C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
C21D 9/573 (2006.01) B21B 45/02 (2006.01) F27D 9/00 (2006.01)
Patent
CA 2583748
The invention relates to a method and device for improving the cooling of a blown gas cooling chamber or a blown air cooling section and/or for improving the quality of products to be treated, wherein jets of gas or air are projected towards each of the surfaces of the strip which is displaced inside the chamber or section. According to the invention, the jets of gas or air (58) are emitted from blowing tubes (52) provided with tubular nozzles (51) which are fitted at a distance from each other, perpendicular to the direction (100) in which the strip is displaced. The jets are directed towards the appropriate surface of the strip, being essentially inclined towards the edges of the strip on a plane that is perpendicular to the plane of the strip and the direction (100) in which the strip is displaced, and upstream or downstream from the strip on a plane that is perpendicular to the plane of the strip and parallel to the direction (100) in which the strip is displaced.
L'invention concerne un procédé et un dispositif d'amélioration du refroidissement d'une chambre de refroidissement à gaz soufflé ou d'une section de refroidissement à air soufflé et/ou d'amélioration de la qualité des produits à traiter, dans lequel on projette des jets de gaz ou d'air vers chacune des faces de la bande en déplacement dans ladite chambre ou section. Conformément à l'invention, les jets de gaz ou d'air (58) sont émis à partir de tubes de soufflage (52) équipant des buses tubulaires (51) agencées à distance l'une de l'autre transversalement à la direction (100) de déplacement de la bande (53) , lesdits jets étant dirigés vers la face concernée de la bande en étant inclinés essentiellement à la fois vers les bords de ladite bande dans un plan perpendiculaire au plan de la bande et à la direction (100) de déplacement de ladite bande, et vers l'amont ou 1 ' aval de la bande dans un plan perpendiculaire au plan de la bande et parallèle à la direction (100) de déplacement de ladite bande.
Boyer Michel
Dubois Patrick
Cmi Thermline Services
Goudreau Gage Dubuc
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