不锈钢渣熔融还原中铬在铁浴和熔渣间的分配行为  

Allotment Behavior of Chromium between Iron Melt and Molten Slag in Melting Reduction of Stainless Steel Slag

作　　者：郭杰[1] 林姜多[1] 刘之彭 李秋菊[1] 洪新[1] 

机构地区：[1]上海大学上海市现代冶金与材料制备重点实验室,上海200072

出　　处：《有色金属（冶炼部分）》2011年第9期1-4,共4页Nonferrous Metals（Extractive Metallurgy)

基　　金：国家自然科学基金项目(50634040)

摘　　要：通过正交试验考察不锈钢渣铁浴熔融还原中反应温度、炉渣碱度、渣中Al2O3含量及铁水初始铬含量对铬在铁浴和碱性炉渣间分配行为的影响。试验在石墨坩埚内进行,还原剂为碳饱和铁水中的碳。试验结果表明,对影响渣中铬还原因素的显著性顺序依次为:炉渣碱度>渣中Al2O3含量>铁水初始铬含量>反应温度。此外采用模式识别方法对试验样本进行聚类分析和优化,以获得对渣中氧化铬还原的最佳参数。The effects of reaction temperature,slag basicity,Al2O3 content and initial Cr content in bath on allotment behavior of chromite between iron melt and molten slag were studied through orthogonal experiments for melting reduction of stainless slag.The experiments were carried out in a furnace with graphite crucible employing carbon saturated dissolved in liquid iron as a reducing agent.The results showed that slag basicity was the primary factor for chromium reduction,which was followed by Al2O3 content in slag,initial Cr content in iron bath and reaction temperature.Besides,Pattern-Recognition-Method was applied for classification analog and optimization of the experimental samples,from which better reduction parameters of chromium oxide in slag was obtained.

关 键 词：不锈钢渣 铬 熔融还原 正交试验 模式识别 

分 类 号：TF703.6[冶金工程—钢铁冶金]