This article analyzes the reasons of the corroding of pumps and the original protecting not well.After analyzing several panits, we get a good result with polyamide oxide pait.

• 通过机泵表面腐蚀及原防腐层耐腐蚀性不好的原因,进行了理论分析,通过对涂料的筛选,采用聚酰胺环氧磁漆,效果很好。