兰州重离子冷却储存环超高真空系统首台样机的研制  

DEVELOPMENT OF THE FIRST UHV PROTOTYPE OF HIRFL-CSR

作　　者：杨晓天[1] 张军辉[1] 张新俊[1] 吴慧敏[1] 蒙峻[1] 候生军[1] 

机构地区：[1]中国科学院近代物理研究所,甘肃兰州730000

出　　处：《真空与低温》2001年第3期169-173,共5页Vacuum and Cryogenics

摘　　要：介绍了兰州重离子冷却储存环 (HIRFL -CSR)超高真空系统首台样机的研制过程 ,给出了实验结果。介绍各真空室结构 ,对关键标准设备进行了测试与选型。根据实验结果估算出极限真空条件下材料的表面出气率 ;根据公式估算出钛升华泵的有效抽速并通过实验得到证实 ;对真空烘烤装置的初步工作也作了介绍。样机达到了 3× 10 -9Pa的设计指标 ,结果表明HIRFLThe development process of the first ultra_high vacuum prototype of HIRFL_CSR is introduced and the results are given. The structure of the vacuum chambers designed for the prototype is described , The key standard equipments are tested and chosen.The out_gassing rate of the chamber materials in the ultimate pressure is estimated in terms of the experimental results.The effective pumping speed of the titanium sublimation pump is calculated according to the formulas and is validated by the experiment.The progress of the vacuum baking system is introduced as well.The expected pressure of 3×10 -9 Pa has been obtained and kept.It means the design of the UHV system of HIRFL_CSR project is feasible.

关 键 词：超高真空系统 表面出气率 真空烘烤 加速器 设计 兰州重离子冷却储存环 

分 类 号：TL594[核科学技术—核技术及应用] TL503.7