Gas washing sink without integral closure member

Details Gas washing sink without integral closure member Gas washing sink without integral closure member

1989-09-28

1990-12-18

Kastler, S.

Metallurgical apparatus

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

By means introducing treating material

266265, C21C 548

Patent

active

049781081

ABSTRACT:
A gas washing sink for use in introducing gas through a metallurgical vessel into molten metal therein includes a gas permeable refractory inner brick portion and a gas impermeable refractory outer brick portion surrounding the inner brick portion. The inner and outer brick portions define a first sink end to be exposed to the molten metal. The outer brick portion has an end face defining a second sink end to be directed away from the molten metal. A gas distribution chamber has a first end open to the inner brick portion and a second end opening onto the end face of the outer brick portion and defined thereat by an opening. A sealing surface extending concentrically of the opening has pressed thereagainst, at a pressure sufficient to achieve a seal therebetween, a closure member for closing the second end of the gas distribution chamber and having a gas inlet connection for introducing gas into the gas distribution chamber.

REFERENCES:
patent: 3618917 (1971-11-01), Fredrikson et al.
patent: 4899992 (1990-02-01), Thrower et al.

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