Cooling apparatus and cooling method of hot-rolled sheet in hot-rolled cooling-bar vibe

摘要

The present invention is characterized in that a guide roll is provided on a hot run-out table so that the unit cooling device can move up and down on the upper part of the support roll at a point where the unit cooling device ends between the unit cooling device and the unit cooling device, A cooling device for a hot-rolled sheet on a hot-rolled run-out table on which a supporting roll is provided so as to be movable up and down between the cooling rollers, To a cooling method of a hot-rolled sheet on a hot-rolled run-out table so as to calculate an accurate water-cooling length and a co-cooling length by cutting off the remaining cooling water.