Method for reducing particulate iron oxide to molten iron with s

Details Method for reducing particulate iron oxide to molten iron with s Method for reducing particulate iron oxide to molten iron with s

1978-04-03

1979-12-18

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 25, C21C 552

Patent

active

041792785

ABSTRACT:
A method for reducing particulate iron oxide to molten iron utilizing solid carbonaceous fuel as reductant in a shaft type reducing furnace, in which a furnace burden is formed of a mixture of iron oxide lumps or pellets and particulate solid fuel. Reacted top gas is upgraded and recirculated through the burden in counter-flow relationship thereby heating, reducing and melting the burden. The heat for reduction and melting is generated by passing electric current through the burden.

REFERENCES:
patent: 2978315 (1961-04-01), Schenck et al.
patent: 3460934 (1969-08-01), Kelmar

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