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1. 发明申请

WO1994000605A1 METAL BAND COOLING APPARATUS AND COOLING METHOD THEREFOR 审中-公开
标题翻译：金属带冷却装置及其冷却方法
公开(公告)号：WO1994000605A1
公开(公告)日：1994-01-06
申请号：PCT/JP1993000843
申请日：1993-06-22
申请人： NKK CORPORATION , KITAGAWA, Naoto , OMORI, Sugao , SEIKE, Takaya , OHMORI, Koji , YAMAZAKI, Masayuki , SATO, Hiroaki , OISHI, Hitoshi , SUZUKI, Masafumi , YOSHIOKA, Osamu , ARAKI, Yasuhiro , SAWADA, Hiroshi , HASHIMOTO, Kazunori , KOBAYASHI, Hideo , UCHINO, Shuzo , SATO, Hideki
发明人： NKK CORPORATION
IPC分类号： C21D09/573
CPC分类号： C21D9/573 , C21D1/613 , C21D1/667 , C21D9/5737
摘要： A metal band cooling apparatus in a roll cooling machine on a heat treatment line, and a cooling method therefor. The basic characteristics of this invention reside in a roll cooling apparatus for regulating the contact length of a metal band with not less than one cooling roll by winding the metal band around the cooling rolls, the apparatus having a gas cooling unit disposed in an opposed state with respect to the cooling rolls via the metal band, and provided with not less than two nozzle headers extending in the lengthwise direction of the rolls, having a width smaller than that of the metal band and formed so that these nozzle headers can be moved in the moving direction of the cooling rolls and so that at least one of the nozzle headers can be moved in the lengthwise direction of the cooling rolls; and a gas regulating unit for regulating the pressure or flow rate of a cooling gas in the nozzle headers. By utilizing this structure, the narrow nozzle headers of the gas cooling unit is moved to a position just above a hot point of a narrow W-type ununiform temperature distribution, and a cooling gas the pressure or flow rate of which has been regulated by the gas regulating unit is blown out toward the hot point, whereby the mentioned part is cooled in a concentrated manner to efficiently eliminate ununiform temperature distribution.
摘要翻译：热处理生产线上的辊冷却机中的金属带冷却装置及其冷却方法。本发明的基本特征在于一种辊冷却装置，用于通过将金属带缠绕在冷却辊周围来调节具有不少于一个冷却辊的金属带的接触长度，该装置具有以相对状态设置的气体冷却单元相对于冷却辊经由金属带，并且设置有不小于两个在辊的长度方向上延伸的喷嘴头，其具有比金属带的宽度小的宽度，并且形成为使得这些喷嘴头可以移动冷却辊的移动方向，并且使得至少一个喷嘴集管能够在冷却辊的长度方向上移动; 以及用于调节喷嘴头中的冷却气体的压力或流量的气体调节单元。通过利用这种结构，气体冷却单元的窄喷嘴集管移动到刚好在窄W型不均匀温度分布的热点上方的位置，并且其压力或流量由气体调节单元向热点吹出，由此所述部分被集中冷却，以有效地消除不均匀的温度分布。

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