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

53/26, 307/28

C21B 11/10 (2006.01) C21B 13/00 (2006.01) C21B 13/02 (2006.01) C21B 13/12 (2006.01)

Patent

CA 1102139

ABSTRACT OF THE DISCLOSURE A method and apparatus for reducing particulate iron oxide to metallic iron utillzing 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 ?eating and partially reducing the burden. The heat for final reduction is generated by passing electric current through the burden.

295091

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