阴极保护技术在地下输水管道上的应用

Application of Cathodic Protection Technique in Underground Water Transfer Lines

通过分析大庆红旗泡水库至化肥厂地下输水管道的腐蚀状况，介绍了外加电流法为主，牺牲阳极法为辅的阴极保护法和涂料防腐的保护原理以及在该管道上的应用情况。

Through analyzing corrosion conditions of underground water transfer lines between Daqing Hongqi lake reservoir and chemical fertilizer plant, cathodic protection technique of relying mainly on the applied current while making sacrifice anodic protection subsidiary and the protection principle of paint anticorrosion as well as the application condition in the lines are presented, and precautions in operation are proposed.