Fluidized bed direct steelmaking plant

Details Fluidized bed direct steelmaking plant Fluidized bed direct steelmaking plant

1992-05-26

1995-04-18

Kastler, Scott

Metallurgical apparatus

Geographic or structural installation

266144, 266154, 266172, C22B 700

Patent

active

054071798

ABSTRACT:
A fluidized bed direct steelmaking plant for reducing raw iron ore fines and directly producing an iron product in a virtually closed gas system comprises an ore feed assembly, a multi-stage reactor assembly with a compacting assembly, a gasifier/smelter assembly, and, a reducing gas assembly. Reducing gases utilized in the plant are produced from processed offgas from said smelter assembly and recycled reducing gases from said reactor assembly. The processed offgas is 100% utilizable as reducing gas by balancing the reduced iron ore between the gasifier/smelter and compacting assemblies. The iron product is refinable into steel with a standard available refining assembly, such as a ladle or basic oxygen furnace, for removal of impurities prior to casting.

REFERENCES:
patent: 3160498 (1964-12-01), Olt et al.
patent: 4359212 (1982-11-01), Bengtsson
patent: 5082251 (1992-01-01), Whipp

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