Method and appartus for adding liquid alloying ingredient to mol

Details Method and appartus for adding liquid alloying ingredient to mol Method and appartus for adding liquid alloying ingredient to mol

1988-03-18

1989-07-18

Rosenberg, Peter D.

Alloys or metallic compositions

Ferrous

Processes

75 49, 420590, C22C 3300

Patent

active

048491675

ABSTRACT:
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.

REFERENCES:
patent: 2854716 (1958-10-01), Funk et al.
patent: 2947622 (1960-08-01), Tenenbaum et al.
patent: 3127642 (1964-04-01), Zaeytydt
patent: 3756805 (1973-11-01), Ormaechea
patent: 4522784 (1985-06-01), Enright et al.
patent: 4602949 (1986-07-01), Rellis

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