CN119222818A - Heat pump dehumidification system and dehumidification equipment - Google Patents
Heat pump dehumidification system and dehumidification equipment Download PDFInfo
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- CN119222818A CN119222818A CN202310798936.2A CN202310798936A CN119222818A CN 119222818 A CN119222818 A CN 119222818A CN 202310798936 A CN202310798936 A CN 202310798936A CN 119222818 A CN119222818 A CN 119222818A
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- heat pump
- evaporator
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- pump system
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- 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
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
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- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The application relates to the technical field of dehumidification equipment, in particular to a heat pump dehumidification system and dehumidification equipment, and aims to solve the problems that a low-temperature-level heat pump system in a traditional cascade heat pump system is complex in heat transfer to a high-temperature-level heat pump system and high in development difficulty. The heat pump dehumidification system comprises a first heat pump system, a second heat pump system, a water tank, a first rotating wheel and a second rotating wheel, wherein a condenser of the first heat pump system is connected with an evaporator of the second heat pump system through the water tank, so that the first heat pump system can heat a refrigerant in the water tank and then provide a heat source for the second heat pump system, the evaporation temperature of the second heat pump system can be increased, the temperature of gas flowing through the second condenser can be increased, the second heat pump system and the first heat pump system can realize heat exchange through the water tank, the low-temperature-level heat pump system can transmit heat to the high-temperature-level heat pump system, heat transfer is simpler, and development difficulty is greatly reduced.
Description
Technical Field
The invention relates to the field of dehumidification equipment, and particularly provides a heat pump dehumidification system and dehumidification equipment.
Background
At present, all industries generally adopt traditional electric heating or steam heating and hot water heating as renewable energy sources to develop dehumidifying equipment which accords with the current process in the field of dehumidifying equipment, and the traditional dehumidifying equipment has relatively high energy consumption and is not beneficial to energy conservation and emission reduction. In order to realize energy conservation and emission reduction, an overlapping heat pump system is generally used, and the overlapping heat pump system provides a heat source for a high-temperature stage through two-stage compression, so that the high-temperature stage obtains higher evaporation temperature, and further higher water outlet temperature or air outlet temperature is realized. However, heat transfer between the high temperature level and the low temperature level of the cascade heat pump system is complex, and development difficulty is high.
Accordingly, there is a need in the art for a new solution to the above-mentioned problems.
Disclosure of Invention
In order to solve at least one problem in the prior art, namely to solve the problems that a low-temperature level transmits heat to a high-temperature level in a traditional cascade heat pump system is complex and development difficulty is high, the application provides a heat pump dehumidification system, which comprises a first heat pump system, a second heat pump system, a water tank, a first rotating wheel and a second rotating wheel;
The heat pump dehumidification system comprises a first heat pump system, a second heat pump system, a water tank, a first rotating wheel and a second rotating wheel;
the first heat pump system comprises a first compressor, a first condenser and a first evaporator, the second heat pump system comprises a second compressor, a second condenser and a second evaporator, and a first refrigerant loop is formed by the first evaporator, the first compressor, the first condenser, the water tank, the second evaporator, the second compressor, the second condenser, the second evaporator, the first condenser and the first evaporator according to the flowing direction of a refrigerant;
the first rotating wheel, the first evaporator and the second rotating wheel are sequentially connected along the gas flow direction to form a dehumidification system, and the second rotating wheel, the second condenser and the first rotating wheel are sequentially connected along the gas flow direction to form a regeneration system.
In the preferable technical scheme of the heat pump dehumidification system, the dehumidification system further comprises a third heat pump system, wherein the third heat pump system comprises a third compressor, a third condenser and a third evaporator, and the third evaporator, the third compressor, the third condenser and the third evaporator form a second refrigerant loop according to the flowing direction of the refrigerant;
the third condenser is disposed on an inlet side of the regeneration system and the third evaporator is disposed on an outlet side of the regeneration system.
In a preferred technical solution of the heat pump dehumidification system, the third heat pump system further includes a third throttling device, the third throttling device is disposed between the third evaporator and the third condenser in the second refrigerant loop, and the third throttling device is disposed in parallel with the third compressor.
In the preferable technical scheme of the heat pump dehumidification system, the third throttling device is a third electronic expansion valve, a third thermal expansion valve or a third capillary tube.
In the preferable technical scheme of the heat pump dehumidification system, the heat pump dehumidification system further comprises a fourth heat pump system;
the fourth heat pump system comprises a fourth compressor, a fourth condenser and a fourth evaporator;
The fourth evaporator, the fourth compressor, the fourth condenser and the fourth evaporator form a third refrigerant loop according to the flowing direction of the refrigerant;
the fourth evaporator is arranged between the first evaporator and the second rotating wheel in the dehumidification system.
In the preferred technical solution of the heat pump dehumidification system, the fourth heat pump system further includes a fourth throttling device, the fourth throttling device is disposed between the fourth evaporator and the fourth condenser in the third refrigerant loop, and the fourth throttling device and the fourth compressor are disposed in parallel.
In the preferable technical scheme of the heat pump dehumidification system, the fourth throttling device is a fourth electronic expansion valve, a fourth thermal expansion valve or a fourth capillary tube.
In the preferable technical scheme of the heat pump dehumidification system, the heat pump dehumidification system further comprises a fifth heat pump system;
the fifth heat pump system comprises a fifth compressor, a fifth condenser and a fifth evaporator;
The fourth evaporator, the fourth compressor, the fourth condenser, the fifth evaporator, the fifth compressor, the fifth condenser, the fifth evaporator, the fourth condenser and the fourth evaporator form a fourth refrigerant loop according to the flowing direction of the refrigerant;
The fifth condenser is disposed in the regeneration system between the second condenser and the second runner.
In a preferred embodiment of the heat pump dehumidification system, the fifth heat pump system further includes a fifth throttling device, the fifth throttling device is disposed between the fourth evaporator and the fifth condenser in the fourth refrigerant condensation, and the fifth throttling device is disposed in parallel with the fifth compressor.
In the preferable technical solution of the heat pump dehumidification system, the fifth throttling device is a fifth electronic expansion valve, a fifth thermal expansion valve or a fifth capillary tube.
In the preferred technical solution of the heat pump dehumidification system, the water tank is disposed between the fourth condenser and the fifth evaporator, so that the refrigerant flowing out of the fourth condenser can enter the fifth evaporator through the water tank.
In the preferable technical scheme of the heat pump dehumidification system, the heat pump system further comprises a drying room, and the drying room is arranged on the outlet side of the dehumidification system.
In a preferred embodiment of the heat pump dehumidification system, an outlet side of the drying room is connected to an inlet side of the second condenser in the regeneration system.
In the preferable technical scheme of the heat pump dehumidification system, the first heat pump system further comprises a first throttling device, wherein the first throttling device is arranged between the first evaporator and the first condenser in the first refrigerant loop and is arranged in parallel with the first compressor, and/or
The second heat pump system further comprises a second throttling device, wherein the second throttling device is arranged between the second evaporator and the second condenser in the first refrigerant loop, and the second throttling device is arranged in parallel with the second compressor.
In the preferable technical scheme of the heat pump dehumidification system, the first throttling device is a first electronic expansion valve, a first thermal expansion valve or a first capillary tube, and/or
The second throttling device is a second electronic expansion valve, a second thermal expansion valve or a second capillary tube.
In a preferred embodiment of the heat pump dehumidification system, an outlet side of the dehumidification system is connected to an inlet side of the regeneration system.
The invention also provides a dehumidification device, which comprises the heat pump dehumidification system.
The scheme 1. The heat pump dehumidification system is characterized by comprising a first heat pump system, a second heat pump system, a water tank, a first rotating wheel and a second rotating wheel;
the first heat pump system comprises a first compressor, a first condenser and a first evaporator, the second heat pump system comprises a second compressor, a second condenser and a second evaporator, and a first refrigerant loop is formed by the first evaporator, the first compressor, the first condenser, the water tank, the second evaporator, the second compressor, the second condenser, the second evaporator, the first condenser and the first evaporator according to the flowing direction of a refrigerant;
the first rotating wheel, the first evaporator and the second rotating wheel are sequentially connected along the gas flow direction to form a dehumidification system, and the second rotating wheel, the second condenser and the first rotating wheel are sequentially connected along the gas flow direction to form a regeneration system.
The heat pump dehumidification system according to the scheme 2 is characterized by further comprising a third heat pump system, wherein the third heat pump system comprises a third compressor, a third condenser and a third evaporator, and the third evaporator, the third compressor, the third condenser and the third evaporator form a second refrigerant loop according to the flowing direction of the refrigerant;
the third condenser is disposed on an inlet side of the regeneration system and the third evaporator is disposed on an outlet side of the regeneration system.
The heat pump dehumidification system of claim 2, wherein the third heat pump system further comprises a third throttling device disposed in the second refrigerant circuit between the third evaporator and the third condenser, and wherein the third throttling device is disposed in parallel with the third compressor.
The heat pump dehumidification system according to claim 3, wherein the third throttling device is a third electronic expansion valve, a third thermal expansion valve, or a third capillary tube.
A heat pump dehumidification system according to claim 1, wherein the heat pump dehumidification system further comprises a fourth heat pump system;
the fourth heat pump system comprises a fourth compressor, a fourth condenser and a fourth evaporator;
The fourth evaporator, the fourth compressor, the fourth condenser and the fourth evaporator form a third refrigerant loop according to the flowing direction of the refrigerant;
the fourth evaporator is arranged between the first evaporator and the second rotating wheel in the dehumidification system.
The heat pump dehumidification system of claim 5, wherein the fourth heat pump system further comprises a fourth throttling device disposed in the third refrigerant circuit between the fourth evaporator and the fourth condenser, and wherein the fourth throttling device is disposed in parallel with the fourth compressor.
The heat pump dehumidification system of claim 6, wherein the fourth throttling device is a fourth electronic expansion valve, a fourth thermal expansion valve, or a fourth capillary tube.
A heat pump dehumidification system according to claim 5, wherein the heat pump dehumidification system further comprises a fifth heat pump system;
the fifth heat pump system comprises a fifth compressor, a fifth condenser and a fifth evaporator;
The fourth evaporator, the fourth compressor, the fourth condenser, the fifth evaporator, the fifth compressor, the fifth condenser, the fifth evaporator, the fourth condenser and the fourth evaporator form a fourth refrigerant loop according to the flowing direction of the refrigerant;
The fifth condenser is disposed in the regeneration system between the second condenser and the second runner.
The heat pump dehumidification system of claim 8, wherein the fifth heat pump system further comprises a fifth throttling device disposed between the fourth evaporator and the fifth condenser in the fourth refrigerant meeting, and the fifth throttling device is disposed in parallel with the fifth compressor.
The heat pump dehumidification system of claim 9, wherein the fifth throttling device is a fifth electronic expansion valve, a fifth thermal expansion valve, or a fifth capillary tube.
The heat pump dehumidification system according to claim 8, wherein the water tank is disposed between the fourth condenser and the fifth evaporator, so that the refrigerant flowing out of the fourth condenser can enter the fifth evaporator through the water tank.
Solution 12. The heat pump dehumidification system according to solution 1, further comprising a drying room disposed at an outlet side of the dehumidification system.
The heat pump dehumidification system according to claim 12, wherein an outlet side of the drying room is connected to an inlet side of the second condenser in the regeneration system.
The heat pump dehumidification system of claim 1, further comprising a first throttling device disposed in the first refrigerant circuit between the first evaporator and the first condenser and in parallel with the first compressor, and/or
The second heat pump system further comprises a second throttling device, wherein the second throttling device is arranged between the second evaporator and the second condenser in the first refrigerant loop, and the second throttling device is arranged in parallel with the second compressor.
The heat pump dehumidification system according to claim 14, wherein the first throttle device is a first electronic expansion valve, a first thermal expansion valve, or a first capillary tube, and/or
The second throttling device is a second electronic expansion valve, a second thermal expansion valve or a second capillary tube.
The heat pump dehumidification system of claim 1, wherein an outlet side of the dehumidification system is connected to an inlet side of the regeneration system.
Scheme 17. A dehumidification plant, characterized in that it comprises a heat pump dehumidification system according to any one of the schemes 1-16.
It can be understood by those skilled in the art that the heat pump dehumidification system comprises the first heat pump system, the second heat pump system, the water tank, the first rotating wheel and the second rotating wheel, wherein the condenser of the first heat pump system is connected with the evaporator of the second heat pump system through the water tank, so that the first heat pump system can heat the refrigerant in the water tank and then provide a heat source for the second heat pump system, the evaporation temperature of the second heat pump system can be improved, the temperature of gas flowing through the second condenser can be improved, the second heat pump system and the first heat pump system can realize heat exchange through the water tank, and the low-temperature-level heat pump system can transmit heat to the high-temperature-level heat pump system, so that heat transfer is simpler, and development difficulty is greatly reduced.
Further, through setting up third heat pump system, this third heat pump system's third condenser sets up in regeneration system's entry side so that gas can pass through the step condensation of secondary condenser, resets the dehumidification ability of first runner, has improved whole heat pump dehumidification system's energy efficiency and stability greatly. In addition, the third evaporator is provided on the outlet side of the regeneration system, so that the temperature of the gas passing through the first runner can be reduced.
Further, through setting up fourth heat pump system, the fourth evaporimeter in this fourth heat pump system sets up in dehumidification system, and sets up between first evaporimeter and second runner for outdoor fresh air can pass through the cooling of twice evaporimeter, has improved the dehumidification effect of fresh air.
Further, the fourth throttling device is arranged to play a role in throttling and depressurization.
Further, by arranging the fifth heat pump system, the fifth condenser in the fifth heat pump system is provided with the regeneration system and is arranged between the second condenser and the second rotating wheel, so that gas can be condensed in steps through the third condenser, and the energy efficiency and the stability of the whole heat pump dehumidification system are greatly improved.
Further, the fifth throttling device can play a role in throttling and depressurization.
Further, through setting up the stoving room, this stoving room sets up the export side at dehumidification system to make the outdoor new trend enter into the stoving room after dehumidify, carry out drying treatment to the product or the equipment in the stoving room.
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a flow diagram of a heat pump dehumidification system of the present invention.
List of reference numerals:
1. A first compressor; 2, a first condenser, 3, a first evaporator, 4, a first throttling device, 5, a second compressor, 6, a second condenser, 7, a second evaporator, 8, a second throttling device, 9, a third compressor, 10, a third condenser, 11, a third evaporator, 12, a third throttling device, 13, a fourth compressor, 14, a fourth condenser, 15, a fourth evaporator, 16, a fourth throttling device, 17, a fifth compressor, 18, a fifth condenser, 19, a fifth evaporator, 20, a fifth throttling device, 21, a water tank, 22, a first rotating wheel, 23, a second rotating wheel, 24 and a drying room.
Detailed Description
Preferred embodiments of the present application are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present application, and are not intended to limit the scope of the present application.
It should be noted that, in the description of the present application, terms such as "upper," "lower," "inner," "bottom," "end," and the like indicate directional or positional relationships based on the directional or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the application.
In addition, it should be noted that, in the description of the present application, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art according to the specific circumstances.
Referring first to fig. 1, a heat pump dehumidification system of the present application will be described. Wherein fig. 1 is a flow diagram of a heat pump dehumidification system of the present application.
As shown in fig. 1, in order to solve the problems that a low-temperature-level heat pump system is complicated to transfer heat to a high-temperature-level heat pump system in a conventional cascade heat pump system and the development difficulty is great, a heat pump dehumidification system of the present application comprises a first heat pump system, a second heat pump system, a water tank 21, a first rotating wheel 22 and a second rotating wheel 23. The first heat pump system comprises a first compressor 1, a first condenser 2 and a first evaporator 3, the second heat pump system comprises a second compressor 5, a second condenser 6 and a second evaporator 7, and the first evaporator 3, the first compressor 1, the first condenser 2, a water tank 21, the second evaporator 7, the second compressor 5, the second condenser 6, the second evaporator 7, the first condenser 2 and the first evaporator 3 form a first refrigerant loop according to the flowing direction of the refrigerant. The first rotating wheel 22, the first evaporator 3 and the second rotating wheel 23 are sequentially connected along the gas flow direction to form a dehumidifying system, and the second rotating wheel 23, the second condenser 6 and the first rotating wheel 22 are sequentially connected along the gas flow direction to form a regenerating system.
The heat pump dehumidification system comprises two refrigerant loops, namely a first refrigerant loop and a second refrigerant loop. The refrigerant flow path in the first refrigerant loop is that the first evaporator 3, the first compressor 1, the first condenser 2, the water tank 21, the second evaporator 7, the second compressor 5, the second condenser 6, the second evaporator 7, the first condenser 2 and the first evaporator 3. The heat pump dehumidification system also comprises a dehumidification system and a regeneration system, wherein the gas flow path in the dehumidification system is outdoor fresh air, the first rotating wheel 22, the first evaporator 3, the second rotating wheel 23, and the gas flow path in the regeneration system is the second condenser 6, the first rotating wheel 22 and exhaust air.
The heat pump dehumidification system comprises a first heat pump system, a second heat pump system, a water tank 21, a first rotating wheel 22 and a second rotating wheel 23, wherein the first heat pump system and the second heat pump system respectively comprise a compressor, a condenser and an evaporator, the condenser of the first heat pump system is connected with the evaporator of the second heat pump system through the water tank 21, so that the first heat pump system can heat a refrigerant in the water tank 21 and then provide a heat source for the second heat pump system, the evaporation temperature of the second heat pump system can be improved, the temperature of gas flowing through the second condenser 6 can be improved, the second heat pump system and the first heat pump system can realize heat exchange through the water tank 21, the low-temperature-level heat pump system can transmit heat to the high-temperature-level heat pump system, the heat transfer is simpler, and the development difficulty is greatly reduced.
With further reference to fig. 1, a preferred embodiment of the heat pump dehumidification system of the present application is described. It will be appreciated by those skilled in the art that the following description of the embodiments is merely illustrative of the principles of the present application and not in limitation of the scope of the application. On the premise of satisfying that the heat pump dehumidification system at least comprises a first heat pump system, a second heat pump system, a water tank 21, a first rotating wheel 22 and a second rotating wheel 23, the following setting modes can be adjusted by a person skilled in the art, so that the application can be suitable for more specific application scenarios.
Referring to fig. 1, in a preferred embodiment, the heat pump dehumidifying system includes a first heat pump system, a second heat pump system, a third heat pump system, a fourth heat pump system, a fifth heat pump system, a water tank 21, a drying room 24, a first wheel 22 and a second wheel 23.
Referring next to fig. 1, the first heat pump system includes a first compressor 1, a first condenser 2, a first evaporator 3, and a first electronic expansion valve. Wherein the first compressor 1 is connected in parallel with the first electronic expansion valve and then connected with the first evaporator 3 and the first condenser 2. The second heat pump system comprises a second compressor 5, a second condenser 6, a second evaporator 7 and a second electronic expansion valve. Wherein the second compressor 5 is connected in parallel with the second electronic expansion valve and then connected with the second evaporator 7 and the second condenser 6. The third heat pump system comprises a third compressor 9, a third condenser 10, a third evaporator 11 and a third electronic expansion valve. The third compressor 9 is connected in parallel with a third electronic expansion valve and then connected with a third evaporator 11 and a third condenser 10. The fourth heat pump system comprises a fourth compressor 13, a fourth condenser 14, a fourth evaporator 15 and a fourth electronic expansion valve. The fourth compressor 13 is connected in parallel with a fourth electronic expansion valve and then connected with a fourth evaporator 15 and a fourth condenser 14. The fifth heat pump system comprises a fifth compressor 17, a fifth condenser 18, a fifth evaporator 19 and a fifth electronic expansion valve. The fifth compressor 17 is connected in parallel with the fifth electronic expansion valve, and then connected with the fifth evaporator 19 and the fifth condenser 18.
Of course, the arrangement of the first, second, third, fourth and fifth throttles 4, 8, 12, 16 and 20 is not fixed, and may be adjusted by those skilled in the art according to the specific application. The first throttling means 4 may also be, for example, a first thermostatic expansion valve or a first capillary tube. And/or the second throttling means 8 may also be a second thermostatic expansion valve or a second capillary tube. And/or the third throttling means 12 may also be a third thermostatic expansion valve or a third capillary tube. And/or the fourth throttling means 16 may also be a fourth thermostatic expansion valve or a fourth capillary tube. And/or the fifth throttling means 20 may also be a fifth thermostatic expansion valve or a fifth capillary tube.
In other embodiments, the arrangement of the first restriction device 4 is not necessary and can be adapted as desired by a person skilled in the art. And/or the arrangement of the second throttling means 8 is not necessary and can be adjusted as required by a person skilled in the art. And/or the setting of the third throttling means 12 is not necessary and can be adjusted as required by a person skilled in the art. And/or the arrangement of the fourth throttling means 16 is not necessary and can be adapted as desired by a person skilled in the art. And/or the arrangement of the fifth throttle device 20 is not necessary and can be adjusted as desired by a person skilled in the art.
Referring again to fig. 1, the heat pump dehumidification system further comprises a water tank 21, the water tank 21 being arranged between the first and second heat pump systems and between the fourth and fifth heat pump systems, i.e. the water tank 21 is arranged between the first condenser 2 and the second evaporator 7 and between the fourth condenser 14 and the fifth evaporator 19. The first heat pump system, the second heat pump system and the water tank 21 form a first refrigerant loop, wherein a refrigerant flow path in the first refrigerant loop is a first evaporator 3, a first compressor 1, a first condenser 2, a water tank 21, a second evaporator 7, a second compressor 5, a second condenser 6, a second throttling device 8, a second evaporator 7, a first condenser 2, a first throttling device 4 and a first evaporator 3. The fourth heat pump system, the fifth heat pump system and the water tank 21 form a third refrigerant loop, wherein the refrigerant flow path in the third refrigerant loop is a fourth evaporator 15, a fourth compressor 13, a fourth condenser 14, a water tank 21, a fifth evaporator 19, a fifth compressor 17, a fifth condenser 18, a fifth throttling device 20, a fifth evaporator 19, a fourth condenser 14, a fourth throttling device 16 and a fourth evaporator 15. In the present application, the water tank 21 is provided between the first heat pump system and the second heat pump system, so that the second heat pump system can absorb heat from the first heat pump system, and the temperature of the gas flowing through the second condenser 6 can be increased. A water tank 21 is also provided between the fourth and fifth heat pump systems so that the fifth heat pump system can absorb heat from the fourth heat pump system and thus can raise the temperature of the gas flowing through the fifth condenser 18.
It should be noted that, in other embodiments, the setting of the third heat pump system is not necessary, and/or the setting of the fourth heat pump system is not necessary, and/or the setting of the fifth heat pump system is not necessary, and those skilled in the art may select as needed. When the heat pump dehumidification system does not comprise the third heat pump system, the outlet side of the regeneration system is a first rotating wheel, and the outlet side of a second rotating wheel in the regeneration system is a second condensation system. When the heat pump dehumidification system does not comprise the fifth heat pump system, the refrigerant flow path in the third refrigerant loop is the fourth evaporator 15, the fourth compressor 13, the fourth condenser 14, the fourth throttling device 16 and the fourth evaporator 15. When the heat pump dehumidification system does not comprise the fourth heat pump system, the refrigerant flow path in the third refrigerant loop is the fifth evaporator 19, the fifth compressor 17, the fifth condenser 18, the fifth throttling device 20 and the fifth evaporator 19. When the heat pump dehumidification system does not comprise the fourth heat pump system and the fifth heat pump system, the heat pump dehumidification system does not comprise the third refrigerant loop.
Referring again to fig. 1, the first rotary wheel 22, the first evaporator 3, the fourth evaporator 15, the second rotary wheel 23 and the drying room 24 are sequentially connected in the gas flow direction to form a dehumidifying system, so that fresh air can be dehumidified, and the second rotary wheel 22, the third condenser 10, the second condenser 6, the fifth condenser 18, the first rotary wheel 22 and the third evaporator 11 are sequentially connected in the gas flow direction to form a regenerating system, so that the dehumidifying capability of the first rotary wheel can be reset. The air flow path in the dehumidifying system is outdoor fresh air, the first rotating wheel 22, the first evaporator 3, the fourth evaporator 15, the second rotating wheel 22 and the drying room 24. The gas flow path in the regeneration system is the outlet side of the fourth evaporator 15 in the dehumidification system, the second runner 22, the third condenser 10, the second condenser 6, the fifth condenser 18, the first runner 22, the third evaporator 11 and exhaust air. Wherein the outlet side of the fourth evaporator 15 is connected to the inlet side of the regeneration system. In the application, after primary dehumidification is carried out on outdoor fresh air through the first rotating wheel 22, the outdoor fresh air is cooled by the first evaporator 3 and the fourth evaporator 15 in turn, a part of air is subjected to secondary dehumidification through the second rotating wheel 23, then the air is sent into the drying room 24 for drying treatment on products or equipment, the other part of the air is converged with return air of the drying room 24 to form mixed air after passing through the second rotating wheel 23, and the mixed air sequentially passes through the third condenser 10 and the second condenser 6 and the high-temperature exhaust air formed after passing through the fifth condenser 18 heats the first rotating wheel 22 so as to reset the dehumidification capacity of the first rotating wheel 22. The temperature of the mixed wind passing through the first rotary wheel 22 is reduced, and the mixed wind is cooled by the third evaporator 11 and discharged. Outdoor fresh air is cooled through the evaporator for two times, so that the dehumidification efficiency of the fresh air is improved. And the mixed air is subjected to step condensation of the three condensers, so that the energy efficiency and the stability of the whole dehumidification system are greatly improved. And finally, the mixed air provides higher evaporation temperature for the third heat pump system, and the energy efficiency of the third heat pump system is improved again.
In order to intuitively understand the change in the gas temperature during the gas flow, the gas temperature at the inlet side of the first evaporator 3 is 30 ℃, the temperature of the mixed air at the inlet side of the third condenser 10 is 45 ℃, the gas temperature at the inlet side of the second condenser 6 is 65 ℃, the gas temperature at the inlet side of the fifth condenser 18 is 95 ℃, the gas temperature at the outlet side is 120 ℃, and the gas temperature at the inlet side of the third evaporator 11 is 50 ℃ will be described as an example. The outdoor fresh air is dehumidified once by the first rotating wheel 22, then the temperature reaches 30 ℃, and is cooled by the first evaporator 3 and the fourth evaporator 15 in turn, one part of the outdoor fresh air is dehumidified twice by the second rotating wheel 23, then the outdoor fresh air is sent into the drying room 24 for drying treatment of products or equipment, the other part of the outdoor fresh air is converged with return air of the drying room 24 to form mixed air at 45 ℃ after passing through the second rotating wheel 23, the mixed air reaches 65 ℃ after being heated by the third condenser 10, the mixed air is heated to 90 ℃ after passing through the second condenser 6, and finally the first rotating wheel 22 is heated by high-temperature exhaust air at 120 ℃ through the fifth condenser 18, so that the dehumidification capacity of the first rotating wheel 22 is reset. The temperature of the mixed wind passing through the first rotary wheel 22 is reduced to 50C, and is cooled and discharged through the third evaporator 11.
When the heat pump dehumidification system does not include the fourth heat pump system, the air flow path in the dehumidification system is outdoor fresh air, the first rotating wheel 22, the first evaporator 3, the second rotating wheel 23 and the drying room. When the heat pump dehumidification system does not comprise the fifth heat pump system, the gas flow path in the regeneration system is the outlet side of the fourth evaporator in the dehumidification system, the second rotating wheel 23, the third condenser 10, the second condenser 6, the first rotating wheel 22, the third evaporator 11 and exhaust air. When the heat pump dehumidification system does not comprise the fourth heat pump system and the fifth heat pump system, the gas flow path in the dehumidification system is outdoor fresh air, the first rotating wheel 22, the first evaporator 3 and the second rotating wheel 23, and the gas flow path in the regeneration system is the outlet side of the first evaporator, the second rotating wheel 23, the second condenser 6, the first rotating wheel 22 and exhaust air.
The working principle of the heat pump dehumidification system of the application is as follows:
The outdoor fresh air is dehumidified once through the first rotating wheel 22 and is cooled by the first evaporator 3 and the fourth evaporator 15 in turn, then a part of the outdoor fresh air is dehumidified twice through the second rotating wheel 23, and then is sent into the drying room 24 to dry products or equipment, the other part of the outdoor fresh air is converged with return air of the drying room 24 to form mixed air after passing through the second rotating wheel 23, and the mixed air is heated through the third condenser 10 and then is sequentially heated through the second condenser 6 and the fifth condenser 18 to form high-temperature exhaust air to heat the first rotating wheel 22 so as to reset the dehumidification capacity of the first rotating wheel 22. The temperature of the gas is reduced after passing through the first rotary wheel 22, and the gas is cooled and discharged after passing through the third evaporator 11.
The first heat pump system can heat the refrigerant in the water tank 21 to supply a heat source to the second heat pump system and raise the evaporation temperature of the second evaporator 7, thereby raising the temperature of the gas flowing through the second condenser 6. The fourth heat pump system can heat the refrigerant in the water tank 21 to provide a heat source for the fifth heat pump system and raise the evaporation temperature of the fifth evaporator 19, so that the temperature of the gas flowing through the fifth condenser 18 can be raised, and the first rotor 22 can be heated, thereby ensuring the dehumidification effect of the first rotor 22.
The water tank can be a water fluorine heat exchanger, and the first heat pump system and the fourth heat pump system can heat water in the water tank, so that heat sources are provided for the second heat pump system and the fifth heat pump system.
In addition, the invention also provides a dehumidification device, which comprises the heat pump dehumidification system in any embodiment.
Those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the claims of the present application, any of the claimed embodiments may be used in any combination.
Thus far, the technical solution of the present application has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present application is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present application, and such modifications and substitutions will fall within the scope of the present application.
Claims (10)
1. A heat pump dehumidification system, characterized in that the heat pump dehumidification system comprises a first heat pump system, a second heat pump system, a water tank, a first rotating wheel and a second rotating wheel;
the first heat pump system comprises a first compressor, a first condenser and a first evaporator, the second heat pump system comprises a second compressor, a second condenser and a second evaporator, and a first refrigerant loop is formed by the first evaporator, the first compressor, the first condenser, the water tank, the second evaporator, the second compressor, the second condenser, the second evaporator, the first condenser and the first evaporator according to the flowing direction of a refrigerant;
the first rotating wheel, the first evaporator and the second rotating wheel are sequentially connected along the gas flow direction to form a dehumidification system, and the second rotating wheel, the second condenser and the first rotating wheel are sequentially connected along the gas flow direction to form a regeneration system.
2. The heat pump dehumidification system of claim 1, further comprising a third heat pump system comprising a third compressor, a third condenser, and a third evaporator, wherein the third evaporator, the third compressor, the third condenser, and the third evaporator form a second refrigerant loop according to a refrigerant flow direction;
the third condenser is disposed on an inlet side of the regeneration system and the third evaporator is disposed on an outlet side of the regeneration system.
3. The heat pump dehumidification system of claim 2, further comprising a third throttling device disposed in the second refrigerant circuit between the third evaporator and the third condenser, and the third throttling device is disposed in parallel with the third compressor.
4. A heat pump dehumidification system according to claim 3, wherein the third throttling means is a third electronic expansion valve, a third thermal expansion valve or a third capillary tube.
5. The heat pump dehumidification system of claim 1, further comprising a fourth heat pump system;
the fourth heat pump system comprises a fourth compressor, a fourth condenser and a fourth evaporator;
The fourth evaporator, the fourth compressor, the fourth condenser and the fourth evaporator form a third refrigerant loop according to the flowing direction of the refrigerant;
the fourth evaporator is arranged between the first evaporator and the second rotating wheel in the dehumidification system.
6. The heat pump dehumidification system of claim 5, further comprising a fourth throttling device disposed in the third refrigerant circuit between the fourth evaporator and the fourth condenser, and the fourth throttling device is disposed in parallel with the fourth compressor.
7. The heat pump dehumidification system of claim 6, wherein the fourth throttling device is a fourth electronic expansion valve, a fourth thermal expansion valve, or a fourth capillary tube.
8. The heat pump dehumidification system of claim 5, further comprising a fifth heat pump system;
the fifth heat pump system comprises a fifth compressor, a fifth condenser and a fifth evaporator;
The fourth evaporator, the fourth compressor, the fourth condenser, the fifth evaporator, the fifth compressor, the fifth condenser, the fifth evaporator, the fourth condenser and the fourth evaporator form a fourth refrigerant loop according to the flowing direction of the refrigerant;
The fifth condenser is disposed in the regeneration system between the second condenser and the second runner.
9. The heat pump dehumidification system of claim 8, further comprising a fifth throttle device disposed between the fourth evaporator and the fifth condenser in the fourth refrigerant meeting, and the fifth throttle device is disposed in parallel with the fifth compressor.
10. The heat pump dehumidification system of claim 9, wherein the fifth throttling device is a fifth electronic expansion valve, a fifth thermal expansion valve, or a fifth capillary tube.
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| CN202310798936.2A CN119222818B (en) | 2023-06-30 | 2023-06-30 | Heat pump dehumidification system and dehumidification equipment |
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| CN202310798936.2A CN119222818B (en) | 2023-06-30 | 2023-06-30 | Heat pump dehumidification system and dehumidification equipment |
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| CN201364008Y (en) * | 2009-03-02 | 2009-12-16 | 东莞市康源节能科技有限公司 | Temperature-adjustable air source heat pump dehumidification drying equipment |
| US20140190194A1 (en) * | 2013-01-10 | 2014-07-10 | Abdullah Alabdulkarem | Fluid system for hot and humid climates |
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| CN116336795A (en) * | 2023-03-10 | 2023-06-27 | 杭州新选择教育科技有限公司 | An energy-efficient dehumidification method with internal energy transfer via a dual compression system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201364008Y (en) * | 2009-03-02 | 2009-12-16 | 东莞市康源节能科技有限公司 | Temperature-adjustable air source heat pump dehumidification drying equipment |
| US20140190194A1 (en) * | 2013-01-10 | 2014-07-10 | Abdullah Alabdulkarem | Fluid system for hot and humid climates |
| CN110375395A (en) * | 2019-08-13 | 2019-10-25 | 河南中瑞制冷科技有限公司 | Industrial combined type depth dehumidification system |
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