Arrangement for gas collection in aluminium reduction cells havi

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

1990-04-20

1991-07-09

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204245, 373 71, 373 73, C25C 700

Patent

active

050303350

ABSTRACT:
The present invention relates to an arrangement for gas collection in electrolytic aluminium reduction furnaces equipped with Soderberg 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, and inclined plate 15 and an upper plate 16 is inserted in recesses in the ribs 12.

REFERENCES:
patent: 3935090 (1976-01-01), Petrusento et al.

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