Electrolytic cell leak limiter

Details Electrolytic cell leak limiter Electrolytic cell leak limiter

C - Chemistry, Metallurgy

25

C

C25C 3/22 (2006.01) C25C 3/10 (2006.01)

Patent

CA 2502080

The invention concerns a leak limiter (20) for an electrolytic cell (1) for aluminium production provided with confinement means including passage openings for inserting anode rods (3). The invention is characterized in that it comprises at least one support (21), for enclosing all or part of the anode rod, and at least one flexible sealing body (30, 30a, 30b, 30c) arranged on all or part of the periphery (23) of the support (21) and designed to seal all or part of the free space between the inner edge of an opening and an anode rod (3). The invention enables enhancement of sealing conditions of casing devices of electrolytic cells.

L'invention concerne un limiteur de fuite (20) d'une cellule d'électrolyse (1) pour la production d'aluminium munie de moyens de confinement comportant des ouvertures de passage pour l'insertion de tiges d'anode (3), caractérisé en ce qu'il comporte au moins un support (21), apte à entourer tout ou partie d'une tige d'anode, et au moins un corps d'étanchéité flexible (30, 30a, 30b, 30c) disposé sur tout ou partie du pourtour (23) du support (21) et destiné à obturer tout ou partie de l'espace libre entre le bord intérieur d'une ouverture et une tige d'anode (3). L'invention permet d'améliorer l'étanchéité des dispositifs de capotage de cellules d'électrolyse.

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