CN220965462U - Waste heat recovery system and data center - Google Patents
Waste heat recovery system and data center Download PDFInfo
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- CN220965462U CN220965462U CN202322478404.9U CN202322478404U CN220965462U CN 220965462 U CN220965462 U CN 220965462U CN 202322478404 U CN202322478404 U CN 202322478404U CN 220965462 U CN220965462 U CN 220965462U
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- 238000011084 recovery Methods 0.000 title claims abstract description 115
- 239000002918 waste heat Substances 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 238000005338 heat storage Methods 0.000 claims description 34
- 238000005192 partition Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000005494 condensation Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000005339 levitation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses a waste heat recovery system and a data center, wherein the waste heat recovery system comprises a cold source, a machine room and a recovery assembly, the machine room comprises a first area and a second area, a heat exchanger is further arranged in the first area and is communicated with a first return air inlet, and the heat exchanger is provided with an inlet and an outlet; the inlet and the outlet are connected with the recovery component pipeline, working media are circulated between the recovery component and the inlet and between the recovery component and the outlet, so that the heat generated by a machine room can be recovered and reused by utilizing the cooperation of the recovery component and the heat exchanger, the energy waste is avoided, and the energy utilization rate of a data center applying the waste heat recovery system is improved.
Description
Technical Field
The utility model relates to the technical field of heat recovery, in particular to a waste heat recovery system and a data center.
Background
In recent years, with the rapid development of novel technologies such as 5G mobile communication, internet, cloud computing, big data, internet of things, AR/VR and artificial intelligence, a data center is used as a user with a larger energy use scale, more heat can be generated in the operation process, and the operation efficiency of the data center can be affected by heat aggregation. Servers in data centers generate large amounts of heat during operation, which is typically brought to the outdoor environment by means of air conditioning cooling.
Common cooling includes a water cooling system, an indirect evaporative cooling system, a liquid cooling system, a magnetic suspension phase change multi-system, an air cooling direct expansion system and the like. At present, if a waste heat recovery technology is adopted in a data center, waste heat recovery of a water cooling and liquid cooling system is still mainly adopted, or condensation heat recovery of exhaust gas of a compressor is adopted.
For an indirect evaporative cooling system, because the compressor is positioned behind the heat exchange core body, the condensation heat recovery efficiency is too low, and the system control switching is complex, no landable solution and mature technology are available for the waste heat recovery of the indirect evaporative cooling system, and therefore, a mature solution is urgently needed to solve the problem of waste of a large amount of waste heat generated by the evaporative cooling system by reference.
Disclosure of utility model
The utility model aims to provide a novel technical scheme of a waste heat recovery system and a data center.
According to one aspect of the present utility model, a waste heat recovery system is provided.
The waste heat recovery system includes:
The cold source is provided with a first air outlet and a first air return opening;
The machine room comprises a first area and a second area, wherein the first area is positioned above the second area, the first area is communicated with the second area, and the second area is communicated with the first air outlet, so that the cooling source can blow and cool the server in the second area;
A heat exchanger is further arranged in the first area and communicated with the first return air inlet, and the heat exchanger is provided with an inlet and an outlet;
The recovery assembly is used for recovering heat of the machine room.
Optionally, the recovery assembly includes a compressor, a condenser, and a heat reservoir, wherein the outlet of the heat exchanger is connected to the compressor line, the inlet of the heat exchanger is connected to the condenser line, and the heat reservoir is connected to the condenser.
Optionally, the heat reservoir is a heat storage tank, the condenser is located in the heat storage tank, and liquid flows through the heat storage tank.
Optionally, the heat exchanger is a micro-channel heat exchanger, and the micro-channel heat exchanger is connected with the recycling component pipeline.
Optionally, the micro-channel heat exchanger further comprises a fan, wherein the fan is arranged on the inlet side of the micro-channel heat exchanger.
Optionally, the recovery assembly includes a water source heat pump unit, a first water pump and a heat reservoir, the water source heat pump unit includes an evaporator and a condenser, the outlet of the heat exchanger is connected with the first water pump pipeline, the inlet of the heat exchanger is connected with the evaporator pipeline, and the heat reservoir is connected with the condenser pipeline.
Optionally, the heat reservoir is a heat storage tank, the recovery assembly further comprises a second water pump, an inlet of the heat storage tank is connected with an outlet pipeline of the condenser, the second water pump is connected between an outlet of the heat storage tank and an inlet of the condenser, and liquid flows into the heat storage tank.
Optionally, the heat exchanger is a tubular heat exchanger, and the tubular heat exchanger is connected with the recovery component pipeline.
Optionally, the machine room comprises a suspended ceiling and a partition wall, the suspended ceiling divides the machine room into the first area and the second area, the partition wall is located in the first area, the partition wall divides the first area into a return air area and a heat recovery area, and the heat exchanger is located in the heat recovery area.
Optionally, a second air outlet is formed in the partition wall, one end of the heat exchanger is communicated with the second air outlet, and the other end of the heat exchanger faces the first air return opening.
Optionally, an electric valve is further disposed on the partition wall, the electric valve is staggered with the second air outlet, and the open-close state of the electric valve is opposite to the open-close state of the second air outlet.
According to yet another aspect of the present utility model, there is provided a data center including the above-described waste heat recovery system.
The waste heat recovery system comprises a cold source, a machine room and a recovery assembly, wherein the machine room comprises a first area and a second area, a heat exchanger is further arranged in the first area and is communicated with the first return air inlet, and the heat exchanger is provided with an inlet and an outlet;
The inlet and the outlet are connected with the recovery component pipeline, working media are circulated between the recovery component and the inlet and between the recovery component and the outlet, so that the heat generated by a machine room can be recovered and reused by utilizing the cooperation of the recovery component and the heat exchanger, the energy waste is avoided, and the energy utilization rate of a data center applying the waste heat recovery system is improved.
Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
FIG. 1 is a schematic diagram of a waste heat recovery system according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of another waste heat recovery system according to an embodiment of the present utility model;
Fig. 3 is a schematic diagram of a machine room according to an embodiment of the present utility model.
Reference numerals illustrate:
1. A cold source; 11. a first air outlet; 12. a first return air inlet; 2. a machine room; 21. a first region; 22. a second region; 23. a heat exchanger; 24. suspended ceiling; 25. partition walls; 251. a second air outlet; 252. an electric valve; 3. a recovery assembly; 31. a compressor; 32. a condenser; 33. a heat reservoir; 34. a water source heat pump unit; 35. a first water pump; 36. a second water pump; 4. a blower.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
The utility model provides a waste heat recovery system which can be used in a data center, and can be used for recycling generated heat in the refrigerating process of the data center, so that energy waste is avoided, and the energy utilization rate of the data center using the waste heat recovery system is improved.
As shown in fig. 1 and fig. 2, the waste heat recovery system provided in the embodiment of the present utility model includes:
a cold source 1, wherein the cold source 1 is provided with a first air outlet 11 and a first air return 12;
The machine room 2 comprises a first area 21 and a second area 22, wherein the first area 21 is positioned above the second area 22, the first area 21 is communicated with the second area 22, and the second area 22 is communicated with the first air outlet 11, so that the cold source 1 can blow and cool a server in the second area 22;
a heat exchanger 23 is also arranged in the first area 21, the heat exchanger 23 is communicated with the first air return port 12, and the heat exchanger 23 is provided with an inlet and an outlet;
The recovery assembly 3, the import with the export all with recovery assembly 3 pipeline links to each other, recovery assembly 3 with between the import, recovery assembly 3 with all circulate between the export and have working medium, recovery assembly 3 is used for retrieving the heat of computer lab 2.
As shown in fig. 1 and fig. 2, the cold source 1 is used for blowing and refrigerating the servers in the machine room 2 so as to adjust the working temperature of the machine room 2 and ensure that the servers in the machine room 2 can work normally. Specifically, the cold source 1 is provided with a first air outlet 11 and a first air return opening 12, the cold source 1 can blow and cool to a server in the machine room 2 through the first air outlet 11, and the air after heat exchange can flow back into the cold source 1 through the first air return opening 12, so that the circulation of the air can be realized.
As shown in fig. 1 and 2, the machine room 2 provided by the embodiment of the present utility model may include a first area 21 and a second area 22, that is, the machine room 2 may be composed of two areas. The first area 21 is located above the second area 22, that is, the first area 21 is located above, the second area 22 is located below, and the first area 21 and the second area 22 are stacked. And, the first area 21 is communicated with the second area 22, and the second area 22 is communicated with the first air outlet 11, so that the cold source 1 can blow and cool the server in the second area 22 through the first air outlet 11, namely, heat exchange is performed, and hot air after heat exchange with the server can rise and flow back into the cold source 1 from the first area 21.
As shown in fig. 1 and 2, a heat exchanger 23 is further disposed in the first area 21 in the embodiment of the present utility model, and a working medium, such as freon, water, etc., flows into the heat exchanger 23, and the heat exchanger 23 is used for performing heat exchange with the hot air in the first area 21. The heat exchanger 23 is communicated with the first air return port 12, so that the air subjected to heat exchange can flow back into the cold source 1 through the first air return port 12, and the circulation of the air can be realized. The number of the heat exchangers 23 may be plural, and the plural heat exchangers 23 are arranged in parallel, so that the heat exchange effect can be improved.
As shown in fig. 1 and 2, the waste heat recovery system according to the embodiment of the present utility model further includes a recovery component 3, where the recovery component 3 can cooperate with the heat exchanger 23 to recover and reuse the heat generated by the machine room 2. For example, the heat can be used for heating or hot water supply, so that energy waste can be avoided, the energy utilization rate of a data center applying the waste heat recovery system is improved, and the sustainable development goal of response is also utilized. Wherein, the working state of the recovery assembly 3 can be adjusted by combining electricity price and demand so as to improve the economic adaptability of the waste heat recovery system.
In addition, the recovery component 3 in the waste heat recovery system can also be used as a standby cold source of the data center, can be used in place of the cold source 1, and improves the refrigeration reliability and stability of the data center applying the waste heat recovery system.
Specifically, the inlet of the heat exchanger 23 and the outlet of the heat exchanger 23 are connected with the pipeline of the recovery assembly 3, working media are circulated between the recovery assembly 3 and the inlet of the heat exchanger 23 and between the recovery assembly 3 and the outlet of the heat exchanger 23, so that the working media can circulate between the recovery assembly 3 and the heat exchanger 23, the recovery assembly 3 is convenient for continuously recovering the heat of the heat exchanger 23, and the recovery stability of the waste heat recovery system is improved.
Optionally, the recovery assembly 3 includes a compressor 31, a condenser 32 and a heat reservoir 33, the outlet of the heat exchanger 23 is connected to the compressor 31 via a pipeline, the inlet of the heat exchanger 23 is connected to the condenser 32 via a pipeline, and the heat reservoir 33 is connected to the condenser 32.
As shown in fig. 1, the recovery assembly 3 according to the embodiment of the present utility model may include a compressor 31, a condenser 32 and a heat reservoir 33, and the heat of the heat exchanger 23 can be continuously recovered by using the compressor 31, the condenser 32 and the heat reservoir 33, so that the recovery stability and the recovery efficiency of the waste heat recovery system are improved. The compressor 31 may be a magnetic levitation compressor, and the purpose of energy saving can be achieved by adopting an oil-free magnetic levitation compressor. The evaporators are distributed in different waste heat recovery rooms, so that the purpose of heat recovery in a distributed multi-connection mode can be achieved. The heat exchangers 23 in each waste heat recovery room are mainly in micro-channel form, so that the heat exchange efficiency of the heat exchangers 23 is improved, and the temperature stratification can be reduced.
Specifically, the outlet of the heat exchanger 23 is connected to a compressor 31, the inlet of the heat exchanger 23 is connected to a condenser 32, and the heat reservoir 33 is connected to the condenser 32. The working medium can flow from the outlet of the heat exchanger 23 to the condenser 32 through the pipeline and is condensed and cooled in the condenser 32, and the cooled working medium flows back to the inlet of the heat exchanger 23 through the pipeline, so that the circulation of the working medium can be formed.
The heat released by the working medium in the condensation process in the condenser 32 can be transferred to the connected heat reservoir 33, and the heat can be utilized by the heat reservoir 33, for example, heating air supply or hot water supply can be performed, so that energy waste can be avoided, and the energy utilization rate of the data center is improved.
Optionally, the heat reservoir 33 is a heat storage tank, and the condenser 32 is located in the heat storage tank, and the liquid flows through the heat storage tank.
Specifically, the heat storage device 33 provided by the embodiment of the utility model can be a heat storage tank, the condenser 32 is positioned in the heat storage tank, liquid flows through the heat storage tank, the liquid in the heat storage tank can be heated by heat released in the condensation process of the working medium in the condenser 32, and the heated liquid can be used as heating or water supply, so that energy waste can be avoided, and the energy utilization rate of the data center is improved.
Optionally, the heat exchanger 23 is a micro-channel heat exchanger, and the micro-channel heat exchanger is connected with the recycling assembly 3 through a pipeline.
Specifically, the heat exchanger 23 is set to be a micro-channel heat exchanger, and the arrangement of the micro-channel heat exchanger can improve the heat exchange energy of the heat exchanger 23 and reduce the energy consumption of the heat exchanger 23. The micro-channel heat exchanger is connected with the recycling component 3 through a pipeline, so that heat generated by the machine room 2 can be recycled by the micro-channel heat exchanger and the recycling component 3. In addition, the micro-channel heat exchanger is arranged to improve the heat exchange efficiency of the heat exchanger 23 and reduce temperature stratification.
Optionally, a fan 4 is further included, and the fan 4 is disposed at an inlet side of the microchannel heat exchanger.
As shown in fig. 1, in the embodiment of the utility model, the fan 4 is arranged at the inlet side of the micro-channel heat exchanger, so that the fan 4 and the micro-channel heat exchanger can form a wind wall together, thereby improving the convection efficiency of air at the heat exchanger 23 and improving the heat exchange effect of the heat exchanger 23.
Optionally, the recovery assembly 3 includes a water source heat pump unit 34, a first water pump 35 and a heat reservoir 33, the water source heat pump unit 34 includes an evaporator and a condenser, the outlet of the heat exchanger 23 is connected to the first water pump 35, the inlet of the heat exchanger 23 is connected to the evaporator, and the heat reservoir 33 is connected to the condenser.
As shown in fig. 2, the recovery assembly 3 provided by the embodiment of the utility model may further include a water source heat pump unit 34, a first water pump 35 and a heat reservoir 33, and the heat of the heat exchanger 23 can be continuously recovered by using the water source heat pump unit 34, the first water pump 35 and the heat reservoir 33, so that the recovery stability of the waste heat recovery system is improved, and the waste heat recovery system is convenient to adapt to the requirement of remote heat utilization.
Specifically, the water source heat pump unit 34 includes an evaporator and a condenser, an outlet of the heat exchanger 23 is connected to a first water pump 35, an inlet of the heat exchanger 23 is connected to the evaporator, and the heat reservoir 33 is connected to the condenser. The working medium can flow through the first water pump 35 from the outlet of the heat exchanger 23 to the condenser in the water source heat pump unit 34 through a pipeline, and is condensed and cooled in the condenser, and the cooled working medium is evaporated through the evaporator and flows back to the inlet of the heat exchanger 23, so that the circulation of the working medium can be formed.
In addition, the water source heat pump unit 34 comprises an evaporator and a condenser, that is, the water source heat pump unit 34 is of an integrated design, so that the overall size of the waste heat recovery system can be reduced, and the miniaturization development of the data center using the waste heat recovery system is facilitated.
The heat released by the working medium in the condensation process of the condenser 32 in the water source heat pump unit 34 can be transferred to the connected heat reservoir 33, and the heat can be utilized through the heat reservoir 33, for example, heating air supply or hot water supply is performed, so that energy waste can be avoided, and the energy utilization rate of the data center is improved.
Optionally, the heat reservoir 33 is a heat storage tank, the recovery assembly 3 further includes a second water pump 36, an inlet of the heat storage tank is connected to an outlet pipeline of the condenser, the second water pump 36 is connected between an outlet of the heat storage tank and an inlet of the condenser, and liquid flows into the heat storage tank.
As shown in fig. 2, the heat storage device 33 may be a heat storage tank, the recovery assembly 3 further includes a second water pump 36, an inlet of the heat storage tank is connected to an outlet pipeline of the condenser, the second water pump 36 is connected between an outlet of the heat storage tank and an inlet of the condenser, and liquid flows in the heat storage tank, so that working medium can be driven to flow between the heat storage tank and the condenser by using the second water pump 36. The heat released by the working medium in the condensation process in the condenser of the water source heat pump unit 34 can be transferred to the heat storage tank through the pipeline, and the liquid in the heat storage tank is heated, and the heated liquid can be used as heating or water supply, so that energy waste can be avoided, and the energy utilization rate of the data center is improved.
Alternatively, the heat exchanger 23 is a tubular heat exchanger, and the tubular heat exchanger is connected with the pipeline of the recovery assembly 3.
Specifically, the heat exchanger 23 may be a tube heat exchanger, where the flowing working medium may be cooling water. The tubular heat exchanger is connected with the recovery component 3 through a pipeline so as to recycle the heat generated by the machine room 2 by utilizing the tubular heat exchanger and the recovery component 3.
Optionally, the machine room 2 includes a ceiling 24 and a partition wall 25, the ceiling 24 divides the machine room 2 into the first area 21 and the second area 22, the partition wall 25 is located in the first area 21, the partition wall 25 divides the first area 21 into a return air area and a heat recovery area, and the heat exchanger 23 is located in the heat recovery area.
As shown in fig. 1 to 3, the machine room 2 provided in the embodiment of the present utility model may include a ceiling 24 and a partition wall 25, where the ceiling 24 divides the machine room 2 into a first area 21 and a second area 22 that are stacked, so that hot air after heat exchange with a server in the second area 22 can rise to the first area 21 through the ceiling 24 and flow back to the cold source 1, thereby realizing air circulation.
The partition wall 25 is located in the first area 21, the partition wall 25 is utilized to divide the first area 21 into a return air area and a heat recovery area, the heat exchanger 23 is located in the heat recovery area, the heat exchanger 23 can be connected with the recovery assembly 3 through pipeline arrangement, the heat exchanger 23 and the recovery assembly 3 are convenient to be matched, heat generated by the machine room 2 is recovered and reused, and the pipeline arrangement is also convenient.
In addition, the heat exchanger 23 is arranged in the heat recovery area, so that the maintenance and the replacement of the heat exchanger 23 are facilitated, the influence of the maintenance and the replacement of the heat exchanger 23 on the safe operation of the machine room 2 is reduced, and the reliability and the safety of the waste heat recovery system are improved.
In addition, the suspended ceiling 24 can also enable the first area 21 and the second area 22 to be mutually independent, pipelines in the first area 21 and pipelines in the second area 22 can be spatially isolated, the influence of water leakage of the pipelines in the first area 21 on a server in the second area 22 is avoided, the safe operation of the server is ensured, meanwhile, the operation of maintaining the pipelines in the first area 21 is facilitated, and the reliability and safety of the waste heat recovery system are improved.
Optionally, a second air outlet 251 is provided on the partition wall 25, one end of the heat exchanger 23 is communicated with the second air outlet 251, and the other end of the heat exchanger 23 faces the first air return 12.
As shown in fig. 1 and 2, in the embodiment of the present utility model, a second air outlet 251 is disposed on the partition wall 25, one end of the heat exchanger 23 is communicated with the second air outlet 251, and the other end of the heat exchanger 23 faces the first air return 12, so that hot air after heat exchange with a server in the second area 22 can rise to the first area 21 through the suspended ceiling 24, and flow to the heat exchanger 23 through the second air outlet 251 on the partition wall 25 for heat exchange, and the air after heat exchange can flow back to the cold source 1 through the hole on the wall and the first air return 12. Wherein, a return air pipeline can be arranged between the heat exchanger 23 and the second air outlet 251 so as to facilitate the circulation of air.
Optionally, an electric valve 252 is further disposed on the partition wall 25, the electric valve 252 is dislocated from the second air outlet 251, and the open/close state of the electric valve 252 is opposite to the open/close state of the second air outlet 251.
As shown in fig. 1 and 2, in the embodiment of the present utility model, an electric valve 252 is further disposed on the partition wall 25, and the electric valve 252 may be an electronic expansion valve, an electromagnetic valve, or the like. The electric valve 252 and the second air outlet 251 are arranged on the partition wall 25 in a staggered manner, and the open-close state of the electric valve 252 is opposite to the open-close state of the second air outlet 251.
Specifically, when the second air outlet 251 is closed, that is, the heat exchanger 23 does not work, the electric valve 252 is opened, so that return air can be ensured to directly flow back to the cold source 1 through the electric valve 252, the wind resistance influence of the heat exchanger 23 in the waste heat recovery system is reduced, normal refrigeration work of the cold source 1 can be ensured, and the refrigeration capacity of a data center applying the waste heat recovery system is also improved. And when the second air outlet 251 is opened, namely the heat exchanger 23 works, the electric valve 252 is closed, so that return air can be prevented from directly flowing back to the cold source 1 through the electric valve 252, the air inlet quantity of the heat exchanger 23 in the waste heat recovery system is ensured, and the heat accumulator 33 can be ensured to recover heat generated in the working process of the machine room 2.
The utility model also provides a data center which comprises the waste heat recovery system and has the technical effects that the waste heat recovery system can produce.
The foregoing embodiments mainly describe differences between the embodiments, and as long as there is no contradiction between different optimization features of the embodiments, the embodiments may be combined to form a better embodiment, and in consideration of brevity of line text, no further description is given here.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (12)
1. A waste heat recovery system, comprising:
A cold source (1), wherein the cold source (1) is provided with a first air outlet (11) and a first air return opening (12);
The machine room (2), the machine room (2) comprises a first area (21) and a second area (22), the first area (21) is located above the second area (22), the first area (21) is communicated with the second area (22), and the second area (22) is communicated with the first air outlet (11), so that the cold source (1) can blow and cool a server in the second area (22);
A heat exchanger (23) is further arranged in the first area (21), the heat exchanger (23) is communicated with the first air return port (12), and the heat exchanger (23) is provided with an inlet and an outlet;
Retrieve subassembly (3), the import with the export all with retrieve subassembly (3) pipeline links to each other, retrieve subassembly (3) with between the import, retrieve subassembly (3) with all circulate between the export and have working medium, retrieve subassembly (3) are used for retrieving the heat of computer lab (2).
2. Waste heat recovery system according to claim 1, characterized in that the recovery assembly (3) comprises a compressor (31), a condenser (32) and a heat reservoir (33), the outlet of the heat exchanger (23) being connected to the compressor (31) line, the inlet of the heat exchanger (23) being connected to the condenser (32) line, the heat reservoir (33) being connected to the condenser (32).
3. Waste heat recovery system according to claim 2, characterized in that the heat reservoir (33) is a heat storage tank, the condenser (32) being located in the heat storage tank, the heat storage tank being filled with a liquid.
4. Waste heat recovery system according to claim 2, characterized in that the heat exchanger (23) is a micro-channel heat exchanger, which is connected to the recovery assembly (3) line.
5. The waste heat recovery system of claim 4, further comprising a fan (4), the fan (4) being disposed on an inlet side of the microchannel heat exchanger.
6. Waste heat recovery system according to claim 1, characterized in that the recovery assembly (3) comprises a water source heat pump unit (34), a first water pump (35) and a heat reservoir (33), the water source heat pump unit (34) comprising an evaporator and a condenser, the outlet of the heat exchanger (23) being connected to the first water pump (35) line, the inlet of the heat exchanger (23) being connected to the evaporator line, the heat reservoir (33) being connected to the condenser line.
7. The waste heat recovery system according to claim 6, wherein the heat reservoir (33) is a heat storage tank, the recovery assembly (3) further comprises a second water pump (36), an inlet of the heat storage tank is connected to an outlet pipe of the condenser, the second water pump (36) is connected between an outlet of the heat storage tank and an inlet of the condenser, and liquid flows through the heat storage tank.
8. A waste heat recovery system according to claim 6 or 7, characterized in that the heat exchanger (23) is a tubular heat exchanger connected to the recovery assembly (3) line.
9. Waste heat recovery system according to claim 1, characterized in that the machine room (2) comprises a suspended ceiling (24) and a partition wall (25), the suspended ceiling (24) divides the machine room (2) into the first area (21) and the second area (22), the partition wall (25) is located in the first area (21), the partition wall (25) divides the first area (21) into a return air area and a heat recovery area, and the heat exchanger (23) is located in the heat recovery area.
10. Waste heat recovery system according to claim 9, characterized in that a second air outlet (251) is provided in the partition wall (25), one end of the heat exchanger (23) is in communication with the second air outlet (251), and the other end of the heat exchanger (23) is directed towards the first air return opening (12).
11. The waste heat recovery system according to claim 10, wherein an electrically operated valve (252) is further provided on the partition wall (25), the electrically operated valve (252) is dislocated from the second air outlet (251), and an open/close state of the electrically operated valve (252) is opposite to an open/close state of the second air outlet (251).
12. A data center comprising the waste heat recovery system of any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322478404.9U CN220965462U (en) | 2023-09-12 | 2023-09-12 | Waste heat recovery system and data center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322478404.9U CN220965462U (en) | 2023-09-12 | 2023-09-12 | Waste heat recovery system and data center |
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| Publication Number | Publication Date |
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| CN220965462U true CN220965462U (en) | 2024-05-14 |
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| CN202322478404.9U Active CN220965462U (en) | 2023-09-12 | 2023-09-12 | Waste heat recovery system and data center |
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| Country | Link |
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| CN (1) | CN220965462U (en) |
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- 2023-09-12 CN CN202322478404.9U patent/CN220965462U/en active Active
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