末级过热器出口集箱连接管爆管原因分析

Cause Analysis on the Burst and Leakage at the Linking Tube of Final Super-heater Outlet Header

本文通过对末级过热器出口集箱连接管爆管进行原因分析,得出钢管在出厂前就已经存在内壁裂纹的结论,进一步分析了此类内壁裂纹漏检的原因。

Cause analysis is carried on the burst and leakage at the linking tube of final super- heater outlet header in this paper,come a conclusion that the crack at the internal wall is obtained in the tube manufacturer. Analyze the reason why such crack without being detected successfully.