CN203050818U - Photovoltaic and organic Rankine cycle coupling CHP (Combined Heat and Power) system - Google Patents
Photovoltaic and organic Rankine cycle coupling CHP (Combined Heat and Power) system Download PDFInfo
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- CN203050818U CN203050818U CN2012205568031U CN201220556803U CN203050818U CN 203050818 U CN203050818 U CN 203050818U CN 2012205568031 U CN2012205568031 U CN 2012205568031U CN 201220556803 U CN201220556803 U CN 201220556803U CN 203050818 U CN203050818 U CN 203050818U
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- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
本实用新型涉及一种光伏与有机郎肯循环耦合热电联供系统，属于能源与环境技术领域。本实用新型包括传热流体循环回路、生物质燃烧炉排烟回路、供热热水回路、冷却回路；还包括高温级有机朗肯循环回路、低温级有机郎肯循环回路、太阳能电池冷却及有机介质预热器，且高温与传热流体循环回路连接，低温级有机郎肯循环回路与高温级有机朗肯循环回路连接，冷却回路与低温级有机郎肯循环回路连接。本实用新型采用两级复叠式有机朗肯循环，可实现对热量的梯级利用，能大大降低成本，提高能量的利用效率，能提高光伏发电效率，节约材料及成本，便于实现个性化的分布式发电系统。
The utility model relates to a combined heat and power supply system coupled with photovoltaics and an organic Rankine cycle, which belongs to the technical field of energy and environment. The utility model includes a heat transfer fluid circulation loop, a biomass combustion furnace smoke exhaust loop, a heating hot water loop, and a cooling loop; it also includes a high-temperature organic Rankine loop, a low-temperature organic Rankine loop, solar cell cooling and A medium preheater, and the high temperature is connected to the heat transfer fluid circulation loop, the low-temperature organic Rankine circulation loop is connected to the high-temperature organic Rankine circulation loop, and the cooling loop is connected to the low-temperature organic Rankine circulation loop. The utility model adopts a two-stage cascading organic Rankine cycle, which can realize cascade utilization of heat, greatly reduce costs, improve energy utilization efficiency, improve photovoltaic power generation efficiency, save materials and costs, and facilitate the realization of personalized distribution power generation system.
Description
Technical field
The utility model relates to a kind of photovoltaic and organic Lang Ken circulation coupling cogeneration system, belongs to the energy and environment technical field.
Background technique
Electrical production is being played the part of more and more important role in the modern production life.Since oneth century, power industry depends critically upon fossil fuel, though in recent years along with The Application of Technology such as overcritical Rankine cycles, the coal electrical efficiency progressively improves (state-of-the-art technology can reach nearly 50% the thermal efficiency in the world now), but power industry still is carbon dioxide and the main emission source of the serious environmental contaminants of sulfur dioxide, while is along with the exhaustion of fossil fuel, the cost of exploitation and difficulty can be increasing, therefore strengthen the dynamics to new energy development, minimizing is to the dependence of fossil fuel, and using more, the energy of cleaning is human now inevitable choice.
The sun is as the abundantest in the world permanent energy, be radiated tellurian energy within its January, can support all non-renewable energy resources gross reserves that comprise fossil fuel, atomic power etc. on the earth 10 times more than, therefore, the research solar energy generation technology is significant to China and even the whole mankind's sustainable development.Solar electrical energy generation is pressed the difference of conversion regime, can be divided into photovoltaic generation and light-Re-electric dual mode.Along with becoming better and approaching perfection day by day of photovoltaic material (brilliant material or non-crystalline material) production technology, the cost of photovoltaic generating system reduces gradually, photovoltaic power generation technology also obtains increasing commercial application, but the consumption that how to improve generating efficiency and reduce material still is key subjects.In order to improve the efficient of solar energy power generating, reduce the consumption of battery material simultaneously, important behave wherein is to adopt concentrating photovoltaic power generation, solar concentrating photovoltaic power generation is than common solar energy power generating, the photoelectric transformation efficiency of concentrating photovoltaic power generation improves greatly, can produce more electric energy, and can reduce the consumption of photovoltaic cell silicon materials and non-silicon materials significantly, effectively reduce cost of electricity-generating.But concentrating photovoltaic power generation can produce heat energy when high efficiency is electric energy with transform light energy, and these heats can cause the temperature of silicon chip to raise, thereby reduce the working life of generating efficiency and silicon chip, in order to reduce silicon temperature, conventional method is to use radiating fin that heat directly is discharged in the environment and goes, this method not only radiating effect is not ideal enough, and has caused the direct waste of heat.
Simultaneously, China also has abundant biomass resource, and it contains the solid waste of combustible component, if these wastes are unreasonable to be recycled, just can become the ring harmful substances, and therefore, the clean combustion technology of living beings also progressively realizes the typing marketization.In order efficiently to utilize industrial exhaust heat, solar energy and the generating of living beings heat energy, (Organic Rankine Cycle ORC) more and more comes into one's own in the organic Rankine circulation.The ORC technology can be widely used in various low temperature heat energy power fields.Up to now, generally to be confirmed as be the otherwise effective technique that transforms in order to low temperature heat energy power in realizing to organic Rankine circulation (ORC) technology.
Therefore, the utility model gets up condensation photovoltaic cell power generation and the coupling of organic Rankine circulating generation effectively, realize solar energy and living beings heat energy cascade utilization, by the mutual supplement with each other's advantages between solar energy and the living beings heat energy, guarantee stability and the high efficiency of energy source conversion system, native system has adopted the circulation of two-stage superposition type organic Rankine simultaneously, improves generating efficiency and total generated energy, can effectively reduce cost of electricity-generating, be expected to become the important technique measure that makes up the distributed energy supply system.
The model utility content
The purpose of this utility model provides a kind of photovoltaic and organic Lang Ken circulation coupling cogeneration system, it is to utilize photovoltaic cell and organic bright circulation to carry out cogeneration, efficient cascade utilization biomass energy, solar energy are with problem such as solve environmental pollution, energy utilization rate is low, generating efficiency is low.
The utility model is realized by following technological scheme: a kind of photovoltaic and organic Lang Ken circulation coupling cogeneration system comprise thermal fluid circulation loop, biomass combustion fire grate cigarette loop, heat supply hot-water return, cooling circuit; Biomass combustion fire grate cigarette loop one end is connected with the thermal fluid circulation loop, the other end is connected with the heat supply hot-water return, it is characterized in that: also comprise high temperature level organic Rankine circulation loop, the organic Lang Ken circulation loop of low temperature level, solar cell cooling and organic media preheater 12, and high temperature level organic Rankine circulation loop is connected with the thermal fluid circulation loop by the vaporizer 2 that is provided with in the thermal fluid circulation loop, and the organic Lang Ken circulation loop of low temperature level is connected with high temperature level organic Rankine circulation loop by solar cell cooling and organic media preheater 12, adopt the circulation of two-stage superposition type organic Rankine, high temperature level organic Rankine circulation loop adopts living beings heat energy to make driving heat source, its cold junction heat extraction is as the concurrent heating thermal source of the organic Lang Ken circulation loop of low temperature level, cycle fluid with the organic Lang Ken circulation loop of heat extraction preheating low temperature level of photovoltaic battery panel, can improve the generating efficiency of living beings heat energy and the heat extraction of condensation photovoltaic battery, cooling circuit is connected with the organic Lang Ken circulation loop of low temperature level.
Described thermal fluid circulation loop comprises biomass combustion stove 1, vaporizer 2, thermal fluid recycle pump 3, thermal fluid and exhaust heat exchanger 4 and pipeline, biomass combustion stove 1 is connected with vaporizer 2 by pipeline, thermal fluid recycle pump 3 is connected between vaporizer 2 outlets and thermal fluid and the exhaust heat exchanger 4 by pipeline, and thermal fluid and exhaust heat exchanger 4 and biomass combustion stove 1 are connected by pipeline.
Described high temperature level organic Rankine circulation loop comprises turbine I 5, generator I 6, regenerator I 7, condensation and vaporizer 8, liquid container I 9, compression pump I 10 and pipeline; Turbine I 5 one ends are connected with vaporizer 2 in the thermal fluid circulation loop by pipeline, the other end is connected with generator I 6, regenerator I 7 one ends are connected with vaporizer 2 by pipeline, turbine I 5, the other end is connected with condensation and vaporizer 8 by pipeline, condensation and vaporizer 8 are connected with liquid container I 9, compression pump I 10 1 ends are connected with liquid container I 9, and the other end is connected with vaporizer 2 by regenerator I 7.
The organic Lang Ken circulation loop of described low temperature level comprises turbine II 23, generator II 24, regenerator II 25, liquid container II 26, compression pump II 27, condenser 11, solar cell cooling and organic media preheater 12 and pipeline; Turbine II 23 is connected with generator II 24, turbine II 23 in the organic Lang Ken circulation loop of low temperature level is connected with condensation and vaporizer 8 in the high temperature level organic Rankine circulation loop by pipeline, regenerator II 25 1 ends pass through pipeline, turbine II 23 is connected with condensation and vaporizer 8 in the high temperature level organic Rankine circulation loop, the other end is connected with condenser 11 by pipeline, liquid container II 26 is connected with condenser 11 by pipeline, compression pump II 27 1 ends are connected with liquid container II 26, and the other end is by regenerator II 25, solar cell cooling and organic media preheater 12 are connected with condensation and vaporizer 8 in the high temperature level organic Rankine circulation loop.
Described biomass combustion fire grate cigarette loop comprises air preheater 13, heat supply water preheater 14, smoke exhaust fan 15; Air preheater 13 1 ends are connected with thermal fluid and exhaust heat exchanger 4 in the thermal fluid circulation loop, and the other end is connected with heat supply water preheater 14, and smoke exhaust fan 15 is connected with heat supply water preheater 14; The heat supply hot-water return comprises waterback pump 16 and user, and waterback pump 16 is connected with the user by the heat supply water preheater 14 in the biomass combustion fire grate cigarette loop; The chilled(cooling) water return (CWR) comprises cooling tower 17, cooling waterpump 18; Cooling waterpump 18 is connected with cooling tower 17 by the condenser 11 in the organic Lang Ken circulation loop of low temperature level.
Described solar cell cooling and organic media preheater 12 comprise concentrating device 19, corrugated fin 20, solar cell 21, cooling flute profile runner 22; Corrugated fin 20 is installed in the cooling flute profile runner 22, and solar cell 21 is installed on the cooling flute profile runner 22, and concentrating device 19 is connected with solar cell 21.
Comburant in the described biomass combustion stove 1 is any or several any mixture in biodiesel, living beings gasification combustible gas, fuel diesel, heavy oil, methyl alcohol, ethanol, methane, rock gas, coal gas, the dimethyl ether.Cycle fluid in the described high temperature level organic Rankine circulation loop is any or several any mixture in R123, R245fa, toluene, butane, isobutane, pentane, isopentane, cyclopentane, heptane, R113, R11, cyclohexane, benzene, ortho-xylene, ethylo benzene, 6 methyl, 2 siloxane, 8 methyl, 3 siloxane, 10 methyl, 4 siloxane, 12 methyl, 5 siloxane.Cycle fluid in the organic Lang Ken circulation loop of described low temperature level is R143a, R290, ammonia, CO
2, any or several any mixture among R22, R125, R236fa, R236ea, R134a and the R227ea.
Adopt direct contact heat transfer between the organic Lang Ken circulation loop of described thermal fluid circulation loop and high temperature level, but simplified apparatus, improve heat exchange efficiency.
The working principle of a kind of photovoltaic and organic Lang Ken circulation coupling cogeneration system is: the thermal fluid circulation loop, the thermal fluid that comes out from vaporizer 2, after 3 pressurizations of thermal fluid recycle pump, enter thermal fluid and exhaust heat exchanger 4, entering biomass combustion stove 1 after the high-temperature flue gas preheating through 1 discharge of biomass combustion stove inside heats, the working medium (as R123) that the high temperature heat transfer fluid that heats through combustion furnace 1 enters in vaporizer 2 and the high temperature level organic Rankine circulation loop is carried out direct contact heat transfer, with the heat transferred organic working medium, make its carburation by evaporation; Working medium in the high temperature level organic Rankine circulation loop is after vaporizer 2 heat absorption vaporizations, divide two-way: the one tunnel advances high temperature level turbine I 5 expansion acting output shaft works, drive 6 generatings of generator I, when working substance steam pressure does not reach the pressure that drives turbine I 5, then from other one the road without turbine I 5 bypass, two-way all enters 7 preheatings of regenerator I, working medium enters condensation and vaporizer 8 condensations after regenerator I 7 is come out, flow into liquid container I 9, then come out to enter through compression pump I 10 from liquid container I 9 and come back to vaporizer 2 after 7 preheatings of regenerator I and become steam again; The working medium (as R134a) of low temperature level organic Rankine circulation loop is divided into two-way after condensation and vaporizer 8 heat absorption evaporations: the one tunnel advances low temperature level turbine II 23 acting output shaft works, drive 24 generatings of generator II, when working substance steam pressure does not reach the pressure that drives turbine II 23, then from other one the road without turbine II 23 bypass, two-way all enters 25 preheatings of regenerator II, working medium enters condenser 11 condensations after regenerator II 25 is come out, flow into liquid container II 26, after coming out from liquid container II 26, after working medium is pressurizeed through compression pump II 27, enter regenerator II 25, the photovoltaic solar cell assembly of then flowing through, at solar cell cooling and 12 li heats that absorb the discharging of photovoltaic solar cell assembly of organic media preheater, when making the working medium preheating, also make battery obtain cooling, then organic media working medium enters the condensation heat extraction that condensation and vaporizer 8 absorb high temperature organic Rankine circulation loop working medium and finishes evaporation, a complete circulation; Combustion grate smoke pipe road is as follows: flue gas is from entering thermal fluid after biomass combustion stove 1 comes out and 4 pairs of thermal fluids of exhaust heat exchanger carry out preheating, enter air preheater 13 afterwards, the air that comes out from the combustion air gas fan is carried out preheating, enter 14 pairs of backwater of heat supply water preheater afterwards again and heat, drain into chimney finally by smoke exhaust fan 15 pressurizations; The heat supply hot-water return is: be delivered to heat supply water preheater 14 from the next backwater of hot user through waterback pump 16 and finish heating process; The chilled(cooling) water return (CWR) is: the cooling water that comes out from cooling tower 17 carries out condensation through the working medium that cooling waterpump 18 is delivered to 11 pairs of low temperature levels of condenser organic Rankine circulation loop, return the water distributor of cooling tower 17 afterwards, through supercooling is laggard go into tower at the bottom of water-collecting tray, finish a circulation.
The utlity model has following beneficial effect:
1, is converted into electric energy low density solar energy that can resource is very abundant and multiple low grade fuel-efficient, realizes simultaneously providing hot water to the user;
2, can greatly reduce environmentally harmful CO in the power generation process
X, SO
XGeneration and discharging;
3, the direct contact heat transfer jar is adopted in the heat exchange between the circulation of thermal fluid and high temperature level organic Rankine, but not only simplified apparatus but also can increase substantially heat exchange efficiency;
4, adopt the circulation of two-stage superposition type organic Rankine, can realize the cascade utilization to heat, can reduce cost greatly, improve the utilization ratio of energy;
5, adopt light gathering photovoltaic power generating system, can improve photovoltaic efficiency, economical with materials and cost;
6, the heat that utilizes silicon chip in the optically focused photovoltaic generating system power generation process to produce comes the organic working medium of preheating low temperature level organic Rankine circulation loop, and the organic Rankine circulation is coupled together with photovoltaic generation, can improve utilization ratio and the generating efficiency of heat;
7, be convenient to realize personalized distributed generation system, be fit to some should not centrally connected power supply or the not enough area of power supply electric power is provided, as mountain area, pastoral area, fragmentary island, the farmers' of living scattered, remote geological park, to the high military base of power supply safety requirement etc.
Description of drawings
Fig. 1 is process flow diagram of the present utility model;
Fig. 2 is solar cell cooling of the present utility model and organic media preheater structural representation.
Each label is among the figure: 1: the biomass combustion stove, 2: vaporizer, 3: the thermal fluid recycle pump, 4: thermal fluid and exhaust heat exchanger, 5: the turbine I, 6: the generator I, 7: the regenerator I, 8: condensation and vaporizer, 9: the liquid container I, 10: the compression pump I, 11: condenser, 12: solar cell cooling and organic media preheater, 13: air preheater, 14: the heat supply water preheater, 15: smoke exhaust fan, 16: waterback pump, 17: cooling tower, 18: cooling waterpump, 19: concentrating device, 20: corrugated fin, 21: solar cell, 22: cooling flute profile runner, 23: the turbine II, 24: the generator II, 25: the regenerator II, 26: the liquid container II, 27: the compression pump II.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but content of the present utility model is not limited to described scope.
Embodiment 1: build a photovoltaic and organic Lang Ken circulation coupling cogeneration system in the somewhere, concentrating photovoltaic power generation power is 500kw, generated output power is 300kW in the high temperature level organic Rankine circulation loop, the output power of generator is 200 kw in the low temperature level organic Rankine circulation loop, total generated output 1000kW supplies 45 ~ 50 ℃ of health hot water 75m
3
This photovoltaic and organic Lang Ken circulation coupling cogeneration system comprise thermal fluid circulation loop, biomass combustion fire grate cigarette loop, heat supply hot-water return, cooling circuit; Biomass combustion fire grate cigarette loop one end is connected with the thermal fluid circulation loop, the other end is connected with the heat supply hot-water return, it is characterized in that: also comprise high temperature level organic Rankine circulation loop, the organic Lang Ken circulation loop of low temperature level, solar cell cooling and organic media preheater 12, and high temperature level organic Rankine circulation loop is connected with the thermal fluid circulation loop by the vaporizer 2 that is provided with in the thermal fluid circulation loop, and the organic Lang Ken circulation loop of low temperature level is connected with high temperature level organic Rankine circulation loop by solar cell cooling and organic media preheater 12, and cooling circuit is connected with the organic Lang Ken circulation loop of low temperature level.
Native system thermal fluid circulation loop thermal fluid adopts the synthetic conduction oil of the first promise of excellent stability, hot oil temperature after heating is 320 ℃, the thermal fluid circulation loop comprises biomass combustion stove 1, vaporizer 2, thermal fluid recycle pump 3, thermal fluid and exhaust heat exchanger 4 and pipeline, biomass combustion stove 1 is connected with vaporizer 2 by pipeline, thermal fluid recycle pump 3 is connected between vaporizer 2 outlets and thermal fluid and the exhaust heat exchanger 4 by pipeline, and thermal fluid and exhaust heat exchanger 4 and biomass combustion stove 1 are connected by pipeline.
The working medium of native system high temperature level organic Rankine circulation loop adopts R123, decompressor adopts the screw type decompressor, the expander inlet power pressure is 2.5MPa, 160 ℃ of temperature, condensing temperature is 80 ℃, heat exchanger all adopts plate type heat exchanger, and the working medium compression pump adopts high-pressure masked pump, and high temperature level organic Rankine circulation loop comprises turbine I 5, generator I 6, regenerator I 7, condensation and vaporizer 8, liquid container I 9, compression pump I 10 and pipeline; Turbine I 5 one ends are connected with vaporizer 2 in the thermal fluid circulation loop by pipeline, the other end is connected with generator I 6, regenerator I 7 one ends are connected with vaporizer 2 by pipeline, turbine I 5, the other end is connected with condensation and vaporizer 8 by pipeline, condensation and vaporizer 8 are connected with liquid container I 9, compression pump I 10 1 ends are connected with liquid container I 9, and the other end is connected with vaporizer 2 by regenerator I 7.
The working medium of the organic Lang Ken circulation loop of native system low temperature level adopts R134a, decompressor adopts the screw type decompressor, the expander inlet power pressure is 2.6MPa, 80 ℃ of temperature, condensing temperature is 35 ℃, vaporizer, condenser, regenerator all adopt plate type heat exchanger, the working medium compression pump adopts high-pressure masked pump, and the organic Lang Ken circulation loop of low temperature level comprises turbine II 23, generator II 24, regenerator II 25, liquid container II 26, compression pump II 27, condenser 11, solar cell cooling and organic media preheater 12 and pipeline; Turbine II 23 is connected with generator II 24, turbine II 23 in the organic Lang Ken circulation loop of low temperature level is connected with condensation and vaporizer 8 in the high temperature level organic Rankine circulation loop by pipeline, regenerator II 25 1 ends pass through pipeline, turbine II 23 is connected with condensation and vaporizer 8 in the high temperature level organic Rankine circulation loop, the other end is connected with condenser 11 by pipeline, liquid container II 26 is connected with condenser 11 by pipeline, compression pump II 27 1 ends are connected with liquid container II 26, and the other end is by regenerator II 25, solar cell cooling and organic media preheater 12 are connected with condensation and vaporizer 8 in the high temperature level organic Rankine circulation loop.
The comburant in native system biomass combustion fire grate cigarette loop adopts maize straw, generating dutation was by annual 6000 hours, the needs maize straw was 2030 tons in 1 year, and biomass combustion fire grate cigarette loop comprises air preheater 13, heat supply water preheater 14, smoke exhaust fan 15; Air preheater 13 1 ends are connected with thermal fluid and exhaust heat exchanger 4 in the thermal fluid circulation loop, and the other end is connected with heat supply water preheater 14, and smoke exhaust fan 15 is connected with heat supply water preheater 14; The heat supply hot-water return comprises waterback pump 16 and user, and waterback pump 16 is connected with the user by the heat supply water preheater 14 in the biomass combustion fire grate cigarette loop; The chilled(cooling) water return (CWR) comprises cooling tower 17, cooling waterpump 18; Cooling waterpump 18 is connected with cooling tower 17 by the condenser 11 in the organic Lang Ken circulation loop of low temperature level.
The concentrating device 19 of the cooling of native system solar cell and organic media preheater 12 adopts Fresnel lens, this A Yong polysilicon solar cell plate of the battery plate of solar cell 21, and the generated output of battery plate is 500kw.
Native system heat supply hot-water return adopts the PPR hot-water line, and the cooling water circular flow of cooling circuit is 800m
3/ h, the pipeline in biomass combustion fire grate cigarette loop is welded with the 2mm hot rolling steel plate.Adopt direct contact heat transfer between the organic Lang Ken circulation loop of native system thermal fluid circulation loop and high temperature level,
Embodiment 2: this photovoltaic is identical with embodiment 1 with organic Lang Ken circulation coupling cogeneration system, and the comburant in the biomass combustion stove 1 that adopts is biodiesel, living beings gasify any or several any mixture in combustible gas, fuel diesel, heavy oil, methyl alcohol, ethanol, methane, rock gas, coal gas, the dimethyl ether.
Embodiment 3: this photovoltaic is identical with embodiment 1 with organic Lang Ken circulation coupling cogeneration system, and the cycle fluid in the high temperature level organic Rankine circulation loop of adopting is any or several any mixture in R245fa, toluene, butane, isobutane, pentane, isopentane, cyclopentane, heptane, R113, R11, cyclohexane, benzene, ortho-xylene, ethylo benzene, 6 methyl, 2 siloxane, 8 methyl, 3 siloxane, 10 methyl, 4 siloxane, 12 methyl, 5 siloxane.
Embodiment 4: this photovoltaic is identical with embodiment 1 with organic Lang Ken circulation coupling cogeneration system, the cycle fluid in the organic Lang Ken circulation loop of the low temperature level that adopts be R143a, R290, ammonia, CO
2, any or several any mixture among R22, R125, R236fa, R236ea, R134a and the R227ea.
Claims (7)
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| CN102979588A (en) * | 2012-10-29 | 2013-03-20 | 昆明理工大学 | Photovoltaic and organic Rankine cycle coupling combined heat and power supply system |
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| CN102979588B (en) * | 2012-10-29 | 2015-03-11 | 昆明理工大学 | Photovoltaic and organic Rankine cycle coupling combined heat and power supply system |
| CN103883490A (en) * | 2013-08-27 | 2014-06-25 | 王天祥 | Circulatory multistage power generation system |
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| CN104986819A (en) * | 2015-07-27 | 2015-10-21 | 高凤林 | Photovoltaic solar waste heat evaporation process free of energy consumption |
| CN105674582A (en) * | 2016-04-13 | 2016-06-15 | 湖南大学 | Biomass and solar-energy coupled tri-generation system |
| CN105888822A (en) * | 2016-04-13 | 2016-08-24 | 湖南大学 | Solar driven biomass gasification distributed type energy system |
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| CN105674582B (en) * | 2016-04-13 | 2017-11-17 | 湖南大学 | A kind of biomass and three co-generation systems of solar energy coupling |
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| CN105888829B (en) * | 2016-04-13 | 2018-04-17 | 湖南大学 | A kind of cold, heat and power triple supply system based on biomass energy and solar thermal energy |
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