About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
Aluminum Reduction Technology
|
| Presentation Title |
Numerical Investigation of the Thermal, Electrical and Mechanical Behaviour of Aluminum Reduction Cell during Preheating Phase |
| Author(s) |
Simon Tremblay, Daniel Marceau, Rohini-Nandan Tripathy, Antoine Godefroy, Duygu Kocaefe, Sébastien Charest, Jules Côté |
| On-Site Speaker (Planned) |
Simon Tremblay |
| Abstract Scope |
Preheating of electrolysis cell using coke bed is a delicate process, which has a significant impact on the cell life. A successful preheating is considered by many factors such as: the final cathode surface temperature, the heat-up rate, the anodic current distribution and the temperature distribution (to reduce the risk of damage of the cathode/lining materials). Therefore, a better understanding of the cell behaviour is required to optimize this critical phase. In this work, electrical, thermal and displacement data have been measured on a cell during its preheating. Those measurements were then used to calibrate a ¼ cell model developed using ANSYS™, including a transient thermo-electro-mechanical weakly coupled analysis. The results obtained are in agreement with in situ measurements and allow a better understanding of the anodic current distribution, cathode surface temperature, baking level of ramming paste and stress distribution in the cathode/lining, which are critical information for further optimization. |
| Proceedings Inclusion? |
Planned: Light Metals |
| Keywords |
Other, Other, Other |