Process for producing liquid crude iron and reduction gas

Details Process for producing liquid crude iron and reduction gas Process for producing liquid crude iron and reduction gas

1979-10-03

1982-03-02

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 26, 75 38, C21B 1100

Patent

active

043176771

ABSTRACT:
A process for the production of molten crude iron and reduction gas is described wherein the molten iron and gas are formed in a smelting gasifier, to which is introduced at the upper portion thereof preheated sponge iron of particle size between 3 mm and 30 mm and coal to form a fluidized bed, and an oxygen-containing gas at the lower portion thereof, and controlling the ratio of oxygen-containing gas and coal to maintain a high temperature zone in the lower portion of the gasifier and a lower temperature zone in the upper portion thereof, the oxygen-containing gas being introduced substantially immediately above the resulting melt which is formed at the bottom of the gasifier.

REFERENCES:
patent: 2321310 (1943-06-01), Moore
patent: 2560470 (1951-07-01), Ogorzaly
patent: 2742352 (1956-04-01), Gilliland
patent: 2774662 (1956-12-01), Graham et al.
patent: 2978315 (1961-04-01), Schenck et al.

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