CN210089032U - Air conditioning system combining mechanical refrigeration and water side evaporative cooling technology - Google Patents
Air conditioning system combining mechanical refrigeration and water side evaporative cooling technology Download PDFInfo
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- CN210089032U CN210089032U CN201920608568.XU CN201920608568U CN210089032U CN 210089032 U CN210089032 U CN 210089032U CN 201920608568 U CN201920608568 U CN 201920608568U CN 210089032 U CN210089032 U CN 210089032U
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Abstract
The utility model discloses an air conditioning system combining mechanical refrigeration and water side evaporative cooling technology, which comprises an indirect evaporative cooling water chilling unit, wherein the indirect evaporative cooling water chilling unit is connected with a plate heat exchanger through a circulating water pipe A and forms a closed pipe loop; the plate heat exchanger is sequentially connected with the air-cooled water chilling unit and the tail end of the air conditioner through a circulating water pipe B to form a closed pipe loop; and the circulating water pipe B is also provided with a circulating water pipe C, and the circulating water pipe C is connected with an indirect evaporative cooling water chilling unit. The utility model discloses air conditioning system to different seasons, adopts different operational mode, and make full use of water side evaporative cooling technique and ethylene glycol natural cooling technique reduce data center operating cost all the year around, and it is low to use the energy consumption, guarantees that whole refrigerating system can stably be the data computer lab cooling all the year around, has fine practical value.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment, concretely relates to combine air conditioning system of mechanical refrigeration and water side evaporative cooling technique.
Background
In recent years, high energy consumption of a cooling system of a data center becomes a hot spot problem in the heating, ventilating and air conditioning industry. Data center cooling systems often use different compression refrigeration units, but the focus of energy consumption is on the compressors, particularly for data centers that need to operate all year round. Therefore, the industry explores many new energy-saving schemes, such as natural cooling schemes of starting a fluorine pump cycle in winter, starting a cooling tower operation mode in transition seasons and the like, which are mostly limited by natural cooling time and have limited energy-saving capability all the year around.
In the initial design stage of a traditional data center cooling system, the local environment design working condition is taken as the primary position, and the safe and stable operation of the data center is ensured by the purposes of meeting the extreme working condition through equipment model selection and system arrangement. Under the background of energy saving of the data center, the year-round high energy consumption link of a refrigeration system is fully considered, a natural cooling mode with wider application range is developed, and mechanical refrigeration is used for assisting refrigeration under extreme working conditions so as to ensure the safe operation of the data set center.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a combine air conditioning system of mechanical refrigeration and water side evaporative cooling technique has solved the problem that current data center cooling system energy consumption and maintenance cost are high.
The technical scheme adopted by the utility model is that the air conditioning system combining the mechanical refrigeration and the water side evaporative cooling technology comprises an indirect evaporative cooling water chilling unit, wherein the indirect evaporative cooling water chilling unit is connected with a plate heat exchanger through a circulating water pipe A and forms a closed pipe loop; the plate heat exchanger is sequentially connected with the air-cooled water chilling unit and the tail end of the air conditioner through a circulating water pipe B to form a closed pipe loop; the circulating water pipe B is also provided with a circulating water pipe C which is connected with an indirect evaporative cooling water chilling unit;
the indirect evaporative cooling water chilling unit comprises a shell, wherein a packed tower is arranged in the center of the shell, the internal structures of the shell on the left side and the right side of the packed tower are symmetrical and the same, and an air inlet, an air filter, a surface cooler and an indirect evaporative cooling unit are sequentially arranged in the air flowing direction; an air outlet A is arranged on the shell corresponding to the indirect evaporative cooling unit;
the circulating water pipe B is provided with a valve C and a circulating water pump B and is used for regulating and controlling the opening and closing of a pipeline flowing into the plate heat exchanger; and the circulating water pipe B is also provided with a valve A and a valve B which are used for regulating and controlling the opening and closing of a pipeline flowing into the air-cooled water chilling unit.
The utility model is also characterized in that,
the indirect evaporative cooling unit comprises an indirect evaporative cooler, a circulating water tank A is arranged at the bottom of the indirect evaporative cooler, and a spraying unit, a water baffle A and a fan A are sequentially arranged at the top of the indirect evaporative cooler from bottom to top;
the spraying unit is connected with the circulating water tank A through a spraying pipe;
the fan A is positioned in the air outlet A.
And a circulating water pump C is arranged on the spray pipe.
The packed tower comprises a circulating water tank B, and a filler, a water baffle B, a fan B and an air outlet B are sequentially arranged on the top of the circulating water tank B from bottom to top.
The circulating water pipe A comprises a unit water supply pipe and a unit water return pipe;
one end of the unit water supply pipe is connected with the circulating water tank B, and the other end of the unit water supply pipe is connected with the plate heat exchanger;
one end of the unit water return pipe is connected with the plate heat exchanger, and the other end of the unit water return pipe extends into a space between the filler and the water baffle B.
And a circulating water pump A is arranged on the water return pipe of the unit.
Circulating water pipe C is connected with the surface cooler, is provided with valve D and valve E on the circulating water pipe C, and valve D regulates and control the pipeline that flows in the surface cooler and open and shut, and valve E regulates and control the pipeline that flows out the surface cooler and open and shut.
The utility model has the advantages that:
(1) the air conditioning system of the utility model adopts the indirect evaporative cooling mode of internal and external cooling, and has low water outlet temperature, strong refrigerating capacity and low energy consumption;
(2) the air conditioning system of the utility model adopts a natural cooling mode, evaporative cooling or ethylene glycol free cooling in most of the whole year when in use, and the actual operating cost is low;
(3) the utility model discloses an air conditioning system, wherein the medium in circulating water pipe B and circulating water pipe C is ethylene glycol solution, can switch into ethylene glycol free cooling mode winter in cold area, avoid winter the water pipe problem of freezing;
(4) in the air conditioning system of the utility model, under the working condition in summer, the mechanical refrigeration water chilling unit can further reduce the cooling liquid in the circulating water pipe B to make up the deficiency of the indirect evaporative cooling water chilling unit; all units are connected through pipelines, so that the connection mode is simple, and the number of applicable areas is large.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioning system combining mechanical refrigeration and water-side evaporative cooling techniques according to the present invention;
fig. 2 is a schematic structural diagram of the indirect evaporative cooling water chilling unit of the air conditioning system of the present invention.
In the figure, 1, a valve A, 2, an air-cooled water chiller, 3, a valve B, 4, a valve E, 5, a valve C, 6, an air conditioner terminal, 7, a circulating water pump B, 8, a valve D, 9, a circulating water pipe C, 10, an indirect evaporative cooling water chiller, 11, a circulating water pipe A, 12, a circulating water pump A, 13, a plate heat exchanger, 14, a circulating water pipe B, 15, an air filter, 16, a surface cooler, 17, an indirect evaporative cooler, 18, a filler tower, 19, a unit water return pipe, 20, a unit water supply pipe, 21, a shell, 22, a circulating water tank A, 23, a water baffle A, 24, an air inlet, 25, a fan A, 26, a spray pipe, 27, an air outlet A, 28, a circulating water pump C, 29, a circulating water tank B, 30, a filler, 31, a water baffle B, 32, a fan B, 33 and an air outlet B.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to an air conditioning system combining mechanical refrigeration and water side evaporative cooling technology, as shown in figure 1, comprising an indirect evaporative cooling water chilling unit 10, wherein the indirect evaporative cooling water chilling unit 10 is connected with a plate heat exchanger 13 through a circulating water pipe A11 and forms a closed pipe loop; the plate heat exchanger 13 is sequentially connected with the air-cooled water chilling unit 2 and the air conditioner tail end 6 through a circulating water pipe B14 to form a closed pipe loop; the circulating water pipe B14 is also provided with a circulating water pipe C9, and the circulating water pipe C9 is connected with the indirect evaporative cooling water chilling unit 10.
As shown in fig. 2, the indirect evaporative cooling water chilling unit 10 includes a housing 21, a packed tower 18 is disposed in the center of the housing 21, the internal structures of the housing 21 on the left and right sides of the packed tower 18 are symmetrical and the same, and an air inlet 24, an air filter 15, a surface air cooler 16 and an indirect evaporative cooling unit are sequentially disposed in the air flowing direction; an air outlet A27 is arranged on the shell 21 corresponding to the indirect evaporative cooling unit.
The indirect evaporative cooling unit comprises an indirect evaporative cooler 17, a circulating water tank A22 is arranged at the bottom of the indirect evaporative cooler 17, and a spraying unit, a water baffle A23 and a fan A25 are sequentially arranged at the top of the indirect evaporative cooler 17 from bottom to top; the spraying unit comprises a spraying pipe 26, a plurality of nozzles are arranged on the part of the spraying pipe 26, which is positioned on the top plate of the indirect evaporative cooler 17, and the nozzles spray circulating water towards the indirect evaporative cooler 17.
The spraying unit is connected with the circulating water tank A22 through a spraying pipe 26;
the fan A25 is positioned in the air outlet A27.
The spray pipe 26 is provided with a circulating water pump C28, and the circulating water pump C28 provides power.
The packed tower 18 comprises a circulating water tank B29, and a packing 30, a water baffle B31, a fan B32 and an air outlet B33 are sequentially arranged on the top of the circulating water tank B29 from bottom to top.
The circulating water pipe A11 comprises a unit water supply pipe 20 and a unit water return pipe 19;
one end of the unit water supply pipe 20 is connected with the circulating water tank B29, and the other end of the unit water supply pipe 20 is connected with the plate heat exchanger 13;
one end of the unit water return pipe 19 is connected with the plate heat exchanger 13, and the other end of the unit water return pipe 19 extends into a space between the filler 30 and the water baffle B31.
And a circulating water pump A12 is arranged on the unit water return pipe 19.
Circulating water pipe C9 is connected with surface cooler 16, is provided with valve D8 and valve E4 on circulating water pipe C9, and valve D8 regulates and controls the pipeline that flows into surface cooler 16 and open and shut, and valve E4 regulates and controls the pipeline that flows out of surface cooler 16 and open and shut.
The circulating water pipe B14 is provided with a valve C5 and a circulating water pump B7 for regulating and controlling the opening and closing of a pipeline flowing into the plate heat exchanger 13.
The circulating water pipe B14 is also provided with a valve A1 and a valve B3 for regulating and controlling the opening and closing of a pipeline flowing into the air-cooled water chilling unit 2.
The utility model discloses air conditioning system's working process can divide into three kinds, specifically as follows:
the first, water side evaporative cooling mode (applicable seasons: spring, summer and autumn)
First, valve B3 and valve D8 were opened, and valve a1, valve C5 and valve E4 were closed.
And starting a circulating water pump B7, enabling return water flowing out of the air conditioner tail end 6 to enter the surface air cooler 16 through a circulating water pipe C9, performing heat exchange, enabling the return water to enter a return water pipe of a circulating water pipe B14, cooling by a plate heat exchanger 13, and introducing into the air conditioner tail end 6.
The indirect evaporative cooling water chilling unit is started, outdoor fresh air is subjected to wet cooling such as impurity filtering through the air inlet 24, the air filter 15, the surface air cooler 16 and the indirect evaporative cooler 17 in sequence, cold air enters the filler tower 18 to exchange heat and humidity with return water sprayed from the unit water return pipe 19, and finally cold water prepared by the indirect evaporative cooling water chilling unit is sent into the plate heat exchanger 13 through the unit water supply pipe 20.
Second, auxiliary mechanical refrigeration mode (for summer extreme working condition)
First, valve a1, valve C5 were opened, valve B3, valve D8 and valve E4 were closed.
At this time, the circulating water pump B7 is started, the return water flowing out of the air conditioner terminal 6 enters the plate heat exchanger 13 through the return pipe of the circulating water pipe B14 to be cooled, then enters the air-cooled water chilling unit 2 through the water supply pipe of the circulating water pipe B14 to be further cooled, and finally enters the air conditioner terminal 6.
And (3) closing the surface cooler 16 of the indirect evaporative cooling water chilling unit, filtering outdoor fresh air through an air filter 15, carrying out wet cooling on the outdoor fresh air through an indirect evaporative cooler 17 and the like, then, allowing cold air to enter a filler tower 18 to exchange heat and humidity with return water sprayed from a water return pipe 19 of the unit, and finally, feeding cold water prepared by the indirect evaporative cooling water chilling unit into the plate heat exchanger 13 through a water supply pipe 20 of the unit.
Third, ethylene glycol free cooling mode (winter)
First, valve D8, valve E4 were opened, valve a1, valve B3, valve C5 were closed.
The circulating water pump B7 is started, and the return water from the air conditioner terminal 6 is supplied to the surface air cooler 16 through the return pipe of the circulating water pipe C9 and then supplied to the air conditioner terminal 6 through the supply pipe of the circulating water pipe C9.
The indirect evaporative cooling water chilling unit only starts the surface air cooler 16 and the fan B32, and the outdoor cold air naturally cools the internal circulating cooling liquid through the surface air cooler 16.
The utility model discloses air conditioning system to different seasons, adopts different operational mode, and make full use of water side evaporative cooling technique and ethylene glycol natural cooling technique reduce data center operating cost all the year around, and it is low to use the energy consumption, guarantees that whole refrigerating system can stably be the data computer lab cooling all the year around, has fine practical value.
Claims (7)
1. An air conditioning system combining mechanical refrigeration and water side evaporative cooling technology is characterized by comprising an indirect evaporative cooling water chilling unit (10), wherein the indirect evaporative cooling water chilling unit (10) is connected with a plate heat exchanger (13) through a circulating water pipe A (11) and forms a closed pipe loop; the plate heat exchanger (13) is sequentially connected with the air-cooled water chilling unit (2) and the air conditioner tail end (6) through a circulating water pipe B (14) to form a closed pipe loop; a circulating water pipe C (9) is also arranged on the circulating water pipe B (14), and the circulating water pipe C (9) is connected with an indirect evaporative cooling water chilling unit (10);
the indirect evaporative cooling water chilling unit (10) comprises a shell (21), wherein a packed tower (18) is arranged in the center of the shell (21), the inner structures of the shell (21) on the left side and the right side of the packed tower (18) are symmetrical and the same, and an air inlet (24), an air filter (15), a surface air cooler (16) and an indirect evaporative cooling unit are sequentially arranged in the air flowing direction; an air outlet A (27) is arranged on the shell (21) corresponding to the indirect evaporative cooling unit;
a valve C (5) and a circulating water pump B (7) are arranged on the circulating water pipe B (14) and used for regulating and controlling the opening and closing of a pipeline flowing into the plate heat exchanger (13); and the circulating water pipe B (14) is also provided with a valve A (1) and a valve B (3) for regulating and controlling the opening and closing of a pipeline flowing into the air-cooled water chilling unit (2).
2. The air conditioning system as claimed in claim 1, wherein the indirect evaporative cooling unit comprises an indirect evaporative cooler (17), a circulating water tank A (22) is arranged at the bottom of the indirect evaporative cooler (17), and a spraying unit, a water baffle A (23) and a fan A (25) are sequentially arranged at the top of the indirect evaporative cooler (17) from bottom to top;
the spraying unit is connected with the circulating water tank A (22) through a spraying pipe (26);
the fan A (25) is positioned in the air outlet A (27).
3. Air conditioning system according to claim 2, characterized in that a circulating water pump C (28) is provided on the shower pipe (26).
4. Air conditioning system according to claim 1, characterized in that the packed tower (18) comprises a circulation water tank B (29), and the top of the circulation water tank B (29) is provided with a packing (30), a water baffle B (31), a fan B (32) and an air outlet B (33) in sequence from bottom to top.
5. The air conditioning system as claimed in claim 4, wherein the circulation water pipe A (11) includes a unit water supply pipe (20) and a unit water return pipe (19);
one end of the unit water supply pipe (20) is connected with a circulating water tank B (29), and the other end of the unit water supply pipe (20) is connected with the plate heat exchanger (13);
plate heat exchanger (13) is connected to unit wet return (19) one end, unit wet return (19) other end stretches into between filler (30) and breakwater B (31).
6. Air conditioning system according to claim 5, characterized in that a circulating water pump A (12) is arranged on the unit water return (19).
7. The air conditioning system according to claim 1, wherein the circulating water pipe C (9) is connected to the surface air cooler (16), the circulating water pipe C (9) is provided with a valve D (8) and a valve E (4), the valve D (8) regulates and controls the opening and closing of a pipeline flowing into the surface air cooler (16), and the valve E (4) regulates and controls the opening and closing of a pipeline flowing out of the surface air cooler (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920608568.XU CN210089032U (en) | 2019-04-29 | 2019-04-29 | Air conditioning system combining mechanical refrigeration and water side evaporative cooling technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920608568.XU CN210089032U (en) | 2019-04-29 | 2019-04-29 | Air conditioning system combining mechanical refrigeration and water side evaporative cooling technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210089032U true CN210089032U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920608568.XU Expired - Fee Related CN210089032U (en) | 2019-04-29 | 2019-04-29 | Air conditioning system combining mechanical refrigeration and water side evaporative cooling technology |
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| CN (1) | CN210089032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587497A (en) * | 2021-07-12 | 2021-11-02 | 浙江国祥股份有限公司 | Double-cooling composite efficient evaporative condenser |
-
2019
- 2019-04-29 CN CN201920608568.XU patent/CN210089032U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587497A (en) * | 2021-07-12 | 2021-11-02 | 浙江国祥股份有限公司 | Double-cooling composite efficient evaporative condenser |
| CN113587497B (en) * | 2021-07-12 | 2023-04-07 | 浙江国祥股份有限公司 | Double-cooling composite efficient evaporative condenser |
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| Date | Code | Title | Description |
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| 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: 20200218 Termination date: 20210429 |