... metallurgical industry: furnace bottom type AL-EMS; side face type AL-EMS; DCB-EMP, AL-EMS for aluminium recycling (twin- chamber furnace) ... 8°3.5Hz in 2 phases or 3 phases. The currents through the stirrer windings generate a traveling magnetic filed, which ... regularly, then the purpose of stirring realized. Change voltage, frequency and phase, you could change stirring force and direction. AL-EMS