氢回收换热器泄漏原因分析及修复

Causes Analysis of Leakage in Heat Ex changer during Hydrogen Recovery an d Its Maintenance

介绍了合成氨装置中氢回收换热器的结构,对出现泄漏现象进行分析,摸清损坏情况及原因,采用粘接堵管法及焊接法修复,运行性能良好。

Structure of heat exchanger for hydr ogen recovery in the synthetic ammon ia equipment is introduced.Leakage is analyzed,damage and causes are found out.Dama ge can be recovered by adhering and we lding the pipes.