EAST托卡马克锂化技术研制  

The research of lithium coating technology in EAST

作　　者：孙震[1] 胡建生[1] 左桂忠[1] 李建刚[1] 陈跃[1] 李加宏[1] 王厚银[1] 吴金华[1] 曹斌[1] 

机构地区：[1]中科院等离子体物理研究所,安徽合肥230031

出　　处：《真空》2012年第5期28-31,共4页Vacuum

基　　金：国际热核聚变实验堆计划专项2010GB104002;2011GB107002;国家自然科学基金No.11075185赞助

摘　　要：锂蒸发镀膜壁处理技术为EAST核聚变装置内真空室提供了良好的壁条件,促进了高参数等离子体的获得——首次H-Mode、100s长脉冲和1MA高电流等离子体,发展为常规而又关键的壁处理方式。本文详细介绍了EAST锂化系统设计与研制,包括锂蒸发器设计,锂材定制,外围真空、控制系统组建。给出了锂化系统台面实验结果,运行条件、锂化运行三种方式,坩埚的蒸发速率对蒸发量的控制和判断坩埚是否需要装载的方法。Vacuum evaporative lithium coating was successfully developed and became a conventional and key method for wall conditioning in EAST. It significantly facilitates the achievements of 1MA plasmas, 100s long pulse plasmas and first H- mode plasma in EAST. This paper not only introduces the design and research of lithium coating systems, including the design of lithium evaporator, lithium specifications and the peripheral configuration of vacuum and control system, but also shows the results of test in laboratary, operating conditions, the three ways of lithium coating, the evaporation rate of lithium crucible and the distribution of lithium in the vacuum chamber of EAST.

关 键 词：EAST 锂化系统 壁处理 

分 类 号：TB79[一般工业技术—真空技术] O539[理学—等离子体物理]