EP2276594B1 - Installation de coulée continue pour la coulée d'une barre métallique présentant une section transversale de billette ou de blooms - Google Patents

Installation de coulée continue pour la coulée d'une barre métallique présentant une section transversale de billette ou de blooms Download PDF

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Publication number
EP2276594B1
EP2276594B1 EP09749700.2A EP09749700A EP2276594B1 EP 2276594 B1 EP2276594 B1 EP 2276594B1 EP 09749700 A EP09749700 A EP 09749700A EP 2276594 B1 EP2276594 B1 EP 2276594B1
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EP
European Patent Office
Prior art keywords
segment
strand guide
strand
support frame
mold
Prior art date
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Active
Application number
EP09749700.2A
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German (de)
English (en)
Other versions
EP2276594A1 (fr
Inventor
Reinhard Simon
Josef Guttenbrunner
Gerhard Kern
Franz Leingruber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Primetals Technologies Austria GmbH
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Primetals Technologies Austria GmbH
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Publication date
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Publication of EP2276594A1 publication Critical patent/EP2276594A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1282—Vertical casting and curving the cast stock to the horizontal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1285—Segment changing devices for supporting or guiding frames

Definitions

  • the invention relates to a continuous casting plant for casting a metal strand with billet or billet cross section with a usable in a Kokillentragrahmen, changeable and oscillating mold for forming a metal strand and a mold adjacent to the strand guide for supporting and guiding the metal strand, wherein the strand guide two or more strand guide segments and each strand guide segments is supported via a segment support frame in the plant structure of the continuous casting and a immediately following in the strand guide of the mold first segment support frame at least two strand guide segments supported.
  • disruptions to operation may occur due to a strand break-through, with melt emerging between the mold and the first strand guide segment located downstream of the mold, and damage preferably occurring at this strand guide segment, which requires the possibility of a rapid segment change.
  • a continuous casting plant for casting steel strands with slab cross sections is already known, in which a chill mold follows a strand guide, with a plurality of strand guide segments supported on segment support frames. Each three or four segments are assigned to a segment support frame and each of these segments can be removed and installed along associated mounting rails substantially in the radial direction of the strand guide. This concept is used especially in heavy slab casters and is not suitable for billet or bloom systems in this form.
  • a changing device for removal and installation of strand guide segments is from the WO 03/076106 A2 already known.
  • WO 97/44150 A1 is a continuous casting for casting metal strands with billet or billet cross section of the generic type known, with a unit forming a machine head, which allows easy assembly or replacement of mold, parts of the subsequent strand guide and Kokillenrrocker.
  • the mold following roller mold which is to ensure an all-round support of the cast metal strand after its exit from the mold, sunk into the subsequent second strand guide segment on the input side and supported in this.
  • This type of support complicates the assembly and alignment of the strand guide rollers of the caster structure on the outer and inner bow side strand guide rollers of the second strand guide segment and the mold.
  • the WO 02/081124 A1 shows a device for cooling and guiding a metal strand with billet or billet cross section in the secondary cooling zone of a continuous casting.
  • the continuous casting plant comprises according to FIG. 1 a mold, which is designed usually oscillating. This mold is followed by a mold Strand guide.
  • the strand guide consists of individual roller segments, which are mounted on a segment support frame. The attached to the support frame single roller segments are usually designed so that they are also individually solvable and replaceable.
  • the roller segments are usually "substantially vertical", designed, for example, by a hall crane, expandable.
  • D1 discloses that the roller segments comprise spray cooling devices for strand cooling and furthermore there are rollers which are adjustable in width and thickness of the strand.
  • the DE 2729457 A1 shows a continuous casting with a mold and a first strand guide segment, in which the mold is designed to be expandable with the first strand guide segment through the mold space upwards.
  • the object of the present invention is therefore to avoid the disadvantages of the known prior art and in a continuous casting of the above described type to improve the adjustment of the individual successive strand-forming and strand-supporting components to each other and adapt to different maintenance requirements.
  • This object is achieved in a continuous casting of the type described above in that the first of the mold directly subsequent strand guide segment removably attached to the first segment support frame to substantially vertical support surfaces and regardless of the subsequent strand guide segments from the continuous casting and off is built into this and that at least the last supported on the first segment support frame strand guide segment forms only together with this an assembly and off the continuous casting and is designed to be installed in this.
  • the at least last supported on the first segment frame strand guide segment with the segment frame a unit and as such, preferably exclusively as such, from the continuous casting and trained in this trained.
  • connection hooks are arranged on the module.
  • the substantially vertical support surfaces are oriented parallel to the strand conveying direction.
  • a very expedient embodiment of the invention is that the first strand guide segment after a successful removal of the mold and after the release of fasteners from the substantially vertical support surfaces substantially vertically upwards by the mold accommodating mold cavity is designed expandable.
  • the free mold space occupied by the mold is dimensioned such that the expansion of the segment support frame with a mounted or connected to it Strand guide segment with, for example, a hall crane through this free Kokillenraum is possible.
  • the first strand guide segment after releasing fasteners together with the mold substantially vertically upwardly form.
  • cooperating support surfaces are provided, for example, on the mold and the first strand guide segment, which produce a supportive contact with the mold during an upward movement of the first strand guide segment and entrains the mold during the upward movement of the first strand guide segment.
  • the first strand guide segment is releasably secured to the first segment support frame and each further strand guide segment supported on the first segment support frame is fixedly connected to the first segment support frame. At least another strand guide segment is firmly connected to the segment support frame.
  • the first segment support frame forms an extension of the outer arch frame of the detachable strand guide segment subsequent strand guide segment.
  • the extension of the outer arch frame of the one strand guide segment extends in the direction of the mold and carries the substantially vertical support surfaces for the further strand guide segments arranged between the mold and the connected strand guide segment.
  • all strand guide segments supported on the first segment support frame are detachably fastened to this segment support frame.
  • at least the last strand guide segment in the strand conveying direction together with the segment frame can be installed or removed as a structural unit in the continuous casting plant. But it can also all mounted on the first segment frame Strand guide segments together with this as a unit in the continuous casting and on this expanded.
  • the first strand guide segment has strand guide rollers rotatably mounted therein, which are designed to be adjustable against the metal strand both in the direction of its width extension and in the direction of its thickness extension .
  • This employment preferably takes place with hydraulic adjusting devices. These act on the one strand side associated strand guide rollers, which are grouped together on a roll holder rotatably supported.
  • the strand guide rollers are assigned spray nozzles for coolant application to the surface of the metal strand, which are aligned in the direction of width extension and in the direction of the thickness extension of the metal strand to different thicknesses and widths with a spray nozzle adjustment.
  • the last strand guide segment supported on the first segment support frame is provided with strand guide rollers which are adjustable against the metal strand at least in the direction of its thickness extension.
  • FIGS. 1 and 2 show in a schematic partial view of a billet continuous casting with a mold 1 and a subsequent strand guide 2, the strand guide segments includes, of which only the immediately adjacent to the mold 1 strand guide segments 3a, 3b, 3c, 3d, 3e, 4 are shown.
  • the same reference numerals are assigned to the same components.
  • the mold 1 is either a tubular mold, mainly for the casting of a metal strand with billet cross-section, or as Plattenkokille, mainly for the casting of a metal strand with Vorblockquerites formed.
  • the mold 1 is equipped with a state of the art, not shown internal cooling and suspended oscillating on a Kokillentragrahmen 5.
  • the metal strand is passed through the strand guide 2 formed by strand guide segments and supported and guided by strand guide rollers 6a, 6b, 6c.
  • the strand guide segments 3a, 3b, 3c, 3d, 3e, 4 are suspended via segment support frames 7, 8 in the plant support structure 9 in each case via a fixed bearing 10 and a floating bearing 11.
  • first embodiment of the invention carries the first of the mold 1 in strand conveying direction R immediately following segment support frame 7 three segments 3a, 3b, 3c, which supported on substantially vertical, or parallel to the strand transport direction aligned support surfaces 12 of the segment support frame 7 and with fasteners 13 on this are releasably secured.
  • first of the mold 1 in the strand conveying direction R immediately following segment support frame 7 carries two strand guide segments 3d, 3e.
  • the first strand guide segment 3d is at substantially vertical, parallel to the strand conveying direction aligned support surfaces 12 of the segment frame 7th supported and secured with fasteners 13 to this releasably.
  • the following strand guide segment 3e comprises an outer arch frame 14 in which the strand guide rollers 6a are supported, and an inner arc frame 15 in which the strand guide rollers 6b are supported.
  • the outer arch frame 14 is in this case formed so that it simultaneously forms the segment support frame 7 for the strand guide segment 3e. He is thus an integral part of the strand guide segment 3e and extends against the strand conveying direction to the mold 1 and also forms the segment support frame for the first segment 3d.
  • the basic structure of the strand guide segments allows adaptation to different strand thicknesses by the inner arc frame 15 can be positioned in the direction of the fixed outer arch frame 14 with hydraulic actuators 17.
  • strand guide segments 3a, 3b, 3c may also be used which have strand guide rollers on all sides of a metal strand having a rectangular or square strand cross-section and which guide both in the direction of Thickness extent and in the direction of the width extension of the metal strand to this cross-sectional format are adjustable.
  • strand guide segment 3e associated with cooling nozzles with spray nozzles 18, which are equipped with a spray nozzle adjustment, which follows an automated format adjustment and thus ensure always centric coolant application to the variable in width side surfaces of the metal strand.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)

Claims (7)

  1. Installation de coulée continue pour la coulée d'une barre métallique ayant une section transversale de billette ou de bloom avec une lingotière (1) oscillante, interchangeable, insérable dans un châssis de support de lingotière (5) en vue de la formation d'une barre métallique et un guidage de barre (2) se raccordant à la lingotière (1) en vue d'un soutien et d'un guidage de la barre métallique, dans laquelle le guidage de barre (2) comprend deux ou plus de deux segments de guidage de barre (3a, 3b, 3c, 3d, 3e, 4) et chaque segment de guidage de barre est soutenu dans la structure porteuse (9) de l'installation de coulée continue par l'intermédiaire d'un châssis de support de segment (7, 8) et un premier châssis de support de segment (7) immédiatement successif dans le guidage de barre de la lingotière soutient au moins deux segments de guidage de barre (3a, 3b, 3c, 3d, 3e, 4), caractérisée en ce que,
    le premier segment de guidage de barre (3a, 3b) immédiatement successif dans la lingotière (1) est fixé amovible au niveau du premier châssis de support de segment (7) sur des surfaces de soutènement (12) orientées parallèlement à la direction de convoyage de barre et est réalisé de manière à pouvoir être extrait de l'installation de coulée continue et à pouvoir être inséré dans celle-ci indépendamment des segments de guidage de barre (3b, 3c ou 3e) successifs,
    au moins le dernier segment de guidage de barre (3c, 3e) appuyé sur le premier châssis de support de segment (7) forme avec le châssis de support de segment (7) une unité de construction fixe ou amovible, dans laquelle ladite unité de construction est réalisée de manière à pouvoir être extraite de l'installation de coulée continue et à pouvoir être insérée dans celle-ci, et
    le premier segment de guidage de barre (3a, 3d) est réalisé démontable verticalement vers le haut à travers l'espace de lingotière (16) incluant la lingotière (1) soit après une ouverture de la lingotière (1) et après le desserrage des appareils de fixation (13), verticalement vers le haut ou après le desserrage des appareils de fixation (13).
  2. Installation de coulée continue selon l'une quelconque des revendications précédentes, caractérisée en ce que le premier segment de guidage de barre (3a, 3d) est fixé amovible au niveau du premier châssis de support de segment (7) et un autre segment de guidage de barre (3c, 3e) appuyé sur le premier châssis de support de segment (7) est relié fixe au premier châssis de support de segment (7).
  3. Installation de coulée continue selon la revendication 2, caractérisée en ce que le premier châssis de support de segment (7) forme un prolongement du châssis en arc externe (14) du segment de guidage de barre (3e) qui suit le segment de guidage de barre (3d) amovible.
  4. Installation de coulée continue selon la revendication 1, caractérisée en ce que tous les segments de guidage de barre (3a, 3d, 3c) appuyés sur le premier châssis de support de segment (7) sont fixés amovibles sur ledit châssis de support de segment.
  5. Installation de coulée continue selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins le premier segment de guidage de barre (3a) présente des rouleaux de guidage de barre (6a, 6b, 6c) qui sont réalisés réglables sur une barre métallique aussi bien dans le sens de sa largeur que dans le sens de son épaisseur.
  6. Installation de coulée continue selon la revendication 5, caractérisée en ce que des buses de pulvérisation (18) destinées à un apport d'agent réfrigérant sur la surface de la barre métallique sont associées aux rouleaux de guidage de barre (6a, 6b, 6c), lesdites buses étant orientées dans le sens de la largeur et dans le sens de l'épaisseur de la barre métallique grâce un appareil d'ajustement de buses de pulvérisation (19) pour des épaisseurs et des largeurs différentes.
  7. Installation de coulée continue selon l'une quelconque des revendications précédentes, caractérisée en ce que le dernier segment de guidage de barre (3c, 3e) appuyé sur le premier châssis de support de segment (7) est équipé de rouleaux de guidage de barre (6a, 6b) qui peuvent être ajustés sur la barre métallique au moins dans le sens de son épaisseur.
EP09749700.2A 2008-05-23 2009-04-23 Installation de coulée continue pour la coulée d'une barre métallique présentant une section transversale de billette ou de blooms Active EP2276594B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT8252008A AT506836B1 (de) 2008-05-23 2008-05-23 Stranggiessanlage zum giessen eines metallstranges mit knüppel- oder vorblockquerschnitt
PCT/EP2009/054858 WO2009141210A1 (fr) 2008-05-23 2009-04-23 Installation de coulée continue pour la coulée d’une barre métallique présentant une section transversale de billette ou de blooms

Publications (2)

Publication Number Publication Date
EP2276594A1 EP2276594A1 (fr) 2011-01-26
EP2276594B1 true EP2276594B1 (fr) 2016-09-28

Family

ID=40791248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09749700.2A Active EP2276594B1 (fr) 2008-05-23 2009-04-23 Installation de coulée continue pour la coulée d'une barre métallique présentant une section transversale de billette ou de blooms

Country Status (5)

Country Link
EP (1) EP2276594B1 (fr)
KR (1) KR20110017887A (fr)
CN (1) CN102083572B (fr)
AT (1) AT506836B1 (fr)
WO (1) WO2009141210A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3934828B1 (fr) * 2019-03-07 2023-06-28 SMS Group GmbH Guide de ligne de coulée et procédé pour guider une ligne de coulée hors d'une lingotière

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010054398A1 (de) * 2010-12-08 2012-06-14 Sms Siemag Ag Stranggießanlage
DE102010062863A1 (de) 2010-12-10 2012-06-21 Sms Siemag Ag Stranggießanlage zum Gießen eines Metallstranges
EP2687303A1 (fr) * 2012-07-20 2014-01-22 SMS Concast AG Agencement de rouleau pour une installation de coulée continue
AT516300B1 (de) * 2014-09-23 2016-09-15 Primetals Technologies Austria GmbH Verfahren zum raschen Umbau einer einsträngigen Brammen-Stranggießanlage in eine mehrsträngige Knüppel-Stranggießanlage und vice versa
DE102017117634A1 (de) * 2017-08-03 2019-02-07 Salzgitter Flachstahl Gmbh Optimierte Stranggießanlage und Verfahren zum optimierten Ausrichten von Bauteilen einer Stranggießanlage
CN112453338A (zh) * 2019-09-09 2021-03-09 中冶京诚工程技术有限公司 一种模块化扇形段和连铸机

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Publication number Priority date Publication date Assignee Title
DE1957690A1 (de) * 1969-11-17 1971-05-27 Demag Ag Vorrichtung zum Ein- oder Ausbau von Stuetzrahmen fuer Metall-,insbesondere Stahlstraenge in Stranggiessanlagen
AT347057B (de) 1976-07-08 1978-12-11 Voest Ag Stranggiessanlage
AT359227B (de) * 1979-03-08 1980-10-27 Voest Alpine Ag Stuetz- und fuehrungsgeruest fuer eine bogen- stranggiessanlage
DE3639611C1 (en) * 1986-11-20 1988-07-14 Voest Alpine Ag Segment-changing device for a continuous casting installation divided into segments
AT771U1 (de) * 1995-04-18 1996-05-28 Voest Alpine Ind Anlagen Stütz- und führungsgerüst für eine stranggiessanlage
AT404808B (de) * 1996-05-20 1999-03-25 Voest Alpine Ind Anlagen Stranggiessanlage
LU90751B1 (en) 2001-04-03 2002-10-04 Profilarbed Sa Method and device for cooling and guiding a beam blank in a curved secondary cooling zone of a beam blank caster
DE10210988A1 (de) * 2002-03-13 2003-09-25 Sms Demag Ag Einrichtung zum Wechseln eines Segmentes eines aus mehreren Segmenten gebildeten Bogens einer Strangführung für eine Stranggießmaschine, auf der flüssige Metalle, insbesondere flüssiger Stahl vergossen wird

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3934828B1 (fr) * 2019-03-07 2023-06-28 SMS Group GmbH Guide de ligne de coulée et procédé pour guider une ligne de coulée hors d'une lingotière

Also Published As

Publication number Publication date
WO2009141210A1 (fr) 2009-11-26
KR20110017887A (ko) 2011-02-22
EP2276594A1 (fr) 2011-01-26
AT506836B1 (de) 2011-08-15
AT506836A1 (de) 2009-12-15
CN102083572B (zh) 2014-05-14
CN102083572A (zh) 2011-06-01

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