Method and apparatus for reducing particulate iron oxide to...

Details Method and apparatus for reducing particulate iron oxide to... Method and apparatus for reducing particulate iron oxide to...

C - Chemistry, Metallurgy

21

B

39/53, 53/74

C21B 13/02 (2006.01)

Patent

CA 1110454

ABSTRACT OF THE DISCLOSURE A method and apparatus for reducing particulate iron oxide to molten iron utilizing solid carbonaceous fuel as reductant in a shaft type reducing furnace, in which a furnace burden is formed of a mixture of iron oxide lumps or pellets and particulate solid fuel. Reacted top gas is upgraded and recirculated through the burden in counter-flow relationship thereby heating, reducing and melting the burden. The heat for reduction and melting is generated by passing electric current through the burden.

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