苯胺装置循环废酸泵的选材
Selection of Materials for Circular Disposal Acid Pump in Aniline Unit
摘 要
利用静态挂片试验、扫描电镜(SEM)和能谱(EDS)分析方法,比较了Hastelloy C合金、804合金、20号合金、904L和316L不锈钢在温度为80 ℃的循环废酸中的耐蚀性能,对循环废酸泵进行了选材研究.结果表明在温度为80 ℃的循环废酸中,除Hastelloy C合金外,其余四种合金都具有优异的耐蚀性.
Hastelloy C合金
804合金
316L不锈钢
circular disposal acid pump
Hastelloy C alloy
804 alloy
316L stainless steel
Abstract
In order to select a proper material for the circular disposal acid pump in the aniline unit,the weight-loss method,SEM and EDS techniqus were adapted to study the anticorrosive properties of Hastelloy C alloy,804 alloy,20 alloy,904L and 316L stainless steels in the circular disposal acid at 80 ℃.The results showed that except Hastelloy C alloy,the other four kinds of alloys had excellent anticorrosive properties in the circular disposal acid at 80 ℃.
中图分类号 TG174.2
所属栏目 应用技术
基金项目
收稿日期 2007/9/27
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引用该论文: GUO Jin-biao,SONG Xue-yong,SHENG Gang,ZHANG Ting,WANG Gui-min. Selection of Materials for Circular Disposal Acid Pump in Aniline Unit[J]. Corrosion & Protection, 2008, 29(9): 550～551
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