Conveyor residue removal apparatus

Details Conveyor residue removal apparatus Conveyor residue removal apparatus

1989-09-13

1990-07-03

Skaggs, H. Grant

Classifying, separating, and assorting solids

Magnetic

Paramagnetic

209225, 209228, 198494, 222408, 222196, B03C 100

Patent

active

049388665

ABSTRACT:
An electric arc furnace includes a crucible having a metal shell for recovering precious metals from spent material. The shell includes a metal tap hole and a slag door positioned above and opposite the metal tap hole. A removable swinging roof is provided above the crucible together with a plurality of electrodes for heating the spent material. Also, a cooling band circumscribes the crucible for cooling the metal shell. Conveyors are provided for distributing the spent material at a plurality of points located between the electrodes and the wall of the crucible. The crucible is tilted to allow the removal of the slag and metal.

REFERENCES:
patent: 410877 (1889-09-01), Conkling
patent: 945408 (1910-01-01), Norton
patent: 1331484 (1920-02-01), Carr
patent: 3926792 (1975-12-01), Buford

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