Method for producing molten iron by submerged combustion

Details Method for producing molten iron by submerged combustion Method for producing molten iron by submerged combustion

1979-07-16

1980-12-09

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 25, C21B 1306

Patent

active

042382262

ABSTRACT:
A method and apparatus for reducing particulate iron oxide and producing molten iron in which coal and oxygen are injected into a molten iron bath to melt the iron, gasify the coal and produce a hot off-gas which is then used as the reductant in a counterflow shaft furnace to reduce iron oxide pellets and/or natural ore in a continuous manner. The hot reduced iron product from the shaft furnace is discharged directly into the molten iron bath from which the molten iron product is discharged.

REFERENCES:
patent: 3990886 (1976-11-01), Sunter
patent: 4007034 (1977-02-01), Hartwig et al.
patent: 4045214 (1977-08-01), Wetzel et al.

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