腐蚀监测技术在高压直流干扰埋地管道领域的应用现状

Application Status of Corrosion Monitoring Technologies in the Field of High-Voltage Direct Current Interference in Buried Pipelines

为更好地了解高压直流接地极单极运行对管道的腐蚀风险,综述了近几十年埋地管道的腐蚀监测技术,介绍了不同腐蚀监测技术的原理,总结了不同腐蚀监测技术在埋地管道高压直流干扰方面的应用现状;重点分析了现场埋片法、智能桩监测法、ER腐蚀速率探针法和实验室模拟实验4种腐蚀速测量方法在高压直流干扰埋地管道腐蚀速率评估的优势与不足。在此基础上,提出了不同腐蚀监测技术在高压直流干扰埋地管道的应用建议,并展望了高压直流干扰埋地管道腐蚀速率监测技术的新方向,为相关研究人员和工程人员提供参考和借鉴。

In order to better understand the corrosion risk of single pole operation of high-voltage direct current(HVDC)grounding electrodes on pipelines,a comprehensive review of corrosion monitoring technologies for buried pipelines over recent decades was conducted in this paper;the principles of various corrosion monitoring techniques were introduced,and the application status of different corrosion monitoring technolo-gies in the context of HVDC interference with buried pipelines was summarized;the advantages and disadvantages of four rapid corrosion meas-urement methods,namely the field burial method,intelligent pile monitoring method,electrochemical reduction(ER)corrosion rate probe method and laboratory simulation experiments,in evaluating the corrosion rate of buried pipelines under HVDC interference were mainly ana-lyzed.Based on this analysis,recommendations for the application of various corrosion monitoring techniques in the field of HVDC interference with buried pipelines were proposed.Additionally,new directions in monitoring technology for corrosion rate of buried pipelines under HVDC interference were explored,providing references for relevant researchers and engineers.