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Cooling method of low-temperature superconducting magnet and system thereof

A low-temperature superconducting and cooling method technology, which is applied in the direction of superconducting magnets/coils, magnetic objects, electrical components, etc., can solve the problems of high prices and achieve the effect of reducing costs

Active Publication Date: 2012-05-02
西部超导材料科技股份有限公司
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Problems solved by technology

[0004] In order to avoid the deficiencies of the prior art, the present invention proposes a cooling method and system for a low-temperature superconducting magnet, which solves the problem of effectively reducing the consumption of liquid helium that is expensive and scarce in the cooling process of the existing low-temperature superconducting magnet

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  • Cooling method of low-temperature superconducting magnet and system thereof
  • Cooling method of low-temperature superconducting magnet and system thereof

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Embodiment Construction

[0018] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:

[0019] This embodiment includes a liquid nitrogen filling valve 1, a liquid helium filling valve 2, a liquid nitrogen liquid level gauge 3, a liquid nitrogen valve 4, a central hole 5, a helium exhaust valve 6, a vacuum valve 7, a vacuum chamber 8, and a liquid nitrogen tube 9 , a liquid helium tube 11, a helium exhaust tube 12, a liquid nitrogen storage chamber 13 and a liquid helium storage chamber 14; the central part in a closed space is a liquid helium storage chamber 14, and the liquid helium storage chamber 14 is a liquid nitrogen storage chamber The outermost part of the chamber 13 is the vacuum chamber 8 , and the middle part of the liquid helium storage chamber 14 is an annular groove extending toward the liquid nitrogen storage chamber 13 .

[0020] The upper end of the closed space is provided with an end cover, and the center of the end cover is prov...

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Abstract

The invention relates to a cooling method of a low-temperature superconducting magnet and a system thereof. The characterized is that before cooling the low-temperature superconducting magnet by liquid helium, a superconducting magnet coil is precooled by using liquid nitrogen, and the liquid nitrogen is completely discharged by using the helium pressure method; and then the superconducting magnet coil cooled to the temperature of the liquid nitrogen is cooled to the temperature of the liquid helium by using the liquid helium, thus effectively reducing the consumption of the liquid helium with high price and scarce resources in the process of cooling the existing low-temperature superconducting magnet.

Description

technical field [0001] The invention relates to a cooling method and system for a low-temperature superconducting magnet, belonging to the technical field of superconducting magnets. Background technique [0002] With the development of superconducting low temperature technology and the discovery of new superconducting materials, the application of superconducting magnets has been greatly improved. At present, superconducting magnets have become an important tool for scientific research. They are widely used in high-energy physics, controlled thermonuclear reactions, plasma physics, biophysics, low-temperature physics, magnetism, material structure analysis, medicine, transportation, industry and many other scientific explorations and researches. are becoming more and more widely used. my country's demand for superconducting magnets is growing day by day. However, the operation of superconducting magnets requires a large amount of expensive liquid helium. A superconducting...

Claims

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Application Information

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IPC IPC(8): H01F6/04
Inventor 朱思华高慧贤熊小伟葛正福张丰收刘向宏冯勇
Owner 西部超导材料科技股份有限公司
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