华电技术 ›› 2011, Vol. 33 ›› Issue (7): 10-11.

• 专题综述 • 上一篇    下一篇

300MW汽轮机高压主汽门卡涩原因分析

张文强,张耀宇   

  1. 辽宁华电铁岭发电有限公司,辽宁铁岭112000
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2011-07-25 发布日期:2011-07-25

Analysis on reasons of jam of highpressure main stop valve in 300MW steam turbine

ZHANG Wenqiang, ZHANG Yaoyu   

  1. Liaoning Huadian Tieling Power Generation Corporation Limited,Tieling 112000, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-07-25 Published:2011-07-25

摘要: 从热工电信号或电液转换器故障及门杆的机械卡涩2方面分析了300MW汽轮机高压主汽门卡涩的原因,提出了解决方法和预防措施。

关键词: 汽轮机, 主汽门, 卡涩, 门杆, 原因分析, 预防措施

Abstract: From two aspects of the faults of thermal electrical signals or electro hydraulic converter and the mechanical jam of valve spindle, the reasons of jam fault of the highpressure main stop valve in a 300MW steam turbine were analyzed. The solution and preventive measures were put forward.

Key words: steam turbine, main stop valve, jam, valve spindle, reason analysis, preventive measure