Method for controlling cooling of steel strip in continuous annealing installation
专利汇可以提供Method for controlling cooling of steel strip in continuous annealing installation专利检索，专利查询，专利分析的服务。并且PURPOSE:To control the temp. of a steel strip so as to follow up accurately a target temp. by detecting the inlet side temp., welding point, tension and conveying speed of the steel strip in a cooling device and the temp. of a refrigerant and controlling the winding angle of the steel strip to cooling rolls. CONSTITUTION:A steel strip 6 is cooled by passing the same through cooling rolls 1-5 in which a refrigerant flows, via an inlet side bridle roll 16, and is ejected from an outlet side bridle roll 17. The inlet side temp. of the strip 6 is detected by a thermometer 7, the line speed by a speedometer 13, the tension of the strip 6 by a tension detecting meter 14, the refrigerant temp. of the cooling roll 3 by a refrigerant thermometer 15 and the welding point by a detector 9, respectively, in each prescribed period and the detected values are outputted to a control device 12. The device 12 determines the temp. of the strip 6 on the inlet and outlet sides of the respective rolls from the input data and a working schedule chart, calculates the contact length between the strip 6 and the rolls 1-5 in the respective rolls 1-5, calculates the pressing rate of the rolls 2, 4 and moves hydraulic cylinders 10 by control devices 11 for hydraulic cylinders thereby adjusting the positions of the movable rolls 2, 4.，下面是Method for controlling cooling of steel strip in continuous annealing installation专利的具体信息内容。
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