Bottom-blowing smelting equipment
A technology for smelting equipment and furnace body, which is applied in the direction of lighting and heating equipment, crucible furnace, furnace, etc., to achieve the effect of reducing reaction energy consumption and sufficient smelting reaction
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[0041] Add dry laterite, reduced coal and sulfur into the smelting furnace through the material inlet 11, and the mixed gas composed of reducing gas and protective gas is sprayed into the molten pool from the bottom blowing lance; gasified sulfur steam and protective gas are also sprayed into the melting pool through the bottom blowing lance molten pool. Molten laterite undergoes reduction reaction and nickel and iron sulfidation reaction under the action of reducing gas and sulfur vapor respectively. The reducing gas, sulfur vapor and protective gas injected by the bottom blowing lance can stir the melt violently, and the bubbling device 18 can accelerate the stirring effect. The low-nickel matte produced by reduction vulcanization is discharged from the product outlet 13, and the molten slag is discharged from the waste slag outlet 14.
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