FIELD: designs of aluminum electrolyzers. SUBSTANCE: device has regulator of anode mass toughness and may be made in form of one or several tubular electric heaters installed in through tubular pocket passed through side walls in hopper lower part; or in form of one or several pipelines passed through side walls in hopper lower part and communicated through mixer with pipelines of hot or cold heat carrier; or in form of coil pipe installed round hopper lower part and communicated through mixer with pipelines of hot and cold heat carrier; or in form of gate made of two interconnected plates forming space accommodating electric heater. Gate may be made in form of throttling valve. EFFECT: higher operate reliability. 7 cl, 9 dwg
