Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent
1977-06-01
1978-08-15
Dost, Gerald A.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By means introducing treating material
C21C 548
Patent
active
041067592
ABSTRACT:
The invention relates to a device for introduction of gases into reaction vessels containing liquids, especially vessels undergoing thermal stress, in particular filter housings for metal melts, using a gas-permeable body of heat-resistant material, fitting into a metal sleeve anchored in the wall of the reaction vessel. The wall of the reaction vessel consists of three different layers, namely a rigid inner layer of heat-resistant material, a loose intermediate layer of bulk material, and a casing of metal. The metal sleeve extends from the outside into the loose intermediate layer, the rigid inner layer and the gas-permeable inlet body are directly adjacent to one another, and the boundary surface of the gas-permeable inlet body has a permanently applied, thoroughly gas-tight cover of ceramic material.
REFERENCES:
patent: 3330645 (1967-07-01), DeMoustier et al.
patent: 3636872 (1972-01-01), Forcier
patent: 3917242 (1975-11-01), Bass et al.
patent: 3971548 (1976-07-01), Folgero et al.
patent: 4053147 (1977-10-01), Moser et al.
Huber Ernst
Steinegger Alfred
Dost Gerald A.
Marmorek Ernest F.
Swiss Aluminium Ltd.
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