煤气管道在线开孔技术及故障应急处理方法

Gas pipe on-line trepanning technology and fault handling

介绍正常运行的带压煤气管道在线开孔作业的一般施工方法及其可能出现故障的应急处理方法,解决一些突发状况的施工难题。

This paper introduces the general construction method of on-line opening operation of gas pipeline with pressure in normal operation and the emergency treatment method of possible faults,and solves some construction problems of sudden situation.