EINE VORRICHTUNG ZUM KONTINUIERLICHEN ODER HALBKONTINUIERLICHEN GIESSEN EINES METALLS

摘要

The present invention relates to a device for continuous or semi-continuous casting of a metal material. The device comprises a first arrangement comprising a coil ( 7 ) having an extension around the casting mould ( 2 ) in an area, which is arranged to comprise molten metal material. The coil ( 7 ) is arranged to be fed with alternating current such that a varying magnetic field generated and is applied to the molten metal material in the casting mould ( 2 ). The device also comprises a second arrangement comprising at least two magnetic poles ( 8 ), which are provided at opposite sides of the casting mould ( 2 ). The poles ( 8 ) are arranged to supply a static or periodic low-frequency magnetic field to the molten metal material in the casting area. The poles ( 8 ) comprise at least a portion ( 11 ) which comprises a plurality of material layers which are electrically insulated from each other.