大型尿素合成塔封头接缘拼缝的Co60射线检测

Radiographic(Co60) Process for Butt Weld Between Head and Manhole Urea Synthetic Reactor With the Diameter of 2.8 Meters

本文介绍了大型尿素合成塔(直径2.8米)封头与人孔接缘的对接焊缝的射线检测工艺,通过一些特殊的方法,取得很好的检测效果,提高产品的内在质量,同时对焊接的过程控制起到配合作用。

This article describes radiographic process for butt weld between head and manhole usea synthetic reactor with the diameter of 2.8 meters. This process expatiates how to obtain good examination result by special method .The application of this process can improve the product quality, and also cooperate with the control of melding process.