Turbulence inhibiting tundish and impact pad and method of using

Details Turbulence inhibiting tundish and impact pad and method of using Turbulence inhibiting tundish and impact pad and method of using

1993-11-16

1994-10-25

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

164437, 222594, 266275, C21B 714

Patent

active

053585518

ABSTRACT:
A tundish and, more specifically, an impact pad is formed with a bottom impact surface and includes an outer side wall extending upwardly therefrom which fully encloses an interior space or cavity having an upper opening into which molten metal is directed from a ladle shroud. The outer side wall of the pad includes an inner surface extending from the bottom impact surface to the opening of the pad. The inner side wall surface includes an annular portion which extends inwardly and upwardly toward the opening of the pad. In the preferred embodiment, the inner side wall surface curves continuously from the bottom impact surface to a vertical wall defining the opening of the pad. The pad redirects the pouring stream back into itself causing the counter current flows to slow each other down thereby minimizing turbulence and inhibiting high velocity flow within the tundish. The upward flow is further is advantageously directed away from the incoming pouring stream toward the surface of the bath.

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Harris, D. J., Young, J. D., "Water Modeling-A Viable Production Tool", Research and Development Dept., Stelco, Inc., pp. 99-112.

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