内蒙古电力技术Issue(3)：90-93,4.DOI:10.3969/j.issn.1008-6218.2014.03.011
汽轮机主汽门内部裂纹产生原因分析与处理
Cause Analysis and Treatment of Internal Crack in Steam Turbine Main Valve
杨彦卿 1郭超 1孙伟涛1
作者信息
- 1. 神华国能神东电力有限责任公司萨拉齐电厂，内蒙古 包头 014100
- 折叠
摘要
Abstract
Took Salaqi Power Plant No.1 unit as an example, this paper analized the causes of the cracks within the main steam valve, thought that heat treatment was not thoroughgoing, the internal ribbed plate weld had residual stress, and the unit thermal stress were the main reasons for the crack. By cutting the internal ribbed plate,burnishing and smoothing the wall crack in the main steam valve, timely repaired the main valve of No.1 unit.关键词
主汽门/裂纹/热应力/热处理/打磨Key words
main steam valve/cracks/thermal stress/heat treatment/grinding分类
信息技术与安全科学引用本文复制引用
杨彦卿,郭超,孙伟涛..汽轮机主汽门内部裂纹产生原因分析与处理[J].内蒙古电力技术,2014,(3):90-93,4.
