FIELD: heat treatment of rolled stock in flow of rolling mill. SUBSTANCE: proposed device includes delivery injector, cooling and hydraulic transportation chamber and cut-off. Cooling and hydraulic transportation chamber is provided with at least one more injector along its length. When one injector is cut in, other injector is cut out. Proposed device ensures change of cooling zone, i.e. duration of cooling without discontinuing rolling process and readjustment of device. EFFECT: enhanced efficiency of cooling; increased productivity of rolling mill. 1 dwg
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Authors
Dates
2003-06-10—Published
2001-06-07—Filed