重油催化裂化装置余热炉省煤器翅片管腐蚀分析  

Corrosion Analysis of Fin Tube of Coal Economizer in RFCC Heat Recovery Boiler

作　　者：朱金炜 周明堂[1] 宋国[1] 尹毅[1] 刘波[1] 徐传忠[1] 方德全[1] 

机构地区：[1]中国石油抚顺石化公司,辽宁抚顺113004

出　　处：《当代化工》2015年第8期1937-1939,共3页Contemporary Chemical Industry

摘　　要：介绍了抚顺石化公司1.7 Mt/a重油催化裂化装置余热炉省煤器翅片管的腐蚀现象。结合翅片管的使用条件和腐蚀机理,利用材质分析、金相分析、电镜观察和能谱分析等技术手段,查找出了腐蚀原因,提出了整改意见。为同类装置余热炉省煤器长周期运行提供了参考。The corrosion of the fin tube of coal economizer of heat recovery boiler in 1.7 Mt/a heavy oil catalytic cracking unit in Fushun Petrochemical Company was introduced. Combined with the use conditions and corrosion mechanism of the finned tube, material analysis, metallographic analysis, SEM and energy spectrum analysis and other technical means were used to find out the reasons to cause the corrosion, and improvement measures were put forward.

关 键 词：重油催化裂化 余热炉 翅片管 腐蚀 

分 类 号：TE624[石油与天然气工程—油气加工工程]