Metal pouring method and apparatus

Details Metal pouring method and apparatus Metal pouring method and apparatus

B - Operations, Transporting

22

D

39/113

B22D 41/38 (2006.01)

Patent

CA 2034235

ABSTRACT: METAL POURING METHOD AND APPARATUS Flow of molten steel from a tundish to a continuous casting mould is controlled by a sliding gate valve. The gate valve comprises a stationary refractory member having a metal pouring orifice and a slidable refractory member also having a metal pouring orifice and movable between an open condition in which its orifice is aligned with the orifice of the stationary member, and a closed condition in which the two orifices are out of alignment. Freezing of molten steel at the sliding gate valve when it is closed is prevented by imparting an incremental stepping motion to the slidable member in its closed condition.

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