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应用渣-金间元素反应动力学的实验装置,研究了1460～1620℃之间钒钛渣与含Si,Mn碳饱和铁水间V,Ti氧化物的熔融还原动力学及元素的平衡分配,得到了铁水温度及渣碱度的变化对V,Ti氧化物还原动力学的影响规律及V在渣-铁间的分配行为。实验发现,在所测定的反应时间内,反应可分为两个阶段,并从实验结果推测了各个阶段可能的控制步骤。1460℃下,当平衡渣碱度为1时,钒在渣-金间的分配系数有最低值。
The kinetics of element-reaction kinetics between slag and gold was used to study the melting and reduction kinetics and elemental equilibrium distribution of V and Ti oxides between vanadium-titanium slag and Si-containing and Mn-containing saturated molten irons at 1460-1620 ℃. The influence of the change of molten iron temperature and slag alkalinity on the reduction kinetics of V and Ti oxides and the distribution behavior of V between slag and iron were investigated. The experiment found that within the reaction time, the reaction can be divided into two stages and the possible control steps of each stage are inferred from the experimental results. At 1460 ℃, when the basicity of the balance slag is 1, the distribution coefficient of vanadium between slag and gold has the lowest value.