B - Operations – Transporting – 21 – B
Patent
B - Operations, Transporting
21
B
B21B 45/02 (2006.01) C21D 1/667 (2006.01) C21D 9/573 (2006.01)
Patent
CA 2718465
The invention relates to a method for acting on the temperature of a running strip (4), by blowing a gas or a water-gas mixture, wherein said method comprises ejecting, on each surface of the strip, a plurality of jets of said gas or water-gas mixture extending towards the surface of the strip and arranged such that the impacts (24, 34) of the jets of said gas or water-gas mixture on each surface of the strip are distributed at the nodes of a two-dimensional network. The impacts (24) of the jets on a surface (A) are not directly opposite the impacts (34) of the jets on the other surface (B), and the jets of said gas or water-gas mixture are generated by tubular nozzles (22, 23) supplied by at least one distribution casing (21, 31) and extending at a distance from the distribution casing in order to leave a free gap for the flow of the returning gas or water-gas mixture, in parallel to the longitudinal direction of the strip and perpendicularly to the longitudinal direction of the strip.
La présente invention concerne un procédé d'action sur la température d'une bande (4) en défilement par soufflage de gaz ou d'un mélange eau/gaz selon lequel on projette sur chaque face de la bande une pluralité de jets de gaz ou d'un mélange eau/gaz s'étendant en direction de la surface de la bande et disposés de telle sorte que les impacts (24, 34) des jets de gaz ou d'un mélange eau/gaz sur chaque surface de la bande sont répartis aux noeuds d'un réseau bi-dimensionnel. Les impacts (24) des jets sur une face (A) ne sont pas en regard des impacts (34) des jets sur l'autre face (B), et les jets de gaz ou d'un mélange eau/gaz sont issus de buses tubulaires (23, 33) alimentées par au moins un caisson de répartition (21, 31 ) et s'étendant à distance du caisson de répartition de façon à laisser libre un espace de circulation du gaz ou du mélange eau/gaz en retour parallèlement au sens longitudinal de la bande et perpendiculairement au sens longitudinal de la bande.
Beaujard Karen
Durighello Paul
Elias Akli
Muller Jerome
Petesch Thierry
Arcelormittal France
Robic
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