管道内穿管修复技术的应用

Utilization on Pipe Renovation Technology of a Pipe Passing through Another Pipe

为解决城市地下金属管道由于常年连续运行时间长、防腐技术落后情况下产生漏铁、穿孔腐蚀等问题,阐述了利用管内穿管的先进技术解决地下管道的修复问题.该技术经应用后,施工质量满足使用要求,具有推广价值.

In order to resolve the problems of iron leakage and pitting corrosion of the metal pipe in a city,caused by long-time operation and the backward antiseptic technology,the technology of a pipe passing through another piper to renovate the underground pipes is in-troduces.After this technology is applied,the constructing quality satisfys the need and has some popularization value.