Flow control device

B - Operations – Transporting – 22 – D

Patent

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Details

IPC codes

B22D 37/00 (2006.01) B22D 43/00 (2006.01)

Type

Patent

Patent number

CA 2198490

Description

A flow control device for the outlet (14) of a molten metal handling vessel (10) is provided for use towards the end of the pouring of molten metal through the outlet. The device (22) has a head portion (25) and a tail portion (26) with flow channels (25c) defined between the head and tail portions to reduce vortex effects in the molten metal (20), the tail portion (26) being contoured to fit into a correspondingly contoured entrance (19) to the outlet (14) with the flow channels (25c) leading into the outlet (14) and the device (22) being attached to a refractory positioning means (23) whereby it can be fitted into the outlet (14) during flow of the molten metal (20) through the outlet.

Un dispositif de commande d'écoulement, destiné à la sortie (14) d'une cuve de traitement (10) d'un métal fondu, s'utilise vers la fin du déversement de métal fondu par cette sortie. Ce dispositif (22) présente une tête (25), une partie terminale (26) et des canaux d'écoulement (25c), définis entre cette tête et cette partie terminale pour réduire les effets de vortex du métal fondu (20). La partie terminale (26) est conformée de façon à s'adapter dans un orifice à forme correspondante (17) qui mène dans la sortie (14), les canaux d'écoulement (25c) aboutissant dans cette sortie (14), et ce dispositif (22) est fixé à un système de positionnement réfractaire (23) lui permettant de s'adapter dans la sortie (14) pendant l'écoulement du métal fondu (20) au travers de cette sortie.

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