From halogen pipe secondary leakage situation in Jiangsu Huai'an Salt Mining Company,it was analyzed the impressed current cathodic protection in the special role of halogen pipeline.Which expounded the protective device in the conveyor NaCl this highly conductive liquid that the importance for the safe operation of the pipeline protective layer.It was analyzed the mandatory cathodic protection in brine and the difference between the oil and gas in the pipeline.And it must be discussed and summarized how to strengthen the maintenance and use of cathodic protection.%文章从江苏淮盐矿业公司输卤管线二次泄漏情况,分析研究了强制电流阴极保护在输卤管道中的特殊作用,阐述了保护装置在输送NaCl这种高导电液体中对管道内防护层安全运行的重要性,剖析强制电流阴极保护在卤水管道中与输油、输气的区别.并对如何加强阴极保护的维护和使用作了一定的探讨和总结.
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