热壁加氢反应器堆焊层表面裂纹扩展初析

The Study of Surface Cracks Ream on Overlay of Hydrogenation Reactor

介绍了热壁加氢反应器堆焊层表面裂纹的形成、特征、扩展形式以及裂纹扩展对加氢反应器的危害,并提出了热壁加氢反应器的安全评定方法。

Initiation and characteristic of hydrogenation reactor overlay surface crack are summa rized. The format and harm of crack ream are described, and safety assess method of hydrogena tion reactor is put forward.