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对CaO—MgO—SiO_2—A1_2O_3—TiO_2五元系渣的脱硫能力用“同等条件”法作了实验研究。所用五元系炉渣成份与攀钢高炉终渣成份接近。通过混料回归分析得到以各组分含量为函数的硫分配比（Ls）数学模型。运用该数学模型可预报攀钢高炉渣的硫分配系数。用此数学模型探讨了各组分对Ls的影响和对脱硫过程动力学分析,提出了提高攀钢高炉渣脱硫能力的措施。
The desulfurization capacity of CaO-MgO-SiO 2 -Al 2 O 3 -TiO 2 ternary system slag was experimentally studied with the “same conditions” method. The pentavalent system slag composition and Panzhihua blast furnace slag composition close. Through the mixture regression analysis, the mathematical model of sulfur distribution ratio (Ls) was obtained as a function of each component. The mathematical model can be used to predict the sulfur distribution coefficient of blast furnace slag. Using this mathematical model, the influence of each component on Ls and the kinetics analysis of desulfurization process were discussed. The measures to improve desulfurization capacity of blast furnace slag in Pangang were put forward.