Patent ID: 9039956
Filing Date: 2015-05-26
Classification: B21B,C21D

Abstract:
1. A cooling system for a hot-rolled steel strip, comprising: a guide provided on a delivery side of a work roll in a last stand of a hot finishing mill line, the guide including a large number of jet holes formed in the guide and a guide face for guiding a rolled material, leaving from the work roll, in a conveyance direction of the rolled materials; roll cooling nozzles provided, on the delivery side of the work roll, for jetting cooling water to the work roll; and rolled material cooling nozzles attached to a nozzle block, for jetting cooling water directly to the rolled material through the jet holes, wherein the guide is swingably coupled by pins to the nozzle block via brackets, and is urged by a weight placed on a proximal end of the guide or by own weight of the guide such that a distal end of the guide is always brought in contact with a surface of the work roll, and capable of advancing and retreating in the conveyance direction of the rolled material via the nozzle block, and the roll cooling nozzles are attached to the nozzle block.