旧管道内修复挤压涂衬新工艺

A New Extruding Coating Process for Internal Repair of Aging Pipelines

文章着重讨论了管道内修复方法的一种,即挤压涂衬工艺的基本概念、涂衬过程及其优缺点,尤其介绍了一种新型的双球行走器挤压涂衬方法,以便于管道工程人员在进行管道内修复时有所借鉴.

This paper discussed one of the techniques for the internal repair of pipelines,i. e. the basic concept of extruding coating process,the coating application and its advantages and disadvantages. The method of internal coating using the double-pig system was particularly introduced so that it provided a good reference for the repairmen in the internal repair of pipeline.