摘要
针对某热电厂21号机组主蒸汽疏水管焊口出现裂纹,发生泄漏的问题,通过进行疏水管路检查、汽轮机停机检查、应力计算分析,认为管路支吊架布置不合理是造成疏水管裂纹的主要原因,并提出更换疏水管路支吊架、改进焊接工艺等处理措施。
Aiming at main steam pipe welding part cracks leakage of some thermal power plant No.21 unit, analyzes the causes through pipes check, turbine shut-down check, consid- ers that the main reason is unreasonable supports and hang- ers lay of pipes, advances the measures that are to replace former support and hanger,and to reform pipe welding technique, etc
出处
《河北电力技术》
2013年第6期50-51,共2页
Hebei Electric Power
关键词
疏水管
裂纹
支吊架
焊接
pipes seam crack
supports and hangers
welding
