Impact pad for dividing and distributing liquid metal flow

Details Impact pad for dividing and distributing liquid metal flow Impact pad for dividing and distributing liquid metal flow

B - Operations, Transporting

22

D

B22D 41/00 (2006.01)

Patent

CA 2446265

A tundish impact pad (1) for use in the continuous casting of molten metal is described that includes a base plate (2) having an upper impact surface surrounded, at least in part, by a sidewall (4) defining passageways. The impact pad is adpated to receive and deflect an incoming stream of molten metal, and permit outflow of the deflected stream through the passageways and the open top surface of the pad. Vaulted-stepped features (8, 9, 10) surrounding the passages and/or weir-like walls (4) assist directing the outflow. The division and distribution of the outflow facilitates the development of plug flow in the molten metal between the impact pad and the tundish outlet.

L'invention concerne un répartiteur par impact de bassin de coulée (1), destiné au coulage continu de métal fondu, comprenant une plaque de base (2) comportant une surface d'impact supérieure (3) entourée, au moins en partie, d'une paroi latérale (4) définissant des passages (5). Le répartiteur par impact est conçu pour recevoir et dévier un flux entrant de métal fondu, et permet une écoulement de sortie de flux dévié à travers les passages et sa surface supérieure ouverte. Des caractéristiques en voûte étagée (8, 9, 10) entourant les passages et/ou des parois (4) de type déversoir permettent d'appuyer la déviation de l'écoulement de sortie. La division et la distribution de l'écoulement de sortie facilite le développement d'écoulement en piston du métal fondu entre le répartiteur par impact et la sortie du bassin de coulée.

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