Apparatus for adding liquid alloying ingredient to molten steel

Details Apparatus for adding liquid alloying ingredient to molten steel Apparatus for adding liquid alloying ingredient to molten steel

1988-10-27

1989-07-18

Rosenberg, Peter D.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By means introducing treating material

266207, 266217, C21C 700

Patent

active

048487554

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
patent: 3127642 (1964-04-01), Zaeytydt
patent: 3756805 (1963-09-01), Ormaechea
patent: 4522784 (1985-06-01), Enright et al.
patent: 4602949 (1986-07-01), Rellis, Jr. et al.
patent: 4747584 (1988-05-01), Rellis, Jr. et al.

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