- COOLING DEVICE WITH BREADTH-DEPENDENT COOLING ACTION

摘要

The rolled flat article 2 passes through a cooling device 1 in a transport direction x at the level of a passline 3 . Spray beams 5 , 6 extend transversely to the transport direction x. The spray beams 5 , 6 have in each case two outer zones 7 , 8 and a central zone 9 therebetween, when viewed perpendicular to the transport direction x. Liquid cooling medium 13 can be fed into zones 7 , 8 , 9 via each dedicated individually controllable valve device 10 , 11 , 12 . The central flow rate profile V1 belonging to the central zone 9 of the liquid cooling medium 13 is maximum at the center and, when viewed perpendicular to the transport direction x, at the edge decreasing towards, the central flow profile V1 forms a central triangle, which has one side running perpendicular to the transport direction x and the other two sides of the same length. The external flow profiles V2 , V3 belonging to the external zones 7 , 8 of the liquid cooling medium 13 are maximum at the edges and decrease towards the center, so that the respective external flow profiles V2 , V3 are , forming an outer triangle, which in each case runs parallel to one side and perpendicular to the broadcast direction x. The central triangle and the two outer triangles are combined to form a rectangle.