AOD炉中氧化钼直接合金化冶炼不锈钢的热力学分析  

Thermodynamic Analysis on Direct Alloying of Molybdenum Oxide for Stainless Steel in AOD Furnace

作　　者：马登 郭培民 庞建明 赵沛 

机构地区：[1]中国钢研科技集团有限公司低温冶金与资源高效利用中心,北京100081

出　　处：《钢铁》2014年第5期19-23,共5页Iron and Steel

基　　金：国家环保公益性行业科研专项课题资助项目(201209023);国家"十二五"科技支撑计划资助项目(2012BAC20B1008)

摘　　要：研究了钼元素的氧化反应以及三氧化钼的还原反应,并分析了氧化钼的加入对AOD冶炼不锈钢过程以及不锈钢液成分的影响;在此基础之上,研究了严重影响钼收得率的氧化钼挥发问题,最后分别探讨了去碳保钼以及去碳保铬的热力学条件。通过上述的计算和分析,认为氧化钼接入AOD炉中直接还原冶炼不锈钢是可行的,但在加入时,需配入一定量的还原剂和固定剂,这样才能降低氧化钼的加入对钢液质量以及钢液温度的影响,同时提高钼元素的利用率并冶炼出优质不锈钢种。The oxidation reaction of molybdenum and reduction reaction of molybdenum trioxide were discussed, and the effect of the addition of molybdenum oxide on AOD process and the component of liquid steel was also investigated. The subsequent research was focused on the volatilization of molybdenum oxide which had a serious impact on the recovery of molybdenum. Finally, thermodynamic analysis of ＂decarburization and molybdenum conservation＂ and ＂decarburization and chromium conservation＇was accomplished. The direct alloying of molybdenum oxide in AOD is completely feasible, additional reducing agent and fixative agent, however, should be added to AOD, together with molybdenum oxide for higher recovery of molybdenum and better stainless steel.

关 键 词：氧化钼 直接合金化 AOD炉 热力学 

分 类 号：TF764.1[冶金工程—钢铁冶金]