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Preparation method of temperature measuring seat for superconducting feeder system

A superconducting feeder, holding time technology, applied in manufacturing tools, welding equipment, metal processing equipment, etc., can solve problems such as performance differences, achieve simple structure, realize capillary and wetting effects, and reliable connection.

Pending Publication Date: 2022-04-22
合肥聚能电物理高技术开发有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the deficiencies of the prior art, the present invention provides a method for preparing a temperature measuring seat for a superconducting feeder system, which solves the problem of large differences in the physical properties of heterogeneous connections of the temperature measuring seat in the prior art, and realizes reliable connection

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  • Preparation method of temperature measuring seat for superconducting feeder system

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Embodiment 1

[0038] Please refer to Figure 1-2, the present embodiment provides a superconducting feeder system with a temperature measuring seat preparation method, the temperature measuring seat comprises a mutually welded base 2 and a round tube 1, the base 2 material is C10100 oxygen-free copper, which is welded with the round tube 1 side is curved, C10100 oxygen-free copper cold, hot processing performance are excellent, good malleability. Round tube 1 material is 316L stainless steel; 316L stainless steel has excellent corrosion resistance, high temperature resistance and creep resistance, wherein the present invention employs a vacuum brazing process to weld 316L round tube 1 and C10100 base 2, comprising the following steps:

[0039] Brazing material selection: The implementation of brazing material 7 selects Ag72Cu28 brazing material, melting temperature of 779 °C, not only has excellent process performance, such as suitable melting point, good wetting, strong caulking ability, etc.,...

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Abstract

The invention relates to the technical field of welding, and discloses a preparation method of a temperature measuring seat for a superconducting feeder system, and the temperature measuring seat comprises a base and a circular tube which are welded with each other and are made of C10100 oxygen-free copper and 316L stainless steel. The preparation method comprises the steps that the round pipe is subjected to acid pickling, nickel plating is conducted after cleaning, an oxidation layer is removed from the base through an acid pickling method, the round pipe, the base and brazing filler metal are subjected to brazing assembly together through a welding device, the assembled welding device is integrally placed into a vacuum brazing furnace, and after the vacuum brazing step is executed, the furnace is opened, and the welding device is started. The welding device is simple in structure and convenient to use, contact between a base material and brazing filler metal can be guaranteed, the physical property that the difference between the base and the round pipe is large is effectively overcome, and reliable connection between the base and the round pipe is achieved.

Description

Technical field [0001] The present invention relates to the field of welding technology, specifically to a method for preparing a superconducting feeder system with a temperature measuring seat. Background [0002] As one of the key components of the nuclear fusion reactor, the superconducting feeder system is used to connect the room temperature power supply and the low-temperature superconducting magnet system to realize the transmission of excitation current in the superconducting magnet system. The use of superconducting feeder cooling system is extreme conditions, the current superconducting feeder system cooling pipe temperature is 4.2K and 77K respectively. In order to accurately collect temperature parameters on the cooling line, a large number of temperature measuring seats need to be arranged on the 4.2K and 77K cooling pipes. The general temperature measuring seat is welded by two materials, the physical properties of the two materials are quite different, in the vacu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K1/008B23K3/08B23K1/20
CPCB23K1/008B23K3/087B23K1/20
Inventor 沈旭李波陶嘉周能涛彭黎明马兆龙史磊
Owner 合肥聚能电物理高技术开发有限公司
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