PRODUCTION OF ALUMINIUM WITH A MOVING ELECTROLYTE IN AN ELECTROLYSER Russian patent published in 2021 - IPC C25C3/06 

FIELD: metallurgy.

SUBSTANCE: present invention relates to non-ferrous metallurgy, in particular, to a structure of electrolysers for producing aluminium. An electrolyser for producing aluminium containing an electrolysis chamber, a cathode and anodes, an input for supplying an aluminium oxide-saturated molten electrolyte, an outlet for the aluminium oxide-depleted molten electrolyte on the other side of the chamber. The cathode is made in the form of a hearth with an inclination ensuring movement of the electrolyte by gravity along the hearth towards the outlet for the aluminium oxide-depleted electrolyte. A bath is located in the front part relative to the flow of the solution for constant removal of excess aluminium. The electrolyser comprises a closed contour ensuring circulation of the electrolyte with the dissolved aluminium oxide and configured to uniformly saturate the electrolyte with aluminium oxide outside of the electrolysis zone during movement thereof from the outlet to the input of the electrolyser. The anodes are made of a pseudo-alloy of copper and tungsten.

EFFECT: increase in the output of aluminium with lower electricity consumption.

5 cl, 2 dwg