B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 41/08 (2006.01)
Patent
CA 2047779
ABSTRACT OF THE DISCLOSURE The invention relates to a casting system for the introduction of a melt from a first vessel to a second vessel, for example from a tundish into a continuous casting mold, or from a ladle into a tundish. The casting system is simple, compact and suitable for small mold cross sections, particularly with billet formats of about 90 x 90 mm2, in which casting can be effected with the exclusion of air. The casting system has a first vessel which is a ladle or a tundish having a discharge opening, located on the bottom of the vessel, in a closure plane, a second vessel which is a tundish or a mold, an immersion tube, having an end surface, a passage opening on the end surface and a longitudinal axis substantially perpendicular to the end surface, with the passage opening located eccentric to the longitudinal axis of the immersion tube. The immersion tube is arranged below the discharge opening of the first vessel, with the end surface of the immersion tube engaging the discharge opening of the first vessel in the closure plane. The immersion tube extends into the second vessel below the melt level. The immersion tube is fastened, rotatable around its longitudinal axis with respect to the first vessel, so that the end surface of the immersion tube, which adjoins the discharge opening, blocks the flow of melt when the discharge opening and the passage opening are not aligned, and allows a flow of melt when the discharge opening and the passage opening are substantially aligned.
Fetherstonhaugh & Co.
Mannesmann Aktiengesellschaft
Schneider Ralf
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