摘要
分析大连石化公司350万催化裂化装置各部分的腐蚀类型和腐蚀机理,列举了装置发生的典型腐蚀案例,分析腐蚀发生的成因,总结防护和整改措施。阐述各部分腐蚀介质的产生原因,提出了整改措施和改进办法。
Corrosion type and corrosion mechanism of 3.5 Mt/a heavy oil catalytic cracking unit in Dalian petroleum chemical company were analyzed.The typical corrosion case in the catalytic cracking unit was discussed,corrosion causes were analyzed,some anticorrosion measures were put forward.Sources of corrosion medium were analyzed,improving methods were put forward.
出处
《辽宁化工》
CAS
2011年第5期532-535,共4页
Liaoning Chemical Industry
关键词
高温烟气
连多硫酸
湿硫化氢腐蚀
应力开裂
High temperature flue gas
Polythionic acid
Corrosion in wet hydrogen sulfide environment
stress cracking
