蜡油罐罐底板点蚀原因分析及防护对策  

Cause analysis of pitting on the bottom plate ofwax oil tank and its countermeasures

作　　者：赵静[1] ZHAO Jing(SINOPEC Luoyang Company,Luoyang 471012,China)

机构地区：[1]中国石油化工股份有限公司洛阳分公司,河南洛阳471012

出　　处：《石油化工腐蚀与防护》2023年第2期61-64,共4页Corrosion & Protection In Petrochemical Industry

摘　　要：中国中部某炼化企业在对7号蜡油罐区的常压储罐进行清罐检修时经常发现罐底存在严重的点蚀穿孔现象,为详细掌握蜡油罐罐底板发生点蚀穿孔的原因,以G704蜡油罐罐底板腐蚀为例,分析了造成储罐罐底板发生点蚀穿孔的机理及原因,并提出了具体的防护对策,以提高储罐的安全运行水平。Serious pitting and perforation have been found frequently on the bottom of atmospheric tank in No.7 wax oil tank area of a petrochemical enterprise in central China during maintenance.In order to figure out the cause of pitting on the bottom plate of wax oil tank,taking the corrosion on the bottom plate of G704 wax oil tank as an example,mechanism and cause of pitting on the tank bottom were analyzed,specific countermeasures were proposed to improve the safe operation level of storage tank.

关 键 词：蜡油罐 点蚀 分析 机理 对策 

分 类 号：TE988[石油与天然气工程—石油机械设备]