CN202675509U - Water-cooling type heat pump air conditioning unit with antifreezing solution regenerated heat reclaiming device - Google Patents
Water-cooling type heat pump air conditioning unit with antifreezing solution regenerated heat reclaiming device Download PDFInfo
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- CN202675509U CN202675509U CN2012203324206U CN201220332420U CN202675509U CN 202675509 U CN202675509 U CN 202675509U CN 2012203324206 U CN2012203324206 U CN 2012203324206U CN 201220332420 U CN201220332420 U CN 201220332420U CN 202675509 U CN202675509 U CN 202675509U
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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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- 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]
- Y02B30/56—Heat recovery units
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Abstract
The utility model discloses a water-cooling type heat pump air conditioning unit with an antifreezing solution regenerated heat reclaiming device, and the water-cooling type heat pump air conditioning unit comprises a compressor, a water cooling type condenser, a cooling tower, a throttling device, an evaporator and the antifreezing solution regenerated heat reclaiming device, wherein an interface on one end of the compressor is respectively connected with the gas pipe of the water cooling type condenser and the gas pipe of the evaporator, an interface on the other end of the compressor is respectively connected with the gas pipe of the water cooling type condenser and the gas pipe of the evaporator, the two ends of the throttling device are respectively connected with the liquid pipe of the water cooling type condenser and the liquid pipe of the evaporator, and the water cooling type condenser, the cooling tower and the antifreezing solution regenerated heat reclaiming device are orderly connected to form a cooling water system. The water-cooling type heat pump air conditioning unit can be used for realizing the regeneration of the solution and the recycling of the renewable energy, and preventing the antifreezing solution from being frozen. The water-cooling type heat pump air conditioning unit can be used for absorbing heat from outdoor air by virtue of the cooling tower, thereby providing a technical support for realizing the efficient, continuous and stable heat supply.
Description
Technical field
The utility model relates to the heat-pump air-conditioner technical group field of idle call, particularly a kind of water-cooled heat pump air conditioner unit with anti-icing fluid regenerated heat retracting device.
Background technology
Adopting cooling tower heat-obtaining and for the water-cooled heat pump air conditioner unit in winter provides heat energy in the outdoor air, is to realize important channel efficient, stable heating, compares with air source heat pump, its heat exchange efficiency is high, save heat exchanger materials, can realize continuous heat supply, have significant energy-saving and emission-reduction prospect.But, at present in the water-cooled heat pump air conditioner unit commonly used, when the refrigerating medium in the cooling tower (cooling water) temperature is lower than 0 ℃, refrigerating medium will glaciation, make the parts of cooling tower and connection thereof may have the danger of expansion rhegma, if at this moment can obtain the anti-freezing solution of suitable concn, can guarantee that then each parts works at low temperatures.In addition, when heat pump working condition, cooling tower is behind the air heat-obtaining, and the temperature of air reduces, and can make airborne condensate moisture, this partial condensation water enters in the anti-freezing solution, to cause again the anti-freezing solution dilution, along with anti-freezing solution concentration reduces, the freezing point of anti-freezing solution can improve, such as the concentration (or claiming regeneration of waste liquor) of untimely raising anti-freezing solution, the parts such as the solution pool of cooling tower, water pump still have expansion rhegma risk.For addressing this problem, how the solution that is diluted is added the antifreezing agents of high concentration at present, the anti-freezing solution that is diluted that overflows is left in the indoor or underground solution holding vessel, after outdoor temperature raises, again weak solution is pumped in the cooling tower, utilize airborne energy to realize regeneration of waste liquor, but the method needs the very antifreezing agent of high concentration, jumbo concentrated solution and weak solution holding vessel, cause the antifreezing agent use amount large, the solution storage area is huge, initial cost is high, and increase the operating cost of antifreezing agent, greatly limited cooling tower as the heat pump air conditioner unit of the heat pump heat-obtaining device scope of application at low temp area.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of safe and reliable, can stablize and improve anti-freezing solution concentration, and can realize the water-cooled heat pump air conditioner unit with anti-freezing solution regenerated heat retracting device of heat recovery, the use of this unit effectively reduces initial cost and the operating cost of refrigerated air-conditioning system.
The technical solution of the utility model is: a kind of water-cooled heat pump air conditioner unit with anti-freezing solution regenerated heat retracting device, comprise compressor, water cooled condenser, cooling tower, throttling arrangement, evaporimeter and anti-freezing solution regenerated heat retracting device, the interface of compressor one end connects respectively the flue of water cooled condenser and the flue of evaporimeter, the interface of the compressor other end also connects respectively the flue of water cooled condenser and the flue of evaporimeter, the throttling arrangement two ends connect respectively the liquid line of water cooled condenser and the liquid line of evaporimeter, water cooled condenser, cooling tower and anti-freezing solution regenerated heat retracting device are in turn connected to form cooling water system;
Anti-freezing solution regenerated heat retracting device comprises regeneration container and water vapour condensation heat recover, is connected by the water vapour passage between regeneration container and the water vapour condensation heat recover; Be provided with heater in the regeneration container, regeneration container is connected with the anti-freezing solution port of export of cooling tower by low concentration anti-freezing solution passage, regeneration container is connected with the anti-freezing solution entrance point of water cooled condenser by high concentration anti-freezing solution passage, the anti-freezing solution entrance point of water cooled condenser also is connected with the anti-freezing solution port of export of cooling tower, and the anti-freezing solution port of export of water cooled condenser is connected with the anti-freezing solution entrance point of cooling tower; Be provided with heat exchanger in the water vapour condensation heat recover, be respectively equipped with heat exchange medium import and heat exchange medium exit on the heat exchanger, the heat exchange medium import is connected with water cooled condenser by the first heat pump valve, heat exchange medium exit is connected with compressor by the second heat pump valve, also is provided with condensation-water drain on the water vapour condensation heat recover.
Heat exchange medium in the described heat exchanger is the unit cold-producing medium.
Described high concentration anti-freezing solution passage is provided with solution pump.
The interface of described compressor one end is refrigeration import and heat import simultaneously, and the interface of the compressor other end exports and heat outlet for refrigeration simultaneously; Wherein, the pipeline that the refrigeration outlet is connected with the water cooled condenser flue is provided with the first refrigeration valve, the pipeline that the refrigeration import is connected with the evaporimeter flue is provided with the second refrigeration valve, heat the pipeline that is connected with the evaporimeter flue of outlet and be provided with the 3rd heat pump valve, heat the pipeline that import is connected with the water cooled condenser flue and be provided with the 4th heat pump valve.
The interface of described compressor one end is refrigeration import and heat import simultaneously, and the interface of the compressor other end exports and heat outlet for refrigeration simultaneously; The interface of compressor one end is provided with the first two position three way directional control valve, the interface of the compressor other end is provided with the second two position three way directional control valve, two imports of the first two position three way directional control valve are connected flue by pipeline and the flue of water cooled condenser respectively and are connected with evaporimeter, two outlets of the second two position three way directional control valve also are connected flue by pipeline and the flue of water cooled condenser respectively and are connected with evaporimeter.
The interface of described compressor one end is refrigeration import and heat import simultaneously, and the interface of the compressor other end exports and heat outlet for refrigeration simultaneously; Simultaneously be provided with four-way change-over valve as refrigeration outlet and the interface that heats outlet on the compressor, other three interfaces of the four-way change-over valve respectively flue of the flue by pipeline and water cooled condenser, evaporimeter are connected with compressor simultaneously and are connected with the interface that is connected import as the import of freezing.
In the said apparatus structure, described heater adopts the heater of resistance-type, electromagnetic type, steam-type, combustion type, fuel oil type or oily hot type, and the thermal source of heater is the hot water that electricity, combustion gas, fuel oil, fume afterheat, compressor air-discharging or source pump are produced.Described heat exchanger adopts fin tube type, shell-and-tube, bushing type or board-like heat exchanger.Described the first refrigeration valve, the second refrigeration valve, the first heat pump valve, the second heat pump valve, the 3rd heat pump valve and the 4th heat pump valve all can adopt motor-driven valve or hand-operated valve.Described the first two position three way directional control valve and the second two position three way directional control valve all can adopt electronic or pneumatic two position three way directional control valve.
When this water cooling cold Hot water units with anti-freezing solution regenerated heat retracting device used, its principle is: compressor, water cooled condenser, throttling arrangement and evaporimeter formed simultaneously the kind of refrigeration cycle pattern and heat circulation pattern; When as the kind of refrigeration cycle pattern, solution is sent by the refrigeration outlet of compressor, passes through successively water cooled condenser, throttling arrangement and evaporimeter, and the at last refrigeration import by compressor enters compressor, thereby forms the kind of refrigeration cycle pattern; When conduct heated circulation pattern, solution was sent by the outlet that heats of compressor, passes through successively evaporimeter, throttling arrangement and water cooled condenser, and the at last import that heats by compressor enters compressor, heats circulation pattern thereby form.Wherein, the principle of anti-freezing solution regenerated heat retracting device is: the low concentration anti-freezing solution in the cooling tower enters regeneration container from low concentration anti-freezing solution passage, by heater the low concentration anti-freezing solution is carried out heating evaporation, the high-temperature water vapor that produces is delivered to water vapour condensation heat recover from the water vapour passage, and the high concentration anti-freezing solution that obtains behind the heating evaporation is sent from high concentration anti-freezing solution passage; Water vapour carries out heat exchange by heat exchanger and heat exchange medium (unit cold-producing medium) in water vapour condensation heat recover, send from condensation-water drain after water vapour is cooled.
The utility model has following beneficial effect with respect to prior art:
1, realized regeneration of waste liquor, avoided anti-freezing solution frozen: the low concentration anti-freezing solution in from the cooling tower to the regeneration container is through the heat effect of heater, evaporate high-temperature water vapor, return cooling tower after making weak solution be transformed into concentrated solution, guaranteed that the anti-freezing solution concentration in the cooling tower remains on proper level, continued to satisfy the antifreeze demand of system's operation.
2, realized the recycling of the regeneration of waste liquor energy: the low concentration anti-freezing solution in the thermal regeneration container and the high-temperature water vapor that produces enters water vapour condensation heat recover by the water vapour passage, carry out heat exchange with the cold-producing medium in the heat exchanger, not only the water vapour of high temperature is condensed into the condensed water of low temperature, and the temperature of the cold-producing medium of low temperature raise, the energy that heating and anti-freezing solution consumes is recycled utilization by water vapour condensation exotherm, the evaporating temperature when improving heat pump working condition simultaneously, unit performance and operation stability.
3, realized the frostless operation of heat pump: the low concentration anti-freezing solution in the cooling tower is through anti-freezing solution regenerated heat retracting device, improved solution concentration, cooling tower and parts generation frosting thereof or icing phenomenon in the time of can avoiding heat pump working condition, make heat pump working condition realize continuously operation, avoid the long-term discontinuity defrosting of air-cooled heat pump, affected the heat pump effect.
The fresh water of 4, being discharged by condensation-water drain can be used as the water source of the equipment such as domestic water and indoor humidification, has realized that water resource is recycling.
5, this anti-freezing solution regenerated heat retracting device realizes that by cooling tower heat-obtaining from outdoor air efficient, continuous, stable heating provides technical guarantee for water-cooled heat pump air conditioner unit, and has effectively expanded and adopted the air source heat pump of cooling tower in the scope of application of low temp area.
Description of drawings
Fig. 1 is the principle schematic of this Water-cooling type air conditioner source pump embodiment 1.
Fig. 2 is the principle schematic of this Water-cooling type air conditioner source pump embodiment 2.
Fig. 3 is the principle schematic of this Water-cooling type air conditioner source pump embodiment 3.
Fig. 4 is the principle schematic of this Water-cooling type air conditioner source pump embodiment 4.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
A kind of water-cooled heat pump air conditioner unit with anti-freezing solution regenerated heat retracting device of the present embodiment, as shown in Figure 1, comprise compressor 1, water cooled condenser 2, cooling tower 3, throttling arrangement 4, evaporimeter 5 and anti-freezing solution regenerated heat retracting device, the interface 23 of compressor 1 one ends connects respectively the flue of water cooled condenser 2 and the flue of evaporimeter 5, the interface 22 of compressor 1 other end also connects respectively the flue of water cooled condenser 2 and the flue of evaporimeter 5, throttling arrangement 4 two ends connect respectively the liquid line of water cooled condenser 2 and the liquid line of evaporimeter 5, water cooled condenser 2, cooling tower 3 and anti-freezing solution regenerated heat retracting device are in turn connected to form cooling water system;
Anti-freezing solution regenerated heat retracting device comprises regeneration container 6 and water vapour condensation heat recover 9, is connected by water vapour passage 8 between regeneration container 6 and the water vapour condensation heat recover 9; Be provided with heater 7 in the regeneration container 6, regeneration container 6 is connected with the anti-freezing solution port of export of cooling tower 3 by low concentration anti-freezing solution passage 13, regeneration container 6 is connected with the anti-freezing solution entrance point of water cooled condenser 2 by high concentration anti-freezing solution passage 14, the anti-freezing solution entrance point of water cooled condenser 2 also is connected with the anti-freezing solution port of export of cooling tower 3, and the anti-freezing solution port of export of water cooled condenser 2 is connected with the anti-freezing solution entrance point of cooling tower 3; Be provided with heat exchanger 10 in the water vapour condensation heat recover 9, be respectively equipped with heat exchange medium import 11 and heat exchange medium exit 12 on the heat exchanger 10, heat exchange medium import 11 is connected with water cooled condenser 2 by the first heat pump valve 16, heat exchange medium exit 12 is connected with compressor 1 by the second heat pump valve 17, also is provided with condensation-water drain 15 on the water vapour condensation heat recover 10.
Heat exchange medium in the heat exchanger 10 is the unit cold-producing medium.
The interface 23 of compressor 1 one ends is refrigeration import and heat import simultaneously, and the interface 22 of compressor 1 other end exports and heat outlet for refrigeration simultaneously; Wherein, the pipeline that the refrigeration outlet is connected with the water cooled condenser flue is provided with the first refrigeration valve 18, the pipeline that the refrigeration import is connected with the evaporimeter flue is provided with the second refrigeration valve 19, heat the pipeline that is connected with the evaporimeter flue of outlet and be provided with the 3rd heat pump valve 20, heat the pipeline that import is connected with the water cooled condenser flue and be provided with the 4th heat pump valve 21.
In the said apparatus structure, heater 7 can adopt the heater of resistance-type, electromagnetic type, steam-type, combustion type, fuel oil type or oily hot type, and the thermal source of heater can be the hot water that electricity, combustion gas, fuel oil, fume afterheat, compressor air-discharging or source pump are produced.Heat exchanger 10 can adopt fin tube type, shell-and-tube, bushing type or board-like heat exchanger.The first refrigeration valve, the second refrigeration valve, the first heat pump valve, the second heat pump valve, the 3rd heat pump valve and the 4th heat pump valve all can adopt motor-driven valve or hand-operated valve.
When this water cooling cold Hot water units with anti-freezing solution regenerated heat retracting device used, its principle is: compressor, water cooled condenser, throttling arrangement and evaporimeter formed simultaneously the kind of refrigeration cycle pattern and heat circulation pattern; When as the kind of refrigeration cycle pattern, solution is sent by the refrigeration outlet of compressor, passes through successively water cooled condenser, throttling arrangement and evaporimeter, and the at last refrigeration import by compressor enters compressor, thereby forms the kind of refrigeration cycle pattern; When conduct heated circulation pattern, solution was sent by the outlet that heats of compressor, passes through successively evaporimeter, throttling arrangement and water cooled condenser, and the at last import that heats by compressor enters compressor, heats circulation pattern thereby form.Wherein, the principle of anti-freezing solution regenerated heat retracting device is: the low concentration anti-freezing solution in the cooling tower enters regeneration container from low concentration anti-freezing solution passage, by heater the low concentration anti-freezing solution is carried out heating evaporation, the high-temperature water vapor that produces is delivered to water vapour condensation heat recover from the water vapour passage, and the high concentration anti-freezing solution that obtains behind the heating evaporation is sent from high concentration anti-freezing solution passage; Water vapour carries out heat exchange by heat exchanger and heat exchange medium (unit cold-producing medium) in water vapour condensation heat recover, send from condensation-water drain after water vapour is cooled.
Embodiment 2
A kind of water-cooled heat pump air conditioner unit with anti-freezing solution regenerated heat retracting device of the present embodiment as shown in Figure 2, is compared with embodiment 1, and its difference is, high concentration anti-freezing solution passage 14 is provided with solution pump 24.
Embodiment 3
A kind of water-cooled heat pump air conditioner unit with anti-freezing solution regenerated heat retracting device of the present embodiment, as shown in Figure 3, compare with embodiment 1, its difference is, the interface 23 of compressor one end is refrigeration import and heat import simultaneously, and the interface 22 of the compressor other end exports and heat outlet for refrigeration simultaneously; The interface 23 of compressor one end is provided with the first two position three way directional control valve 26, the interface 22 of the compressor other end is provided with the second two position three way directional control valve 25, two imports of the first two position three way directional control valve are connected flue by pipeline and the flue of water cooled condenser respectively and are connected with evaporimeter, two outlets of the second two position three way directional control valve also are connected flue by pipeline and the flue of water cooled condenser respectively and are connected with evaporimeter.
Wherein, the first two position three way directional control valve and the second two position three way directional control valve all can adopt electronic or pneumatic two position three way directional control valve.
Embodiment 4
A kind of water-cooled heat pump air conditioner unit with anti-freezing solution regenerated heat retracting device of the present embodiment, as shown in Figure 4, compare with embodiment 1, its difference is, the interface 23 of compressor one end is refrigeration import and heat import simultaneously, and the interface 22 of the compressor other end exports and heat outlet for refrigeration simultaneously; Simultaneously be provided with four-way change-over valve 27 as refrigeration outlet and the interface that heats outlet on the compressor, other three interfaces of the four-way change-over valve respectively flue of the flue by pipeline and water cooled condenser, evaporimeter are connected with compressor simultaneously and are connected with the interface that is connected import as the import of freezing.
As mentioned above, just can realize preferably the utility model, above-described embodiment is preferred embodiment of the present utility model only, is not to limit practical range of the present utility model; Be that all equalizations of doing according to the utility model content change and modification, all contained by the utility model claim scope required for protection.
Claims (6)
1. water-cooled heat pump air conditioner unit with anti-freezing solution regenerated heat retracting device, it is characterized in that, comprise compressor, water cooled condenser, cooling tower, throttling arrangement, evaporimeter and anti-freezing solution regenerated heat retracting device, the interface of compressor one end connects respectively the flue of water cooled condenser and the flue of evaporimeter, the interface of the compressor other end also connects respectively the flue of water cooled condenser and the flue of evaporimeter, the throttling arrangement two ends connect respectively the liquid line of water cooled condenser and the liquid line of evaporimeter, water cooled condenser, cooling tower and anti-freezing solution regenerated heat retracting device are in turn connected to form cooling water system;
Anti-freezing solution regenerated heat retracting device comprises regeneration container and water vapour condensation heat recover, is connected by the water vapour passage between regeneration container and the water vapour condensation heat recover; Be provided with heater in the regeneration container, regeneration container is connected with the anti-freezing solution port of export of cooling tower by low concentration anti-freezing solution passage, regeneration container is connected with the anti-freezing solution entrance point of water cooled condenser by high concentration anti-freezing solution passage, the anti-freezing solution entrance point of water cooled condenser also is connected with the anti-freezing solution port of export of cooling tower, and the anti-freezing solution port of export of water cooled condenser is connected with the anti-freezing solution entrance point of cooling tower; Be provided with heat exchanger in the water vapour condensation heat recover, be respectively equipped with heat exchange medium import and heat exchange medium exit on the heat exchanger, the heat exchange medium import is connected with water cooled condenser by the first heat pump valve, heat exchange medium exit is connected with compressor by the second heat pump valve, also is provided with condensation-water drain on the water vapour condensation heat recover.
2. described a kind of water-cooled heat pump air conditioner unit with anti-freezing solution regenerated heat retracting device according to claim 1 is characterized in that, the heat exchange medium in the described heat exchanger is the unit cold-producing medium.
3. described a kind of water-cooled heat pump air conditioner unit with anti-freezing solution regenerated heat retracting device according to claim 1 is characterized in that, described high concentration anti-freezing solution passage is provided with solution pump.
4. described a kind of water-cooled heat pump air conditioner unit with anti-freezing solution regenerated heat retracting device according to claim 1, it is characterized in that, the interface of described compressor one end is refrigeration import and heat import simultaneously, and the interface of the compressor other end exports and heat outlet for refrigeration simultaneously; Wherein, the pipeline that the refrigeration outlet is connected with the water cooled condenser flue is provided with the first refrigeration valve, the pipeline that the refrigeration import is connected with the evaporimeter flue is provided with the second refrigeration valve, heat the pipeline that is connected with the evaporimeter flue of outlet and be provided with the 3rd heat pump valve, heat the pipeline that import is connected with the water cooled condenser flue and be provided with the 4th heat pump valve.
5. described a kind of water-cooled heat pump air conditioner unit with anti-freezing solution regenerated heat retracting device according to claim 1, it is characterized in that, the interface of described compressor one end is refrigeration import and heat import simultaneously, and the interface of the compressor other end exports and heat outlet for refrigeration simultaneously; The interface of compressor one end is provided with the first two position three way directional control valve, the interface of the compressor other end is provided with the second two position three way directional control valve, two imports of the first two position three way directional control valve are connected flue by pipeline and the flue of water cooled condenser respectively and are connected with evaporimeter, two outlets of the second two position three way directional control valve also are connected flue by pipeline and the flue of water cooled condenser respectively and are connected with evaporimeter.
6. described a kind of water-cooled heat pump air conditioner unit with anti-freezing solution regenerated heat retracting device according to claim 1, it is characterized in that, the interface of described compressor one end is refrigeration import and heat import simultaneously, and the interface of the compressor other end exports and heat outlet for refrigeration simultaneously; Simultaneously be provided with four-way change-over valve as refrigeration outlet and the interface that heats outlet on the compressor, other three interfaces of the four-way change-over valve respectively flue of the flue by pipeline and water cooled condenser, evaporimeter are connected with compressor simultaneously and are connected with the interface that is connected import as the import of freezing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203324206U CN202675509U (en) | 2012-07-10 | 2012-07-10 | Water-cooling type heat pump air conditioning unit with antifreezing solution regenerated heat reclaiming device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012203324206U CN202675509U (en) | 2012-07-10 | 2012-07-10 | Water-cooling type heat pump air conditioning unit with antifreezing solution regenerated heat reclaiming device |
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| CN202675509U true CN202675509U (en) | 2013-01-16 |
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| CN2012203324206U Expired - Lifetime CN202675509U (en) | 2012-07-10 | 2012-07-10 | Water-cooling type heat pump air conditioning unit with antifreezing solution regenerated heat reclaiming device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299989A (en) * | 2015-12-04 | 2016-02-03 | 山东富特能源管理股份有限公司 | Recycling method for effect-raising anti-freezing solution of air cooled heat pump |
-
2012
- 2012-07-10 CN CN2012203324206U patent/CN202675509U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299989A (en) * | 2015-12-04 | 2016-02-03 | 山东富特能源管理股份有限公司 | Recycling method for effect-raising anti-freezing solution of air cooled heat pump |
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Granted publication date: 20130116 |