CN103363599A - Air conditioner system with cooling tower - Google Patents
Air conditioner system with cooling tower Download PDFInfo
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- CN103363599A CN103363599A CN2012100973469A CN201210097346A CN103363599A CN 103363599 A CN103363599 A CN 103363599A CN 2012100973469 A CN2012100973469 A CN 2012100973469A CN 201210097346 A CN201210097346 A CN 201210097346A CN 103363599 A CN103363599 A CN 103363599A
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Abstract
Disclosed is an air conditioner system with a cooling tower. When winter heating supplying is carried out, anti-freezing solution is added to cooling water to prevent the cooling water from freezing in the cooling tower and air conditioning equipment. Under the action of a circulating water pump, the cooling water enters the cooling tower to conduct heat exchange with air outdoors, absorbs heat in the air, and then enters an evaporator of a refrigerating unit; a refrigerant evaporates, absorbs the heat in the cooling water, and then condensates and releases heat in a condenser of the refrigerating unit through refrigerating cycles; after being heated in the condenser, air conditioner water is conveyed to an air conditioner room through the circulating water pump, and is used for winter heating. When summer cooling supplying is carried out, the cooling water with the added anti-freezing solution is discharged and collected, cleaning water is injected in the system, and refrigerating cycles can be carried out again. Therefore, the anti-freezing solution is added, and accordingly the air conditioner system with the cooling tower achieves the purposes of summer cooling supplying and winter heating supplying.
Description
Technical field
The invention belongs to the air conditioner refrigerating field, be specifically related to adopt the water-cooling type air conditioning system of cooling tower.
Background technology
Existing central air conditioner system is divided into water-cooled, air-cooled etc., and water-cooling type air conditioning system adopts the heat of cooling water absorption refrigeration agent, by cycle bleeder to outdoor.When using cooling tower summer, cooling water therein with the outdoor air heat exchange, the indoor heat that cold-producing medium is absorbed is discharged in the atmosphere.But in the winter time, when outdoor temperature is lower than zero degree, cooling water will freeze in cooling tower, and therefore, existing water-cooling type air conditioning system with cooling tower only can be used for summer cooling, and can not be used for heat supply in winter, the refrigeration unit that is used for cooling is the handpiece Water Chilling Units of single cold type, when the user need to heat, also will increase boiler, perhaps use the air-cooled equipment such as air source heat pump, increased equipment investment.
Summary of the invention
The object of the present invention is to provide a kind of both can summer cooling, the air-conditioning system with cooling tower that again can heat supply in winter.
Solution of the present invention is: during with the water-cooling type air conditioning system heat supply in winter of cooling tower, in cooling water, add anti-icing fluid (agent), prevent that cooling water is at cooling tower, circulating line, freeze in the evaporimeter of refrigeration unit, cooling water is under the effect of water circulating pump, in cooling tower with the outdoor air heat exchange, absorb airborne heat, be recycled to again in the evaporimeter of refrigeration unit, the cold-producing medium evaporation endothermic absorbs the heat in the cooling water, passes through kind of refrigeration cycle, cold-producing medium is the condensation heat release in the condenser of refrigeration unit, air conditioner water is delivered to air-conditioned room by water circulating pump after being heated therein, is used for heat supply in winter.When summer cooling, with adding the cooling water emptying of anti-icing fluid and collecting, in system, inject clean water, can carry out kind of refrigeration cycle again.Like this, by adding anti-icing fluid, realized the purpose of summer cooling, heat supply in winter.
Anti-icing fluid should adopt that composition is simple, stable performance, nontoxic, non-corrosiveness, free from environmental pollution, not volatile, do not fire, the product that not quick-fried, freezing point is low, thermal conductivity good, price is low, as: ethylene glycol solution, it is now widely used anti-icing fluid, such as motor vehicle antifreeze fluid, its freezing point is-11.5 ℃, minimum reaching-68 ℃ after mixing with water, but perishable metal, to add the anticorrosives such as sodium hydrogen phosphate, dextrin during allotment, and the batching such as scale preventative, bactericide.
In the winter time, especially the Changjiang river, Basin of Huaihe River and on the south the area, when outdoor temperature more than 0 ℃ the time, air humidity is high, the cooling water that adds anti-icing fluid is in cooling tower during with the outdoor air heat exchange, absorb airborne moisture, concentration reduction, the freezing point of anti-icing fluid are improved, easily freeze, dangerous, therefore to constantly add anti-icing fluid, perhaps to the cooling water heating, evaporate portion of water, anti-icing fluid is regenerated, concentrated, need to establish a cover reclaim equiment, also can adopt the method for the regeneration such as vacuum dehydration, desiccant dehydration.
Description of drawings
Fig. 1 is the air-conditioning system figure with opening cooling tower and single cold type handpiece Water Chilling Units.
Fig. 2 is the air-conditioning system figure with wet type enclosed type cooling tower and single cold type handpiece Water Chilling Units.
Fig. 3 is the air-conditioning system figure with opening cooling tower and pump type heat handpiece Water Chilling Units.
Fig. 4 is the air-conditioning system figure with wet type enclosed type cooling tower and pump type heat handpiece Water Chilling Units.
Fig. 5 is the air-conditioning system figure with dry type enclosed type cooling tower and pump type heat handpiece Water Chilling Units.
Fig. 6 is the air-conditioning system figure with opening, sealing interchanged type cooling tower and pump type heat handpiece Water Chilling Units.
Fig. 7 is the air-conditioning system figure with two opening cooling towers and two single cold type handpiece Water Chilling Units.
Fig. 8 is the air-conditioning system figure with two wet type enclosed type cooling towers and two pump type heat handpiece Water Chilling Units.
Description of reference numerals:
1,29,33,34, cooling tower, 2,32, refrigeration unit, 3, evaporimeter, 4, condenser, 5,6,28, circulating pump, 7,8, circulating line, 9,10,11,12,13,14,15,16,20,21,22,26,31,35,36,37,38,39,40,41, valve, 17,30, water leg, 18, regeneration tank, 19, heater, 23, airduct, 24, heat exchanger, 25, exhaust blower, 27, expander
The implementation way
Cooling tower 1 is opening cooling tower among Fig. 1, and refrigeration unit 2 is the single cold type handpiece Water Chilling Units.When heat supply in winter, open valve 9,10,13,14, valve-off 11,12,15,16, start air conditioner water circulating pump 5, cooling water circulating pump 6, refrigeration unit 2, cooling tower 1, because of winter outdoor temperature often be lower than 0 ℃, in the evaporimeter 3 of refrigeration unit 2, the evaporating temperature of cold-producing medium might be lower than 4 ℃, for preventing that cooling water is at cooling tower 1, circulating line 7, freeze in the evaporimeter 3 of refrigeration unit 2, in cooling water, add anti-icing fluid, by cooling water circulating pump 6, low-temperature cooling water is sprayed onto on the filler of cooling tower 1, carry out heat exchange with outdoor air, the temperature of cooling water is lower than outdoor air, it absorbs airborne heat, and temperature raises, and the cooling water that gutters down from filler is pooled to the water leg 17 of cooling tower 1 bottom.Because when cooling water and outdoor air heat exchange, airborne moisture will condense in the cooling water, concentration reduction, the freezing point of anti-icing fluid are improved, easily freeze, therefore will constantly add anti-icing fluid, perhaps cooling water is heated, evaporate portion of water, anti-icing fluid is regenerated, concentrated.Be provided with regeneration tank 18 for this reason, wherein be provided with heater 19, heating agent is electricity, solar energy, or other high temperature heat source, after cooling water was heated by heater 19, portion of water was evaporated to high-temperature water vapor, under the effect of exhaust blower 25, by airduct 23, heat exchanger 24, high-temperature water vapor and sub-cooled hydrothermal exchange reclaim heat, energy-saving and emission-reduction, exhaust blower 25 should prevent that water vapour from refluxing away from cooling tower 1, and the condensate water of water vapour enters in the sewer.Regenerative process to anti-icing fluid can be continuous or be interrupted, and by control valve 20,21,22, controls cooling water circuit and regeneration.
Like this, after cooling water passes through heat exchanger 24, cooling tower 1, water leg 17, regeneration tank 18, circulating pump 6, circulating line 7, get back to again in the evaporimeter 3 of refrigeration unit 2, the cold-producing medium evaporation endothermic absorbs the heat in the cooling water, pass through kind of refrigeration cycle, cold-producing medium condensation heat release in the condenser 4 of refrigeration unit 2 is after air conditioner water is heated therein, under the effect of air conditioner water circulating pump 5, deliver to air-conditioned room by circulating line 8, be used for heat supply in winter.
When summer cooling, to add the cooling water emptying of anti-icing fluid and collect, for subsequent use during winter, in system, inject clean water, open valve 11,12,15,16,22, valve-off 9,10,13,14,20,21, start air conditioner water circulating pump 5, cooling water circulating pump 6, refrigeration unit 2, cooling tower 1, regeneration tank 18 is stopped using, after air conditioner water absorbs the air-conditioned room heat, enter by air conditioner water circulating pump 5 in the evaporimeter 3 of refrigeration unit 2, the cold-producing medium evaporation endothermic absorbs the heat in the air conditioner water, pass through kind of refrigeration cycle, cold-producing medium condensation heat release in the condenser 4 of refrigeration unit 2, cooling water absorbs heat therein, under the effect of cooling water circulating pump 6, enter in the cooling tower 1, with the outdoor air heat exchange, the air-conditioned room heat is discharged in the atmosphere, system enters kind of refrigeration cycle in normal summer.
The water leg 30 band having heaters 19 of cooling tower 1 among Fig. 3, the effect that has simultaneously regeneration tank, saved equipment, refrigeration unit 32 is the pump type heat handpiece Water Chilling Units, during heat supply in winter, evaporimeter 3 converts condenser to, and condenser 4 converts evaporimeter to, saved the change working valve, system is greatly simplified.
Cooling tower 34 is opened valve 36,38 for open, sealing interchanged type cooling tower among Fig. 6, and valve-off 35,37, cooling tower 34 are opening cooling tower, open valve 35,37, and valve-off 36,38, cooling tower 34 are wet type enclosed type cooling tower.
By two opening cooling towers and two air-conditioning systems that the single cold type handpiece Water Chilling Units forms, for high-capacity air conditioning system, can establish cooling tower and refrigeration unit more than two among Fig. 7.
By two wet type enclosed type cooling towers and two air-conditioning system figure that the pump type heat handpiece Water Chilling Units forms, summer, valve- off 39,40 was opened valve 41 during without regeneration tank 18 among Fig. 8.
In sum, adopt the air-conditioning system of cooling tower heat supply in winter be more suitable in the Changjiang river, Basin of Huaihe River and on the south the area, the cold district to the north of the Yellow River, winter, outdoor temperature was many below 0 ℃, adopt the refrigeration unit heat supply efficiency low, operating cost might be higher than boiler or municipal administration heating.When refrigeration unit adopted the single cold type handpiece Water Chilling Units, it should summer cooling, heat supply in winter again, should select the unit that is fit to this Double-working-condition operation.Circulating pump should adopt variable frequency pump, to adapt to the demand of air-conditioning system load and working conditions change, makes system more energy-conservation.Because anti-icing fluid has corrosivity, the reply air-conditioning equipment is taked preservative treatment, adopts corrosion resistant tubing and equipment.The concentration of anti-icing fluid determines according to freezing point temperature, and freezing point temperature is determined by the meteorological condition of locality, refrigeration unit operating characteristic, user's the factors such as heating characteristics usually.
The above only is better implementing method of the present invention, is not that the present invention is done any pro forma restriction.Any simple modification, equivalent variations and modification according to technical spirit of the present invention is done above implementing method all belong to protection scope of the present invention.
Claims (5)
1. with the waring and cooling air conditioning system of cooling tower, it is by cooling tower, refrigeration unit, cooling water circulating pump, the air conditioner water circulating pump, circulating line, reclaim equiment, cooling water, air conditioner water forms, it is characterized in that, cooling tower, refrigeration unit, cooling water circulating pump, the air conditioner water circulating pump, circulating line, reclaim equiment is linked in sequence into air conditioner circulating system, when heat supply in winter, in cooling water, add anti-icing fluid, prevent that cooling water is at cooling tower, circulating line, freeze in the evaporimeter of refrigeration unit, cooling water is under the effect of water circulating pump, enter in the cooling tower and the outdoor air heat exchange, absorb airborne heat, be recycled to again in the evaporimeter of refrigeration unit, the cold-producing medium evaporation endothermic, absorb the heat in the cooling water, pass through kind of refrigeration cycle, cold-producing medium is the condensation heat release in the condenser of refrigeration unit, after air conditioner water is heated therein, under the water circulating pump effect, deliver to air-conditioned room, be used for heat supply in winter, because when cooling water and outdoor air heat exchange, absorb airborne moisture, the concentration of anti-icing fluid is reduced, therefore to constantly add anti-icing fluid, perhaps by reclaim equiment anti-icing fluid is regenerated, when summer cooling, with adding the cooling water emptying of anti-icing fluid and collecting, in system, inject clean water, after air conditioner water absorbs the air-conditioned room heat, enter by circulating pump in the evaporimeter of refrigeration unit, the cold-producing medium evaporation endothermic absorbs the heat in the air conditioner water, passes through kind of refrigeration cycle, cold-producing medium is the condensation heat release in the condenser of refrigeration unit, cooling water absorbs heat therein, enters in the cooling tower under the circulating pump effect, with the outdoor air heat exchange, the air-conditioned room heat is discharged in the atmosphere, and system enters kind of refrigeration cycle in normal summer.
2. the waring and cooling air conditioning system with cooling tower according to claim 1 is characterized in that, cooling tower adopts opening cooling tower, or wet type enclosed type cooling tower, or dry type enclosed type cooling tower, or open, sealing interchanged type cooling tower.
3. the waring and cooling air conditioning system with cooling tower according to claim 1 is characterized in that, refrigeration unit adopts the single cold type handpiece Water Chilling Units, or the pump type heat handpiece Water Chilling Units.
4. the waring and cooling air conditioning system with cooling tower according to claim 1 is characterized in that, reclaim equiment can be located in the cooling tower, also can divide to be arranged.
5. the waring and cooling air conditioning system with cooling tower according to claim 1 is characterized in that, it is with the heat exchanger of reclaiming used heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100973469A CN103363599A (en) | 2012-04-06 | 2012-04-06 | Air conditioner system with cooling tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100973469A CN103363599A (en) | 2012-04-06 | 2012-04-06 | Air conditioner system with cooling tower |
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| CN103363599A true CN103363599A (en) | 2013-10-23 |
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| CN2012100973469A Pending CN103363599A (en) | 2012-04-06 | 2012-04-06 | Air conditioner system with cooling tower |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759458A (en) * | 2013-11-06 | 2014-04-30 | 北京中科华誉能源技术发展有限责任公司 | Flue gas waste heat recovery system based on absorption-type heat pump technology |
| CN106288506A (en) * | 2015-05-18 | 2017-01-04 | 重庆通用贝园制冷空调设备有限责任公司 | A kind of air conditioning system |
| CN106500204A (en) * | 2016-12-28 | 2017-03-15 | 重庆通用贝园制冷空调设备有限责任公司 | A kind of air conditioning system |
| CN107816819A (en) * | 2017-10-26 | 2018-03-20 | 江苏海雷德蒙新能源有限公司 | A kind of energy Tower System with antifreeze concentration concentrating regenerative function |
| CN109140851A (en) * | 2018-09-23 | 2019-01-04 | 湖南东尤水汽能热泵制造有限公司 | A kind of cooling and warming unit and its anti-icing fluid enrichment facility and control method |
| CN111457509A (en) * | 2020-03-30 | 2020-07-28 | 上海海事大学 | Energy-saving air conditioner |
| WO2023287308A1 (en) * | 2021-07-15 | 2023-01-19 | Al Hashmi Ali | Vacuum air conditioner |
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| CN201327307Y (en) * | 2008-10-15 | 2009-10-14 | 上海汽车资产经营有限公司 | Open-type multi-source double-effect energy tower |
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Patent Citations (5)
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| JP2002267299A (en) * | 2001-03-07 | 2002-09-18 | Sanken Setsubi Kogyo Co Ltd | Cold liquid extracting system of steam compression refrigerating machine used for refrigeration or ice making |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759458A (en) * | 2013-11-06 | 2014-04-30 | 北京中科华誉能源技术发展有限责任公司 | Flue gas waste heat recovery system based on absorption-type heat pump technology |
| CN106288506A (en) * | 2015-05-18 | 2017-01-04 | 重庆通用贝园制冷空调设备有限责任公司 | A kind of air conditioning system |
| CN106500204A (en) * | 2016-12-28 | 2017-03-15 | 重庆通用贝园制冷空调设备有限责任公司 | A kind of air conditioning system |
| CN107816819A (en) * | 2017-10-26 | 2018-03-20 | 江苏海雷德蒙新能源有限公司 | A kind of energy Tower System with antifreeze concentration concentrating regenerative function |
| CN107816819B (en) * | 2017-10-26 | 2024-04-26 | 江苏海雷德蒙新能源有限公司 | Energy tower system with antifreeze concentration regeneration function |
| CN109140851A (en) * | 2018-09-23 | 2019-01-04 | 湖南东尤水汽能热泵制造有限公司 | A kind of cooling and warming unit and its anti-icing fluid enrichment facility and control method |
| CN109140851B (en) * | 2018-09-23 | 2024-02-09 | 湖南东尤水汽能热泵制造有限公司 | Heating and refrigerating equipment |
| CN111457509A (en) * | 2020-03-30 | 2020-07-28 | 上海海事大学 | Energy-saving air conditioner |
| WO2023287308A1 (en) * | 2021-07-15 | 2023-01-19 | Al Hashmi Ali | Vacuum air conditioner |
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| PB01 | Publication | ||
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Application publication date: 20131023 |