中间包镁钙质涂料对IF钢总氧含量的影响  

Influence of magnesia-calcium tundish coating on total oxygen content of IF steel

作　　者：何成[1] 魏耀武[1] 陶晓林[2] 邓品团[2] 刘恒[1] 

机构地区：[1]武汉科技大学耐火材料与高温陶瓷国家重点实验室,湖北武汉430081 [2]武汉钢铁股份公司炼钢总厂,武汉430082

出　　处：《炼钢》2010年第4期67-69,74,共4页Steelmaking

摘　　要：研究了无间隙原子钢(IF钢)在镁钙质涂料内衬中冶炼前后的总氧含量变化。借助电子显微镜(SEM)和能谱(EDS)对涂料和钢水反应层进行了分析。结果表明:钢水与耐火材料接触一段时间后,在涂料中形成反应层、渗透区和原质层3个区域;随着钢样熔炼时间的延长,钢中的总氧含量逐步上升,并在120min左右时达到最大值,随后钢中的总氧含量开始下降。The change of oxygen content of IF steel in the lining of magnesia-calcium coating was investigated from start to the end of melting. The reacted layer of coating and liquid steel was studied by SEM and EDS. It is found that three areas are formed after the steel contacts with the refractory for a certain time. With the extension of smelting time the total oxygen content of IF steel increases gradually and reaches maximum after 120 minutes, then the total oxygen content begins to decline.

关 键 词：镁钙质涂料 中间包 反应层 总氧含量 

分 类 号：TF702[冶金工程—钢铁冶金]