CN204830276U - System for data center uses natural cooling refrigeration - Google Patents

System for data center uses natural cooling refrigeration Download PDF

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Publication number
CN204830276U
CN204830276U CN201520490392.4U CN201520490392U CN204830276U CN 204830276 U CN204830276 U CN 204830276U CN 201520490392 U CN201520490392 U CN 201520490392U CN 204830276 U CN204830276 U CN 204830276U
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China
Prior art keywords
cooling
electric
output
pipeline
refrigeration
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Expired - Fee Related
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CN201520490392.4U
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Chinese (zh)
Inventor
王超辉
武建
赵建伟
陈斌
白一
乔丽洁
王雪飞
叶彩花
李阁琳
马亚
潘然
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Beijing Gas Energy Development Co Ltd
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Beijing Gas Energy Development Co Ltd
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Abstract

The utility model provides a system for data center uses natural cooling refrigeration, it is including cooling tower (E -1), refrigerator (E -4), wherein: being less than in continuous 24 hours 5 when spending as outdoor wet bulb temperature, directly utilizing the cooling tower, do not move the refrigerator for the data center process, this in -process cooling water and equipment such as refrigerated water circulating pump and cooling tower fan still must move. Data center is with characteristics being that the equipment heat dissipation capacity is big, and the demand refrigeration duty expected much to cooling guarantee degree simultaneously last year. The natural cooling system utilizes lower outside air temperature of transition season or winter, with the cooling of indoor refrigerated water to 15 degrees to the lower cold demand of electric energy resource consumption supply data center. The utility model discloses owing to used the natural cooling system, reduced the time of opening the refrigerator, the utilization be outdoor natural cold source, so can save a large amount of energy resource consumptions, especially at transition season with still need the premises of cooling winter.

Description

A kind of system of data-center applications free cooling refrigeration
Technical field
The utility model relates to refrigeration technology field, is the system of applying natural cooling technology refrigeration in a kind of project of the heart in the data.
Background technology
Data center: along with the increase of data center's power density, its heat dissipation capacity is increasing, and the consumption of the corresponding energy also increases thereupon.In existing data center, most energy ezpenditure in refrigeration systems.Therefore, refrigeration system energy-conservation whole data center energy-conservation in occupy extremely important status.
Cooling System: Cooling System is called FREECOOLING abroad, is exactly literally free refrigeration, because eliminating the running of handpiece Water Chilling Units, saves energy, thus reach energy-conservation effect.Large-scale market, office building, data center etc., Beijing area has inner region to need to carry out in the winter time air conditioner refrigerating, also has many modes adopting cooling tower to carry out winter air-conditioning refrigeration.
Naturally cooling be utilize density with temperature to change and the fluid cyclic process that produces to take away the type of cooling of heat.Nature Cooling Air-conditioning System, from the later stage seventies in last century, appears at the earliest and pays much attention in energy-conservation West Europe operator machine room; This system is widely used in Large-scale Data Rooms, switching room, IDC etc. all need annual 365 days, whole day 24 hours coolings, and outdoor temperature transition season and winter lower area.Even if natural cooling technology has not been a firm incipient brand-new technology in China yet.The CNC Dalian data center built for 2000 just have employed this system.In fact, this free energy can be adopted for the IDC machine room or communication machine room that have cooling demand the whole year.This system is given and is used user to save a large amount of electricity charge, and the angle simultaneously standing in China's energy strategy and low-carbon economy is said, is also the world-leading power-saving technology that must promote.
Utility model content
The utility model object is the system providing a kind of data-center applications free cooling refrigeration, it in the winter time or conditioning in Transition Season by outdoor natural cooling source be its cooling.
The utility model is by the following technical solutions to achieve these goals:
A system for data-center applications free cooling refrigeration, it includes cooling tower (E-1), and refrigeration machine (E-4), is characterized in that:
The output cooling water pipeline of cooling tower (E-1) is connected with cooling water pump (E-2), the output channel of this cooling water pump (E-2) is connected with the first input end of the first electric three passes valve (E-3), second output of this first electric three passes valve (E-3) is connected with the cooling water input of plate type heat exchanger (E-5) by pipeline (E-10), the cooling water output of this plate type heat exchanger (E-5) is connected by the first input end of pipeline with the second electric three passes valve (E-9), second output of this second electric three passes valve (E-9) is connected with the input of cooling tower (E-1) by pipeline (E-12),
The output chilled water pipeline (E-13) of refrigeration duty is connected with chilled water pump (E-6), the output channel of this chilled water pump (E-6) is connected with the first input end of the 3rd electric three passes valve (E-8), second output of the 3rd electric three passes valve (E-8) is connected by the chilled water input of pipeline with plate type heat exchanger (E-5), the chilled water output of this plate type heat exchanger (E-5) is connected with the first input end of the 4th electric three passes valve (E-7) by pipeline (E-14), second output of the 4th electric three passes valve (E-7) is connected with the input of refrigeration duty by pipeline (E-71).
Wherein, 3rd output of the first electric three passes valve (E-3) is connected with the cooling water input of refrigeration machine (E-4), and the cooling water output of this refrigeration machine (E-4) is connected by the 3rd input of pipeline with the second electric three passes valve (E-9).
Wherein, 3rd output of the 3rd electric three passes valve (E-8) is connected with the chilled water input of refrigeration machine (E-4), and the chilled water output of this refrigeration machine (E-4) is connected by the 3rd input of pipeline with the 4th electric three passes valve (E-9).
The beneficial effects of the utility model are:
The utility model utilizes cooling tower directly for end-equipment provides low-temperature receiver; This system supplementing as conventional air conditioning system, provides cold at transition season and winter; This mode winter or transition machine utilize the cooling system of electrical chillers in summer to complete nature cooling, do not have the increase economy of equipment investment higher; This mode can be used for the building whole year with refrigeration duty demand, as data center, hotel, hospital etc.; Greatly can reduce power consumption, extend the refrigeration unit life-span, improve the economy of project entirety, stable and reliable operation simultaneously, security are higher.
Accompanying drawing explanation
Fig. 1 is system schematic of the present utility model.
Detailed description of the invention
Shown in Figure 1: a kind of system of data-center applications free cooling refrigeration, it includes cooling tower E-1, refrigeration machine E-4;
The output cooling water pipeline of cooling tower E-1 is connected with cooling water pump E-2, the output channel of this cooling water pump E-2 is connected with the first input end of the first electric three passes valve E-3, second output of this first electric three passes valve E-3 is connected with the cooling water input of plate type heat exchanger E-5 by pipeline E-10, the cooling water output of this plate type heat exchanger E-5 is connected by the first input end of pipeline with the second electric three passes valve E-9, and second output of this second electric three passes valve E-9 is connected with the input of cooling tower E-1 by pipeline E-12;
The output chilled water pipeline E-13 of refrigeration duty is connected with chilled water pump E-6, the output channel of this chilled water pump E-6 is connected with the first input end of the 3rd electric three passes valve E-8, second output of the 3rd electric three passes valve E-8 is connected with the chilled water input of plate type heat exchanger E-5 by pipeline, the chilled water output of this plate type heat exchanger E-5 is connected with the first input end of the 4th electric three passes valve E-7 by pipeline E-14, and second output of the 4th electric three passes valve E-7 is connected with the input of refrigeration duty by pipeline E-71.
Wherein, the 3rd output of the first electric three passes valve E-3 is connected with the cooling water input of refrigeration machine E-4, and the cooling water output of this refrigeration machine E-4 is connected by the 3rd input of pipeline with the second electric three passes valve E-9.
Wherein, the 3rd output of the 3rd electric three passes valve E-8 is connected with the chilled water input of refrigeration machine E-4, and the chilled water output of this refrigeration machine E-4 is connected by the 3rd input of pipeline with the 4th electric three passes valve E-9.
The utility model in the winter time or conditioning in Transition Season ensure stable refrigeration duty is provided, detailed description of the invention is as follows:
The utility model at outdoor wet-bulb temperature higher than the working method under 5 degree of cooling conditions:
Switch electric three passes valve E-3/7/8/9, make chilled water and cooling water without plate type heat exchanger E-5, after wherein chilled water absorbs heat by air conditioning terminal, the evaporimeter of refrigeration machine E-4 is entered by pipeline E-13, carrying out heat exchange through the condenser of refrigeration machine E-4 and cooling water, is that end continues cooling by pipeline E-15 after heat exchange.Getting back in cooling tower E-1 through piping E-12 after cooling water heat exchange puts to outside air by heat, completes circulation.
The utility model at outdoor wet-bulb temperature lower than the working method under 5 degree of cooling conditions::
Switch electric three passes valve E-3/7/8/9, make chilled water and cooling water directly enter plate type heat exchanger E-5 and carry out heat exchange.Wherein cooling water water outlet enters plate type heat exchanger E-5 by pipeline E-10, gets back to cooling tower E-1 with after chilled water heat exchange through piping E-12.Chilled water enters plate type heat exchanger E-5 through piping E-13 after absorbing end heat, and continues as end by pipeline E-14 after cooling water heat exchange and provides refrigeration duty, completes circulation.
Increase plate type heat exchanger E-5 and electric three passes valve are in order to keep apart cooling water loop and chilled water loop.
Be greater than the electric three passes valve on the cooling operating mode incision replace tubes road of 5 degree at outdoor wet-bulb temperature, make cooling tower water outlet directly enter refrigeration machine by pipeline E-11, complete kind of refrigeration cycle by compressor work.
Electric three passes valve on the cooling operating mode incision replace tubes road of outdoor wet-bulb temperature lower than 5 degree, cooling tower water outlet is made to enter plate type heat exchanger and chilled water heat exchange by pipeline E-10, directly cooling tower is got back to by pipeline E-12, for end provides refrigeration duty after heat exchange.
Cooling water system transition machine, winter adopt anti-icing fluid to be run working medium to prevent from frozen pipe or install electric tracing raising cooling water temperature additional at cooling water preventing frozen pipe.
Of the present utility modelly also to have the following advantages:
1, data center machine room caloric value is large, and in order to ensure building environment, air-conditioning equipment needs whole year operation, and power consumption is large.When outdoor wet-bulb temperature reaches below 5 degree, can make full use of outdoor air as natural cooling source to meet the needs of machine room cooling, power saving rate can reach 30%, substantially increases project economics, be the important technical realizing energy-saving and emission-reduction, meet the strategic requirement of China's sustainable development.Utilize outdoor natural cooling source, can effectively reduce air conditioner in machine room operation energy consumption, there is good economic and social benefit.
2, when outdoor wet-bulb temperature reaches below 5 degree, the energy consumption equipments such as handpiece Water Chilling Units, chilled water pump, cooling water pump, cooling tower can be stopped, also reduce the winter operation time of equipment while reducing energy consumption, extend the service life of these equipment; Decrease the operation maintenance maintenance work amount of winter to equipment such as handpiece Water Chilling Units, chilled water pump, cooling water pump, cooling towers.Data-center applications natural cooling technology is that an amount of energy saving is large, and investment cost is low, the advanced technology that the investment payback time is short, can applied range, and reproducibility is strong, is worth promoting.

Claims (3)

1. a system for data-center applications free cooling refrigeration, it includes cooling tower (E-1), and refrigeration machine (E-4), is characterized in that:
The output cooling water pipeline of cooling tower (E-1) is connected with cooling water pump (E-2), the output channel of this cooling water pump (E-2) is connected with the first input end of the first electric three passes valve (E-3), second output of this first electric three passes valve (E-3) is connected with the cooling water input of plate type heat exchanger (E-5) by pipeline (E-10), the cooling water output of this plate type heat exchanger (E-5) is connected by the first input end of pipeline with the second electric three passes valve (E-9), second output of this second electric three passes valve (E-9) is connected with the input of cooling tower (E-1) by pipeline (E-12),
The output chilled water pipeline (E-13) of refrigeration duty is connected with chilled water pump (E-6), the output channel of this chilled water pump (E-6) is connected with the first input end of the 3rd electric three passes valve (E-8), second output of the 3rd electric three passes valve (E-8) is connected by the chilled water input of pipeline with plate type heat exchanger (E-5), the chilled water output of this plate type heat exchanger (E-5) is connected with the first input end of the 4th electric three passes valve (E-7) by pipeline (E-14), second output of the 4th electric three passes valve (E-7) is connected with the input of refrigeration duty by pipeline (E-71).
2. the system of data-center applications free cooling refrigeration as claimed in claim 1, it is characterized in that: the 3rd output of the first electric three passes valve (E-3) is connected with the cooling water input of refrigeration machine (E-4), the cooling water output of this refrigeration machine (E-4) is connected by the 3rd input of pipeline with the second electric three passes valve (E-9).
3. the system of data-center applications free cooling refrigeration as claimed in claim 1 or 2, it is characterized in that: the 3rd output of the 3rd electric three passes valve (E-8) is connected with the chilled water input of refrigeration machine (E-4), the chilled water output of this refrigeration machine (E-4) is connected by the 3rd input of pipeline with the 4th electric three passes valve (E-9).
CN201520490392.4U 2015-07-08 2015-07-08 System for data center uses natural cooling refrigeration Expired - Fee Related CN204830276U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106440137A (en) * 2016-09-30 2017-02-22 郑州云海信息技术有限公司 Energy saving air conditioner system and refrigeration method
CN106793691A (en) * 2016-12-19 2017-05-31 长安大学 A kind of data center is using originally water cooling and residual neat recovering system and method
CN107091510A (en) * 2017-04-12 2017-08-25 北京百度网讯科技有限公司 Data center's refrigerating method and system
CN107166586A (en) * 2017-05-26 2017-09-15 郑州云海信息技术有限公司 A kind of data center's energy-saving air conditioning system and adjusting method
CN107906785A (en) * 2017-11-10 2018-04-13 南京南瑞集团公司节能环保分公司 A kind of low temperature natural coldness resource utilizing system and method
CN110068089A (en) * 2019-05-29 2019-07-30 国家图书馆 Energy-saving air conditioning system for library
CN115875908A (en) * 2022-11-14 2023-03-31 苏州市洋基机电工程有限公司 Industrial cooling water recovery processing device
CN116007078A (en) * 2021-10-21 2023-04-25 中国移动通信集团设计院有限公司 Method, device and equipment for acquiring operation parameters of refrigeration system
CN120740166A (en) * 2025-07-16 2025-10-03 深圳万润新能源有限公司 Composite annual cooling self-adaptive efficient energy-saving regulating system and method

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106440137A (en) * 2016-09-30 2017-02-22 郑州云海信息技术有限公司 Energy saving air conditioner system and refrigeration method
CN106793691B (en) * 2016-12-19 2023-04-28 长安大学 System and method for cooling water and recovering waste heat by utilizing tap water in data center
CN106793691A (en) * 2016-12-19 2017-05-31 长安大学 A kind of data center is using originally water cooling and residual neat recovering system and method
CN107091510A (en) * 2017-04-12 2017-08-25 北京百度网讯科技有限公司 Data center's refrigerating method and system
CN107166586A (en) * 2017-05-26 2017-09-15 郑州云海信息技术有限公司 A kind of data center's energy-saving air conditioning system and adjusting method
CN107906785A (en) * 2017-11-10 2018-04-13 南京南瑞集团公司节能环保分公司 A kind of low temperature natural coldness resource utilizing system and method
CN110068089B (en) * 2019-05-29 2024-03-15 国家图书馆 Energy-saving air conditioning system for libraries
CN110068089A (en) * 2019-05-29 2019-07-30 国家图书馆 Energy-saving air conditioning system for library
CN116007078A (en) * 2021-10-21 2023-04-25 中国移动通信集团设计院有限公司 Method, device and equipment for acquiring operation parameters of refrigeration system
CN116007078B (en) * 2021-10-21 2024-07-02 中国移动通信集团设计院有限公司 Method, device and equipment for acquiring operation parameters of refrigeration system
CN115875908A (en) * 2022-11-14 2023-03-31 苏州市洋基机电工程有限公司 Industrial cooling water recovery processing device
CN120740166A (en) * 2025-07-16 2025-10-03 深圳万润新能源有限公司 Composite annual cooling self-adaptive efficient energy-saving regulating system and method
CN120740166B (en) * 2025-07-16 2026-02-27 深圳万润新能源有限公司 A composite year-round cooling adaptive high-efficiency energy-saving regulation system and method

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