华电技术 ›› 2008, Vol. 30 ›› Issue (10): 66-67.

• 一线动态 • 上一篇    下一篇

中压下进汽短管裂纹的处理

王威   

  1. 广东粤华发电有限责任公司,广东 广州 510730
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2008-10-25 发布日期:2008-10-25

Treatment of crack in steam inlet conduit of the lower medium-pressure cylinder

WANG Wei   

  1. Guangdong Yuehua Power Generation Corporation Limited, Guangzhou 510730, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-10-25 Published:2008-10-25

摘要: 黄埔电厂#6机组中压下缸导汽进汽管焊缝在金检时发现存在裂纹,通过合理、灵活运用焊接工艺、热处理工艺和修复工序,对这一重大缺陷进行处理,取得了很好的效果。对修复过程进行了总结,供同类问题检修、处理时参考。

关键词: 进汽导管, 裂纹, 焊接, 热处理

Abstract: The cracks in steam inlet conduit welding seam of the lower medium-pressure cylinder of Huangpu Power Plant Unit No.6 were found by metallographic examination. This major defect was eliminated by flexible application of the patch weld technology, the heat treatment technology and the repair working process, and a better result was obtained. In this paper, the repairing process was summarized for reference.

Key words: steam inlet conduit pipe, crack, weld, heat treatment