乍得原油管道阴极保护系统异常原因分析及解决方法
Cause Analysis and Solution of Abnormal Behavior of Cathodic Protection for Chad Crude Pipeline
摘 要
介绍了乍得原油管道工程阴极保护系统的设计、调试与试运，分析了阴极保护系统调试中遇到的自腐蚀电位异常以及阀室阴极保护电流泄漏问题。通过完全摘除临时阴极保护所用牺牲阳极以及在恒电位仪输出和输出端增加绝缘解决了上述问题。
阴极保护
阀室电流泄漏
commissioning and operation
cathodic protection
current leakage in valve
Abstract
The cathodic protection system design, construction and commissioning for Chad crude pipeline were introduced. Abnormal corrosion potential and current leakage in valve station were analyzed in the cathodic protection system commissioning, and above problems were solved by completely disconnecting the temporary sacrificial anodes and increasing an insulation between iutput and output ends of potentiostat.
中图分类号 TG174 DOI 10.11973/fsyfh-201705007
所属栏目 管道防护技术
基金项目
收稿日期 2015/6/19
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引用该论文: NA Na,QIE Zhenlei,ZHENG Ansheng,LIU Jia,LIAO Yuzhao. Cause Analysis and Solution of Abnormal Behavior of Cathodic Protection for Chad Crude Pipeline[J]. Corrosion & Protection, 2017, 38(5): 353
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参考文献
【1】李佳青,杨永志,安卓亮,等. 加盐保湿降低阳极地床接地电阻解决恒电位仪超槽压告警[J]. 腐蚀与防护,2013,34(5):440-441.
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