Steel rolling water-penetrating efficient nozzle

The utility model discloses an efficient nozzle for steel rolling water penetration. Water-cooled tube, wherein one side of the water-cooled pipe is provided with a rolled material inlet, the outer ring of the water-cooled pipe is sleeved with a circle of nozzle base metal to form a closed spray cavity, the bottom of the spray cavity is provided with a cold water inlet, the pipe wall of the water-cooled pipe is provided with a circle of A-row water jet nozzles and a circle of B-row water jet nozzles, and the A-row water jet nozzles and the B-row water jet nozzles communicate. A spraying cavityis formed in the outer ring of the water cooling pipe; the spray cavity is communicated with the inner cavity of the water cooling pipe through the A-row water jet nozzle and the B-row water jet nozzle, the A-row water jet nozzle and the B-row water jet nozzle spray water into the water cooling pipe to form two circles of closed water curtains, and the water outlet direction of the nozzles is 360degrees without dead angl