Method and device for enhanced strip cooling in the cold rolling mill

摘要

The present invention relates to a device (8) for cooling a flat or long metallurgical product (1) in a cold rolling mill, by creating a highly turbulent liquid coolant cushion at low pressure, comprising a header made of one or more compartments (9), each compartment (9) being provided with a means for supplying the liquid coolant (10) and with an internal surface to be located at short distance of the product (1), said internal surface comprising a plurality of nozzles or bore holes arranged according to a well-defined two-dimensional pattern (11).