城镇埋地管道非开挖内衬PE管修复技术

Rehabilitation Technique for Buried PE Lined Pipelines without Excavation in Cities and Towns

城镇供水、排污、燃气管道因结垢、腐蚀等问题不能满足正常运行要求,必须进行维修。非开挖内衬PE管修复技术可满足城镇埋地管道修复的要求,该技术具有不破坏硬化路面和建筑物、施工速度快、利于环保、适用范围广、经济效益好、可提高输送能力、修复后的管道使用寿命长等优点。文章介绍了内衬PE管修复技术的施工程序,强调了PE管道热熔焊接质量控制要求。

Rehabilitation technique for PE lined pipeline without excavation can meet the needs of city and town buried pipelines rehabilitation.The technique has many advantages such as without destroying hardened road pavement and buildings fast construction speed good environmental protection wide application range good economic benefit increasing transportation capacity and long post-reparation operation life.This paper introduces the rehabilitation procedure of PE lined pipeline and stresses on quality control requirement of PE pipe heat melting welding.