阴极保护系统运行及效果评价

The system of catohodic protection of operation and evaluation zone

埋地钢制天然气管道会受到化学腐蚀和电化学腐蚀作用。榆林南区集输支干线均采用阴极保护(CP)和防腐涂层相结合的方法进行腐蚀防护。简单阐述了埋地管道腐蚀产生的原因和阴极保护的原理、系统组成。重点对榆林南区阴极保护系统运行现状进行简要分析、评价,并提出了优化意见。

Buried pipelines get chemistry corrosion and electrochemistry corrosion. It need the way of external daub anticorrosion painting layer and cathodic protection to defend corrosion of the buried gas transmitting pipelines.The paper expounds simply the coorodent reason and catohodic protection truth or system- Analyzes and value system in the south of Yulin the elements of cathodic nrotection technics, then analyzes briefly puts forward some optimition proposals.