Feeding method and device for aluminum electrolysis

Details Feeding method and device for aluminum electrolysis Feeding method and device for aluminum electrolysis

1993-06-11

1995-01-03

Gorgos, Kathryn

Chemistry: electrical and wave energy

Processes and products

204245, C25C 306, C25C 314

Patent

active

053783263

ABSTRACT:
A method and device for feeding a raw material, such as aluminum oxide, into an aluminum electrolysis using a reciprocatingly vibrating feeding means in which a raw material is carried into a controlling box positioned in proximity to the surface of electrolyte melt. Mechanical vibrations are directed at a feeding device positioned inside the controlling box. The vertical amplitude of the vibrations is selected in the range of about 0.5 cm to about 1.5 cm. The oscillation frequency of the vibrations is selected in the range of about 11 Hz to about 40 Hz. Raw material is continuously fed by the feeding device into the electrolysis through an opening produced in the crust of the electrolyte melt around the controlling box.

REFERENCES:
patent: 2713024 (1951-05-01), Mantovanello
patent: 5045168 (1991-09-01), Dalen et al.

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