How to diagnose electrode arc instability on a Danieli LF ladle furnace
Arc instability is most often caused by a worn or broken electrode, or contact arm current path deterioration. Inspect the electrode condition and the contact shoe contact before adjusting any controller parameter.
~45 min6 steps
How to diagnose and clear a ladle bottom plug clog on a Danieli LF
No argon stirring with the valve open means the bottom plug is blocked by solidified steel. Test the plug with a high-pressure purge before labeling it failed; blocked plugs often clear with a brief pressure pulse.
~30 min6 steps
How to inspect and manage roof refractory wear on a Danieli LF ladle furnace
Roof refractory wear around the electrode ports reduces the protective barrier and risks a burn-through. Inspect the roof at every planned stop and track minimum thickness against the replacement threshold.
~30 min6 steps