A METHOD FOR THE BLAST FURNACE MELTING

The invention relates to ferrous metallurgy, in particular to a method for blast furnace melting. A method for the blast furnace melting includes loading through the supply furnace mouth. Preliminarily the furnace is put into loading iron ore materials and coke by separate supplies with an increase of coke supply mass from the maximum acceptable base value which is determined from the relation of MS? MSB * CB/(CB û C * CL), where MS, MSB û the mass of coke supply respectively in modes with replacement of coke by coal and in base one, t, CB û specific consumption of coke in the base mode, kg/t of cast iron, C û amount of supplied coal in exchange of coke, kg/kg, to the maximal amount of coke supply. The coal is mixed with iron ore materials in every supply at a ratio of more than 6 t of iron ore materials per 1 t of coal. The invention provides decrease of coke consumption, increase of blast furnace melting productivity.