Bethlehem Steel Corporation

Neal R Griffing

Philip D Stelts

Evan L Hand, Sr

Marvin H Bayerwitz

A consumable lance for simultaneously reheating and desulfurization of a molten metal bath includes an internal circuit for delivering oxygen below the slag metal interface and an external circuit for delivering a desulfurizing agent to the slag metal interface. Improved desulfurization and reheating results are achieved.

Consumable lance for oxygen injection and desulfurization and method

A consumable lance for injecting oxygen and other gases such as argon below the surface of a molten metal bath the lance comprising an upper manifold portion, a lower nozzle end portion, and a plurality of gas conveying conduits attached to a structural support assembly and encased within a protective refractory covering.

Consumable injection lance

The temperature of molten steel in a ladle is raised to a predetermined level by introducing a plurality of oxygen containing gas streams beneath the surface of molten steel and introducing a predetermined quantity of an oxidizable fuel, such as aluminum or silicon, into the molten steel.

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Bethlehem, PA, United States of America

Neal R Griffing