CN202066138U - Waterway serial connected evaporative cooling and air cooling heat pump composited high-temperature cold/hot water unit - Google Patents
Waterway serial connected evaporative cooling and air cooling heat pump composited high-temperature cold/hot water unit Download PDFInfo
- Publication number
- CN202066138U CN202066138U CN2011200759574U CN201120075957U CN202066138U CN 202066138 U CN202066138 U CN 202066138U CN 2011200759574 U CN2011200759574 U CN 2011200759574U CN 201120075957 U CN201120075957 U CN 201120075957U CN 202066138 U CN202066138 U CN 202066138U
- Authority
- CN
- China
- Prior art keywords
- air
- water
- cooler
- evaporative cooling
- evaporative
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 169
- 238000001816 cooling Methods 0.000 title claims abstract description 72
- 239000000945 filler Substances 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract 5
- 239000000203 mixture Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000035568 catharsis Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Other Air-Conditioning Systems (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
水路串联式蒸发冷却与风冷热泵复合高温冷/热水机组，闭式蒸发冷却冷水机组包括进风口、过滤器、空气冷却器、管式间接蒸发冷却器和蒸发冷却盘管，蒸发冷却盘管的上部设置一次风机、挡水板a、布水器a和填料a，蒸发冷却盘管的下部设置水箱a；管式间接蒸发冷却器的上部设置二次风机、挡水板b、布水器b和填料b，管式间接蒸发冷却器的下部设置水箱b；风冷热泵冷/热水机组包括构成闭合回路的冷凝器、蒸发器和压缩机，风冷热泵冷/热水机组的另外三个进风面处分别设置3台直接蒸发冷却器。本实用新型将直接蒸发冷却器与风冷热泵冷/热水机组集成，既能满足显热末端供水要求又简化了水系统的管路，使蒸发冷却技术在中等及高湿度地区合理应用。
Waterway series evaporative cooling and air-cooled heat pump composite high-temperature cold/hot water unit, closed evaporative cooling chiller includes air inlet, filter, air cooler, tubular indirect evaporative cooler and evaporative cooling coil, evaporative cooling coil The upper part of the pipe-type indirect evaporative cooler is provided with a secondary fan, water retaining plate b, and water distributor b and filler b, the lower part of the tube-type indirect evaporative cooler is provided with water tank b; Three direct evaporative coolers are installed on each air intake surface. The utility model integrates the direct evaporative cooler and the air-cooled heat pump cold/hot water unit, which can not only meet the water supply requirements of the sensible heat terminal, but also simplify the pipeline of the water system, so that the evaporative cooling technology can be reasonably applied in medium and high humidity areas.
Description
Technical field
The utility model belongs to the air conditioner refrigerating technical field, is specifically related to a kind of compound cold (heat) water unit of being made up of enclosed evaporative cooling handpiece Water Chilling Units, air-cooled heat pump cold (heat) water unit and direct evaporative cooler.
Background technology
The transpiration-cooled handpiece Water Chilling Units is produced the restriction that cold water is subjected to weather conditions separately, makes the cold water water temperature of producing change stable inadequately with outdoor weather condition; Though rely on separately mechanical refrigeration to produce low-temperature cold water water temperature is tended towards stability, but mechanical refrigeration high energy consumption still not, and also the 5-7 that produces ℃ low-temperature cold water directly supplies with the terminal problem that can produce dewfall of sensible heat.Make the evaporative cooling handpiece Water Chilling Units of this " freely " refrigeration be able to just need combine, to produce high temperature cold water with mechanical refrigeration in the area application of vast moderate amount of moisture.
Directly supply with air-cooled heat pump cold (heat) water unit continuation cooling utilization again by the high temperature cold water that series pipe is produced enclosed evaporative cooling handpiece Water Chilling Units, enclosed evaporative cooling handpiece Water Chilling Units makes the high temperature cold water of producing further cool off in air-cooled heat pump cold (heat) water unit to the precooling of high-temperature tempering, the high temperature cold water of producing like this can satisfy the requirement of sensible heat end fully, cancelled the proportioning difficult problem of the low-temperature cold water water yield that high temperature cold water that enclosed evaporative cooling handpiece Water Chilling Units produces and air-cooled heat pump cold (heat) water unit produce simultaneously, make of the cooling of the temperature drop of water in two sections formation " relay race " formula, and simplified the pipeline of water system greatly, saved the initial cost cost, brought convenience to management operating.Can be generalized to the comfort air conditioning system in part moderate amount of moisture area and high humility area to this technology and based on the technological air conditioning place application of cooling.
Summary of the invention
The purpose of this utility model is to provide tandem evaporative cooling of a kind of water route and air-cooled heat pump combined high temperature cold/hot water unit, enclosed evaporative cooling handpiece Water Chilling Units is connected with air-cooled heat pump cold/hot water unit water route, tube type indirect evaporative cooler, evaporative cooling coil pipe, direct evaporative cooler are combined with air-cooled heat pump cold/hot water unit, make the Evaporative Cooling Air Conditioning technology not only can be used in dry area and better application in vast moderate amount of moisture area.
The technical scheme that the utility model adopted is, tandem evaporative cooling of a kind of water route and air-cooled heat pump combined high temperature cold/hot water unit are by connecting compound the composition by pipe network between enclosed evaporative cooling handpiece Water Chilling Units, air-cooled heat pump cold/hot water unit and the direct evaporative cooler;
Enclosed evaporative cooling handpiece Water Chilling Units comprises: be disposed with air inlet, filter, aerial cooler, tube type indirect evaporative cooler and evaporative cooling coil pipe by primary air air intake direction, the top of evaporative cooling coil pipe, be disposed with primary air fan, water fender a, water-locator a and filler a from top to bottom, the bottom of evaporative cooling coil pipe is provided with water tank a, pipeline is set in the water tank a is connected with water-locator a by water pump a; The top of tube type indirect evaporative cooler, be disposed with overfire air fan, water fender b, water-locator b and filler b from top to bottom, the bottom of tube type indirect evaporative cooler is provided with water tank b, pipeline is set in the water tank b is connected with water-locator b with aerial cooler by water pump b;
Air-cooled heat pump cold/hot water unit comprises: constitute condenser, evaporimeter and the compressor of closed-loop path, the top in loop is provided with exhaust blower; The position that is provided with of air-cooled heat pump cold/hot water unit makes place's air intake come from an air draft of enclosed evaporative cooling handpiece Water Chilling Units;
Other three air intake surface places of air-cooled heat pump cold/hot water unit are provided with direct evaporative cooler a, direct evaporative cooler b and direct evaporative cooler c respectively.
Characteristics of the present utility model also are:
The evaporative cooling coil pipe is connected with evaporimeter by pipeline, evaporimeter is provided with pipeline and is connected with the sensible heat end by water pump d, connect successively by pipeline between sensible heat end, new blower fan group high temperature air cooler and the evaporative cooling coil pipe, the pipeline that is connected between evaporative cooling coil pipe and the evaporimeter is provided with valve b, and the pipeline that connects between new blower fan group high temperature air cooler and the evaporative cooling coil pipe is provided with valve a.
Direct evaporative cooler c is made up of the water tank c of water-locator c, filler c and bottom from top to bottom successively, pipeline is set in the water tank c is connected with water-locator c by water pump c; The structure of direct evaporative cooler b and the direct evaporative cooler a structure with direct evaporative cooler c respectively is identical.
The beneficial effect of the compound cold/hot water unit of the utility model is:
1) position that air-cooled heat pump cold (heat) water unit is set makes that the air of four air intake surfaces of air-cooled heat pump condenser is lower than outdoor air, improves the heat transfer temperature difference of condenser, finally improves its condensation efficiency; Simultaneously, direct evaporative cooler has catharsis to outdoor new wind, avoids contaminated, the obstruction in condenser heat exchanger tube surface, influences the condensation radiating effect.
2) connect in the water route of enclosed evaporative cooling handpiece Water Chilling Units cold with air-cooled heat pump (heat) water unit, is step by step reduction thereby make the temperature of water; The pipeline of water system has been simplified in setting greatly like this, and the problem that does not exist the hot and cold water temperature to cancel out each other, and has saved initial cost and has not made energy waste again.The cold water of producing can satisfy the water temperature requirement of dry-type sensible heat end fully, has avoided the generation of the terminal dewfall phenomenon of sensible heat, has better practicality and energy saving.
3) evaporative cooling section and mechanical refrigeration section adopt closed Water System, have overcome shortcomings such as open type water system corrosion pipeline, obstruction end, have guaranteed the cleaning of water quality; Water pump only need overcome the closed Water System loop resistance, and is irrelevant with depth of building, carries power consumption little, and back pool need not be set, more energy-conservation.
4) be provided with wind filter and aerial cooler before the tube type indirect evaporative cooler, an auxiliary air is played the effect of precooling and filtration simultaneously, the cooling effectiveness of tube type indirect evaporative cooler is improved, and prevent the clogging of pipe heat exchanger.
Description of drawings
Fig. 1 is the structural representation of the utility model combined high temperature cold/hot water unit;
Fig. 2 is the vertical view of Fig. 1.
Among the figure, 1. primary air fan, 2. water fender a, 3. water-locator a, 4. filler a, 5. overfire air fan, 6. water fender b, 7. water-locator b, 8. filler b, 9. tube type indirect evaporative cooler, 10. water pump b, 11. water tank b, 12. water pump a, 13. water tank a, 14. evaporative cooling coil pipes, 15. access door, 16. evaporimeters, 17. compressors, 18. water pump c, 19. water tank c, 20. direct evaporative cooler c, 21. filler c, 22. water-locator c, 23. condensers, 24. exhaust blower, 25. direct evaporative cooler b, 26. direct evaporative cooler a, 27. access path, 28. aerial coolers, 29. filters, 30. air inlet, 31. water pump d, 32. sensible heat ends, 33. new blower fan group high temperature air cooler, 34. valve a, 35. valve b.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Combined high temperature cold/hot water unit of the present utility model, by connecting compound the composition by pipe network between enclosed evaporative cooling handpiece Water Chilling Units, air-cooled heat pump cold/hot water unit and the direct evaporative cooler, Fig. 1, Fig. 2 are arranged in embodiment in the same cabinet with enclosed evaporative cooling handpiece Water Chilling Units, air-cooled heat pump cold/hot water unit and direct evaporative cooler, have showed the relative position between it.
Enclosed evaporative cooling handpiece Water Chilling Units comprises: set gradually air inlet 30, filter 29, aerial cooler 28, tube type indirect evaporative cooler 9, evaporative cooling coil pipe 14 by primary air air intake direction, the top of evaporative cooling coil pipe 14, be disposed with primary air fan 1, water fender a2, water-locator a3 and filler a4 from top to bottom, the bottom of evaporative cooling coil pipe 14 is provided with water tank a13, pipeline is set in the water tank a13 is connected with water-locator a3 by water pump a12; The top of tube type indirect evaporative cooler 9, set gradually overfire air fan 5, water fender b6, water-locator b7 and filler b8 from top to bottom, the bottom of tube type indirect evaporative cooler 9 is provided with water tank b11, pipeline is set in the water tank b11 is connected with water-locator b7 with aerial cooler 28 by water pump b10.
Air-cooled heat pump cold/hot water unit comprises condenser 23, evaporimeter 16 and the compressor 17 that constitutes the closed-loop path, and the top in loop is provided with the exhaust blower 24 of air-cooled heat pump; The position that is provided with of air-cooled heat pump cold/hot water unit makes place's air intake come from an air draft of enclosed evaporative cooling handpiece Water Chilling Units, and leaves access path 27 and access door 15 between air-cooled heat pump cold/hot water unit and the enclosed evaporative cooling handpiece Water Chilling Units; Other three air intake surface places at air-cooled heat pump cold/hot water unit are provided with direct evaporative cooler a 26, direct evaporative cooler b25 and direct evaporative cooler c 20 respectively.
Direct evaporative cooler c20 is made up of the water tank c19 of water-locator c22, filler c21 and bottom from top to bottom successively, pipeline is set in the water tank c19 is connected with water-locator c22 by water pump c18; The structure of direct evaporative cooler b25 and the direct evaporative cooler a26 structure with direct evaporative cooler c20 respectively is identical.
Enclosed evaporative cooling handpiece Water Chilling Units is connected with the water route of air-cooled heat pump cold/hot water unit, evaporative cooling coil pipe 14 is connected with evaporimeter 16 by pipeline, after in evaporimeter 16, further cooling off, evaporimeter 16 sides are provided with pipeline and are connected with sensible heat end 32 by water pump d31, the backwater of sensible heat end 32 is connected with new blower fan group high temperature air cooler 33 by pipeline, the backwater of new blower fan group high temperature air cooler 33 is connected with evaporative cooling coil pipe 14 by pipeline, the pipeline that is connected between evaporative cooling coil pipe 14 and the evaporimeter 16 is provided with valve b35, and the pipeline that is connected between new blower fan group high temperature air cooler 33 and the evaporative cooling coil pipe 14 is provided with valve a34.
Course of work during the compound cold/hot water unit of the utility model summer operation:
1, during summer operation outdoor air in the flow process of this unit:
1) enclosed evaporative cooling handpiece Water Chilling Units, outdoor primary air entered aerial cooler 28 by air inlet 30 and carried out precooling after filter 29 filters summer, through carrying out heat exchange with the outer spray of pipe recirculated water in tube type indirect evaporative cooler 9 heat exchanger tubes, further cooled primary air passes through evaporative cooling coil pipe 14 successively, filler a4, water-locator a3, water fender a2, primary air fan 1 are discharged via the exhaust blower 24 of air-cooled heat pump through the condenser 23 of air-cooled heat pump at last.At first precooling in aerial cooler 28 of outdoor primary air in this process, further cooled off by outer shower water of pipe and auxiliary air by tube type indirect evaporative cooler 9 then, then in evaporative cooling coil pipe 14 with shower water and evaporative cooling coil pipe 14 in high temperature cold water carry out the wet exchange of heat, backwater in cooling evaporative cooling coil pipe 14 pipes, with respect to a lower air draft of outside air temperature, the exhaust blower 24 by air-cooled heat pump after air-cooled heat pump condenser 23 places carry out heat exchange is discharged to outdoor.
2) enclosed evaporative cooling handpiece Water Chilling Units, outdoor auxiliary air entered aerial cooler 28 by air inlet 30 and carried out precooling after filter 29 filters summer, carry out the wet exchange of heat through tube type indirect evaporative cooler 9 heat exchanger tubes are outer with spray recirculated water, auxiliary air is by adiabatic humidiflcation, make the spray recirculated water water temperature of tube type indirect evaporative cooler 9 level off to outdoor air wet-bulb temperature simultaneously, auxiliary air after the adiabatic humidiflcation carries out the wet exchange of heat at filler b8 and shower water, shower water is carried out precooling, discharge by overfire air fan 5 at last;
3) air-cooled heat pump cold/hot water unit, outdoor air pass through the condenser 23 of direct evaporative cooler c20, air-cooled heat pump successively, are discharged by the exhaust blower 24 of air-cooled heat pump at last.Outdoor air in this process has been carried out precooling by direct evaporative cooler c20, make the EAT of condenser 23 reduce, increase the heat transfer temperature difference of condenser 23, thereby improved the heat exchange efficiency of condenser 23, and then improved the Energy Efficiency Ratio of air-cooled heat pump cold/hot water unit.
4) air-cooled heat pump cold/hot water unit, outdoor air pass through the condenser 23 of direct evaporative cooler b25, air-cooled heat pump successively, are discharged by the exhaust blower 24 of air-cooled heat pump at last.Outdoor air in this process has been carried out precooling by direct evaporative cooler b25, make the EAT of condenser 23 reduce, increase the heat transfer temperature difference of condenser 23, thereby improved the heat exchange efficiency of condenser 23, and then improved the Energy Efficiency Ratio of air-cooled heat pump cold/hot water unit.
5) air-cooled heat pump cold/hot water unit, outdoor air pass through the condenser 23 of direct evaporative cooler a26, air-cooled heat pump successively, are discharged by the exhaust blower 24 of air-cooled heat pump at last.Outdoor air in this process has been carried out precooling by direct evaporative cooler a26, make the EAT of condenser 23 reduce, increase the heat transfer temperature difference of condenser 23, thereby improved the heat exchange efficiency of condenser 23, and then improved the Energy Efficiency Ratio of air-cooled heat pump cold/hot water unit.
2, the flow process of water system during summer operation:
During summer operation, valve a34 opens, and valve b35 closes; The high temperature cold water that enclosed evaporative cooling handpiece Water Chilling Units is produced at first is transported to the evaporimeter 16 of air-cooled heat pump by pipeline, after in evaporimeter 16, further cooling off, be transported to by water pump d31 and be transported to new blower fan group high temperature air cooler 33 by pipeline again after sensible heat end 32 is born indoor sensible heat load, be connected repetitive cycling by pipeline with evaporative cooling coil pipe 14 at last.The high temperature cold water that makes enclosed vaporation-type handpiece Water Chilling Units produce is so further cooled off in air-cooled heat pump cold (heat) water unit, the high temperature cold water of producing like this can satisfy when sensible heat is terminal to be required fully, cancelled the proportioning difficult problem of the low-temperature cold water water yield that high temperature cold water that enclosed evaporative cooling handpiece Water Chilling Units produces and air-cooled heat pump cold (heat) water unit produce, make of the cooling of the temperature drop of water in two sections formation " relay race " formula, and simplified the pipeline of water system greatly, saved the initial cost cost, brought convenience to management operating.
3, during winter operation, valve a34 closes, and valve b35 opens; The water supply of vaporation-type handpiece Water Chilling Units and three direct evaporative cooler a26, direct evaporative cooler b25, direct evaporative cooler c20 is quit work, only allow the work of air-cooled heat pump cold/hot water unit come heating for the user.The hot water that this moment, air-cooled heat pump cold/hot water unit was produced is transported to sensible heat end 32 by pipeline, when the evaporimeter 16(heat pump of getting back to air-cooled heat pump then through new blower fan group high temperature air cooler 33 moves in the winter time again during with summer operation opposite evaporimeter 16 can become the effect of condenser); Repetitive cycling.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200759574U CN202066138U (en) | 2011-03-22 | 2011-03-22 | Waterway serial connected evaporative cooling and air cooling heat pump composited high-temperature cold/hot water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200759574U CN202066138U (en) | 2011-03-22 | 2011-03-22 | Waterway serial connected evaporative cooling and air cooling heat pump composited high-temperature cold/hot water unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202066138U true CN202066138U (en) | 2011-12-07 |
Family
ID=45059999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200759574U Expired - Fee Related CN202066138U (en) | 2011-03-22 | 2011-03-22 | Waterway serial connected evaporative cooling and air cooling heat pump composited high-temperature cold/hot water unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202066138U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292399A (en) * | 2013-06-04 | 2013-09-11 | 西安工程大学 | Direct evaporative cooling air conditioning unit for use in winter and summer and with crossing split fillers |
| CN106440150A (en) * | 2016-12-09 | 2017-02-22 | 祝大顺 | Inner circulation surface cooling type indirect evaporative cooling air treatment unit |
| US12031747B1 (en) | 2021-04-30 | 2024-07-09 | Combo-Cool, LLC | Chilling unit for evaporative air conditioning units |
-
2011
- 2011-03-22 CN CN2011200759574U patent/CN202066138U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292399A (en) * | 2013-06-04 | 2013-09-11 | 西安工程大学 | Direct evaporative cooling air conditioning unit for use in winter and summer and with crossing split fillers |
| CN103292399B (en) * | 2013-06-04 | 2015-10-28 | 西安工程大学 | The Winter-summer dual purpose direct evaporative cooling air conditioner group of filler apportion arranged crosswise |
| CN106440150A (en) * | 2016-12-09 | 2017-02-22 | 祝大顺 | Inner circulation surface cooling type indirect evaporative cooling air treatment unit |
| US12031747B1 (en) | 2021-04-30 | 2024-07-09 | Combo-Cool, LLC | Chilling unit for evaporative air conditioning units |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109855219B (en) | Integrated evaporative cooling-condensing chiller based on mechanical refrigeration | |
| CN101514829B (en) | Tube-plate evaporative condensing air-conditioning unit with packing | |
| CN202092257U (en) | Modular high-temperature cool/hot water unit of air-cooled heat pump | |
| CN101634476A (en) | Closed evaporation cooling high-temperature cold water unit | |
| CN108278767A (en) | A kind of cooling/air-cooled heat exchange composite condenser of evaporation | |
| CN101788174B (en) | Evaporative cooling and air-cooled heat pump type composite water chiller-heater unit | |
| CN103398433A (en) | Air conditioning system combining evaporation cooling, solar energy and semiconductor | |
| CN103411355A (en) | Evaporation-condensation separation type cold and heat collecting tri-integrated refrigeration station | |
| CN109855218B (en) | Integrated closed evaporative cooling-condensing chiller | |
| CN107166584B (en) | Winter-summer dual purpose recuperation of heat indirect evaporating-cooling air-conditioning system with cobble bed accumulation of heat | |
| CN105135739A (en) | Multifunctional heat pump type evaporative condensing air-conditioning unit | |
| CN107166591A (en) | Photovoltaic backheating type is combined cooling and heating energy-saving air-conditioner set | |
| CN111486718A (en) | Closed cooling tower and cooling method | |
| CN2524153Y (en) | Air conditioner by ground temperature ventilation | |
| CN101672500A (en) | Novel air source heat pump air conditioner | |
| CN111295084A (en) | Indirect evaporative cooling air conditioning unit using condenser and evaporator | |
| CN205119549U (en) | Multi -functional heat pump type evaporation formula condensation air conditioning unit | |
| CN107449076B (en) | Indirect-plus-direct evaporative cooling and mechanical refrigeration composite split air conditioner system | |
| CN201218574Y (en) | A heat pipe cold recovery type evaporative cooling high temperature chiller | |
| CN202066138U (en) | Waterway serial connected evaporative cooling and air cooling heat pump composited high-temperature cold/hot water unit | |
| CN111536809A (en) | Composite cooling tower and cooling method | |
| CN209910030U (en) | Ground source heat pump air/water spray heat exchange heat supplementing heating system | |
| CN113883619B (en) | A year-round antifreeze vertical indirect evaporative chiller | |
| CN202254137U (en) | A split heat recovery evaporative condensation fresh air conditioner | |
| CN202119028U (en) | Evaporative cooling closed high-temperature cold water machine set with mechanical refrigeration as auxiliary cold source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20130322 |