化工厂压力管道更换常见问题及分析

Common Problems and Analysis of Pressure Pipe Replacement in Chemical Plant

化工厂生产运行所采用的管道类型为GC1、GC2、GC3三个等级压力管道,其具有耐蚀性、抗压性强等优点。但随着运行时长的增加,管道出现不可逆的泄露、腐蚀等问题,需要对车间设备管道进行拆除更换。本文从车间图纸绘制、焊接、无损检测以及现场施工常见风险及预防四个方面入手,对压力管道更换常见问题进行深入分析,以期为安装工程提供理论基础参考。

The types of pipelines used in the production and operation of the chemical plant are GC1,GC2 and GC3 pressure pipelines,which have the advantages of strong corrosion resistance and compression resistance.However,with the increase of operation time,the pipeline has irreversible leakage,corrosion and other problems,and the workshop equipment pipeline needs to be removed and replaced.This paper analyzes the common problems of penstock replacement from four aspects:workshop drawing,welding,nondestructive testing and common risks and prevention of on-site construction,in order to provide theoretical basis for installation engineering.