华电技术 ›› 2009, Vol. 31 ›› Issue (4): 61-62.

• 技术交流 • 上一篇    下一篇

调速汽阀拒开的故障处理

曾健斌   

  1. 中国石化集团公司广州分公司动力事业部热电车间,广东广州 510725
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-04-25 发布日期:2009-04-25

Fault treatment on failure to open of the steam control valve

ZENG Jianbin   

  1. Thermo Power Workshop of Power Division of Guangzhou Branch Office, China Petroleum & Chemical Group, Guangzhou 510725, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-04-25 Published:2009-04-25

摘要: 某热电站#4机启动过程中,调速汽阀不能开启,经全面检查后,发现二次脉冲油压偏低,初步判断油路可能存在泄漏。经排查处理后故障消除。该处理方法可供其他发电厂在同类故障查找时参考。

关键词: 汽轮发电机, 启动, 拒开, 故障原因, 分析, 故障处理

Abstract: In startup procedure of one power plant unit, steam control valve was failure to open. By overall inspection, it was found that the secondary pulse oilpressure was lower than normal. The initial judgment for it may be oil leakage, after inspecting and treating the fault was eliminated. The treatment method may serve as reference for other power plants to search the same type fault.

Key words: gas turbine unit, start-up, failure to open, fault reason, analysis, fault treatment