Numerical Simulation of Thermal-stress Field in Aluminum Reduction Cells with Innovation Cathode
Received:December 03, 2014  Revised:December 09, 2014
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DOI:10.3969/j.issn.1007-7545.2015.05.010
KeyWord:aluminum reduction cells;innovation cathode;ANSYS;thermal-stress field;displacement;stress concentration
              
AuthorInstitution
jiang yanli 桂林理工大学
zheng qi 桂林理工大学
Yu liang 桂林理工大学
Feng naixiang 东北大学材料与冶金学院
Tang xin 桂林理工大学
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Abstract:
      Mathematical models of 3D thermal-stress field of 160 kA conventional and innovation cathode aluminum reduction cells were numerically calculated with commercial software ANSYS. The calculated results show that the displacement and stress distribution trends of conventional cathode and innovation cathode are similar, the extreme values are slightly different, and the extreme positions are also different. The maximums of normal stress of conventional cathode and innovation cathode are slightly different. Stress concentration is at the joints of convex and surface of innovation cathode, and is at the ends of long axis of conventional cathode. XY and YZ shear stress concentration is released, but XZ shear stress concentration is enhanced in innovation cathode. The joints of convex and surface of innovation cathode should be appropriately reinforced.
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