华电技术 ›› 2016, Vol. 38 ›› Issue (1): 36-38.

• 技术交流 • 上一篇    下一篇

600 MW机组汽泵前置泵故障原因及处理

  

  1. 华能铜川照金电厂,陕西铜川〓727100 
  • 出版日期:2016-01-25 发布日期:2016-03-15

Failure cause and treatment of 600 MW unit steam pump booster pump

  1. Huaneng Tongchuan Zhaojin Power Plant,Tongchuan 727100,China
  • Online:2016-01-25 Published:2016-03-15

摘要:

摘要:华能铜川照金电厂前置泵运行多年,出现了泵盖结合面冲刷、低负荷轴窜大、轴承损坏、机械密封冷却套泄漏等缺陷,对原因进行分析总结,并提出多项针对性解决方案及注意事项,有效改善了机组运行情况。

关键词: 关键词:前置泵, 轴承, 轴窜, 机械密封冷却套

Abstract:

Abstract:After years of operation,many defects appeared on the booster pump of Huaneng Tongchuan Zhaojin Power Plant,such as abrasion of pump cover interface,serious axial movement while low load,damage of bearings,leakage of mechanical sealed cooling jacket and etc.After analyzation,solutions and suggestions to those defects was indicated,which are effective to improve the unit operation.

Key words: Keywords:booster pump, bearing, axial movement, mechanical sealed cooling jacket