APPARATUS FOR CONTROLLING THE TEMPERATURE OF STEEL DURING HOT-ROLLING ON A CONTINUOUS HOT-ROLLING MILL

摘要

A spray unit positioned between roll stands in the path of a steel workpiece advancing in a predetermined substantially horizontal pass line in a continuous hot-rolling mill, includes a pair or spaced spray chambers longitudinally aligned in tandem. The steel workpiece passes through a spray section in each of the spray chambers. As the steel workpiece passes through the spray sections, water is sprayed by high pressure nozzles onto the entire surface of the steel workpiece to reduce the temperature thereof. Guard means are provided to prevent damage to the high pressure nozzles. The steel workpiece is aligned axially in the spray chambers by positioning means. The sprayed water is rapidly removed from the spray sections to prevent the formation of a water bath in the spray chambers.