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Vol. 168, Issue 4, April 2014, pp. 249-259




A New Approach to Establishing Cathode Rod Temperature-current Model
Based on Nickel Electrolysis Cells

1, 2 Ren-Tao Zhao, 2 Li-Ming Lin, 1 Hua-De Li, 2 You-Yu Wang, 2 Jun Tie

1 School of Automation and Electrical Engineering, University of Science & Technology Beijing
2 North China University of Technology, Beijing, 100144, China
1 Tel.: 18611784376

Received: 19 January 2014 /Accepted: 7 March 2014 /Published: 30 April 2014

Digital Sensors and Sensor Sysstems


Abstract: When different current flows through the cathode rod, the rod temperature distribution shows different trends in nickel electrolysis cells. The rod temperature is affected not only by the current, but also by ambient temperature, coordinate position and other factors. A new approach to establishing cathode rod temperature-current model based on nickel electrolysis cell is proposed in this paper. Through extensive analysis, this paper investigates the relationships between rod temperature and current volume, current branch ratio, coordinate position. Based on SPSS regression analysis, a cathode rod temperature-current model of nickel electrolysis cell is established, which is determined by multi-factors. The model is used to estimate the current value on the basis of the temperature on the cathode rod, ambient temperature and coordinate position, which almost agrees with real current value. The models proposed in this paper are of guiding significance to fully acquire the cathode current distribution information of nickel electrolysis cells, improve the current efficiency and reduce energy consumption.


Keywords: Nickel electrolysis cells, Cathode rod current, Temperature distribution on cathode rod, Regression analysis, Modeling method.


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