Injection device

Details Injection device Injection device

1989-12-20

1991-02-12

Rosenberg, Peter D.

Metallurgical apparatus

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

By means introducing treating material

266217, 266265, C21C 548

Patent

active

049918257

ABSTRACT:
An injection device for introducing gases into metallurgical vessels includes a gas sink with a plurality of gas-carrying ducts and formed as a refractory frustum, a metal layer enclosing an outer generated surface of the gas sink and its base area, a gas supply pipe exposed at a center of the metal-coated base area of the gas sink ad supplying gas to the gas-carrying ducts, and a perforate block enclosing the metal-coated generated surface of the gas sink. The upper end of the gas sink is not enclosed by the perforate block, extends beyond the lining of the ladle bottom into the inside of the ladle, and is surrounded by refractory material.

REFERENCES:
patent: 3971548 (1976-07-01), Folgero
patent: 4438907 (1984-03-01), Kimura

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