CN104064279A - Cooling system for cold insulation superconducting cable - Google Patents
Cooling system for cold insulation superconducting cable Download PDFInfo
- Publication number
- CN104064279A CN104064279A CN201410261222.9A CN201410261222A CN104064279A CN 104064279 A CN104064279 A CN 104064279A CN 201410261222 A CN201410261222 A CN 201410261222A CN 104064279 A CN104064279 A CN 104064279A
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- China
- Prior art keywords
- liquid nitrogen
- ice chest
- cooling system
- cold insulation
- hyperconductive cable
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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 cooling system for a cold insulation superconducting cable. The cooling system comprises a liquid nitrogen storage tank. The cooling system is characterized by further comprising a refrigerating machine, a supercooling box, a pumpdown device and vacuum insulation liquid nitrogen pipelines. Liquid nitrogen is arranged inside the supercooling box. The temperature of the liquid nitrogen inside the supercooling box is controlled by the refrigerating machine. A liquid nitrogen pump used for supplying liquid nitrogen circulation power is connected to the supercooling box. A liquid inlet and a liquid outlet of the supercooling box are connected with the superconducting cable through the vacuum insulation liquid nitrogen pipelines. The liquid nitrogen storage tank is connected with the vacuum insulation liquid nitrogen pipeline which is connected with the liquid inlet through a pipeline in a mutual communication mode. A coiled pipe heat exchanger is arranged inside the supercooling box. The pumpdown device makes contact with the liquid nitrogen inside the supercooling box through a pipeline. A nitrogen discharge outlet is formed in the supercooling box. The cooling system for the cold insulation superconducting cable is simple in structure, convenient to use, and capable of realizing heat exchange circular integration.
Description
Technical field
The present invention relates to a kind of cooling system, particularly a kind of cooling system of cold insulation hyperconductive cable.
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 hyperconductive cable cooling system divides mistake ice chest and pump box to be arranged, and takes up room larger, uses inconvenience, and production cost is higher.
Summary of the invention
In order to solve in prior art hyperconductive cable cooling system, mistake ice chest and pump box are divided and be arranged, take up room larger, use inconvenience, the problem that production cost is higher, the invention provides a kind of simple in structure, easy to use, realize the cooling system of the cold insulation hyperconductive cable of heat exchange circular integration.
In order to address the above problem, the technical solution used in the present invention is:
A kind of cooling system of cold insulation hyperconductive cable, comprise liquid nitrogen storage tank, it is characterized in that: also comprise refrigeration machine, cross ice chest, find time pressure regulating equipment and vacuum insulation liquid nitrogen pipes, in crossing ice chest, be provided with liquid nitrogen, described refrigeration machine was controlled the temperature of the liquid nitrogen of ice chest, described mistake on ice chest is connected with the liquid nitrogen pump that liquid nitrogen circulation power is provided, the described inlet of crossing ice chest is connected with hyperconductive cable by vacuum insulation liquid nitrogen pipes respectively with liquid outlet, the vacuum insulation liquid nitrogen pipes that described liquid nitrogen storage tank is connected with inlet by pipeline connects with each other, described mistake in ice chest is provided with coil exchanger, the described pressure regulating equipment of finding time contacts with the liquid nitrogen of crossing ice chest by pipeline, excessively on ice chest, be provided with nitrogen discharge outlet.
The cooling system of aforementioned a kind of cold insulation hyperconductive cable, is characterized in that: in the vacuum insulation liquid nitrogen pipes being connected with liquid outlet, be connected with a return line that led to liquid nitrogen in ice chest, be provided with valve on return line.
The cooling system of aforementioned a kind of cold insulation hyperconductive cable, is characterized in that: on vacuumizing pressure regulating equipment and crossing the pipeline that ice chest is connected, be provided with Pressure gauge.
The cooling system of aforementioned a kind of cold insulation hyperconductive cable, is characterized in that: on vacuumizing pressure regulating equipment and crossing the pipeline that ice chest is connected, be provided with control valve.
The cooling system of aforementioned a kind of cold insulation hyperconductive cable, is characterized in that: described coil exchanger adopts red copper material to make.
The cooling system of aforementioned a kind of cold insulation hyperconductive cable, is characterized in that: on liquid nitrogen storage tank, be provided with inlet.
The beneficial effect that the present invention reaches: the cooling system of cold insulation hyperconductive cable of the present invention, described refrigeration machine was controlled the temperature of the liquid nitrogen of ice chest, described mistake on ice chest is connected with the liquid nitrogen pump that liquid nitrogen circulation power is provided, the present invention crosses ice chest and can realize heat exchange and the multi-functionals such as power are provided, easy to use, floor space is little, and production cost is low.By refrigeration machine and the pressure regulating equipment of finding time, reduced I include in of liquid nitrogen in ice chest, thus cooling liquid nitrogen mobile in system.The present invention is being provided with nitrogen discharge outlet on ice chest excessively, and such ice chest of crossing, also as cable circulating liquid nitrogen discharge-channel, is exported circulating liquid nitrogen in cable is discharged in air by nitrogen discharge.
Accompanying drawing explanation
Fig. 1 is the cooling system structure schematic diagram of cold insulation hyperconductive cable.
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 cooling system of cold insulation hyperconductive cable, comprise liquid nitrogen storage tank, refrigeration machine, cross ice chest, find time pressure regulating equipment and vacuum insulation liquid nitrogen pipes, in crossing ice chest, be provided with liquid nitrogen, described refrigeration machine was controlled the temperature of the liquid nitrogen of ice chest, described mistake on ice chest is connected with the liquid nitrogen pump that liquid nitrogen circulation power is provided, the described inlet of crossing ice chest is connected with hyperconductive cable by vacuum insulation liquid nitrogen pipes respectively with liquid outlet, the vacuum insulation liquid nitrogen pipes that described liquid nitrogen storage tank is connected with inlet by pipeline connects with each other, described mistake in ice chest is provided with coil exchanger, the described pressure regulating equipment of finding time contacts with the liquid nitrogen of crossing ice chest by pipeline, excessively on ice chest, be provided with nitrogen discharge outlet.In the vacuum insulation liquid nitrogen pipes being connected with liquid outlet, be connected with a return line that led to liquid nitrogen in ice chest, on return line, be provided with valve.
The present invention is provided with Pressure gauge on vacuumizing pressure regulating equipment and crossing the pipeline that ice chest is connected, Pressure gauge can be monitored the pressure of whole system, being convenient to vacuum decompression device reasonably arranges, on vacuumizing pressure regulating equipment and crossing the pipeline that ice chest is connected, be provided with control valve, control valve can be blinded off a line in time, avoids vacuumizing pressure regulating equipment and to crossing ice chest, impacts when bad.Described coil exchanger adopts red copper material to make, and heat transfer effect is better, easy to use.And on liquid nitrogen storage tank, be provided with inlet, and while being convenient to the amount of liquid nitrogen deficiency in liquid nitrogen storage tank, add appropriate liquid nitrogen, maintain the running of whole equipment.
In sum, the cooling system of cold insulation hyperconductive cable of the present invention, described refrigeration machine was controlled the temperature of the liquid nitrogen of ice chest, described mistake on ice chest is connected with the liquid nitrogen pump that liquid nitrogen circulation power is provided, the present invention crosses ice chest and can realize heat exchange and the multi-functionals such as power are provided, easy to use, floor space is little, and production cost is low.By refrigeration machine and the pressure regulating equipment of finding time, reduced I include in of liquid nitrogen in ice chest, thus cooling liquid nitrogen mobile in system.The present invention is being provided with nitrogen discharge outlet on ice chest excessively, and such ice chest of crossing, also as cable circulating liquid nitrogen discharge-channel, is exported circulating liquid nitrogen in cable is discharged in air by nitrogen discharge.
More than show and described basic 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. the cooling system of a cold insulation hyperconductive cable, comprise liquid nitrogen storage tank, it is characterized in that: also comprise refrigeration machine, cross ice chest, find time pressure regulating equipment and vacuum insulation liquid nitrogen pipes, in crossing ice chest, be provided with liquid nitrogen, described refrigeration machine was controlled the temperature of the liquid nitrogen of ice chest, described mistake on ice chest is connected with the liquid nitrogen pump that liquid nitrogen circulation power is provided, the described inlet of crossing ice chest is connected with hyperconductive cable by vacuum insulation liquid nitrogen pipes respectively with liquid outlet, the vacuum insulation liquid nitrogen pipes that described liquid nitrogen storage tank is connected with inlet by pipeline connects with each other, described mistake in ice chest is provided with coil exchanger, the described pressure regulating equipment of finding time contacts with the liquid nitrogen of crossing ice chest by pipeline, excessively on ice chest, be provided with nitrogen discharge outlet.
2. a kind of cooling system of cold insulation hyperconductive cable according to claim 1, is characterized in that: in the vacuum insulation liquid nitrogen pipes being connected with liquid outlet, be connected with a return line that led to liquid nitrogen in ice chest, be provided with valve on return line.
3. a kind of cooling system of cold insulation hyperconductive cable according to claim 2, is characterized in that: on vacuumizing pressure regulating equipment and crossing the pipeline that ice chest is connected, be provided with Pressure gauge.
4. a kind of cooling system of cold insulation hyperconductive cable according to claim 3, is characterized in that: on vacuumizing pressure regulating equipment and crossing the pipeline that ice chest is connected, be provided with control valve.
5. a kind of cooling system of cold insulation hyperconductive cable according to claim 4, is characterized in that: described coil exchanger adopts red copper material to make.
6. a kind of cooling system of cold insulation hyperconductive cable according to claim 5, is characterized in that: on liquid nitrogen storage tank, be provided with inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261222.9A CN104064279A (en) | 2014-06-13 | 2014-06-13 | Cooling system for cold insulation superconducting cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261222.9A CN104064279A (en) | 2014-06-13 | 2014-06-13 | Cooling system for cold insulation superconducting cable |
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| CN104064279A true CN104064279A (en) | 2014-09-24 |
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| CN201410261222.9A Pending CN104064279A (en) | 2014-06-13 | 2014-06-13 | Cooling system for cold insulation superconducting cable |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110366664A (en) * | 2017-02-08 | 2019-10-22 | 林德股份公司 | The method and apparatus loaded for cooling and the system including corresponding equipment and load |
| CN111043805A (en) * | 2019-12-30 | 2020-04-21 | 成都新连通低温设备有限公司 | High-power variable temperature pressure experiment system for liquid nitrogen temperature zone |
| CN112271027A (en) * | 2020-10-14 | 2021-01-26 | 深圳供电局有限公司 | Single-end forward flow refrigeration system for superconducting cable |
| CN112331409A (en) * | 2020-10-14 | 2021-02-05 | 深圳供电局有限公司 | Double-end countercurrent refrigeration system for superconducting cable |
| CN112331408A (en) * | 2020-10-14 | 2021-02-05 | 深圳供电局有限公司 | Single-end countercurrent refrigerating system for superconducting cable |
| 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 |
| CN112542270A (en) * | 2020-12-10 | 2021-03-23 | 深圳供电局有限公司 | Refrigerating device |
| CN112562915A (en) * | 2020-12-10 | 2021-03-26 | 深圳供电局有限公司 | Liquid nitrogen circulating pipeline structure and cooling circulation system |
| CN112614621A (en) * | 2020-12-10 | 2021-04-06 | 深圳供电局有限公司 | Superconducting cable refrigerating system |
| CN113223774A (en) * | 2021-04-29 | 2021-08-06 | 北京航空航天大学 | Superconducting cable and cooling method thereof |
| CN113958780A (en) * | 2021-11-01 | 2022-01-21 | 重庆大学 | Liquefied natural gas superconducting energy pipeline with liquid nitrogen bidirectional circulation protection function |
| CN114023508A (en) * | 2021-11-04 | 2022-02-08 | 广东电网有限责任公司 | Superconducting cable cooling device |
| CN114420370A (en) * | 2021-12-30 | 2022-04-29 | 深圳供电局有限公司 | Superconductive isolator and corresponding adiabatic terminal box |
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| 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 |
| CN204010822U (en) * | 2014-06-13 | 2014-12-10 | 苏州华徕光电仪器有限公司 | A kind of cooling system of cold insulation hyperconductive cable |
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- 2014-06-13 CN CN201410261222.9A patent/CN104064279A/en active Pending
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| US6732536B1 (en) * | 2003-03-26 | 2004-05-11 | Praxair Technology, Inc. | Method for providing cooling to superconducting cable |
| 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 |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110366664B (en) * | 2017-02-08 | 2021-08-06 | 林德股份公司 | Method and device for cooling a load and system comprising a corresponding device and load |
| CN110366664A (en) * | 2017-02-08 | 2019-10-22 | 林德股份公司 | The method and apparatus loaded for cooling and the system including corresponding equipment and load |
| 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 |
| 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 |
| CN111043805A (en) * | 2019-12-30 | 2020-04-21 | 成都新连通低温设备有限公司 | High-power variable temperature pressure experiment system for liquid nitrogen temperature zone |
| CN111043805B (en) * | 2019-12-30 | 2021-09-10 | 成都新连通低温设备有限公司 | High-power variable temperature pressure experiment system for liquid nitrogen temperature zone |
| 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 |
| CN112331408A (en) * | 2020-10-14 | 2021-02-05 | 深圳供电局有限公司 | Single-end countercurrent refrigerating system for superconducting cable |
| CN112331409B (en) * | 2020-10-14 | 2023-06-09 | 深圳供电局有限公司 | Double-end countercurrent refrigeration system for superconducting cable |
| WO2022077569A1 (en) * | 2020-10-14 | 2022-04-21 | 深圳供电局有限公司 | Double-ended countercurrent refrigeration system for superconducting cable |
| CN112271027A (en) * | 2020-10-14 | 2021-01-26 | 深圳供电局有限公司 | Single-end forward flow refrigeration system for superconducting cable |
| WO2022077570A1 (en) * | 2020-10-14 | 2022-04-21 | 深圳供电局有限公司 | Single-end countercurrent refrigerating system for superconducting cable |
| CN112331409A (en) * | 2020-10-14 | 2021-02-05 | 深圳供电局有限公司 | Double-end countercurrent refrigeration system for superconducting cable |
| CN112614621A (en) * | 2020-12-10 | 2021-04-06 | 深圳供电局有限公司 | Superconducting cable refrigerating system |
| CN112503837A (en) * | 2020-12-10 | 2021-03-16 | 深圳供电局有限公司 | Compact refrigeration equipment |
| CN112562915A (en) * | 2020-12-10 | 2021-03-26 | 深圳供电局有限公司 | Liquid nitrogen circulating pipeline structure and cooling circulation system |
| CN112542270A (en) * | 2020-12-10 | 2021-03-23 | 深圳供电局有限公司 | Refrigerating device |
| CN112562915B (en) * | 2020-12-10 | 2023-05-12 | 深圳供电局有限公司 | Liquid nitrogen circulating pipeline structure and cooling circulating system |
| CN112542271A (en) * | 2020-12-10 | 2021-03-23 | 深圳供电局有限公司 | Liquid nitrogen cooling circulation system |
| CN112614621B (en) * | 2020-12-10 | 2023-06-09 | 深圳供电局有限公司 | Superconducting cable refrigerating system |
| CN113223774A (en) * | 2021-04-29 | 2021-08-06 | 北京航空航天大学 | Superconducting cable and cooling method thereof |
| CN113223774B (en) * | 2021-04-29 | 2022-05-06 | 北京航空航天大学 | Superconducting cable and cooling method thereof |
| CN113958780A (en) * | 2021-11-01 | 2022-01-21 | 重庆大学 | Liquefied natural gas superconducting energy pipeline with liquid nitrogen bidirectional circulation protection function |
| CN114023508A (en) * | 2021-11-04 | 2022-02-08 | 广东电网有限责任公司 | Superconducting cable cooling device |
| CN114420370A (en) * | 2021-12-30 | 2022-04-29 | 深圳供电局有限公司 | Superconductive isolator and corresponding adiabatic terminal box |
| CN114420370B (en) * | 2021-12-30 | 2023-08-15 | 深圳供电局有限公司 | Superconducting isolating switch and corresponding heat insulation terminal box |
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Application publication date: 20140924 |
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