中小型氮肥厂尿素合成塔腐蚀、检验及缺陷处理

The Corrsion lnspection as Well as the Treatment for Defects of Urea-synthetic Tower in Middle and Small Nitrogen Manure Factory

本文对在用化工压力容器的典型代表 :尿素合成塔工作过程中介质的腐蚀特点 。

The paper introduces the corroding characterastic of actuating medium of urea-Synthetic tower—the typical one of pressure vessels in chemical engineering,and the focal points in inspection,as well as the treatment for main defects.