Reduction pot for fused salt electrolytic production of...

Details Reduction pot for fused salt electrolytic production of... Reduction pot for fused salt electrolytic production of...

C - Chemistry, Metallurgy

25

C

204/209

C25C 3/08 (2006.01)

Patent

CA 1190517

ABSTRACT A reduction pot for the fused salt electrolytic production of aluminum has channels which open downwards when in the working position in the carbon blocks of an electrically conductive lining, preferably the cross- sections of the channels at 500-850°C correspond exactly to that of iron bars heated to the same temperature and received in the channels, part of the weight of the carbon blocks is borne approximately uniformly by the iron bars which project out of both ends of the carbon blocks during the reduction process, the iron bars are installed in the reduction pot by inserting them at ambient temperature through windows in a steel outer shell into the interior of the pot' in this way it is possible to obtain the desired low contact resistance between the carbon blocks and the iron bars thereby providing for a more direct flow of electric current, without reducing the service life of the pot.

410425

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