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Abstract

A method for iron making by continuous smelting reduction, including: (1) mixing iron- containing mineral powder with a reducing agent and a slag former to obtain mixed powder materials; (2) placing furnace startup materials in a reducing furnace, and heating the furnace startup materials to be in a molten state to form a furnace startup molten pool; (3) conveying the mixed powder materials into the reducing furnace, and blowing oxidizing combustibles into the reducing furnace for heating; (4) performing stirring by a stirring paddle to form a molten slag layer and a molten iron layer; and performing stirring so that a vortex is formed in the molten slag layer; and (5) adjusting a position of the stirring paddle, a stirring speed and a conveying quantity of the mixed powder materials to enable the molten iron and the reduced molten slag to be respectively continuously discharged.

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First Claim