Method and apparatus for the reduction of metal ores

Details Method and apparatus for the reduction of metal ores Method and apparatus for the reduction of metal ores

C - Chemistry, Metallurgy

22

B

53/349, 39/53

C22B 5/14 (2006.01) C21B 13/00 (2006.01) C21B 13/02 (2006.01) C21B 13/04 (2006.01)

Patent

CA 1185437

ABSTRACT OF THE DISCLOSURE A method and apparatus is disclosed for reducing metal ore to sponge metal in a vertical shaft, moving bed, gaseous reduction reactor by controlling the amount of gas intermixing between the reduction and cooling zones of the reactor to result in increased productivity and improved carburization of sponge iron. In accordance with a preferred embodiment, process efficiency is maximized while capital cost is minimized through the use of an optimally designed reactor with a pre-determined equivalent height to equivalent diameter ratio.

395550

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