CN204593668U - Be applicable to the air-conditioning system in Environmental Control System of Metro with ventilation function - Google Patents
Be applicable to the air-conditioning system in Environmental Control System of Metro with ventilation function Download PDFInfo
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- CN204593668U CN204593668U CN201520003804.7U CN201520003804U CN204593668U CN 204593668 U CN204593668 U CN 204593668U CN 201520003804 U CN201520003804 U CN 201520003804U CN 204593668 U CN204593668 U CN 204593668U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 36
- 238000009423 ventilation Methods 0.000 title claims abstract description 23
- 230000007613 environmental effect Effects 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 161
- 238000009833 condensation Methods 0.000 claims abstract description 23
- 150000001875 compounds Chemical class 0.000 claims abstract 3
- 238000011084 recovery Methods 0.000 claims abstract 3
- 239000007921 spray Substances 0.000 claims description 22
- 230000005494 condensation Effects 0.000 claims description 21
- 239000000945 filler Substances 0.000 claims description 15
- 238000005057 refrigeration Methods 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims 6
- 239000002131 composite material Substances 0.000 claims 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 18
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 description 30
- 230000008020 evaporation Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 5
- 238000007791 dehumidification Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003532 endogenous pyrogen Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
本实用新型公开的适用于地铁环控系统内具有通风功能的空调系统，包括有与地铁环境连接的通风空调机组及蒸发冷凝冷水机组，通风空调机组与蒸发冷凝冷水机组之间通过风管网、水管网连接，地铁环境外接有回风管；通风空调机组包括机组壳体，机组壳体相对的两侧壁上分别设有进风口、送风口；机组壳体内有热回收装置、初效过滤器、立管间接蒸发冷却器、表冷器、直接蒸发冷却器、挡水板及送风机；蒸发冷凝冷水机组包括有壳体，壳体内设置有复合式冷凝装置，复合式冷凝装置的上方依次设置有挡水板及排风机，壳体侧壁上有进风口；壳体外有压缩机、蒸发器及节流装置。本实用新型的空调系统解决现有的地铁环控系统能耗大及冷却塔设置的问题。
The utility model discloses an air-conditioning system with ventilation function suitable for the subway environment control system, including a ventilation air-conditioning unit and an evaporative-condensation chiller connected to the subway environment, and the ventilation air-conditioner unit and the evaporative-condensation chiller are connected by an air pipe network, The water pipe network is connected, and the subway environment is connected with a return air pipe; the ventilation and air conditioning unit includes a unit shell, and the opposite side walls of the unit shell are respectively provided with an air inlet and an air supply port; the unit shell has a heat recovery device and a primary filter , standpipe indirect evaporative cooler, surface cooler, direct evaporative cooler, water baffle and blower; the evaporative condensing chiller includes a shell, and a compound condensing device is arranged in the shell, and the top of the compound condensing device is sequentially arranged A water baffle and an exhaust fan have an air inlet on the side wall of the housing; a compressor, an evaporator and a throttling device are arranged outside the housing. The air-conditioning system of the utility model solves the problems of high energy consumption and cooling tower arrangement of the existing subway environmental control system.
Description
Technical field
The utility model belongs to operation of air conditioning systems technical field, is specifically related to a kind of air-conditioning system being applicable to have in Environmental Control System of Metro ventilation function.
Background technology
Along with the quickening of city rhythm, subway becomes the conventional vehicles of people's go off daily, but is the place of a relative closure in subway, is by a small amount of ventilation shaft, or is connected with gateway with the mode of communicating in the external world.In addition, have a large amount of stream of peoples and wagon flow in subway, form a large amount of endogenous pyrogens, if these heats can not be discharged in time, not only passenger cannot stand, and can impact the operation of train apparatus.Just because of this, Environmental Control System of Metro serves very important effect in subway circulation.
Mainly there are following two aspect problem demanding prompt solutions in existing Environmental Control System of Metro: there is the huge problem of energy consumption on the one hand; On the other hand, Environmental Control System of Metro needs to be equipped with cooling tower, and cooling tower will be arranged on ground, and not only cooling tower addressing is a problem, and the problem that the noise of cooling tower, drift ice and breed bacteria are brought can cause ill effect to surrounding resident.
After evaporative cooling is combined with mechanical refrigeration, form the air-conditioner set with ventilation function, and this air-conditioner set and evaporative condenser handpiece Water Chilling Units are joined together to run, a kind of efficient and energy-conservation air-conditioning system can be formed, and can cooling tower be saved in whole system, the other problems well solving cooling tower addressing and bring.
Utility model content
The purpose of this utility model is to provide a kind of air-conditioning system being applicable to have in Environmental Control System of Metro ventilation function, without the need to arranging cooling tower, solves the problem that the large and cooling tower of existing Environmental Control System of Metro energy consumption is arranged.
The technical scheme that the utility model adopts is, be applicable to the air-conditioning system in Environmental Control System of Metro with ventilation function, include the air conditioner unit and evaporative condenser handpiece Water Chilling Units that are connected with metro environment, be connected respectively by airduct net, grid between air conditioner unit with evaporative condenser handpiece Water Chilling Units, metro environment is circumscribed with backwind tube; Air conditioner unit, includes machine unit shell, and the two side that machine unit shell is relative is respectively arranged with air inlet a, air outlet; Enter rear flow direction by air in machine unit shell and be disposed with heat reclamation device, roughing efficiency air filter, standpipe indirect evaporation cooler, surface cooler, direct evaporative cooler, water fender a and pressure fan, machine unit shell roof corresponding above standpipe indirect evaporation cooler is provided with exhaust outlet; Air outlet is communicated with metro environment by ajutage; Heat reclamation device is connected with backwind tube by the first airduct; Evaporative condenser handpiece Water Chilling Units, includes housing, is provided with combined type condensing unit in housing, and the top of combined type condensing unit is disposed with water fender c and exhaust blower, and the machine unit shell roof that exhaust blower is corresponding is provided with ventilation window; Housing one sidewall is provided with air inlet b, and air inlet b is connected with backwind tube by the second airduct; Housing is also provided with the compressor, evaporimeter and the throttling arrangement that are connected with combined type condensing unit outward.
Feature of the present utility model is also:
Air-valve a is provided with in first airduct; Air-valve b is provided with in second airduct.
Standpipe indirect evaporation cooler, includes vertical heat exchanging pipe group, and the top of vertical heat exchanging pipe group is disposed with water injector, water fender b and overfire air fan, and water injector is made up of sparge pipe and the nozzle a that is evenly arranged at multiple downward spray on sparge pipe; The below of vertical heat exchanging pipe group is provided with water tank a, and water tank a is connected with sparge pipe by the first feed pipe.
Vertical heat exchanging pipe group is made up of the heat exchanger tube that many are vertically arranged; First feed pipe is provided with water pump a.
Direct evaporative cooler, includes filler, and the top of filler is provided with water-distributing device, and water-distributing device is made up of water distributor and the nozzle b that is evenly arranged at multiple downward spray on water distributor; The below of filler is provided with water tank c, and water tank c is connected with water distributor by the second feed pipe.
Second feed pipe is provided with water pump c.
The below of surface cooler is provided with water tank b, and surface cooler is connected with the combined type condensing unit in evaporative condenser handpiece Water Chilling Units by grid with water tank b.
Combined type condensing unit, includes condenser, and condenser is coupled to form by coil pipe and filler unit; The top of condenser is provided with spray equipment, and spray equipment is made up of spray header and the nozzle c that is evenly arranged at multiple downward spray on spray header; The below of condenser is provided with water tank d, forms air channel between condensing unit and water tank d; Water tank d is connected with spray header by the 3rd feed pipe, and water tank d is also connected with water tank b by the 4th feed pipe; Coil pipe by refrigerant tubing successively with compressor, evaporimeter and throttling arrangement connect and compose closed-loop path, formed refrigeration system; Evaporimeter connects and composes closed-loop path respectively by chilled water return pipe, chilled water feed pipe and surface cooler.
3rd feed pipe is provided with water pump d.
4th feed pipe is provided with water pump b.
The beneficial effects of the utility model are:
1. air-conditioning system of the present utility model adopts the mode of air conditioner unit and the associating of evaporative condenser handpiece Water Chilling Units, and what air conditioner unit wherein adopted is the operational mode that evaporative cooling combines with mechanical refrigeration; Be admitted in metro environment by the air of air conditioner unit process, take away waste heat remaining wet; Air conditioner unit can realize different operating modes: open standpipe indirect evaporation cooler in air conditioner unit and surface cooler simultaneously, open standpipe indirect evaporation cooler in air conditioner unit and direct evaporative cooler, the standpipe indirect evaporation cooler in a unlatching air conditioner unit simultaneously; Different operating modes can meet the humiture requirement of Various Seasonal metro environment.
2. air-conditioning system of the present utility model makes full use of return air; Wherein the intake air of evaporative condenser handpiece Water Chilling Units adopts the return air that temperature is lower, and the efficiency of evaporating condensation type handpiece Water Chilling Units is improved; The processed air of air conditioner unit first carries out heat exchange with return air in heat-exchange device, and processed air is processed by after precooling again, by reclaiming the cold of return air, makes ventilation and air conditioning system of the present utility model more energy-conservation.
3. be provided with evaporating condensation type handpiece Water Chilling Units in air-conditioning system of the present utility model, what its intake air adopted is return air in Metro Space, the form that condenser adopts coil pipe to be coupled with filler, and the lower condensed water of temperature that surface cooler produces is in the water tank that water pump is sent in evaporating condensation type handpiece Water Chilling Units, circulating water temperature is reduced greatly, the efficiency of evaporating condensation type handpiece Water Chilling Units improves and more energy-conservation, have important meaning to the energy-conservation of subway ' s air-conditioning system.
4. adopt evaporating condensation type handpiece Water Chilling Units in air-conditioning system of the present utility model, the cryogenic freezing water that evaporating condensation type handpiece Water Chilling Units produces sends into the surface cooler place in air conditioner unit, saves cooling water system, eliminates the setting of subway cooling tower on ground.
5. be provided with air conditioner unit in air-conditioning system of the present utility model, what the tube type indirect evaporative cooler in air conditioner unit adopted is standpipe type indirect evaporation cooler, can reduce machine packet size, saves unit floor space, reduces initial cost.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model is applicable to the air-conditioning system in Environmental Control System of Metro with ventilation function.
In figure, 1. air inlet a, 2. heat reclamation device, 3. roughing efficiency air filter, 4. vertical heat exchanging pipe group, 5. water tank a, 6. water pump a, 7. water pump b, 8. water tank b, 9. surface cooler, 10. filler, 11. water tank c, 12. water pump c, 13. water fender a, 14. nozzle a, 15. water fender b, 16. overfire air fans, 17. nozzle b, 18. pressure fan, 19. ajutages, 20. backwind tubes, 21. air inlet b, 22. evaporative condensers, 23. filler units, 24. water tank d, 25. water pump d, 26. nozzle c, 27. water fender c, 28. exhaust blowers, 29. throttling arrangements, 30. compressors, 31. evaporimeters, 32. refrigerant tubings, 33. air-valve a, 34. air-valve b, 35. first airducts, 36. second airducts, 37. air channels, 38. chilled water return pipes, 39. chilled water feed pipes, 40. first feed pipes, 41. second feed pipes, 42. the 3rd feed pipes, 43. the 4th feed pipes, A. metro environment, B. air conditioner unit, C. evaporative condenser handpiece Water Chilling Units.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The utility model is applicable to the air-conditioning system in Environmental Control System of Metro with ventilation function, its structure as shown in Figure 1, include the air conditioner unit B and evaporative condenser handpiece Water Chilling Units C that are connected with metro environment A, air conditioner unit B is connected respectively by airduct net, grid with between evaporative condenser handpiece Water Chilling Units C, and metro environment A is circumscribed with backwind tube 20.
Air conditioner unit B, include machine unit shell, the two side that machine unit shell is relative is respectively arranged with air inlet a1, air outlet, enters rear flow direction by air in machine unit shell and be disposed with heat reclamation device 2, roughing efficiency air filter 3, standpipe indirect evaporation cooler, surface cooler 9, direct evaporative cooler, water fender a13 and pressure fan 18; Air outlet is communicated with metro environment A by ajutage 19; Heat reclamation device 2 is connected with backwind tube 20 by the first airduct 35, and machine unit shell roof is stretched out in one end of the first ajutage 35, and is provided with air-valve a33 in the first airduct 35; Machine unit shell roof corresponding above standpipe indirect evaporation cooler is provided with exhaust outlet.
Standpipe indirect evaporation cooler, includes vertical heat exchanging pipe group 4, and vertical heat exchanging pipe group 4 is made up of the heat exchanger tube that many are vertically arranged; The top of vertical heat exchanging pipe group 4 is disposed with water injector, water fender b15 and overfire air fan 16, and water injector is made up of sparge pipe and the nozzle a14 that is evenly arranged at multiple downward spray on sparge pipe; The below of vertical heat exchanging pipe group is provided with water tank a5, and water tank a5 is connected with sparge pipe by the first feed pipe 40, and the first feed pipe 40 is provided with water pump a6.
Direct evaporative cooler, includes filler 10, and the top of filler 10 is provided with water-distributing device, and water-distributing device is made up of water distributor and the nozzle b17 that is evenly arranged at multiple downward spray on water distributor; The below of filler 10 is provided with water tank c11, and water tank c11 is connected with water distributor by the second feed pipe 41; Second feed pipe 41 is provided with water pump c12.
The below of surface cooler 9 is provided with water tank b8, and surface cooler 9 is connected with evaporative condenser handpiece Water Chilling Units C by grid with water tank b8.
Evaporative condenser handpiece Water Chilling Units C, includes housing, is provided with combined type condensing unit in housing, and the top of combined type condensing unit is disposed with water fender c27 and exhaust blower 28, and the machine unit shell roof of exhaust blower 28 correspondence is provided with ventilation window; Housing one sidewall is provided with air inlet b21, and air inlet b21 is connected with backwind tube 20 by the second airduct 36, is provided with air-valve b34 in the second airduct 36; Housing is also provided with the compressor 30, evaporimeter 31 and the throttling arrangement 29 that are connected with combined type condensing unit outward.
Combined type condensing unit, includes condenser, and condenser is coupled to form by coil pipe 22 and filler unit 23; The top of condenser is provided with spray equipment, and spray equipment is made up of spray header and the nozzle c26 that is evenly arranged at multiple downward spray on spray header; The below of condenser is provided with water tank d24, forms air channel 37 between condensing unit and water tank d24; Water tank d24 is connected with spray header by the 3rd feed pipe 42, and the 3rd feed pipe 42 is provided with water pump d25; Water tank d24 is also connected with water tank b8 (effectively can reduce the temperature of recirculated water, improve the efficiency of evaporating condensation type handpiece Water Chilling Units C) by the 4th feed pipe 43, and the 4th feed pipe 43 is provided with water pump b7.
Wherein, coil pipe 22 by refrigerant tubing 32 successively with compressor 30, evaporimeter 31 and throttling arrangement 29 connect and compose closed-loop path, formed refrigeration system; Evaporimeter 31 connects and composes closed-loop path respectively by chilled water return pipe 38, chilled water feed pipe 39 with surface cooler 9.
The course of work that the utility model is applicable to the air-conditioning system in Environmental Control System of Metro with ventilation function is specific as follows:
(1) course of work of water system is:
The cryogenic freezing water produced through evaporating condensation type handpiece Water Chilling Units C is admitted in the surface cooler 9 in air conditioner unit B, now can carry out cool-down dehumidification process to the new wind in outdoor entered in air conditioner unit B, the chilled water of then temperature rising is in the refrigeration system that chilled water return pipe 38 flow back into evaporating condensation type handpiece Water Chilling Units C;
The condensed water of outdoor air after surface cooler 9 processes is collected in the water tank b8 below surface cooler 9, condensed water in the effect lower header b8 of water pump b7 is delivered in the water tank d24 in evaporating condensation type handpiece Water Chilling Units C through the 4th feed pipe 43, in water tank d24, water is delivered to spray equipment through the 3rd feed pipe 42 under the effect of water pump d25, sprayed by nozzle c26, shower water is stayed on coil pipe 22 and filler unit 23, recirculated water on it and the return air of Metro Space carry out hot and humid area, take away the condensation heat of cold-producing medium, ensure that compression mechanism SAPMAC method normally runs, obtain cryogenic freezing water, circulation like this, constantly cool-down dehumidification is carried out to outdoor air.
(2) course of work of wind system is:
1) the scorching temperature period in summer, air conditioner unit B and evaporating condensation type handpiece Water Chilling Units C cooperation:
First return air in metro environment A flow along backwind tube 20, after being shunted by the first airduct 35, second airduct 36 respectively; A part enters outdoor pre-cooling of fresh air in heat reclamation device 2 along the first airduct 35, another part enters along the second airduct 36 condensation heat taking away cold-producing medium in evaporating condensation type handpiece Water Chilling Units C, be provided with in first airduct 35 in air-valve a33, the second airduct 36 and be provided with air-valve b34, can be used to regulate respective air quantity; Because the return air temperature in metro environment A is lower, be conducive to improving evaporating condensation type handpiece Water Chilling Units C efficiency; And after outdoor new wind and heat reclamation device 2 heat exchange, through roughing efficiency air filter 3 filtration, purification, again by after the wet coolings such as standpipe indirect evaporation cooler carries out, through surface cooler 9 cool-down dehumidification, through the moisture that water fender 13 filtering is unnecessary, send in metro environment A through ajutage 19 under the effect of pressure fan 18, take away waste heat and remaining wet.
2) transition season, close the air-valve b34 in evaporating condensation type handpiece Water Chilling Units C and the second airduct 36:
Outdoor new wind enters in air conditioner unit B, after heat reclamation device 2 heat exchange, after roughing efficiency air filter 3 filtration, purification, by wet coolings such as standpipe indirect evaporation coolers, require to select to open or close direct evaporative cooler according to the humiture in metro environment A, send in metro environment A through ajutage 19 under the effect of pressure fan 18, ensure that thermal comfort requires and hygienic requirements.
The air-conditioning system that the utility model is applicable to have in Environmental Control System of Metro ventilation function is mainly for the problem solving the large and cooling tower of energy consumption that existing Environmental Control System of Metro exists and arrange, air conditioner unit B and evaporating condensation type handpiece Water Chilling Units C is combined, wherein, heat reclamation device 2 in air conditioner unit B utilizes new wind outside the return air fore-cooling room in metro environment A, has reclaimed return air cold; The return air that what the air intake of evaporating condensation type handpiece Water Chilling Units C also adopted is in metro environment A, air conditioner unit B can realize different operating modes from evaporating condensation type handpiece Water Chilling Units C cooperation, adapts to different demands in season; In addition, evaporating condensation type handpiece Water Chilling Units C is adopted can to save cooling water system, without the need to arranging cooling tower; It is a kind of efficient, energy-conservation ventilation and air conditioning system that the utility model is applied to Environmental Control System of Metro.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003804.7U CN204593668U (en) | 2015-01-05 | 2015-01-05 | Be applicable to the air-conditioning system in Environmental Control System of Metro with ventilation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003804.7U CN204593668U (en) | 2015-01-05 | 2015-01-05 | Be applicable to the air-conditioning system in Environmental Control System of Metro with ventilation function |
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| Publication Number | Publication Date |
|---|---|
| CN204593668U true CN204593668U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520003804.7U Expired - Fee Related CN204593668U (en) | 2015-01-05 | 2015-01-05 | Be applicable to the air-conditioning system in Environmental Control System of Metro with ventilation function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062494A (en) * | 2017-05-27 | 2017-08-18 | 西安工程大学 | It is a kind of to evaporate the air-conditioner set that cooling is combined with mechanical refrigeration |
| CN108050629A (en) * | 2018-01-20 | 2018-05-18 | 中煤能源研究院有限责任公司 | Double low-temperature receiver undergrounds refrigeration system and method based on indirect evaporating-cooling cooling-water machine |
| CN108168348A (en) * | 2017-12-26 | 2018-06-15 | 山东冬瑞高新技术开发有限公司 | A kind of manufacturing industry Large Efficient formula Wind cooling temperature reducing device |
| CN110779124A (en) * | 2019-09-29 | 2020-02-11 | 河北秦淮数据有限公司 | Multi-stage refrigeration system for data center machine room |
-
2015
- 2015-01-05 CN CN201520003804.7U patent/CN204593668U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062494A (en) * | 2017-05-27 | 2017-08-18 | 西安工程大学 | It is a kind of to evaporate the air-conditioner set that cooling is combined with mechanical refrigeration |
| CN108168348A (en) * | 2017-12-26 | 2018-06-15 | 山东冬瑞高新技术开发有限公司 | A kind of manufacturing industry Large Efficient formula Wind cooling temperature reducing device |
| CN108168348B (en) * | 2017-12-26 | 2021-09-28 | 吴飞斌 | Large-scale high-efficient formula forced air cooling heat sink is used in manufacturing |
| CN108050629A (en) * | 2018-01-20 | 2018-05-18 | 中煤能源研究院有限责任公司 | Double low-temperature receiver undergrounds refrigeration system and method based on indirect evaporating-cooling cooling-water machine |
| CN108050629B (en) * | 2018-01-20 | 2023-07-11 | 中煤能源研究院有限责任公司 | Double-cold-source underground refrigerating system and method based on indirect evaporative cooling chiller |
| CN110779124A (en) * | 2019-09-29 | 2020-02-11 | 河北秦淮数据有限公司 | Multi-stage refrigeration system for data center machine room |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20160105 |