CN218955558U

CN218955558U - Data computer lab waste heat recovery system based on indirect evaporative cooling air conditioner

Info

Publication number: CN218955558U
Application number: CN202223549890.0U
Authority: CN
Inventors: 张健; 赵彦兵; 徐定鑫
Original assignee: Shanghai Carbon Soot Energy Service Co ltd
Current assignee: Shanghai Carbon Soot Energy Service Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-02
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the technical field of waste heat recovery devices, and discloses a data machine room waste heat recovery system based on an indirect evaporative cooling air conditioner. The waste heat recovery device can partially recover the waste heat of the return air of the machine room, and simultaneously provide medium-temperature hot water for heating or living use for a park, so that the use cost of the hot water is reduced; on the other hand, the air return temperature of the machine room can be reduced, the heat exchange quantity of the indirect evaporative cooling air conditioning unit is reduced, the power consumption of the unit is reduced, and the system operation COP is improved.

Description

Data computer lab waste heat recovery system based on indirect evaporative cooling air conditioner

Technical Field

The utility model relates to the technical field of waste heat recovery devices, in particular to a data machine room waste heat recovery system based on an indirect evaporative cooling air conditioner.

Background

In recent years, along with the rapid development of a data center machine room, the high energy consumption of the data center is very outstanding, the power consumption of the data center is more than 1.5% of the total social power consumption, the energy consumption of a refrigerating system accounts for 38% of the total energy consumption of the data center, and the waste heat recovery system of the data machine room based on the indirect evaporative cooling air conditioner is provided for overcoming the defects of overlarge energy consumption and energy recovery utilization of the existing data center.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a data machine room waste heat recovery system based on an indirect evaporative cooling air conditioner, which is characterized in that a set of heat pump air conditioner unit is added at the front end of an air return port of the indirect evaporative cooling unit, so that the air return temperature of the indirect evaporative cooling unit is reduced while waste heat recovery is carried out on indoor medium-high Wen Huifeng, the operation efficiency of equipment is improved, the high efficiency and the energy conservation of the system are realized, and the problems in the background art are solved.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a data computer lab waste heat recovery system based on indirect evaporative cooling air conditioner, includes waste heat recovery unit, indirect evaporative cooling unit and data computer lab group, waste heat recovery unit includes heat pump system, heat pump system includes indoor return air channel, heat pump unit evaporimeter, heat pump unit throttling arrangement, heat pump unit compressor, heat pump unit condenser, terminal.

Preferably, the indirect evaporative cooling unit comprises a set of total heat exchanger, a spraying system, an indoor and outdoor air supply and return system, an electric control system and a set of mechanical cooling system.

Preferably, the indoor and outdoor air supply and return system comprises an indoor air part and an outdoor air part, wherein the indoor air part comprises an indoor air return port, a total heat exchange core body, an indoor air feeder and an indoor air supply port.

Preferably, the outdoor air part comprises an outdoor air inlet, a spray water device, a water pump, a total heat exchange core body, a water collecting tank, an outdoor exhaust fan and an outdoor exhaust outlet.

Preferably, the mechanical cooling supplementing part comprises a mechanical cooling supplementing compressor, a mechanical cooling supplementing condenser and a mechanical cooling supplementing evaporator.

Preferably, the data room includes a cabinet, a cold aisle and a hot aisle.

(III) beneficial effects

Compared with the prior art, the utility model provides a data machine room waste heat recovery system based on an indirect evaporative cooling air conditioner, which has the following beneficial effects:

1. the system is based on an indirect evaporative cooling air conditioning system, an evaporator of a heat pump unit is embedded in a machine room return air side of equipment, and the evaporator is cooled by using machine room return air heat, so that the machine room return air heat can be partially recovered, and meanwhile, medium-temperature hot water is provided for heating or living use to a park, so that the use cost of hot water is reduced; on the other hand, the air return temperature of the machine room can be reduced, the heat exchange quantity of the indirect evaporative cooling unit is reduced, the power consumption of the unit is reduced, and the system operation COP is improved;

2. through addding waste heat recovery equipment, reduce computer lab return air temperature, reduce fresh air use amount under the same load condition, reduce fresh air energy consumption, especially can reduce mechanical cold-compensating compressor power consumption in summer high temperature period, improve system operation COP, reduce peak PUE, realize energy-efficient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic diagram of a heat pump system according to the present utility model.

In the figure: 1. an indoor return air duct; 2. an evaporator of the heat pump unit; 3. a throttle device of the heat pump unit; 4. a heat pump unit compressor; 5. a condenser of the heat pump unit; 6. a heat pump system; 7. a terminal end; 8. an indirect evaporative cooling unit; 9. a cabinet; 10. a cold aisle; 11. an indoor air supply port; 12. an indoor blower; 13. a mechanical cold-make-up compressor; 14. a total heat exchange core; 15. an outdoor exhaust fan; 16. an indoor air return port; 17. an outdoor air inlet; 18. a spray water device; 19. a water pump; 20. a water collecting tank; 21. an outdoor air outlet; 22. a mechanical cool-supplementing evaporator; 23. a mechanical cool supplementing condenser; 24. a thermal channel; 25. a data room.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme, and relates to a data machine room waste heat recovery system based on an indirect evaporative cooling air conditioner, which is shown in fig. 1 and 2, and comprises a waste heat recovery unit, an indirect evaporative cooling unit 8 and a data machine room 25, wherein the waste heat recovery unit comprises a heat pump system 6, and the heat pump system 6 comprises an indoor air return channel 1, a heat pump unit evaporator 2, a heat pump unit throttling device 3, a heat pump unit compressor 4, a heat pump unit condenser 5 and a tail end 7.

Referring to fig. 1 and 2, the indirect evaporative cooling unit 8 includes a set of total heat exchanger, a spray system, an indoor and outdoor air supply and return system, an electric control system, and a set of mechanical cooling system.

Referring to fig. 1 and 2, the indoor and outdoor return air system includes an indoor air part and an outdoor air part, the indoor air part including an indoor return air inlet 16, a total heat exchange core 14, an indoor blower 12, and an indoor air supply inlet 11.

Referring to fig. 1 and 2, the outdoor air part includes an outdoor air inlet 17, a shower water device 18, a water pump 19, a total heat exchange core 14, a water collecting tank 20, an outdoor exhaust fan 15, and an outdoor exhaust outlet 21.

Referring to fig. 1 and 2, the mechanical cooling part includes a mechanical cooling compressor 13, a mechanical cooling condenser 23, and a mechanical cooling evaporator 22.

Referring to fig. 1 and 2, the data room 25 includes a cabinet 9, a cold aisle 10, and a hot aisle 24.

The waste heat recovery principle of the device is as follows: after the indoor hot air enters the unit, the indoor hot air enters the heat pump unit evaporator 2 of the heat recovery system and then enters the total heat exchanger to absorb the cold energy of the outdoor air, and finally is sent to the indoor space through the indoor air supply port, and the indoor hot return air exchanges heat with the heat pump system 6 through the embedded heat pump unit evaporator 2, so that the temperature of the heat is reduced in the heat pump system 6, and the heat pump system 6 is used for conveying high-temperature hot water outwards through the heat pump unit condenser 5.

Working principle of indirect evaporative cooling air conditioning unit: the outdoor air enters the unit, the cooling capacity is transferred to the indoor air through the total heat exchanger after the cooling by spraying, and finally the indoor air is discharged through an outdoor air outlet; after the indoor side hot air enters the unit, the indoor side hot air absorbs the cold energy of the outdoor air through the total heat exchanger, and then is sent to the indoor side through the indoor side air supply outlet, the outdoor air is sprayed, the spray water carries out heat mass exchange with the outdoor air, and the spray water absorbs the heat of the outdoor air and evaporates rapidly, so that the temperature of the outdoor air is reduced and approaches to the wet bulb temperature, the total heat exchanger is used for carrying out total heat exchange with the indoor air after cooling, the outdoor air transfers the cold energy to the indoor air, the cooling effect is realized, and the mechanical cooling supplementing system is opened as supplement when the unit can not realize 100% cooling so as to meet the cooling requirement of the indoor hot air.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a data computer lab waste heat recovery system based on indirect evaporative cooling air conditioner, includes waste heat recovery unit, indirect evaporative cooling unit (8) and data computer lab (25) constitution, its characterized in that: the waste heat recovery unit comprises a heat pump system (6), wherein the heat pump system (6) comprises an indoor air return duct (1), a heat pump unit evaporator (2), a heat pump unit throttling device (3), a heat pump unit compressor (4), a heat pump unit condenser (5) and a tail end (7).

2. The data machine room waste heat recovery system based on the indirect evaporative cooling air conditioner as claimed in claim 1, wherein: the indirect evaporative cooling unit (8) comprises a set of total heat exchanger, a spraying system, an indoor and outdoor air supply and return system, an electric control system and a set of mechanical cooling system.

3. The data machine room waste heat recovery system based on the indirect evaporative cooling air conditioner as claimed in claim 2, wherein: the indoor and outdoor air supply and return system comprises an indoor air part and an outdoor air part, wherein the indoor air part comprises an indoor air return opening (16), a total heat exchange core body (14), an indoor air feeder (12) and an indoor air supply opening (11).

4. The data machine room waste heat recovery system based on the indirect evaporative cooling air conditioner as claimed in claim 3, wherein: the outdoor air part comprises an outdoor air inlet (17), a spray water device (18), a water pump (19), a total heat exchange core body (14), a water collecting tank (20), an outdoor exhaust fan (15) and an outdoor exhaust outlet (21).

5. The indirect evaporative cooling air conditioner-based data machine room waste heat recovery system as claimed in claim 4, wherein: the mechanical cooling supplementing part comprises a mechanical cooling supplementing compressor (13), a mechanical cooling supplementing condenser (23) and a mechanical cooling supplementing evaporator (22).

6. The indirect evaporative cooling air conditioner-based data machine room waste heat recovery system according to claim 5, wherein: the data room (25) comprises a cabinet (9), a cold channel (10) and a hot channel (24).