CN104064280A - Superconducting cable circulating cooling system - Google Patents
Superconducting cable circulating cooling system Download PDFInfo
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- CN104064280A CN104064280A CN201410261225.2A CN201410261225A CN104064280A CN 104064280 A CN104064280 A CN 104064280A CN 201410261225 A CN201410261225 A CN 201410261225A CN 104064280 A CN104064280 A CN 104064280A
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- liquid nitrogen
- cooling system
- circulating cooling
- ice chest
- pipeline
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Abstract
The invention discloses a superconducting cable circulating cooling system which comprises a supercooling box and a refrigerating machine. The superconducting cable circulating cooling system is characterized by further comprising a liquid nitrogen storage trough, a liquid nitrogen pump box and a liquid nitrogen pump, the liquid nitrogen storage trough is respectively connected with the supercooling box and the liquid nitrogen pump box through pipelines, the refrigerating machine is connected with the supercooling box, the liquid nitrogen pump used for providing energy needed by circulating flow of liquid nitrogen is connected in the liquid nitrogen pump box, end sockets communicated with a liquid nitrogen channel of a cable body are arranged on the two sides of the cable body respectively, the end socket on one side is connected with the supercooling box through a pipeline, and the end socket on the other side is connected with the liquid nitrogen pump box through a pipeline. The superconducting cable circulating cooling system solves the problems that the open cooling mode that steam liquid nitrogen is directly discharged in the air is adopted in a cooling system, the cooling effect is poor, the utilization rate of the liquid nitrogen is low, the environment is prone to pollution, and environment friendliness is not achieved sufficiently. The superconducting cable circulating cooling system is convenient to use, capable of efficiently using the nitrogen in a circulating mode, good in cooling effect, high in efficiency and free of pollution.
Description
Technical field
The present invention relates to a kind of cooling system, particularly a kind of hyperconductive cable circulating cooling system.
Background technology
Cooling system is the important part of hyperconductive cable, the necessary condition that normal when operation hyperconductive cable of cooling system is incorporated into the power networks, current cooling system is that the liquid nitrogen of steam is directly discharged into the airborne open type of cooling, adopt this kind of mode cooling effect poor, liquid nitrogen utilization rate is also lower, simultaneously easy contaminated environment, environmental protection not.
Summary of the invention
That the liquid nitrogen of steam is directly discharged into the airborne open type of cooling in order to solve cooling system in prior art, adopt this kind of mode cooling effect poor, liquid nitrogen utilization rate is also lower, simultaneously easy contaminated environment, the not problem of environmental protection, the invention provides a kind of simple in structure, easy to use, can efficient circulation utilize nitrogen, good cooling results, efficiency is high, free of contamination hyperconductive cable circulating cooling system.
In order to address the above problem, the technical solution used in the present invention is:
A kind of hyperconductive cable circulating cooling system, comprised ice chest, refrigeration machine, it is characterized in that: also comprise liquid nitrogen storage tank, liquid nitrogen pump box and liquid nitrogen pump, described liquid nitrogen storage tank is connected with liquid nitrogen pump box with mistake ice chest by pipeline respectively, described refrigeration machine is connected with mistake ice chest, the liquid nitrogen pump that provides liquid nitrogen to circulate institute's energy requirement is provided in liquid nitrogen pump box, be respectively arranged with the termination connecting with the liquid nitrogen passage of cable body in the both sides of cable body, a described side head is connected with mistake ice chest by pipeline, described opposite side termination is connected with liquid nitrogen pump box by pipeline.
Aforesaid a kind of hyperconductive cable circulating cooling system, is characterized in that: excessively on ice chest, be also connected with vacuum pump by pipeline.
Aforesaid a kind of hyperconductive cable circulating cooling system, is characterized in that: on the pipeline being connected with in liquid nitrogen pump box and termination, be provided with flowmeter.
Aforesaid a kind of hyperconductive cable circulating cooling system, it is characterized in that: described mistake in ice chest is provided with coil exchanger, the liquid nitrogen inlet of described coil exchanger was positioned at the top of ice chest liquid nitrogen, and described coil exchanger liquid nitrogen liquid outlet was positioned at the bottom of ice chest liquid nitrogen.
Aforesaid a kind of hyperconductive cable circulating cooling system, is characterized in that: described coil exchanger adopts red copper material to make.
Aforesaid a kind of hyperconductive cable circulating cooling system, is characterized in that: described flowmeter adopts differential pressure flowmeter.
The beneficial effect that the present invention reaches is: hyperconductive cable circulating cooling system of the present invention, utilizes the uninterrupted circulation of nitrogen to ensure that hyperconductive cable is all the time in more stable, uniform low temperature environment.Liquid nitrogen is taken away during by cable body because A.C.power loss and thermostat leak the heat that heat produces, these heats raise liquid nitrogen temperature, when liquid nitrogen is by there being the crossing when ice chest of refrigeration machine, refrigeration machine will be taken away part heat and the temperature of liquid nitrogen is reduced from liquid nitrogen.The liquid nitrogen needed kinetic energy that obtains circulating in the time of the liquid nitrogen pump box by being equipped with liquid nitrogen pump, in liquid nitrogen constantly follows bad process, heat was transferred to ice chest from cable, by refrigeration machine, this part heat is removed, make cable conductor obtain a stable cold operation environment, result of use is better, and cooling effectiveness is higher.Simultaneously on the pipeline being connected with in liquid nitrogen pump box and termination, be provided with flowmeter, flowmeter can Real-Time Monitoring leads to the liquid nitrogen flow of cable body, handled easily personnel assessment and operating.
Brief description of the drawings
Fig. 1 is hyperconductive cable circulating cooling system structural representation.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, a kind of hyperconductive cable circulating cooling system, comprised ice chest 1, refrigeration machine 2, liquid nitrogen storage tank 3, liquid nitrogen pump box 4 and liquid nitrogen pump 5, described liquid nitrogen storage tank 3 is connected with liquid nitrogen pump box 4 with mistake ice chest 1 by pipeline respectively, described refrigeration machine 2 is connected with mistake ice chest 1, the liquid nitrogen pump 5 that provides liquid nitrogen to circulate institute's energy requirement is provided in liquid nitrogen pump box 4, be respectively arranged with the termination 7 connecting with the liquid nitrogen passage of cable body 6 in the both sides of cable body 6, a described side head 7 is connected with mistake ice chest 1 by pipeline, described opposite side termination 7 is connected with liquid nitrogen pump box 4 by pipeline.Excessively on ice chest 1, be also connected with vacuum pump 8 by pipeline.On the pipeline being connected with in liquid nitrogen pump box 4 and termination 7, be provided with flowmeter 9.The described ice chest interior 1 of crossing is provided with coil exchanger, the liquid nitrogen inlet of coil exchanger of the present invention was positioned at the top of ice chest 1 liquid nitrogen, described coil exchanger liquid nitrogen liquid outlet was positioned at the bottom of ice chest 1 liquid nitrogen, the liquid nitrogen that flows enters from top, flow out bottom, can avoid like this ice chest heat transfer temperature difference larger, further improve heat exchange efficiency.Described coil exchanger adopts red copper material to make, and heat transfer effect is better, easy to use.Described flowmeter adopts differential pressure flowmeter, and differential pressure flowmeter range of application is extensive especially.In the flow measurement of closed conduct, various objects have application.
In sum, hyperconductive cable circulating cooling system of the present invention, utilizes the uninterrupted circulation of nitrogen to ensure that hyperconductive cable is all the time in more stable, uniform low temperature environment.Liquid nitrogen is taken away during by cable body 6 because A.C.power loss and thermostat leak the heat that heat produces, these heats raise liquid nitrogen temperature, when liquid nitrogen is by there being the crossing when ice chest of refrigeration machine, refrigeration machine will be taken away part heat and the temperature of liquid nitrogen is reduced from liquid nitrogen.The liquid nitrogen needed kinetic energy that obtains circulating in the time of the liquid nitrogen pump box 4 by being equipped with liquid nitrogen pump 5, in liquid nitrogen 5 constantly follows bad process, heat was transferred to ice chest 1 from cable, by refrigeration machine 2, this part heat is removed, make cable conductor obtain a stable cold operation environment, result of use is better, and cooling effectiveness is higher.Simultaneously on the pipeline being connected with in liquid nitrogen pump box 4 and termination 7, be provided with flowmeter 9, flowmeter 9 can Real-Time Monitoring leads to the liquid nitrogen flow of cable body 6, handled easily personnel assessment and operation.
More than show and described general principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. a hyperconductive cable circulating cooling system, comprised ice chest, refrigeration machine, it is characterized in that: also comprise liquid nitrogen storage tank, liquid nitrogen pump box and liquid nitrogen pump, described liquid nitrogen storage tank is connected with liquid nitrogen pump box with mistake ice chest by pipeline respectively, described refrigeration machine is connected with mistake ice chest, the liquid nitrogen pump that provides liquid nitrogen to circulate institute's energy requirement is provided in liquid nitrogen pump box, be respectively arranged with the termination connecting with the liquid nitrogen passage of cable body in the both sides of cable body, a described side head is connected with mistake ice chest by pipeline, described opposite side termination is connected with liquid nitrogen pump box by pipeline.
2. a kind of hyperconductive cable circulating cooling system according to claim 1, is characterized in that: excessively on ice chest, be also connected with vacuum pump by pipeline.
3. a kind of hyperconductive cable circulating cooling system according to claim 2, is characterized in that: on the pipeline being connected with in liquid nitrogen pump box and termination, be provided with flowmeter.
4. a kind of hyperconductive cable circulating cooling system according to claim 3, it is characterized in that: described mistake in ice chest is provided with coil exchanger, the liquid nitrogen inlet of described coil exchanger was positioned at the top of ice chest liquid nitrogen, and described coil exchanger liquid nitrogen liquid outlet was positioned at the bottom of ice chest liquid nitrogen.
5. a kind of hyperconductive cable circulating cooling system according to claim 4, is characterized in that: described coil exchanger adopts red copper material to make.
6. a kind of hyperconductive cable circulating cooling system according to claim 5, is characterized in that: described flowmeter adopts differential pressure flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261225.2A CN104064280A (en) | 2014-06-13 | 2014-06-13 | Superconducting cable circulating cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261225.2A CN104064280A (en) | 2014-06-13 | 2014-06-13 | Superconducting cable circulating cooling system |
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| CN104064280A true CN104064280A (en) | 2014-09-24 |
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| CN201410261225.2A Pending CN104064280A (en) | 2014-06-13 | 2014-06-13 | Superconducting cable circulating cooling system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538114A (en) * | 2014-12-12 | 2015-04-22 | 王凡业 | Overcooling box of superconducting cable cooling system |
| CN105355319A (en) * | 2015-12-03 | 2016-02-24 | 中国电力科学研究院 | Cryostat for superconducting cable |
| CN106455178A (en) * | 2016-10-21 | 2017-02-22 | 广东合新材料研究院有限公司 | Closed liquid nitrogen self-circulation rapid cooling system |
| CN108562085A (en) * | 2018-04-13 | 2018-09-21 | 杭州杭氧股份有限公司 | A kind of device and method using normal pressure overfreezing liquid nitrogen cooling high-temperature superconducting element |
| CN109297254A (en) * | 2018-09-10 | 2019-02-01 | 成都深冷液化设备股份有限公司 | Using low temperature refrigerator group as the charging cable gas circulating cooling method of cold source |
| CN112447328A (en) * | 2020-11-18 | 2021-03-05 | 富通集团（天津）超导技术应用有限公司 | Automatic slag removal device, system and method in flowing liquid |
| CN112503837A (en) * | 2020-12-10 | 2021-03-16 | 深圳供电局有限公司 | Compact refrigeration equipment |
| CN112542271A (en) * | 2020-12-10 | 2021-03-23 | 深圳供电局有限公司 | Liquid nitrogen cooling circulation system |
| WO2022077568A1 (en) * | 2020-10-14 | 2022-04-21 | 深圳供电局有限公司 | Single-ended downstream refrigerating system for superconducting cable |
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| CN2767916Y (en) * | 2005-01-28 | 2006-03-29 | 中国科学院理化技术研究所 | Super-cooling liquefied nitrogen circulation cooling apparatus for cooling high temperature superconducting cable |
| CN1942979A (en) * | 2005-02-18 | 2007-04-04 | 住友电气工业株式会社 | Circulation cooling system for cryogenic cable |
| CN102881381A (en) * | 2012-09-27 | 2013-01-16 | 张家港韩中深冷科技有限公司 | Superconducting cable cooling system |
| CN103262179A (en) * | 2011-02-25 | 2013-08-21 | 株式会社前川制作所 | Superconducting cable cooling system |
| CN204010821U (en) * | 2014-06-13 | 2014-12-10 | 苏州华徕光电仪器有限公司 | A kind of hyperconductive cable circulating cooling system |
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2014
- 2014-06-13 CN CN201410261225.2A patent/CN104064280A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2767916Y (en) * | 2005-01-28 | 2006-03-29 | 中国科学院理化技术研究所 | Super-cooling liquefied nitrogen circulation cooling apparatus for cooling high temperature superconducting cable |
| CN1942979A (en) * | 2005-02-18 | 2007-04-04 | 住友电气工业株式会社 | Circulation cooling system for cryogenic cable |
| CN103262179A (en) * | 2011-02-25 | 2013-08-21 | 株式会社前川制作所 | Superconducting cable cooling system |
| CN102881381A (en) * | 2012-09-27 | 2013-01-16 | 张家港韩中深冷科技有限公司 | Superconducting cable cooling system |
| CN204010821U (en) * | 2014-06-13 | 2014-12-10 | 苏州华徕光电仪器有限公司 | A kind of hyperconductive cable circulating cooling system |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538114A (en) * | 2014-12-12 | 2015-04-22 | 王凡业 | Overcooling box of superconducting cable cooling system |
| CN105355319A (en) * | 2015-12-03 | 2016-02-24 | 中国电力科学研究院 | Cryostat for superconducting cable |
| CN106455178A (en) * | 2016-10-21 | 2017-02-22 | 广东合新材料研究院有限公司 | Closed liquid nitrogen self-circulation rapid cooling system |
| CN106455178B (en) * | 2016-10-21 | 2019-04-19 | 广东合一新材料研究院有限公司 | A kind of closed liquid nitrogen self-loopa rapid cooling system |
| CN108562085A (en) * | 2018-04-13 | 2018-09-21 | 杭州杭氧股份有限公司 | A kind of device and method using normal pressure overfreezing liquid nitrogen cooling high-temperature superconducting element |
| CN108562085B (en) * | 2018-04-13 | 2020-10-27 | 杭州制氧机集团股份有限公司 | Device and method for cooling high-temperature superconducting element by using normal-pressure super-cooling liquid nitrogen |
| CN109297254A (en) * | 2018-09-10 | 2019-02-01 | 成都深冷液化设备股份有限公司 | Using low temperature refrigerator group as the charging cable gas circulating cooling method of cold source |
| WO2022077568A1 (en) * | 2020-10-14 | 2022-04-21 | 深圳供电局有限公司 | Single-ended downstream refrigerating system for superconducting cable |
| CN112447328A (en) * | 2020-11-18 | 2021-03-05 | 富通集团（天津）超导技术应用有限公司 | Automatic slag removal device, system and method in flowing liquid |
| CN112503837A (en) * | 2020-12-10 | 2021-03-16 | 深圳供电局有限公司 | Compact refrigeration equipment |
| CN112542271A (en) * | 2020-12-10 | 2021-03-23 | 深圳供电局有限公司 | Liquid nitrogen cooling circulation system |
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Application publication date: 20140924 |