FIELD: nonferrous metallurgy. SUBSTANCE: furnace has melting impoverishment and converter zones with a common bottom, charging apparatus, vertical lances, gas duct, and outlet unit for discharging blister copper and slag. A baffle is interposed between the melting and converting zones at an altitude that is equal to 0.6-0.8 of the altitude of slag threshold of melting zone and 1.5-2.5 of the altitude of the outlet unit for blister copper. Non- submerged lances are used as the vertical lances. EFFECT: enhanced efficiency. 2 cl, 1 dwg
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Authors
Dates
1994-02-15—Published
1991-04-23—Filed