Gas flushing device including perforated brick and gas flushing

Details Gas flushing device including perforated brick and gas flushing Gas flushing device including perforated brick and gas flushing

1991-03-19

1992-07-07

Kastler, Scott

Metallurgical apparatus

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

By means introducing treating material

266265, B22D 100

Patent

active

051276321

ABSTRACT:
A gas flushing device includes a ceramic refractory perforated brick extended through a refractory lining of a wall of a metallurgical vessel. The perforated brick has an outer end having therein a recess opening outwardly of the vessel. A ceramic refractory gas flushing stone is fitted within such recess. The perforated brick has a portion that covers an inner end of the gas flushing stone and that projects therefrom inwardly beyond the vessel lining toward the vessel interior. The projecting portion of the perforated brick has a gas permeable region confronting the inner end of the gas flushing stone. As a result, gas passing through the gas flushing stone to the inner end thereof then passes through the gas permeable region of the projecting portion of the perforated brick into molten metal within the interior of the vessel.

REFERENCES:
patent: 4695043 (1987-09-01), Winkelmann et al.
patent: 4711432 (1987-12-01), Heinz et al.
patent: 4978108 (1990-12-01), Rothfuss et al.

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