US 11,786,949 B2
Cooling of rolled material
Erich Opitz, Mönchhof (AT); Lukas Pichler, Linz (AT); and Alois Seilinger, Linz (AT)
Assigned to PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Filed by Primetals Technologies Austria GmbH, Linz (AT)
Filed on Apr. 8, 2022, as Appl. No. 17/716,000.
Application 17/716,000 is a division of application No. 16/607,399, granted, now 11,358,195, previously published as PCT/EP2018/056437, filed on Mar. 14, 2018.
Claims priority of application No. 17168241 (EP), filed on Apr. 26, 2017.
Prior Publication US 2022/0226873 A1, Jul. 21, 2022
Int. Cl. B21B 45/02 (2006.01); B21B 37/74 (2006.01); B21B 37/44 (2006.01); B21B 27/10 (2006.01); B22D 11/124 (2006.01)
CPC B21B 45/0218 (2013.01) [B21B 45/0233 (2013.01); B21B 37/44 (2013.01); B21B 37/74 (2013.01); B21B 2027/103 (2013.01); B22D 11/1246 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A cooling device for cooling rolled material which is being moved in a transport direction, the cooling device comprising:
multiple cooling bars each of which extends transversely to the transport direction, the cooling bars are arranged one behind another along the transport direction;
each cooling bar comprising multiple full jet nozzles, each jet nozzle is configured to output a coolant jet of a coolant with a substantially constant jet diameter to the rolled material;
a temperature measuring device for determining a temperature distribution of a temperature of the rolled material transversely to the transport direction;
a control device for automatically controlling flow volumes of coolant to the individual cooling bars in dependence on the temperature distribution of the temperature of the rolled material transversely to the transport direction; and
at least two of the cooling bars comprise nozzle densities and/or outlet diameters of their full jet nozzles which vary differently from one another transversely to the transport direction,
wherein the control device is configured to calculate flow volumes of coolant to at least a number of cooling bars of the multiple cooling bars in dependence on the temperature distribution detected with the temperature measuring device to level out temperature differences in the rolled material transversely to the transport direction, and to reduce the temperature of the rolled material to a desired value, and wherein the flow volumes of coolant to the at least a number of cooling bars of the multiple cooling bars are calculated by the control device based on a model produced from parameters of the rolled material.