厚壁管道热电偶插座焊接结构改进与工艺研究

Improvement of weld configuration and techniques analysis on the thick wall pipe thermocouple inset

介绍了火电厂主蒸汽厚壁管道热电偶插座焊缝失效的情况,并对焊缝失效原因进行了详细的分析,进而对热电偶插座的焊接结构进行了改进,在实际应用中取得了成功。

This paper introduced the situation of the cracks occurred in the thick wall pipe thermocouple inset that used in main stream pipes,and analyzed the reason for the cracks in detail,then improved the weld configuration of the thermocouple inset.It makes a successful use in practice.