Cemented collector bar assemblies for aluminum cell carbon...

Details Cemented collector bar assemblies for aluminum cell carbon... Cemented collector bar assemblies for aluminum cell carbon...

C - Chemistry, Metallurgy

25

C

204/148

C25C 7/00 (2006.01)

Patent

CA 1046456

CEMENTED COLLECTOR BAR ASSEMBLIES FOR ALUMINUM CELL CARBON BOTTOM BLOCKS ABSTRACT A method for constructing a metallic collector bar-carbonaceous block assembly for the cathode bottom of an aluminum reduction cell comprising (a) positioning a metallic collector bar within a reduction cell on the bottom surface thereof so that the ends of the bar extend through the cell and connect to an external cathode bus system (b) depositing a layer of binder comprising an electrically conductive, carbonaceous cement onto the exposed surface of the bar, (c) positioning a prebaked carbonaceous cathode block having a transverse slot along its length, in the bottom surface thereof, astride the bar to firmly embed the bar within the slot, the slot having a width exceeding the width of the bar and a depth shallower than the height of the bar. S P E C I F I C A T I O N

235591

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