Drain hole design for ladle

Details Drain hole design for ladle Drain hole design for ladle

1987-03-20

1988-05-24

Sheehan, John P.

Metallurgical apparatus

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

With means to discharge molten material

266275, C21C 542

Patent

active

047461020

ABSTRACT:
This invention is directed to a system for reducing the yield loss from a metallurgical vessel, such as a ladle holding liquid metal having a slag layer thereon, by delaying the onset of slag entrapment in the metal stream during the tapping thereof. More particularly, such system includes a modification to the drain hole and/or bottom of such vessel.

REFERENCES:
patent: 4381102 (1983-04-01), King
patent: 4424958 (1984-01-01), Bachmann
The Making, Shaping and Treating of Steel, U.S. Steel 10th edition, pp. 87-89, 12/85.

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