CN210808022U - Air conditioning unit for data center combining closed evaporative cooling and coil pipe technology - Google Patents
Air conditioning unit for data center combining closed evaporative cooling and coil pipe technology Download PDFInfo
- Publication number
- CN210808022U CN210808022U CN201921401312.8U CN201921401312U CN210808022U CN 210808022 U CN210808022 U CN 210808022U CN 201921401312 U CN201921401312 U CN 201921401312U CN 210808022 U CN210808022 U CN 210808022U
- Authority
- CN
- China
- Prior art keywords
- water
- air
- conditioning unit
- heat exchanger
- air conditioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses an air conditioning unit for data center combining closed evaporative cooling and coil pipe technology, which comprises a shell, wherein a wet channel, a dry channel and a water tank are arranged in the shell from top to bottom in sequence; the heat exchanger and the air return port are sequentially arranged at the top of the closed cold channel of the machine cabinet from bottom to top; the wet channel is connected with the heat exchanger through a water pipe G1 and a water pipe G2 and forms a closed pipeline. The air conditioning unit for the data center has the advantages that the heat exchanger is arranged on the closed cold channel of the cabinet, cold water flows through the coil pipe of the heat exchanger, the traditional air cooling is replaced by the water cooling, the better cooling effect is achieved, and the indoor occupied space is saved to a certain extent; the two-stage cooling of the return water is realized, and finally, cold water with lower temperature is obtained to cool the data center cabinet; compared with direct heat exchange and other indirect heat exchange, the indirect evaporative cooling refrigeration effect is better.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment, concretely relates to air conditioning unit for data center who combines closed evaporative cooling and coil pipe technique.
Background
With the rapid development of the internet and information industry, the world enters the big data age. According to the cooling characteristics and energy consumption characteristics of the data center, the natural cold source is adopted to cool the machine room, so that the important problems of energy conservation and emission reduction are solved.
The energy consumption of the compressor in the traditional mechanical refrigeration system accounts for the largest proportion of the total energy consumption. When the system adopts a natural cooling technology, the purposes of energy conservation and consumption reduction can be realized, so that the application in a data center is taken as a great role.
The cooling tower cooling technology is an energy-saving technology which utilizes a natural cold source in outdoor air to provide cold energy for buildings, and utilizes the cooling tower to cool cooling water to replace a mechanical refrigeration water chilling unit, thereby achieving the purpose of saving energy. In a conventional mechanical refrigeration air-conditioning system, a cooling tower mainly has the function of providing cooling water for a condenser so as to take away condensation heat, and the outlet water temperature of the cooling tower can change along with the change of outdoor meteorological parameters. Compared with the traditional mechanical refrigeration system, the cooling tower cooling technology has huge energy-saving potential and economic benefit when outdoor meteorological parameters meet the conditions. Along with the water pollution is serious, when the cooling tower supplies cold, because the efficiency of unit is influenced to the quality of water problem to lead to closed cooling tower cooling range not enough, and freeze easily winter.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a combine air conditioning unit for data center of closed evaporative cooling and coil pipe technique, when having solved current cooling tower cooling, the cooling tower cooling range is little, and the easy problem that freezes winter.
The utility model adopts the technical proposal that the air conditioning unit for the data center combining the closed evaporative cooling and the coil pipe technology comprises a shell, wherein a wet channel, a dry channel and a water tank are arranged in the shell from top to bottom in sequence;
the heat exchanger and the air return port are sequentially arranged at the top of the closed cold channel of the machine cabinet from bottom to top;
the wet channel comprises an air inlet a and an air outlet b which are positioned at two sides of the shell, and a water distributor b, a surface cooler, a closed evaporative cooling coil device and an exhaust fan b are sequentially arranged in the air inlet a according to the air flowing direction;
the top of the closed evaporative cooling coil device is provided with a water distributor a, and the shell corresponding to the top of the water distributor a is also provided with an air inlet c;
the surface cooler is connected with the heat exchanger through a water pipe G2, and the closed evaporative cooling coil device is connected with the heat exchanger through a water pipe G1;
the dry channel comprises an air inlet b and an air outlet a which are positioned at two sides of the shell, and an air filter and a filler are sequentially arranged in the air inlet b according to the air flowing direction.
The present invention is also characterized in that,
the cabinet closed cold channel comprises two rows of cavities formed by oppositely arranged cabinets, and the top of each cavity is sealed by a heat exchanger.
An air feeder is arranged in the air return opening.
The water distributor b, the water distributor a and the water tank are connected through water distribution pipes.
The water distribution pipe is sequentially provided with a water pump and an electronic water treatment instrument.
The closed evaporative cooling coil device comprises a plurality of continuous S-shaped coils a;
the heat exchanger comprises a plurality of coils b in a continuous S shape.
An exhaust fan a is arranged in the exhaust outlet a.
The filler is a GLASDek inorganic filler.
The utility model has the advantages that:
(1) the utility model discloses air conditioning unit for data center through setting up the heat exchanger on the cabinet seals cold passageway, walks cold water in the heat exchanger coil pipe, utilizes water-cooling to replace traditional forced air cooling, plays better cooling effect to save indoor occupation space to a certain extent;
(2) the utility model discloses air conditioning unit for data center combines the surface cooler spraying precooling with the indirect cooling of closed evaporative cooling coil pipe, realizes the two-stage cooling to the return water, finally obtains the lower cold water of temperature and cools down data center rack;
(3) the utility model discloses air conditioning unit for data center places cold water in surface cooler and closed evaporative cooling coil, and air and water do not carry out indirect heat transfer through pipe wall and outside of tubes water film, and for direct heat transfer and other indirect heat transfer, indirect evaporative cooling refrigeration effect is better, has avoided the easy problem that freezes in winter simultaneously;
(4) the utility model discloses air conditioning unit for data center, unit closed evaporative cooling coil device and filler layering arrange, behind the return water among the spray water cooling coil, fall to in the filler and take place direct evaporative cooling process with air direct contact, obtain the lower circulating water of temperature, realize the reciprocal cooling to return water in the coil pipe.
Drawings
Fig. 1 is a schematic structural diagram of the air conditioning unit for data center according to the present invention, which combines closed evaporative cooling and coil pipe technology.
In the figure, 1, an air inlet a, 2, a surface cooler, 3, an air inlet b, 4, an air filter, 5, a water pump, 6, an electronic water treatment device, 7, a water tank, 8, an air outlet a, 9, an exhaust fan a, 10, a filler, 11, an air outlet b, 12, an exhaust fan b, 13, a coil a, 14, a closed evaporative cooling coil device, 15, a water distributor a, 16, an air inlet c, 17, a water distributor b, 18, a cabinet, 19, a cabinet closed cold channel, 20, a coil b, 21, a heat exchanger, 22, an air return, 23, a blower, 24, a shell and 25, a water distribution pipe are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a data center air conditioning unit that combines closed evaporative cooling and coil pipe technique, as shown in fig. 1, includes a shell 24, a wet channel, a dry channel and a water tank 7 are arranged in the shell 24 from top to bottom in sequence; the air conditioner further comprises a cabinet closed cold channel 19, and a heat exchanger 21 and an air return opening 22 are sequentially arranged on the top of the cabinet closed cold channel 19 from bottom to top.
The cabinet closed cold channel 19 comprises a cavity formed by two rows of oppositely arranged cabinets 18, and the top of the cavity is sealed by a heat exchanger 21.
The return air inlet 22 is provided with a blower 23 for increasing the air flow speed.
The wet channel comprises an air inlet a1 and an air outlet b11 which are positioned at two sides of the shell 24, and a high-pressure micro-mist water distributor b17, the surface cooler 2, the closed evaporative cooling coil device 14 and an exhaust fan b12 are sequentially arranged in the air inlet a1 according to the air flowing direction;
the top of the closed evaporative cooling coil device 14 is provided with a water dropping type water distributor a15, and the shell 24 corresponding to the top of the water distributor a15 is also provided with an air inlet c 16; the water distributor b17, the water distributor a15 and the water tank 7 are all connected through a water distribution pipe 25; the water distribution pipe 25 is sequentially provided with a water pump 5 and an electronic water treatment instrument 6;
the surface cooler 2 is connected with the heat exchanger 21 through a water pipe G2, and the closed evaporative cooling coil device 14 is connected with the heat exchanger 21 through a water pipe G1.
The closed evaporative cooling coil assembly 14 includes a plurality of coils a13 in the form of a continuous "S"; the heat exchanger 21 comprises a plurality of coils b20 in a continuous S shape, and the continuous S-shaped coils can increase the flow area and accelerate the heat exchange speed.
The dry channel comprises an air inlet b3 and an air outlet a8 which are positioned at two sides of the shell 24, an air filter 4 and a filler 10 are sequentially arranged in the air inlet b3 according to the air flowing direction, and the air filter 4 adopts a coarse filter; an exhaust fan a9 is arranged in the exhaust outlet a 8. The filler 10 is a GLASdek inorganic filler.
The air inlet a1, the air inlet b3 and the air inlet c16 are all grille air openings.
(1) Circulating water system
Under the action of the water pump 5, the water distributor a15 sprays the circulating water on the surface of the closed evaporative cooling coil device 14 for cooling, then the circulating water falls into the filler 10 to generate a direct evaporative cooling process, and finally the circulating water falls back into the water tank 7 after the circulating water with lower temperature is obtained; and the other part of circulating water is atomized and sprayed on the surface of the surface air cooler 2 through the high-pressure micro-fog type water distributor b17 to pre-cool the surface air cooler 2.
(2) Cold water supply system
The backwater at the indoor tail end enters the surface cooler 2 through a water pipe G2 to be precooled, then enters the coil 13 in the closed evaporative cooling coil device 14, is subjected to sensible heat exchange and cooling through a water film coated on the pipe wall and the outside of the pipe, and is supplied to the indoor tail end to be repeatedly circulated.
The utility model discloses air conditioning unit's for data center working process as follows:
(1) wet mode of operation
Outdoor fresh air enters the unit through the air inlet a1 under the action of the exhaust fan b12, the water distributor b17 is in a high-pressure micro-mist type, air is in direct contact with water to generate a direct evaporative cooling process, and the surface cooler 2 is precooled; meanwhile, fresh air at the upper part of the unit enters the unit through the air inlet 16 and is directly contacted with circulating water sprayed by the water dripping type water distributor a15, a direct evaporative cooling isenthalpic cooling process is carried out, the surface of the closed evaporative cooling coil device 14 is cooled, and then the circulating water falls to the filler 10 below;
fresh air at the lower part of the unit enters the unit through the air inlet 3, is filtered and purified by the air filter 4, and then directly evaporates and cools with circulating water in the filler 10 to obtain circulating water with lower temperature, and the circulating water enters the water distributor a15 and the water distributor b17 under the action of the water pump 5, and the circulation is repeated.
Under this mode, the terminal return water of computer lab enters surface cooler 2 through water pipe G2 first and precools, and the coil pipe 13 that reentries in closed evaporative cooling coil device 14 cools off the back, and low temperature cold water sends the return air in the cooling computer lab to heat exchanger 21 through water pipe G1, and under the effect of forced draught blower 23, computer lab return air carries out the heat transfer through the surface of heat exchanger 21 and the cold water in the coil pipe 20, and the back air after the cooling gets into rack closed cold channel 19 and cools down to rack 18, gets into again in the data center computer lab, so circulation.
(2) Dry mode operation mode
And the water pump 5, the water distributor a15, the water distributor b17 and the fan 9 are closed, and the water in the water tank 7 is emptied, so that the problem of freezing prevention in winter is avoided.
The return water at the tail end of the machine room enters the closed evaporative cooling coil device 14 from the surface cooler 2 through the water pipe G2, outdoor low-temperature air cools the surface cooler 2 and the closed evaporative cooling coil device 14 in sequence, the heat of the return water with higher temperature in the coil is indirectly taken away, and no water is evaporated and consumed and no white fog is generated at the moment.
The utility model discloses air conditioning unit for data center is through placing heat exchanger 21 on rack seals cold channel 19, walks cold water in the heat exchanger 21 coil pipe, utilizes water-cooling to replace traditional forced air cooling, plays better cooling effect to save indoor occupation space to a certain extent; the two-stage cooling of the return water is realized, and finally, cold water with lower temperature is obtained to cool the data center cabinet; compared with direct heat exchange and other indirect heat exchange, the indirect evaporative cooling refrigeration effect is better.
Claims (8)
1. An air conditioning unit for a data center combining closed evaporative cooling and coil technology is characterized by comprising a shell (24), wherein a wet channel, a dry channel and a water tank (7) are sequentially arranged in the shell (24) from top to bottom;
the heat exchanger is characterized by further comprising a cabinet closed cold channel (19), wherein the top of the cabinet closed cold channel (19) is sequentially provided with a heat exchanger (21) and an air return opening (22) from bottom to top;
the wet channel comprises an air inlet a (1) and an air outlet b (11) which are positioned on two sides of a shell (24), and a water distributor b (17), a surface cooler (2), a closed evaporative cooling coil device (14) and an exhaust fan b (12) are sequentially arranged in the air inlet a (1) according to the air flowing direction;
a water distributor a (15) is arranged at the top of the closed evaporative cooling coil device (14), and an air inlet c (16) is also arranged on a shell (24) corresponding to the top of the water distributor a (15);
the surface cooler (2) is connected with the heat exchanger (21) through a water pipe G2, and the closed evaporative cooling coil device (14) is connected with the heat exchanger (21) through a water pipe G1;
the dry channel comprises an air inlet b (3) and an air outlet a (8) which are positioned on two sides of the shell (24), and an air filter (4) and a filler (10) are sequentially arranged in the air inlet b (3) according to the air flowing direction.
2. Air conditioning unit for data centers according to claim 1, characterized in that the cabinet enclosed cold aisle (19) comprises a cavity formed by two rows of oppositely arranged cabinets (18), the top of the cavity being sealed by a heat exchanger (21).
3. The air conditioning unit for data centers according to claim 1, wherein a blower (23) is provided in the return air opening (22).
4. The air conditioning unit for the data center according to claim 1, wherein the water distributor b (17), the water distributor a (15) and the water tank (7) are connected through a water distribution pipe (25).
5. The air conditioning unit for the data center according to claim 4, wherein a water pump (5) and an electronic water treatment instrument (6) are sequentially arranged on the water distribution pipe (25).
6. Air conditioning unit for data centers according to claim 1, characterized in that said closed evaporative cooling coil arrangement (14) comprises a plurality of coils a (13) in a continuous "S" shape;
the heat exchanger (21) comprises a plurality of coils b (20) in a continuous S shape.
7. The air conditioning unit for data center according to claim 1, wherein an exhaust fan a (9) is provided in the exhaust outlet a (8).
8. Air conditioning unit for data centers according to claim 1, characterized in that GLASdek inorganic filler is used as said filler (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921401312.8U CN210808022U (en) | 2019-08-27 | 2019-08-27 | Air conditioning unit for data center combining closed evaporative cooling and coil pipe technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921401312.8U CN210808022U (en) | 2019-08-27 | 2019-08-27 | Air conditioning unit for data center combining closed evaporative cooling and coil pipe technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210808022U true CN210808022U (en) | 2020-06-19 |
Family
ID=71229632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921401312.8U Expired - Fee Related CN210808022U (en) | 2019-08-27 | 2019-08-27 | Air conditioning unit for data center combining closed evaporative cooling and coil pipe technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210808022U (en) |
-
2019
- 2019-08-27 CN CN201921401312.8U patent/CN210808022U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205065912U (en) | Heat pipe - heat recovery type evaporative cooling air -conditioning system suitable for data center | |
| CN110769646B (en) | Energy-saving and efficient evaporative cooling air conditioning system suitable for data center | |
| CN211792609U (en) | Indirect evaporative cooling air conditioning unit for data center | |
| CN109769376B (en) | Liquid cooling system based on evaporative cooling technology | |
| CN111447787A (en) | Evaporative natural cooling air conditioning system based on data center machine room | |
| CN102353112B (en) | Packing-type recirculation compact-type evaporation cooling air-conditioning unit | |
| CN203628897U (en) | Air cooler composite refrigerating and heating air conditioning unit with direct and indirect expansion-type heat pipe | |
| CN203116206U (en) | Stand pipe type modularization evaporative cooling water chiller | |
| CN107606826B (en) | Evaporative condenser based on indirect evaporative cooling precooling of plate tube | |
| CN111140949A (en) | Indirect evaporative cooling device and method | |
| CN211345639U (en) | Air conditioning system for data center combining evaporative cooling and lithium bromide absorption refrigeration | |
| CN111295084A (en) | Indirect evaporative cooling air conditioning unit using condenser and evaporator | |
| CN212657824U (en) | Air conditioning system for secondary refrigeration data center | |
| CN110762909B (en) | Evaporation type condenser based on dew point indirect evaporation cooling precooling | |
| CN209840328U (en) | Double-cold evaporative cooling-condensation integrated air conditioning unit for data center machine room | |
| CN110753479B (en) | Photovoltaic direct-drive dew point indirect evaporative cooling air conditioning system for data center | |
| CN110636744A (en) | Closed evaporative cooling cold water system for data center | |
| CN210808022U (en) | Air conditioning unit for data center combining closed evaporative cooling and coil pipe technology | |
| CN202033206U (en) | Fresh air heat recovery experiment device utilizing evaporative cooling | |
| CN212644835U (en) | Filler coupling type evaporation and condensation water chilling unit with finned tube precooling | |
| CN211745085U (en) | Evaporative natural cooling air-conditioning system coupled with data center building | |
| CN201852230U (en) | Evaporative cooling air-conditioning device combining cold storage and night radiation cooling | |
| CN210463393U (en) | Indirect evaporative cooling and mechanical refrigeration combined air conditioning unit suitable for data center | |
| CN212649987U (en) | Evaporative cooling air conditioning unit for integrated heat dissipation of outdoor large screen | |
| CN211345649U (en) | Photovoltaic direct-drive dew point indirect evaporative cooling air conditioning system for data center |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20210827 |