Patent ID: 8151867
Filing Date: 2012-04-10
Classification: B22D

Abstract:
1. A continuous casting device, comprising a mould, an electromagnetic device arranged outside the mould and arranged to provide an electromagnetic field acting on a melt in the mould, said electromagnetic device being supplied with electric current comprising a base frequency and harmonics, and thereby generating a first electromagnetic field based on the base frequency and a second electromagnetic field based on said harmonics, and an inductive sensor, arranged at the mould for the purpose of sensing the position of a meniscus of said melt, and operating at frequencies corresponding to said harmonics, characterised in that at least one screen is provided between the electromagnetic device and the sensor, and that said screen is arranged so as to prevent the second electromagnetic field from disturbing the operation of the sensor but to permit the first electromagnetic field to act on the melt in the region of the meniscus.