Metallurgical apparatus – With recording – indicating – inspection or measuring means
Patent
1991-07-09
1992-11-03
Andrews, Melvyn J.
Metallurgical apparatus
With recording, indicating, inspection or measuring means
266144, 266220, 266248, C21C 548, C21C 550
Patent
active
051604779
ABSTRACT:
Temperature maintenance and metallurgical treatment furnace for a metal in liquid state, comprising a closed container for liquid metal provided with a burner of the oxygen-combustible type, a porous plug for the bottom of the container for injecting a neutral stirring gas, and openings for the introduction and/or the removal of metallurgical treatment products. The container is in the form of an insulated enclosure which is rockable about a support axis, with two ducts with vertical component, one which is in the form of a chimney opening in the enclosure close to the vault of the enclosure and serving for the introduction of liquid metal and metallurgical treatment products, the other which is in the form of a chute opening at the level of the bottom of the enclosure and in which the upper opening is in position of liquid metal removal in a rocked position of the enclosure. The burner is mounted in the vault of the enclosure.
REFERENCES:
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patent: 4245821 (1981-01-01), Kappell et al.
patent: 4701216 (1987-10-01), Spenceley et al.
"Hundert Jahre Roheisenmisher", Stahl U. Eisen, vol. 93, No. 16, Aug. 2, 1973, pp. 732-740, by G. Schmidt.
"Torpedo Ladle Having Powder Blowing Device", Patents Abstracts of Japan, vol. 10, No. 235 (C-366), Aug. 14, 1986.
Andrews Melvyn J.
L'Air Liquide Societe Anonyme pour l'Etude et, l'Exploitation de
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