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含BaO、Na₂O精炼渣系组分对硫分配比的影响

Effect of constituents of BaO、Na₂O bearing refining slag series on sulfur distribution ratio

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【Author】 GAO Xiang-ming1,SUN Li-jun1,LI Gui-jun2,ZENG Jian-hua2,ZHANG Min2,HE Sheng-ping3,WANG Qian3(1.School of Materials and Metallurgy,Kunming University of Science andTechnology,Kunming 650093,China;2.Panzhihua Iron and Steel Research,Institute,Panzhihua 617000,China;3.School of Materials Science & andMetallurgy,Chongqing University,Chongqing 400044,China)

【机构】昆明理工大学材料与冶金学院；攀枝花钢铁集团公司钢铁研究院；重庆大学材料科学与工程学院；

【摘要】采用二次正交回归方法设计了以CaO-Al2O3为基本组成,并添加MgO、BaO、CaF2、Na2O等组分的精炼渣;通过实验室系统地研究,建立了硫分配比与精炼渣组分质量分数关系的数学模型;确定了脱硫精炼渣的最佳组成。采用该精炼渣进行脱硫试验,可使钢中硫质量分数降至0.000 4%。更多还原

【Abstract】 CaO-Al2O3 based refining slag,containing auxiliary components such as MgO,BaO,CaF2,Na2O is designed by quadratic orthogonal regression method in this paper.Through the systematic experiment research,mathematical model of the relations between the compositions content and the sulfur distribution ratio has been established,and the optimized compositions of the refining slag defined.\ in steel could be reduced to 0.000 4 % by using the refining slag.更多还原