Patent ID: 8876934
Filing Date: 2014-11-04
Classification: B01F,C21C,F27B,F27D,Y02P

Abstract:
1. An apparatus for electromagnetic stirring of steel melt in an electrical arc furnace, comprising: two electromagnetic stirrer units mounted on an outer bottom surface of said electrical arc furnace at opposites sides of a central position of said bottom surface; and at least one current supply operatively connected to said two electromagnetic stirrer units; and a control unit operatively connected to the current supply to control the operation of the two electromagnetic stirrer units, wherein the two electromagnetic stirrer units have each a core with separate coils wrapped around the core, characterized in that the two electromagnetic stirrer units have each a shield covering a bottom surface and side surfaces of the core placed in-between the core and a winding, the shield reduces the electromagnetic field on the bottom surface and the side surfaces of the stirrer.