Anode detection system and method for aluminum electrolysis cell

By setting detection points on the anode guide rod of the aluminum electrolysis cell, the voltage signal is detected in real time and the current distribution is calculated, which solves the problem of low current detection accuracy in the existing technology and realizes the stable operation of the aluminum electrolysis cell.

CN121633601APending Publication Date: 2026-03-10ZHENGZHOU NON FERROUS METALS RES INST CO LTD OF CHALCO
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Patent Information

Application Number
CN202511869712.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-11
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

In existing aluminum electrolysis production, the current detection accuracy of continuous anode aluminum electrolysis cells is low, which cannot fully reflect the current distribution on the entire anode surface and affects the operational stability of the aluminum electrolysis cells.

Method used

Detection points are set on the anode guide rod of the aluminum electrolysis cell. The voltage signal is detected in real time by the detection device. The data acquisition module performs analog-to-digital conversion, and the data processing module calculates the current. The Pearson correlation coefficient algorithm is used to analyze the current distribution and generate an alarm signal to reflect the current distribution of the entire anode.

Benefits of technology

It improves the accuracy of anode current detection, ensures the operational stability of aluminum electrolysis cells, and adjusts operating conditions in a timely manner through real-time monitoring and alarm mechanisms to avoid production instability caused by abnormal current.

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Abstract

The invention discloses an anode detection system of an aluminum electrolysis cell and an anode detection method of the aluminum electrolysis cell, relates to the technical field of aluminum electrolysis, and can improve the accuracy of current detection so as to improve the operation stability of the aluminum electrolysis cell. The anode detection system of the aluminum electrolysis cell comprises the aluminum electrolysis cell, wherein the aluminum electrolysis cell comprises an anode frame, an anode, a paste layer, a bus, a plurality of aluminum soft belts and a plurality of anode guide rods; the detection device is connected between the current distribution detection method anode guide rod and the current distribution detection method aluminum soft belt, and the current distribution detection method detection device is used for detecting voltages of a plurality of current distribution detection method first detection point positions; the data acquisition module is electrically connected with the current distribution detection method detection device, and the current distribution detection method data acquisition module is used for performing analog-to-digital conversion on each current distribution detection method first voltage signal to obtain first voltage data; and the data processing module is in communication connection with the current distribution detection method data acquisition module.
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