氦制冷机一用一备并联阀箱设计与分析  

Design and Analysis of Parallel Valve Box for One Use and One Backup of Helium

作　　者：汪文峰 黄东波 杨小军 李俊杰[2] Wang Wenfeng;Huang Dongbo;Yang Xiaojun;Li Junjie(China Institute of Atomic Energy,Academy of Nuclear Technology,Beijing 102413,China;High Magnetic Field Center,Hefei Institute of Material Science,Chinese Academy of Sciences,Hefei 230031,China)

机构地区：[1]中国原子能科学研究院核技术综合研究所,北京102413 [2]中国科学院合肥物质研究所强磁场中心,安徽合肥230031

出　　处：《山东化工》2022年第10期177-180,共4页Shandong Chemical Industry

摘　　要：低温设备运行可靠性直接关系到用户端介质流的稳定性,特别是对长期不间断运行用户至关重要。本项目通过设计低温阀箱将两台制冷机并联,从而实现一备一用,在阀箱机械结构、绝热处理、部件选型等方面进行了理论计算,根据计算结果对工艺进行了优化,利用有限元分析验证了阀箱设计的安全性。The operating reliability of the cryogenic system is directly related to the stability of the media flow at the user end,and is especially important for long-term uninterrupted operation users.In this project,two chillers are connected in parallel by designing a low-temperature valve box,so as to realize one backup and one use.Theoretical calculations are carried out on the mechanical structure of the valve box,heat insulation,and component selection.According to the calculation results,the process is optimized.Finite element analysis verified the safety of the valve box design.

关 键 词：制冷机并联 阀箱 热沉 

分 类 号：TQ050[化学工程] TB651[一般工业技术—制冷工程]