地铁杂散电流对管道牺牲阳极的影响及防护

doi:10.7623/syxb201601012

石油学报 ›› 2016, Vol. 37 ›› Issue (1): 117-124.DOI: 10.7623/syxb201601012

地铁杂散电流对管道牺牲阳极的影响及防护

董亮, 姜子涛, 杜艳霞, 路民旭, 孟庆思

北京科技大学新材料技术研究院北京 100083

收稿日期:2015-05-31 修回日期:2015-10-26 出版日期:2016-01-25 发布日期:2016-02-02
通讯作者: 姜子涛,男,1985年1月生,2008年获北京科技大学学士学位,2013年获北京科技大学博士学位,现为北京科技大学博士后,主要从事金属材料的腐蚀与防护研究。Email:jiangzitao1986@gmail.com
作者简介:董亮,男,1984年11月生,2007年获北京科技大学学士学位,2013年获北京科技大学博士学位,现为北京科技大学博士后,主要从事金属材料的腐蚀与防护研究。Email:keen.dl@gmail.com
基金资助:
国家自然科学基金项目(No.51401017)和中央高校基本科研业务费专项资金项目(FRF-TP-12-145A)资助。

Influence and protection of metro stray current on pipeline sacrificial anode

Dong Liang, Jiang Zitao, Du Yanxia, Lu Minxu, Meng Qingsi

Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China

Received:2015-05-31 Revised:2015-10-26 Online:2016-01-25 Published:2016-02-02

摘要/Abstract

摘要：

直流牵引的城市地铁系统随着铁轨绝缘性能下降会泄漏杂散电流,对附近埋地管道及其牺牲阳极阴极保护系统造成干扰,威胁管道及其阴极保护系统的安全运行。利用数值模拟技术实现该类干扰问题的计算求解,通过已有文献数据进行验证,同时根据实际案例计算分析了地铁杂散电流对埋地管道阴极保护水平及牺牲阳极输出的影响规律,针对获得的影响规律提出了相应的防护方法,并分析了其有效性,研究结果可为埋地管道地铁杂散电流干扰的防护设计提供参考。

关键词: 地铁杂散电流, 埋地管道, 牺牲阳极, 影响规律, 防护方法

Abstract:

Stray current will leak due to rail insulation reduction in urban metro system with direct current traction.As a result,adjacent buried pipeline and its sacrificial anode cathodic protection system will be interfered to threat the safety operation of pipeline and cathodic protection system.Numerical simulation technology was used to calculate and solve such interference problems,which was verified using the existing literature data.Meanwhile,actual case calculation was performed to analyze the influence laws of metro stray current on buried pipeline cathodic protection level and sacrificial anode output.Aiming at the obtained influence laws,the corresponding protection methods were proposed,and its effectiveness was also analyzed.The research results can provide references for buried pipeline protection design from metro stray current interference.

Key words: metro stray current, buried pipe, sacrificial anode, influence laws, protection method

中图分类号:

TE980.42

董亮, 姜子涛, 杜艳霞, 路民旭, 孟庆思. 地铁杂散电流对管道牺牲阳极的影响及防护[J]. 石油学报, 2016, 37(1): 117-124.

Dong Liang, Jiang Zitao, Du Yanxia, Lu Minxu, Meng Qingsi. Influence and protection of metro stray current on pipeline sacrificial anode[J]. Acta Petrolei Sinica, 2016, 37(1): 117-124.

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地铁杂散电流对管道牺牲阳极的影响及防护

Influence and protection of metro stray current on pipeline sacrificial anode

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