埋地金属管道杂散电流腐蚀与防护  

Protection Against Stray Current Corrosion of Buried Metals Pipeline

作　　者：于家付[1] 谢娜娜[1] 吴巍巍[1] 袁茂松[1] 

机构地区：[1]西南石油大学机电学院,成都610500

出　　处：《重庆科技学院学报（自然科学版）》2013年第2期89-93,共5页Journal of Chongqing University of Science and Technology：Natural Sciences Edition

基　　金：四川省自然科学基金项目(DCCX-CHB-20111121-G)

摘　　要：埋地金属管道受直流杂散电流的干扰会产生电流腐蚀,容易发生管道穿孔事故。阐述直流杂散电流的定义及来源、腐蚀原理、检测技术手段、防护措施和效果评价方法,总结在每种防护杂散电流措施的优缺点。Buried metals pipeline will produce galvanic corrosion by the interference of DC stray current.It＇s easy to occur to accident of pipe perforation.This paper describes the definition and source of DC stray current corrosion,principle of corrosion,detection techniques,protective measures and effect methods of evaluation,summarizes the advantages and disadvantages of each protective measures,clearing the mitigation and protection of stray current research directions.

关 键 词：埋地管道 腐蚀 杂散电流 防护 

分 类 号：TE881[石油与天然气工程—油气储运工程]