Modelling and Cell Design

Thermo-Electric cell design

Reducing Energy Consumption by Design

 

 

 Design improvement of the Hall-Héroult by trial and error is not practical. However, LMRC advanced mathematical modelling tools can enhance the process of cell design by simulating the resultant thermal and electrical conditions in the cell. This includes prediction of the superheat, ledge profile and more.  Using the 3D thermo-electrical model will enable the LMRC team to verify cell designs prior to installation, detect design faults, and recommend improvements to both design and practices that reduce energy consumption.

 

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Quarter Cell 3D Thermo-Electrical Model

Review the Entire Cell Including the Corners

 

 

 

Quarter cell 3D model is the current benchmark of the Thermo-electrical modelling of aluminium reduction cell. Due to the symmetry of the cell, the model reveals condition of the entire cell and provides additional data to the classic “slice model”,  such as information on the cell end wall and corners.
 

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Revolutionary Dynamic Moving Ledge Algorithm

Knowing the Effect of Thermo-Balance on Ledge Profile

 

  

 

The ‘moving ledge algorithm’ developed by LMRC can predict the impact of cell design – as well as work practices – on ledge profile.  This information can be used as a tool to improve the lifespan of cells by designing sufficient ledge to protect cell sidewall without encapsulating the anodes.

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Change Cell Conditions with Confidence

Predicting Effects of Process Control and Materials Changes

 

 

 

Our 3D Thermo-electrical model can predict the effect of various changes on the heat balance of the cell such as increases in line current, change in lining design, or anode cover thickness and new operating practices. From our expertise in aluminium smelting and reduction cell materials, we can recommend improvements simulated and verified by the model that reduce energy consumption and maximise performance without compromising the integrity of the cell lining.