Abstract
The 530kA potline has been put into industrial running in Xinjiang province, China. The potine includes 320 aluminum reduction cells and eighty cells are in production. It is the highest current potline in the world at present. A lot of new technologies were applied in the potline. Magnetic field was optimized, thus negative effect of vertical magnetic field was weakened and current distribution in cathodes was improved. Busbar allocation and installation was optimized, especially short-circuit busbar and upright-column busbar. High conductivity steel was used as cathode rods and three steel rods were installed in each cathode. Insulated layer was coated on each cathode steel rod near the cell sidewall. The potline has got low cell voltage and low anode effect frequency. Its cell voltage is about 3.90V and anode effect frequency is lower than 0.05 times per cell day. Further optimization and improvement need to be performed to get better performances.
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References
Liang Xuemin, Ding Fengqi, Guo Long, Design Documents of Xinjiang Qiya Aluminum & Power Co. Ltd, May 2011.
Liang Xuemin, Zhang Songjiang, Modern Aluminum Electrolysis Production Technology and Management (Changsha, CS: Central South University Publishing Company, 2011), 115–183.
Feng Naixiang, Aluminum Electrolysis (Beijing, BJ: Chinese Chemistry Industry Publishing Company, 2006), 51–62.
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© 2014 TMS (The Minerals, Metals & Materials Society)
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Xuemin, L. et al. (2014). Industrial Running of the 530kA Potline in North-Western China. In: Grandfield, J. (eds) Light Metals 2014. Springer, Cham. https://doi.org/10.1007/978-3-319-48144-9_135
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DOI: https://doi.org/10.1007/978-3-319-48144-9_135
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48590-4
Online ISBN: 978-3-319-48144-9
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