Abstract: The SY300 Prebake cell of some factory as a basic simplified model, the solidworks software was used to build a three-dimensional physical model of aluminum reduction cell. In the use of some assumptions, reasonable ideal field segmentation and under the premise of sharing model information and results, the physical model of electric field, magnetic field, flow field and its calculation module of coupling field were established respectively by using the the finite element software Comsol and Matlab Multiphysics software. On Comsol platform, electric, magnetic field of aluminum electrolytic cell were solved when replacing the anode, and current density and magnetic field distribution were simulated, analyzed and discussed. According to different groove chamber shape, aluminum liquid flow field were given, too. Study shows that the horizontal movement has significant influence on magnetic current, liquid aluminum forms the basic symmetry state.

Key words: aluminum electrolytic cell, electromagnetic flow field, liquid aluminum, COMSOL Mutiphysics