At first, KAN-NAK evaluates the cells current state, from the thermal and MHD point of view. For this, following is analyzed :
- the current operating conditions: anode-to-cathode distance (ACD), line current, etc.;
- the busbar, shell and cathode design (from drawings);
- the plant geometry (pot-to-pot distance,number and size of adjacent lines, etc.);
Using these parameters, a numerical model of the cell is built. Results are validated by available measurements.
In a second stage, KAN-NAK explores new designs in order to push the largest current without adversely affecting the MHD/thermal state and achieving the lowest possible specific energy consumption.
Options are futher challenged by a cost/benefit analysis.
Once the best suitable option has been singled out, detailed engineering takes place. After that step, KAN-NAK performs a detailed simulation of the choosen configuration, in order to confirm the results of the pre-engineered step.
At this point in time, the technology can be rolled out or tested. It may be useful to perform tests in a booster section of the line.
Typical current increase project methodology with KAN-NAK :