Electrolysis tank casing

摘要

The present invention relates to an electrolytic cell comprising a pot shell (1) covered with a liner and including a base (10) and side walls (11,12), pot shell (1) being designed to receive a cryolite bath and a confinement chamber on the pot shell, the confinement chamber having side walls, at least one of the side walls of the confinement chamber being offset towards the outside of the pot shell with respect to a side wall of the pot shell, the cell including at least one peripheral shoulder (16, 17) extending between the offset side walls of the pot shell and of the confinement chamber, each shoulder including at least one window (18a) through which passes a respective cell compo-nent moving translationally along a translational axis T-T'.