NON-CONSUMABLE ANODE DEVICE OF ALUMINIUM CELLS Russian patent published in 2002 - IPC

FIELD: non-ferrous metallurgy, namely, production of aluminium from melt by electrolysis. SUBSTANCE: anode device of aluminium cell allows to eliminate operations of exchanging steel anode rods and their burning around. Anode device having anode placed in casing, gas collection bell secured to lower portion of casing and electric current supply unit includes in addition system for feeding reagent combining gaseous product separated on anode. Said system is in the form of through electrically conductive metallic tubes vertically placed in anode body along its whole height and uniformly arranged along its whole area. EFFECT: reduced exhaust of harmful matters to atmosphere, lowered consumption of anode mass and recovery of solid carbon-containing waste materials. 2 cl, 1 tbl, 2 dwg