铬刚玉质耐火材料抗侵蚀机理研究  

Study on Corrosion Resistance Mechanism of Chromium Corundum Refractory Materials

作　　者：陈金凤 蔡玮 张忠[1] 丛培源[1] CHEN Jinfeng;CAI Wei;ZHANG Zhong;CONG Peiyuan(Wuhan Research Institute of Metallurgy Construction Co.,Ltd.,of MCC Group,Wuhan 430081,China)

机构地区：[1]中冶武汉冶金建筑研究院有限公司,湖北武汉430081

出　　处：《工业炉》2023年第6期5-8,13,共5页Industrial Furnace

摘　　要：铬刚玉质(Al_(2)O_(3)-Cr_(2)O_(3)系)耐火材料具有良好的力学性能、高温性能和抗冲刷性,但其在高温服役过程中面临着Cr6+风险。基于此,以铝铬渣为主要原料制备铬刚玉质耐火材料,在不同碱度炉渣在氧化和还原气氛条件下,分别对铬刚玉质耐火材料进行侵蚀研究,分析其微观结构的变化及蚀损机理,为铬刚玉质耐火材料的应用提供理论指导。Chromium corundum refractory materials(Al_(2)O_(3)-Cr_(2)O_(3) system)have good mechanical prop-erties,high-temperature performance,and erosion resistance,but they face the risk of Cr6+during high-temperature service.Based on this,the aluminum chromium slag is used as the main raw material to pre-pare chromium corundum refractory materials.Erosion research on chromium corundum refractory materials is carried out with different alkalinity furnace slag under oxidation and reduction atmosphere conditions,the microstructure changes and erosion mechanism are analyzed,which provides theoretical guidance for the application of chromium corundum refractory materials.

关 键 词：铬刚玉 耐火材料 抗侵蚀 炉渣碱度 

分 类 号：TQ175[化学工程—硅酸盐工业]