Arrangement for gas collection in aluminium reduction cells

Details Arrangement for gas collection in aluminium reduction cells Arrangement for gas collection in aluminium reduction cells

C - Chemistry, Metallurgy

25

C

204/146

C25C 3/22 (2006.01)

Patent

CA 2015364

The present invention relates to an arrangement for gas collection in electrolytic aluminium reduction furnaces equipped with S~derberg anode. The arrangement comprises a plurality of liftable cover plates 8 - 11 which cover the complete area between the sidewalls of the furnace and the anode casing 2. The cover plates 8 - 11 are gas tight sealed against the circumference of the anode casing 2 and against the furnace sidewalls 7. The cover plates 8 - 11 are on their upper side equipped with a plurality of ribs 12. A channel 13 comprising of a lower plate 14, an incleaned plate 15 and an upper plate 16 is inserted in recesses in the ribs 12.

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