Gas injection apparatus

Details Gas injection apparatus Gas injection apparatus

1978-08-18

1979-10-02

Andrews, M. J.

Metallurgical apparatus

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

Reverberatory refining vessel, e.g., open hearth

266217, 266220, 266223, 266280, 266901, C22B 2106

Patent

active

041695844

ABSTRACT:
Gas is injected into molten metal, such as aluminum, to purify the molten metal either of dissolved gases (degassing), or of dissolved solids such as magnesium ( "demagging"). The apparatus for accomplishing this injection contains two metallic bath chambers, the molten metal being transferred from one chamber to the other through a conduit. A gas injection conduit is connected to the metal transfer conduit at a location submerged within the first metallic bath chamber from which metal is transferred to the second chamber, and the gas to be injected is introduced through this gas injection conduit into a location submerged within the first metallic bath chamber.

REFERENCES:
patent: 2809107 (1957-10-01), Russell
patent: 2821472 (1958-01-01), Peterson et al.
patent: 3618917 (1971-11-01), Fredrikson
patent: 3743263 (1973-07-01), Szekely
patent: 3743500 (1973-07-01), Foulard
patent: 3753690 (1973-08-01), Emley et al.
patent: 3886992 (1975-06-01), Maas et al.
patent: 3941588 (1976-03-01), Dremann
patent: 3954134 (1976-05-01), Maas et al.
patent: 3958979 (1976-05-01), Valdo

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