FIELD: performed operations; cooling.
SUBSTANCE: invention relates to rolling mill rolls cooling. Rolling mill comprises a pair of working rolls, a pair of support rolls, device for water cushion cooling, which is capable of spraying multiple cooling jets under pressure to at least one of the above working rolls, and detachable panel located between the above water cushion cooling device and the above working roll. Said panel is concave and has such a curvature that the gap between said detachable panel and said working roll is constant or increases with movement in the direction of the support roll. Said clearance makes 5-200 mm. Panel has holes so that the specified cooling jets can pass through it.
EFFECT: higher operational flexibility of cooling head, which allows obtaining water cushion in turbulent state during cooling of working rolls of various diameters.
8 cl, 3 dwg
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