Tundish impact pad

Details Tundish impact pad Tundish impact pad

1994-11-09

1996-05-21

Kastler, Scott

Dispensing

Molten metal dispensing

Flow controllers or assists

266275, 75584, C21B 714

Patent

active

055181538

ABSTRACT:
A tundish impact pad has a non-uniform construction with a long dimension and a short dimension perpendicular to the long dimension, the long dimension of the impact pad disposed aligned with the long dimension of the tundish on the tundish floor. The impact pad is a body of refractory material capable of withstanding continuous contact with molten steel during the entire use cycle of the tundish. The body has a base with an impact surface, an endless outer side wall extending upwardly from the impact surface, and a top surface substantially parallel to the impact surface and connected to the side wall and defining a non-uniform opening. The side wall also has an interior face which is semi-circular about an axis substantially parallel to the impact surface around the entire extent thereof, or channel-shaped, so that molten steel contacting the impact surface flows outwardly, then in turn inwardly then directed upwardly by the side wall interior face, and then flows out the opening. The opening may be substantially rectangular or oval. The outer side wall may be tapered inwardly at opposite ends at the base and include ears which facilitate mounting of the body in place in a tundish, or may be straight.

REFERENCES:
patent: 3887171 (1975-06-01), Neuhaus
patent: 4776570 (1988-10-01), Vo Thanh et al.
patent: 5169591 (1992-12-01), Schmidt et al.
patent: 5358551 (1994-10-01), Saylor
Preventur advertisement., COMAT Co. "Turbulence Inhibiting Tundish Pour Pad" Dec. 16, 1993.
Isenberg-O'Loughlin, "Taming the Thunder" 33 Metalproducing, pp. 21-23 and 47. Sep. 1994.

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