华电技术 ›› 2015, Vol. 37 ›› Issue (3): 31-33.

• 技术交流 • 上一篇    下一篇

给水泵密封水回水多级水封装置改造

  

  1. (广东粤电靖海发电有限公司,广东惠来〓515200)
  • 出版日期:2015-03-25 发布日期:2015-05-14

Reformation of multistage water seal device for return water of feed pump sealing water

  1. (Guangdong Yudean Jinghai Power Generation Company Limited, Huilai 515200, China)
  • Online:2015-03-25 Published:2015-05-14

摘要: 摘要:介绍了惠来电厂1000MW超临界机组汽动给水泵密封水回水多级水封装置的工作原理,分析了多级水封装置设计、安装及运行过程中存在的问题,制订了可行的改造方案并予以实施,解决了给水泵密封水回水长期不能回收的问题。

关键词: 关键词:1000MW超临界机组, 给水泵, 密封水, 多级水封, 改造

Abstract: Abstract:The working principle of multistage water seal device for return water of the turbofeed pump sealing water in the 1000MW supercritical unit of Huilai Power Plant was introduced. The problems existing in design, installation and operation of the multistage water seal device were analyzed. A feasible reform scheme is developed and implemented. The longstanding problem of return water recovery of feed pump sealing water was solved.

Key words: Keywords:1000MW supercritical unit, feed pump, sealing water, multistage water seal, reformation