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) under the form of an emulsion and with a means for locating an internal surface of the header at short distance of the product (1), said internal surface comprising a plurality of nozzles suitable for supplying an emulsion and arranged according to a well-defined two-dimensional pattern (11), said pattern being designed so as to create a homogeneous highly turbulent liquid coolant cushion at low pressure on the surface of the product.