EP2127780B1 - Système d'étanchéité d'une tête de fausse barre dans une coquille d'une installation de coulée continue pour couler des ébauches de profilés de grand format - Google Patents

Système d'étanchéité d'une tête de fausse barre dans une coquille d'une installation de coulée continue pour couler des ébauches de profilés de grand format Download PDF

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Publication number
EP2127780B1
EP2127780B1 EP08009465A EP08009465A EP2127780B1 EP 2127780 B1 EP2127780 B1 EP 2127780B1 EP 08009465 A EP08009465 A EP 08009465A EP 08009465 A EP08009465 A EP 08009465A EP 2127780 B1 EP2127780 B1 EP 2127780B1
Authority
EP
European Patent Office
Prior art keywords
dummy bar
bar head
mould
sealing
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP08009465A
Other languages
German (de)
English (en)
Other versions
EP2127780A1 (fr
Inventor
Thomas Meier
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.)
SMS Concast AG
Original Assignee
Concast AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Concast AG filed Critical Concast AG
Priority to ES08009465T priority Critical patent/ES2400704T3/es
Priority to EP08009465A priority patent/EP2127780B1/fr
Priority to TW098116321A priority patent/TW200948511A/zh
Priority to ZA200903355A priority patent/ZA200903355B/en
Priority to US12/469,804 priority patent/US8151864B2/en
Priority to MX2009005402A priority patent/MX2009005402A/es
Priority to CA002666451A priority patent/CA2666451A1/fr
Priority to UAA200905101A priority patent/UA102814C2/ru
Priority to CN200910203886.9A priority patent/CN101585076B/zh
Priority to KR1020090045064A priority patent/KR20090122152A/ko
Priority to RU2009119554/02A priority patent/RU2496602C2/ru
Priority to JP2009125110A priority patent/JP5161151B2/ja
Priority to BRPI0901609-0A priority patent/BRPI0901609A2/pt
Publication of EP2127780A1 publication Critical patent/EP2127780A1/fr
Application granted granted Critical
Publication of EP2127780B1 publication Critical patent/EP2127780B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B22D11/08—Accessories for starting the casting procedure
    • B22D11/081—Starter bars
    • B22D11/083—Starter bar head; Means for connecting or detaching starter bars and ingots
    • 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
    • B22D11/08—Accessories for starting the casting procedure
    • 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
    • B22D11/08—Accessories for starting the casting procedure
    • B22D11/088—Means for sealing the starter bar head in the moulds
    • 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
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/20—Controlling or regulating processes or operations for removing cast stock

Definitions

  • the invention relates to a cold extrusion head sealing system in a mold of a continuous casting for casting large-size Vorprofile, with a gap between the cold rod head and the mold sealing flat gasket, and a flat gasket at the cold strand head festhaltenden packaging plate, which has approximately the cross-sectional shape of the mold profile and the flat gasket vollumfnaturelich covered.
  • Out DE 10 2004 04633 is a starting device for a continuous casting with a sealing element between the top member and liquid steel known.
  • the disadvantage of this system is that the holder for the seal is not in the plane of the seal, displaced.
  • DE 32 30 183 describes a continuous casting plant, in particular a horizontal continuous casting plant, which has a deformable seal between the approach head and the liquid steel.
  • the disadvantage of this system is that the holder for the seal is displaceable only in the longitudinal direction.
  • EP 1 249 287 discloses a method and apparatus for starting a continuous casting plant. In this system, the attachment of the seal can be moved only in the longitudinal axis.
  • EP 0 234 299 is a cold rod head sealing system which has a refractory flat gasket. This is fastened between a connecting element and the lower part. Disadvantage is the non-displaceable connection element.
  • Continuous casting plants of this type are used, for example, to produce large so-called beam-blank formats with a double-T-profile over 800 mm in length, over 400 mm in flange width and about 120 mm in web thickness.
  • the cold strand head is known sometimes serves to close the mold before and during the Angiessvorganges down tightly.
  • the cold extrusion head with the associated packaging is mounted before casting start above the mold and then drawn into the mold until it has reached the Angiesszin. Since the packaging is rigid in the known systems, there is formed by the taper of the mold a gap on the inner shoulder of the profile. For large formats, it has an impermissible gap width. Especially in the Angiesswolf but the cold strand packaging must properly seal, to prevent melt from flowing out of the interior of the mold during casting. The previously known systems are therefore not suitable for casting of particularly large-sized profiles.
  • the invention has for its object to avoid the disadvantages mentioned above and to provide a cold strand packaging that ensures the full tightness of the cold strand packaging when casting even in very large formats.
  • the invention further provides that the packaging plate is formed in two parts, wherein both plate halves are displaceable towards Kokillenmitte and separated by a distance to each other, the width of which depends on the conicity of the mold.
  • the plate halves are drawn in the millimeter range within the distance. With appropriate dimensioning of the distance can be fully compensate in this way the oblique course of the mold.
  • the distance is formed centrally. This makes it possible to form two plate halves identical.
  • the cold strand head according to the invention has a one-piece packaging plate which covers both plate halves and which is clamped to the cold strand head.
  • the plate halves are thus kept safe in terms of area by the one-piece packaging plate, without affecting their displaceability.
  • the one-piece packaging plate is conveniently clamped to the cold rod head with tie rods attached thereto.
  • the tie rods also serve in a known manner to absorb the tensile forces acting between the cold strand and the hot strand.
  • the invention provides that the plate halves are provided with holes formed as elongated holes for the tie rods.
  • the one-piece packaging plate according to the invention is provided with a longitudinally extending reinforcing rib, whereby its rigidity is improved, in particular in the web area.
  • the in the FIGS. 1 to 8 cold strand head 1 shown is equipped with an inventive cold strands packaging 2. He is shown in the starting position before the casting process, in which he concludes the interior of a mold 3 for casting a large-sized beam blank double T-profile of about 800 mm wide, 400 mm flange width and 120 mm web thickness bottom. Above the cold strand head 1 there is at least one casting tube 4 projecting into the mold 3, through which molten steel is poured into the interior of the mold 3 during casting. Below the cold strand head 1, this is coupled to an extraction device 5, by means of which the strand is pulled out of the mold 3.
  • the cold strand packaging 2 consists of a flat gasket 6 and two packaging plates 7 and 8, wherein the packaging plate 7 is divided into two symmetrically to each other in a plane plate halves 7a, 7b, between which a centrally arranged, continuous distance 9 of about 10 to 20 mm is present.
  • the packaging plate 8 is formed in one piece and rectangular and covers the plate halves 7a, 7b in the web area.
  • the packaging plates 7 and 8 are made of sheet steel with about 8-15 mm sheet thickness.
  • the flat gasket 6 has the same outer contour as the inner contour of the mold, but with a circumferentially small excess of about 15 to 25 mm. It can be made of felt of about 6-12 mm thickness, but also of any other material with comparable properties, in particular mechanical strength, elasticity and heat resistance.
  • the cold strand package 2 is mounted on the cold strand head 1 outside of the mold 3.
  • the flat gasket 6 is clamped overhanging between the cold strand head 1 and the plate halves 7a, 7b.
  • the protruding flat gasket bends around the outer edge of the plate halves 7a, 7b against the inner walls of the mold and seals the 4-8 mm wide gap between the packaging plates and mold around, so that no molten steel flows out during the gushing process.
  • the one-piece packaging plate 8 is in turn pressed against the two plate halves 7a, 7b and has together with them the task to absorb the forces acting on the gasket 6 during insertion of the entire profile area including the web area.
  • Tie rod 10, 11 in the form of bolts 12 which is used with the lower part 13 in the cold rod head 1 and locked with a cross bolt, and an upper threaded part 14, on which a nut 15 is screwed, are used to fasten the cold strand package 2 to the cold strand head 1.
  • the plate halves 7a, 7b have slots 16 and 17 as through holes for the tie rods 10 and 11.
  • the nuts 15 are screwed against Andschreibbüchsen 18, which in turn are pressed against the one-piece packaging plate 8.
  • the tie rods 10 and 11 also take over the tensile forces that are effective between hot strand and cold strand when pulling out the strand.
  • the one-piece packaging plate 8 is provided with a longitudinally extending reinforcing rib 23, which gives the packaging plate 8 a higher rigidity in the central region.
  • the reinforcing rib 23 extends between the two tie rods 10 and 11.
  • Fig. 7 shows the mold 3 in section along the line VII - VII according to Fig. 6 and schematically the cold strand package 2 in the position 2.1 before retraction, in the position 2.2 immediately after entering the mold 3 and additionally in the position 2.3 when reaching the lower end of the mold 3, as this also increases in Fig. 8 is illustrated.
  • the flat gasket 6 protrudes laterally all the way to the packaging plate 7 located above it. As a result, it is from the mold 3 evenly angled as a tab 6 'and is thus located between the adjusting packaging plate 7 and the mold and forms a secure seal all around.
  • the adjustable packaging plate 7 In the downward displacement of the cold strand head 1 in the mold 3, the adjustable packaging plate 7 is always moved by the voltage applied to the mold flat gasket to Kokillenmitte. It is thus at least causes the sealing gap between it and the packaging plate 7 remains uniform.
  • the packaging plate 7 In the position 2.2 immediately after the retraction of the cold strand package 2, the packaging plate 7 is pushed outward in relation to the shorter packaging plate 8, however, in the position 2.3, this packaging plate 7 is displaced comparatively more inwardly.
  • the retractability of the packaging plate 7 it is also possible within the scope of the invention to provide other elements which are comparable in terms of effect, such as yielding plate regions or the like. It is also possible within the scope of the invention to form the distance 9 differently than uniformly, depending on the profile geometry, or to place it otherwise than centrally in the packaging plate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Gasket Seals (AREA)
  • Packages (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Claims (7)

  1. Système d'étanchement pour tête de fausse barre dans une coquille d'une installation de coulée continue pour couler des ébauches de profilé, avec un joint plat (6) étanchant l'interstice entre la tête de fausse barre et la coquille et une plaque enveloppante (7) maintenant le joint plat sur la tête de fausse barre, cette première étant bloquée par des haubans (10, 11) et présentant la forme de coupe transversale du profilé de coquille, et le joint plat (6) saillant latéralement tout autour au-dessus de celle-ci, caractérisé en ce que la plaque enveloppante (7) présente deux moitiés (7a, 7b) de plaque juxtaposées dans un plan, séparées l'une de l'autre par un intervalle (9) et orientables, en fonction de la conicité légèrement oblique du haut vers le bas de la coquille (3), en direction du centre de la coquille par rapport au plan constitué des plaques enveloppantes.
  2. Système d'étanchement pour tête de fausse barre selon la revendication 1, caractérisé en ce que la plaque enveloppante (7) est composée de deux moitiés (7a, 7b) de plaque juxtaposées symétriquement dans un plan, séparées l'une de l'autre par un intervalle (9) dont la largeur minimum dépend de la conicité de la coquille (3),
  3. Système d'étanchement pour tête de fausse barre selon la revendication 1, caractérisé en ce que le joint plat (6) saille latéralement tout autour par rapport à la plaque enveloppante (7) située au-dessus de celui-ci, et en ce qu'il est ainsi coudé régulièrement par la coquille (3), se trouve entre la plaque enveloppante (7) et la coquille (3), et forme un étanchement sûr tout autour.
  4. Système d'étanchement pour tête de fausse barre selon l'une des revendications 2 et 3, caractérisé en ce qu'une plaque enveloppante (8) d'une seule pièce recouvrant la plaque enveloppante (7) en deux parties est prévue, cette première étant montée sur la tête (1) de fausse barre.
  5. Système d'étanchement pour tête de fausse barre selon la revendication 4, caractérisé en ce que la plaque enveloppante (8) d'une seule pièce est montée contre la tête (1) de fausse barre avec des haubans (10, 11) fixés sur cette dernière.
  6. Système d'étanchement pour tête de fausse barre selon la revendication 5, caractérisé en ce que les moitiés (7a, 7b) de la plaque enveloppante (7) en deux parties sont pourvues de trous débouchants (16, 17) sous la forme de trous longitudinaux pour les haubans (10, 11).
  7. Système d'étanchement pour tête de fausse barre selon l'une des revendications 4 à 6, caractérisé en ce que la plaque enveloppante (8) d'une seule pièce est prévue avec une nervure de renforcement (23) dans le sens longitudinal.
EP08009465A 2008-05-23 2008-05-23 Système d'étanchéité d'une tête de fausse barre dans une coquille d'une installation de coulée continue pour couler des ébauches de profilés de grand format Not-in-force EP2127780B1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
ES08009465T ES2400704T3 (es) 2008-05-23 2008-05-23 Sistema de obturación de cabeza de barra fría en una coquilla de una instalación de colada continua para colar perfiles preliminares de gran formato
EP08009465A EP2127780B1 (fr) 2008-05-23 2008-05-23 Système d'étanchéité d'une tête de fausse barre dans une coquille d'une installation de coulée continue pour couler des ébauches de profilés de grand format
ZA200903355A ZA200903355B (en) 2008-05-23 2009-05-15 System for sealing a dummy bar head in a mould of a continuous casting plant for casting large-format preliminary sections
TW098116321A TW200948511A (en) 2008-05-23 2009-05-15 System for sealing a dummy bar head in a mould of a continuous casting plant for casting large-format preliminary sections
MX2009005402A MX2009005402A (es) 2008-05-23 2009-05-21 Sistema para sellar una cabeza de la barra de iniciacion en un molde de una planta de colada continua para colar grandes dimensiones de secciones preliminares.
CA002666451A CA2666451A1 (fr) 2008-05-23 2009-05-21 Systeme d'etancheite de fausse tete de fleuret de moule pour dispositif de coulee continue de grandes sections preliminaires
US12/469,804 US8151864B2 (en) 2008-05-23 2009-05-21 System for sealing a dummy bar head in a mould of a continuous casting plant for casting large-format preliminary sections
CN200910203886.9A CN101585076B (zh) 2008-05-23 2009-05-22 在铸造大型预型材的连铸设备模具中密封引锭杆头的系统
KR1020090045064A KR20090122152A (ko) 2008-05-23 2009-05-22 대형 포맷의 예비 섹션을 주조하기 위해 연속 주조 설비의 주형에서 더미 바 헤드를 실링하기 위한 시스템
RU2009119554/02A RU2496602C2 (ru) 2008-05-23 2009-05-22 Система для уплотнения головки затравки в кристаллизаторе установки непрерывной разливки для литья крупноформатных заготовок
UAA200905101A UA102814C2 (ru) 2008-05-23 2009-05-22 Система для уплотнения верхней части затравки в форме для непрерывной разливки при формовании крупногабаритных предварительных заготовок
JP2009125110A JP5161151B2 (ja) 2008-05-23 2009-05-25 大形の予備鋳片を鋳造する連続鋳造設備の鋳型の中でダミー・バー・ヘッドを封止するシステム
BRPI0901609-0A BRPI0901609A2 (pt) 2008-05-23 2009-05-25 sistema para vedação de um cabeçote de barra de envio em um molde de uma usina de fundição contìnua para fundir seções preliminares de grande formato

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08009465A EP2127780B1 (fr) 2008-05-23 2008-05-23 Système d'étanchéité d'une tête de fausse barre dans une coquille d'une installation de coulée continue pour couler des ébauches de profilés de grand format

Publications (2)

Publication Number Publication Date
EP2127780A1 EP2127780A1 (fr) 2009-12-02
EP2127780B1 true EP2127780B1 (fr) 2012-12-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08009465A Not-in-force EP2127780B1 (fr) 2008-05-23 2008-05-23 Système d'étanchéité d'une tête de fausse barre dans une coquille d'une installation de coulée continue pour couler des ébauches de profilés de grand format

Country Status (13)

Country Link
US (1) US8151864B2 (fr)
EP (1) EP2127780B1 (fr)
JP (1) JP5161151B2 (fr)
KR (1) KR20090122152A (fr)
CN (1) CN101585076B (fr)
BR (1) BRPI0901609A2 (fr)
CA (1) CA2666451A1 (fr)
ES (1) ES2400704T3 (fr)
MX (1) MX2009005402A (fr)
RU (1) RU2496602C2 (fr)
TW (1) TW200948511A (fr)
UA (1) UA102814C2 (fr)
ZA (1) ZA200903355B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021213770A1 (de) 2021-12-03 2023-06-07 Sms Group Gmbh Abdichtsystem für eine Stranggießanlage
DE102023210885A1 (de) 2022-11-04 2024-05-08 Sms Group Gmbh Abdichtsystem zur Verwendung mit einem Kaltstrangkopf einer Stranggießanlage und Verfahren zum Herstellen eines metallischen Produkts mittels Stranggießen unter Verwendung des Abdichtsystems
WO2024094846A1 (fr) 2022-11-04 2024-05-10 Sms Group Gmbh Système d'étanchéité destiné à être utilisé avec une tête de barre factice d'un système de coulée continue et procédé de production d'un produit métallique au moyen d'une coulée continue à l'aide du système d'étanchéité

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WO2012000830A1 (fr) 2010-06-30 2012-01-05 Siemens Vai Metals Technologies Gmbh Elément de début de coulée, tête de mannequin et mannequin pour une machine de coulée continue destinée à couler des ébauches de profilés
KR101403588B1 (ko) * 2012-06-26 2014-06-03 주식회사 포스코 더미바 가이드장치
CN103252468A (zh) * 2013-06-03 2013-08-21 中冶赛迪工程技术股份有限公司 H型坯连铸机在线脱引锭装置及方法
CN105195696A (zh) * 2015-11-06 2015-12-30 内蒙古包钢钢联股份有限公司 一种能够防止异形坯开浇渗漏的封引锭方法
CN110508769B (zh) * 2019-09-25 2021-08-20 珠海大华新材料有限公司 一种铜合金真空水冷连续铸造设备
EP3797897A1 (fr) * 2019-09-26 2021-03-31 Sarralle Equipos Siderurgicos, S.L. Dispositif d'étanchéité de mannequin d'une machine de coulée continue et procédé d'assemblage correspondant

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021213770A1 (de) 2021-12-03 2023-06-07 Sms Group Gmbh Abdichtsystem für eine Stranggießanlage
WO2023099141A1 (fr) 2021-12-03 2023-06-08 Sms Group Gmbh Système d'étanchéité pour installation de coulée continue
DE102023210885A1 (de) 2022-11-04 2024-05-08 Sms Group Gmbh Abdichtsystem zur Verwendung mit einem Kaltstrangkopf einer Stranggießanlage und Verfahren zum Herstellen eines metallischen Produkts mittels Stranggießen unter Verwendung des Abdichtsystems
WO2024094846A1 (fr) 2022-11-04 2024-05-10 Sms Group Gmbh Système d'étanchéité destiné à être utilisé avec une tête de barre factice d'un système de coulée continue et procédé de production d'un produit métallique au moyen d'une coulée continue à l'aide du système d'étanchéité

Also Published As

Publication number Publication date
RU2009119554A (ru) 2010-11-27
ZA200903355B (en) 2010-03-31
RU2496602C2 (ru) 2013-10-27
MX2009005402A (es) 2009-11-26
KR20090122152A (ko) 2009-11-26
US8151864B2 (en) 2012-04-10
US20100132909A1 (en) 2010-06-03
JP2009279655A (ja) 2009-12-03
EP2127780A1 (fr) 2009-12-02
JP5161151B2 (ja) 2013-03-13
CN101585076A (zh) 2009-11-25
CA2666451A1 (fr) 2009-11-23
TW200948511A (en) 2009-12-01
CN101585076B (zh) 2014-04-23
UA102814C2 (ru) 2013-08-27
ES2400704T3 (es) 2013-04-11
BRPI0901609A2 (pt) 2011-01-25

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