MULTI-COMPONENT REDUCING MIXTURE FOR MELTING OF FERROSILICIUM Russian patent published in 2009 - IPC C22C33/04 

FIELD: metallurgy.

SUBSTANCE: invention refers to iron and steel industry, particularly to production of ferroalloys by carbothermic reduction. Reducing mixture contains coke nut, brown coal of B grade with the lower heat of working fuel combustion equal to 3200 kcal/kg and working moisture contents up to 40 %; as loosening substance the reducing mixture contains cannel coal and wood chips at following ratio, % (for carbon): cannel coal 25-50, brown coal of B grade 14-20, wood chips 2-5, coke nut - the rest.

EFFECT: possibility to develop multi-component reducing mixture of lowered caloric value.

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