3MW氦气轮机的密封设计  

Seal Design for 3 MW Helium Turbine

作　　者：沈存五 张靖煊[2] Shen Cun-wu;Zhang Jingxuan

机构地区：[1]上海电气燃气轮机有限公司,上海200240 [2]中国科学院上海高等研究院,上海201210

出　　处：《上海电气技术》2020年第1期27-30,共4页Journal of Shanghai Electric Technology

基　　金：中国科学院战略性先导科技专项(编号:XDA02020600)。

摘　　要：介绍了某3MW氦气轮机的总体结构,并从隔板气封、轴承与主氦气回路间密封、轴端密封、外缸法兰接合面密封等方面对该3MW氦气轮机进行了密封设计,同时分析了浮动油环密封两种布置方式的优缺点。The global structure of a 3MW helium turbine was introduced,and the sealing scheme of 3MW helium turbine was designed from the aspects of bulkhead gas seal,seal between bearing and main helium loop,shaft end seal,seal of flange joint surface of outer shell,etc.The advantages and disadvantages of the two arrangements of floating oil ring seals were also analyzed.

关 键 词：氦气轮机 密封 设计 

分 类 号：TM611[电气工程—电力系统及自动化] TK472[动力工程及工程热物理—动力机械及工程]