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公开(公告)号：US11072839B2
公开(公告)日：2021-07-27
申请号：US15779961
申请日：2016-12-29
申请人： ArcelorMittal
摘要： A process for cooling a metal substrate running in a longitudinal direction, said process including ejecting at least one first cooling fluid jet on a first surface of said substrate and at least one second cooling fluid jet on a second surface of said substrate, said first and second cooling fluid jets being ejected at a cooling fluid velocity higher than or equal to 5 m/s, so as to form on said first surface and on said second surface a first laminar cooling fluid flow and a second laminar flow respectively, said first and second laminar cooling fluid flows being tangential to the substrate, said first and second laminar cooling fluid flows extending over a first predetermined length and a second predetermined length of the substrate respectively, said first and second lengths being determined so that the substrate is cooled from a first temperature to a second temperature by nucleate boiling.
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公开(公告)号：US20180355456A1
公开(公告)日：2018-12-13
申请号：US15779961
申请日：2016-12-29
申请人： ArcelorMittal
CPC分类号： C21D11/005 , B21B45/0218 , C21D1/667 , C21D9/573
摘要： A process for cooling a metal substrate running in a longitudinal direction, said process including ejecting at least one first cooling fluid jet on a first surface of said substrate and at least one second cooling fluid jet on a second surface of said substrate, said first and second cooling fluid jets being ejected at a cooling fluid velocity higher than or equal to 5 m/s, so as to form on said first surface and on said second surface a first laminar cooling fluid flow and a second laminar flow respectively, said first and second laminar cooling fluid flows being tangential to the substrate, said first and second laminar cooling fluid flows extending over a first predetermined length and a second predetermined length of the substrate respectively, said first and second lengths being determined so that the substrate is cooled from a first temperature to a second temperature by nucleate boiling.
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