METHOD AND APPARATUS FOR ADDING LIQUID ALLOYING INGREDIENT TO MOLTEN STEEL

A descending stream of molten metal is directed from a ladle into a bath of molten metal in a tundish. Molten alloying ingredient is added to the molten metal, either directly to the descending stream within a shroud, or it is injected into the bath, through a sidewall of the tundish, at a region of...

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Bibliographic Details
Main Authors PETERS, ANTHONY T, FOSNACHT, DONALD R, KNOEPKE, JOHN R
Format Patent
LanguageEnglish
Published 14.03.1990
Edition4
Subjects
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
CHEMISTRY
METALLURGY
METALLURGY OF IRON
PERFORMING OPERATIONS
POWDER METALLURGY
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TRANSPORTING
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Summary:A descending stream of molten metal is directed from a ladle into a bath of molten metal in a tundish. Molten alloying ingredient is added to the molten metal, either directly to the descending stream within a shroud, or it is injected into the bath, through a sidewall of the tundish, at a region of turbulence. The molten alloying ingredient is protected from the atmosphere outside the tundish.
Bibliography:Application Number: EP19880119498