CN105571220A - Regeneration method for defrosting anti-freezing solution for air cooled heat pump - Google Patents
Regeneration method for defrosting anti-freezing solution for air cooled heat pump Download PDFInfo
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- CN105571220A CN105571220A CN201610097019.1A CN201610097019A CN105571220A CN 105571220 A CN105571220 A CN 105571220A CN 201610097019 A CN201610097019 A CN 201610097019A CN 105571220 A CN105571220 A CN 105571220A
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- China
- Prior art keywords
- icing fluid
- water
- heat pump
- defrosting
- collecting tray
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Classifications
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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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/006—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass for preventing frost
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/12—Removing frost by hot-fluid circulating system separate from the refrigerant system
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to a regeneration method for a defrosting anti-freezing solution for an air cooled heat pump. After the air cooled heat pump is frosted up in winter, a concentrated anti-freezing solution is sprayed onto an outdoor heat exchanger of the air cooled heat pump to achieve deicing and defrosting through an anti-freezing solution pump. After defrosting, the concentrated anti-freezing solution becomes a dilute anti-freezing solution, and the dilute anti-freezing solution flows into a water collecting disk. After reaching a certain liquid level, the dilute anti-freezing solution in the water collecting disk automatically flows into a heat preservation water tank. After the anti-freezing solution is heated through a solar thermal collector and a heating coil and part of water is evaporated away through an exhaust vent, the anti-freezing solution becomes a concentrated solution from the dilute solution, and in this way, regeneration and recycling of the anti-freezing solution are achieved. The defrosting technology for the air cooled heat pump is adopted for the regeneration method, and the air cooled heat pump does not need to be operated in a defrosting mode in winter. The defrosting efficiency is improved, the energy efficiency of the air cooled heat pump is improved, and the energy consumption is reduced. Regeneration and recycling of the anti-freezing solution are achieved through the solar thermal collector and the heating coil together, so that resources are effectively saved.
Description
Technical field
The present invention relates to a kind of wind-cooling heat pump defrosting anti-freeze fluid regenerating method, belong to anti-icing fluid technical field of regeneration.
Background technology
Air-cooled heat pump is in the process run winter, and because environment temperature is lower, the surface of outdoor heat exchanger has the even icing attachment of frost, thus have impact on the heat exchange efficiency of outdoor heat exchanger.In order to improve the heat exchange efficiency of air-cooled heat pump, air-cooled heat pump often just needs to change into defrosting mode after a while, and anti-icing fluid can remove the frost on air cooling module outdoor heat exchanger.And in the process of defrosting, room conditioning can not heat, and adds the running time of wind-cooling heat pump defrosting pattern, makes the efficiency of air-cooled heat pump reduce, and energy consumption is higher.
Traditional air-cooled heat pump, in the winter time, air-cooled heat pump runs, the role of what the outdoor heat exchanger of air-cooled heat pump was taken on is evaporimeter in air-conditioning system, now the temperature of outdoor heat exchanger is lower, the steam in the air of outdoor heat exchanger, meet cold after can be even icing at the surface condensation Cheng Shuan of outdoor heat exchanger, frost or ice are attached on the wall of heat exchanger, thus have impact on the heat exchange efficiency of outdoor heat exchanger.In order to improve the heat exchange efficiency of air-cooled heat pump, air-cooled heat pump often just needs to change into defrosting mode after a while, and outdoor heat exchanger takes on the role of condenser in air-conditioning system, condenser temperature is higher, can remove the frost on outdoor heat exchanger, and in the process of defrosting, room conditioning can not heat, add the running time of wind-cooling heat pump defrosting pattern, the efficiency of air-cooled heat pump is reduced, and energy consumption is higher.
Summary of the invention
The object of the present invention is to provide a kind of wind-cooling heat pump defrosting anti-freeze fluid regenerating method, can defrosting efficiency be improved, effectively improve air-cooled heat pump efficiency, reduce energy consumption, and solar thermal collector and heat(ing) coil are set together, realize anti-icing fluid regeneration, effectively economize on resources.
To achieve these goals, technical scheme of the present invention is as follows.
In a kind of wind-cooling heat pump defrosting anti-freeze fluid regenerating method, adopt device to be made up of solar thermal collector, attemperater, anti-icing fluid, heat(ing) coil, steam vent, antifreeze liquid pump, water-collecting tray, air-cooled heat pump outdoor heat exchanger, wherein, pipeline on solar thermal collector is connected with the heating tube dish be arranged in attemperater in anti-icing fluid, antifreeze liquid pump utilizes pipeline to be connected between attemperater and water-collecting tray, and water-collecting tray is arranged on air-cooled heat pump outdoor heat exchanger bottom; Steam vent is arranged on attemperater top; Solar thermal collector heating efficiency is more than 100 DEG C, and anti-icing fluid is CaCl
2in the method, after air-cooled heat pump frosting in winter, anti-icing fluid concentrated solution is sprayed onto on air-cooled heat pump outdoor heat exchanger by antifreeze liquid pump changes ice defrosting, becomes anti-icing fluid weak solution and is left in water-collecting tray, after the anti-icing fluid weak solution in water-collecting tray arrives certain liquid level after defrosting, in automatic inflow attemperater, walked after a part of water by steam vent evaporation through solar thermal collector and heat(ing) coil heating, anti-icing fluid becomes concentrated solution by weak solution, so just achieves the recycling utilization of anti-icing fluid.
In the method, winter, air-cooled heat pump runs and heats, the surface of air-cooled heat pump outdoor heat exchanger has the even icing attachment of frost, for improving the heat exchange efficiency of air-cooled heat pump, need defrosting, anti-icing fluid now in anti-icing fluid water-collecting tray is sprayed onto on air-cooled heat pump outdoor heat exchanger by freezing the antifreeze liquid pump of liquid pump, the freezing point temperature of anti-icing fluid is lower than the surface temperature of air-cooled heat pump outdoor heat exchanger, can not to freeze but also can by the melts Cheng Shui above air-cooled heat pump outdoor heat exchanger, with the wind cold-heat pump outdoor heat exchanger flow in water-collecting tray, owing to adding the water that air-cooled heat pump outdoor heat exchanger frost changes into inside water-collecting tray, anti-icing fluid will be diluted, and water level rises, so send out the defrosting of complexification ice, anti-icing fluid in anti-icing fluid collecting box will reduce, water level in water-collecting tray also can raise.Along with the carrying out of defrost process, anti-icing fluid weak solution is also cumulative, and after in water-collecting tray, anti-icing fluid weak solution water level is elevated to pipeline outflow liquid level, anti-icing fluid weak solution is flow in attemperater by pipeline.Solar thermal collector and heat(ing) coil heat attemperater, and the moisture after heating in anti-icing fluid weak solution can evaporate, and become concentrated solution, store, recycle as defrosting anti-icing fluid by steam vent evaporation after walking a part of water; Anti-icing fluid concentrated solution is back in water-collecting tray, water level in water-collecting tray will reduce, so repeatedly run, when the anti-icing fluid water level decreasing in water-collecting tray is to certain calibration position, the anti-icing fluid in water-collecting tray will be flow in anti-icing fluid concentrated solution case by pipeline and store; Now in anti-icing fluid weak solution collecting box, weak solution passes through anti-icing fluid transport pump in water-collecting tray, and then continue to be directed onto on air-cooled heat pump outdoor heat exchanger, such iterative cycles, anti-icing fluid in anti-icing fluid concentrated solution case can get more and more, weak solution in anti-icing fluid weak solution collecting box can be fewer and feweri, thus achieve the recycling of anti-icing fluid.
So, in design and installation after solar thermal collector and heat(ing) coil, the defrosting anti-icing fluid in system is renewable recycles, thus economize energy; Eliminate the running time of wind-cooling heat pump defrosting pattern simultaneously in the winter time, improve the efficiency of air-cooled heat pump.
This beneficial effect of the invention is: traditional air-cooled heat pump, winter is outdoor heat exchanger meeting frosting in running, and air-cooled heat pump often just needs to change into defrosting mode after a while, the frost on removing outdoor heat exchanger, the efficiency of air-cooled heat pump is reduced, and energy consumption is higher.Adopt wind-cooling heat pump defrosting technology, winter, air-cooled heat pump did not need to run in defrost mode, and defrosting efficiency improves, and air-cooled heat pump efficiency improves, and energy consumption reduces.Solar thermal collector, together with heat(ing) coil, achieves anti-icing fluid regeneration, has effectively saved resource.
Accompanying drawing explanation
Fig. 1 is institute's operative installations annexation schematic diagram in the embodiment of the present invention.
Description of symbols in figure: 1, solar thermal collector; 2, attemperater; 3, anti-icing fluid; 4, heat(ing) coil; 5, steam vent; 6, antifreeze liquid pump; 7, water-collecting tray; 8, air-cooled heat pump outdoor heat exchanger.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described, better to understand the present invention.
Embodiment
Use in wind-cooling heat pump defrosting anti-freeze fluid regenerating method in the present embodiment, adopt device as shown in Figure 1, be made up of solar thermal collector 1, attemperater 2, anti-icing fluid 3, heat(ing) coil 4, steam vent 5, antifreeze liquid pump 6, water-collecting tray 7, air-cooled heat pump outdoor heat exchanger 8, wherein, pipeline on solar thermal collector 1 is connected with the heating tube dish 4 be arranged in attemperater 2 in anti-icing fluid 3, antifreeze liquid pump 6 utilizes pipeline to be connected between attemperater 2 and water-collecting tray 7, and water-collecting tray 7 is arranged on air-cooled heat pump outdoor heat exchanger 8 bottom; Steam vent 5 is arranged on attemperater 2 top; Solar thermal collector 1 heating efficiency is more than 100 DEG C, and anti-icing fluid 3 is CaCl
2after adopting the frosting of this system air-cooled heat pump in winter, anti-icing fluid 3 concentrated solution is sprayed onto on air-cooled heat pump outdoor heat exchanger 8 by antifreeze liquid pump 6 changes ice defrosting, becoming anti-icing fluid weak solution after defrosting is left in water-collecting tray 7, after anti-icing fluid weak solution in water-collecting tray 7 arrives certain liquid level, in automatic inflow attemperater 2, heat through solar thermal collector 1 and heat(ing) coil 4 and evaporate after a part of water by steam vent 5, anti-icing fluid becomes concentrated solution by weak solution, so just achieves the recycling utilization of anti-icing fluid.
Winter, air-cooled heat pump runs and heats, the surface of air-cooled heat pump outdoor heat exchanger 8 has the even icing attachment of frost, for improving the heat exchange efficiency of air-cooled heat pump, need defrosting, anti-icing fluid 3 now in anti-icing fluid water-collecting tray is sprayed onto on air-cooled heat pump outdoor heat exchanger 8 by freezing the antifreeze liquid pump 6 of liquid pump, the freezing point temperature of anti-icing fluid is lower than the surface temperature of air-cooled heat pump outdoor heat exchanger 8, can not to freeze but also can by the melts Cheng Shui above air-cooled heat pump outdoor heat exchanger 8, with the wind cold-heat pump outdoor heat exchanger 8 flow in water-collecting tray 7, owing to adding the water that air-cooled heat pump outdoor heat exchanger 8 frost changes into inside water-collecting tray 7, anti-icing fluid 3 will be diluted, and water level rises, so send out the defrosting of complexification ice, anti-icing fluid in anti-icing fluid collecting box will reduce, water level in water-collecting tray 7 also can raise.Along with the carrying out of defrost process, anti-icing fluid weak solution is also cumulative, and after in water-collecting tray 7, anti-icing fluid weak solution water level is elevated to pipeline outflow liquid level, anti-icing fluid weak solution is flow in attemperater 2 by pipeline.Solar thermal collector 1 and heat(ing) coil 4 pairs of attemperaters heat, and the moisture after heating in anti-icing fluid weak solution can evaporate, and become concentrated solution, store by steam vent 5 after evaporating a part of water, recycle as defrosting anti-icing fluid; Anti-icing fluid concentrated solution is back in water-collecting tray 7, water level in water-collecting tray 7 will reduce, so repeatedly run, when the anti-icing fluid water level decreasing in water-collecting tray 7 is to certain calibration position, the anti-icing fluid in water-collecting tray 7 will be flow in anti-icing fluid concentrated solution case by pipeline and store; Now in anti-icing fluid weak solution collecting box, weak solution is transported in water-collecting tray 7 by antifreeze liquid pump 6, and then continue to be directed onto on air-cooled heat pump outdoor heat exchanger 8, such iterative cycles, anti-icing fluid 3 in anti-icing fluid concentrated solution case can get more and more, weak solution in anti-icing fluid weak solution collecting box can be fewer and feweri, thus achieve the recycling of anti-icing fluid.
So, in design and installation after solar thermal collector and heat(ing) coil, the defrosting anti-icing fluid in system is renewable recycles, thus economize energy; Eliminate the running time of wind-cooling heat pump defrosting pattern simultaneously in the winter time, improve the efficiency of air-cooled heat pump.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (2)
1. a wind-cooling heat pump defrosting anti-freeze fluid regenerating method, it is characterized in that: adopt device to be made up of solar thermal collector, attemperater, anti-icing fluid, heat(ing) coil, steam vent, antifreeze liquid pump, water-collecting tray, air-cooled heat pump outdoor heat exchanger, pipeline on described solar thermal collector is connected with the heating tube dish be arranged in attemperater in anti-icing fluid, antifreeze liquid pump utilizes pipeline to be connected between attemperater and water-collecting tray, and water-collecting tray is arranged on air-cooled heat pump outdoor heat exchanger bottom; Steam vent is arranged on attemperater top; Solar thermal collector heating efficiency is more than 100 DEG C, and anti-icing fluid is CaCl
2in the method, after air-cooled heat pump frosting in winter, anti-icing fluid concentrated solution is sprayed onto on air-cooled heat pump outdoor heat exchanger by antifreeze liquid pump changes ice defrosting, becomes anti-icing fluid weak solution and is left in water-collecting tray, after the anti-icing fluid weak solution in water-collecting tray arrives certain liquid level after defrosting, in automatic inflow attemperater, walked after a part of water by steam vent evaporation through solar thermal collector and heat(ing) coil heating, anti-icing fluid becomes concentrated solution by weak solution, so just achieves the recycling utilization of anti-icing fluid.
2. in wind-cooling heat pump defrosting anti-freeze fluid regenerating method according to claim 1, it is characterized in that: in described method, anti-icing fluid in anti-icing fluid water-collecting tray is sprayed onto on air-cooled heat pump outdoor heat exchanger by freezing the antifreeze liquid pump of liquid pump, the freezing point temperature of anti-icing fluid is lower than the surface temperature of air-cooled heat pump outdoor heat exchanger, can not to freeze but also can by the melts Cheng Shui above air-cooled heat pump outdoor heat exchanger, with the wind cold-heat pump outdoor heat exchanger flow in water-collecting tray, owing to adding the water that air-cooled heat pump outdoor heat exchanger frost changes into inside water-collecting tray, anti-icing fluid will be diluted, and water level rises, so send out the defrosting of complexification ice, anti-icing fluid in anti-icing fluid collecting box will reduce, water level in water-collecting tray also can raise, along with the carrying out of defrost process, anti-icing fluid weak solution is also cumulative, and after in water-collecting tray, anti-icing fluid weak solution water level is elevated to pipeline outflow liquid level, anti-icing fluid weak solution flows in attemperater by pipeline, solar thermal collector and heat(ing) coil heat attemperater, and the moisture after heating in anti-icing fluid weak solution can evaporate, and become concentrated solution after walking a part of water by steam vent evaporation, save as defrosting anti-icing fluid and recycle, anti-icing fluid concentrated solution is back in water-collecting tray, water level in water-collecting tray will reduce, so repeatedly run, when the anti-icing fluid water level decreasing in water-collecting tray is to certain calibration position, the anti-icing fluid in water-collecting tray will be flow in anti-icing fluid concentrated solution case by pipeline and store, now in anti-icing fluid weak solution collecting box, weak solution passes through anti-icing fluid transport pump in water-collecting tray, and then continue to be directed onto on air-cooled heat pump outdoor heat exchanger, such iterative cycles, anti-icing fluid in anti-icing fluid concentrated solution case can get more and more, weak solution in anti-icing fluid weak solution collecting box can be fewer and feweri, thus achieve the recycling of anti-icing fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610097019.1A CN105571220A (en) | 2016-02-23 | 2016-02-23 | Regeneration method for defrosting anti-freezing solution for air cooled heat pump |
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| CN201610097019.1A CN105571220A (en) | 2016-02-23 | 2016-02-23 | Regeneration method for defrosting anti-freezing solution for air cooled heat pump |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928302A (en) * | 2016-05-27 | 2016-09-07 | 青岛海尔股份有限公司 | Novel refrigerator defrosting system |
| CN107883621A (en) * | 2017-11-10 | 2018-04-06 | 山东奇威特太阳能科技有限公司 | Absorption installation concentrated solution bypass defrosting device |
| CN108507267A (en) * | 2017-09-15 | 2018-09-07 | 樊永信 | A kind of solar energy defrosting system for refrigeration house suitable for indirect refrigeration system |
| CN109386932A (en) * | 2018-10-30 | 2019-02-26 | 广东美的制冷设备有限公司 | Recycle the circulation defrosting method of defrosting system, air conditioner and air conditioner |
| CN114264071A (en) * | 2021-12-22 | 2022-04-01 | 何智琴 | Air energy and solar energy integrated hot water and heating device |
| DE102021200883A1 (en) | 2021-02-01 | 2022-08-04 | Robert Bosch Gesellschaft mit beschränkter Haftung | Temperature control system for an electrochemical energy store of an electrically operable vehicle, method for cooling an energy store and electrically operable vehicle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928302A (en) * | 2016-05-27 | 2016-09-07 | 青岛海尔股份有限公司 | Novel refrigerator defrosting system |
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| CN109386932A (en) * | 2018-10-30 | 2019-02-26 | 广东美的制冷设备有限公司 | Recycle the circulation defrosting method of defrosting system, air conditioner and air conditioner |
| DE102021200883A1 (en) | 2021-02-01 | 2022-08-04 | Robert Bosch Gesellschaft mit beschränkter Haftung | Temperature control system for an electrochemical energy store of an electrically operable vehicle, method for cooling an energy store and electrically operable vehicle |
| CN114264071A (en) * | 2021-12-22 | 2022-04-01 | 何智琴 | Air energy and solar energy integrated hot water and heating device |
| CN114264071B (en) * | 2021-12-22 | 2023-01-24 | 许昌佳宸热能科技有限公司 | Air energy and solar energy integrated hot water and heating device |
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