FIELD: technological processes.
SUBSTANCE: invention is intended for improvement of rollers cleaning efficiency and/or efficiency of cleaning of rolling mill rollers for manufacture of tapes or slabs. High pressure liquid is supplied to rollers via several nozzles. Every nozzle has at least one switching valve, at that one or several nozzles are serially switched on and off one by one, starting from the end of nozzle beam, in which they are installed. Corresponding device has several nozzles that are permanently installed in nozzle beam, every of which has at least one switching valve with the possibility of serial connection and disconnection of one or several nozzles one after the other, starting from the end of nozzle beam. Switching of nozzles may be carried out with preset time intervals, depending on rolling rate.
EFFECT: increase of efficiency of cleaning of rollers and or rolling mill rollers for manufacture of tapes or slabs.
17 cl, 2 dwg
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