Development and Performance 'Testing of BD1250 LN, Low Temperature Pump
范志剑12FAN Zhi-jian;闫格12YAN Ge;
颜昌林①②YAN Chang-lin;魏其嵩①② WEI Qi-song;张栋梁①②ZHANG Dong-liang
①兰州空间技术物理研究所,兰州730000;
②兰州真空设备有限责任公司华宇分公司,兰州 730000
①Lanzhou Institute of Physics,CAST,Lanzhou 730000,China;
②Lanzhou Vacuum Equipment Co.,Ltd.Huayu Branch,Lanzhou 730000,China
摘要:介绍了1250mm 口径低温泵的设计及计算,详细列出壳体、吸附阵、冷屏、障板等部件的设计。文中对壳体强度,冷屏、胀板和冷凝板的热负荷进行设计计算、性能测试方法以及结果进行了详细计算,通过测试和计算的结果进行比对,确认了设计的正确性。
Abstract: This article introduces the design and calculation of a 1250mm caliber low-temperature pump, detailing the design ofcomponents such as the shell, adsorption array, cold screen, and bafle. The design calculation,perfomance testing methodl, and results ofthe shel strength, thermal load of the cold shield, expansion plate,and condensation plate were detailed in the article. The correctness ofthe design was confirmed by comparing the results of the testing and calculation.
关键词:低温泵;制冷机;吸附阵;热负荷;测试方法
Key words: cryopump; refrigerator; adsorption array; heat load; test method
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