Device and method for cooling hot strip

B - Operations – Transporting – 21 – B

Patent

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B21B 45/02 (2006.01)

Patent

CA 2625062

A device and a method for cooling a hot strip capable of uniformly cooling the hot-rolled steel strip from the leading end to the trailing end thereof during cooling of the steel strip using cooling water are provided. A cooling device 10 includes a plurality of tubular nozzles 15 inclined so as to eject rod-like flows of cooling water to a steel strip 12 at an ejecting angle .theta. in a traveling direction of the steel strip 12 and a pinch roller 11 disposed downstream of the tubular nozzles, the steel strip 12 to be nipped between the pinch roller 11 and a table roller 8.

La présente invention concerne un appareil de refroidissement pour une bande d'acier laminée à chaud qui, pendant le refroidissement de la bande d'acier avec de l'eau de refroidissement, est capable de refroidir la bande d'acier de manière uniforme de l'extrémité avant à l'extrémité de fin ; l'invention concerne aussi un procédé de refroidissement. Un appareil de refroidissement (10) comprend plusieurs buses de conduites circulaires (15) disposées avec une inclinaison telle que l'eau de refroidissement de type barre est injectée à un angle d'injection (.theta.) dans la direction du déplacement de la bande d'acier (12) et qu'un rouleau pinceur (11) est disposé sur son côté descendant de manière à pincer la bande d'acier (12) entre celle-ci et la table de rouleau (8).

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