Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – Horizontal – rotatable – cylindrical type
Patent
1980-12-18
1982-07-06
Andrews, M. J.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
Horizontal, rotatable, cylindrical type
75 24, 75 68R, 432111, F27B 726
Patent
active
043379290
ABSTRACT:
A rotary furnace for recovering metals, such as aluminum. The furnace includes an outer cylindrical, open-ended drum which is mounted for rotation about its axis. Secured within the drum is a tapered kiln and the kiln is spaced inwardly of the drum to provide an annular chamber therebetween. Salt and aluminum dross and skimmings are introduced into the small diameter end of the kiln and heated, and the molten aluminum and salt are separately withdrawn from the large diameter end of the kiln. The construction of the furnace provides precise concentricity for the rotating kiln, thereby reducing bearing loads and the energy requirements for driving the kiln.
REFERENCES:
patent: 2507123 (1950-05-01), Sproule et al.
patent: 3215421 (1965-11-01), Ankersen
Andrews M. J.
College Research Corporation
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