CN220338701U - System for recovering latent heat of exhaust gas of refrigeration system - Google Patents
System for recovering latent heat of exhaust gas of refrigeration system Download PDFInfo
- Publication number
- CN220338701U CN220338701U CN202321868837.9U CN202321868837U CN220338701U CN 220338701 U CN220338701 U CN 220338701U CN 202321868837 U CN202321868837 U CN 202321868837U CN 220338701 U CN220338701 U CN 220338701U
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- latent heat
- working medium
- refrigeration
- medium side
- thermosiphon
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000011084 recovery Methods 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 description 13
- 230000008020 evaporation Effects 0.000 description 13
- 238000001816 cooling Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a system for recovering latent heat of exhaust gas of a refrigerating system, which comprises an evaporator, a refrigerating compressor, an evaporative condenser, a latent heat recoverer and a thermosiphon liquid storage, wherein a working medium side of the evaporator, the refrigerating compressor, the working medium side of the evaporative condenser and the thermosiphon liquid storage are sequentially connected through working medium pipes to form a closed loop, the working medium side of the latent heat recoverer is respectively connected with the refrigerating compressor and the thermosiphon liquid storage through the latent heat recoverer, and a water side of the latent heat recoverer is connected with a heat recovery water tank through a hot water pipe to form the closed loop. The utility model can receive a part of gas (steam) discharged by the refrigeration compressor through arranging the latent heat recoverer, the gas discharged by the refrigeration compressor can be input into the working medium side of the latent heat recoverer, and then the water is input into the water quality side of the latent heat recoverer to absorb the heat of the gas in the working medium side, so that on one hand, the latent heat of the gas discharged by the refrigeration compressor can be recovered, and on the other hand, the hot water can be obtained by utilizing the latent heat.
Description
Technical Field
The utility model relates to the technical field of refrigeration systems, in particular to a system for recovering latent heat of exhaust gas of a refrigeration system.
Background
The refrigeration principle compressor of a general refrigerator has the function of compressing vapor with lower pressure into vapor with higher pressure, so that the volume of the vapor is reduced and the pressure is increased. The compressor sucks working medium steam with lower pressure from the evaporator, the working medium steam is sent to the evaporation condenser after the pressure of the working medium steam is increased, the working medium steam is condensed into liquid with higher pressure in the evaporation condenser, the liquid is sent to the evaporator after being throttled by the throttle valve and becomes liquid with lower pressure, the liquid absorbs heat and is evaporated in the evaporator to become steam with lower pressure, and the steam is sent to an inlet of the compressor, so that the refrigeration cycle is completed.
At present, the refrigerating system is cooled through the evaporative condenser, but the evaporative condenser is used for cooling, so that the exhaust latent heat can be wasted, a large amount of power consumption is needed, and in order to improve the energy structure, protect the environment and realize the sustainable development of the economy and society, the application provides a heat recovery system for the latent heat of the refrigerating system, the comprehensive utilization of energy can be realized, and the refrigerating system is optimized.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a system for recovering the latent heat of exhaust gas of a refrigerating system, which can recover the latent heat of a gas working medium.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a system for retrieving refrigerating system exhaust latent heat, includes evaporimeter, refrigeration compressor, evaporative condenser, latent heat recoverer and thermosiphon cistern, working medium side, refrigeration compressor, evaporative condenser's working medium side and thermosiphon cistern pass through the working medium pipe and connect in order and form closed loop, the working medium side of latent heat recoverer passes through the latent heat recovery pipe and is connected with refrigeration compressor and thermosiphon cistern respectively, the water side of latent heat recoverer passes through the hot-water line with the heat recovery water tank and connects and form closed loop.
Further, a return pipe is arranged on the thermosiphon liquid receiver, and the other end of the return pipe is connected with a working medium side inlet of the evaporation condenser.
Further, a first flow dividing valve is arranged on the return pipe, and two output ends of the first flow dividing valve are respectively connected with a working medium side inlet of the evaporation condenser and a working medium inlet of the latent heat recoverer.
Further, a water pump is arranged on the hot water pipe.
Further, a power shaft of the refrigeration compressor is externally connected with a motor through a coupling.
Further, a throttle valve is arranged on a working medium pipe between the thermosiphon liquid receiver and the working medium side of the evaporator.
Further, an exhaust port of the refrigeration compressor is provided with a second flow dividing valve, and two output ends of the second flow dividing valve are respectively connected with the latent heat recoverer and the evaporative condenser through a latent heat recovery pipe and a working medium pipe.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
the utility model receives a part of gas (steam) discharged by the refrigeration compressor through arranging the latent heat recoverer, the gas discharged by the refrigeration compressor is input into the working medium side of the latent heat recoverer, and then water is input into the water quality side of the latent heat recoverer to absorb the heat of the gas in the working medium side, so that on one hand, the latent heat of the gas discharged by the refrigeration compressor can be recovered, and on the other hand, the hot water can be obtained by utilizing the latent heat;
the utility model guides the vapor which is not completely cooled and liquefied in the thermosiphon liquid storage into the evaporation condenser or the latent heat recoverer for cooling by arranging the return pipe, and the gas flow discharged from the refrigeration compressor to the evaporation condenser or the latent heat recoverer can be regulated by the second flow dividing valve, and the gas flow guided from the return pipe to the evaporation condenser or the latent heat recoverer can be regulated by the first flow dividing valve.
The utility model will now be described in detail with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic diagram of a connection structure according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. an evaporator; 2. a refrigeration compressor; 21. a coupling; 22. a motor; 3. an evaporative condenser; 4. a latent heat recoverer; 41. a latent heat recovery tube; 5. a thermosiphon reservoir; 51. a return pipe; 6. a working medium pipe; 7. a heat recovery water tank; 71. a hot water pipe; 72. a water pump; 8. a throttle valve; 91. a first diverter valve; 92. and a second shunt valve.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1, a system for recovering latent heat of exhaust gas of a refrigeration system comprises an evaporator 1, a refrigeration compressor 2, an evaporation condenser 3, a latent heat recoverer 4 and a thermosiphon liquid receiver 5, wherein a working medium side of the evaporator 1, the refrigeration compressor 2, a working medium side of the evaporation condenser 3 and the thermosiphon liquid receiver 5 are sequentially connected through a working medium pipe 6 to form a closed loop, the working medium side of the latent heat recoverer 4 is respectively connected with the refrigeration compressor 2 and the thermosiphon liquid receiver 5 through a latent heat recovery pipe 41, and a water side of the latent heat recoverer 4 is connected with a heat recovery water tank 7 through a hot water pipe 71 to form the closed loop.
As an embodiment, the thermosiphon liquid receiver 5 is provided with a return pipe 51, the other end of the return pipe 51 is connected with the working medium side inlet of the evaporative condenser 3, and the gas working medium which is not cooled in the thermosiphon liquid receiver 5 is input into the working medium side of the evaporative condenser 3 for re-cooling through the return pipe 51;
as another embodiment, the return pipe 51 is provided with a first diverter valve 91, two output ends of the first diverter valve 91 are respectively connected with the working medium side inlet of the evaporation condenser 3 and the working medium inlet of the latent heat recoverer 4, the gas working medium which is not cooled completely in the thermosiphon liquid receiver 5 can be respectively input into the working medium side of the evaporation condenser 3 and the working medium side of the latent heat recoverer 4 through the first diverter valve 91, and the diversion flow can be adjusted through the first diverter valve 91 according to the requirement.
As another embodiment, the hot water pipe 71 is provided with a water pump 72, and the water pump 72 is used for pumping water in the heat recovery water tank 7 into the water side of the latent heat recoverer 4, and then flows into the heat recovery water tank 7 for circulation.
As another embodiment, the power shaft of the refrigeration compressor 2 is externally connected with a motor 22 through a coupling 21.
As a further embodiment, a throttle valve 8 is arranged on the working medium pipe 6 between the thermosiphon reservoir 5 and the working medium side of the evaporator 1.
As another embodiment, the exhaust port of the refrigeration compressor 2 is provided with a second diverter valve 92, two output ends of the second diverter valve 92 are respectively connected with the latent heat recoverer 4 and the evaporative condenser 3 through the latent heat recovery pipe 41 and the working medium pipe 6, and the medium flow rate input into the evaporative condenser 3 and the latent heat recoverer 4 can be adjusted through the second diverter valve 92 according to the requirement.
The working principle of the utility model is as follows:
the liquid working medium in the thermosiphon liquid storage 5 is input into the working medium side of the evaporator 1 through the working medium pipe 6, and after the liquid working medium exchanges heat with the external gas in the working medium side of the evaporator 1, the liquid working medium is gasified and absorbs heat, so as to achieve the refrigeration effect and obtain the gas working medium;
the gas working medium in the working medium side of the evaporator 1 is input into the refrigeration compressor 2 through the working medium pipe 6, the air pressure of the working medium gas is increased through the refrigeration compressor 2, the pressurized gas working medium is respectively input into the working medium side of the evaporation condenser 3 and the working medium side of the latent heat recoverer 4 through the working medium pipe 6 and the latent heat recovery pipe 41, a part of the gas working medium cooling liquid is cooled into a liquid working medium through the evaporation condenser 3, and the liquid working medium is conveyed into the thermosiphon liquid receiver 5 through the working medium pipe 6;
the water pump 72 pumps the water in the hot water recovery water tank 7 to the water side of the latent heat recoverer 4, the water in the water side absorbs the heat of the gas working medium, heats the gas working medium into hot water, and conveys the hot water into the hot water recovery tank 7 to form circulation, the gas working medium loses heat liquefaction in the latent heat recoverer 4, and the liquid working medium is conveyed into the thermosiphon liquid receiver 5 through the latent heat recovery pipe 41;
the gas working medium which is not completely cooled and liquefied in the thermosiphon liquid receiver 5 is respectively input into the working medium side of the evaporative condenser 3 and the working medium of the latent heat recoverer 4 through the return pipe 51 so as to be cooled again. The liquid working medium of the thermosiphon liquid reservoir 5 is fed into the working medium side of the evaporator 1 via the working medium pipe 6, forming a cycle.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (7)
1. The utility model provides a retrieve system of refrigerating system exhaust latent heat, its characterized in that includes evaporimeter (1), refrigeration compressor (2), evaporative condenser (3), latent heat recoverer (4) and thermosiphon receiver (5), working medium side, refrigeration compressor (2), evaporative condenser (3) working medium side and thermosiphon receiver (5) are connected in order through working medium pipe (6) and are formed closed loop, the working medium side of latent heat recoverer (4) is connected with refrigeration compressor (2) and thermosiphon receiver (5) respectively through latent heat recovery pipe (41), the water side of latent heat recoverer (4) is connected with heat recovery water tank (7) through hot water pipe (71) and is formed closed loop.
2. A system for recovering latent heat of exhaust of a refrigeration system according to claim 1, characterized in that a return pipe (51) is provided on the thermosiphon liquid receiver (5), the other end of the return pipe (51) being connected to the working medium side inlet of the evaporative condenser (3).
3. A system for recovering latent heat of exhaust of a refrigeration system according to claim 2, characterized in that the return pipe (51) is provided with a first diverter valve (91), and that two output ends of the first diverter valve (91) are connected to the working medium side inlet of the evaporative condenser (3) and the working medium inlet of the latent heat recoverer (4), respectively.
4. A system for recovering latent heat of exhaust of a refrigeration system according to claim 1, characterized in that a water pump (72) is provided on the hot water pipe (71).
5. A system for recovering latent heat of exhaust of a refrigeration system according to claim 1, characterized in that the power shaft of the refrigeration compressor (2) is externally connected with a motor (22) through a coupling (21).
6. A system for recovering latent heat of discharge of a refrigeration system according to claim 1, characterized in that a throttle valve (8) is arranged on the working medium pipe (6) between the thermosiphon liquid receiver (5) and the working medium side of the evaporator (1).
7. System for recovering latent heat of exhaust of a refrigeration system according to claim 1, characterized in that the exhaust of the refrigeration compressor (2) is provided with a second diverter valve (92), the two outputs of the second diverter valve (92) being connected to the latent heat recoverer (4) and the evaporative condenser (3) respectively by means of a latent heat recovery tube (41) and a working medium tube (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321868837.9U CN220338701U (en) | 2023-07-17 | 2023-07-17 | System for recovering latent heat of exhaust gas of refrigeration system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321868837.9U CN220338701U (en) | 2023-07-17 | 2023-07-17 | System for recovering latent heat of exhaust gas of refrigeration system |
Publications (1)
Publication Number | Publication Date |
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CN220338701U true CN220338701U (en) | 2024-01-12 |
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CN202321868837.9U Active CN220338701U (en) | 2023-07-17 | 2023-07-17 | System for recovering latent heat of exhaust gas of refrigeration system |
Country Status (1)
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CN (1) | CN220338701U (en) |
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2023
- 2023-07-17 CN CN202321868837.9U patent/CN220338701U/en active Active
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