浅论阴极保护在上海石化装置推广的可行性

Feasibility of Cathode Protection Method Application in Shanghai Petrochemical Company's apparatus

概要介绍了腐蚀和阴极保护的原理 ,分析化工厂金属结构物受到土壤电化学腐蚀、异种金属接触构成的电偶腐蚀、土壤不均匀性造成的腐蚀、混凝土中钢筋引起的腐蚀、循环水系统中的腐蚀等 ,提出了化工厂金属结构物、地下金属结构物与循环水系统的阴极保护 。

This paper outlined the principles of erosion and cathode protection,and analyzed the corrosion phenomena of the metal frameworks caused by soil electrochemistry,heterogeneity metal contact,soil inhomogeneity,reinforcing steel bar in concrete,and materials in circulating water system in chemical industries Some cathode protection methods for metal structures of chemical plants,underground metal structures,and circulating water system were advised,including options of sacrificial anode and applying electric current from outside