用于核电元件制造的深井式真空钎焊设备设计

doi:10.13385/j.cnki.vacuum.2023.03.12

Abstract

Abstract: Tungsten, molybdenum, rhenium and other refractory metal parts, often used in the power source for maintaining the operation of space orbiting satellites and space stations, such as nuclear power and electric propulsion. Most of these components work in ultra-high vacuum environment, accompanied by high temperature, radiation and particle irradiation, and other extremely harsh environmental conditions. Based on the structural characteristics of most components, and the shape,dimensional accuracy, coating composition and structural stability of the materials and components need to be protected, related vacuum process equipment is designed to be well structure with suspended workpieces. This paper introduces the development of a vacuum brazing equipment for the manufacture of nuclear power components in detail. It is a special "deep well" structure with upper discharge. An innovative and optimized design in reliability, operability and security was carried out. The test results show that the thermal (1600℃) vacuum degree of the equipment reached 3×10^-4Pa, and the temperature uniformity reached ±4℃.

Key words: nuclear power component, deep well, vacuum brazing, refractory metal, temperature uniformity

CLC Number: TL352.2

LU Shao-bo, HAN Yong-chao, SONG Yan-peng, ZHANG Ji-feng. Design of Deep Well Vacuum Brazing Equipment for Nuclear Power Components Manufacturing[J].VACUUM, 2023, 60(3): 72-75.

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Design of Deep Well Vacuum Brazing Equipment for Nuclear Power Components Manufacturing

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