CN217636265U - Efficient air source heat pump hot water system based on building waste heat phase change recovery - Google Patents
Efficient air source heat pump hot water system based on building waste heat phase change recovery Download PDFInfo
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- CN217636265U CN217636265U CN202221399963.XU CN202221399963U CN217636265U CN 217636265 U CN217636265 U CN 217636265U CN 202221399963 U CN202221399963 U CN 202221399963U CN 217636265 U CN217636265 U CN 217636265U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The utility model relates to an air source heat pump hot-water heating system technical field just discloses a high-efficient air source heat pump hot-water heating system based on building waste heat phase transition is retrieved, including plate heat exchanger, last refrigerated water loop and the cooling water loop of installing of plate heat exchanger, one side of plate heat exchanger is provided with thermal-insulated shell, the utility model discloses a phase change material, and phase change material's phase transition temperature range is wide, consequently can utilize phase change material to make a round trip to retrieve the heat of the building inner district of winter, preheats the outdoor air that gets into air source heat pump set, improves the temperature of the air that gets into to improve air source heat pump set operation efficiency, maximum heating capacity and energy supply quality.
Description
Technical Field
The utility model relates to an air source heat pump hot water system technical field specifically is a high-efficient air source heat pump hot water system based on building waste heat phase transition is retrieved.
Background
Along with the development of economy and the increase of economic activities in China, the demand of urban buildings is more and more vigorous, the quantity of newly built buildings is more and more large, and the area in the buildings is increased. Because the inner zone is far away from the building outer wall, the influence of the outdoor environment to the indoor is smaller, various equipment, illumination and personnel of the inner zone continuously generate heat which is larger than the heat dissipation capacity of the inner zone, and the heat is accumulated to cause the rise of the indoor temperature. Therefore, in winter, the interior of the building still needs cooling. Large buildings such as high-grade office buildings, shopping malls, supermarket shopping malls, hotels and the like all exist in the building.
At present, effective utilization of energy is very important in all countries in the world, the energy utilization rate of some developed countries is over 50 percent, and the energy utilization rate of China is only about 30 percent. One important reason for the low energy utilization rate in China is that low-temperature waste heat energy is not fully utilized. Under the current double-carbon background, the building is the energy consumption head, so the waste heat of the building is needed to be recycled to improve the energy utilization rate.
The air source heat pump hot water system is the most efficient domestic hot water system and is widely applied to various places. However, air source heat pump hot water systems also suffer from deficiencies. The most remarkable one is that when the outdoor air temperature is low in winter, the system energy efficiency is low, and the energy utilization rate is reduced; meanwhile, the maximum heating capacity of the system is reduced, the required water outlet temperature cannot be achieved, and the energy supply quality cannot meet the requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient air source heat pump hot-water heating system based on building waste heat phase transition is retrieved possesses the advantage that improves air source heat pump set operation efficiency, maximum heating capacity and energy supply quality.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient air source heat pump hot-water heating system based on building waste heat phase transition is retrieved, includes plate heat exchanger, last refrigerated water loop and the cooling water loop of installing of plate heat exchanger, one side of plate heat exchanger is provided with thermal-insulated shell, install phase change heat accumulation layer one, phase change heat accumulation layer two, phase change heat accumulation layer three, phase change heat accumulation layer four, phase change heat accumulation layer five and phase change heat accumulation layer six in the thermal-insulated shell, air outlet has been seted up at the top of thermal-insulated shell, air inlet one and air inlet two have been seted up respectively to the both sides of thermal-insulated shell, the inside of thermal-insulated shell is equipped with support, air passageway one, air passageway two, air passageway three, air passageway four, the inside of thermal-insulated shell is provided with the compressor, the output of compressor is connected with the condenser, the other end of condenser is connected with the expansion valve, the other end of expansion valve is connected with air-cooled evaporator, the other end and the compressor of air-cooled evaporator are connected, install on the condenser with the hot water loop cooperation of using, this novel phase change heat pump material of air source heat recovery system that the heat energy efficiency of air source material gets into in the maximum temperature of air and improves the heat energy efficiency of air source material in winter, thereby the heat recovery system of the air source, the heat source of the heat recovery in the maximum heat source of phase change of the heat recovery in the heat source, and the heat recovery in the air that the heat source, thereby, the heat recovery system, the heat source material of the heat recovery in the heat source, and the heat source of the heat recovery in the heat source, the heat of the heat source, and the heat recovery system, thereby.
Preferably, the first phase-change heat storage layer comprises a first heat storage layer and a first heat conduction plate, and the first heat storage layer is connected with the first heat conduction plate.
Preferably, the phase-change heat storage layer II comprises a heat conduction plate II, a heat storage layer II and a heat conduction plate III, and two ends of the heat storage layer II are respectively connected with the heat conduction plate II and the heat conduction plate III.
Preferably, the phase-change heat storage layer three comprises a heat conduction plate four, a heat storage layer three and a heat conduction plate five, and two ends of the heat storage layer three are respectively connected with the heat conduction plate four and the heat conduction plate five.
Preferably, the phase-change heat storage layer four comprises a heat conduction plate six, a heat storage layer four and a heat conduction plate seven, and two ends of the heat storage layer four are respectively connected with the heat conduction plate six and the heat conduction plate seven.
Preferably, the phase-change heat storage layer five comprises a heat conduction plate eight, a heat storage layer five and a heat conduction plate nine, and two ends of the heat storage layer five are respectively connected with the heat conduction plate eight and the heat conduction plate nine.
Preferably, the phase-change heat storage layer six comprises a heat conduction plate ten and a heat storage layer six, and the heat conduction plate ten is connected with the heat storage layer six.
Preferably, the heat conducting plate I, the heat conducting plate II, the heat conducting plate III, the heat conducting plate eight, the heat conducting plate nine and the heat conducting plate ten are connected with the bottom of the heat insulation shell in an overhead mode through a support.
Compared with the prior art, the utility model provides a high-efficient air source heat pump hot-water heating system based on building waste heat phase transition is retrieved possesses following beneficial effect:
1. the utility model discloses a phase change material, and phase change material's phase transition temperature wide range, consequently can utilize phase change material to make a round trip to retrieve the heat of the interior district of building in winter, preheat the outdoor air that gets into air source heat pump set, improve the temperature of the air that gets into to improve air source heat pump set operation efficiency, maximum heating capacity and energy supply quality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a plate heat exchanger; 2. a chilled water loop; 3. a cooling water loop; 4. a thermally insulated housing; 5. a first heat storage layer; 6. a first heat conducting plate; 7. a first heat conducting plate; 8. a second heat storage layer; 9. a heat conducting plate III; 10. a heat conducting plate IV; 11. a third heat storage layer; 12. a heat conducting plate V; 13. an air outlet; 14. a heat conducting plate six; 15. a heat storage layer IV; 16. a heat conducting plate seventh; 17. a heat conducting plate eight; 18. a fifth heat storage layer; 19. a heat conducting plate nine; 20. a heat conducting plate ten; 21. a heat storage layer six; 22. an air inlet I; 23. a support; 24. a first air channel; 25. an air channel II; 26. an air channel III; 27. an air channel IV; 28. an air inlet II; 29. an air-cooled evaporator; 30. a compressor; 31. a condenser; 32. an expansion valve; 33. a domestic hot water circulating system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1, a high-efficiency air source heat pump hot water system based on phase change recovery of building waste heat comprises a plate heat exchanger 1, a chilled water loop 2 and a cooling water loop 3 are arranged on the plate heat exchanger 1, a heat insulation shell 4 is arranged on one side of the plate heat exchanger 1, the heat insulation shell 4 is internally provided with a phase change heat storage layer I, a phase change heat storage layer II, a phase change heat storage layer III, a phase change heat storage layer IV, a phase change heat storage layer V and a phase change heat storage layer VI, the cooling water loop 2 is communicated with a phase change heat storage layer I, a phase change heat storage layer II, a phase change heat storage layer III, a phase change heat storage layer IV, a phase change heat storage layer V and a phase change heat storage layer VI, the top of the heat insulation shell 4 is provided with an air outlet 13, two sides of the heat insulation shell 4 are respectively provided with an air inlet I22 and an air inlet II 28, the inside of the heat insulation shell 4 is provided with a bracket 23, an air channel I24, an air channel II 25, an air channel III 26 and an air channel IV 27, a compressor 30 is arranged in the heat insulation shell 4, the output end of the compressor 30 is connected with a condenser 31, the other end of the condenser 31 is connected with an expansion valve 32, the other end of the expansion valve 32 is connected with an air-cooled evaporator 29, the other end of the air-cooled evaporator 29 is connected with a compressor 30, a domestic hot water circulating system 33 matched with the cooling water loop 2 is arranged on the condenser 31, the utility model adopts phase-change materials, the phase-change material has wide phase-change temperature range, so the phase-change material can be utilized to recover the heat in the building in winter, the outdoor air entering the air source heat pump unit is preheated, and the temperature of the entering air is improved, so that the operation energy efficiency, the maximum heat supply capacity and the energy supply quality of the air source heat pump unit are improved.
Further, the phase-change heat storage layer one comprises a heat storage layer one 5 and a heat conduction plate one 6, and the heat storage layer one 5 is connected with the heat conduction plate one 6.
Furthermore, the phase change heat storage layer II comprises a heat conduction plate II 7, a heat storage layer II 8 and a heat conduction plate III 9, and two ends of the heat storage layer II 8 are respectively connected with the heat conduction plate II 7 and the heat conduction plate III 9.
Further, the phase-change heat storage layer III comprises a heat conduction plate IV 10, a heat storage layer III 11 and a heat conduction plate V12, and two ends of the heat storage layer III 11 are respectively connected with the heat conduction plate IV 10 and the heat conduction plate V12.
Furthermore, the phase-change heat storage layer four comprises a heat conduction plate six 14, a heat storage layer four 15 and a heat conduction plate seven 16, and two ends of the heat storage layer four 15 are respectively connected with the heat conduction plate six 14 and the heat conduction plate seven 16.
Further, the phase-change heat storage layer five comprises a heat conduction plate eight 17, a heat storage layer five 18 and a heat conduction plate nine 19, and two ends of the heat storage layer five 18 are respectively connected with the heat conduction plate eight 17 and the heat conduction plate nine 19.
Further, the phase-change heat storage layer six comprises a heat conduction plate ten 20 and a heat storage layer six 21, wherein the heat conduction plate ten 20 is connected with the heat storage layer six 21.
Further, the first heat conducting plate 6, the second heat conducting plate 7, the third heat conducting plate 9, the eighth heat conducting plate 17, the ninth heat conducting plate 19 and the tenth heat conducting plate 20 are connected with the bottom of the heat insulating shell 4 in an overhead mode through a support.
When the cooling water circulation loop is used, high-temperature chilled water from the tail end of an air conditioner flows through the plate heat exchanger 1 through the chilled water loop 2 to dissipate heat, the temperature is reduced, the chilled water after being cooled flows back to the tail end of the air conditioner, and meanwhile, the heat absorption temperature of the cooling water is increased; high-temperature cooling water flows out of the plate heat exchanger 1 and then flows into the first heat storage layer 5, the second heat storage layer 8, the third heat storage layer 11, the fourth heat storage layer 15, the fifth heat storage layer 18 and the sixth heat storage layer 21 through the cooling water loop 3 in 6 strands respectively, the cooled cooling water after heat dissipation converges and flows back to the plate heat exchanger 1 again to exchange heat with chilled water, and heat dissipated by the cooling water is absorbed by phase-change heat storage materials in the first heat storage layer 5, the second heat storage layer 8, the third heat storage layer 11, the fourth heat storage layer 15, the fifth heat storage layer 18 and the sixth heat storage layer 21; outdoor air enters from the first air inlet 22 and then is divided into the first air channel 24 and the second air channel 25, and the outdoor air enters from the second air inlet 28 and then is divided into the third air channel 26 and the fourth air channel 27; outdoor air flows through phase change heat storage materials in the first heat storage layer 5, the second heat storage layer 8, the third heat storage layer 11, the fourth heat storage layer 15, the fifth heat storage layer 18 and the sixth heat storage layer 21 through the first heat conduction plate 6, the second heat conduction plate 7, the third heat conduction plate 9, the fourth heat conduction plate 10, the fifth heat conduction plate 12, the sixth heat conduction plate 14, the seventh heat conduction plate 16, the eighth heat conduction plate 17, the ninth heat conduction plate 19 and the tenth heat conduction plate 20 to exchange heat, and the outdoor air absorbs heat and heats; the heated outdoor air flows through the surface of the air-cooled evaporator 29 under the driving of the fan, radiates heat, the temperature is reduced, the air flows out from the air outlet, the heat radiated by the air is absorbed and vaporized by the refrigerant in the air-cooled evaporator 29 and enters the compressor 30, after pressurization and heating, the high-pressure high-temperature gaseous refrigerant enters the condenser 31 for heat radiation, and the phase of the heat-radiated gaseous refrigerant is changed into a liquid state and enters the expansion valve 32 to be changed into a low-temperature low-pressure gas-liquid two-phase flow; the low-temperature water flows through the condenser 31, absorbs heat and then is heated to high-temperature domestic hot water for the tail end to use; at this point, a cycle is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a high-efficient air source heat pump hot-water heating system based on building waste heat phase transition is retrieved, includes plate heat exchanger, its characterized in that: the plate heat exchanger is provided with a chilled water loop and a cooling water loop, one side of the plate heat exchanger is provided with a heat insulation shell, a first phase-change heat storage layer, a second phase-change heat storage layer, a third phase-change heat storage layer, a fourth phase-change heat storage layer, a fifth phase-change heat storage layer and a sixth phase-change heat storage layer are installed in the heat insulation shell, the cooling water loop is communicated with the first phase-change heat storage layer, the second phase-change heat storage layer, the third phase-change heat storage layer, the fourth phase-change heat storage layer, the fifth phase-change heat storage layer and the sixth phase-change heat storage layer, an air outlet is formed in the top of the heat insulation shell, a first air inlet and a second air inlet are respectively formed in two sides of the heat insulation shell, a first support, a first air channel, a second air channel, a third air channel and a fourth air channel are arranged in the heat insulation shell, a compressor is arranged in the heat insulation shell, the output end of the compressor is connected with the condenser, the other end of the condenser is connected with an expansion valve, the other end of the expansion valve is connected with an air-cooled evaporator, the other end of the air-cooled evaporator is connected with the compressor, and a domestic hot water circulation system matched with the cooling water loop is installed on the condenser.
2. The efficient air source heat pump hot water system based on the phase change recovery of the building waste heat is characterized in that: the phase change heat storage layer I comprises a heat storage layer I and a heat conduction plate I, and the heat storage layer I is connected with the heat conduction plate I.
3. The efficient air source heat pump hot water system based on the phase change recovery of the building waste heat according to claim 2, characterized in that: and the two ends of the second heat storage layer are respectively connected with the second heat conduction plate and the third heat conduction plate.
4. The efficient air source heat pump hot water system based on the phase change recovery of the building waste heat is characterized in that: and the phase-change heat storage layer III comprises a heat conduction plate IV, a heat storage layer III and a heat conduction plate V, and two ends of the heat storage layer III are respectively connected with the heat conduction plate IV and the heat conduction plate V.
5. The efficient air source heat pump hot water system based on the phase change recovery of the building waste heat according to claim 4, characterized in that: the phase change heat storage layer four comprises a heat conduction plate six, a heat storage layer four and a heat conduction plate seven, and two ends of the heat storage layer four are respectively connected with the heat conduction plate six and the heat conduction plate seven.
6. The efficient air source heat pump hot water system based on the phase change recovery of the building waste heat as claimed in claim 5, characterized in that: and the two ends of the heat storage layer five are respectively connected with the heat conduction plate eight and the heat conduction plate nine.
7. The efficient air source heat pump hot water system based on the phase change recovery of the building waste heat is characterized in that: the phase-change heat storage layer six comprises a heat conduction plate ten and a heat storage layer six, and the heat conduction plate ten is connected with the heat storage layer six.
8. The efficient air source heat pump hot water system based on the phase change recovery of the building waste heat according to claim 7, characterized in that: the heat-conducting plate I, the heat-conducting plate II, the heat-conducting plate III, the heat-conducting plate eight, the heat-conducting plate nine and the heat-conducting plate ten are connected with the bottom of the heat-insulating shell in an overhead manner through a support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221399963.XU CN217636265U (en) | 2022-06-07 | 2022-06-07 | Efficient air source heat pump hot water system based on building waste heat phase change recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221399963.XU CN217636265U (en) | 2022-06-07 | 2022-06-07 | Efficient air source heat pump hot water system based on building waste heat phase change recovery |
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| Publication Number | Publication Date |
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| CN217636265U true CN217636265U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221399963.XU Active CN217636265U (en) | 2022-06-07 | 2022-06-07 | Efficient air source heat pump hot water system based on building waste heat phase change recovery |
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2022
- 2022-06-07 CN CN202221399963.XU patent/CN217636265U/en active Active
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