Journal of Northeastern University Natural Science ›› 2020, Vol. 41 ›› Issue (6): 828-834.DOI: 10.12068/j.issn.1005-3026.2020.06.012

• Materials & Metallurgy • Previous Articles     Next Articles

Effects of the Size of Cast Iron and Stub on the Physical Field of Anode in Aluminium Reduction Cell

LI Tuo-fu, TAO Wen-ju, WANG Zhao-wen, LIU Xiao-zhen   

  1. School of Metallurgy, Northeastern University, Shenyang 110819, China.
  • Received:2019-12-23 Revised:2019-12-23 Online:2020-06-15 Published:2020-06-12
  • Contact: WANG Zhao-wen
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Abstract: Cast iron and stub act as thermo-electro-mechanical connectors in an anode of aluminium reduction cell. The effects of their size on the physical field of anode are investigated by performing numerical simulations.For this purpose, a 3D thermo-electro-mechanical (TEM) coupled model is developed based on the ANSYS software. When the thickness of the cast iron increases from 12.5 to 32.5mm, the temperature and stress distributions of the carbon block show insignificant changes, while anode voltage drop decreases by 17.7mV. When the stub diameter increases from 135 to 175mm, the temperature of each component decreases by 50℃ utmost and anode voltage drop decreases by 26.4mV, respectively.Meanwhile stress in the carbon block increases.

Key words: aluminium production, cast iron, stub, anode voltage drop;numerical simulation, thermo-electro-mechanical coupled field

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