公开(公告)号：US12093796B2

公开(公告)日：2024-09-17

申请号：US18293067

申请日：2022-07-13

Applicant: Primetals Technologies Austria GmbH

Inventor： Du Nguyen Duy ,  Katharina Freinschlag ,  Sergey Bragin ,  Klaus Jax ,  Axel Rimnac ,  Alfred Seyr ,  Sonja Strasser

IPC: G06N20/00 ,  B21B37/00 ,  G06F30/27

CPC classification number: G06N20/00 ,  B21B37/00 ,  G06F30/27

Abstract: A method for determining mechanical properties of a first rolled material by a hybrid model that includes production datasets relating to further rolled materials, a physical production model and a statistical data model. The production dataset relating to the first rolled material is used to determine a first mechanical dataset, a further production dataset and a metallurgical dataset and also a second mechanical dataset. An averaged normalized distance value for production datasets relating to the further rolled materials is determined that is used to ascertain the mechanical properties of the rolled material as a weighted average from the first and second mechanical datasets. When creating the hybrid model, the physical production model is used to determine further production datasets relating to the further rolled goods for training the statistical data model.

公开(公告)号：US20240278814A1

公开(公告)日：2024-08-22

申请号：US18569928

申请日：2022-06-10

Applicant: Primetals Technologies Austria GmbH

Inventor： Paul FISCHER ,  Franz HARTL ,  Yvonne KAPPACHER-WINTER ,  Andreas ROHRHOFER

IPC: B61L23/04

CPC classification number: B61L23/04

Abstract: A rail for a rail vehicle track that has a longitudinal extension (L), an apparatus for identifying the rail, and a method for identifying the rail. An identification marker is attached along the longitudinal extension (L) of the rail on an inner side and/or an outer side of the rail. The identification marker is composed of a plurality of symbols, each symbol having at least one partial length (TL) of 0.15 meters, and one identification marker having at least eight symbols. The rail makes it possible for the rail vehicle to identify the rail laid as track during travel in normal operation.

公开(公告)号：US20240269734A1

公开(公告)日：2024-08-15

申请号：US18568741

申请日：2022-05-25

Applicant: Primetals Technologies Austria GmbH

Inventor： Kerstin BAUMGARTNER ,  Simon GROSSEIBER ,  Thomas LENGAUER ,  Gero SCHWARZ

IPC: B22D11/00 ,  B22D11/124 ,  B22D11/22 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50

CPC classification number: B22D11/001 ,  B22D11/124 ,  B22D11/225 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50

Abstract: A process that produces a microalloyed steel in an integrated casting-rolling plant having a continuous casting machine with a mold, a single- or multi-stand prerolling train, a finish-rolling train having a first stand group with at least one first finish-rolling stand and a second stand group having at least one stand cooler. A metallic melt is cast in the mold to obtain a partly solidified thin-slab strand, which is supported, deflected and cooled. The solidified thin-slab strand is rolled by the prerolling train to obtain a prerolled strip that is finish-rolled in the first stand group to obtain the finish-rolled strip, which is fed to the second stand group and force-cooled in the second stand group, the finish-rolled strip having a thickness that results in a cooling rate of the core of the finish-rolled strip in the second stand group greater than 20° C./s and less than 200° C./s.

公开(公告)号：US12011749B2

公开(公告)日：2024-06-18

申请号：US17047642

申请日：2019-04-25

Applicant: Primetals Technologies Austria GmbH

Inventor： Ansgar Radek ,  Bernhard Schinagl

IPC: B21B31/07 ,  B21B31/18

CPC classification number: B21B31/078 ,  B21B31/18 ,  B21B2269/14

Abstract: The invention relates to a roll stand, comprising: a working roll, which is mounted in the roll stand floatingly and for rotation about an axis of rotation extending axially and which has two axially opposite end faces; and at least one bearing assembly, which is arranged on one of the two end faces of the working roll and by means of which the working roll is floatingly supported in the roll stand and which has a housing, in which the working roll is mounted using a fixed bearing. According to the invention, the bearing assembly has a supporting device, by means of which the bearing assembly can be axially supported in the roll stand.

公开(公告)号：US11999572B2

公开(公告)日：2024-06-04

申请号：US17627715

申请日：2020-07-14

Applicant: Primetals Technologies Austria GmbH

Inventor： Gerald Rosenfellner

IPC: B65G17/06 ,  B65G21/08 ,  F27B9/24

CPC classification number: B65G17/063 ,  B65G21/08 ,  F27B9/24 ,  F27B9/243

Abstract: The invention relates to a conveying system for conveying a material to be conveyed along a conveying path. The conveying system includes a conveying chamber in which the conveying path is arranged. At least one component of a conveying mechanism for conveying the material to be conveyed is arranged outside the conveying chamber. The conveying mechanism includes a traction drive having at least one traction element by means of which carrying elements can be moved in order to convey the material to be conveyed. The carrying elements are arranged in the conveying chamber and protrude through a through-opening out of the conveying chamber. Inside the conveying chamber and/or in the region of the through-opening, the surfaces of the carrying elements are at least partially provided with a thermal insulation material.

公开(公告)号：US11975372B2

公开(公告)日：2024-05-07

申请号：US17262268

申请日：2019-07-09

Applicant: Primetals Technologies Austria GmbH

Inventor： Friedrich Moser

IPC: B21B1/22 ,  B21B39/02 ,  G01B5/00 ,  G01B5/20 ,  B21B37/22 ,  B21B37/68 ,  B21B38/00 ,  B21B38/04 ,  B21B39/14

CPC classification number: B21B39/02 ,  B21B1/22 ,  G01B5/0009 ,  G01B5/20

Abstract: A device for ascertaining the lateral strip contour and/or the position of the strip edges of a metal strip. It includes at least one sensing element for ascertaining suitable measurement data. The sensing element is integrated into a lateral guide together with a main part module of the metal strip conveying device. The lateral guide includes at least one wear element which is arranged in the lateral guide and which comprises a wear element adjusting device that can be rotated about a rotational axis substantially perpendicular to a guide plane of the lateral guide. The wear element together with the wear element adjusting device is designed as a sensing element. In an operating method, at least one sensing element is brought into contact with a lateral edge at a starting time, and suitable measurement data is ascertained using the sensing element while the metal strip runs past the sensing element.

公开(公告)号：US20240052442A1

公开(公告)日：2024-02-15

申请号：US18250928

申请日：2021-10-28

Applicant: Primetals Technologies Austria GmbH

Inventor： Robert MILLNER ,  Norbert REIN ,  Johann WURM

IPC: C21B13/14 ,  C21B13/00 ,  C21C5/52

CPC classification number: C21B13/14 ,  C21B13/0073 ,  C21C5/5205

Abstract: A process for steel production that includes:



production of sponge iron from iron oxide-containing starting material by direct reduction with reduction gas, wherein the reduction gas has at least 20% by volume of hydrogen H2,
and production of an iron melt having a carbon content of 1-5% by mass from the sponge iron.




Sponge iron is subjected to a treatment that includes:



energy input and addition of additives to produce a melt and a slag, wherein the energy input is effected substantially from electricity and wherein the slag has a basicity B2 of less than 1.3, preferably less than 1.25, particularly preferably less than 1.2,
adjustment of the carbon content in the melt,
reduction of at least a sub-amount of the iron oxides present in the sponge iron




The slag is separated during and/or after the treatment.

公开(公告)号：US11806769B2

公开(公告)日：2023-11-07

申请号：US17854096

申请日：2022-06-30

Applicant: Primetals Technologies Austria GmbH

Inventor： Klaus Frauenhuber ,  Walter Grabner ,  Friedrich Moser ,  Juergen Schiefer

IPC: B21B39/14 ,  B21B1/24 ,  B21B13/02

CPC classification number: B21B39/14 ,  B21B1/24 ,  B21B13/02

Abstract: A device for laterally guiding a metal strip (1, 13) running over a loop lifter (4, 12) between two roll stands (2, 3, 8, 9) of a finishing train. The device includes at least one main member module (14) extending in a direction between the roll stands. The module has a guiding plane (15), and also supports a number of wear members (18, 19, 20), each with a wear surface (21, 22, 23). Those wear members can be turned to a number of rotational positions. At least two wear members (18, 19, 20) are respectively arranged between one of the roll stands (2, 3, 8, 9) and the loop lifter, wherein, seen in the direction of the loop lifter (4, 12), the surface area of the wear surface (21, 22, 23) of adjacent wear member bodies (18, 19, 20) increases. During the operation of the device, at least one of the wear members is rotated while the metal strip (1, 13) is running to expose another area of the wear surface to the side of the strip.

公开(公告)号：US11779970B2

公开(公告)日：2023-10-10

申请号：US17441373

申请日：2020-03-16

Applicant: Primetals Technologies Austria GmbH

Inventor： Walter Grabner ,  Friedrich Moser

IPC: B21B39/14 ,  B21B15/00

CPC classification number: B21B15/00 ,  B21B39/14 ,  B21B2015/0057

Abstract: A device having a housing (2) and a rotary element (4) mounted in the housing (2) such that it can be rotated and axially shifted (14). In order to reduce bearing loads in the rotary element (4), with eccentric loading of the rotary element (4), the device provides at least one first support surface (6) on an end side (8) of the rotary element (4) and a second support surface (10) axially, opposite (40) the first support surface (6) on the housing (2). The rotary element (4) is then mounted in the housing (2) in such a way that, with the impact of an axial force (12) on the rotary element (4), the axial shiftability (14) of the rotary element (4) is limited by the support (16) of the first support surface (6) on the second support surface (10).

公开(公告)号：US11773459B2

公开(公告)日：2023-10-03

申请号：US16302144

申请日：2017-06-08

Applicant: Primetals Technologies Austria GmbH

Inventor： Robert Millner

IPC: C21B13/02 ,  C21B13/00 ,  F27B1/21 ,  F27D17/00 ,  F27D19/00

CPC classification number: C21B13/0073 ,  C21B13/004 ,  C21B13/02 ,  F27B1/21 ,  F27D17/008 ,  F27D2019/0068

Abstract: A method for the direct reduction of feedstock, containing metal-oxide, to form metallic material, by contact with hot reduction gas in a reduction assembly (1): the product of the direct reduction process is discharged from the reduction assembly by a product discharge apparatus, which is flushed with seal gas, drawn off from the vent gas and subsequently dedusted. At least one portion of the dedusted vent gas is used as a combustion energy source during the production of the reduction gas, and/or as a component of a furnace fuel gas during a combustion process for heating the reduction gas, and/or as a component of the reduction gas. Apparatus for carrying out the method is disclosed.