Patent ID: 8881568

Claim:
Cooling equipment for a hot rolled steel plate which is arranged on a hot rolling line of a steel plate comprising: an upper header which supplies cooling water to an upper surface of the hot rolled steel plate; upper cooling water jetting nozzles suspended from the upper header that jet rod-shaped water flow; and an upper dividing wall arranged between the hot rolled steel plate and the upper header, a plurality of upper water-supply inlets formed in the upper dividing wall and which allow insertion of lower end portions of the upper cooling water jetting nozzles thereinto, and a plurality of upper drain outlets formed in the upper dividing wall and which drain cooling water supplied to the upper surface of the hot rolled steel plate, the upper drain outlets being separate from the upper water-supply inlets, and wherein the lower end of each upper cooling water jetting nozzle is inserted into an upper water-supply inlet of the upper dividing wall.