特种材料真空热处理炉均温区仿真分析与实验验证

doi:10.13385/j.cnki.vacuum.2025.06.13

Abstract

Abstract: To address the demanding requirement for precise temperature uniformity in specialized heat treatment processes for large-sized special materials in the nuclear industry, a dedicated vacuum heat treatment furnace was first developed and designed. Subsequently, the large uniform temperature zone for processing two types of products was simulated. Through iterative optimization based on simulation results, the power distribution of heaters and the configuration of radiation shields were refined. Finally, the on-site experiments were conducted to validate the distribution range of the uniform temperature zone during the holding phase. The results demonstrated that the as-developed vacuum heat treatment furnace achieved a temperature uniformity of ±3.0 ℃ within a 500 mm×500 mm×3 000 mm uniform temperature zone under operating conditions. Experimental validation showed high consistency with simulation results, confirming that the furnace can meet the design requirements for specialized heat treatment processes of large-sized nuclear materials.

Key words: vacuum heat treatment furnace, uniform temperature zone, simulation analysis, validation

CLC Number: TG166.1

JIA Shouya, WU Long, CHE Enlin, SU Ning. Simulation and Experimental Validation of the Uniform Temperature Zone in a Vacuum Heat Treatment Furnace for Special Materials[J].VACUUM, 2025, 62(6): 100-105.

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Simulation and Experimental Validation of the Uniform Temperature Zone in a Vacuum Heat Treatment Furnace for Special Materials

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