DEVICE FOR COLLECTION AND EVACUATION OF ANODE GASES FROM UNDER ELECTROLYTIC CELL SHELTER WITH ANNEALED ANODES Russian patent published in 2012 - IPC C25C3/22 

FIELD: metallurgy.

SUBSTANCE: device for collection and evacuation of anode gases from under an electrolytic cell shelter with annealed anodes comprises a structure guiding the flow and arranged at the centre between suction windows of parallel gas discharge channels of a collector beam, made in the form of an inner wall, stretching from the lower shelf of the collector beam towards a melt, the inner wall relative to the lower shelf of the collector beam is installed with a gap, the ratio of the value of which to the width of the suction window of the gas discharge channel of the collector beam complies with the following condition: b:B=1:(0.1÷0.7), where: b - gap between the upper edge of the inner wall and the lower shelf of the collector beam, B - width of the suction window of the gas-discharge channel of the collector beam.

EFFECT: invention provides for possibility to evacuate anode gases from an upper zone of an unsealed chamber due to underpressure developed by suction windows of two parallel gas discharge channels of a collector beam.

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