FIELD: metallurgy.
SUBSTANCE: method involves continuous loading to the furnace of charge with reducing carbon mixture and its electrothermic melting. At that, melting is performed in conditions of optimum compliance of electric operating mode to geometrical parameters of ore heat-treatment furnace as per ratios obtained during operation of furnaces, which use fossil coals in quantity of 50% as to carbon in composition of reducing carbon mixture.
EFFECT: invention allows melting ferrosilicon at minimum specific consumption of raw material and electric energy by optimising geometrical dimensions of ore heat-treatment furnace and electrical melting modes, which are determined depending on ratio of fossil coals in reducing carbon mixture.
3 cl, 3 tbl, 2 dwg
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