CN110847993A - Power generation system based on server - Google Patents
Power generation system based on server Download PDFInfo
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- CN110847993A CN110847993A CN201911036893.4A CN201911036893A CN110847993A CN 110847993 A CN110847993 A CN 110847993A CN 201911036893 A CN201911036893 A CN 201911036893A CN 110847993 A CN110847993 A CN 110847993A
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- Prior art keywords
- heat
- server
- power generation
- generation system
- heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
- F01K27/02—Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Sustainable Development (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a power generation system based on a server, which comprises two subsystems: the system comprises a heat collecting system for collecting the residual heat of the server and an organic Rankine cycle power generation system for converting the residual heat of the server collected by the heat collecting system into electric energy. The heat collecting system for collecting the residual heat of the server comprises a heat-radiating server and a heat pipe. The organic Rankine cycle power generation system comprises a heat exchanger, a first thermometer, a first pressure gauge, an expander, a power generator, a condensation heat exchanger, a cooling working medium loop, a valve, a second pressure gauge, a second thermometer and a throttle valve. Compared with the prior art, the invention recycles the waste heat of the server and does not directly transfer and discharge the waste heat to the atmospheric environment, thereby recycling the low-temperature waste heat, reducing the energy waste, improving the energy utilization rate of the system, reducing the waste heat discharge temperature and reducing the environmental heat pollution.
Description
Technical Field
The invention relates to a power generation system based on a server, and belongs to the technical field of medium and low temperature heat energy utilization.
Background
With the development of science and technology, the scale of the data center, the power and the density of the cabinet are continuously increased, the heat dissipation capacity and the heat dissipation density of the data center are rapidly increased, and the heat dissipation problem of the data center is more and more concerned. The heat dissipation of a large number of data centers not only affects the working efficiency of data center servers, but also causes environmental heat pollution and waste of heat energy resources, which is contrary to the purposes of improving the energy utilization rate and saving energy, and protecting the environment and reducing emission.
Waste heat recycling is an effective way for improving the effective utilization of energy, and an organic Rankine cycle system is a promising technology for recycling low-grade heat energy. The waste heat utilization and the organic Rankine cycle technology are combined, so that the energy utilization efficiency can be improved, the environmental pollution can be reduced, and the energy conservation and emission reduction can be realized.
At present, the heat dissipation of a data center server mainly adopts air cooling and liquid indirect cooling modes of an air conditioning system, so that the heat dissipation of the server is transferred to the environment, and the heat dissipation is not effectively utilized.
Disclosure of Invention
The invention aims to overcome the problem of insufficient utilization of waste heat of the existing server, fully utilize the heat dissipation of the server, release the waste heat of the server to organic working media in an organic Rankine cycle system by using a heat pipe technology or collecting the waste heat through a back plate type heat exchanger, and enable the organic working media subjected to phase change to enter an expansion machine through a gaseous pipeline for acting, so that the energy utilization rate is improved, the final heat dissipation temperature is reduced, the energy utilization rate is improved, and the heat emission is reduced. Therefore, the technical scheme adopted by the invention is as follows:
the server-based power generation system comprises a heat collecting system for collecting the residual heat of the server and an organic Rankine cycle power generation system for converting the residual heat of the server collected by the heat collecting system into electric energy.
Furthermore, the heat collecting system comprises a plurality of heat pipes laid in the server cabinet, each heat pipe comprises a pipe shell, a liquid absorbing core tightly attached to the inner wall of the pipe shell and an end cover, and the inside of each heat pipe is drawn to be 1.3 multiplied by 10-1~-4Filling a phase change working medium after the negative pressure of Pa, and sealing after the capillary porous material of the liquid absorption core is filled with the phase change working medium; one end of the heat pipe in the server cabinet is a hot end, the other end of the heat pipe outside the server cabinet is a cold end, and the cold end of the heat pipe is inserted into the heat exchanger.
Further, the phase change medium is liquid methanol.
Further, the heat pipe is replaced with a back plate heat exchanger.
Further, the organic Rankine cycle power generation system comprises a heat exchanger, an expander and a generator, wherein an outlet of the heat exchanger is connected with an inlet of the expander through a gas-phase pipeline, an outlet of the expander is connected with an inlet of the heat exchanger through a liquid-phase pipeline, organic working media are filled in a coil pipe, the gas-phase pipeline and the liquid-phase pipeline of the heat exchanger, and an output shaft of the expander is connected with an input shaft of the generator.
The heat exchanger also comprises a cooling working medium loop, a first pressure gauge and a first temperature gauge are arranged on the gas phase pipeline, a second pressure gauge, a second temperature gauge and a throttle valve are arranged on the liquid phase pipeline, and a valve is arranged on the cooling working medium loop.
Further, the organic working fluid is R245fa or R227ea or R134 a.
Further, the expander is a screw expander.
Compared with the prior art, the invention recycles the waste heat of the server and does not directly transfer and discharge the waste heat to the atmospheric environment, thereby recycling the low-temperature waste heat, reducing the energy waste, improving the energy utilization rate of the system, reducing the waste heat discharge temperature and reducing the environmental heat pollution.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
Embodiment 1, a server-based power generation system as shown in fig. 1 includes a heat collecting system a for collecting waste heat of a server, and an organic rankine cycle power generation system B for converting the waste heat of the server collected by the heat collecting system a into electric energy. The heat collecting system A comprises a plurality of heat pipes 3-1, 3-2 and 3-3 … 3-n laid in the server cabinet, each heat pipe comprises a pipe shell, a liquid absorbing core tightly attached to the inner wall of the pipe shell and an end cover, and the inside of each heat pipe is drawn to be 1.3 multiplied by 10-1~-4Filling a phase change working medium after the negative pressure of Pa, and sealing after the capillary porous material of the liquid absorption core is filled with the phase change working medium; one end of the heat pipe in the server cabinet is a hot end 2, the other end of the heat pipe outside the server cabinet is a cold end 4, and the cold end 4 of the heat pipe is inserted into a heat exchanger 5. The phase change medium is liquid methanol. The organic Rankine cycle power generation system B comprises a heat exchanger 5, an expander 9 and a generator 10, wherein an outlet of the heat exchanger 5 is connected with an inlet of the expander 9 through a gas-phase pipeline 6, an outlet of the expander 9 is connected with an inlet of the heat exchanger 5 through a liquid-phase pipeline 15, and a coil of the heat exchanger 5, the gas-phase pipeline 6 and the liquid-phase pipeline 15 are filled with organic working media. The output shaft of the expander 9 is connected to the input shaft of the generator 10. The expander 9 is a screw expander.
Embodiment 2 is otherwise the same as embodiment 1 except that it further comprises a condensation heat exchanger 11 connected in series between the expander 9 and the heat exchanger 5, the condensation heat exchanger 11 further comprises a cooling medium circuit 12, a first temperature gauge 7 and a first pressure gauge 8 are installed on the gas phase line 6, a second pressure gauge 14 and a second temperature gauge 16 and a throttle valve 17 are installed on the liquid phase line 15, and a valve 13 is installed on the cooling medium circuit 12. The heat pipes are replaced with a back plate heat exchanger.
The heat pipe is laid in the server cabinet, the working medium in the heat pipe absorbs heat emitted by the server chip at the hot end 2 of the heat pipe, the heat is vaporized into steam to enter the cold end 4 of the heat pipe, and the heat is transmitted to the second part of the organic Rankine cycle part of the system through the heat exchanger 5. Working medium in the cold end 4 of the heat pipe losing heat returns to the hot end 2 of the heat pipe to repeatedly absorb heat under the action of the capillary liquid absorption core in the heat pipe, and circulation is completed.
The working medium in the organic Rankine cycle power generation system B is an organic working medium, the flowing organic working medium absorbs the heat of the cold end 4 of the heat pipe in the heat exchanger 5, the liquid state is changed into a gaseous state, the gaseous state enters the expander 9 through the gas pipeline 6 to do work, and the generator 10 is driven to generate power. A first temperature gauge 7 and a first pressure gauge 8 are used to measure the pressure and temperature of the organic working fluid entering the expander 9. Furthermore, the flow of the organic working medium in the second part can be changed by adjusting the throttle valve 17, and the pressure and temperature of the organic working medium entering the expansion machine 9 can be adjusted.
The condensing heat exchanger 11 is used for further reducing the temperature of the organic working medium at the outlet of the expansion machine 9, and the heat exchange can be carried out by cooling with cooling water or by cooling with forced convection air. The latter is less effective than the former. The latter will have server local hot spots. The condensing heat exchanger 11 makes the organic working medium with lower temperature enter the heat exchanger 5 to absorb more heat of the cold end 4 of the heat pipe.
The valve 13 in the system is used for adjusting the flow of the working medium in the cooling working medium loop 12, the opening degree of the valve 13 is adjusted through monitoring of the second thermometer 16, and the temperature of the organic working medium in the organic Rankine cycle at the outlet of the condensation heat exchanger 11 is adjusted.
The second pressure gauge 14 and the second temperature gauge 16 are used for measuring the temperature and the pressure at the outlet of the condensing heat exchanger 11, so that the pressure of the organic working medium entering the heat exchanger 5 can be adjusted by adjusting the throttle valve 17, and the flow of the cooling medium can be adjusted by adjusting the throttle valve 17.
In the invention, the heat pipe is adopted to collect the heat radiation of the server chip, the heat collecting system A is coupled with the organic Rankine cycle power generation system B to form a set of complete server waste heat recycling power generation system, the pressure and the temperature at multiple positions in the pipeline are monitored in the system, and the regulation of the flow, the pressure and the temperature of an organic working medium in the system is realized through the cooperation with the throttle valve 17, so that a set of server waste heat recycling organic Rankine cycle power generation system which fully utilizes the waste heat of the low-temperature heat source server and improves the energy utilization rate is formed.
It is understood that other derivative systems made by those skilled in the art in light of the teachings of the present server-based organic rankine cycle power generation system are within the scope of the present invention.
Claims (8)
1. A server-based power generation system comprises a heat collection system (A) for collecting server waste heat, and an organic Rankine cycle power generation system (B) for converting the server waste heat collected by the heat collection system (A) into electric energy.
2. A server-based power generation system according to claim 1, wherein: the heat collecting system (A) comprises a plurality of heat pipes (3-1, 3-2, 3-3 … 3-n) laid in the server cabinet, each heat pipe comprises a pipe shell, a liquid absorbing core tightly attached to the inner wall of the pipe shell and an end cover, and the inside of each heat pipe is drawn to be 1.3 multiplied by 10-1~-4Filling a phase change working medium after the negative pressure of Pa, and sealing after the capillary porous material of the liquid absorption core is filled with the phase change working medium; one end of the heat pipe in the server cabinet is a hot end (2), one end of the heat pipe outside the server cabinet is a cold end (4), and the cold end (4) of the heat pipe is inserted into the heat exchanger (5).
3. A server-based power generation system according to claim 2, wherein: the phase change medium is liquid methanol.
4. A server-based power generation system according to claim 2, wherein: the heat pipes are replaced with a back plate heat exchanger.
5. A server-based power generation system according to claim 1, wherein: the organic Rankine cycle power generation system (B) comprises a heat exchanger (5), an expander (9) and a generator (10), wherein an outlet of the heat exchanger (5) is connected with an inlet of the expander (9) through a gas phase pipeline (6), an outlet of the expander (9) is connected with an inlet of the heat exchanger (5) through a liquid phase pipeline (15), organic working media flow in a coil of the heat exchanger (5), the gas phase pipeline (6) and the liquid phase pipeline (15), and an output shaft of the expander (9) is connected with an input shaft of the generator (10).
6. A server-based power generation system according to claim 5, wherein: the heat exchanger (11) is connected between the expansion machine (9) and the heat exchanger (5) in series, the heat exchanger (11) also comprises a cooling working medium loop (12), a first thermometer (7) and a first pressure gauge (8) are installed on the gas phase pipeline (6), a second pressure gauge (14), a second thermometer (16) and a throttle valve (17) are installed on the liquid phase pipeline (15), and a valve (13) is installed on the cooling working medium loop (12).
7. A server-based power generation system according to claim 5, wherein: the organic working fluid is R245fa or R227ea or R134 a.
8. A server-based power generation system according to claim 5, wherein: the expander (9) is a screw expander.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911036893.4A CN110847993A (en) | 2019-10-29 | 2019-10-29 | Power generation system based on server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911036893.4A CN110847993A (en) | 2019-10-29 | 2019-10-29 | Power generation system based on server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110847993A true CN110847993A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911036893.4A Withdrawn CN110847993A (en) | 2019-10-29 | 2019-10-29 | Power generation system based on server |
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| Country | Link |
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| CN (1) | CN110847993A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253969A1 (en) * | 2020-06-18 | 2021-12-23 | 华为技术有限公司 | Power generation system and power generation method |
| WO2023040186A1 (en) * | 2021-09-18 | 2023-03-23 | 成都佳灵绿色能源有限责任公司 | Zero-carbon data center cold power system and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817657A (en) * | 2012-09-12 | 2012-12-12 | 重庆大学 | Heat pipe technology based organic Rankine cycle low-temperature exhaust heat power generating system |
| CN104234763A (en) * | 2014-04-14 | 2014-12-24 | 天津市职业大学 | Organic Rankine cycle system recovering waste heat through heat pipe technology |
| CN208269107U (en) * | 2017-12-31 | 2018-12-21 | 微特博（天津）新能源科技有限公司 | A kind of multiply flue gas waste heat recovery electricity generation system |
| CN109496110A (en) * | 2018-12-13 | 2019-03-19 | 中国航天空气动力技术研究院 | A kind of data center heat dissipation system of loop circuit heat pipe and refrigerating circulation direct connection |
-
2019
- 2019-10-29 CN CN201911036893.4A patent/CN110847993A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817657A (en) * | 2012-09-12 | 2012-12-12 | 重庆大学 | Heat pipe technology based organic Rankine cycle low-temperature exhaust heat power generating system |
| CN104234763A (en) * | 2014-04-14 | 2014-12-24 | 天津市职业大学 | Organic Rankine cycle system recovering waste heat through heat pipe technology |
| CN208269107U (en) * | 2017-12-31 | 2018-12-21 | 微特博（天津）新能源科技有限公司 | A kind of multiply flue gas waste heat recovery electricity generation system |
| CN109496110A (en) * | 2018-12-13 | 2019-03-19 | 中国航天空气动力技术研究院 | A kind of data center heat dissipation system of loop circuit heat pipe and refrigerating circulation direct connection |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253969A1 (en) * | 2020-06-18 | 2021-12-23 | 华为技术有限公司 | Power generation system and power generation method |
| WO2023040186A1 (en) * | 2021-09-18 | 2023-03-23 | 成都佳灵绿色能源有限责任公司 | Zero-carbon data center cold power system and application |
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Application publication date: 20200228 |