CN203907861U - Air-conditioner cold source system for data center in severe cold region - Google Patents
Air-conditioner cold source system for data center in severe cold region Download PDFInfo
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- CN203907861U CN203907861U CN201420334368.7U CN201420334368U CN203907861U CN 203907861 U CN203907861 U CN 203907861U CN 201420334368 U CN201420334368 U CN 201420334368U CN 203907861 U CN203907861 U CN 203907861U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 238000001816 cooling Methods 0.000 claims abstract description 68
- 239000000498 cooling water Substances 0.000 claims abstract description 67
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 21
- 238000004378 air conditioning Methods 0.000 claims description 18
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 239000003643 water by type Substances 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an air-conditioner cold source system for a data center in a severe cold region. The air-conditioner cold source system comprises at least two water-cooled centrifugal water chilling units, at least two cooling towers and at least one automatic constant pressure water replenishing system of a cooling water system, wherein one end of each of the at least two cooling towers is connected with one end of each of the at least two water-cooled centrifugal water chilling units through a cooling water pipeline; the at least one automatic constant pressure water replenishing system of the cooling water system is connected to the other end of each of the at least two cooling towers by the cooling water pipeline; the automatic constant pressure water replenishing system of the cooling water system is connected to a cooling water transporting pipe; the other end of each cooling tower is connected to the cooling water transporting pipe through the cooling water pipeline; the other end of each of the at least two water-cooled centrifugal water chilling units is connected to one end of each of at least two plate type heat exchangers through the cooling water pipeline; the other end of each of the at least two plate type heat exchangers is connected to a connected part between the other end of each of the at least two cooling towers and the cooling water transporting pipe through the cooling water pipeline; at least two cooling water pumps are respectively arranged in the cooling water pipelines between the at least two plate type heat exchangers and the at least two cooling towers.
Description
Technical field
The utility model relates to a kind of data center air-conditioning system, relates in particular to a kind of data center's air-conditioning system that is applicable to severe cold area.
Background technology
In prior art, severe cold area data center air-conditioning system often adopts air-cooled system, and such as adopting the free cooling Worm type air-cooled handpiece Water Chilling Units of band, this is because worry to adopt the system of water-cooled can bring icing problem.
But because data center's scale is increasing, the unit number of units needing is more and more, and the COP of air-cooled unit (Energy Efficiency Ratio) is low compared with water chiller, thereby air-cooled type air conditioning system is more and more difficult to meet the demand of severe cold area data center.
Therefore, provide a kind of and can become urgent problem in the industry in data center's cold source of air conditioning supply system of severe cold area safe operation.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of severe cold area data center cold source of air conditioning system, and it adopts the water-cooled centrifugal refrigerating machines that COP is high, and unit number of units is few, and refrigeration station floor space is little, more energy-conservation.
According to the utility model, a kind of severe cold area data center cold source of air conditioning system is provided, comprise at least two water-cooled centrifugal refrigerating machines, at least two plate type heat exchangers, respectively by respective lines and at least two water-cooled centrifugal refrigerating machines and at least two chilled water system and cooling water systems that plate type heat exchanger is connected, wherein: cooling water system comprises at least two cooling towers and at least one cooling water system automatic setting pressure water make-up arrangement, wherein, one end of chilled(cooling) water return (CWR) in each cooling tower at least two cooling towers is connected in one end of the chilled(cooling) water return (CWR) in the each water-cooled centrifugal refrigerating machines at least two water-cooled centrifugal refrigerating machines by cooling water pipeline correspondence, the other end of the chilled(cooling) water return (CWR) in the each water-cooled centrifugal refrigerating machines at least two water-cooled centrifugal refrigerating machines is connected to one end of the chilled(cooling) water return (CWR) in the each plate type heat exchanger at least two plate type heat exchangers by cooling water pipeline, the other end of the chilled(cooling) water return (CWR) in the each plate type heat exchanger at least two plate type heat exchangers is connected to the other end of the chilled(cooling) water return (CWR) in the each cooling tower at least two cooling towers by cooling water pipeline, wherein, cooling water system automatic setting pressure water make-up arrangement is connected to the cooling water pipeline between the other end of the chilled(cooling) water return (CWR) in the other end and corresponding each cooling tower of the chilled(cooling) water return (CWR) in each plate type heat exchanger by least two branched pipes on cooling water carrier pipe.
Preferably, at least one cooling water system automatic setting pressure water make-up arrangement, can comprise ethylene glycol solution water tank.
Preferably, at least two cooling water pumps can be separately positioned in the cooling water pipeline between at least two plate type heat exchangers and at least two cooling towers.
Selectively, may further include at least two Full-automatic agent-feeding devices is separately positioned in the cooling water pipeline between at least two plate type heat exchangers and at least two cooling towers and is respectively adjacent to each cooling water pump setting.
Preferably, chilled water system can comprise cold-storage tank, at least one chilled water system automatic setting pressure water make-up arrangement and chilled water house steward, wherein, cold-storage tank is connected in chilled water house steward by chilled water pipeline, at least one chilled water system automatic setting pressure water make-up arrangement is connected in chilled water house steward by chilled water pipeline, one end of chilled water circuit in each water-cooled centrifugal refrigerating machines at least two water-cooled centrifugal refrigerating machines is connected in chilled water house steward by chilled water pipeline respectively, the other end of the chilled water circuit in the each water-cooled centrifugal refrigerating machines at least two water-cooled centrifugal refrigerating machines is connected in respectively one end of the chilled water circuit in the each plate type heat exchanger at least two plate type heat exchangers by chilled water pipeline correspondence, the other end of the chilled water circuit in the each plate type heat exchanger at least two plate type heat exchangers is connected to chilled water house steward by chilled water pipeline.
Selectively, chilled water system further can comprise that pump of at least two chilled waters is separately positioned in the chilled water pipeline between the other end and the chilled water house steward of the chilled water circuit in the each plate type heat exchanger at least two plate type heat exchangers.
Selectively, chilled water system further can comprise that at least two chilled water secondary pumps are connected to chilled water house steward.
The beneficial effects of the utility model are: cold source system unit number of units of the present utility model is few, and floor space is little, more energy-conservation, and can be in severe cold area safe operation.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the schematic block diagram of chilled water system of the present utility model.
Fig. 2 is the schematic block diagram of cooling water system of the present utility model.
Detailed description of the invention
The utility model proposes a kind of severe cold area data center cold source of air conditioning system, comprise at least two water-cooled centrifugal refrigerating machines 300, at least two plate type heat exchangers 400, chilled water system and cooling water systems.
Wherein, chilled water system comprises cold-storage tank 100, at least one chilled water system automatic setting pressure water make-up arrangement 200 and chilled water house steward 500, wherein, cold-storage tank 100 is connected in chilled water house steward 500 by chilled water pipeline, at least one chilled water system automatic setting pressure water make-up arrangement 200 is connected in chilled water house steward 500 by chilled water pipeline, one end of chilled water circuit in each water-cooled centrifugal refrigerating machines 300 at least two water-cooled centrifugal refrigerating machines 300 is connected in chilled water house steward 500 by chilled water pipeline respectively, the other end of the chilled water circuit in the each water-cooled centrifugal refrigerating machines 300 at least two water-cooled centrifugal refrigerating machines 300 is connected in respectively one end of the chilled water circuit in the each plate type heat exchanger 400 at least two plate type heat exchangers 400 by chilled water pipeline correspondence, the other end of the chilled water circuit in the each plate type heat exchanger 400 at least two plate type heat exchangers 400 is connected to chilled water house steward 500 by chilled water pipeline.
Selectively, chilled water system further comprises that pump 600 of at least two chilled waters is separately positioned in the chilled water pipeline between the other end and the chilled water house steward 500 of the chilled water circuit in the each plate type heat exchanger 400 at least two plate type heat exchangers 400.
Selectively, chilled water system further comprises that at least two chilled water secondary pumps 700 are connected to chilled water house steward 500.
Wherein, cooling water system comprises at least two cooling towers 800 and at least one cooling water system automatic setting pressure water make-up arrangement 900, wherein, one end of chilled(cooling) water return (CWR) in each cooling tower 800 at least two cooling towers 800 is connected in one end of the chilled(cooling) water return (CWR) in the each water-cooled centrifugal refrigerating machines 300 at least two water-cooled centrifugal refrigerating machines 300 by cooling water pipeline correspondence, the other end of the chilled(cooling) water return (CWR) in the each water-cooled centrifugal refrigerating machines 300 at least two water-cooled centrifugal refrigerating machines 300 is connected to one end of the chilled(cooling) water return (CWR) in the each plate type heat exchanger 400 at least two plate type heat exchangers 400 by cooling water pipeline, the other end of the chilled(cooling) water return (CWR) in the each plate type heat exchanger 400 at least two plate type heat exchangers 400 is connected to the other end of the chilled(cooling) water return (CWR) in the each cooling tower 800 at least two cooling towers 800 by cooling water pipeline, wherein, cooling water system automatic setting pressure water make-up arrangement 900 is connected to the cooling water pipeline between the other end of the chilled(cooling) water return (CWR) in the other end and corresponding each cooling tower 800 of the chilled(cooling) water return (CWR) in each plate type heat exchanger 400 by least two branched pipes 955 on cooling water carrier pipe 950.
Preferably, at least one cooling water system automatic setting pressure water make-up arrangement 900 comprises ethylene glycol solution water tank 960.
Preferably, at least two cooling water pumps 850 are separately positioned in the cooling water pipeline between at least two plate type heat exchangers 400 and at least two cooling towers 800.
Selectively, further comprising that at least two Full-automatic agent-feeding devices 870 are separately positioned in the cooling water pipeline between at least two plate type heat exchangers 400 and at least two cooling towers 800 and are respectively adjacent to each cooling water pump 850 arranges.
Selectively, further comprise the normally closed cooling water pipeline 810,820 being arranged between adjacent two water-cooled centrifugal refrigerating machines 300, they in the winter time freely cooling and adjacent two water-cooled centrifugal refrigerating machines 300 wherein one open time for subsequent use.
As a kind of non-limiting example embodiment, as depicted in figs. 1 and 2, severe cold area of the present utility model data center cold source of air conditioning system comprises four water-cooled centrifugal refrigerating machines 300 and four plate type heat exchangers 400.Wherein, chilled water system comprises a cold-storage tank 100, two chilled water system automatic setting pressure water make-up arrangements 200, four pumps 600 of chilled water and four chilled water secondary pumps 700.Wherein, cooling water system comprises four cooling towers 800 and two cooling water system automatic setting pressure water make-up arrangements 900 that are connected with cooling water carrier pipe 950 respectively, and corresponding four cooling water pumps 850 and four Full-automatic agent-feeding devices 870.
As a kind of alternate embodiments, a kind of severe cold area data center cold source of air conditioning system is also provided, for example, and warm refrigeration duty 10000kW (2844RT) in data center, it is warm chilled water in data center's supply that water-cooled centrifugal refrigerating machines is set.Because machine room consumption cold is large and need all-year-around cooling, consider that rack installs by stages simultaneously, design adopts the water-cooled centrifugal refrigerating machines 3+1 platform of 1150RT (4043kW).In order to realize the maximum energy-saving effect of system, the plate type heat exchanger of every corresponding supporting 1 1.5 degree temperature difference of handpiece Water Chilling Units, the cooling and freely cooling use of part as complete freedom, cooling tower adopts closed cooling tower.The design's chilled water system adopts secondary pump system, pump of chilled water and cooling water pump and handpiece Water Chilling Units corresponding layout one by one, and chilled water secondary pump is variable frequency pump.
As a kind of alternate embodiments, the main of chilled water supply system is looping network, the normal operation of system when bonding point failure.Data center is long-term refrigeration duty, throughout the year must cooling, for ensureing the cooling reliability of chilled water system, prevent that power failure suddenly or mechanical disorder from causing refrigeration discontinuity events, system is on backwater loop, cold-storage tank being set, chilled water secondary pump is worn ups power, the continuous cooling to machine room while restarting to realize unexpected power failure handpiece Water Chilling Units.Cooling water pipeline is single tube system, and cooling water need adopt according to different environment temperatures the ethylene glycol solution of debita spissitudo.
As a kind of alternate embodiments, regard the valve cooling water pipeline composition between refrigerator, chilled water pump, cooling water pump, cooling tower and an above equipment as an overall refrigeration unit, every cover refrigeration unit adopts refrigeration, precooling, free cooling three kinds of mode operations.Cooling water pipeline adopts single tube system.Winter, cooling tower for subsequent use participated in operation, to solve antifreeze problem.
Although described preferred embodiment of the present utility model in detail at this, but should be understood that the utility model is not limited to the concrete structure of describing in detail and illustrating here, in the situation that not departing from essence of the present utility model and scope, can be realized by those skilled in the art other modification and variant.
Claims (7)
1. a severe cold area data center cold source of air conditioning system, comprise at least two water-cooled centrifugal refrigerating machines, at least two plate type heat exchangers, the chilled water system and the cooling water system that are connected with described at least two water-cooled centrifugal refrigerating machines and described at least two plate type heat exchangers by respective lines respectively, it is characterized in that: described cooling water system comprises at least two cooling towers and at least one cooling water system automatic setting pressure water make-up arrangement, wherein, one end of chilled(cooling) water return (CWR) in each water-cooled centrifugal refrigerating machines described in one end of chilled(cooling) water return (CWR) in each cooling tower in described at least two cooling towers is connected in by cooling water pipeline correspondence at least two water-cooled centrifugal refrigerating machines, one end of chilled(cooling) water return (CWR) in each plate type heat exchanger described in the other end of the chilled(cooling) water return (CWR) in the each water-cooled centrifugal refrigerating machines in described at least two water-cooled centrifugal refrigerating machines is connected to by cooling water pipeline at least two plate type heat exchangers, the other end of the chilled(cooling) water return (CWR) in the each cooling tower described in the other end of the chilled(cooling) water return (CWR) in the each plate type heat exchanger in described at least two plate type heat exchangers is connected to by cooling water pipeline at least two cooling towers, wherein, described cooling water system automatic setting pressure water make-up arrangement is connected to the cooling water pipeline between the other end of the chilled(cooling) water return (CWR) in the other end and corresponding each cooling tower of the chilled(cooling) water return (CWR) in each plate type heat exchanger by least two branched pipes on cooling water carrier pipe.
2. severe cold area as claimed in claim 1 data center cold source of air conditioning system, is characterized in that, described at least one cooling water system automatic setting pressure water make-up arrangement comprises ethylene glycol solution water tank.
3. severe cold area as claimed in claim 2 data center cold source of air conditioning system, is characterized in that, in the cooling water pipeline described at least two cooling water pumps are separately positioned between at least two plate type heat exchangers and described at least two cooling towers.
4. severe cold area as claimed in claim 3 data center cold source of air conditioning system, it is characterized in that, further comprise at least two Full-automatic agent-feeding devices be separately positioned on described in cooling water pipeline between at least two plate type heat exchangers and described at least two cooling towers and be respectively adjacent to each described cooling water pump setting.
5. the severe cold area data center cold source of air conditioning system as described in any one in claim 1-4, it is characterized in that, described chilled water system comprises cold-storage tank, at least one chilled water system automatic setting pressure water make-up arrangement and chilled water house steward, wherein, described cold-storage tank is connected in described chilled water house steward by chilled water pipeline, described at least one chilled water system automatic setting pressure water make-up arrangement is connected in described chilled water house steward by chilled water pipeline, one end of chilled water circuit in each water-cooled centrifugal refrigerating machines in described at least two water-cooled centrifugal refrigerating machines is connected in described chilled water house steward by chilled water pipeline respectively, one end of chilled water circuit in each plate type heat exchanger described in the other end of the chilled water circuit in the each water-cooled centrifugal refrigerating machines in described at least two water-cooled centrifugal refrigerating machines is connected in by chilled water pipeline correspondence respectively at least two plate type heat exchangers, the other end of the chilled water circuit in the each plate type heat exchanger in described at least two plate type heat exchangers is connected to described chilled water house steward by chilled water pipeline.
6. severe cold area as claimed in claim 5 data center cold source of air conditioning system, it is characterized in that, described chilled water system further comprise pump of at least two chilled waters be separately positioned on described in chilled water pipeline between the other end and the described chilled water house steward of chilled water circuit in each plate type heat exchanger at least two plate type heat exchangers.
7. severe cold area as claimed in claim 6 data center cold source of air conditioning system, is characterized in that, described chilled water system further comprises that at least two chilled water secondary pumps are connected to described chilled water house steward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420334368.7U CN203907861U (en) | 2014-06-23 | 2014-06-23 | Air-conditioner cold source system for data center in severe cold region |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420334368.7U CN203907861U (en) | 2014-06-23 | 2014-06-23 | Air-conditioner cold source system for data center in severe cold region |
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| CN203907861U true CN203907861U (en) | 2014-10-29 |
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| CN201420334368.7U Active CN203907861U (en) | 2014-06-23 | 2014-06-23 | Air-conditioner cold source system for data center in severe cold region |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374018A (en) * | 2014-12-03 | 2015-02-25 | 郭祥 | Concentrated and efficient water cooling energy-saving system of data center |
| CN105042734A (en) * | 2015-06-08 | 2015-11-11 | 大连国霖技术有限公司 | Natural cooling unit applied to refrigerating system of data center |
| TWI620909B (en) * | 2017-08-22 | 2018-04-11 | 誼昌空調工程有限公司 | Cooling water system |
| CN112856612A (en) * | 2021-01-07 | 2021-05-28 | 丁一 | Air conditioner cold source system |
-
2014
- 2014-06-23 CN CN201420334368.7U patent/CN203907861U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374018A (en) * | 2014-12-03 | 2015-02-25 | 郭祥 | Concentrated and efficient water cooling energy-saving system of data center |
| CN105042734A (en) * | 2015-06-08 | 2015-11-11 | 大连国霖技术有限公司 | Natural cooling unit applied to refrigerating system of data center |
| CN105042734B (en) * | 2015-06-08 | 2018-01-05 | 大连国霖技术有限公司 | A kind of natural cooling unit applied to data center's refrigeration system |
| TWI620909B (en) * | 2017-08-22 | 2018-04-11 | 誼昌空調工程有限公司 | Cooling water system |
| CN112856612A (en) * | 2021-01-07 | 2021-05-28 | 丁一 | Air conditioner cold source system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Linglong Tiandi building, NO.160, North West Fourth Ring Road, Haidian District, Beijing, 100142 Patentee after: CHINA ELECTRONICS ENGINEERING DESIGN INSTITUTE Co.,Ltd. Address before: Linglong Tiandi building, NO.160, North West Fourth Ring Road, Haidian District, Beijing, 100142 Patentee before: CHINA ELECTRONICS ENGINEERING DESIGN INSTITUE |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: Linglong Tiandi building, NO.160, North West Fourth Ring Road, Haidian District, Beijing, 100142 Patentee after: China Electronics Engineering Design Institute Co.,Ltd. Country or region after: China Address before: Linglong Tiandi building, NO.160, North West Fourth Ring Road, Haidian District, Beijing, 100142 Patentee before: CHINA ELECTRONICS ENGINEERING DESIGN INSTITUTE Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |