换热器列管与管板焊接应力腐蚀裂纹的防治

Protection of Stain Corrosive Cracking on Welding Between Pipe and Plate in Heat Exchanger

对换热器列管与管板焊缝泄漏原因进行分析,提出控制产生腐蚀泄漏的相应措施,及检修过程中泄漏处理的方法。

The article describes the approach to avoid corrosive leakage and method to deal with the leakage during maintenance on the basis of the analysis on the cause of leakage from the welding seams between pipes and plates in heat exchangers.