Method of feeding alumina to an aluminium electrolytic cell and

Details Method of feeding alumina to an aluminium electrolytic cell and Method of feeding alumina to an aluminium electrolytic cell and

1980-05-09

1981-11-24

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

204245, C25C 306, C25C 314

Patent

active

043023029

ABSTRACT:
A method of feeding alumina to a Soderberg type aluminium electrolytic cell characterized by forming a box body having an opening in the upper part and an opened lower end on the side of the anode of said electrolytic cell with an anode casing, a dam plate located outside said cathode casing and above a freeze of said electrolytic cell and two side plates covering spaces between said anode casing and said dam plate, charging alumina from said opening so that said alumina is stored in said box body and simultaneously flows out from the lower end of said dam plate to accumulate on said freeze, forming a slope in response to its angle of repose, and thereby, when said freeze is broken, the accumulated alumina is charged into the electrolytic bath of said electrolytic cell and simultaneously the alumina stored in said box body flows out spontaneously to form a new slope of accumulated alumina, and an apparatus for the same.

REFERENCES:
patent: 3919058 (1975-11-01), Waenerlund

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