Rotary hearth

Details Rotary hearth Rotary hearth

1974-03-05

1976-10-26

Dost, Gerald A.

Metallurgical apparatus

Means for treating ores or for extracting metals

By means applying heat to work, e.g., furnace

F27B 2100

Patent

active

039880125

ABSTRACT:
A rotary hearth for the continuous treating of metallurgical material which comprises a circular stationary hearth member having as flooring a rotating platform, driven by conventional driving means positioned therebeneath. Heating, cooling and venting means are positioned at predetermined locations as said stationary member, as well as mixing rabbles therein for agitation of the material. The material, when treated, is removed either from a peripheral discharge, with the assistance of discharging baffles or the like, or from a centrally located opening with the assistance of a pair of screws which serve the purpose of advancing the feed from a peripherical initial feed-point to the centrally located discharge.

REFERENCES:
patent: 996548 (1911-06-01), Wilfley
patent: 1075011 (1913-10-01), Christensen
patent: 1989662 (1935-02-01), Bernhard et al.
patent: 2488115 (1949-11-01), Benos
patent: 3370937 (1968-02-01), Tsujihata et al.
patent: 3452972 (1969-07-01), Beggs
patent: 3667746 (1972-06-01), Makarov et al.

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