CN201129808Y - Vapor cooling and mechanical refrigeration compositing air-conditioning unit - Google Patents
Vapor cooling and mechanical refrigeration compositing air-conditioning unit Download PDFInfo
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- CN201129808Y CN201129808Y CNU2007201263813U CN200720126381U CN201129808Y CN 201129808 Y CN201129808 Y CN 201129808Y CN U2007201263813 U CNU2007201263813 U CN U2007201263813U CN 200720126381 U CN200720126381 U CN 200720126381U CN 201129808 Y CN201129808 Y CN 201129808Y
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- 238000001816 cooling Methods 0.000 title claims abstract description 48
- 238000005057 refrigeration Methods 0.000 title claims description 50
- 238000004378 air conditioning Methods 0.000 title abstract description 14
- 239000003570 air Substances 0.000 claims abstract description 43
- 238000001704 evaporation Methods 0.000 abstract description 13
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 abstract 1
- 235000019628 coolness Nutrition 0.000 description 38
- 239000011901 water Substances 0.000 description 10
- 238000000034 methods Methods 0.000 description 5
- 230000001105 regulatory Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000007921 sprays Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001149 thermolysis Methods 0.000 description 2
- 206010069870 Device damage Diseases 0.000 description 1
- 238000006243 chemical reactions Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001186 cumulative Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 239000003344 environmental pollutants Substances 0.000 description 1
- 239000000945 fillers Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000005431 greenhouse gases Substances 0.000 description 1
- 239000010410 layers Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N ozone Chemical compound 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- 231100000719 pollutant Toxicity 0.000 description 1
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Abstract
Description
Technical field
The utility model belongs to the air conditioner refrigerating technical field, relates to a kind of air-conditioning unit, is specifically related to a kind of evaporative cooling and mechanical refrigeration combined air conditioner unit.
Background technology
As the effective means of regulating building indoor environment and air quality, air-conditioning more and more occupies important effect in people's life.Concerning the central air-conditioning system of whole year operation, mechanical refrigeration operating cost height, energy consumption is big, and along with the prolongation of service time, expenses such as the expense of power consumption, device damage renewal continue to rise, and cause use cost cumulative year after year, high.Moreover the employed cold-producing medium CFC of mechanical refrigeration sAnd HCFC working medium, can produce the generation that destroys and cause greenhouse effects to ozone layer.Evaporation cooling technique belongs to the pure natural refrigerant owing to not using CFCs to adopt water as cold-producing medium, replaces compression refrigerating system can avoid using of CFCs and reduces the discharging of greenhouse gases with it, and is pollution-free to atmospheric environment.In addition, the energy consumption of evaporation cooling technique is low, initial cost is few, and adopts brand-new wind, and air quality is good, therefore becomes an important development direction of modern air conditioning technical field.
If evaporation cooling technique is combined with traditional mechanical refrigeration, be implemented in high temperature and utilize evaporation cooling technique that new wind is carried out precooling hot season, after again through the mechanical refrigeration cooling processing; And a large amount of transition seasons use evaporative cooling to reach the purpose of regulating air separately, can give full play to evaporative cooling and mechanical refrigeration advantage separately.
Summary of the invention
The purpose of this utility model provides a kind of evaporative cooling and mechanical refrigeration combined air conditioner unit, utilizes evaporation cooling technique that new wind is carried out precooling hot season at high temperature, cools off through mechanical refrigeration again; And a large amount of transition seasons use evaporative cooling to reach the purpose of regulating air separately.
The technical scheme that the utility model adopted is, evaporative cooling and mechanical refrigeration combined air conditioner unit, comprise the new wind section of the unit that sets gradually, machine set filter, tube type indirect evaporative cooler, unit air return section, mechanical refrigeration surface cooler, direct evaporative cooler and unit blower fan by the air intake direction, the mechanical refrigeration surface cooler is connected with the outlet of mechanical refrigeration evaporimeter and evaporative condenser respectively by pipeline.
The mechanical refrigeration surface cooler is provided with can regulate the bypass air-valve.
Compare with the mechanical refrigeration handpiece Water Chilling Units with traditional Evaporative Cooling Air Conditioning unit, air-conditioning unit of the present utility model has following characteristics:
1) adopts the precooling of one-level indirect evaporation surface cooler to combine, form three grades of air-conditioning units, and the condenser of mechanical refrigeration system is selected evaporative condenser for use with mechanical refrigeration surface cooler, direct evaporative cooler." dual-use ", on the one hand when opening mechanical refrigeration the hottest month of summer as evaporative condenser; Cold-producing medium is played the condensation thermolysis.On the other hand, in the transition season that mechanical refrigerator is not opened,, be combined into cooling tower cooling type indirect evaporation cooler, carry out " free cold supply " with surface cooler as used for cooling tower.In order to improve the heat exchange efficiency of evaporative condenser, at the air intake place evaporative cooling filler is set, not only air had been carried out precooling but also played filtration, dust, dirt in the air of inlet are filtered, it is comparatively clean to have guaranteed to lead in the tank of bottom surface cooler water quality.
2) mechanical refrigeration surface cooler " device is dual-purpose ", the low-temperature cold water that hot season in summer, logical mechanical refrigeration was produced, transition season mechanical refrigeration unit is not opened, the high temperature cold water that logical cooling tower is produced.
3) the air-conditioning air-supply (temperature drop reaches 15～20 ℃) that can provide three grades of Evaporative Cooling Air Conditioning air-supplies or the cooling of one-level indirect evaporation to combine simultaneously with mechanical refrigeration, and can produce 15～20 ℃ of chilled waters.
Description of drawings
Accompanying drawing is the structural representation of the utility model evaporative cooling and mechanical refrigeration combined air conditioner unit.
Among the figure, the 1. new wind section of unit, 2. machine set filter, 3. tube type indirect evaporative cooler, 4. unit air return section, 5. mechanical refrigeration surface cooler, 6. direct evaporative cooler, 7. unit blower fan, 8. mechanical refrigeration evaporimeter, 9. evaporative condenser 10. can be regulated the bypass air-valve.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Combined air conditioner unit of the present utility model is a core with one-level indirect evaporation cooler, mechanical refrigeration surface cooler, tube type indirect evaporative cooler and small-sized machine refrigeration system organically are combined with each other three grades of air-conditioning units that the precooling of tubular indirect evaporative surface cooler is combined with mechanical refrigeration surface cooler, direct evaporative cooler and forms.Wherein the condenser of mechanical refrigeration system is selected evaporative condenser for use.As shown in drawings, comprise the new wind section 1 of the unit that sets gradually, machine set filter 2, tube type indirect evaporative cooler 3, unit air return section 4, mechanical refrigeration surface cooler 5, direct evaporative cooler 6 and unit blower fan 7 by the air intake direction.
Mechanical refrigeration surface cooler 5 is connected with the import and export of mechanical refrigeration evaporimeter 8 with evaporative condenser 9 respectively by pipeline A, B and D, E through the conversion of three-way valve P1, P2; When mechanical refrigeration surface cooler 5 is connected with mechanical refrigeration evaporimeter 8 by pipeline A, B, regulate three-way valve P3, P4 and close D, E pipeline section, make the spray recirculated water of evaporative condenser carry out the self-loopa spray by pipeline section C.
First order tube type indirect evaporative cooler in the utility model evaporative cooling and the mechanical refrigeration combined air conditioner unit adopts the recirculated water spray, and used low temperature and high temperature cold water are respectively from mechanical refrigeration handpiece Water Chilling Units and cooling tower in the mechanical refrigeration surface cooler 5.Wherein,, be provided with at surface cooler 5 places and can regulate bypass air-valve 10, under the design conditions, can regulate bypass air-valve 10 and close fully, send into the room fully after treatment after new return air mixes in order to satisfy the not requirement of chummery ventilation state point.When indoor waste heat, surplus wet variation, Electric air valve is regulated aperture automatically, and regulates bypass wind and the mixing ratio of handling wind, makes to mix the requirement that the back air-supply reaches the indoor design condition parameter.Evaporative cooling and mechanical refrigeration combined air conditioner unit provide the air of cooling for building.
The course of work of evaporative cooling and mechanical refrigeration combined air conditioner unit: hot season in summer, outdoor air passed through the new wind section 1 of unit successively, after machine set filter 2 filters, through tube type indirect evaporative cooler 3 coolings, by further cooling off through mechanical refrigeration surface cooler 5 again behind the unit air return section 4; The transition season outdoor air passes through the new wind section 1 of unit successively, after machine set filter 2 filters, through tube type indirect evaporative cooler 3 coolings, continue cooling through surface cooler 5 again, (high temperature cold water of the logical cooling tower preparation of surface cooler this moment) is through third level direct evaporative cooler 6 equal-enthalpy humidifyings, can make outside air temperature reduce about 15～20 ℃, the air after the cooling is sent in the building through unit blower fan 7.
Characteristics of the present utility model are multistage evaporation to be cooled off unit and mechanical refrigeration unit are compound to be one, make full use of the energy-saving effect of evaporative cooling " free cold supply ", according to the variation of outdoor climate and indoor load, provide the air of cooling for building separately or with the mechanical refrigeration Combined Treatment.This equipment " dual-use ", on the one hand when opening mechanical refrigeration the hottest month of summer as evaporative condenser; Cold-producing medium is played the condensation thermolysis.On the other hand, in the transition season that mechanical refrigerator is not opened, played the effect of cooling tower, be combined into cooling tower cooling type indirect evaporation cooler, carried out " free cold supply " with surface cooler.Both reduce the energy consumption of a large amount of mechanical refrigeration systems that adopt in the present engineering, improved compressor output, reduced the discharging of pollutant simultaneously again.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201263813U CN201129808Y (en) | 2007-11-15 | 2007-11-15 | Vapor cooling and mechanical refrigeration compositing air-conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201263813U CN201129808Y (en) | 2007-11-15 | 2007-11-15 | Vapor cooling and mechanical refrigeration compositing air-conditioning unit |
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| Publication Number | Publication Date |
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| CN201129808Y true CN201129808Y (en) | 2008-10-08 |
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| CNU2007201263813U CN201129808Y (en) | 2007-11-15 | 2007-11-15 | Vapor cooling and mechanical refrigeration compositing air-conditioning unit |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846371A (en) * | 2010-06-02 | 2010-09-29 | 西安工程大学 | Evaporative cooling water chiller and mechanical refrigeration high-temperature water chiller compounded water chiller |
| CN101592385B (en) * | 2009-03-30 | 2011-02-02 | 西安工程大学 | Absolute reverse flow plate-fin dew point indirect evaporation cooling and direct evaporation cooling combined air conditioner |
| CN102003760A (en) * | 2010-12-06 | 2011-04-06 | 惠州市合之宝环境设备有限公司 | Refrigerant-free air conditioning unit |
| CN102022788A (en) * | 2010-12-05 | 2011-04-20 | 新疆绿色使者空气环境技术有限公司 | Combined cooling air-conditioning system of indirect evaporation chiller and mechanical refrigeration chiller |
| EP2368082A1 (en) * | 2008-12-22 | 2011-09-28 | Amazon Technologies, Inc. | Multi-mode cooling system and method with evaporative cooling |
| CN101713580B (en) * | 2009-11-30 | 2012-01-25 | 西安工程大学 | Evaporative water chilling unit comprising parallel air coolers, air filter and water filter |
| CN102564159A (en) * | 2010-12-16 | 2012-07-11 | 西安井上人工环境有限公司 | Tubular device and method for producing cold water by means of indirect evaporation and direct evaporation |
| CN102645007A (en) * | 2012-05-02 | 2012-08-22 | 福建泰兴特纸有限公司 | Central air-conditioning environmental-protection energy-saving cyclic utilization system |
| CN101846367B (en) * | 2010-05-12 | 2012-09-05 | 清华大学 | Internally-cooled solution dehumidifying fresh air handling unit driven by heat pump |
| CN103206774A (en) * | 2012-01-11 | 2013-07-17 | 江苏心日源建筑节能科技有限公司 | Energy-saving air conditioner box |
| CN103759357A (en) * | 2014-01-08 | 2014-04-30 | 西安工程大学 | Evaporative cooling and mechanical refrigeration combined air/ water chilling unit for power plant |
| CN104006469A (en) * | 2014-05-23 | 2014-08-27 | 西安工程大学 | Evaporative cooling and mechanical refrigeration combined variable air duct energy-saving air conditioning unit |
| CN104456762A (en) * | 2014-11-12 | 2015-03-25 | 苏宇贵 | Air cooling-water cooling spray type air conditioning system and outdoor unit thereof |
| CN104534584A (en) * | 2014-12-03 | 2015-04-22 | 西安工程大学 | Air conditioning system combining evaporating cooling and evaporating condensing for large/ small subway environment |
| CN104566724A (en) * | 2015-01-05 | 2015-04-29 | 西安工程大学 | Ventilation air-conditioning system for subway environmental control system |
| CN105180340A (en) * | 2015-09-30 | 2015-12-23 | 于冬才 | Energy-saving environment-friendly dedusting ventilating device |
| CN105299807A (en) * | 2015-11-30 | 2016-02-03 | 西安工程大学 | Cold supply system combining indirect-evaporation cooling tower with mechanical refrigeration for data center |
| CN105465928A (en) * | 2015-12-15 | 2016-04-06 | 西安工程大学 | Fountain heat radiating and mechanical refrigeration combined cold supply system for data center |
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2007
- 2007-11-15 CN CNU2007201263813U patent/CN201129808Y/en not_active IP Right Cessation
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| EP2368082A4 (en) * | 2008-12-22 | 2014-01-01 | Amazon Tech Inc | Multi-mode cooling system and method with evaporative cooling |
| US20120144851A1 (en) * | 2008-12-22 | 2012-06-14 | Jonathan David Hay | Multi-mode cooling system and method with evaporative cooling |
| US9791903B2 (en) | 2008-12-22 | 2017-10-17 | Amazon Technologies, Inc. | Multi-mode cooling system and method with evaporative cooling |
| EP3364134A1 (en) * | 2008-12-22 | 2018-08-22 | Amazon Technologies, Inc. | Multi-mode cooling system and method with evaporative cooling |
| EP2368082A1 (en) * | 2008-12-22 | 2011-09-28 | Amazon Technologies, Inc. | Multi-mode cooling system and method with evaporative cooling |
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