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退火炉辐射管的高温腐蚀 被引量:2

HIGH TEMPERATURE CORROSION OF PIPE RADIATOR FOR ANNEALING FURNACE
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摘要 某钢厂辐射管为退火炉的主要加热设备,在运行过程中受到严重腐蚀.本文用X光衍射分析、扫描电镜及能谱分析等手段对腐蚀产物进行分析,确定其腐蚀失效原因.结果表明:造成材料腐蚀最有害的成份为S、F、Cl、V,因此,腐蚀的主要类型是硫腐蚀、氧化,但同时存在钒腐蚀和卤族元素的腐蚀,因而腐蚀的过程是多种类型腐蚀互相影响、共同作用的结果. Pipe radiators are the main heating elements for annealing furnaces in a steelworks, and which was suffered from serious corrosion. To understand the corrosion process, in this study, corrosion products are analyzed by X ray diffraction、scanning electron microscope and EDS. The resutts show that S、F、Cl and V are the main corrosive substances resulting in corrosion. Therefore, the main type of the corrosion of the pipe radiator is sulfidation and oxidation. At the same time, V corrosion and chlorine corrosion are also existed. The corrosion is caused by combined actions of many corrosion mediums.
出处 《腐蚀科学与防护技术》 CAS CSCD 北大核心 2006年第3期202-205,共4页 Corrosion Science and Protection Technology
关键词 辐射管 高温腐蚀 焦炉煤气 pipe radiator high temperature corrosion coke oven gas
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