Importance

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Abstract

The flow control of molten material in a tundish is improved by the design of a perpendicular turn in the path of flow of the molten material as the flow leaves an intermediate section of the tundish or casting receptacle and overflows transversely an exit lip to thereby contact a heat-extracting substrate. The perpendicular turn in the flow achieves improved control of the molten material's velocity profile, cooling rate, and depth and flow uniformity of the molten material in the casting receptacle. The essentially perpendicular turn in the path of the molten material from the intermediate section causes the molten material to approach the exit lip in a transverse direction unlike conventional laminar or direct delivery molten flow. The transverse flow relative to the direction of the exit overflow toward the casting or cooling surface facilitates improved mixing of the molten material, improved control of the depth gradient, and improved control of the velocity into the exit lip.

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First Claim