CN212057606U - Natural cold source medium heat exchange refrigerating system - Google Patents
Natural cold source medium heat exchange refrigerating system Download PDFInfo
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- CN212057606U CN212057606U CN202020586905.2U CN202020586905U CN212057606U CN 212057606 U CN212057606 U CN 212057606U CN 202020586905 U CN202020586905 U CN 202020586905U CN 212057606 U CN212057606 U CN 212057606U
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Abstract
The utility model relates to the field of combined cooling systems, a natural cold source medium heat exchange refrigeration system, a first water circulation pipeline between a cooling tower and a water-cooling heat exchanger is connected with a shunt water pipe through a first three-way joint, the other end of the shunt water pipe is connected with a water tank, a second circulation pump set and an air cooler are sequentially arranged on the shunt water pipe according to the flowing direction, and the second circulation pump set, the air cooler, the water tank, the first circulation pump set and the water-cooling heat exchanger form a passive water-cooling system; a first water circulation pipeline between the first three-way joint and the cooling tower is connected with a water drain pipe through a second three-way joint; the air cooling system comprises a fan, an air filter and an air outlet, the fan is arranged outside the machine room, the air outlet is arranged in the machine room, the air outlet of the fan is connected with the air outlet through a pipeline, and the air filter is arranged on the pipeline between the fan and the air outlet. The refrigeration system can reduce the cost of the machine room cooling system by utilizing various refrigeration modes and increase the refrigeration and heat exchange efficiency of the machine room.
Description
Technical Field
The utility model relates to a joint cooling system field, especially a nature cold source medium heat transfer refrigerating system.
Background
With the continuous development of the information industry and the social economy, the construction scale and the number of data centers are increasing at a high speed. The heat dissipation capacity of the data center is also rapidly increased, and in order to ensure the normal operation of the data center, a precise air conditioning system needs to be started all the year round to discharge the heat generated by the data center in the machine room.
In the prior art, an air-conditioning refrigeration system is mainly adopted in a cooling system of a machine room, the refrigeration system adopts a compressor for refrigeration, the heat dissipation efficiency is high, but the defects are obvious, the refrigeration mode is single, the initial investment is high, the operation cost is high, the energy consumption is high, and the refrigeration system is suitable for areas with high outdoor temperature, such as southern China. However, in northern areas of China, the outdoor temperature is low in winter, and how to utilize an outdoor environment cold source to refrigerate in a machine room and correspondingly reduce the power consumption and the cost becomes a problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a natural cold source medium heat transfer refrigerating system, its usable multiple refrigeration mode reduces computer lab cooling system's expense, increases computer lab refrigeration heat exchange efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme:
the natural cold source medium heat exchange refrigeration system is used for radiating heat of a machine room and comprises a cooling tower, a water tank, a first circulating pump set, an air cooler, a second circulating pump set, an air cooling system, a first three-way joint, a second three-way joint, a water drain pipe and a water cooling heat exchanger arranged in the machine room, wherein the cooling tower, the water tank, the first circulating pump set and the water cooling heat exchanger are sequentially connected through a first water circulating pipeline to form a forced water cooling system; a first water circulation pipeline between the first three-way joint and the cooling tower is connected with a water drain pipe through a second three-way joint, and a water drain valve is arranged on the water drain pipe;
the air cooling system comprises a fan, an air filter and an air outlet, the fan is arranged outside the machine room, the air outlet is arranged in the machine room, the air outlet of the fan is connected with the air outlet through a pipeline, and the air filter is arranged on the pipeline between the fan and the air outlet.
Preferably, the cooling tower incorporates a cooling fan for forcibly cooling the cooling water.
Preferably, the first and second pumparound groups each comprise independently operable water pumps.
Preferably, the first water circulation pipeline is provided with a cooling water filtering loop.
Preferably, the cooling water filtering circuit comprises a cooling water filtering device, a filtering valve, a third three-way joint and a fourth three-way joint, wherein the third three-way joint is arranged on the first water circulation pipeline between the first circulating pump group and the water-cooling heat exchanger, the fourth three-way joint is arranged on the first water circulation pipeline between the water-cooling heat exchanger and the first three-way joint, the third three-way joint and the fourth three-way joint are communicated through the filtering pipeline, and the cooling water filtering device and the filtering valve are arranged on the filtering pipeline.
As preferred, cooling water filter equipment includes filtering ponds, divider wall, inlet tube and outlet pipe, and wherein the vertical setting of divider wall is in filtering ponds, and first space and second space are separated into with filtering ponds to the divider wall, first space top is equipped with the graticule mesh, and this graticule mesh is connected all around on filtering ponds inner wall and divider wall lateral wall, and the inlet tube setting corresponds first space department at the filtering ponds wall, and the interface of inlet tube and filtering ponds is located the below of graticule mesh, the outlet pipe sets up and corresponds second space department at the filtering ponds wall.
Preferably, the bottom of the filter tank corresponding to the first space is a funnel-shaped bottom wall, a sewage pipe is arranged at the collection position of the funnel-shaped bottom wall, and a sewage valve is arranged on the sewage pipe.
Preferably, the air outlets are arranged at the top of the machine room, two groups of the air outlets are arranged, and the two groups of the air outlets are respectively arranged at two opposite wall bodies close to the machine room.
Preferably, the water-cooled heat exchanger is arranged at the top in the machine room, and a plurality of groups of heat exchange water pipes spanning the wall bodies on two opposite sides of the machine room are arranged in the machine room.
Use the utility model discloses a beneficial effect is:
the natural cold source medium heat exchange refrigeration system has a plurality of working modes, and when the temperature is higher in summer, a cooling tower and a built-in cooling fan are correspondingly used for forcibly dissipating heat of cooling water; when the outdoor temperature is lower in winter, the cooling tower is closed, the air cooler and the second circulating pump set are simultaneously opened, the air cooler passively dissipates heat, and meanwhile, water in a pipeline stopping cooling water circulation is emptied, so that the pipeline is prevented from being frozen and burst due to cooling water, and the indoor temperature reduction of a machine room is met. This natural cold source medium heat transfer refrigerating system air cooling system is in normally opening the mode, and air cooling system can provide the new trend to the computer lab is indoor, and accessible computer lab outside air is to the computer lab cooling simultaneously, kills two birds with one stone. This cooling system accessible multiple cooling mode independent operation or the cooperation of a plurality of cooling module are used, and reinforcing cooling efficiency guarantees the inside constant temperature of computer lab.
This natural cold source medium heat transfer refrigerating system realizes multiple refrigeration mode through the cooperation of multiunit cooling module, corresponds outdoor temperature and carries out rational configuration, and make full use of is from the hot cold source, reduces energy resource consumption, increases computer lab refrigeration heat exchange efficiency.
Drawings
Fig. 1 is the system structure schematic diagram of the natural cold source medium heat exchange refrigeration system of the present invention.
Fig. 2 is the schematic view of the cooling water filtering device in the natural cold source medium heat exchange refrigeration system of the present invention.
Fig. 3 is the utility model discloses machine room pipeline arrangement schematic diagram among natural cold source medium heat transfer refrigerating system.
The reference numerals include:
10-a cooling tower, 20-a water tank, 30-a first circulating pump group, 40-a water-cooled heat exchanger, 50-an air cooler, 60-a second circulating pump group, 70-a cooling water filtering device, 80-an air cooling system and 90-a water drain pipe;
71-a filter tank, 72-a grid, 73-a partition wall, 74-a hopper, 75-a sewage pipe, 76-a sewage valve, 77-a water inlet pipe and 78-a water outlet pipe; 81-air filter, 82-air outlet; k-machine room, L-movable room.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
Example 1
As shown in fig. 1 to fig. 3, the natural cold source medium heat exchange refrigeration system provided by this embodiment is used for dissipating heat of a machine room K, and includes a cooling tower 10, a water tank 20, a first circulating pump set 30, an air cooler 50, a second circulating pump set 60, an air cooling system 80, a first three-way joint, a second three-way joint, a drain pipe 90 and a water cooling heat exchanger 40 arranged in the machine room K, where the cooling tower 10, the water tank 20, the first circulating pump set 30 and the water cooling heat exchanger 40 are sequentially connected through a first water circulating pipeline to form a forced water cooling system, the first water circulating pipeline between the cooling tower 10 and the water cooling heat exchanger 40 is connected through a first three-way joint to form a diversion water pipe, the other end of the diversion water diversion pipe is connected to the water tank 20, the second circulating pump set 60 and the air cooler 50 are sequentially arranged on the diversion water pipe in a flowing direction, the second, The air cooling system, the water tank 20, the first circulating pump group 30 and the water cooling heat exchanger 40 form a passive water cooling system; a first water circulation pipeline between the first three-way joint and the cooling tower 10 is connected with a drain pipe 90 through a second three-way joint, and a drain valve is arranged on the drain pipe 90;
the air cooling system 80 comprises a fan, an air filter 81 and an air outlet 82, the fan is arranged outside the machine room K, the air outlet 82 is arranged in the machine room K, an air outlet of the fan is connected with the air outlet 82 through a pipeline, and the air filter 81 is arranged on a pipeline between the fan and the air outlet 82.
Preferably, the cooling tower 10 incorporates a cooling fan for forcibly cooling the cooling water, and the cooling fan can increase the cooling efficiency of the cooling tower 10.
Preferably, the first and second pumparound groups 30 and 60 each include independently operable water pumps, switchable water pumps, to facilitate maintenance of the first and second pumparound groups 30 and 60.
After long-time operation, need carry out filtration treatment to whole water route, avoid impurity to block up refrigerating system, be equipped with cooling water on the first water circulating line and filter the return circuit.
Specifically, the cooling water filtering loop includes a cooling water filtering device 70, a filtering valve, a third three-way joint and a fourth three-way joint, wherein the third three-way joint is arranged on the first water circulation pipeline between the first circulating pump group 30 and the water-cooling heat exchanger 40, the fourth three-way joint is arranged on the first water circulation pipeline between the water-cooling heat exchanger 40 and the first three-way joint, the third three-way joint and the fourth three-way joint are communicated through the filtering pipeline, and the cooling water filtering device 70 and the filtering valve are arranged on the filtering pipeline.
As shown in fig. 2, the cooling water filtering device 70 includes a filtering tank 71, a partition wall 73, a water inlet pipe 77 and a water outlet pipe 78, wherein the partition wall 73 is vertically disposed in the filtering tank 71, the partition wall 73 divides the filtering tank 71 into a first space and a second space, a grid 72 is disposed at the top of the first space, the periphery of the grid 72 is connected to the inner wall of the filtering tank 71 and the side wall of the partition wall 73, the water inlet pipe 77 is disposed at the position of the wall of the filtering tank 71 corresponding to the first space, the interface between the water inlet pipe 77 and the filtering tank 71 is located below the grid 72, and the water outlet pipe 78 is disposed at the position of the wall of the filtering tank 71 corresponding to the second space. In this cooling water filtration apparatus 70, the grid 72 is used to make the water in the first space slowly flow, so that the cooling water is more stable just like the second space.
Preferably, a funnel-shaped bottom wall, namely a hopper 74, is arranged below the bottom of the filtering tank 71 corresponding to the first space, a sewage pipe 75 is arranged at the collection position of the funnel-shaped bottom wall, and a sewage valve 76 is arranged on the sewage pipe 75 to facilitate discharging impurities in the first space.
As shown in fig. 3, the air outlets 82 are disposed at the top in the machine room K, and there are two sets of the air outlets 82, and the two sets of the air outlets 82 are disposed near two opposite walls in the machine room K, respectively.
The water-cooled heat exchanger 40 is arranged at the top in the machine room K, and a plurality of groups of heat exchange water pipes spanning the wall bodies on two opposite sides of the machine room K are arranged in the machine room K of the water-cooled heat exchanger 40.
The air filter 81, the first circulating pump group 30 and the cooling water filtering device 70 of the present system can be disposed in the activity room L for convenient operation by a person.
Example 2
This embodiment describes the working mode of the natural cold source medium heat exchange refrigeration system proposed in embodiment 1 in detail.
Mode 1: when the outside is hottest, the air cooling system 80 is switched to enter a minimum power state, at the moment, the air cooling system 80 only realizes ventilation, the cooling tower 10, the first circulating pump group 30 and the second circulating pump group 60 are opened, the valves A1, A2, A3, A5, A6 and A7 are opened, the valves A4 and A8 are closed, at the moment, the cooling tower 10 and the air cooler 50 work simultaneously, and the cooling fan in the cooling tower 10 works simultaneously.
Mode 2: when the outside temperature is low, the cooling fan is turned off in the state of mode 1.
Mode 3: when the outdoor air temperature is lower than the temperature in the machine room K, the air cooling system 80 is switched to enter the maximum power state; the cooling tower 10, the first pumparound set 30 and the second pumparound set 60 are opened, the valves a1, a2, A3, a5, a6, a7 are opened, and the valves a4, A8 are closed, while the cooling tower 10 and the air cooler 50 are operated simultaneously.
Mode 4: when the outdoor air temperature is lower than the temperature in the machine room K, the air cooling system 80 is switched to enter the maximum power state; the cooling tower 10 alone, the first pumparound set 30, the second pumparound set 60, a1, a2, A3, a5, and valves a4, a6, a7, A8 are opened, and the cooling tower 10 alone is operated in this mode.
Mode 5: when the outdoor air temperature is extremely low, the cooling tower 10 is closed, the valves A3 and A5 are closed, and the valve A4 is opened to drain the cooling water; the air cooling system 80 is switched to enter a maximum power state, the valves A1, A2, A6 and A7 are opened, the valve A8 is closed, the first circulating pump group 30, the second circulating pump group 60 and the air cooler 50 are in working states, the system is in a most power-saving state, and the air cooling system is most suitable for being used when the outside air temperature is cold.
Mode 6: when the outdoor air temperature is extremely low, the air cooling system 80 is switched to enter the maximum power state, and when the system is in a cooling water filtering state, the cooling tower 10 is closed, the first circulating pump group 30 and the second circulating pump group 60 are opened, the valves A6, A7 and A8 are opened, and the valves A1, A2, A3, A4 and A5 are closed, so that cooling water filtering can be realized.
In summary, the natural cold source medium heat exchange refrigeration system has a plurality of working modes, and when the temperature is high in summer, the cooling tower 10 and the built-in cooling fan are correspondingly used for forcibly dissipating heat of cooling water; when the outdoor temperature is lower in winter, the cooling tower 10 is closed, the air cooler 50 and the second circulating pump group 60 are simultaneously opened, the air cooler 50 is used for passive heat dissipation, water in a pipeline stopping cooling water circulation is emptied, the pipeline is prevented from being frozen and burst due to cooling water, and therefore indoor cooling of the machine room K is met. This natural cold source medium heat transfer refrigerating system air cooling system 80 is in normally opening the mode, and air cooling system 80 can be to the indoor new trend that provides of computer lab K, and accessible computer lab K outside air is to computer lab K cooling simultaneously, kills two birds with one stone. This cooling system accessible multiple cooling mode independent operation or the cooperation of a plurality of cooling module are used, and reinforcing cooling efficiency guarantees the inside constant temperature of computer lab K.
This natural cold source medium heat transfer refrigerating system realizes multiple refrigeration mode through the cooperation of multiunit cooling module, corresponds outdoor temperature and carries out rational configuration, and make full use of is from the hot cold source, reduces energy resource consumption, increases computer lab K refrigeration heat exchange efficiency.
The foregoing is only a preferred embodiment of the present invention, and many variations can be made in the specific embodiments and applications of the present invention by those skilled in the art without departing from the spirit of the present invention.
Claims (9)
1. Natural cold source medium heat transfer refrigerating system for dispel the heat to the computer lab, its characterized in that: the cooling tower, the water tank, the first circulating pump set and the water-cooling heat exchanger are sequentially connected through a first water circulating pipeline to form a forced water-cooling system, a first water circulating pipeline between the cooling tower and the water-cooling heat exchanger is connected with a water dividing pipe through the first tee joint, the other end of the water dividing pipe is connected with the water tank, the water dividing pipe is sequentially provided with the second circulating pump set and the air cooler in the flowing direction, and the second circulating pump set, the air-cooling unit, the water tank, the first circulating pump set and the water-cooling heat exchanger form a passive water-cooling system; a first water circulation pipeline between the first three-way joint and the cooling tower is connected with a water drain pipe through a second three-way joint, and a water drain valve is arranged on the water drain pipe;
the air cooling system comprises a fan, an air filter and an air outlet, the fan is arranged outside the machine room, the air outlet is arranged in the machine room, the air outlet of the fan is connected with the air outlet through a pipeline, and the air filter is arranged on the pipeline between the fan and the air outlet.
2. The natural cold source medium heat exchange refrigeration system of claim 1, wherein: the cooling tower is internally provided with a cooling fan for forcibly cooling water.
3. The natural cold source medium heat exchange refrigeration system of claim 1, wherein: the first and second pumparound groups each include independently operable water pumps.
4. The natural cold source medium heat exchange refrigeration system of claim 1, wherein: and a cooling water filtering loop is arranged on the first water circulating pipeline.
5. The natural cold source medium heat exchange refrigeration system of claim 4, wherein: the cooling water filtering loop comprises a cooling water filtering device, a filtering valve, a third three-way joint and a fourth three-way joint, wherein the third three-way joint is arranged on a first water circulation pipeline between the first circulation pump group and the water-cooled heat exchanger, the fourth three-way joint is arranged on the first water circulation pipeline between the water-cooled heat exchanger and the first three-way joint, the third three-way joint and the fourth three-way joint are communicated through the filtering pipeline, and the cooling water filtering device and the filtering valve are arranged on the filtering pipeline.
6. The natural cold source medium heat exchange refrigeration system of claim 5, wherein: the cooling water filtering device comprises a filtering tank, a partition wall, a water inlet pipe and a water outlet pipe, wherein the partition wall is vertically arranged in the filtering tank, the partition wall separates the filtering tank into a first space and a second space, the top of the first space is provided with a grid, the grid is connected to the inner wall of the filtering tank and the side wall of the partition wall, the water inlet pipe is arranged on the wall of the filtering tank corresponding to the first space, the water inlet pipe and the interface of the filtering tank are located below the grid, and the water outlet pipe is arranged on the wall of the filtering tank corresponding to the second space.
7. The natural cold source medium heat exchange refrigeration system of claim 6, wherein: the lower part of the bottom of the filter tank corresponding to the first space is a funnel-shaped bottom wall, a sewage pipe is arranged at the collection part of the funnel-shaped bottom wall, and a sewage valve is arranged on the sewage pipe.
8. The natural cold source medium heat exchange refrigeration system of claim 1, wherein: the air outlets are arranged at the top in the machine room, two groups of air outlets are arranged, and the two groups of air outlets are respectively arranged at two opposite wall bodies close to the machine room.
9. The natural cold source medium heat exchange refrigeration system of claim 1, wherein: the water-cooled heat exchanger is arranged at the top in the machine room, and a plurality of groups of heat exchange water pipes spanning wall bodies on two opposite sides of the machine room are arranged in the machine room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020586905.2U CN212057606U (en) | 2020-04-17 | 2020-04-17 | Natural cold source medium heat exchange refrigerating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020586905.2U CN212057606U (en) | 2020-04-17 | 2020-04-17 | Natural cold source medium heat exchange refrigerating system |
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| CN212057606U true CN212057606U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020586905.2U Expired - Fee Related CN212057606U (en) | 2020-04-17 | 2020-04-17 | Natural cold source medium heat exchange refrigerating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231472A (en) * | 2023-11-10 | 2023-12-15 | 珠海格力电器股份有限公司 | Cooling-waste heat recovery device and system of multistage compressor and multistage compressor |
-
2020
- 2020-04-17 CN CN202020586905.2U patent/CN212057606U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231472A (en) * | 2023-11-10 | 2023-12-15 | 珠海格力电器股份有限公司 | Cooling-waste heat recovery device and system of multistage compressor and multistage compressor |
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Granted publication date: 20201201 |