Recovery of aluminium scrap

Details Recovery of aluminium scrap Recovery of aluminium scrap

1984-05-21

1986-02-18

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 65R, 75 68R, C22B 2100

Patent

active

045712581

ABSTRACT:
In a process for recovery of aluminium metal from coated light gauge aluminium scrap the scrap fragments are first decoated and then fed substantially continuously onto the surface of a body of molten metal above a channel-type induction heater. The molten metal is stirred to produce strong down flows at the molten metal surface to submerge the decoated scrap particles. The submergence may be effected by a coreless induction heater acting on the body of molten metal or other electromagnetic device such as one or more linear induction motors which are employed to set up a strong axial down flow at the center of the metal surface or to generate a vortex at that location.

REFERENCES:
patent: 3579324 (1971-05-01), Kennedy et al.
patent: 3790145 (1974-02-01), Gering
patent: 4264060 (1981-04-01), Twyman

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