CN111023628A - Normal-pressure double-effect low-temperature evaporator of heat pump - Google Patents
Normal-pressure double-effect low-temperature evaporator of heat pump Download PDFInfo
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- CN111023628A CN111023628A CN201911213627.4A CN201911213627A CN111023628A CN 111023628 A CN111023628 A CN 111023628A CN 201911213627 A CN201911213627 A CN 201911213627A CN 111023628 A CN111023628 A CN 111023628A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a heat pump normal-pressure double-effect low-temperature evaporator which comprises a heat pump unit, wherein a coil type heat exchanger is arranged in the heat pump unit, an effective conveying pipe is arranged at the top of one side of the heat pump unit, one end of the effective conveying pipe is connected with an effective spray pipe, one side of the outer surface bottom of the effective spray pipe is provided with an effective spray head, materials can be subjected to effective evaporation through the heat pump unit, the coil type heat exchanger, the effective conveying pipe, the effective spray head, a fan, an economizer and an effective air supply pipe, wet air can be condensed through a condenser, a cold water return pipe, a cold water buffer tank, a cold water return pipe, a cold water return pump, the cold water conveying pipe and a cold water circulating pipe, the water content in the wet air can be reduced, and the water content in the wet air can be reduced through a double-effect heat exchanger, a double-, the two-effect circulation evaporation of the materials can be realized.
Description
Technical Field
The invention relates to the technical field of evaporators, in particular to a heat pump normal-pressure double-effect low-temperature evaporator.
Background
The heat pump evaporator is a novel evaporator, and reduces the boiling point of water by below 35-55 ℃ by utilizing the principle of reducing the boiling point of water by vacuumizing, so that the temperature of the water is increased to 35-55 ℃ by utilizing the heating function of a heat pump, and the evaporation process is realized;
the existing heat pump double-effect low-temperature evaporator has the following hidden troubles in the process of vacuumizing: the air tightness of the system is required, if a certain interface in the system leaks air, the vacuum degree of the system is damaged, so that the evaporation process is damaged, and the air leakage at a certain position is difficult to detect in the actual use process and can be only checked at one position;
when the system is in a vacuum operation state, the system can be stopped when maintenance such as inspection, replacement or sensor cleaning in a container is required; when the evaporator carries out slag discharge or material discharge, the vacuum degree of the system can be temporarily reduced or the system is shut down to carry out slag discharge or material discharge; because the vacuum degree of the system is higher, all accessories need to be configured according to the higher vacuum degree, so that the system has higher manufacturing cost; in the occasion with higher anticorrosive requirement, the system can only be made of titanium and other anticorrosive metals, and the system cost is higher.
Disclosure of Invention
The invention provides a normal-pressure double-effect low-temperature evaporator of a heat pump, which can effectively solve the problems that the prior double-effect low-temperature evaporator of the heat pump in the background art has the following hidden troubles in the process of vacuumizing: the air tightness of the system is required, if a certain interface in the system leaks air, the vacuum degree of the system is damaged, so that the evaporation process is damaged, and the air leakage at a certain position is difficult to detect in the actual use process and can be only checked at one position; when the system is in a vacuum operation state, the system can be stopped when maintenance such as inspection, replacement or sensor cleaning in a container is required; when the evaporator carries out slag discharge or material discharge, the vacuum degree of the system can be temporarily reduced or the system is shut down to carry out slag discharge or material discharge; because the vacuum degree of the system is higher, all accessories need to be configured according to the higher vacuum degree, so that the system has higher manufacturing cost; in the occasion with higher anticorrosive requirement, can only use corrosion-resistant metal such as titanium material to make, the problem that the system cost is higher.
In order to achieve the purpose, the invention provides the following technical scheme: a heat pump normal-pressure double-effect low-temperature evaporator comprises a heat pump unit, wherein a coil type heat exchanger is arranged in the heat pump unit, an effect conveying pipe is arranged at the top of one side of the heat pump unit, one end of the effect conveying pipe is connected with an effect spray pipe, one side of the outer surface bottom of the effect spray pipe is provided with an effect spray head, one side of the bottom of one side of the heat pump unit is provided with an effect circulating pipe, one end of the effect circulating pipe is connected with a first bag filter, an effect connecting pipe is arranged at the top of the outer surface of the first bag filter, one end of the effect connecting pipe is connected with an effect circulating pump, one end of the effect circulating pump is provided with an effect return;
the heat pump set is characterized in that a cold water circulating pipe is installed at the top of the other side of the heat pump set, one end of the cold water circulating pipe is connected with a condenser, a cold water return pipe is installed at the top of one side of the condenser, one end of the cold water return pipe is connected with a cold water buffer tank, a cold water conveying pipe is installed at the bottom of the other side of the heat pump set, and one end of the cold.
Preferably, one imitates evaporating tower one end limit portion and installs two effect evaporating tower, the welding of one imitate evaporating tower top has the return air cover, two effect finned heat exchanger is installed to return air cover inner wall top one side, two effect finned heat exchanger top mid-mounting have two effect conveying pipelines, two effect conveying pipeline one end is connected with two effect spray pipes, two effect shower nozzles are installed to two effect spray pipe surface bottom.
Preferably, two effect back flows are installed to two effect evaporation tower one side bottom, two effect back flow one end is connected with first three-way pipe, and first three-way pipe one end is connected with two effect honeycomb ducts, two effect honeycomb duct one end is connected with two effect circulating pumps, two effect connecting pipe are installed to two effect circulating pump one end, two effect connecting pipe one end is connected with second bag filter, two effect circulating pipe are installed to second bag filter surface middle part one side, the first three-way pipe other end is connected with the feed pipe, feed pipe one end is connected with one and imitates the feed pump, the conveying pipe is installed to one imitate feed pump one end.
Preferably, air transmission pipeline is installed in the run-through of return air cover inner wall one side, air transmission pipeline one end is connected with the economizer, the bottom mid-mounting has the air transmission pipe, air transmission pipe one end is connected with the condenser, condenser bottom mid-mounting has the return air duct, return air duct one end is connected with the fan, economizer surface one side is installed and is preheated the pipe, the blast pipe is installed to economizer surface opposite side, the second tee bend is installed to blast pipe one end, and second tee bend one end is connected with one and imitates the blast pipe, and the second tee bend other end is connected with two and imitates the blast pipe.
Preferably, the first bag filter and the second bag filter are the same in type, stainless steel filter screens are installed inside the first bag filter and the second bag filter, and pressure gauges are installed at the top ends of the first bag filter and the second bag filter.
Preferably, slag removing holes are formed in the bottom ends of the inner walls of the first-effect evaporation tower and the second-effect evaporation tower, and slag removing valves are installed inside the slag removing holes.
Preferably, the top end of the secondary-effect evaporation tower is provided with a wind return cover, and the wind return cover and the secondary-effect evaporation tower are fixedly connected through welding.
Preferably, a feeding hole is formed in one side of the bottom of the outer surface of the first-effect evaporation tower, the diameter of the feeding pipe is equal to the inner diameter of the feeding hole, one end of the feeding pipe is located inside the feeding hole, and the feeding pipe and the first-effect evaporation tower are fixed through welding.
Preferably, the heat pump unit comprises a refrigerant compressor and an evaporator, wherein the refrigerant compressor is mainly used for compressing a refrigerant, and the evaporator is mainly used for reducing the pressure of the refrigerant to realize refrigeration.
Preferably, a connecting guide pipe is installed at one end of the cold water reflux pump, a cold water conveying pipe is installed at the other end of the cold water reflux pump, and cold water valves are installed on one sides of the outer surfaces of the cold water conveying pipe and the connecting guide pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. the material can be subjected to first-effect evaporation through the heat pump unit, the coil type heat exchanger, the first-effect conveying pipe, the first-effect spray head, the fan, the economizer and the first-effect blast pipe, wet air can be condensed through the condenser, the cold water return pipe, the cold water buffer tank, the cold water return pipe, the cold water return pump, the cold water conveying pipe and the cold water circulating pipe, the water content in the wet air is reduced, the second-effect circulating evaporation of the material can be realized through the second-effect fin heat exchanger, the second-effect conveying pipe, the second-effect spray head, the fan, the economizer and the second-effect blast pipe, the process is a normal pressure process, the pressurizing and vacuumizing states are not involved, the unstable links of the system are few, the system can be operated more stably, the maintenance process can be realized without stopping the machine, and workers can conveniently perform cleaning and, because the vacuum pumping system is not arranged, the manufacturing cost of the device can be reduced, the consumption of materials is reduced by more than 50 percent compared with that of a vacuum low-temperature evaporator under the same material, the evaporation temperature is lower than 55 ℃, and the pressure in the tower is only about 500pa, so that the device can be made of most of cheaper anticorrosive materials such as CPVC, PP, PE, FRP and the like, the manufacturing cost is saved by more than 70 percent compared with the conventional titanium material, and meanwhile, the device can save the power consumption of the evaporator because of being in a low-temperature evaporation environment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the area A in FIG. 1 according to the present invention;
reference numbers in the figures: 1. a heat pump unit; 2. a coil heat exchanger; 3. a first effective material conveying pipe; 4. a first effect evaporation tower; 5. a first effect nozzle; 6. a first effect spray head; 7. a first effect return pipe; 8. a one-effect circulation pump; 9. a first bag filter; 10. a single effect circulation pipe; 11. a double-effect finned heat exchanger; 12. a two-effect delivery pipe; 13. a two-effect nozzle; 14. a two-effect spray head; 15. a two-effect evaporation tower; 16. a two-effect return pipe; 17. a two-effect flow guide pipe; 18. a two-effect circulating pump; 19. a two-effect connecting pipe; 20. a second bag filter; 21. a two-effect circulating pipe; 22. a feed pipe; 23. a charge pump; 24. a feed pipe; 25. a gas pipeline; 26. an energy saver; 27. a gas delivery conduit; 28. a condenser; 29. a cold water return pipe; 30. a cold water buffer tank; 31. connecting a conduit; 32. a cold water reflux pump; 33. a cold water delivery pipe; 34. a cold water circulating pipe; 35. a return air duct; 36. a fan; 37. preheating a conduit; 38. an air supply pipe; 39. a one-effect blast pipe; 40. a two-effect blast pipe; 41. a one-effect connection pipe; 42. an air return cover.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-2, the invention provides a technical scheme, a heat pump normal-pressure double-effect low-temperature evaporator comprises a heat pump unit 1, the heat pump unit 1 comprises a refrigerant compressor and an evaporator, the refrigerant compressor is mainly used for compressing refrigerants, the evaporator is mainly used for reducing the pressure of the refrigerants to realize refrigeration, the evaporator is convenient to use, and the evaporator is beneficial to reducing the use difficulty, a coil type heat exchanger 2 is arranged in the heat pump unit 1, an effect conveying pipe 3 is arranged at the top of one side of the heat pump unit 1, one end of the effect conveying pipe 3 is connected with an effect spray pipe 5, one side of the outer surface bottom of the effect spray pipe 5 is provided with an effect spray head 6, one side of the bottom of one side of the heat pump unit 1 is provided with an effect circulating pipe 10, one end of the effect circulating pipe 10 is connected with a first bag type filter 9, the models of the first bag type filter 9 are the same as those of the second, the top ends of the first bag filter 9 and the second bag filter 20 are respectively provided with a pressure gauge, the first bag filter 9 and the second bag filter 20 can be conveniently used, the use difficulty of workers can be favorably reduced, the top part of the outer surface of the first bag filter 9 is provided with an effective connecting pipe 41, one end of the effective connecting pipe 41 is connected with an effective circulating pump 8, one end of the effective circulating pump 8 is provided with an effective return pipe 7, one end of the effective return pipe 7 is connected with an effective evaporation tower 4, the bottom ends of the inner walls of the effective evaporation tower 4 and the effective evaporation tower 15 are respectively provided with a slag cleaning hole, a slag discharging valve is arranged in the slag cleaning hole, the slag discharging of the device is convenient, the slag discharging difficulty of the device can be favorably reduced, one side of the bottom part of the outer surface of the effective evaporation tower 4 is provided with a feeding hole, the diameter of the feeding pipe 24 is equal to the inner diameter of the feeding hole, one end of, the use of the two-effect circulating pump 18 is facilitated, and the use difficulty of the two-effect circulating pump 18 is reduced;
cold water circulating pipe 34 is installed at heat pump set 1 opposite side top, cold water circulating pipe 34 one end is connected with condenser 28, cold water back flow 29 is installed at condenser 28 one side top, cold water back flow 29 one end is connected with cold water buffer tank 30, cold water conveying pipe 33 is installed to heat pump set 1 opposite side bottom, cold water conveying pipe 33 one end is connected with cold water backwash pump 32, connecting pipe 31 is installed to cold water backwash pump 32 one end, cold water conveying pipe 33 is installed to the cold water backwash pump 32 other end, cold water valve is all installed to cold water conveying pipe 33 and connecting pipe 31 surface one side, can get into the water yield to cold water backwash pump 32 and regulate and control, the use of.
Two-effect evaporation tower 15 is installed on 4 one end limit portions of one-effect evaporation tower, two-effect evaporation tower 15 installs back fan housing 42 on the top, pass through welded fastening connection between back fan housing 42 and the two-effect evaporation tower 15, be convenient for fan 36's use, be favorable to reducing fan 36's the use degree of difficulty, 4 top welding of one-effect evaporation tower has back fan housing 42, two-effect finned heat exchanger 11 is installed on one side of back fan housing 42 inner wall top, 11 top mid-mounting of two-effect finned heat exchanger have two- effect conveying pipeline 12, 12 one end of two-effect conveying pipeline is connected with two-effect spray tube 13, two-effect shower nozzle 14 is installed to two-effect spray tube.
Two-effect return pipe 16 is installed to 15 one side bottoms of two-effect evaporation tower, two-effect return pipe 16 one end is connected with first three-way pipe, and first three-way pipe one end is connected with two-effect honeycomb duct 17, two-effect honeycomb duct 17 one end is connected with two-effect circulating pump 18, two-effect connecting pipe 19 is installed to two-effect circulating pump 18 one end, 19 one end of two-effect connecting pipe is connected with second bag filter 20, two-effect circulating pipe 21 is installed to 20 surface middle part one sides of second bag filter, the first three-way pipe other end is connected with feed pipe 22, feed pipe 22 one end is connected with one and imitates feed pump 23, feed pipe 24 is installed to one effect feed.
The working principle and the using process of the invention are as follows: in the actual use process of the normal-pressure double-effect low-temperature evaporator of the heat pump, workers connect all electronic devices in the evaporator to an external power supply to enable a refrigerant compressor of the heat pump unit 1 to work, compressing the refrigerant Freon, transferring heat to the material of the first-effect material conveying pipe 3 through the coiled pipe type heat exchanger 2 after heating, heating the materials to be evaporated to 50-55 ℃, conveying the heated materials to a first-effect spray pipe 5 by a first-effect conveying pipe 3, spraying the materials through a spray head of the first-effect spray pipe 5, meanwhile, the fan 36 blows hot air, and the hot air can be heated through the energy saver 26, the temperature of the hot air flow is raised to 35-38 ℃, the hot air flow reaches the first-effect air supply pipe 39 along the air supply pipe 38 and is sprayed out of the first-effect air supply pipe 39, and the moisture in the spray is quickly evaporated into the dry air within 2 seconds, so that the first-effect evaporation process is completed;
the hot air flow evaporates the moisture in the material through spraying to obtain 100% humidity air flow (the temperature is 49-54 ℃), the air flow is blown out from the top of the single-effect evaporation tower 4, the wet air flow reaches the energy saver 26 along the air conveying pipeline 25 and reaches the condenser 28 through the air conveying guide pipe 27, the wet air flow can be condensed, the condensed water reaches the cold water buffer tank 30 along the cold water return pipe 29 and reaches the coil type heat exchanger 2 through the cold water return pump 32 and the cold water conveying pipe 33, the heat exchange can be carried out on the heated cold water, and the cold water after heat exchange flows into the condenser 28 again along the cold water circulation pipe 34;
the wet airflow passing through the condenser 28 is cooled to 17 ℃ after being condensed and dried, the temperature of the airflow enters the fan 36 and reaches the energy saver 26 to be reheated, so that the temperature of the airflow reaches 35-38 ℃, and the airflow is sprayed out from the first-effect blast pipe 39 and the second-effect blast pipe 40;
when wet airflow contacts the double-effect finned heat exchanger 11, the double-effect circulating materials can be heated to 38-40 ℃, the heated circulating materials reach the double-effect spray pipe 13 along the double-effect conveying pipe 12 and are sprayed out from the double-effect spray nozzle 14, and meanwhile, hot airflow is sprayed out from the double-effect blast pipe 40 to evaporate the circulating materials;
the refrigerated wet air flow enters the energy saver 26 to be heated to 35-38 ℃, and passes through the first-effect evaporation tower 4 and the second-effect evaporation tower 15 again under the action of the fan 36, so that the second-effect evaporation circulation of the materials can be realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a heat pump ordinary pressure economic benefits and social benefits low temperature evaporator, includes heat pump set (1), its characterized in that: the heat pump unit is characterized in that a coil pipe type heat exchanger (2) is arranged inside the heat pump unit (1), an effect conveying pipe (3) is installed at the top of one side of the heat pump unit (1), one end of the effect conveying pipe (3) is connected with an effect spray pipe (5), one side of the outer surface bottom of the effect spray pipe (5) is provided with an effect spray head (6), one side of the heat pump unit (1) is provided with an effect circulating pipe (10), one end of the effect circulating pipe (10) is connected with a first bag type filter (9), one end of the outer surface top of the first bag type filter (9) is provided with an effect connecting pipe (41), one end of the effect connecting pipe (41) is connected with an effect circulating pump (8), one end of the effect circulating pump (8) is provided with an effect return pipe (7), and one end of the;
cold water circulating pipe (34) is installed at heat pump set (1) opposite side top, cold water circulating pipe (34) one end is connected with condenser (28), cold water back flow (29) are installed at condenser (28) one side top, cold water back flow (29) one end is connected with cold water buffer tank (30), cold water conveying pipeline (33) are installed to heat pump set (1) opposite side bottom, cold water conveying pipeline (33) one end is connected with cold water reflux pump (32).
2. The heat pump normal-pressure double-effect low-temperature evaporator as claimed in claim 1, characterized in that: one imitate evaporating tower (4) one end limit portion and install two effect evaporating tower (15), the welding of one imitate evaporating tower (4) top has return fan housing (42), two effect finned heat exchanger (11) are installed to return fan housing (42) inner wall top one side, two effect finned heat exchanger (11) top mid-mounting has two effects conveying pipeline (12), two effects conveying pipeline (12) one end is connected with two effects spray tube (13), two effects spray tube (13) surface bottom installs two effects shower nozzle (14).
3. The heat pump normal-pressure double-effect low-temperature evaporator as claimed in claim 1, characterized in that: two effect back flow (16) are installed to two effect evaporation tower (15) one side bottom, two effect back flow (16) one end is connected with first three-way pipe, and first three-way pipe one end is connected with two effect honeycomb duct (17), two effect honeycomb duct (17) one end is connected with two effect circulating pump (18), two effect connecting pipe (19) are installed to two effect circulating pump (18) one end, two effect connecting pipe (19) one end is connected with second bag filter (20), two effect circulating pipe (21) are installed to second bag filter (20) surface middle part one side, the first three-way pipe other end is connected with feed pipe (22), feed pipe (22) one end is connected with one and imitates feed pump (23), feed pipe (24) are installed to one effect feed pump (23) one end.
4. The heat pump normal-pressure double-effect low-temperature evaporator as claimed in claim 2, characterized in that: air duct (25) are installed in running through to return fan housing (42) inner wall one side, air duct (25) one end is connected with energy-saving appliance (26), bottom mid-mounting has air duct (27), air duct (27) one end is connected with condenser (28), condenser (28) bottom mid-mounting has return air pipe (35), return air pipe (35) one end is connected with fan (36), energy-saving appliance (26) surface one side is installed and is preheated pipe (37), blast pipe (38) are installed to energy-saving appliance (26) surface opposite side, the second tee bend is installed to blast pipe (38) one end, and second tee bend one end is connected with one and imitates blast pipe (39), and the second tee bend other end is connected with two and imitates blast pipe (40).
5. The heat pump normal-pressure double-effect low-temperature evaporator as claimed in claim 1, characterized in that: the stainless steel bag filter is characterized in that the models of the first bag filter (9) and the second bag filter (20) are the same, stainless steel filter screens are arranged inside the first bag filter (9) and the second bag filter (20), and pressure gauges are arranged at the top ends of the first bag filter (9) and the second bag filter (20).
6. The heat pump normal-pressure double-effect low-temperature evaporator as claimed in claim 1, characterized in that: slag removing holes are formed in the bottom ends of the inner walls of the first-effect evaporation tower (4) and the second-effect evaporation tower (15), and slag removing valves are installed in the slag removing holes.
7. The heat pump normal-pressure double-effect low-temperature evaporator as claimed in claim 2, characterized in that: an air return cover (42) is installed at the top end of the two-effect evaporation tower (15), and the air return cover (42) is fixedly connected with the two-effect evaporation tower (15) through welding.
8. The heat pump normal-pressure double-effect low-temperature evaporator as claimed in claim 1, characterized in that: a feeding hole is formed in one side of the bottom of the outer surface of the first-effect evaporation tower (4), the diameter of the feeding pipe (24) is equal to the inner diameter of the feeding hole, one end of the feeding pipe (24) is located inside the feeding hole, and the feeding pipe (24) and the first-effect evaporation tower (4) are fixed through welding.
9. The heat pump normal-pressure double-effect low-temperature evaporator as claimed in claim 1, characterized in that: the heat pump unit (1) comprises a refrigerant compressor and an evaporator, wherein the refrigerant compressor is mainly used for compressing a refrigerant, and the evaporator is mainly used for reducing the pressure of the refrigerant to realize refrigeration.
10. The heat pump normal-pressure double-effect low-temperature evaporator as claimed in claim 1, characterized in that: connecting pipe (31) are installed to cold water backwash pump (32) one end, cold water conveying pipeline (33) are installed to the cold water backwash pump (32) other end, cold water valve is all installed to cold water conveying pipeline (33) and connecting pipe (31) surface one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911213627.4A CN111023628B (en) | 2019-12-02 | 2019-12-02 | Normal-pressure double-effect low-temperature evaporator of heat pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911213627.4A CN111023628B (en) | 2019-12-02 | 2019-12-02 | Normal-pressure double-effect low-temperature evaporator of heat pump |
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| CN111023628A true CN111023628A (en) | 2020-04-17 |
| CN111023628B CN111023628B (en) | 2021-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114159815A (en) * | 2021-12-08 | 2022-03-11 | 苏州荣轩环保有限公司 | Structure of evaporation tower |
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| US5558273A (en) * | 1994-11-10 | 1996-09-24 | Advanced Mechanical Technology, Inc. | Two-pipe system for refrigerant isolation |
| CN2407296Y (en) * | 2000-02-23 | 2000-11-22 | 淮阴辉煌太阳能有限公司 | Heat pump type water heater |
| CN1837705A (en) * | 2005-03-24 | 2006-09-27 | 日立家用电器公司 | Heat-pump hot water supply apparatus |
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| CN114159815A (en) * | 2021-12-08 | 2022-03-11 | 苏州荣轩环保有限公司 | Structure of evaporation tower |
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| CN111023628B (en) | 2021-10-01 |
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