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Shock reducing method for super conductive magnet

A technology of superconducting magnets and magnets, applied in non-rotational vibration suppression, packaging of vulnerable items, types of packaging items, etc., can solve the problems of damage to magnets and low-temperature systems, complicated processes, and the cross-sectional area of ​​tie rods cannot be too large, and eliminates the need for Unnecessary damage, the effect of simplifying the transportation process

Inactive Publication Date: 2009-04-29
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The cross-sectional area of ​​the tie rod should not be too large, otherwise the large heat leakage will increase the burden on the cooling system and even affect the normal operation of the superconducting magnet, so the safety factor of the tensile strength of the magnet suspension tie rod is relatively low, and the system cannot withstand large vibrations shock
If the magnet needs to be transported, the traditional method is to disassemble the whole system before transportation, add fixing measures, or remove the magnet from Dewar and transport it separately, and reinstall it after arriving at the destination. The process is complicated and easy for the magnet and cryogenic system. cause damage

Method used

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  • Shock reducing method for super conductive magnet
  • Shock reducing method for super conductive magnet
  • Shock reducing method for super conductive magnet

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0012] When transporting the superconducting magnet, first short-circuit the current lead 1 of the superconducting magnet 3 outside the Dewar 2, and then install a permanent magnet block in the hollow position of the superconducting magnet 3, and the permanent magnet block is directly and firmly fixed on the outer wall of the Dewar 2 superior. If there is a temperature hole 5 passing through the superconducting magnet 3 on the Dewar 2, the permanent magnet block can be fixed on the temperature hole 5 wall, as Figure 2a shown. If there is no temperature hole 5, the permanent magnet block can be installed outside the Dewar 2 and fixed on the outer wall of the Dewar 2, such as Figure 2b shown. The magnetization direction of the permanent magnet block coincides with the axial direction of the superconducting magnet 3 . The permanent magnet bl...

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Abstract

The vibration reducing method for superconducting magnet in transportation includes the following steps: shorting the current leads outside the Dewar of the superconducting magnet; fixing permanent magnet in the hollow location of the superconducting magnet and on the outer wall of the Dewar, with the magnetizing direction of the permanent magnet being coincided with the axis of the superconducting magnet; and eliminating the permanent magnet after finishing the transportation. The present invention can protect the superconducting magnet in transportation against vibration effectively.

Description

technical field [0001] The invention relates to a vibration damping method in the transportation of a superconducting magnet. Background technique [0002] Certain materials exhibit a zero resistance state below the critical temperature Tc, that is, a superconducting state. An electromagnet made of a superconducting wire made of a superconducting material plus a composite material (substrate) is a superconducting magnet. Because it can have a high The strong magnetic field generated by the high current density has more and more extensive and important applications in some engineering fields, such as magnetic separation, magnetic fluid power generation, MRI and microwave generators. At present, superconducting magnets for high magnetic field applications are mainly made of NbTi / Cu or Nb 3 There are two types of solenoid low-temperature superconducting magnets made of superconducting wires such as Sn / Cu and multi-cake high-temperature superconducting magnets made of Bi-based ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D85/30F16F15/03
Inventor 王厚生王秋良王晖
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI