介绍了 OB2-185E 型循环冷却水泵腐蚀形态，从结构、选材、工作环境等方面分析了腐蚀原因，提出了相应的防护措施。实践表明，采用处理措施后的冷却泵运行8个月后各部件状态良好，未发现有继续腐蚀现象。
The corrosion forms of OB2-185E circulating cooling pump in Tianwan Nuclear Power Station (TNPS) are introduced.The reasons of corrosion are analyzed from the aspects of structure,material-selection,working environment etc.The corresponding protection measures are proposed.The practice shows that all components are in good condition through 8 months of operation after treatment measures were adopted,no further corrosion phenomenon is found.
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