华电技术 ›› 2012, Vol. 34 ›› Issue (9): 39-40.

• 技术交流 • 上一篇    下一篇

HP1103型中速磨煤机外部气封装置漏风原因分析及对策

吕艳春   

  1. 辽宁清河电力检修有限责任公司,辽宁铁岭112003
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2012-09-25 发布日期:2012-09-25

Analysis on reasons of air leakage of HP1103 medium speed mill external air sealing device and countermeasures

L Yanchun   

  1. Liaoning Qinghe Power Maintenance Company Limited, Tieling 112003, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2012-09-25 Published:2012-09-25

摘要: 分析了清河电厂一期600MW机组( #9机组)HP1103型中速磨煤机外部气封装置漏风的原因,对磨煤机外部气封装置进行了加装复合橡胶密封改造,磨煤机外部气封装置改造后,提高了磨煤机的可靠性及运行经济性,现场环境大为改善。

关键词: 中速磨煤机, 气封装置, 对策, 改造

Abstract: The reasons of air leakage of HP1103 medium speed mill external air sealing device of 600MW unit (No.9) in Qinghe Power Plant project phase I were analyzed. By installation of the compound rubber sealing additionally, the external air sealing device of the mill was reformed. After the reformation, the reliability and the operation economic efficiency of the mill were improved, and the site environment was ameliorated greatly.

Key words: medium speed coal mill, air sealing device, countermeasure, reformation