中温换热器检查及修复方案  

Inspection and Repair of Mid-Temperature Heat Exchangers

作　　者：钟锋[1] 张春英[1] 张严建 

机构地区：[1]山东省兖矿鲁南化肥厂工程总公司

出　　处：《化工机械》2002年第4期242-244,共3页Chemical Engineering & Machinery

摘　　要：经分析认为中温换热器缺陷出现的主要原因是H2 S腐蚀。采取更换短管以及补焊上段下管板的措施进行修复 。H 2S corrosion induced the defects of mid temperature heat exchangers. The repair methods were to replace short tubes,and to weld the down tubes and sheets at the top section,and the result was good.

关 键 词：检查 中温换热器 泄漏 修复 化肥 生产设备 

分 类 号：TQ440.5[化学工程—化学肥料工业] TQ051.5