METHOD AND APPARATUS FOR CONTINUOUS REDUCTION AND SOFT ANNEALING OF WATER DISPERSED POWDERED IRON Russian patent published in 1997 - IPC

Abstract RU 2077970 C1

FIELD: powder metallurgy. SUBSTANCE: method involves feeding loose powdered iron charge through indirect heating chamber divided into heating, reduction and cooling zones; providing mixing of powdered iron charge in at least reduction zone where reduction temperature of 800-950 C is set; continuously introducing fresh reducing gas into reduction zone to control dew point of furnace atmosphere. EFFECT: increased efficiency, reduced consumption of powder and reducers. 26 cl, 6 dwg

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RU 2 077 970 C1

Authors

Diter Jonen[De]

Viktor Linnemann[De]

Georg Khuber[De]

Fridrikh V.Ishebek[De]

Dates

1997-04-27—Published

1991-09-20—Filed