Methods for producing steel from iron sponge in electric furnace

Details Methods for producing steel from iron sponge in electric furnace Methods for producing steel from iron sponge in electric furnace

1979-09-04

1981-04-28

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 11, C21C 552

Patent

active

042643554

ABSTRACT:
A method is provided for producing steel in an economically acceptable fashion from iron sponge with less than 66% Fe and with high acid slag formers. This is achieved by first determining the acid slag forming composition of the iron sponge, and, thereafter, lining an electro-slag-resistance furnace with a lining compatible with the iron sponge composition. Then, the iron sponge is charged to the furnace and the liquid metal formed is withdrawn to a conventional arc furnace, for example, for further processing.

REFERENCES:
patent: 2704247 (1955-03-01), Connor
patent: 2978315 (1961-04-01), Schenck
patent: 2994831 (1959-07-01), Old

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