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公开(公告)号：US11084076B2
公开(公告)日：2021-08-10
申请号：US16893020
申请日：2020-06-04
Applicant: PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Inventor： Jian Chen , Sieglinde Ehgartner , Reinhard Karl , Erich Opitz , Florian Poeschl , Alois Seilinger , Thomas Trickl
Abstract: A handling line that includes a valve in a feed line that sets the valve to a respective opening position (s) for adjusting a coolant flow (F) to a metal strip per unit of time; an upstream condition detection device upstream of the valve device in the feed line that detects an upstream condition (ZV) of the coolant; a control unit that determines a set point (s*) for an opening position (s) of the valve device corresponding to the set point (F*) for the coolant flow (F) based on a set point (F*) for the coolant flow (F*), the upstream condition (ZV) of the coolant and a valve characteristic (C) of the valve device.
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公开(公告)号：US20240263263A1
公开(公告)日：2024-08-08
申请号：US18566707
申请日：2022-05-20
Inventor： Erich Opitz , Lukas Pichler , Axel Rimnac , Alois Seilinger , Albrecht Sieber , Klaus Weinzierl
CPC classification number: C21D8/0263 , B21B37/76 , C21D8/0226 , B21B2261/20
Abstract: A method for cooling a rolled product in a cooling section which is located upstream of a finishing train of a hot rolling mill. The cooling section includes a cooling device which can deliver a coolant flow of a coolant onto a rolled product surface of the rolled product. In the method, a coolant flow is delivered, by means of each cooling device and in each cooling section pass, onto the rolled product surface, which flow is set to a set value that is assigned to the relevant cooling device for the cooling section pass. The set values for a cooling section pass are determined in a simulation of the cooling section pass so that surface temperatures, determined in the simulation, of the rolled product surface upon leaving active regions of the cooling device do not exceed a minimum value for a surface temperature of the rolled product surface.
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公开(公告)号：US09868142B2
公开(公告)日：2018-01-16
申请号：US14784812
申请日：2014-04-04
Applicant: PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Inventor： Jian Chen , Sieglinder Ehgartner , Reinhard Karl , Erich Opitz , Florian Poeschl , Alois Seilinger
CPC classification number: B21B43/00 , B21B45/0218 , B21B45/0233
Abstract: A flat rolled article (2) passes through a cooling device (1) in a transportation direction (x) at the level of a passline (3). Spray bars (5, 6) extend transversely with respect to the transportation direction (x). The spray bars (5, 6) have, as viewed perpendicular to the transportation direction (x), in each case two outer regions (7, 8) and a central region (9) in between. A liquid cooling medium (13) can be fed into the regions (7, 8, 9) via respective dedicated, individually controllable valve devices (10, 11, 12). Flow rate profiles, pertaining to each region may be set, wherein each region (7, 8, 9) is triangular in shape. The central triangle and the two outer triangles combine to form a rectangle.
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公开(公告)号：US11548044B2
公开(公告)日：2023-01-10
申请号：US17440938
申请日：2020-03-13
Applicant: Primetals Technologies Austria GmbH
Inventor： Erich Opitz , Lukas Pichler , Florian Poeschl , Alois Seilinger , Klaus Weinzierl
Abstract: Device for cooling flat rolled material with a liquid coolant has at least one cooling bar, which is arranged above the conveying path and to which the liquid coolant is fed. A plurality of outlet tubes have, in a flow direction of the liquid coolant, an initial portion, which proceeds from the inlet opening and extends upward, a middle portion, which adjoins the initial portion, and an end portion, which adjoins the middle portion and extends downward and to the output opening. The middle portion contains a vertex at which the coolant flowing through the outlet tube in question reaches a highest point. The outlet openings are located above the cooling bar. A height distance (h1) of the inlet opening from the vertex is at least twice as large, in particular at least three times as large, as a height distance (h2) of the outlet opening from the vertex.
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公开(公告)号：US11358195B2
公开(公告)日：2022-06-14
申请号：US16607399
申请日：2018-03-14
Applicant: Primetals Technologies Austria GmbH
Inventor： Erich Opitz , Lukas Pichler , Alois Seilinger
IPC: B21B45/02 , B21B37/44 , B21B37/74 , B21B27/10 , B22D11/124
Abstract: A cooling bar (1) for cooling rolled material (5) being moved in a transport direction (3) and in particular for reducing temperature differences in the temperature of the rolled material (5) transversely to the direction of transport (3). The cooling bar (1) has several full jet nozzles (11) by means of which a coolant beam of a coolant with an approximately constant jet diameter can be distributed to the rolling stock (5) in the direction of distribution (15). A cooling device has at least two cooling bars (1) of that type. The cooling bars extend transversely to a transport direction, one behind the other. Each cooling bar has a respective different pattern of jet nozzles and selection of applicable pattern of jet nozzles in their respective bars selectively cools the rolled material transversely to the transport direction.
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Patent Agency Ranking
公开(公告)号：US20220088658A1
公开(公告)日：2022-03-24
申请号：US17440938
申请日：2020-03-13
Applicant: Primetals Technologies Austria GmbH
Inventor： Erich Opitz , Lukas Pichler , Florian Poeschl , Alois Seilinger , Klaus Weinzierl
IPC: B21B45/02
Abstract: Device for cooling flat rolled material with a liquid coolant has at least one cooling bar, which is arranged above the conveying path and to which the liquid coolant is fed. A plurality of outlet tubes have, in a flow direction of the liquid coolant, an initial portion, which proceeds from the inlet opening and extends upward, a middle portion, which adjoins the initial portion, and an end portion, which adjoins the middle portion and extends downward and to the output opening. The middle portion contains a vertex at which the coolant flowing through the outlet tube in question reaches a highest point. The outlet openings are located above the cooling bar. A height distance (h1) of the inlet opening from the vertex is at least twice as large, in particular at least three times as large, as a height distance (h2) of the outlet opening from the vertex.
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公开(公告)号：US10076778B2
公开(公告)日：2018-09-18
申请号：US14768097
申请日：2014-02-07
Applicant: PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Inventor： Jian Chen , Sieglinder Ehgartner , Reinhard Karl , Erich Opitz , Florian Poeschl , Alois Seilinger , Thomas Trickl
CPC classification number: B21B45/0215 , B21B1/22 , B21B37/74 , B21B45/0218
Abstract: A cooling section for flat rolling stock (1) has a working region (2), through which the flat rolling stock (1) is guided. The working region (2) can be supplied with a liquid coolant (4) by means of a number of spray beams (3i). The liquid coolant (4) is fed from a reservoir (7) for the liquid coolant (4) to the spray beams (3i) by means of a pump (5) and a supply system (6). Valves (9i) are arranged upstream of the spray beams (3i) in the supply system (6). Opening positions (si) of the valves (9i) are set by a control unit (10) of the cooling section according to a respective sub-flow (fi) that is to be applied to the flat rolling stock (1) by means of each spray beam (3i). Also, the delivery rate (M) of the pump (5) and/or a line pressure (p) generated by the pump (5) in the supply system (6) are set by the control unit (10) according to the total flow (F) that is to be applied to the flat rolling stock (1) by means of all the spray beams (3i).
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公开(公告)号：US11370008B2
公开(公告)日：2022-06-28
申请号：US16320542
申请日：2017-07-13
Applicant: Primetals Technologies Austria GmbH
Inventor： Paul Felix Dollhäubl , Gregor Gerstorfer , Erich Opitz
IPC: B21B27/10
Abstract: A stripping device (7) for a roll stand (1) includes a stripper carrier (15) and a stripper (17) arranged on the stripper carrier (15). The stripper (17) has a main body (19) produced from a fiber-plastic composite. The main body has a main body bottom side (23), which contacts the stripper carrier (15). A felt layer (21) is arranged on a main body top side (25) of the main body (19) which is opposite the main body bottom side (23).
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公开(公告)号：US11103906B2
公开(公告)日：2021-08-31
申请号：US16463432
申请日：2017-11-28
Inventor： Christian Lehner , Erich Opitz , Lukas Pichler , Florian Poeschl , Alois Seilinger , Klaus Weinzierl
Abstract: A cooling system (2) for cooling metal rolling stock. A plurality of cooling bars (8) for applying a coolant onto the rolling stock, one dedicated coolant supply line (36) for each cooling bar (8), and a feed system (9) for guiding the coolant to the coolant supply lines (36). Each cooling bar (8) is connected to the feed system (9) via a dedicated coolant supply line (36). A bypass line (48, 52) for discharging a coolant flow from the feed system (9), is connected on the input side to a connection element (51, 53) of the feed system (9).
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公开(公告)号：US11040385B2
公开(公告)日：2021-06-22
申请号：US16059125
申请日：2018-08-09
Applicant: PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Inventor： Jian Chen , Sieglinde Ehgartner , Reinhard Karl , Erich Opitz , Florian Poeschl , Alois Seilinger , Thomas Trickl
Abstract: A cooling section for flat rolling stock has a working region, through which the flat rolling stock is guided. The working region can be supplied with a liquid coolant by means of a number of spray beams. The liquid coolant is fed from a reservoir for the liquid coolant to the spray beams by means of a pump and a supply system. Valves are arranged upstream of the spray beams in the supply system. Opening positions of the valves are set by a control unit of the cooling section according to a respective sub-flow that is to be applied to the flat rolling stock by means of each spray beam. Also, the delivery rate of the pump and/or a line pressure generated by the pump in the supply system are set by the control unit according to the total flow that is to be applied to the flat rolling stock by means of all the spray beams.
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