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Production of molten iron in an electric arc furnace by melting pre-reduced metal fines which are charged hot directly to the furnace from the reduction stage
Production of molten iron in an electric arc furnace by melting pre-reduced metal fines which are charged hot directly to the furnace from the reduction stage
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机译:通过熔化预先还原的金属细粉,在电弧炉中生产铁水,这些金属细粉从还原阶段直接装入炉中
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摘要
Production of molten iron, in an electric arc furnace incorporating several electrodes, equipped with a hearth and containing a heel surmounted by a non-foaming molten slag, consists of: (a) reduction of metallic fines to form pre-reduced metal fines with an excess of free carbon; (b) the hot transfer of the pre-reduced metal fines to the inside of a curtain of inert gas in the heel of the bath contained in the electric arc furnace; (c) stirring of the heel of the bath by gas injection in a manner to avoid the formation of crust; (d) melting of the pre-reduced metal fines in the electric arc furnace to produce molten iron.
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