摘要
通过分析高压直流输电系统对埋地油气管道直流干扰的机理,针对接地极入地电流的特征以及不同环境条件,对管道金属材料腐蚀产生影响的各项参数进行调研及分析,确定了接地极对管道腐蚀产生影响的参数为管道材质、土壤电阻率、土壤pH、土壤模拟溶液、泄漏电流密度以及持续时间。
By analyzing the mechanism of DC interfere nce of HVDC transmission system to buried oil a nd gas pipelines,the parameters affecting corrosion of pipeline metal materials were investigated and analyzed according to the characteristics of grounding electrode eart hing current and different environmental condit ions.The parameters that determine the corrosive effect of grounding ele ctrode on the corrosion of pipelines are pipe m aterial,soil resistivity, soil pH,simulated soil solution,leakage current density and duration.
作者
古彤
白锋
刘震军
李正敏
曹方圆
朱凤艳
GU Tong;BAI Feng;LIU Zhengjun;LI Zhengmin;CAO Fangyuan;ZHU Fengyan(China Petroleum Pipeline Research Insistute Co.,Ltd.,Langfang 065000,China;China Electric Power Research Insistute,Beijing 100192,China)
出处
《腐蚀与防护》
CAS
北大核心
2019年第7期533-538,共6页
Corrosion & Protection
基金
国家电网公司总部科技项目(GYB17201600172)
