Material Proportioning Calculations for Aluminothermic Reduction of Ti-containing Slag
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摘要: 由于原料和产品成本低,铝热还原含钛渣制备Ti-Al基合金是一种很有前景的工艺。要获得良好的渣金分离效果和所需的Ti Al合金组成,物料配比计算是必要的。该研究导出了铝热还原钛氧化物系物料配比计算的一般方程。利用这些方程,对铝热还原酸溶性钛渣进行了配料计算,并对渣的成分、合金成分、元素在渣和合金相中的分布进行了计算。本研究所得的一般方程可用于金属氧化物系铝热还原过程的设计。Abstract: The preparation of Ti-Al based alloy by aluminothermic reduction of Ti-bearing slag is a promising process due to the low cost of raw materials and products.To obtain a good slag-metal separation and required composition of Ti Al alloy,the material proportioning calculations are necessary. In this work,the general equations of material proportioning calculations for aluminothermic reduction of Ti oxides were derived.Using the obtained equations,the material proportioning calculations for aluminothermic reduction of acid-soluble titanium slag were conducted,and the slag composition,alloy composition and distribution of elements between alloy and slag phases were also calculated. The general equations derived in present study can be used in design of aluminothermic reduction process of metallic oxides system.
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