Process for sintering iron oxide-containing materials on a sinte

Details Process for sintering iron oxide-containing materials on a sinte Process for sintering iron oxide-containing materials on a sinte

1992-10-02

1995-12-19

Kastler, Scott

Specialized metallurgical processes, compositions for use therei

Processes

Consolidating metalliferous material by agglomerating,...

266176, 266156, C22B 116

Patent

active

054765331

ABSTRACT:
A sinterable mixture comprising iron-containing materials and solid fuel is sintered on a sintering machine; to decrease the rate at which exhaust gas is to be removed and to produce a desirable sinter, a part of the exhaust gas is enriched to an oxygen content of up to 24% by the addition of higher-oxygen gases and is then recirculated as a recycle gas, and exhaust gas is removed as a tail gas from the process only at a rate which corresponds to the rate of the gas which is formed during the sintering process plus the rate of the gas added for enriching plus the rate of inleaked air which has infiltrated from the outside minus the rate of oxygen consumption.

REFERENCES:
patent: 2672412 (1954-03-01), Burrow et al.
European Search Report EP 92 20 2867, Dec. 3, 1992.

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