Electrolysis cell for Hall-Héroult process, with cooling pipes for forced air cooling

摘要

The potshell (10) comprises: a bottom wall (11) and peripheral walls (12-15) extending upwards from said bottom wall, so as to define an inner reception volume (V10). The peripheral walls comprising side walls (12, 13) and end walls (14, 15), a plurality of reinforcement members (20), are provided side by side along at least part of said peripheral walls. The pot shell is further provided with cooling means (30, 40), adapted to blow a gaseous cooling medium against the outer surface of at least part of said peripheral walls. The cooling means comprises a system of rigid pipes 30, 40) extending, for the greater part of their length, parallel to the deck plate (10') of said potshell. The rigid pipes being attached to at least part of said reinforcement members (ie ribs, fans) by a permanent fixing means (24), said permanent fixing means comprising a hole (24) provided in each said reinforcement member, adapted to receive said rigid pipe (vent).