Apparatus for production of direct reduced iron with reduced fue

Details Apparatus for production of direct reduced iron with reduced fue Apparatus for production of direct reduced iron with reduced fue

1999-06-08

2000-09-12

Andrews, Melvyn

Metallurgical apparatus

With means treating or handling gases exhausted by treating...

Having means to treat or handle gases evolving from rotary...

266177, C21B 722

Patent

active

061173878

ABSTRACT:
A system for producing direct reduced iron wherein iron oxide material and carbonaceous material is passed successively through an oxidizing zone and a reducing zone of a furnace, each zone fired by oxy-fuel combustion, enabling a reduction in the amount of fuel needed to process the material while generating sufficient carbon monoxide to effect the reduction and ensuring that little or no carbon monoxide is emitted from the furnace.

REFERENCES:
patent: 5567224 (1996-10-01), Kundrat
patent: 5730775 (1998-03-01), Meissner
Feinman, "Iron by Direct Reduction", Encyclopedia of Chemical Technology, vol. 13 pp. 754-763 (1981).
Hanewald et al., "Recovery of Metals from Steel Wastes and Production of DRI by the INMETCO Process", Iron and Steel Engineer, pp. 62-67 (Mar., 1985).
Tennies et al., "The Midrex Fastmet Process, a Simple Economic Ironmaking Option", Metallurgical Plant and Technology International, pp. 36-42 (Feb., 1991).

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