CN112696960A - Double-machine series connection heat recovery system - Google Patents

Double-machine series connection heat recovery system Download PDF

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Publication number
CN112696960A
CN112696960A CN202011539173.2A CN202011539173A CN112696960A CN 112696960 A CN112696960 A CN 112696960A CN 202011539173 A CN202011539173 A CN 202011539173A CN 112696960 A CN112696960 A CN 112696960A
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CN
China
Prior art keywords
water storage
support
main part
heat
part support
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Pending
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CN202011539173.2A
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Chinese (zh)
Inventor
李春杰
李多德
李磊
于海涛
马娣
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ANHUI TULIP NEW ENERGY TECH CO LTD
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ANHUI TULIP NEW ENERGY TECH CO LTD
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Priority to CN202011539173.2A priority Critical patent/CN112696960A/en
Publication of CN112696960A publication Critical patent/CN112696960A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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Abstract

The invention discloses a double-machine series connection heat recovery system, relates to the technical field of heat recovery, and aims to solve the problem that most of heat inside the existing heat pump is directly radiated to the outside in a heat radiation mode to seriously cause waste. The utility model discloses a hot water storage tank, including main part support, compressor, heat-insulating sponge, heat-conducting layer, support bracket and hot water storage jar, the first mounting panel is installed to the upper end of the inside one side of main part support, the compressor is installed to the upper end of first mounting panel, the water storage jar is installed to the inside opposite side of main part support, water storage jar and main part support fixed connection, the water storage jar includes the heat preservation sponge, separates temperature rubber, outside isolation layer, heat-conducting layer, support bracket and hot water storage jar, the inboard of heat preservation sponge has been adjoined in proper order and has been separated temperature rubber, outside isolation layer, heat-conducting layer, support bracket and hot water storage jar adjacent between all spliced and be connected, outside isolation layer passes.

Description

Double-machine series connection heat recovery system
Technical Field
The invention relates to the technical field of heat recovery, in particular to a double-machine series heat recovery system.
Background
The heat pump is a high-efficiency energy-saving device which makes full use of low-grade heat energy. Heat can be transferred spontaneously from a high temperature object to a low temperature object, but cannot proceed spontaneously in the opposite direction. The working principle of the heat pump is a mechanical device which forces heat to flow from a low-temperature object to a high-temperature object in a reverse circulation mode, and the heat pump can obtain larger heat supply amount only by consuming a small amount of reverse circulation net work, and can effectively utilize low-grade heat energy which is difficult to apply to achieve the purpose of energy conservation.
However, most of the heat inside the existing heat pump is directly radiated to the outside in a heat radiation mode, and waste is seriously caused; therefore, the existing requirements are not met, and a double-machine series heat recovery system is provided for the existing requirements.
Disclosure of Invention
The invention aims to provide a double-machine series heat recovery system to solve the problem that most of heat inside a heat pump provided in the background art is directly radiated to the outside in a heat radiation mode to cause serious waste.
In order to achieve the purpose, the invention provides the following technical scheme: the double-machine series connection heat recovery system comprises a main body support, wherein a first mounting plate is installed at the upper end of one side inside the main body support, a compressor is installed at the upper end of the first mounting plate, a water storage tank is installed at the other side inside the main body support, the water storage tank is fixedly connected with the main body support, the water storage tank comprises a heat insulation sponge, heat insulation rubber, an external isolation layer, a heat conduction layer, a support bracket and a hot water storage tank, the heat insulation sponge, the heat insulation rubber and the external isolation layer are sequentially abutted to the inner side of the heat insulation sponge, the heat insulation rubber, the external isolation layer, the support bracket and the hot water storage tank are all connected in a gluing mode, the external isolation layer and the heat conduction layer are fixedly connected through a support plate, the heat conduction layer, the support bracket and the hot water storage tank, connecting support legs are installed to the lower extreme of condensing box, connecting support legs and main part support fixed connection, the internally mounted of condensing box has the condenser pipe, condenser pipe and condensing box fixed connection.
Preferably, warm water storage jar is installed to the inside opposite side of main part support, warm water entering pipeline is all installed with the one side that is close to and is equipped with the condensing box to the upper end of warm water storage jar, the edulcoration support is installed to the one end that the warm water got into the pipeline, the internally mounted of edulcoration support has the active carbon filter layer, active carbon filter layer and edulcoration support fixed connection, the edulcoration filter bag is installed to the one end of edulcoration support, the edulcoration filter bag passes through screw connection with the edulcoration support, the ultraviolet disinfection lamp is installed to the inside upper end of warm water storage jar, ultraviolet disinfection lamp and warm water storage jar fixed connection, separate glass board and warm water storage jar fixed connection, the condensing box is kept away from a side-mounting second mounting panel of compressor, first water pump is installed to the upper end of second, first water pump and condensing tank and warm water storage jar all pass through the pipe connection, the fourth mounting panel is installed to the inside opposite side of main part support.
Preferably, a fixed support is installed at the upper end of one side of the rear end in the main body support, the fixed support is fixedly connected with the main body support, an evaporation pipe is installed in the fixed support, and the evaporation pipe is connected with the compressor through a pipeline.
Preferably, the condenser box is kept away from the upper and lower both ends of compressor one side and is all installed the third mounting panel, the second water pump is installed to the upper end of third mounting panel, the second water pump all passes through the pipe connection with condenser box and hot water storage jar, the water injection pipeline is installed to the lower extreme of condenser box.
Preferably, a cooling fan is installed on one side of the upper end of the front end face of the main body support and is fixedly connected with the main body support.
Preferably, the control box is installed to the lower extreme of terminal surface before the main part support, control box and main part support fixed connection, firm support is installed to the lower extreme of main part support, firm support and main part support fixed connection.
Preferably, the hot water outlet pipe is installed on one side of the water storage tank far away from the condenser tank, the hot water outlet pipe is fixedly connected with the main body support and the water storage tank, the water inlet pipe is installed at the upper end of the water storage tank, and the water inlet pipe is fixedly connected with the main body support and the water storage tank.
Preferably, a third water pump is installed at the upper end of the fourth mounting plate, the third water pump is connected with the warm water storage tank through a pipeline, and a warm water discharge pipeline is installed on one side of the third water pump away from the warm water storage tank.
Compared with the prior art, the invention has the beneficial effects that:
1. the heat-insulating sponge and the heat-insulating rubber are arranged, so that the heat-insulating capacity of the device can be improved, the heat loss is reduced, the using effect of the device is improved, the external insulating layer is arranged to inject water between the external insulating layer and the heat conducting layer, the water injected between the external insulating layer and the heat conducting layer is heated by utilizing the heat radiation radiated by the hot water storage tank, the waste heat is fully utilized, the heat recovery utilization rate of the device is increased, and the waste is avoided;
2. according to the invention, warm water can be filtered and reduced by installing the activated carbon filter layer, impurities in the warm water are reduced, the quality of the warm water is increased, the impurity removal filter bag can intercept some impurities, the water quality is further improved, the warm water is more safe to use, the ultraviolet disinfection lamp can eliminate germs in the warm water and prevent germs from breeding in the device, the heat exchange of the evaporation tube can be accelerated by installing the cooling fan, the heat exchange efficiency of the evaporation tube is increased, the stability of the device can be increased by installing the stable support, and the device is prevented from inclining.
Drawings
FIG. 1 is a schematic structural diagram of a dual-machine series heat recovery system according to the present invention;
FIG. 2 is a front view of the dual-unit series heat recovery system of the present invention;
FIG. 3 is a schematic view of a reservoir according to the present invention;
FIG. 4 is a schematic view of the structure of the condensing box of the present invention;
FIG. 5 is a three-dimensional view of the dual-unit series heat recovery system of the present invention;
fig. 6 is a schematic view showing the construction of the warm water storage tank of the present invention.
In the figure: 1. a main body support; 2. a first mounting plate; 3. a compressor; 4. fixing a bracket; 5. an evaporation tube; 6. a condenser tank; 7. a water injection pipeline; 8. a second mounting plate; 9. a first water pump; 10. a third mounting plate; 11. a second water pump; 12. connecting the supporting legs; 13. a water storage tank; 14. a water inlet pipe; 15. a hot water discharge pipe; 16. a stabilizing bracket; 17. a control box; 18. a heat radiation fan; 19. a fourth mounting plate; 20. a third water pump; 21. warm water discharge piping; 22. heat-insulating sponge; 23. heat insulating rubber; 24. an outer barrier layer; 25. a heat conductive layer; 26. a support bracket; 27. a hot water storage tank; 28. a condenser tube; 29. a warm water storage tank; 30. an ultraviolet disinfection lamp; 31. a separation glass plate; 32. warm water enters the pipeline; 33. removing impurities from the bracket; 34. an activated carbon filter layer; 35. and (5) removing impurities and filtering bags.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an embodiment of the present invention is shown: the double-machine series connection heat recovery system comprises a main body support 1, a first mounting plate 2 is mounted at the upper end of one side inside the main body support 1, a compressor 3 is mounted at the upper end of the first mounting plate 2, a water storage tank 13 is mounted at the other side inside the main body support 1, the water storage tank 13 is fixedly connected with the main body support 1, the water storage tank 13 comprises a heat insulation sponge 22, a heat insulation rubber 23, an external isolation layer 24, a heat conduction layer 25, a support bracket 26 and a hot water storage tank 27, the heat insulation capability of the device can be improved by mounting the heat insulation sponge 22 and the heat insulation rubber 23, the heat loss is reduced, the using effect of the device is improved, the heat insulation sponge 22 is sequentially adjoined with the heat insulation rubber 23, the external isolation layer 24, the heat conduction layer 25, the support bracket 26 and the hot water storage tank 27, the heat insulation sponge 22 is connected with the heat insulation rubber 23 and, utilize the heat radiation of hot water storage jar 27 radiation, the water of pouring into between external isolation layer 24 and the heat-conducting layer 25 heats, make full use of waste heat, increase the heat recovery utilization ratio of device, avoid causing the waste, external isolation layer 24 passes through backup pad fixed connection with heat-conducting layer 25, equal welded connection between support bracket 26 and the hot water storage jar 27 are adjacent, condensing box 6 is installed to one side of main part support 1 lower extreme, connecting support leg 12 is installed to the lower extreme of condensing box 6, connecting support leg 12 and main part support 1 fixed connection, the internally mounted of condensing box 6 has condenser pipe 28, condenser pipe 28 and condensing box 6 fixed connection.
Further, a warm water storage tank 29 is installed on the other side inside the main body support 1, a warm water inlet pipeline 32 is installed at the upper end of the warm water storage tank 29 and on one side close to the condensing tank 6, an impurity removal support 33 is installed at one end of the warm water inlet pipeline 32, an activated carbon filter layer 34 is installed inside the impurity removal support 33, the activated carbon filter layer 34 can be installed to filter and reduce warm water, impurities in the warm water are reduced, the quality of the impurities is improved, the impurity removal filter bag 35 can be installed to intercept some impurities, the quality of water is further improved, the warm water can be used more safely, the activated carbon filter layer 34 is fixedly connected with the impurity removal support 33, the impurity removal filter bag 35 is installed at one end of the impurity removal support 33, the impurity removal filter bag 35 is connected with the impurity removal support 33 through screws, an ultraviolet disinfection lamp 30 is installed at the, avoid the germ to breed inside the device, ultraviolet ray disinfection lamp 30 and warm water storage jar 29 fixed connection, warm water storage jar 29 inside upper end is installed and is separated glass board 31, separate glass board 31 and warm water storage jar 29 fixed connection, compressor 3's a side-mounting second mounting panel 8 is kept away from to condenser box 6, first water pump 9 is installed to the upper end of second mounting panel 8, first water pump 9 all passes through the pipe connection with condenser box 6 and warm water storage jar 29, fourth mounting panel 19 is installed to the inside opposite side of main part support 1.
Further, fixed bolster 4 is installed to the upper end of the inside rear end one side of main part support 1, fixed bolster 4 and 1 fixed connection of main part support, and the internally mounted of fixed bolster 4 has evaporating pipe 5, and evaporating pipe 5 passes through the pipe connection with compressor 3, and installation evaporating pipe 5 can make its inside heat transfer medium condensation exothermic, guarantees the functional complete of device.
Further, the condenser box 6 is kept away from the upper and lower both ends of compressor 3 one side and all is installed third mounting panel 10, and second water pump 11 is installed to the upper end of third mounting panel 10, and second water pump 11 all passes through the pipe connection with condenser box 6 and hot water storage jar 27, and water injection pipeline 7 is installed to the lower extreme of condenser box 6, and installation second water pump 11 can pour into the hot water of 6 internal heating completions of condenser box into storage tank 13 and save, guarantees the functional complete of device.
Further, a heat radiation fan 18 is installed on one side of the upper end of the front end face of the main body support 1, the heat radiation fan 18 is fixedly connected with the main body support 1, and the heat exchange of the evaporation tube 5 can be accelerated by installing the heat radiation fan 18, so that the heat exchange efficiency is improved.
Further, the control box 17 is installed to the lower extreme of terminal surface before main part support 1, and control box 17 and main part support 1 fixed connection, and firm support 16 is installed to the lower extreme of main part support 1, and firm support 16 and main part support 1 fixed connection, installation firm support 16 can increase the stability of device, prevents that the device from inclining.
Further, hot water discharge pipe 15 is all installed to the one side that condenser box 6 was kept away from to water storage tank 13, and hot water discharge pipe 15 and main part support 1 and the equal fixed connection of water storage tank 13, inlet channel 14 are installed to the upper end of water storage tank 13, and inlet channel 14 and main part support 1 and the equal fixed connection of water storage tank 13 install hot water discharge pipe 15 and be convenient for the inside hot water of device and discharge, supply to use in people.
Further, third water pump 20 is installed to the upper end of fourth mounting panel 19, and third water pump 20 passes through the pipe connection with warm water storage jar 29, and warm water discharge pipe 21 is installed to the one side that third water pump 20 kept away from warm water storage jar 29, and installation third water pump 20 can be discharged the inside warm water of device, guarantees the functional complete of device.
The working principle is as follows: when the heat exchanger is used, a worker injects water into the water storage tank 13 and the condenser 6 through the water inlet pipeline 14 and the water injection pipeline 7, then the compressor 3 works to compress a heat exchange medium inside the compressor, so that a high-pressure heat exchange medium enters the condenser pipe 28, the heat exchange medium is condensed in the condenser pipe 28 to release heat and exchanges heat with water inside the condenser 6 to increase the temperature of the water, then the heat exchange medium enters the evaporation pipe 5 to evaporate and absorb heat, the heat in air is absorbed and then enters the compressor 3 to be recompressed, when the temperature of the water inside the condenser 6 is increased to a certain degree, the second water pump 11 leads the water into the hot water storage tank 27 to be stored, part of heat is transferred into the heat conduction layer 25 in a heat radiation mode in the storage process, the heat conduction layer 25 transfers the heat to the water between the external isolation layer 24 and the heat conduction layer 25, and the dissipated heat is used for heating the water, when a user needs to use hot water, the user can directly use the hot water through the warm water discharge pipeline 21, when the warm water is needed, the third water pump 20 can be started to draw out the warm water, the worker can also start the first water pump 9 to introduce the warm water into the condensing box 6, the hot water output efficiency is accelerated, and the practicability of the device is improved, the heat preservation capability of the device can be improved by installing the heat preservation sponge 22 and the heat insulation rubber 23, the heat loss is reduced, the use effect of the device is improved, the external isolation layer 24 can be arranged to inject water between the external isolation layer 24 and the heat conduction layer 25, the heat radiation radiated by the hot water storage tank 27 is utilized to heat the water injected between the external isolation layer 24 and the heat conduction layer 25, the waste heat is fully utilized, the heat recovery utilization rate of the device is improved, the waste is avoided, the active carbon filter layer 34 can be installed, installation edulcoration filter bag 35 can intercept some impurity, further improves water quality, makes the warm water use more relieved, sets up the germ that ultraviolet ray disinfection lamp 30 can eliminate the warm water, avoids the germ to breed inside the device, and installation radiator fan 18 can accelerate the heat transfer of evaporating pipe 5, increases its heat exchange efficiency, and installation firm support 16 can increase the stability of device, prevents that the device from inclining.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. Double-machine series connection heat recovery system, including main part support (1), its characterized in that: the utility model discloses a heat preservation device of a compressor, including main part support (1), compressor (3) are installed to the upper end of main part support (1) inside one side, retaining jar (13) are installed to the inside opposite side of main part support (1), retaining jar (13) and main part support (1) fixed connection, retaining jar (13) are including heat preservation sponge (22), separate temperature rubber (23), outside isolation layer (24), heat-conducting layer (25), support holder (26) and hot water storage jar (27), the inboard of heat preservation sponge (22) is adjacent in proper order to have separate temperature rubber (23), outside isolation layer (24), heat-conducting layer (25), support holder (26) and hot water storage jar (27), heat preservation sponge (22) with separate temperature rubber (23) and outside isolation layer (24) and all glue between adjacent and be connected, outside isolation layer (24) and heat-conducting layer (25) pass through backup pad fixed connection, equal welded connection between heat-conducting layer (25), support holder (26) and hot water storage jar (27) are adjacent, condensing box (6) are installed to one side of main part support (1) lower extreme, connecting support leg (12) are installed to the lower extreme of condensing box (6), connecting support leg (12) and main part support (1) fixed connection, the internally mounted of condensing box (6) has condenser pipe (28), condenser pipe (28) and condensing box (6) fixed connection.
2. The twin-engine series heat recovery system of claim 1, wherein: warm water storage jar (29) is installed to main part support (1) inside opposite side, warm water storage jar (29) upper end and the one side that is close to and is equipped with condensing box (6) all install warm water entering pipeline (32), the one end that warm water entered pipeline (32) installs edulcoration support (33), the internally mounted of edulcoration support (33) has active carbon filter layer (34), active carbon filter layer (34) and edulcoration support (33) fixed connection, edulcoration filter bag (35) are installed to the one end of edulcoration support (33), edulcoration filter bag (35) pass through screw connection with edulcoration support (33), ultraviolet ray disinfection lamp (30) are installed to the inside upper end of warm water storage jar (29), ultraviolet ray disinfection lamp (30) and warm water storage jar (29) fixed connection, separate glass board (31) are installed to the inside upper end of warm water storage jar (29), separate glass board (31) and warm water storage jar (29) fixed connection, one side-mounting second mounting panel (8) of compressor (3) are kept away from in condensate box (6), first water pump (9) are installed to the upper end of second mounting panel (8), first water pump (9) all pass through the pipe connection with condensate box (6) and warm water storage jar (29), fourth mounting panel (19) are installed to main part support (1) inside opposite side.
3. The twin-engine series heat recovery system of claim 1, wherein: fixed bolster (4) are installed to the upper end of main part support (1) inside rear end one side, fixed bolster (4) and main part support (1) fixed connection, the internally mounted of fixed bolster (4) has evaporating pipe (5), evaporating pipe (5) pass through the pipe connection with compressor (3).
4. The twin-engine series heat recovery system of claim 1, wherein: the condenser box (6) is kept away from the upper and lower both ends of compressor (3) one side and is all installed third mounting panel (10), second water pump (11) are installed to the upper end of third mounting panel (10), second water pump (11) all pass through the pipe connection with condenser box (6) and hot water storage jar (27), water injection pipeline (7) are installed to the lower extreme of condenser box (6).
5. The twin-engine series heat recovery system of claim 1, wherein: radiator fan (18) are installed to one side of main part support (1) preceding terminal surface upper end, radiator fan (18) and main part support (1) fixed connection.
6. The twin-engine series heat recovery system of claim 1, wherein: control box (17) are installed to the lower extreme of terminal surface before main part support (1), control box (17) and main part support (1) fixed connection, firm support (16) are installed to the lower extreme of main part support (1), firm support (16) and main part support (1) fixed connection.
7. The twin-engine series heat recovery system of claim 1, wherein: the condenser is characterized in that a hot water discharge pipeline (15) is installed on one side, away from the condenser box (6), of the water storage tank (13), the hot water discharge pipeline (15) is fixedly connected with the main body support (1) and the water storage tank (13), an inlet pipeline (14) is installed at the upper end of the water storage tank (13), and the inlet pipeline (14) is fixedly connected with the main body support (1) and the water storage tank (13).
8. The twin-engine series heat recovery system of claim 2, wherein: third water pump (20) are installed to the upper end of fourth mounting panel (19), third water pump (20) pass through the pipe connection with warm water storage jar (29), warm water discharge pipe way (21) are installed to one side that warm water storage jar (29) was kept away from in third water pump (20).
CN202011539173.2A 2020-12-23 2020-12-23 Double-machine series connection heat recovery system Pending CN112696960A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011539173.2A CN112696960A (en) 2020-12-23 2020-12-23 Double-machine series connection heat recovery system

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Application Number Priority Date Filing Date Title
CN202011539173.2A CN112696960A (en) 2020-12-23 2020-12-23 Double-machine series connection heat recovery system

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CN112696960A true CN112696960A (en) 2021-04-23

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0109376D0 (en) * 2001-04-17 2001-05-30 Gortowski Edmund P Waste water heat recovery system
JP2008111574A (en) * 2006-10-30 2008-05-15 Noritz Corp Heat pump heat supply system
CN102313314A (en) * 2010-06-30 2012-01-11 上海市向明中学 Device for generating hot water by utilizing residual heat of air-conditioner external machine
CN202613555U (en) * 2012-04-11 2012-12-19 林志辉 Integrated system for heating hot water and domestic hot water
CN206626650U (en) * 2016-03-24 2017-11-10 三电居住环境系统株式会社 Heat-pump-type hot-water supply
CN107345711A (en) * 2017-07-21 2017-11-14 江苏迈能高科技有限公司 A kind of storage/heat-exchanging water tank with heat recovery function
CN209583855U (en) * 2018-03-01 2019-11-05 张舒惠 A kind of water for food processing high-efficient treatment device
CN210241721U (en) * 2019-07-22 2020-04-03 河北纳森空调有限公司 Air source heat pump heating device
CN211177249U (en) * 2019-12-12 2020-08-04 宁夏塞上阳光太阳能有限公司 Heat pump cooling and heating water storage tank

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0109376D0 (en) * 2001-04-17 2001-05-30 Gortowski Edmund P Waste water heat recovery system
JP2008111574A (en) * 2006-10-30 2008-05-15 Noritz Corp Heat pump heat supply system
CN102313314A (en) * 2010-06-30 2012-01-11 上海市向明中学 Device for generating hot water by utilizing residual heat of air-conditioner external machine
CN202613555U (en) * 2012-04-11 2012-12-19 林志辉 Integrated system for heating hot water and domestic hot water
CN206626650U (en) * 2016-03-24 2017-11-10 三电居住环境系统株式会社 Heat-pump-type hot-water supply
CN107345711A (en) * 2017-07-21 2017-11-14 江苏迈能高科技有限公司 A kind of storage/heat-exchanging water tank with heat recovery function
CN209583855U (en) * 2018-03-01 2019-11-05 张舒惠 A kind of water for food processing high-efficient treatment device
CN210241721U (en) * 2019-07-22 2020-04-03 河北纳森空调有限公司 Air source heat pump heating device
CN211177249U (en) * 2019-12-12 2020-08-04 宁夏塞上阳光太阳能有限公司 Heat pump cooling and heating water storage tank

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Application publication date: 20210423