SYSTEM AND METHOD FOR MEASURING ANODE CURRENT OF ALUMINUM ELECTROLYTIC CELL
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United States of America
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Jan 30, 2020
app pub date -
Jul 12, 2019
filing date -
Jul 12, 2019
priority date (Note) -
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Abstract
The present invention discloses a system and method for measuring an anode current of an aluminum electrolytic cell. The system includes a plurality of electrolytic cell units, where the electrolytic cell units each include: a column bus, two horizontal buses, m anodes, m anode rods, one or a pair of crossover buses, and a plurality of optical fiber current sensors. When one side of the anode rod is adjacent to another anode rod, the horizontal bus between the two anode rods is provided with one of the optical fiber current sensors; and when any side of the anode rod is adjacent to the column bus or the crossover bus, the horizontal bus between the anode rod and the column bus or the crossover bus is provided with one of the optical fiber current sensors. In the present invention, optical fiber current sensors are mounted between two adjacent anode rods and between the anode rod and the column bus or the crossover bus for current measurement, the current of each anode can be measured accurately, and the measurement precision is accurate to be within 1%.
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