Partition multichamber aluminum electrolysis cell

Abstract

The invention discloses a partition multichamber aluminum electrolysis cell which comprises an anode (1) and a cathode (2), wherein the cathode (2) is provided with a diversion trench (3); a plurality of partitions (4) are arranged among the anode (1); and the partitions (4) are embedded or arranged on the upper surface of the aluminum electrolysis cell cathode (2) to form the multichamber aluminum electrolysis cell. The partitions (4) adopt an embedded slab structure or flatwise staircase structure. The height of the partitions (4) is slightly greater than that of the molten aluminum layer. The intervals between every two partitions (4) are equal or unequal. By adopting the unique partition technology, the invention can effectively reduce the horizontal current, prevent or reduce the radial flow rate of the molten aluminum layer, reduce the interfacial oscillation and secondary reaction of the molten aluminum, and enhance the stability and current efficiency of the aluminum electrolysis cell, thereby implementing energy saving and consumption reduction.

Description

technical field [0001] The invention relates to a partition plate multi-chamber aluminum electrolytic cell, which belongs to the technical field of aluminum electrolytic cells. Background technique [0002] During the electrolytic production of the current aluminum electrolytic cell, the precipitated aluminum liquid is accumulated on the upper part of the carbon block cathode to form a certain height of the aluminum liquid layer, which is used as a part of the cathode. Because the aluminum liquid layer at a certain height on the carbon block cathode is affected by the electromagnetic field and moves too fast, the probability of secondary reaction of the aluminum liquid increases, which greatly reduces the current efficiency of the aluminum electrolytic cell. With the continuous development and improvement of aluminum electrolysis technology and the requirements of industrial policies, energy saving and consumption reduction, electrolytic cells are gradually developing toward...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a separator multi-chamber aluminum electrolytic cell, which can effectively block and slow down the radial flow velocity of the aluminum liquid layer, reduce the horizontal current in the cell, increase the stability of the aluminum liquid interface, Reduce the secondary reaction of the aluminum liquid to overcome the shortcomings of the existing technology that cause the interface layer of the aluminum liquid in the tank to fluctuate too much, increase the probability of the secondary reaction reaction, and reduce the current efficiency.

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