FIELD: impoverishment units. SUBSTANCE: unit has melt reservoir provided with melt inlet and outlet passages, cover fitted with branch pipe for suction gas and loading device for solid materials, Reservoir is divided into reaction and loading zones by partition having port in its lower part. Ratio of square area of these zones ranges from 1.2 to 4.0 Reaction zone is provided with tuyeres for inlet of reducing gas at distance equal to 2-18 calibers of tuyere nozzle from hearth. EFFECT: enhanced reliability. 2 dwg
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