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

1981-02-23

1982-07-06

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 35, 75 91, 266156, 266176, 266186, 266191, C21B 1302

Patent

active

043381235

ABSTRACT:
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.

REFERENCES:
patent: 3799521 (1974-03-01), Celada et al.
patent: 3836131 (1974-09-01), Beggs
patent: 3850616 (1974-11-01), Cruse, Jr.

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