CN215863802U - Modular all-in-one machine combining indirect evaporative refrigeration and mechanical refrigeration - Google Patents
Modular all-in-one machine combining indirect evaporative refrigeration and mechanical refrigeration Download PDFInfo
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- CN215863802U CN215863802U CN202120886835.7U CN202120886835U CN215863802U CN 215863802 U CN215863802 U CN 215863802U CN 202120886835 U CN202120886835 U CN 202120886835U CN 215863802 U CN215863802 U CN 215863802U
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Abstract
The utility model discloses a modularized integrated machine combining indirect evaporative refrigeration and mechanical refrigeration, which comprises an indirect evaporative water chilling unit and a mechanical refrigeration unit, wherein the indirect evaporative water chilling unit consists of an exhaust fan, a spraying device, a filler and a water tank, a surface heat exchanger is installed on an air inlet of the indirect evaporative water chilling unit, a system water return pipe is connected with an inlet of the surface heat exchanger, an outlet of the system water return pipe is connected with an inlet of a condenser of the mechanical refrigeration unit, an outlet pipe of the condenser of the system water return pipe is connected with the spraying device, a water outlet pipe of the water tank is connected with an inlet of an evaporator of the mechanical refrigeration unit through a circulating water pump, and an outlet of the evaporator of the water tank is connected with a system water supply pipe. The utility model has reasonable structure, not only ensures the safe operation of the air conditioning system, but also can reduce the operation energy consumption of the system, reduce the operation maintenance work of the unit and avoid the risk that the plate is replaced and frozen out caused by replacing the plate in the outdoor unit.
Description
Technical Field
The utility model belongs to air treatment equipment in the field of heating ventilation and air conditioning, and particularly relates to a modular all-in-one machine combining indirect evaporative refrigeration and mechanical refrigeration.
Background
With the development of 5G technology, cloud computing and artificial intelligence, the development of data centers is faster and faster, and in order to reduce the energy consumption of the data centers, governments have also developed more and more severe energy-saving indexes, so that the reduction of the operation energy consumption of the data centers is not slow at all. In the operation energy consumption of the data center, the refrigeration accounts for 20% -30% of the operation energy consumption, so that the refrigeration energy consumption of the data center is reduced, and the PUE of the data center can be greatly reduced.
In order to reduce the energy consumption of an air conditioning system of a data center and shorten the construction period of the data center, most of common modularized air conditioning units at the present stage are internal-cooling type indirect evaporative cooling units, but the internal-cooling type indirect evaporative cooling units have the problems of scaling blockage, corrosion, dewing during operation in winter, large occupied area and the like of a heat exchange core, and when the internal-cooling type indirect evaporative cooling units are adopted, the problem of cold accumulation after power failure is difficult to solve, and an additional water storage tank is required to be arranged for water storage, so that the additional building area is occupied.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a modularized all-in-one machine combining indirect evaporative refrigeration and mechanical refrigeration, which has a reasonable structure, not only ensures the safe operation of an air conditioning system, but also can reduce the operation energy consumption of the system, reduce the operation maintenance work of a unit, and avoid the risk that the plate is replaced and frozen out due to the fact that the plate is replaced and arranged outside the unit.
The purpose of the utility model is realized as follows: the modular integrated machine combining indirect evaporation refrigeration and mechanical refrigeration comprises an indirect evaporation water chilling unit and a mechanical refrigeration unit, wherein the indirect evaporation water chilling unit consists of an exhaust fan, a spraying device, a filler and a water tank, a surface heat exchanger is installed on an air inlet of the indirect evaporation water chilling unit, a system water return pipe is connected with an inlet of the surface heat exchanger, an outlet of the system water return pipe is connected with an inlet of a condenser of the mechanical refrigeration unit, an outlet pipe of the condenser of the system water return pipe is connected with the spraying device, a water outlet pipe of the water tank is connected with an inlet of an evaporator of the mechanical refrigeration unit through a circulating water pump, and an outlet of the evaporator of the water tank is connected with a system water supply pipe.
The utility model is mainly suitable for semidry areas, can ensure the safe operation of an air-conditioning system and can also reduce the operation energy consumption of the system by combining evaporative refrigeration and mechanical refrigeration; compared with a conventional integrated unit, the integrated unit cancels plate replacement in the unit, reduces operation maintenance work of the unit, and avoids the risk that the plate replacement is possibly caused by the fact that the plate replacement is arranged in an outdoor unit. The outlet water of the indirect evaporation water chilling unit firstly enters the mechanical refrigerating unit and then is supplied to the heat exchange device, the heat exchange device can be a plate-exchange and terminal refrigerating unit, maintenance work on equipment is reduced, and maintenance cost is reduced.
The utility model has reasonable structure, ensures the safe operation of the air conditioning system, reduces the operation energy consumption of the system, reduces the operation maintenance work of the unit and avoids the risk that the plate is replaced and frozen out caused by replacing the plate in the outdoor unit.
Drawings
The present invention will be further described with reference to the accompanying drawings, in which fig. 1 is a schematic structural diagram of embodiment 1 of the present invention, fig. 2 is a schematic structural diagram of embodiment 2 of the present invention, fig. 3 is a schematic structural diagram of embodiment 3 of the present invention, fig. 4 is a schematic structural diagram of embodiment 4 of the present invention, and fig. 5 is a schematic structural diagram of embodiment 5 of the present invention.
Detailed Description
The utility model provides a modularization all-in-one that indirect evaporative cooling and mechanical refrigeration combined together, as shown in figure 1, includes indirect evaporative cooling water set and mechanical refrigeration unit that constitute by exhaust fan 1, spray set 2, filler 3 and water tank 4, characterized by: the air inlet of the indirect evaporation water chilling unit is provided with a surface type heat exchanger 7, a system water return pipe 6 is connected with the inlet of the surface type heat exchanger 7, the outlet of the system water return pipe is connected with the inlet of a condenser of a mechanical refrigerating unit 8, the outlet pipe of the condenser is connected with a spraying device 2, the water outlet pipe of a water tank 4 is connected with the inlet of an evaporator of the mechanical refrigerating unit 8 through a circulating water pump 5, and the outlet of the evaporator is connected with a system water supply pipe 9.
The integrated machine combining indirect evaporative refrigeration and mechanical refrigeration mainly comprises an indirect evaporative water chilling unit, a mechanical refrigeration unit, a unit circulating water pump 5 and the like, wherein the indirect evaporative water chilling unit comprises an exhaust fan 1, a spraying device 2, a filler 3, a surface heat exchanger, a water tank 4 and the like, a system water return pipe 6 is communicated with an inlet of a surface heat exchanger 7 of the indirect evaporative water chilling unit, an outlet of the system water return pipe is communicated with an inlet of a condenser of the mechanical refrigeration unit 8, and an outlet of the system water return pipe is communicated with the spraying device 2 of the indirect evaporative water chilling unit; the water outlet of the indirect evaporation water chilling unit water tank 4 is communicated with the inlet of the evaporator of the mechanical refrigerating unit 8 through a unit circulating water pump 5, and the outlet of the indirect evaporation water chilling unit water tank is communicated with a system water supply pipe 9; the return water of the system enters the surface type heat exchanger 7 to pre-cool the outdoor fresh air, so that the temperature of the outdoor fresh air is reduced, and the fresh air enters the packed tower; the cold water temperature through the surface type heat exchanger 7 rises to be used as cooling water of the mechanical refrigerating unit 8, finally returns to the unit spraying device 2 for spraying, and carries out heat and mass exchange through the filler 3 and the cold air of the surface type heat exchanger 7, so that the water temperature is reduced, the reduced water temperature is recooled through an evaporator of the mechanical refrigerating unit 8, and finally the water is supplied to the system.
The air inlet of the indirect evaporation water chilling unit is arranged on one side/two sides/three sides/periphery of the unit, and the surface type heat exchanger 7 is arranged on the air inlet of the unit.
As shown in fig. 2, air inlets are arranged on both sides of the indirect evaporation water chilling unit, surface heat exchangers 7 are respectively arranged on the air inlets, a mechanical refrigerating unit 8 is arranged above the surface heat exchangers 7, a system water return pipe is communicated with an inlet of the surface heat exchanger 7, an outlet of the system water return pipe is communicated with an inlet of a condenser of the mechanical refrigerating unit 8, an outlet of the condenser of the mechanical refrigerating unit 8 is communicated with a spraying device, a water outlet pipe of a water tank 4 is communicated with an evaporator of the mechanical refrigerating unit 8 through a circulating water pump 5, an outlet of the water tank is communicated with a system water supply pipe 9, the surface heat exchanger 7 is provided with a long-flow water pipe 12, the long-flow water pipe 12 is connected with the water tank 4, a unit water replenishing pipe 10 is arranged on the water tank 4, and a drain pipe 11 provided with a valve is arranged at the bottom of the water tank 4. The surface type heat exchangers 7 are arranged on two sides of the unit, the surface cooler long-flowing water pipe 12 is provided with water replenishing and draining on the water tank 4; the main function of the surface cooler long-flowing water pipe 12 is to completely drain the water in the unit when the unit stops running, so as to avoid the influence of the open water on the heat exchanger.
As shown in fig. 3, the long-flow water pipes 12 provided in the evaporator and the condenser of the mechanical refrigerator group 8, respectively, communicate with the water tank 4. The mechanical refrigeration evaporator and the condenser are provided with the long running water pipes 12, and the main function of the mechanical refrigeration evaporator and the condenser provided with the long running water pipes 12 is to completely evacuate water in the mechanical refrigeration evaporator and the condenser when the unit stops running, so that the heat exchanger is prevented from being influenced by open water.
As shown in fig. 4, the outlet of the surface heat exchanger 7 communicates with the condenser inlet of the mechanical refrigerator group 8 and the shower device 2, and a condenser bypass valve 14 is provided on a communicating pipe with the shower device 2; the outlet of the circulating water pump 5 is communicated with the evaporator inlet of the mechanical refrigerator group 8 and the system water supply pipe 9, and an evaporator bypass valve 13 is provided on a communication pipe with the system water supply pipe. Bypass pipes are arranged at the inlet and outlet of the evaporator and the condenser of the mechanical refrigerating unit 8, and an evaporator bypass valve 13 and a condenser bypass valve 14 are respectively arranged on the bypass pipes; the bypass pipe and the bypass valve are arranged at the inlet and the outlet of the mechanical evaporator and the condenser, the water flow of the mechanical refrigeration evaporator and the condenser can be adjusted by adjusting the bypass valve, and the bypass valve can be opened when the mechanical refrigeration is not required to be started, so that the pressure drop of the unit is reduced, and the power consumption of the water pump can be reduced.
As shown in fig. 5, the filler 3 of the indirect evaporative water chiller is divided into a first filler 15 and a second filler 16, the integrated machine combining indirect evaporative refrigeration and mechanical refrigeration is divided into two modules, wherein one module comprises a mechanical refrigeration unit 8, a first filler 17, a surface heat exchanger 7 and a water tank 4, and the second module comprises an exhaust fan 1, a spraying device 2 and a second filler 16. The integrated machine combining indirect evaporative refrigeration and mechanical refrigeration can be divided into two modules, wherein one module comprises a mechanical refrigeration unit 8, a water tank 4 of an indirect evaporative water chilling unit, a surface heat exchanger 7 and a first filler 17; the second module is a second filler 16, an exhaust fan 1 and the like, and the unit is installed in a module mode, so that the field installation work is reduced, and the unit is prefabricated in a factory, the quality of the unit is improved, and the installation cost of the unit is reduced.
And a plurality of modularized all-in-one machines combining indirect evaporative refrigeration and mechanical refrigeration share the circulating water pump 5.
Claims (7)
1. The utility model provides a modularization all-in-one that indirect evaporative cooling and mechanical refrigeration combined together, includes indirect evaporative cooling water set and mechanical refrigeration unit that constitute by exhaust fan (1), spray set (2), filler (3) and water tank (4), characterized by: the indirect evaporation water chilling unit is characterized in that a surface type heat exchanger (7) is installed on an air inlet of the indirect evaporation water chilling unit, a system water return pipe (6) is connected with an inlet of the surface type heat exchanger (7), an outlet of the system water return pipe is connected with an inlet of a condenser of a mechanical refrigerating unit (8), an outlet pipe of the condenser of the indirect evaporation water chilling unit is connected with a spraying device (2), a water outlet pipe of a water tank (4) is connected with an inlet of an evaporator of the mechanical refrigerating unit (8) through a circulating water pump (5), and an outlet of the evaporator of the water tank is connected with a system water supply pipe (9).
2. The modular integrated machine combining indirect evaporative refrigeration and mechanical refrigeration as claimed in claim 1, wherein: the air inlet of the indirect evaporation water chilling unit is arranged on one side/two sides/three sides/periphery of the unit, and a surface type heat exchanger (7) is arranged on the air inlet of the unit.
3. The modular integrated machine combining indirect evaporative refrigeration and mechanical refrigeration as claimed in claim 1, wherein: air inlets are arranged at two sides of the indirect evaporation water chilling unit, and surface heat exchangers (7) are respectively arranged on the air inlets, a mechanical refrigerating unit (8) is arranged above the surface type heat exchanger (7), a system water return pipe is communicated with an inlet of the surface type heat exchanger (7), the outlet of the condenser is communicated with the inlet of the condenser of the mechanical refrigerating unit (8), the outlet of the condenser of the mechanical refrigerating unit (8) is communicated with the spraying device, the water outlet pipe of the water tank (4) is communicated with the evaporator of the mechanical refrigerating unit (8) through a circulating water pump (5), the outlet of the heat exchanger is communicated with a system water supply pipe (9), the surface type heat exchanger (7) is provided with a long flowing water pipe (12), the long flowing water pipe (12) is connected with the water tank (4), the water tank (4) is provided with a unit water replenishing pipe (10), and the bottom of the water tank (4) is provided with a drain pipe (11) provided with a valve.
4. The modular integrated machine combining indirect evaporative refrigeration and mechanical refrigeration of claim 3, wherein: the evaporator and the condenser of the mechanical refrigerating unit (8) are respectively provided with a long water flowing pipe (12) which is communicated with the water tank (4).
5. The modular integrated machine combining indirect evaporative refrigeration and mechanical refrigeration of claim 4, wherein: the outlet of the surface heat exchanger (7) is communicated with the condenser inlet of the mechanical refrigerating unit (8) and the spraying device (2), and a condenser bypass valve (14) is arranged on a communicating pipe with the spraying device (2); the outlet of the circulating water pump (5) is communicated with the evaporator inlet of the mechanical refrigerating unit (8) and a system water supply pipe (9), and an evaporator bypass valve (13) is arranged on a communication pipe with the system water supply pipe.
6. The modular integrated machine combining indirect evaporative refrigeration and mechanical refrigeration of claim 3, wherein: the filler (3) of the indirect evaporation water chilling unit is divided into a first filler (15) and a second filler (16), the all-in-one machine combining indirect evaporation refrigeration and mechanical refrigeration is divided into two modules, wherein one module comprises the mechanical refrigeration unit (8), the first filler (17), the surface heat exchanger (7) and the water tank (4), and the second module comprises the exhaust fan (1), the spraying device (2) and the second filler (16).
7. The modular integrated machine combining indirect evaporative refrigeration and mechanical refrigeration of claim 4, wherein: and a plurality of modularized all-in-one machines which combine indirect evaporative refrigeration and mechanical refrigeration share a circulating water pump (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120886835.7U CN215863802U (en) | 2021-04-27 | 2021-04-27 | Modular all-in-one machine combining indirect evaporative refrigeration and mechanical refrigeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120886835.7U CN215863802U (en) | 2021-04-27 | 2021-04-27 | Modular all-in-one machine combining indirect evaporative refrigeration and mechanical refrigeration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215863802U true CN215863802U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202120886835.7U Active CN215863802U (en) | 2021-04-27 | 2021-04-27 | Modular all-in-one machine combining indirect evaporative refrigeration and mechanical refrigeration |
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| Country | Link |
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| CN (1) | CN215863802U (en) |
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2021
- 2021-04-27 CN CN202120886835.7U patent/CN215863802U/en active Active
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