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 PDF

Info

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
water
air
cooler
evaporative
evaporative cooling
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
Application number
CN2011200759574U
Other languages
Chinese (zh)
Inventor
黄翔
白延斌
孙铁柱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Polytechnic University
Original Assignee
Xian Polytechnic University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xian Polytechnic University filed Critical Xian Polytechnic University
Priority to CN2011200759574U priority Critical patent/CN202066138U/en
Application granted granted Critical
Publication of CN202066138U publication Critical patent/CN202066138U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

Provided is a waterway serial connected evaporative cooling and air cooling heat pump composited high-temperature cold/hot water unit. A closed evaporative cooling cold water unit comprises an air inlet, a filter, an air cooler, a tube type indirect evaporative cooler and an evaporative cooling coil. The upper portion of the evaporative cooling unit is provided with a primary air fan, a water retaining board a, a water distributor a and a filler a, and the lower portion of the evaporative cooling coiler is provided with a water tank a. The upper portion of the tube type indirect evaporative cooler is provided with a secondary air fan, a water retaining board b, a water distributor b and a filler b, and the lower portion of the tube type indirect evaporative cooler is provided with a water tank b. An air cooling heat pump cold/hot water unit comprises a condenser, an evaporator and a compressor which form a closed loop, and other three air inlet faces of the air cooling heat pump cold/hot water unit are respectively provided with three direct evaporative coolers. The high-temperature cold/hot water unit integrates the direct evaporative cooler and the air cooling heat pump cold/hot water unit, thereby not only satisfying the requirement for water supply of a sensible heat tail end, but also simplifying pipelines of a water system, and enabling evaporative cooling technology to be reasonably applied to areas with moderate and high humidity.

Description

Water route tandem evaporative cooling and air-cooled heat pump combined high temperature cold/hot water unit
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)

1. water route tandem evaporative cooling and air-cooled heat pump combined high temperature cold/hot water unit is characterized in that, 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 (30), filter (29), aerial cooler (28), tube type indirect evaporative cooler (9) and 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 a(2 from top to bottom), water-locator a(3) and filler a(4), the bottom of evaporative cooling coil pipe (14) is provided with water tank a(13), water tank a(13) in pipeline is set by water pump a(12) with water-locator a(3) be connected; The top of tube type indirect evaporative cooler (9), be disposed with overfire air fan (5), water fender b(6 from top to bottom), water-locator b(7) and filler b(8), the bottom of tube type indirect evaporative cooler (9) is provided with water tank b(11), water tank b(11) in pipeline is set by water pump b(10) with aerial cooler (28) and water-locator b(7) be connected;
Described air-cooled heat pump cold/hot water unit comprises: constitute condenser (23), evaporimeter (16) and the compressor (17) of closed-loop path, the top in loop is provided with exhaust blower (24); 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 described enclosed evaporative cooling handpiece Water Chilling Units;
Other three air intake surface places of described air-cooled heat pump cold/hot water unit are provided with direct evaporative cooler a(26 respectively), direct evaporative cooler b(25) and direct evaporative cooler c(20).
2. according to the described combined high temperature cold/hot water of claim 1 unit, it is characterized in that, described evaporative cooling coil pipe (14) is connected with evaporimeter (16) by pipeline, evaporimeter (16) is provided with pipeline by water pump d(31) be connected with sensible heat end (32), sensible heat end (32), connect successively by pipeline between new blower fan group high temperature air cooler (33) and the evaporative cooling coil pipe (14), the pipeline that is connected between evaporative cooling coil pipe (14) and the evaporimeter (16) is provided with valve b(35), the pipeline of connection is provided with valve a(34 between new blower fan group high temperature air cooler (33) and the evaporative cooling coil pipe (14)).
3. according to claim 1 or 2 described combined high temperature cold/hot water units, it is characterized in that, direct evaporative cooler c(20) from top to bottom successively by water-locator c(22), filler c(21) and the water tank c(19 of bottom) form water tank c(19) in pipeline is set by water pump c(18) with water-locator c(22) be connected; Direct evaporative cooler b(25) with direct evaporative cooler a(26) structure respectively with direct evaporative cooler c(20) structure identical.
CN2011200759574U 2011-03-22 2011-03-22 Waterway serial connected evaporative cooling and air cooling heat pump composited high-temperature cold/hot water unit Expired - Fee Related CN202066138U (en)

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 (2)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN202092257U (en) Modular high-temperature cool/hot water unit of air-cooled heat pump
CN101191646B (en) Evaporation refrigerating water chilling unit
CN202024423U (en) Rotating wheel type evaporative cooling and mechanical refrigeration mixed type air conditioning unit
CN101788174B (en) Evaporative cooling and air-cooled heat pump type composite water chiller-heater unit
CN202853422U (en) Open water cooling unit compounded with vertical tube indirect-direct evaporative cooler
CN205065912U (en) Heat pipe - heat recovery type evaporative cooling air -conditioning system suitable for data center
CN201621798U (en) Cold and hot water machine set with combined evaporative type cold water machine set and air cooling heat pump cold and hot water machine set
CN105135739A (en) Multifunctional heat pump type evaporative condensing air-conditioning unit
CN105135572A (en) Heat pipe composite heat recovery type evaporative cooling air-conditioning system for data center
CN202403359U (en) Runner-type regenerative cycle evaporative cooling air conditioning unit
CN201218574Y (en) Heat pipe cold recovery type evaporation-cooling high temperature water chilling unit
CN101514829B (en) Tube-plate evaporative condensing air-conditioning unit with packing
CN202119028U (en) Evaporative cooling closed high-temperature cold water machine set with mechanical refrigeration as auxiliary cold source
CN202066138U (en) Waterway serial connected evaporative cooling and air cooling heat pump composited high-temperature cold/hot water unit
CN103411355A (en) Evaporation-condensation separation type cold and heat collecting tri-integrated refrigeration station
CN202254137U (en) Split type fresh air conditioner with heat-recovery evaporation-condensation function
CN205119549U (en) Multi -functional heat pump type evaporation formula condensation air conditioning unit
CN201909557U (en) Tubular device for producing cold water by means of indirect evaporation and direct evaporation
CN202024428U (en) Coiling evaporation cooling and air-cooled heat pump combined cold and hot water machine set
CN204494910U (en) A kind of wind source heat pump unit
CN203116202U (en) Double-cold-source combined operation air-conditioning system
CN208124530U (en) Phase-change energy-storage heat pump constant temperature system
CN201391953Y (en) Plate pipe evaporation type condensation air-conditioning machine set with padding
CN202813880U (en) Multi-condenser combined solar jetting air conditioning unit
CN206037497U (en) Efficient evaporation formula condenser

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