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Optimization of reducing agent for producing high vanadium pig iron by melting reduction in electric furnace
Pages: 18-22
Year: Issue:  3
Journal: Research on Iron and Steel

Keyword:  vanadium titanomagnetite metallized pelletforming slagsoftware FACTSagerecovery ratio;
Abstract: Aiming at the problem of foaming slag during melting reduction of vanadium titanomagnetite metallized pellet in electric furnace,several common reducing agents such as coke,silicon,aluminum and calcium carbide were analyzed.The results showed that using calcium carbide as reducing agent was good for eliminating forming slag.Then the reducing effects of calcium carbide were calculated by software FACTSage.The influence of temperature,basicity,reducer dosage,metallization ratio on mass fraction of every element was analyzed.Comparing the reducing result of calcium carbide with coke,aprocess design which coke and calcium carbide were used as reducing agents by stages was put forward.
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