CN214997841U - Energy recovery power generation system based on big data center liquid cooling medium - Google Patents

Abstract

The utility model discloses an energy recuperation power generation system based on big data center liquid cooling medium, including heat transfer unit and thermoelectric conversion unit, be provided with hot air transmission pipeline and cold air transmission pipeline between heat transfer unit and the thermoelectric conversion unit, the both ends of hot air transmission pipeline and the both ends of cold air transmission pipeline communicate with heat transfer unit and thermoelectric conversion unit respectively. The utility model discloses a liquid medium after will absorbing the heat with the air heat transfer in heat transfer unit, the air behind the heat transfer gets into and generates electricity in the thermoelectric conversion unit, and the refrigerated air carries out the circulation heating through cold air transmission pipeline reentrant heat transfer unit after the electricity generation and uses, finally realizes the energy recuperation of big data center liquid cooling medium and turn into the electric energy, has very big economic benefits and energy saving and emission reduction benefit in fact, reduces use cost.

Description

Energy recovery power generation system based on big data center liquid cooling medium

Technical Field

The utility model relates to an environmental protection technology field, concretely relates to energy recuperation power generation system based on big data center liquid cooling medium.

Background

A data processing center (data center) is a place where various electronic devices, especially computers and telecommunication server devices, are placed. The method is characterized in that a plurality of computers or telecommunication server devices are centralized to work together, the consumed energy is very large, and thousands of devices work together, the generated heat is very remarkable, so that the devices of a large data processing center need to be cooled to ensure the working efficiency, in the large data center, computer cooling modes such as excavation, media and communication of block chain virtual encryption currency such as bitcoin and the like are in transition from air cooling (air conditioning) to liquid medium cooling, but the liquid medium is not reused after absorbing heat, only natural cooling is utilized, energy is wasted, the cost is increased, and meanwhile, the energy saving and emission reduction targets are not realized, so that the device capable of efficiently converting the heat energy absorbed by the liquid cooling medium is provided under the specific conditions of the computer data center.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the energy of current big data center liquid cooling medium does not retrieve and causes the energy extravagant and use cost is high, and its aim at provides an energy recuperation power generation system based on big data center liquid cooling medium, and this system can realize the energy recuperation with big data center liquid cooling medium and turn into the electric energy, has very big economic benefits and energy saving and emission reduction benefit in fact, reduces use cost.

The utility model discloses a following technical scheme realizes: an energy recovery power generation system based on a large data center liquid cooling medium comprises a heat exchange unit and a thermoelectric conversion unit, wherein a hot air transmission pipeline and a cold air transmission pipeline are arranged between the heat exchange unit and the thermoelectric conversion unit, and two ends of the hot air transmission pipeline and two ends of the cold air transmission pipeline are respectively communicated with the heat exchange unit and the thermoelectric conversion unit. At present, a large amount of heat is generated in a large data processing center during working, which greatly affects the working efficiency of equipment, so that a cooling mode is always a research focus, the current cooling mode generally adopts two modes of gas cooling and liquid medium cooling, the gas cooling adopts cold air for cooling, generally adopts air conditioning refrigeration, the air needs to be cooled first, and actually needs to consume part of energy for refrigeration, so that the cost is relatively increased, the liquid medium cooling adopts a water cooling or oil cooling mode, the heat in the air is absorbed into the liquid medium by utilizing the heat absorption effect of the liquid medium, the liquid medium can wrap the equipment or is close to the equipment, so that the heat is absorbed by the liquid medium, the medium after heat absorption is naturally cooled, no excess energy is consumed, but the absorbed heat is not reused, in view of the increase that the current data center adopts the liquid medium as the cooling mode, the energy recovery technology of data centers also needs to be changed. The reason is that although the liquid refrigeration medium is more effective than the air medium in cooling, the heat absorbed by the liquid medium in cooling cannot be directly converted into electric energy, the recovered heat energy can be used in various ways, and the conversion of the recovered heat energy into electric energy has great economic benefits and energy-saving and emission-reduction benefits for the computer processing center. The technical scheme includes that a heat exchange unit and a thermoelectric conversion unit are arranged, a hot air transmission pipeline and a cold air transmission pipeline are arranged between the heat exchange unit and the thermoelectric conversion unit, and two ends of the hot air transmission pipeline and two ends of the cold air transmission pipeline are respectively communicated with the heat exchange unit and the thermoelectric conversion unit. The liquid medium after absorbing heat exchanges heat with air in the heat exchange unit, the air after heat exchange enters the thermoelectric conversion unit for power generation, and the air cooled after power generation enters the heat exchange unit again through the cold air transmission pipeline for cyclic heating and use, so that the energy of the liquid cooling medium of the large data center is recovered and converted into electric energy, great economic benefit and energy-saving and emission-reduction benefit are realized, and the use cost is reduced. In the scheme, the heat exchange unit preferably adopts a heat pipe heat exchanger or a water source heat pump screw heat exchanger, and the heat exchange efficiency of the two heat exchangers is highest.

Further, the thermoelectric conversion unit comprises an expander and a generator, wherein a first end of the expander is connected with the hot air transmission pipeline, a second end of the expander is connected with the generator, and a third end of the expander is connected with the cold air transmission pipeline. The expansion machine and the generator both belong to the existing structure and can be directly purchased on the market, the turbine expansion machine is preferentially adopted in the scheme, the entering hot air can be utilized to expand and work to drive the generator to generate electricity, meanwhile, the hot air is cooled and converted into cold air to be recycled and used in the heat exchange unit for heat exchange, energy conservation and emission reduction are realized, and the cost is reduced. The cold air is dry air and is subjected to dehumidification and dust removal treatment.

Further, an air compressor is arranged in the thermoelectric conversion unit, and the air compressor is arranged at the joint of the cold air transmission pipeline and the thermoelectric conversion unit. Through setting up air compressor for the air flow is smooth and easy, can carry the reuse in the heat transfer unit with the air after the cooling, guarantees the gas flow efficiency.

Furthermore, the heat exchange unit comprises a heat exchange box, a liquid medium pipeline connected with the cooling system is arranged in the heat exchange box, and two ends of the liquid medium pipeline are respectively communicated with a liquid inlet and a liquid outlet of the cooling system after penetrating through the heat exchange box. The hot air transmission pipeline and the cold air transmission pipeline are respectively communicated with the heat exchange box, the hot air transmission pipeline is communicated with the top of the heat exchange box, and the cold air transmission pipeline is communicated with the bottom of the heat exchange box. During heat exchange, as the heat source is the liquid medium absorbing heat, in order to store liquid conveniently, the structure of the heat exchange box can be adopted, or the structure can be omitted, the mode of mutual contact of pipelines is directly adopted, the liquid medium absorbing heat is introduced into one pipeline, air is introduced into the other pipeline, the heat exchange is realized through mutual contact, and finally the liquid medium is cooled and the air is heated. The liquid medium and the air in the heat exchange unit are isolated and are not in direct contact.

Compared with the prior art, the utility model, following advantage and beneficial effect have: the utility model discloses a liquid medium after will absorbing the heat with the air heat transfer in heat transfer unit, the air behind the heat transfer gets into and generates electricity in the thermoelectric conversion unit, and the refrigerated air carries out the circulation heating through cold air transmission pipeline reentrant heat transfer unit after the electricity generation and uses, finally realizes the energy recuperation of big data center liquid cooling medium and turn into the electric energy, has very big economic benefits and energy saving and emission reduction benefit in fact, reduces use cost.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Reference numbers and corresponding part names in the drawings:

the method comprises the following steps of 1-cold liquid medium pipeline, 2-hot air transmission pipeline, 3-thermoelectric conversion unit, 4-cold air transmission pipeline, 5-heat exchange unit, 6-hot liquid medium pipeline and 7-cooling system.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1

As shown in fig. 1, an energy recovery power generation system based on a liquid cooling medium of a large data center comprises a heat exchange unit 5 and a thermoelectric conversion unit 3, a hot air transmission pipeline 2 and a cold air transmission pipeline 4 are arranged between the heat exchange unit 5 and the thermoelectric conversion unit 3, and two ends of the hot air transmission pipeline 2 and two ends of the cold air transmission pipeline 4 are respectively communicated with the heat exchange unit 5 and the thermoelectric conversion unit 3. The thermoelectric conversion unit 3 comprises an expander and a generator, wherein a first end of the expander is connected with the hot air transmission pipeline 2, a second end of the expander is connected with the generator, and a third end of the expander is connected with the cold air transmission pipeline 4. An air compressor is provided in the thermoelectric conversion unit 3, and the air compressor is provided at the junction of the cold air transport duct 4 and the thermoelectric conversion unit 3. The heat exchange unit 5 comprises a heat exchange box, a liquid medium pipeline connected with the cooling system 7 is arranged in the heat exchange box, for convenience of description, the liquid medium pipeline is divided into a cold liquid medium pipeline 1 and a hot liquid medium pipeline 6, one end of the cold liquid medium pipeline 1 is communicated with the heat exchange box, the other end of the cold liquid medium pipeline is communicated with a liquid inlet of the cooling system 7, one end of the hot liquid medium pipeline 6 is communicated with the heat exchange box, and the other end of the hot liquid medium pipeline is communicated with a liquid outlet of the cooling system 7. The hot air transmission pipeline 2 and the cold air transmission pipeline 4 are respectively communicated with the heat exchange box, the hot air transmission pipeline 2 is communicated with the top of the heat exchange box, and the cold air transmission pipeline 4 is communicated with the bottom of the heat exchange box.

The principle of the utility model is as follows:

the liquid cooling medium which absorbs heat from the cooling system 7 enters the heat exchange box through the hot liquid medium pipeline 6, the cold air in the cold air transmission pipeline 4 also enters the air cavity in the heat exchange box, because the liquid cooling medium which absorbs heat exists in the heat exchange box at the moment, the liquid cooling medium can carry out heat exchange on the cold air to heat the cold air into hot air, the heated hot air enters the turbine expander in the heat exchange unit 5 through the hot air transmission pipeline 2 to be expanded, the heat energy is released in the expander to be converted into mechanical work, the generator is driven to generate electricity to complete thermoelectric conversion, the hot air which releases the heat energy is converted into cold air, under the pressure of the compressor, the cold air enters the air cavity of the heat exchange box again from the cold air transmission pipeline 4, the liquid cooling medium in the heat exchange box is cooled after heat exchange, and enters the cooling system 7 again through the cold liquid medium pipeline 1 to work to complete the circulation action, and finally, the energy of the liquid cooling medium of the large data center is recovered and converted into electric energy, so that great economic benefits and energy-saving and emission-reducing benefits are realized, and the use cost is reduced.

Example 2

As shown in fig. 1, the present embodiment has substantially the same structure as embodiment 1, except that: the heat exchange unit 5 does not adopt a heat exchange box, but adopts pipeline contact, at the moment, the hot air transmission pipeline 2 and the cold air transmission pipeline 4 are communicated, the cold liquid medium pipeline 1 and the hot liquid medium pipeline 6 are also communicated, the inner wall surfaces of a section of length range of the joint are contacted, heat exchange is realized, heat exchange is completed, and finally, the energy recovery of the liquid cooling medium of the large data center is realized and converted into electric energy by combining an expander and a generator in the thermoelectric conversion unit 3, so that great economic benefit and energy-saving and emission-reduction benefit are realized, and the use cost is reduced.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (5)

1. The energy recovery power generation system based on the liquid cooling medium of the large data center is characterized by comprising a heat exchange unit (5) and a thermoelectric conversion unit (3), wherein a hot air transmission pipeline (2) and a cold air transmission pipeline (4) are arranged between the heat exchange unit (5) and the thermoelectric conversion unit (3), and two ends of the hot air transmission pipeline (2) and two ends of the cold air transmission pipeline (4) are respectively communicated with the heat exchange unit (5) and the thermoelectric conversion unit (3).

2. The energy recovery power generation system based on the large data center liquid cooling medium according to claim 1, characterized in that the thermoelectric conversion unit (3) comprises an expander and a generator, wherein a first end of the expander is connected with the hot air transmission pipeline (2), a second end of the expander is connected with the generator, and a third end of the expander is connected with the cold air transmission pipeline (4).

3. The energy recovery power generation system based on the large data center liquid cooling medium according to claim 1, characterized in that an air compressor is arranged in the thermoelectric conversion unit (3), and the air compressor is arranged at the connection position of the cold air transmission pipeline (4) and the thermoelectric conversion unit (3).

4. The energy recovery power generation system based on the big data center liquid cooling medium as claimed in claim 1, wherein the heat exchange unit (5) comprises a heat exchange box, a liquid medium pipeline connected with the cooling system (7) is arranged in the heat exchange box, and the two ends of the liquid medium pipeline passing through the heat exchange box are respectively communicated with the liquid inlet and the liquid outlet of the cooling system (7).

5. The energy recovery power generation system based on the large data center liquid cooling medium according to claim 4, characterized in that the hot air transmission pipeline (2) and the cold air transmission pipeline (4) are respectively communicated with the heat exchange box, the hot air transmission pipeline (2) is communicated with the top of the heat exchange box, and the cold air transmission pipeline (4) is communicated with the bottom of the heat exchange box.

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