埋地管道外防腐技术

Outside Antisepsis Technology of Pipeline Underground

埋地管道周围土壤环境复杂,管道管材极易被腐蚀破坏,合适的外防腐形式对埋地管道减少事故发生和延长管线的寿命,起着决定性的作用。本文阐述了外防腐的作用,介绍了埋地管道外防腐基本形式,施工工艺及选用原则。

Around the pipeline underground,the environment of soil was very complicated,and the pipe shall be easy to be corroded and destroyed,so the reasonable use of outside antisepsis technology can decrease the accident and prolong the lifetime of pipeline. The necessity was explained and the principle of choosing the technology was introduced.