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公开(公告)号：US11519052B2
公开(公告)日：2022-12-06
申请号：US17273466
申请日：2019-08-28
Applicant: ArcelorMittal
Inventor： Makhlouf Hamide , Marc Anderhuber , Alain Daubigny , Laurent Lutz
IPC: C21D9/573
Abstract: A cooling roll including an axle and a sleeve, the sleeve having a length and a diameter and being structured as follows: an inner cylinder, a plurality of magnets disposed along at least a portion of the inner cylinder length, each magnet being defined by a width, a height and a length, a cooling system surrounding at least a portion of the plurality of magnets, the cooling system and the plurality of magnets being separated by a gap defined by a height, the gap height being the smallest distance between a magnet and the cooling system above, the magnets having a width such that the following formula is satisfied: gap height×1.1≤magnet width≤gap height×8.6.
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公开(公告)号：US11072846B2
公开(公告)日：2021-07-27
申请号：US15447775
申请日：2017-03-02
Applicant: ArcelorMittal
Inventor： Marc Anderhuber , Alain Daubigny
Abstract: A method for hot-dip coating of a steel strip running in a bath of liquid metal such as zinc, or metal alloy contained in a pan is provided. Dross which are formed during the coating and float at the surface of the bath are moved away from the surface of the strip by at least one inductor. Each inductor produces a sliding electromagnetic field oriented along a given direction and generates a magnetomotive force, and the magnetomotive forces displaced the dross towards a container intended to collect them and/or towards an area of the surface of the bath from which they are discharged. For at least one of the inductors, the direction of the respective sliding electromagnetic field is reversed intermittently so as to modify the flows of the dross inside the pan. A hot dip coating facility is also provided.
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公开(公告)号：US20170175243A1
公开(公告)日：2017-06-22
申请号：US15447775
申请日：2017-03-02
Applicant: ArcelorMittal
Inventor： Marc Anderhuber , Alain Daubigny
Abstract: A method for hot-dip coating of a steel strip running in a bath of liquid metal such as zinc, or metal alloy contained in a pan is provided. Dross which are formed during the coating and float at the surface of the bath are moved away from the surface of the strip by at least one inductor. Each inductor produces a sliding electromagnetic field oriented along a given direction and generates a magnetomotive force, and the magnetomotive forces displaced the dross towards a container intended to collect them and/or towards an area of the surfaceof the bath from which they are discharged. For at least one of the inductors, the direction of the respective sliding electromagnetic field is reversed intermittently so as to modify the flows of the dross inside the pan. A hot dip coating facility is also provided.
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