高压锅炉主汽门焊口裂纹事故分析与处理

Analyses and Treatment on Welded Seam Crack at the Principal Valve of High Pressure Boiler

高压锅炉主蒸汽管道是输送锅炉过热蒸汽关键设备,管路焊口裂纹严重威胁电厂安全生产。文章对焊口裂纹事故进行分析,并提出处理方法和措施,为处理焊口裂纹提供参考。

The principal tube on the high pressure boiler is the key part for conveying the overheated team.The cracked seam on valve tube is harmful to power plant.The paper analyses the defect of welded seam crack,and proposes the treatment measures,which may provide reference for seam crack treatment.