Furnace and method for the melt reduction of iron oxide

Details Furnace and method for the melt reduction of iron oxide Furnace and method for the melt reduction of iron oxide

1977-03-28

1979-03-27

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

13 9R, C21C 552, H05B 720

Patent

active

041463900

ABSTRACT:
A DC arc furnace has a cathodic tubular graphite electrode forming an arc with an anodic carbonaceous iron melt in the furnace. A mixture of iron oxide and carbon particles is fed to the melt via the electrode's interior with the mixture's carbon content being in excess of that stoichiometrically required to reduce the iron oxide content of the mixture, the upper end of the electrode's feeding passage being blocked so that furnace gases cannot flow upwardly and impede the mixture's downward feeding flow.

REFERENCES:
patent: 2303973 (1942-12-01), Armstrong
patent: 2909422 (1959-10-01), Schwabe
patent: 3101385 (1963-08-01), Robinson
patent: 3940551 (1976-02-01), Widell

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