Fused bath electrolysis cell for producing aluminium by...

Details Fused bath electrolysis cell for producing aluminium by... Fused bath electrolysis cell for producing aluminium by...

C - Chemistry, Metallurgy

25

C

C25C 3/06 (2006.01) C25C 3/20 (2006.01)

Patent

CA 2328768

The invention concerns an electrolytic cell (1) for producing aluminium by the Hall-Héroult process comprising cooling means by localised air blowing jets (27), and advantageously with variable flow, for evacuating and dissipating the cell heat energy. The invention also concerns an aluminium production plant using the Hall-Héroult process characterised in that some cells, or the whole set thereof, comprise individually or collectively, said cooling means.

Le premier objet de l'invention est une cuve d'électrolyse (1) pour la production d'aluminium par le procédé d'électrolyse Hall-Hérault comprenant des moyens de refroidissement par soufflage d'air à jets localisés (27), et avantageusement à débit variable, qui permettent d'évacuer et de dissiper l'énergie thermique de la cuve. Le deuxième objet de l'invention est une usine de production d'aluminium par le procédé d'électrolyse Hall-Héroult caractérisé en ce que certaines cuves, ou l'ensemble de celles-ci, comprennent, individuellement ou en commun, des moyens de refroidissement selon l'invention.

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