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WO2018107552A1 - Dispositif de puissance à cycle combiné multiple - Google Patents

Dispositif de puissance à cycle combiné multiple Download PDF

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Publication number
WO2018107552A1
WO2018107552A1 PCT/CN2017/000722 CN2017000722W WO2018107552A1 WO 2018107552 A1 WO2018107552 A1 WO 2018107552A1 CN 2017000722 W CN2017000722 W CN 2017000722W WO 2018107552 A1 WO2018107552 A1 WO 2018107552A1
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Prior art keywords
expander
compressor
evaporator
passage
condenser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/CN2017/000722
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English (en)
Chinese (zh)
Inventor
李华玉
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Individual
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Individual
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Publication date
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Publication of WO2018107552A1 publication Critical patent/WO2018107552A1/fr
Anticipated expiration legal-status Critical
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
    • F01K3/18—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/02—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of multiple-expansion type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]

Definitions

  • the invention belongs to the field of energy and power technology.
  • the advantage of steam power cycle is the best, but the temperature difference of the heat transfer link when the heat load of the variable temperature heat source is obtained is large; the advantage of gas turbine cycle is unique in the acquisition of high-temperature heat load, but The heat loss of the heat discharge link is large; therefore, the improvement of the heat efficiency of the two types of gas-steam combined cycle is to reduce the temperature difference loss of the steam power cycle.
  • the present invention proposes a multiple combined cycle power plant that retains the advantages of steam power cycle, overcomes the shortage of steam power cycle, and has higher thermal efficiency than the conventional gas-steam combined cycle.
  • the main object of the present invention is to provide a multiple combined cycle power plant, and the specific contents of the invention are as follows:
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander and a second high temperature heat exchanger;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump
  • the expander has a steam passage connected to the mixed evaporator via the intermediate temperature evaporator
  • the mixing evaporator and the steam passage are respectively connected with the compressor and the third expander, the compressor and the steam passage are connected to the expander through the high temperature heat exchanger, and the third expander also has a steam passage communicating with the condenser;
  • the condenser is also After the condensate line is connected to the intermediate temperature evaporator through the second circulation pump, the intermediate temperature evaporator and the steam passage are connected to the second expander, and the second expander also has a steam passage connected
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander and a second high temperature heat exchanger;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump
  • the expander has a steam passage connected to the mixed evaporator via the intermediate temperature evaporator
  • the mixing evaporator and the steam passage are respectively connected with the compressor and the third expander, the compressor and the steam passage are connected to the expander through the high temperature heat exchanger, and the third expander also has a steam passage communicating with the condenser;
  • the condenser is also After the condensate line is connected to the intermediate temperature evaporator through the second circulation pump, the intermediate temperature evaporator and the steam passage are connected to the second expander, and the second expander also has a steam passage connected
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander and a second high temperature heat exchanger;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump
  • the expander has a steam passage connected to the mixed evaporator via the intermediate temperature evaporator
  • the mixing evaporator and the steam passage are respectively connected with the compressor and the third expander, the compressor and the steam passage are connected to the expander through the high temperature heat exchanger, and the third expander also has a steam passage communicating with the condenser;
  • the condenser is also After the condensate line is connected to the intermediate temperature evaporator through the second circulation pump, the intermediate temperature evaporator and the steam passage are connected to the second expander, and the second expander also has a steam passage connected
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander, a second high temperature heat exchanger and a high temperature regenerator;
  • the condenser has a condensate line connected to the mixing evaporator via a circulation pump, and the expander has a steam passage through the intermediate temperature evaporator and The mixed evaporator is connected, the mixed evaporator and the steam passage are respectively connected with the compressor and the third expander, and the compressor and the steam passage are connected to the expander through the high temperature heat exchanger, and the third expander also has a steam passage and a condenser.
  • the condenser and the condensate line are connected to the intermediate temperature evaporator through the second circulation pump, and then the intermediate temperature evaporator and the steam passage are connected to the second expander; the second expander also has a steam passage connected to the condenser;
  • the working medium passage is in communication with the second compressor, and the second compressor and the working medium passage are connected to the fourth expander via the high temperature regenerator and the second high temperature heat exchanger, and the fourth expansion
  • the working medium channel is connected to the outside through a high temperature regenerator and a high temperature heat exchanger, and the second high temperature heat exchanger has a heat source medium passage communicating with the outside, and the high temperature heat exchanger or the heat source medium passage is connected to the outside, the condenser
  • the cooling medium passage is connected to the outside, the expander is connected to the compressor and transmits power, the fourth expander is connected to the second compressor and transmits power, and the expander, the second expander, the third expander and the fourth expander are connected to the outside. And output
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander, a second high temperature heat exchanger and a high temperature regenerator;
  • the condenser has a condensate line connected to the mixing evaporator via a circulation pump, and the expander has a steam passage through the intermediate temperature evaporator and The mixed evaporator is connected, the mixed evaporator and the steam passage are respectively connected with the compressor and the third expander, and the compressor and the steam passage are connected to the expander through the high temperature heat exchanger, and the third expander also has a steam passage and a condenser.
  • the condenser and the condensate line are connected to the intermediate temperature evaporator through the second circulation pump, and then the intermediate temperature evaporator and the steam passage are connected to the second expander;
  • the second expander also has a steam passage connected to the condenser;
  • the working medium passage is in communication with the second compressor, and the second compressor and the working medium passage are connected to the fourth expander via the high temperature regenerator and the second high temperature heat exchanger, and the fourth expansion
  • the working medium channel is connected to the outside through a high temperature regenerator and a high temperature heat exchanger, and the second high temperature heat exchanger has a heat source medium passage communicating with the outside, and the high temperature heat exchanger or the heat source medium passage is connected to the outside, the condenser
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander, a second high temperature heat exchanger and a high temperature regenerator;
  • the condenser has a condensate line connected to the mixing evaporator via a circulation pump, and the expander has a steam passage through the intermediate temperature evaporator and The mixed evaporator is connected, the mixed evaporator and the steam passage are respectively connected with the compressor and the third expander, and the compressor and the steam passage are connected to the expander through the high temperature heat exchanger, and the third expander also has a steam passage and a condenser.
  • the condenser and the condensate line are connected to the intermediate temperature evaporator through the second circulation pump, and then the intermediate temperature evaporator and the steam passage are connected to the second expander; the second expander also has a steam passage connected to the condenser;
  • the working medium passage is in communication with the second compressor, and the second compressor and the working medium passage are connected to the fourth expander via the high temperature regenerator and the second high temperature heat exchanger, and the fourth expansion
  • the working medium channel is connected to the outside through a high temperature regenerator and a high temperature heat exchanger, and the second high temperature heat exchanger has a heat source medium passage communicating with the outside, and the high temperature heat exchanger or the heat source medium passage is connected to the outside, the condenser
  • There is also a cooling medium passage communicating with the outside, the intermediate temperature evaporator and the mixed evaporator also have a heat medium passage respectively communicating with the outside, the expander is connected to the compressor and transmitting power, and the fourth expander is connected to the second compressor and
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander and a combustion chamber;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump
  • the expander has a steam passage connected to the mixed evaporator via the intermediate temperature evaporator
  • the mixed evaporator is further
  • steam passages respectively communicating with the compressor and the third expander the compressor and the steam passage are connected to the expander through the high temperature heat exchanger, and the third expander also has a steam passage communicating with the condenser
  • the condenser also has a condensate pipe After passing through the second circulation pump and the intermediate temperature evaporator, the intermediate temperature evaporator has a steam passage communicating with the second expander, and the second expander further has a steam passage communicating with the conden
  • the second compressor also has an air passage communicating with the combustion chamber, and an external fuel passage is connected to the combustion chamber, and the combustion chamber and the gas passage are connected to the fourth expander, and the fourth expansion
  • the machine also has a gas passage connected to the outside via a high temperature heat exchanger, the condenser and the cooling medium passage are connected to the outside, the expander is connected to the compressor and transmits power, and the fourth expander is connected to the second compressor and transmits power, the expander, The second expander, the third expander, and the fourth expander are connected to the outside and output power to form a multiple combined cycle power unit.
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander and a combustion chamber;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump
  • the expander has a steam passage connected to the mixed evaporator via the intermediate temperature evaporator
  • the mixed evaporator is further
  • steam passages respectively communicating with the compressor and the third expander the compressor and the steam passage are connected to the expander through the high temperature heat exchanger, and the third expander also has a steam passage communicating with the condenser
  • the condenser also has a condensate pipe After passing through the second circulation pump and the intermediate temperature evaporator, the intermediate temperature evaporator has a steam passage communicating with the second expander, and the second expander further has a steam passage communicating with the conden
  • the second compressor also has an air passage communicating with the combustion chamber, and an external fuel passage is connected to the combustion chamber, and the combustion chamber and the gas passage are connected to the fourth expander, and the fourth expansion
  • the gas passage is connected to the outside through a high temperature heat exchanger, and the condenser and the cooling medium passage are connected to the outside.
  • the medium temperature evaporator or the mixed evaporator and the heat medium passage are connected to the outside, and the expander is connected to the compressor and transmits power.
  • the fourth expander is coupled to the second compressor and transmits power, and the expander, the second expander, the third expander, and the fourth expander are connected to the outside and output power to form a multiple combined cycle power unit.
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander and a combustion chamber;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump
  • the expander has a steam passage connected to the mixed evaporator via the intermediate temperature evaporator
  • the mixed evaporator is further
  • steam passages respectively communicating with the compressor and the third expander the compressor and the steam passage are connected to the expander through the high temperature heat exchanger, and the third expander also has a steam passage communicating with the condenser
  • the condenser also has a condensate pipe After passing through the second circulation pump and the intermediate temperature evaporator, the intermediate temperature evaporator has a steam passage communicating with the second expander, and the second expander further has a steam passage communicating with the conden
  • the second compressor also has an air passage communicating with the combustion chamber, and an external fuel passage is connected to the combustion chamber, and the combustion chamber and the gas passage are connected to the fourth expander, and the fourth expansion
  • the gas passage is connected to the outside through a high temperature heat exchanger, and the condenser and the cooling medium passage are connected to the outside.
  • the medium temperature evaporator and the mixed evaporator also have a heat medium passage respectively communicating with the outside, and the expander is connected to the compressor and transmits power.
  • the fourth expander is connected to the second compressor and transmits power, and the expander, the second expander, the third expander and the fourth expander are connected to the outside and output power to form a multiple combined cycle power device.
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander, a combustion chamber and a high temperature regenerator;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump, and the expander has a steam passage connected to the mixed evaporator via the intermediate temperature evaporator
  • the mixed evaporator and the steam passage are respectively connected with the compressor and the third expander, the compressor and the steam passage are connected to the expander via the high temperature heat exchanger, and the third expander further has a steam passage communicating with the condenser;
  • the condenser The condensate line is connected to the intermediate temperature evaporator via the second circulation pump, and the intermediate temperature evaporator is further connected to the second expander by the steam passage, and the second expander has a steam passage
  • the fourth expander is connected, the fourth expander and the gas passage are connected to the outside through the high temperature regenerator and the high temperature heat exchanger, and the condenser and the cooling medium passage are connected to the outside, the expander is connected to the compressor and transmits power, and the fourth The expander is coupled to the second compressor and transmits power, and the expander, the second expander, the third expander, and the fourth expander are connected to the outside and output power to form a multiple combined cycle power unit.
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander, a combustion chamber and a high temperature regenerator;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump, and the expander has a steam passage connected to the mixed evaporator via the intermediate temperature evaporator
  • the mixed evaporator and the steam passage are respectively connected with the compressor and the third expander, the compressor and the steam passage are connected to the expander via the high temperature heat exchanger, and the third expander further has a steam passage communicating with the condenser;
  • the condenser The condensate line is connected to the intermediate temperature evaporator via the second circulation pump, and the intermediate temperature evaporator is further connected to the second expander by the steam passage, and the second expander has a steam passage
  • the fourth expander, the fourth expander and the gas passage are connected to the outside through the high temperature regenerator and the high temperature heat exchanger, the condenser and the cooling medium passage are connected to the outside, and the medium temperature evaporator or the mixed evaporator has heat.
  • the medium passage is connected to the outside, the expander is connected to the compressor and transmits power, the fourth expander is connected to the second compressor and transmits power, and the expander, the second expander, the third expander and the fourth expander are connected to the outside and output power. Forming multiple combined cycle power units.
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander, a combustion chamber and a high temperature regenerator;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump, and the expander has a steam passage connected to the mixed evaporator via the intermediate temperature evaporator
  • the mixed evaporator and the steam passage are respectively connected with the compressor and the third expander, the compressor and the steam passage are connected to the expander via the high temperature heat exchanger, and the third expander further has a steam passage communicating with the condenser;
  • the condenser The condensate line is connected to the intermediate temperature evaporator via the second circulation pump, and the intermediate temperature evaporator is further connected to the second expander by the steam passage, and the second expander has a steam passage
  • the fourth expander is connected, the fourth expander and the gas passage are connected to the outside through the high temperature regenerator and the high temperature heat exchanger, and the condenser and the cooling medium passage are connected to the outside, and the intermediate temperature evaporator and the mixed evaporator respectively have heat.
  • the medium passage is connected to the outside, the expander is connected to the compressor and transmits power, the fourth expander is connected to the second compressor and transmits power, and the expander, the second expander, the third expander and the fourth expander are connected to the outside and output power. Forming multiple combined cycle power units.
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander, a combustion chamber and a third compressor;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump, and the expander has a steam passage connected to the mixed evaporator via the intermediate temperature evaporator
  • the mixed evaporator and the steam passage are respectively connected with the compressor and the third expander, the compressor and the steam passage are connected to the expander via the high temperature heat exchanger, and the third expander further has a steam passage communicating with the condenser;
  • the condenser The condensate line is connected to the intermediate temperature evaporator via the second circulation pump, and the intermediate temperature evaporator is further connected to the second expander by the steam passage, and the second expander has a steam passage connected to
  • the passage is connected with the fourth expander, the fourth expander and the gas passage are connected to the outside through the high temperature heat exchanger, the condenser and the cooling medium passage are connected to the outside, the expander is connected to the compressor and transmits power, and the fourth expander is connected.
  • the second compressor and the third compressor transmit power, and the expander, the second expander, the third expander, and the fourth expander are connected to the outside and output power to form a multiple combined cycle power unit.
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander, a combustion chamber and a third compressor;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump, and the expander has a steam passage connected to the mixed evaporator via the intermediate temperature evaporator
  • the mixed evaporator and the steam passage are respectively connected with the compressor and the third expander, the compressor and the steam passage are connected to the expander via the high temperature heat exchanger, and the third expander further has a steam passage communicating with the condenser;
  • the condenser The condensate line is connected to the intermediate temperature evaporator via the second circulation pump, and the intermediate temperature evaporator is further connected to the second expander by the steam passage, and the second expander has a steam passage connected to
  • the passage is connected with the fourth expander, the fourth expander and the gas passage are connected to the outside through the high temperature heat exchanger, the condenser and the cooling medium passage are connected to the outside, the medium temperature evaporator or the mixed evaporator and the heat medium passage and the outside Connected, the expander connects the compressor and transmits power, the fourth expander connects the second compressor and the third compressor and transmits power, and the expander, the second expander, the third expander and the fourth expander are connected to the outside and output Power, forming multiple combined cycle power units.
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander, a combustion chamber and a third compressor;
  • the condenser has a condensate line connected to the mixed evaporator via a circulation pump, and the expander has a steam passage connected to the mixed evaporator via the intermediate temperature evaporator
  • the mixed evaporator and the steam passage are respectively connected with the compressor and the third expander, the compressor and the steam passage are connected to the expander via the high temperature heat exchanger, and the third expander further has a steam passage communicating with the condenser;
  • the condenser The condensate line is connected to the intermediate temperature evaporator via the second circulation pump, and the intermediate temperature evaporator is further connected to the second expander by the steam passage, and the second expander has a steam passage connected to
  • the channel is connected with the fourth expander, the fourth expander and the gas passage are connected to the outside through the high temperature heat exchanger, the condenser and the cooling medium passage are connected to the outside, and the medium temperature evaporator and the mixed evaporator respectively have the heat medium passage and the Externally connected, the expander is connected to the compressor and transmits power, the fourth expander connects the second compressor and the third compressor and transmits power, and the expander, the second expander, the third expander and the fourth expander are connected to the outside and The power is output to form a multiple combined cycle power unit.
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander, a combustion chamber, a third compressor and a high temperature regenerator;
  • the condenser has a condensate line connected to the mixing evaporator via a circulation pump
  • the expander has a steam passage through the intermediate temperature evaporator
  • the mixing evaporator and the steam passage are respectively connected with the compressor and the third expander
  • the compressor and the steam passage are connected to the expander via the high temperature heat exchanger
  • the third expander also has a steam passage and condensation
  • the condenser and the condensate line are connected to the intermediate temperature evaporator through the second circulation pump, and then the intermediate temperature evaporator has a steam passage communicating with the second expander, and the second expander also has a steam passage connected to
  • the expander connects the compressor and transmits power
  • the fourth expander connects the second compressor and the third compressor and transmits power
  • the expander, the second expander, the third expander and the fourth expander are connected to the outside And output power to form multiple combined cycle power units.
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander, a combustion chamber, a third compressor and a high temperature regenerator;
  • the condenser has a condensate line connected to the mixing evaporator via a circulation pump
  • the expander has a steam passage through the intermediate temperature evaporator
  • the mixing evaporator and the steam passage are respectively connected with the compressor and the third expander
  • the compressor and the steam passage are connected to the expander via the high temperature heat exchanger
  • the third expander also has a steam passage and condensation
  • the condenser and the condensate line are connected to the intermediate temperature evaporator through the second circulation pump, and then the intermediate temperature evaporator has a steam passage communicating with the second expander, and the second expander also has a steam passage connected to
  • Multiple combined cycle power plant mainly consisting of compressor, expander, second expander, third expander, circulation pump, second circulation pump, high temperature heat exchanger, condenser, mixed evaporator, medium temperature evaporator, a second compressor, a fourth expander, a combustion chamber, a third compressor and a high temperature regenerator;
  • the condenser has a condensate line connected to the mixing evaporator via a circulation pump
  • the expander has a steam passage through the intermediate temperature evaporator
  • the mixing evaporator and the steam passage are respectively connected with the compressor and the third expander
  • the compressor and the steam passage are connected to the expander via the high temperature heat exchanger
  • the third expander also has a steam passage and condensation
  • the condenser and the condensate line are connected to the intermediate temperature evaporator through the second circulation pump, and then the intermediate temperature evaporator has a steam passage communicating with the second expander, and the second expander also has a steam passage connected to
  • the intermediate temperature evaporator and the mixed evaporator also have a heat medium passage respectively communicating with the outside, the expander is connected to the compressor and transmits power, and the fourth expander is connected to the second compressor and the third compressor and transmits power, the expander The second expander, the third expander and the fourth expander are connected to the outside and output power to form a multiple combined cycle power unit.
  • a multiple combined cycle power plant wherein in any of the multiple combined cycle power plants of items 1-18, a low temperature regenerator is added, and the compressor has a steam passage connected to the expander via a high temperature heat exchanger to adjust The compressor has a steam passage connected to the expander through the low temperature regenerator and the high temperature heat exchanger, and the steam passage of the expander is connected to the mixed evaporator through the intermediate temperature evaporator to adjust the steamer through the low temperature regenerator and medium temperature evaporation.
  • the unit is in communication with the mixing evaporator to form a multiple combined cycle power unit.
  • the compressor has a steam passage through high temperature heat exchange
  • the device is connected to the expander to adjust the compressor to have a steam passage through the high temperature heat exchanger and the new compressor.
  • the new compressor and the steam passage are connected to the expander via the newly added high temperature heat exchanger, and the fourth expander has The working medium passage is connected to the outside through the high temperature heat exchanger to adjust to the fourth expander.
  • the working medium passage is connected to the outside through the newly added high temperature heat exchanger and the high temperature heat exchanger, and the new high temperature heat exchanger or the heat source medium passage is added.
  • the expander connects new compressors and transmits power to form multiple combined cycle power units.
  • the compressor has a steam passage through high temperature heat exchange
  • the device is connected to the expander to adjust the compressor to have a steam passage through the high temperature heat exchanger and the new compressor.
  • the new compressor and the steam passage are connected to the expander via the newly added high temperature heat exchanger, and the fourth expander has The working medium channel is connected to the outside through the high temperature regenerator and the high temperature heat exchanger to adjust the fourth expansion machine to have a working medium passage through the high temperature regenerator, the newly added high temperature heat exchanger and the high temperature heat exchanger to communicate with the outside, and the new high temperature is added.
  • the heat exchanger or also the heat source medium passage communicates with the outside, and the expander connects the new compressor and transmits power to form a multiple combined cycle power unit.
  • the compressor has a steam passage
  • the high-temperature heat exchanger is connected to the expander to adjust the compressor to have a steam passage connected to the newly-added compressor through the high-temperature heat exchanger, and the new compressor and the steam passage are connected to the expander through the newly added high-temperature heat exchanger.
  • the four expanders have gas passages connected to the outside through high-temperature heat exchangers to adjust to the fourth expander.
  • the gas passages are connected to the outside through new high-temperature heat exchangers and high-temperature heat exchangers.
  • the expander is connected with new compressors and transmits power.
  • a multiple combined cycle power plant is formed.
  • the compressor has a steam passage
  • the high-temperature heat exchanger is connected to the expander to adjust the compressor to have a steam passage connected to the newly-added compressor through the high-temperature heat exchanger, and the new compressor and the steam passage are connected to the expander through the newly added high-temperature heat exchanger.
  • the four expanders have gas passages connected to the outside through high-temperature regenerators and high-temperature heat exchangers.
  • the fourth expander has a gas passage through a high-temperature regenerator, a new high-temperature heat exchanger and a high-temperature heat exchanger to communicate with the outside.
  • the machine is connected to a new compressor and transmits power to form a multiple combined cycle power unit.
  • the compressor has a steam passage through high temperature heat exchange
  • the device is connected to the expander to adjust the compressor to have a steam passage through the high temperature heat exchanger and the new expander.
  • the new expander and the steam passage are connected to the expander through the newly added high temperature heat exchanger, and the fourth expander has The working medium passage is connected to the outside through the high temperature heat exchanger to adjust to the fourth expander.
  • the working medium passage is connected to the outside through the newly added high temperature heat exchanger and the high temperature heat exchanger, and the new high temperature heat exchanger or the heat source medium passage is added.
  • a new expander is connected to the compressor and transmits power to form a multiple combined cycle power unit.
  • the compressor has a steam passage through high temperature heat exchange
  • the device is connected to the expander to adjust the compressor to have a steam passage through the high temperature heat exchanger and the new expander.
  • the new expander and the steam passage are connected to the expander through the newly added high temperature heat exchanger, and the fourth expander has The working medium channel is connected to the outside through the high temperature regenerator and the high temperature heat exchanger to adjust the fourth expansion machine to have a working medium passage through the high temperature regenerator, the newly added high temperature heat exchanger and the high temperature heat exchanger to communicate with the outside, and the new high temperature is added.
  • the heat exchanger or the heat source medium passage communicates with the outside, and the new expander connects the compressor and transmits power to form a multiple combined cycle power unit.
  • the compressor has a steam passage
  • the high-temperature heat exchanger is connected to the expander to adjust the compressor to have a steam passage through the high-temperature heat exchanger and the new expander, and the new expander and the steam passage are connected to the expander through the newly added high-temperature heat exchanger.
  • the four expanders have gas passages connected to the outside through high-temperature heat exchangers to adjust to the fourth expander.
  • the gas passages are connected to the outside through new high-temperature heat exchangers and high-temperature heat exchangers.
  • the new expander is connected to the compressor and transmits power.
  • a multiple combined cycle power plant is formed.
  • the compressor has a steam passage
  • the high-temperature heat exchanger is connected to the expander to adjust the compressor to have a steam passage through the high-temperature heat exchanger and the new expander, and the new expander and the steam passage are connected to the expander through the newly added high-temperature heat exchanger.
  • the four expanders have gas passages connected to the outside through high-temperature regenerators and high-temperature heat exchangers.
  • the fourth expander has gas passages through high-temperature regenerators, new high-temperature heat exchangers and high-temperature heat exchangers to communicate with the outside.
  • the expander connects the compressor and transmits power to form a multiple combined cycle power unit.
  • a multiple combined cycle power plant wherein in any of the multiple combined cycle power plants of items 1-29, a third circulation pump, a fourth circulation pump, a regenerator and a second regenerator are added to condense
  • the condensate line is connected to the mixing evaporator through the circulation pump to adjust the condenser to have a condensate line connected to the regenerator through the circulation pump, and the condensate line of the condenser is connected to the intermediate temperature evaporator via the second circulation pump.
  • the intermediate temperature evaporator further has a steam passage connected to the second expander to adjust the condenser to have a condensate line connected to the second regenerator via the second circulation pump, and the third expander is provided with an extraction passage connected with the regenerator.
  • the second expander is provided with an extraction passage communicating with the second regenerator, the regenerator and the condensate line are connected to the mixed evaporator via the third circulation pump, and the second regenerator and the condensate line are passed through the fourth
  • the intermediate temperature evaporator is further connected to the second expander by the steam passage to form a multiple combined cycle power unit.
  • a multiple combined cycle power plant wherein in any of the multiple combined cycle power plants of items 1-29, the preheater and the second preheater are added, and the condenser has a condensate line through the circulation pump and
  • the mixed evaporator is connected to adjust the condenser to have a condensate line connected to the mixed evaporator through the circulation pump and the preheater, and the condenser has a condensate line connected to the intermediate temperature evaporator through the second circulation pump, and then the intermediate temperature evaporator is further
  • the steam passage is connected to the second expander to be adjusted so that the condenser has a condensate line connected to the intermediate temperature evaporator through the second circulation pump and the second preheater, and then the intermediate temperature evaporator and the steam passage are connected to the second expander to preheat
  • the second preheater and the second preheater respectively have a heat medium passage communicating with the outside to form a multiple combined cycle power unit.
  • a multiple combined cycle power plant in any of the multiple combined cycle power plants of item 31, wherein the condenser has a condensate line connected to the mixing evaporator via a circulation pump and a preheater and the condenser is condensed
  • the liquid pipeline is connected to the intermediate temperature evaporator via the second circulation pump and the second preheater, and is adjusted to be equalized as the condenser has a condensate pipeline divided into two passages through the circulation pump and the preheater - the first passage is directly mixed with
  • the evaporator is connected, and the second passage is connected to the intermediate temperature evaporator via the second circulation pump and the second preheater to form a multiple combined cycle power device.
  • a multiple combined cycle power plant wherein in any of the multiple combined cycle power plants of item 1-32, an intermediate reheater is added, the intermediate temperature evaporator having a steam passage in communication with the second expander and a second expansion
  • the machine has a steam passage connected to the condenser to adjust to a medium temperature evaporator having a steam passage communicating with the second expander, the second expander and the intermediate reheat steam passage communicating with the second expander via the intermediate reheater and the second expander
  • a multiple combined cycle power plant wherein in any of the multiple combined cycle power plants of items 1-29, a second condenser is added, and the second expander has a steam passage connected to the condenser to be adjusted to a second expansion.
  • the machine has a steam passage communicating with the second condenser, and the condensate line of the condenser is connected to the intermediate temperature evaporator through the second circulation pump to be adjusted to be the second condenser.
  • the condensate line is connected to the intermediate temperature evaporator via the second circulation pump.
  • the second condenser also has a cooling medium passage communicating with the outside to form a multiple combined cycle power unit.
  • the medium temperature evaporator is connected with the mixed evaporator to adjust the steam passage of the expander to be connected with the mixed evaporator through the newly added medium temperature evaporator and the medium temperature evaporator, and the new medium temperature evaporator or the heat medium passage is connected to the outside, and the fifth expander Connect the outside and output power to form multiple combined cycle power units.
  • a multiple combined cycle power plant in which a fifth expander, a new medium temperature evaporator, a new circulation pump, and an additional preheater are added to any of the multiple combined cycle power plants described in items 1-34.
  • the condensate line is added to the condenser. After the new circulation pump and the new preheater are connected with the new medium temperature evaporator, the medium temperature evaporator is added and the steam passage is connected with the fifth expander.
  • the fifth expander also has a steam passage.
  • the condenser is connected to the condenser, and the steam passage of the expander is connected to the mixing evaporator through the intermediate temperature evaporator to adjust the steam passage to the expander.
  • the steam channel is connected with the mixed evaporator through the newly added medium temperature evaporator and the medium temperature evaporator, and the preheater is added.
  • the heat medium passage is connected to the outside, and a new medium temperature evaporator or a heat medium passage is connected to the outside, and the fifth expander is connected to the outside and outputs power to form a multiple combined cycle power device.
  • 1/17 is a first principle thermal system diagram of a multiple combined cycle power plant in accordance with the present invention.
  • 2/17 is a second principle thermal system diagram of a multiple combined cycle power plant in accordance with the present invention.
  • 3/17 is a diagram of a third principle thermal system of a multiple combined cycle power plant in accordance with the present invention.
  • 4/17 is a fourth principle thermal system diagram of a multiple combined cycle power plant in accordance with the present invention.
  • Figure 5/17 is a fifth principle thermal system diagram of a multiple combined cycle power plant in accordance with the present invention.
  • Figure 6/17 is a sixth principle thermal system diagram of a multiple combined cycle power plant in accordance with the present invention.
  • 7/17 is a diagram of a seventh principle thermal system of a multiple combined cycle power plant in accordance with the present invention.
  • Figure 8/17 is a diagram of an eighth principle thermal system of a multiple combined cycle power plant in accordance with the present invention.
  • Figure 9/17 is a diagram of a ninth principle thermal system of a multiple combined cycle power plant in accordance with the present invention.
  • Figure 10/17 is a diagram of a tenth principle thermodynamic system of a multiple combined cycle power plant in accordance with the present invention.
  • Figure 11/17 is a diagram of an eleventh principle thermal system of a multiple combined cycle power plant in accordance with the present invention.
  • Figure 12/17 is a diagram of a 12th principle thermal system of a multiple combined cycle power plant in accordance with the present invention.
  • Figure 13/17 is a diagram of a thirteenth principle thermal system of a multiple combined cycle power plant in accordance with the present invention.
  • 14/17 is a diagram of a fourteenth principle thermodynamic system of a multiple combined cycle power plant in accordance with the present invention.
  • 15/17 is a diagram of a fifteenth principle thermal system of a multiple combined cycle power plant in accordance with the present invention.
  • Figure 16/17 is a diagram of a sixteenth principle thermal system of a multiple combined cycle power plant in accordance with the present invention.
  • Figure 17/17 is a diagram of a seventeenth principle thermal system of a multiple combined cycle power plant in accordance with the present invention.
  • (1) Structurally it mainly consists of a compressor, an expander, a second expander, a third expander, a circulation pump, a second circulation pump, a high temperature heat exchanger, a condenser, a mixed evaporator, a medium temperature evaporator, and a a second compressor, a fourth expander and a second high temperature heat exchanger;
  • the condenser 8 has a condensate line connected to the mixing evaporator 9 via a circulation pump 5
  • the expander 2 has a steam passage through the intermediate temperature evaporator 10 and mixing
  • the evaporator 9 is connected, the mixing evaporator 9 and the steam passage are respectively connected with the compressor 1 and the third expander 4, and the compressor 1 and the steam passage are connected to the expander 2 via the high temperature heat exchanger 7, and the third expander 4
  • the condenser 8 and the condensate line are connected to the intermediate temperature e
  • the fourth expander 12 also has a working medium
  • the passage communicates with the outside via the high temperature heat exchanger 7,
  • the second high temperature heat exchanger 13 also has a heat source medium passage communicating with the outside
  • the condenser 8 and the cooling medium passage communicate with the outside
  • the expander 2 is connected to the compressor 1 and transmits power.
  • the fourth expander 12 is connected to the second compressor 11 and transmits power, and the expander 2, the second expander 3, the third expander 4, and the fourth expander 12 are connected to the outside and output power.
  • the steam discharged from the compressor 1 flows through the high-temperature heat exchanger 7 and absorbs heat, flows through the expander 2 to reduce pressure, flows through the intermediate-temperature evaporator 10, and releases heat to cool, and then enters the mixed evaporator 7 Mixing with the condensate from the condenser 8 and releasing the heat to cool down;
  • the condensate of the condenser 8 is divided into two paths - the first passage is pressurized by the circulation pump 5 into the mixing evaporator 7 to absorb heat and vaporize, and the second passage is passed through the second
  • the circulating pump 6 is pressurized into the intermediate temperature evaporator 10 to absorb heat and vaporize;
  • the steam released by the mixing evaporator 7 enters the compressor 1 to increase the temperature and enters the third expander 4 to reduce the work, and the steam discharged from the third expander 4
  • the condenser 8 is heated and condensed; the steam released by the intermediate temperature evaporator 10 flows through the second expander 3 to
  • (1) Structurally it mainly consists of a compressor, an expander, a second expander, a third expander, a circulation pump, a second circulation pump, a high temperature heat exchanger, a condenser, a mixed evaporator, a medium temperature evaporator, and a a second compressor, a fourth expander, a second high temperature heat exchanger and a high temperature regenerator;
  • the condenser 8 has a condensate line connected to the mixing evaporator 9 via a circulation pump 5
  • the expander 2 has a steam passage through the intermediate temperature
  • the evaporator 10 is in communication with the mixing evaporator 9, and the mixing evaporator 9 and the steam passage are respectively connected to the compressor 1 and the third expander 4, and the compressor 1 and the steam passage are connected to the expander 2 via the high temperature heat exchanger 7.
  • the third expander 4 also has a steam passage communicating with the condenser 8; the condenser 8 and the condensate line are connected to the intermediate temperature evaporator 10 via the second circulation pump 6, and the intermediate temperature evaporator 10 has a steam passage and a second expander.
  • the second expander 3 also has a steam passage communicating with the condenser 8; the external working medium passage is in communication with the second compressor 11, and the second compressor 11 has a working medium passage through the high temperature regenerator 14 and the second
  • the high temperature heat exchanger 13 is connected to the fourth expander 12
  • the fourth expander 12 and the working medium passage are connected to the outside via the high temperature regenerator 14 and the high temperature heat exchanger 7, and the second high temperature heat exchanger 13 and the high temperature heat exchanger 7 respectively have a heat source medium passage communicating with the outside.
  • the condenser 8 also has a cooling medium passage communicating with the outside, the expander 2 is connected to the compressor 1 and transmits power, the fourth expander 12 is connected to the second compressor 11 and transmits power, the expander 2, the second expander 3, and the third The expander 4 and the fourth expander 12 are connected to the outside and output power.
  • the steam discharged from the compressor 1 flows through the high-temperature heat exchanger 7 and absorbs heat, flows through the expander 2 to reduce pressure, flows through the intermediate-temperature evaporator 10, and releases heat to cool, and then enters the mixed evaporator 7 Mixing with the condensate from the condenser 8 and releasing the heat to cool down;
  • the condensate of the condenser 8 is divided into two paths - the first passage is pressurized by the circulation pump 5 into the mixing evaporator 7 to absorb heat and vaporize, and the second passage is passed through the second
  • the circulating pump 6 is pressurized into the intermediate temperature evaporator 10 to absorb heat and vaporize;
  • the steam released by the mixing evaporator 7 enters the compressor 1 to increase the temperature and enters the third expander 4 to reduce the work, and the steam discharged from the third expander 4
  • the condenser 8 is heated and condensed; the steam released by the intermediate temperature evaporator 10 flows through the second expander 3 to
  • (1) Structurally it mainly consists of a compressor, an expander, a second expander, a third expander, a circulation pump, a second circulation pump, a high temperature heat exchanger, a condenser, a mixed evaporator, a medium temperature evaporator, and a
  • the second compressor, the fourth expander and the combustion chamber are composed;
  • the condenser 8 has a condensate line connected to the mixed evaporator 9 via the circulation pump 5, and the expander 2 has a steam passage connected to the mixed evaporator 9 via the intermediate temperature evaporator 10
  • the mixing evaporator 9 and the steam passage are respectively connected to the compressor 1 and the third expander 4, and the compressor 1 and the steam passage are connected to the expander 2 via the high temperature heat exchanger 7, and the third expander 4 also has a steam passage.
  • the condenser 8 is connected to the condenser 8; the condenser 8 and the condensate line are connected to the intermediate temperature evaporator 10 via the second circulation pump 6, and the intermediate temperature evaporator 10 has a steam passage communicating with the second expander 3, and the second expander 3 is further connected.
  • the fourth expander 12 and the gas passage are connected to the outside through the high temperature heat exchanger 7, and the condenser 8 has a cooling medium passage communicating with the outside.
  • the expander 2 is connected to the compressor 1 and transmits power, and the fourth expander 12 is connected.
  • the second compressor 11 transmits power, and the expander 2, the second expander 3, the third expander 4, and the fourth expander 12 are connected to the
  • the steam discharged from the compressor 1 flows through the high-temperature heat exchanger 7 and absorbs heat, flows through the expander 2 to reduce pressure, flows through the intermediate-temperature evaporator 10, and releases heat to cool, and then enters the mixed evaporator 7 Mixing with the condensate from the condenser 8 and releasing the heat to cool down;
  • the condensate of the condenser 8 is divided into two paths - the first passage is pressurized by the circulation pump 5 into the mixing evaporator 7 to absorb heat and vaporize, and the second passage is passed through the second
  • the circulating pump 6 is pressurized into the intermediate temperature evaporator 10 to absorb heat and vaporize;
  • the steam released by the mixing evaporator 7 enters the compressor 1 to increase the temperature and enters the third expander 4 to reduce the work, and the steam discharged from the third expander 4
  • the condenser 8 is heated and condensed; the steam released from the intermediate temperature evaporator 10 flows through the second expander 3 to
  • the external fuel After entering the combustion chamber 15, the external fuel enters the combustion chamber 15 to mix with the air and burns into high-temperature gas; the gas flows through the fourth expander 12 to reduce the work, flows through the high-temperature heat exchanger 7 and releases heat, and then discharges to the outside; Provides driving heat load through combustion, cooling medium pass
  • the condenser 8 takes away the low temperature heat load, a part of the work output from the expander 2 is supplied to the compressor 1 for power, and a part of the work outputted by the fourth expander 12 is supplied to the second compressor 11 for powering, the expander 2, and the second expansion.
  • the machine 3, the third expander 4, and the fourth expander 12 collectively provide power to form a multiple combined cycle power unit.
  • (1) Structurally it mainly consists of a compressor, an expander, a second expander, a third expander, a circulation pump, a second circulation pump, a high temperature heat exchanger, a condenser, a mixed evaporator, a medium temperature evaporator, and a a second compressor, a fourth expander, a combustion chamber and a high temperature regenerator;
  • the condenser 8 has a condensate line connected to the mixing evaporator 9 via a circulation pump 5
  • the expander 2 has a steam passage through the intermediate temperature evaporator 10 and
  • the mixing evaporator 9 is in communication, and the mixing evaporator 9 and the steam passage are respectively connected to the compressor 1 and the third expander 4, and the compressor 1 and the steam passage are connected to the expander 2 via the high temperature heat exchanger 7, and the third expander 4, the steam passage is connected to the condenser 8;
  • the condenser 8 and the condensate line are connected to the intermediate temperature
  • the second expander 3 also has a steam passage communicating with the condenser 8; the external air passage is in communication with the second compressor 11, and the second compressor 11 and the air passage are connected to the combustion chamber 15 via the high temperature regenerator 14 and externally.
  • the fuel passage is in communication with the combustion chamber 15 and the combustion chamber 15
  • the gas passage is connected to the fourth expander 12, and the fourth expander 12 and the gas passage are connected to the outside through the high temperature regenerator 14 and the high temperature heat exchanger 7, and the condenser 8 has a cooling medium passage communicating with the outside, and the medium temperature is evaporated.
  • the mixer 10 and the mixing evaporator 9 also have a heat medium passage respectively communicating with the outside, the expander 2 is connected to the compressor 1 and transmits power, and the fourth expander 12 is connected to the second compressor 11 and transmits power, the expander 2, and the second expansion
  • the machine 3, the third expander 4, and the fourth expander 12 are connected to the outside and output power.
  • the steam discharged from the compressor 1 flows through the high-temperature heat exchanger 7 and absorbs heat, flows through the expander 2 to reduce pressure, flows through the intermediate-temperature evaporator 10, and releases heat to cool, and then enters the mixed evaporator 7 Mixing with the condensate from the condenser 8 and releasing the heat to cool down;
  • the condensate of the condenser 8 is divided into two paths - the first passage is pressurized by the circulation pump 5 into the mixing evaporator 7 to absorb heat and vaporize, and the second passage is passed through the second
  • the circulating pump 6 is pressurized into the intermediate temperature evaporator 10 to absorb heat and vaporize;
  • the steam released by the mixing evaporator 7 enters the compressor 1 to increase the temperature and enters the third expander 4 to reduce the work, and the steam discharged from the third expander 4
  • the condenser 8 is heated and condensed; the steam released from the intermediate temperature evaporator 10 flows through the second expander 3 to
  • the external fuel enters the combustion chamber 15 and mixes with the air and burns into a high-temperature gas, and the gas flows through the fourth expander 12 to reduce the work, and flows through the high temperature back.
  • the heat exchanger 14 and the high temperature heat exchanger 7 are gradually radiated, and then discharged to the outside
  • the fuel provides a driving thermal load by combustion, the heat medium - the gas flowing through the high temperature heat exchanger 5 or other heat source providing a heat load - provides a driving heat load through the mixing evaporator 9 and through the intermediate temperature evaporator 10, the cooling medium
  • the low temperature heat load is taken away by the condenser 8, a part of the work output from the expander 2 is supplied to the compressor 1 for power, and a part of the work outputted by the fourth expander 12 is supplied to the second compressor 11 for powering, the expander 2, and the second
  • the expander 3, the third expander 4, and the fourth expander 12 collectively provide external power to form a multiple combined cycle power unit.
  • (1) Structurally it mainly consists of a compressor, an expander, a second expander, a third expander, a circulation pump, a second circulation pump, a high temperature heat exchanger, a condenser, a mixed evaporator, a medium temperature evaporator, and a a second compressor, a fourth expander, a combustion chamber and a third compressor;
  • the condenser 8 has a condensate line connected to the mixing evaporator 9 via a circulation pump 5
  • the expander 2 has a steam passage through the intermediate temperature evaporator 10 and
  • the mixing evaporator 9 is in communication, and the mixing evaporator 9 and the steam passage are respectively connected to the compressor 1 and the third expander 4, and the compressor 1 and the steam passage are connected to the expander 2 via the high temperature heat exchanger 7, and the third expander 4, the steam passage is connected to the condenser 8;
  • the condenser 8 and the condensate line are connected to the intermediate temperature evapor
  • the second expander 3 also has a steam passage communicating with the condenser 8; the external air passage is in communication with the second compressor 11, the second compressor 11 has an air passage communicating with the combustion chamber 15, and the external gaseous fuel passage is passed through a third
  • the compressor 16 is in communication with the combustion chamber 15 and ignites
  • the chamber 15 also has a gas passage communicating with the fourth expander 12, the fourth expander 12 and the gas passage are connected to the outside via the high temperature heat exchanger 7, the condenser 8 and the cooling medium passage are connected to the outside, and the expander 2 is connected and compressed.
  • the machine 1 transmits power
  • the fourth expander 12 connects the second compressor 11 and the third compressor 16 and transmits power
  • the expander 2, the second expander 3, the third expander 4, and the fourth expander 12 are connected to the outside. And output power.
  • the steam discharged from the compressor 1 flows through the high-temperature heat exchanger 7 and absorbs heat, flows through the expander 2 to reduce pressure, flows through the intermediate-temperature evaporator 10, and releases heat to cool, and then enters the mixed evaporator 7 Mixing with the condensate from the condenser 8 and releasing the heat to cool down;
  • the condensate of the condenser 8 is divided into two paths - the first passage is pressurized by the circulation pump 5 into the mixing evaporator 7 to absorb heat and vaporize, and the second passage is passed through the second
  • the circulating pump 6 is pressurized into the intermediate temperature evaporator 10 to absorb heat and vaporize;
  • the steam released by the mixing evaporator 7 enters the compressor 1 to increase the temperature and enters the third expander 4 to reduce the work, and the steam discharged from the third expander 4
  • the condenser 8 is heated and condensed; the steam released from the intermediate temperature evaporator 10 flows through the second expander 3 to
  • the external gaseous fuel flows through the third compressor 16 and then enters the combustion chamber 15, mixes with the air and burns into a high-temperature gas, and the gas flows through the fourth expander 12 to reduce the work, and flows through the high-temperature heat.
  • the exchanger 7 releases heat and then discharges to the outside; the fuel passes through the fuel Providing a driving heat load, the cooling medium carries away the low temperature heat load through the condenser 8, a part of the work output from the expander 2 is supplied to the compressor 1 for power, and a part of the work outputted by the fourth expander 12 is supplied to the second compressor 11 and the The three compressors 16 are powered, and the expander 2, the second expander 3, the third expander 4, and the fourth expander 12 collectively provide power to form a multiple combined cycle power unit.
  • (1) Structurally it mainly consists of a compressor, an expander, a second expander, a third expander, a circulation pump, a second circulation pump, a high temperature heat exchanger, a condenser, a mixed evaporator, a medium temperature evaporator, and a a second compressor, a fourth expander, a combustion chamber, a third compressor and a high temperature regenerator;
  • the condenser 8 has a condensate line connected to the mixing evaporator 9 via a circulation pump 5
  • the expander 2 has a steam passage
  • the intermediate temperature evaporator 10 is in communication with the mixing evaporator 9, and the mixing evaporator 9 and the steam passage are respectively connected to the compressor 1 and the third expander 4, and the compressor 1 and the steam passage are connected to the expander 2 via the high temperature heat exchanger 7.
  • the third expander 4 also has a steam passage communicating with the condenser 8; the condenser 8 and the condensate line are connected to the intermediate temperature evaporator 10 via the second circulation pump 6, and the intermediate temperature evaporator 10 has a steam passage and a second expansion.
  • the machine 3 is connected, the second expander 3 has a steam passage communicating with the condenser 8; the external air passage is in communication with the second compressor 11, and the second compressor 11 has an air passage through the high temperature regenerator 14 and the combustion chamber 15 Connected, externally, there is a gaseous fuel passage through the third
  • the compressor 16 and the high temperature regenerator 14 are in communication with the combustion chamber 15, the combustion chamber 15 and the gas passage are in communication with the fourth expander 12, and the fourth expander 12 also has a gas passage through the high temperature regenerator 14 and the high temperature heat exchanger.
  • the condenser 8 has a cooling medium passage communicating with the outside
  • the expander 2 is connected to the compressor 1 and transmits power
  • the fourth expander 12 is connected to the second compressor 11 and the third compressor 16 to transmit power and expand.
  • the machine 2, the second expander 3, the third expander 4, and the fourth expander 12 are connected to the outside and output power.
  • the steam discharged from the compressor 1 flows through the high-temperature heat exchanger 7 and absorbs heat, flows through the expander 2 to reduce pressure, flows through the intermediate-temperature evaporator 10, and releases heat to cool, and then enters the mixed evaporator 7 Mixing with the condensate from the condenser 8 and releasing the heat to cool down;
  • the condensate of the condenser 8 is divided into two paths - the first passage is pressurized by the circulation pump 5 into the mixing evaporator 7 to absorb heat and vaporize, and the second passage is passed through the second
  • the circulating pump 6 is pressurized into the intermediate temperature evaporator 10 to absorb heat and vaporize;
  • the steam released by the mixing evaporator 7 enters the compressor 1 to increase the temperature and enters the third expander 4 to reduce the work, and the steam discharged from the third expander 4
  • the condenser 8 is heated and condensed; the steam released from the intermediate temperature evaporator 10 flows through the second expander 3 to
  • the external gaseous fuel is pressurized by the third compressor 16, flowing through the high temperature regenerator 14 and absorbing heat, and then entering the combustion chamber 15; gaseous fuel Mixed with air and burned into high temperature gas, gas discharged from combustion chamber 15 Flowing through the fourth expander 12 to reduce pressure, flowing through the high temperature regenerator 14 and the high temperature heat exchanger 7 and gradually releasing heat, and then discharging externally; the fuel provides driving heat load through combustion, and the cooling medium is taken away by the condenser 8 At a low temperature heat load, a part of the work output from the expander 2 is supplied to the compressor 1 for power, and a part of the work output from the fourth expander 12 is supplied to the second compressor 11 and the third compressor 16 for powering, the expander 2, and the second The expander 3, the third expander 4, and the fourth expander 12 collectively provide external power to form a multiple combined cycle power unit.
  • the intermediate temperature evaporator 10 is further connected with the second expander 3 by the steam passage, and the condenser 8 has a condensate line connected to the second regenerator 21 via the second circulation pump 6, and the third expander 4 is pumped.
  • the steam passage is in communication with the regenerator 20, and the second expander 3 is provided with an extraction passage communicating with the second regenerator 21, and the regenerator 8 and the condensate line are connected to the mixing evaporator 9 via the third circulation pump 18.
  • the second regenerator 21 and the condensate line are communicated with the intermediate temperature evaporator 10 via the fourth circulation pump 19, and the intermediate temperature evaporator 10 is further connected to the second expander 3 by a steam passage.
  • the first way continues to depressurize work and enters the condenser 8
  • the second way enters the regenerator 20 through the extraction passage and mixes with the condensate to exotherm and condense;
  • the condensate of the regenerator 20 passes through the third circulation pump After the boosting, the pressure enters the mixed evaporator 9, and the condensate of the second regenerator 21 is pressurized by the fourth circulating pump 19 and then enters the intermediate temperature evaporator 10 to form a multiple combined cycle power unit.
  • the condenser 8 has a condensate line connected to the mixing evaporator 9 via the circulation pump 5.
  • the condenser 8 is adjusted to have a condensate line connected to the mixing evaporator 9 via the circulation pump 5 and the preheater 22, and the condensate line of the condenser 8 is communicated with the intermediate temperature evaporator 10 through the second circulation pump 6 and then evaporated at a medium temperature.
  • the steamer 10 is further connected to the second expander 3 to adjust the condenser 8 to have a condensate line.
  • the second circulating pump 6 and the second preheater 23 are in communication with the intermediate temperature evaporator 10, and the intermediate temperature evaporator 10 has steam.
  • the passage communicates with the second expander 3, and the preheater 22 and the second preheater 23 also have heat medium passages communicating with the outside, respectively.
  • the condensate line of the condenser 8 is connected to the mixed evaporator 9 via the circulation pump 5 and the preheater 22, and the condenser 8 has a condensate line.
  • the two circulating pumps 6 and the second preheater 23 are in communication with the intermediate temperature evaporator 10, and are adjusted together to have the condenser 8 having the condensate line divided by the circulation pump 5 and the preheater 22 into two paths - the first way directly
  • the mixed evaporator 9 is in communication, and the second passage is in communication with the intermediate temperature evaporator 10 via the second circulation pump 6 and the second preheater 23; the condensate of the condenser 8 is pressurized by the circulation pump 5 and flows through the preheater 22 After the endothermic temperature rises, it is divided into two paths - the first way directly enters the mixed evaporator 9, and the second way is further boosted by the second circulating pump 6 and the second preheater 23 is heated and then enters the intermediate temperature evaporator 10 to form multiple Combined cycle power unit.
  • an intermediate reheater is added, the intermediate temperature evaporator 10 has a steam passage communicating with the second expander 3, and the second expander 3 has a steam passage connected to the condenser 8.
  • the medium temperature evaporator 10 is adjusted to have a steam passage communicating with the second expander 3, the second expander 3 and the intermediate reheat steam passage are connected to the second expander 3 via the intermediate reheater 24, and the second expander 3 is further
  • the steam passage is in communication with the condenser 8, and the intermediate reheater 19 has a heat medium passage communicating with the outside; when the steam entering the second expander 3 is subjected to a pressure reduction to a certain pressure, all of the steam is taken out and passed through the intermediate reheat steam passage.
  • the intermediate reheater 24 absorbs heat and heats up, then enters the second expander 3 to continue the depressurization work, and then enters the condenser 8 to release heat and condense to form a multiple combined cycle power device.
  • the multiple combined cycle power unit shown in Figure 15/17 is implemented as follows:
  • the second condenser is added, and the second expander 3 has a steam passage communicating with the condenser 8 to adjust the second expander 3 to have a steam passage.
  • the condenser 8 has a condensate line connected to the intermediate temperature evaporator 10 via the second circulation pump 6 to be adjusted to a second condenser 18 having a condensate line through the second circulation pump 6 and intermediate temperature evaporation
  • the device 10 is in communication, and the second condenser 18 also has a cooling medium passage communicating with the outside.
  • the steam discharged from the fifth expander 26 enters the condenser 8 to release heat and condense; the expander 2, the second expander 3, the third expander 4, the fourth expander 12, and the fifth expander 26 output power externally. Forming multiple combined cycle power units.
  • the expander 2 Connected to the condenser 8, the expander 2 has a steam passage through the intermediate temperature evaporator 10 and the mixed evaporator 9 to adjust to the expander 2 has a steam passage through the new intermediate temperature evaporator D and the intermediate temperature evaporator 10 and the mixed evaporator 9
  • the new preheater F and the heat medium passage are connected to the outside, and the fifth expander 26 is connected to the outside and outputs power.
  • the steam discharged from the fifth expander 26 enters the condenser 8 to release heat and condense, the expander 2, the second expander 3, the third expander 4, and the fourth
  • the expander 12 and the fifth expander 26 externally output power to form a multiple combined cycle power unit.
  • Two kinds of circulating working fluids realize multiple cycles, reduce heat transfer links and reduce operating costs.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

L'invention concerne un dispositif de puissance à cycle combiné multiple se rapportant au domaine de la technologie de la puissance et de l'énergie. Un condenseur (8) se raccorde à un évaporateur de mélange (9) par l'intermédiaire d'une pompe à circulateur (5). Un détendeur (2) se raccorde à l'évaporateur de mélange (9) par l'intermédiaire d'un évaporateur à température moyenne (10) au moyen d'un canal de vapeur. L'évaporateur de mélange (9) se raccorde à un compresseur (1) et à un troisième détendeur (4) séparément au moyen de canaux de vapeur. Le compresseur (1) se raccorde au détendeur (2) par l'intermédiaire d'un échangeur de chaleur à haute température (7) au moyen d'un canal de vapeur. Le troisième détendeur (4) se raccorde au condenseur (8) au moyen d'un canal de vapeur. Le condenseur (8) se raccorde à lui-même par l'intermédiaire d'une deuxième pompe à circulateur (6), l'évaporateur à température moyenne (10) et un deuxième détendeur (3). Un deuxième compresseur (11), une chambre de combustion (15) et un quatrième détendeur (12) constituent un système de circulation de turbine à gaz. Le quatrième détendeur (12) se raccorde à l'extérieur du dispositif par l'intermédiaire de l'échangeur de chaleur haute température (7) au moyen d'un canal de gaz. Le condenseur (8) se raccorde à l'extérieur du dispositif au moyen d'un canal de milieu de refroidissement. Le détendeur (2) se raccorde au compresseur (1) et délivre de la puissance. Le quatrième détendeur (12) se raccorde au deuxième compresseur (11) et délivre de la puissance. Le détendeur (2), le deuxième détendeur (3), le troisième détendeur (4) et le quatrième détendeur (12) se raccordent à l'extérieur du dispositif et délivrent de la puissance, et forment un dispositif de puissance à cycle combiné multiple. Le dispositif conserve les avantages d'un cycle de puissance à vapeur, surmonte les faiblesses de celui-ci et augmente efficacement l'efficacité thermique.
PCT/CN2017/000722 2016-12-15 2017-12-11 Dispositif de puissance à cycle combiné multiple Ceased WO2018107552A1 (fr)

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CN109340960A (zh) * 2018-09-27 2019-02-15 克莱门特捷联制冷设备(上海)有限公司 机房和房间的组合空调系统及其控制方法
CN109357427A (zh) * 2018-09-27 2019-02-19 克莱门特捷联制冷设备(上海)有限公司 用于机房和热水系统的组合式空调系统及其控制方法
CN109357426A (zh) * 2018-09-27 2019-02-19 克莱门特捷联制冷设备(上海)有限公司 用于机房和房间的组合式空调系统及其控制方法
CN109340960B (zh) * 2018-09-27 2020-11-03 克莱门特捷联制冷设备(上海)有限公司 机房和房间的组合空调系统及其控制方法
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CN109485222A (zh) * 2018-10-26 2019-03-19 广东工业大学 一种热泵型分温区干燥系统
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