Casting roll

B - Operations – Transporting – 22 – D

Patent

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Details

B22D 11/06 (2006.01)

Patent

CA 2288279

The casting wheel is used for the continuous casting of strips of metal. It comprises a core 9 and a sleeve 10 made of a heat-conductive material which is shrunk on the core, and circumferential cooling ducts 14 arranged between the core and the sleeve, which are connected to a coolant supply line 12 and coolant discharge lines 13. In order to allow uniform heat dissipation from sleeve 10 at minimized coolant consumption and clearly defined flow conditions, the coolant is guided from the substantially radial supply line 12 into cooling ducts 14 and from cooling ducts 14 into the substantially radial discharge lines 13 by means of at least one guiding element that can be inserted in the cooling ducts 14.

L'invention concerne un cylindre de coulée pour la coulée continue d'une bande métallique, cylindre qui comporte un noyau (9) et une gaine (10) entourant le noyau, réalisée dans un matériau conducteur thermique, des fentes de refroidissement (14) périphériques reliées à des conduites d'amenée (12) et de rejet (13) pour l'agent de refroidissement étant disposées entre le noyau et la gaine du cylindre. Afin de permettre une dissipation uniforme de la chaleur de la gaine (10) du cylindre en cas de consommation réduite d'agent de refroidissement et de conditions d'écoulement nettement stationnaires, on réalise la dérivation de l'agent de refroidissement de la conduite d'amenée (12) sensiblement radiale vers l'intérieur de la fente de refroidissement (14), d'une part, et des fentes de refroidissement (14) vers l'intérieur de la conduite de rejet (13) sensiblement radiale, d'autre part, à l'aide d'un élément distributeur (17) que l'on introduit dans la fente de refroidissement (14).

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