ELECTROLYZER FOR PRODUCTION OF ALUMINUM Russian patent published in 2006 - IPC C25C3/06 

FIELD: non-ferrous metallurgy; aluminum production electrolyzers.

SUBSTANCE: proposed electrolyzer involves side surfaces of anode channels in operation, thus increasing working (effective) surfaces of anode and cathode and reducing losses of electric power in anode and in electrolyte. Proposed electrolyzer has carbon anodes with channels and cathode unit including layer of molten aluminum on hearth; cathode current-transfer rods are made from materials which are non-soluble in aluminum; their upper part extending above molten aluminum has shape corresponding to shape of opposite channels in anode; it is located in anode channels at distance of 1.0-6.0 cm in parallel with side surfaces of channels. Channels in carbon anodes and upper part of cathode current-transfer rods extending above molten aluminum surface have triangular section. When use is made of non-consumable anodes, shape of channel and upper part of cathode rod may be rectangular, for example.

EFFECT: reduced losses of electric power in anode and in electrolyte; reduced power requirements.

2 cl, 2 dwg