Bus configuration method for aluminum electrolysis cell with equidistant current paths

Abstract

The invention discloses a bus configuration method for an aluminum electrolysis cell with equidistant current paths. A bus of an electrolysis cell (7) comprises a cathode soft bus (1), a current inlet side cathode bus (2), a cell bottom through bus (3), a cell side bus (4), a current outlet cathode bus (5) and downstream cell column buses (6), wherein 50% of current in the electrolysis cell flows out through the cathode soft bus (1) at the current inlet side, respectively flows into the current inlet side cathode bus (2) or the cell bottom through bus (3), and respectively converges into the four downstream cell column buses (6) through the cell side bus (4); and 50% of current also flows out through the cathode soft bus (1) at the current outlet side, and respectively converges into the four downstream cell column buses (6) through the current outlet cathode bus (5). A large cross section is adopted in the current inlet side cathode bus and the cell side bus of the electrolysis cell, and a small cross section is adopted in the current outlet side cathode bus of the electrolysis cell. According to the bus configuration method disclosed by the invention, stable electrolysis cell production process and higher current efficiency are guaranteed by adopting current path equidistance bus configuration and changing the cross section and current quantity of the bus.

Description

technical field [0001] The invention relates to the technical field of a current supply device for an aluminum electrolytic cell, in particular to a bus current arrangement around a large aluminum electrolytic cell. Background technique [0002] With the development of my country's aluminum industry production technology, the series current intensity of modern large-scale aluminum electrolytic cells is increasing day by day. According to the description of Faraday's law, when other conditions are equal, the magnetic field will increase with the increase of current. However, the electromagnetic force generated by the interaction between the magnetic field generated by the production current of the electrolytic cell and the melt current in the electrolytic cell accelerates the circulation of the melt in the cell, causing the aluminum liquid surface to bulge, deflect and fluctuate, and may even affect the normal production of the electrolytic cell. . Therefore, in order to ach...

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method for arranging the bus bars of an aluminum electrolytic cell with equidistant current paths, so as to overcome the instability of the magnetic fluid in the electrolytic cell and the bias current phenomenon in the prior art, which will lead to damage to the stability of the electrolytic cell and give Production operations bring great harm and other deficiencies

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