Apparatus with crust piercing and gas feeding means for use with

Details Apparatus with crust piercing and gas feeding means for use with Apparatus with crust piercing and gas feeding means for use with

1976-07-09

1977-09-20

Mack, John H.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204245, 204279, C25C 314, C25C 700

Patent

active

040495299

ABSTRACT:
An apparatus is arranged over the bath of an electrolytic furnace containing molten aluminium.
The apparatus has beams with tools which can be raised and lowered in a reciprocal manner to break-up the crust which forms on the top of the molten aluminium. Reservoirs containing alumina are also carried by the beams and serve to selectively charge quantities of alumina into the bath. Probes or lances are extendible and retractible in relation to the beams and serve to inject air into the molten aluminium.

REFERENCES:
patent: 3207681 (1965-09-01), Sem
patent: 3551308 (1970-12-01), Capitaine et al.
patent: 3681229 (1972-08-01), Lowe
patent: 3901787 (1975-08-01), Niizeki et al.
patent: 3977950 (1976-08-01), Tortil

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