| 摘要 |
A device, for continuous or semicontinuous casting of metal in a casting mould, for braking and splitting up a primary flow of hot melt supplied to a casting mould, and controlling the flow of melt in the non-solidified portions of a cast strand which is formed in the casting mould. The device comprises a plurality of water box beams (51, 52) which support and cool the casting mould and supply a coolant to the casting mould, and a magnetic brake. The magnetic brake is adapted to generate at least one static or periodic low-frequency magnetic field to act in the path of the inflowing melt and comprises at least one or more magnets (71, 72, 710, 720, 730, 740) to generate the magnetic field, one or more cores to transmit the magnetic field generated by the magnet to the casting mould and the cast strand present in the casting mould, and one or more magnetic return paths to close the magnetic circuit. The water box beam is completely or partially arranged in a magnetically conducting material. A magnetic brake comprises one or more magnetic circuits, each of which, in addition to the magnet, the core and the return path, also comprising the casting mould and the cast strand present in the casting mould into a magnetic circuit. The magnet (71, 72, 710, 720, 730, 740) is arranged in a recess (91, 92) in a water box beam. The magnet and the magnetic return path are arranged integrated into the water box beam such that the magnet and the magnetic return path in their entirety are arranged inside the rear wall of the water box beam.
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