Steel refining method

Details Steel refining method Steel refining method

1984-02-13

1985-05-14

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 10R, 75 593, C21C 552

Patent

active

045170150

ABSTRACT:
A steel refining method of the type in which the steel is refined through an interfacial reaction between the molten steel in a vessel and a slag on the molten steel. The method simultaneously employs both of blowing of an inert gas into the molten steel from the bottom of the vessel to stir the molten steel by bubbling and blowing an inert gas from the upper side of the vessel into the zone on which the movement of the slag is dull. Consequently, the stirring effect on the molten steel is enhanced to promote the refining reaction. The inert gas can contain a desulfurization agent.

REFERENCES:
patent: 3708599 (1973-01-01), Krause
patent: 3791813 (1974-02-01), Ramachandran
patent: 3854932 (1974-12-01), Bishop
patent: 4178173 (1979-12-01), Gorges

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