EP3626364B1 - Section de conduite et dispositif de lingotière dotée de la section de conduite - Google Patents

Section de conduite et dispositif de lingotière dotée de la section de conduite Download PDF

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Publication number
EP3626364B1
EP3626364B1 EP19197890.7A EP19197890A EP3626364B1 EP 3626364 B1 EP3626364 B1 EP 3626364B1 EP 19197890 A EP19197890 A EP 19197890A EP 3626364 B1 EP3626364 B1 EP 3626364B1
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Prior art keywords
consumer
inflow
mould
conduit
conduit section
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EP19197890.7A
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German (de)
English (en)
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EP3626364A1 (fr
Inventor
Jörn HOFFMEISTER
Michael Dreis
Ulrich Snadny
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SMS Group GmbH
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SMS Group GmbH
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Priority claimed from DE102018220203.6A external-priority patent/DE102018220203A1/de
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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
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/05—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds into moulds having adjustable walls
    • 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
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/055—Cooling 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
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/057—Manufacturing or calibrating the moulds

Definitions

  • the invention relates to a mold device with a line section for the passage of a fluid, in particular water.
  • the invention relates to a method for converting a mold device from a previous to a different casting width.
  • Line sections for the passage of a fluid also with several degrees of freedom are in the prior art, for. B. from the DE 10 2006 057 242 B4 and the US 6164570 basically known. These patents disclose in particular a ball joint for a sanitary outlet fitting.
  • EP2321075 A1 describes a continuous casting mold for the continuous casting of a metal strand, in particular a steel strand, with broad side walls and narrow side walls lying opposite one another, at least the broad side walls being equipped with cooling channels.
  • the invention relates to the field of continuous casting technology and in particular to a continuous casting mold for casting liquid metal to form a cast strand, as is shown, for example, in FIG Figure 3 is shown.
  • Figure 3 a mold device 400 known from the prior art with two opposite mold broadside plates 410 and two opposite broadside water tanks 420, each for supporting the mold broadside plates 410.
  • At least one of the broadside water tanks is connected via a line section 100 to a water supply device (not shown).
  • the other broadside water tank is either also connected to the water supply device via an analog line section or it is fluidly connected to the one broadside water tank.
  • the mold device shown can be set to different casting formats, ie to different cross-sections of the casting cavity 440 formed by the mold broad side plates 410 and the mold narrow side plates.
  • the latitudinal water tanks are traditionally first in the casting thickness direction D spread apart.
  • the narrow side support devices 432 preferably with the mold narrow side plates 410 mounted thereon, are exchanged for other narrow side support devices with a mold narrow side plate defining a different casting thickness d2.
  • the broad-side water tanks 420 are then moved towards the narrow-side support devices 432 with the now changed casting thickness d2; In this way, a new casting cavity 440 is created with a changed casting thickness.
  • the aforementioned opening and closing process of the broadside water tanks in the casting thickness direction D when converting the mold device 400 to a different casting thickness is accompanied by a lateral offset (lateral offset) of the inlet-side and the consumer-side end of the line section for supplying the broadside water tanks with water from the water supply device.
  • the invention is based on the object of developing a known mold device with a line section and a known method for converting the mold device from a previous to a different casting width in such a way that the line section of the mold device is designed to compensate for larger lateral offsets and thereby the conversion of the mold device to a different casting width to be significantly simplified and made more cost-effective.
  • the line section for the passage of a fluid has a line element with an inlet-side end and a consumer-side end and an inlet device for the fluid.
  • the line section has an inlet-side ball joint arranged at the inlet-side end of the line element with a through-channel for the articulated and fluid-conducting connection of the inlet-side end of the line element with the inlet device for the fluid, with a consumer-side ball joint arranged at the consumer-side end of the line element with a through-channel for articulating and fluid-conducting connection of the consumer-side end of the line element is formed with a consumer.
  • the inlet device corresponds to a pipe section which leads to the water supply device and the consumer corresponds to at least one of the broadside water tanks.
  • corresponding ball joints each with a passage channel, are thus arranged at both ends of the line element of the mold device.
  • These two ball joints basically allow the fluid to be deflected within the line section in almost any direction, even if the consumer is laterally offset relative to an inlet device. This applies at least when the inlet device and the distance between the consumers can be varied in the event of a lateral offset.
  • the line section of the mold device is characterized by an inlet-side sliding pipe which fluidly connects the inlet-side end of the line element to the inlet device and in which the inlet-side ball bearing is axially displaceable.
  • a sliding tube on the consumer side can also be provided which connects the consumer-side end of the line element to the consumer in a fluid-conducting manner and in which the consumer-side ball bearing is axially displaceable.
  • a protective device for example in the form of a cuff or in the form of a rubber bar, can be slipped over the ball joints to protect them from external influences, in particular dust or dirt, in order to maintain their functionality.
  • the above-mentioned object is also achieved by the method according to claim 13.
  • This method is characterized in that the mold device is designed with a line section according to one of claims 1 to 12 and that the line section, which connects at least one of the broad-side water tanks to the water supply device, during all process steps according to claim 13, in a fluid-conducting manner with the at least one broad-side water tank and preferably also remains connected to the water supply system.
  • the claimed configuration of the mold device with the line section according to the invention can advantageously significantly shorten the assembly and set-up times when converting the mold device to a different casting format. In particular, line connections no longer have to be rebuilt or relocated with the aid of compensators; the assembly work previously associated with this can be saved.
  • a ball joint 140 also referred to as a consumer-side ball joint, is arranged at the consumer-side end 114 of the line element 110. It is also equipped with a through channel for the articulated and fluid-conducting connection of the consumer-side end of the fluid line element 110 to a consumer 200 (in Figure 1 Not shown).
  • Both the inlet-side and the consumer-side ball joint 120, 140 each have an annular dome 122 with a spherical outer contour.
  • the spherical cap is rotatably embedded in a spherical cavity which is spanned by two annular bearing half-shells 126, 126 'that can be braced against one another.
  • the outside of the spherical cap 122 is sealed with the aid of (further) sealing elements 128, preferably with respect to each of the two bearing half-shells 126, 126 '.
  • the domes 122 are pushed onto the inlet-side end 112 and onto the consumer-side end 114 of the line element 110 and are preferably firmly connected to the line element.
  • the calottes therefore perform a rotary or pivoting movement of the line element relative to the cavities in which they are mounted.
  • the bearing half-shells 126, 126 'spanning the cavities are on the other hand non-rotatable - but not necessarily fixed in a translatory manner - on the bend or on the consumer or a pipe or on a displacement element which is in a Sliding tube is slidably mounted, attached.
  • the bearing half-shells can also be designed as the sliding element themselves.
  • the domes 122 could also be arranged on the elbow or on the displacement element within the displacement tube; however, the associated bearing half-shells would then have to be connected to the line element.
  • the inlet-side bearing shell 126 is non-rotatably screwed to the inlet device 130, here designed with the 90 ° elbow only as an example.
  • a first half of the bearing half-shell 126 of the entire bearing shell is screwed to the manifold, while the associated second bearing half-shell 126 'is or is displaced from the line element 110 outwards against the first bearing half-shell 126 and is braced or screwed to it.
  • a first bearing half-shell 126 for the spherical cap 122 is designed and arranged on the consumer side of the line element 110 as a displacement element for displacement within the displacement tube.
  • a second bearing half-shell 126 ′ of the entire bearing shell is pushed from the side of the line element against the first bearing half-shell 126 and braced or screwed to it in order to span a cavity for the rotatable, articulated accommodation of the consumer-side dome 122.
  • the said Ball joints are preferably each protected against contamination by a protective device 170.
  • the protective device 170 can be, for example, a cuff or a rubber bar, which is slipped over the ball joints and is fastened on both sides of these joints, for example with clamps.
  • the line element 110 is typically a piece of pipe.
  • the line section 100 according to the invention is used in particular to transfer a fluid, for example water, from a water supply device (not shown) to a consumer 200.
  • the Figures 2a and 2b show a particular application in which the line section 100 according to the invention is used for supplying water to a mold device 400 in a continuous casting plant for casting liquid metal into a cast strand.
  • the one inlet device 130 which is arranged on the inlet side of the line section 100, can be designed in the form of a pipe section which, for example, leads to a water supply device.
  • the consumer 200 connected to the consumer-side end 114 of the line section 100 is then at least one broad-side water tank 420 for cooling the mold.
  • the configuration of the line section according to the invention makes it possible to convert the mold device to a different casting width while performing the steps a) to d) mentioned the water tanks 420 can advantageously remain connected to the water supply device in a fluid-conducting manner. This saves the operator of the mold device both a lot of time and a lot of money in contrast to traditional retrofitting of the mold device, because many otherwise necessary work steps and pipe components can be saved with the design of the line section according to the invention.
  • the displacement tube 150 enables compensation for the lateral displacement increasing direct distance between the at least one broadside water tank 420 and the supply device 130 by allowing an axial displacement of the consumer-side end of the line element by a distance x in the displacement pipe 150; please refer Figure 1b .
  • the broadside water tanks 420 initially opened in accordance with method step a) are again moved or pushed together in the opposite casting thickness direction D to the now changed casting width. Because the casting thickness d2 is now different, ie it can be greater or smaller than the previous casting thickness d1, the broadside water tanks 420 are in any case no longer brought together to the original casting thickness d1 in step d). Rather, the line element 110 is now pivoted back in the direction of the starting direction by an angle deviating from the angle ⁇ with the aid of the ball joints 120, 140 during method step d) and pushed back again in the displacement tube by a path deviating from the path x.
  • the deviating angle is smaller than the angle ⁇ and the deviating path is smaller than the path x according to method step a).
  • the deviating angle is greater than the angle ⁇ and the deviating path x in the sliding tube 150 is greater than the path x.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Joints Allowing Movement (AREA)

Claims (15)

  1. Mécanisme faisant office de lingotière (400) dans une installation de coulée continue qui est destinée à la coulée d'un métal liquide afin d'obtenir une barre de coulée, qui présente :
    - deux plaques opposées (410) qui forment les grands côtés de la lingotière ;
    - deux boîtes à eau opposées (420) sur les grands côtés, respectivement destinées au support d'une des plaques (410) qui forment les grands côtés de la lingotière ; dans lequel au moins une des boîtes à eau sur les grands côtés est raccordée par l'intermédiaire d'un tronçon faisant office de canalisation (100) à un mécanisme d'alimentation en eau ;
    - deux plaques (430) qui forment les petits côtés de la lingotière, disposées à l'opposé l'une de l'autre et entre les grands côtés (410) de la lingotière, qui sont destinées au support des plaques (430) qui forment les petits côtés de la lingotière ;
    caractérisé en ce que
    - le tronçon faisant office de canalisation (100), destiné au passage d'un fluide, présente: un élément (110) faisant office de canalisation, qui comprend une extrémité du côté de l'alimentation (112) et une extrémité du côté du consommateur (114); un mécanisme (130) faisant office d'alimentation pour le fluide; une articulation à rotule (120) du côté de l'alimentation, disposée à l'extrémité (112) de l'élément faisant office de canalisation (110), du côté de l'alimentation, l'articulation comprenant un canal de passage pour la liaison articulée et de guidage de fluide de l'extrémité de l'élément faisant office de canalisation, du côté de l'alimentation, au mécanisme (130) faisant office d'alimentation pour le fluide ; dans lequel on réalise une articulation à rotule (140) du côté du consommateur, disposée à l'extrémité (114) de l'élément (110) faisant office de canalisation, du côté du consommateur, l'articulation comprenant un canal de passage pour la liaison articulée et de guidage de fluide de l'extrémité de l'élément faisant office de canalisation, du côté du consommateur, à un consommateur (200) ; dans lequel le mécanisme (130) faisant office d'alimentation représente une pièce tubulaire qui mène au mécanisme d'alimentation en eau et le consommateur (200) représente au moins une des boîtes à eau (420) sur les grands côtés.
  2. Mécanisme faisant office de lingotière (400) qui comprend un tronçon faisant office de canalisation (100) selon la revendication 1, caractérisé par :
    - un tube de déplacement du côté de l'alimentation qui relie, d'une manière apte à canaliser un fluide, l'extrémité (112) de l'élément faisant office de canalisation (110), du côté de l'alimentation, au mécanisme (130) faisant office d'alimentation, tube dans lequel est monté le palier à billes (120) du côté de l'alimentation de manière à pouvoir se déplacer dans la direction axiale ; et/ou un tube de déplacement (160) du côté du consommateur, dans lequel est monté le palier à billes (140) du côté du consommateur de manière à pouvoir se déplacer dans la direction axiale.
  3. Mécanisme faisant office de lingotière (400) qui comprend un tronçon faisant office de canalisation (100) selon l'une quelconque des revendications précédentes, caractérisé par :
    - au moins un élément d'étanchéisation de forme annulaire (125) qui est destiné à rendre étanche le palier à billes (120) du côté de l'alimentation par rapport au tube de déplacement (150) du côté de l'alimentation ; et/ou
    - au moins un élément d'étanchéisation de forme annulaire qui est destiné à rendre étanche le palier à billes du côté du consommateur par rapport au tube de déplacement du côté du consommateur.
  4. Mécanisme faisant office de lingotière (400) qui comprend un tronçon faisant office de canalisation (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que :
    - le palier à billes (120) du côté de l'alimentation et/ou le palier à billes (140) du côté du consommateur présentent respectivement :
    i. une calotte de forme annulaire (122) qui comprend un contour externe possédant une forme sphérique ; et
    ii. des demi-coussinets de paliers de forme annulaire (126, 126') aptes à être serrés l'un contre l'autre, qui délimitent ensemble un espace creux pour la réception articulée des calottes (122).
  5. Mécanisme faisant office de lingotière (400) qui comprend un tronçon faisant office de canalisation (100) selon la revendication 4, caractérisé en ce que l'on prévoit au moins un élément d'étanchéisation supplémentaire (128) destiné à rendre les calottes (122) étanches par rapport à de préférence chacun des deux demi-coussinets de paliers (126, 126').
  6. Mécanisme faisant office de lingotière (400) qui comprend un tronçon faisant office de canalisation (100) selon la revendication 4 ou 5, caractérisé en ce que
    - la calotte (122) de forme annulaire du palier à billes (120) du côté de l'alimentation vient s'appliquer contre l'extrémité (112) de l'élément (110) faisant office de canalisation, du côté de l'alimentation, ou contre le mécanisme (130) faisant office d'alimentation ; et
    - un des demi-coussinets de paliers (126) du palier à billes (120) du côté de l'alimentation est raccordé, de préférence de manière amovible, à l'extrémité (112) de l'élément (110) faisant office d'alimentation, du côté de l'alimentation ou au mécanisme d'alimentation (130) ; et
    - l'autre demi-coussinet de paliers (126') parmi les demi-coussinets de paliers du palier à billes (120) du côté de l'alimentation est serré contre le demi-coussinet de palier raccordé (126), tandis que les calottes (122) sont incorporées dans l'espace creux.
  7. Mécanisme faisant office de lingotière (400) qui comprend un tronçon faisant office de canalisation (100) selon l'une quelconque des revendications 4 à 6, caractérisé en ce que :
    - la calotte (122) de forme annulaire du palier à billes (140) du côté du consommateur vient s'appliquer contre l'extrémité (114) de l'élément (100) faisant office de canalisation, du côté du consommateur ou contre le consommateur (200) ; et
    - un des deux demi-coussinets de paliers du palier à billes (140) du côté du consommateur est raccordé, de préférence de manière amovible, à l'extrémité (114) de l'élément (110) faisant office d'alimentation, du côté du consommateur ou au consommateur (200) ; et
    - l'autre demi-coussinet de palier parmi les deux demi-coussinets de paliers du palier à billes (140) du côté du consommateur est serré contre le demi-coussinet de palier raccordé, tandis que les calottes (122) sont incorporées dans l'espace creux.
  8. Mécanisme faisant office de lingotière (400) qui comprend un tronçon faisant office de canalisation (100) selon l'une quelconque des revendications 4 à 7, caractérisé en ce qu'au moins un des demi-coussinets de paliers (126, 126') est sous la forme d'au moins deux segments de forme annulaire.
  9. Mécanisme faisant office de lingotière (400) qui comprend un tronçon faisant office de canalisation (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on prévoit un dispositif de protection (170) par exemple sous la forme d'une manchette ou sous la forme d'un soufflet en caoutchouc que l'on utilise pour l'enfiler par-dessus au moins un des paliers à billes (120, 140).
  10. Mécanisme faisant office de lingotière (400) qui comprend un tronçon faisant office de canalisation (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que :
    - en ce qui concerne le fluide, il s'agit d'eau ; et
    - en ce qui concerne le mécanisme faisant office d'alimentation (130), il s'agit d'une pièce tubulaire, par exemple du tube de déplacement qui est situé du côté de l'alimentation, pièce qui est raccordée à son extrémité qui se détourne du tronçon faisant office de canalisation (110) de manière directe ou de manière indirecte à un mécanisme d'alimentation en eau ; et
    - en ce qui concerne le consommateur (200) il s'agit d'une boîte à eau d'un mécanisme (400) faisant office de lingotière, d'une installation de coulée continue.
  11. Mécanisme faisant office de lingotière (400) qui comprend un tronçon faisant office de canalisation (100) selon la revendication 10, caractérisé en ce que la pièce tubulaire est réalisée sous la forme d'un raccord coudé qui est destiné à la déviation de l'eau, à partir du mécanisme d'alimentation en eau en formant un angle a, par exemple a = 90°, jusque dans l'élément (110) faisant office de canalisation.
  12. Mécanisme faisant office de lingotière (400) qui comprend un tronçon faisant office de canalisation (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément (110) faisant office de canalisation est réalisé sous la forme d'une pièce tubulaire.
  13. Procédé destiné à la transformation d'un mécanisme (400) faisant office de lingotière à partir d'une largeur de coulée en vigueur jusqu'à présent jusqu'à une autre largeur de coulée, le procédé présentant les étapes suivantes dans lesquelles :
    a) on monte les boîtes à eau (420) qui forment les petits côtés, dans la direction de l'épaisseur de coulée (D) ;
    b) on démonte les mécanismes de support (432) des petits côtés en vigueur jusqu'à présent avec les plaques (430) qui forment jusqu'à présent les petits côtés de la lingotière, définissant l'épaisseur de coulée (d1) en vigueur jusqu'à présent ;
    c) on installe des mécanismes de support (432) des petits côtés avec des plaques (410) qui forment les petits côtés de la lingotière, définissant l'autre épaisseur de coulée (d2) ; et
    d) on amène les boîtes à eau (420), qui forment les grands côtés dans la direction d'épaisseur de coulée opposée (D), à l'autre largeur de coulée (d2) ;
    caractérisé
    - en ce que le mécanisme (400) faisant office de lingotière est réalisé en conformité avec l'une quelconque des revendications 1 à 12 ; et
    - en ce que le tronçon (100) faisant office de canalisation, qui relie au mécanisme d'alimentation en eau au moins une des boîtes à eau (420) qui forment les grands côtés, reste, au cours de l'ensemble des étapes a) à d), en liaison par canalisation de fluide avec ladite au moins une casse à eau (420) qui forme un grand côté et de préférence également avec le mécanisme d'alimentation en eau.
  14. Procédé selon la revendication 13, caractérisé en ce que l'on fait pivoter l'élément (110) faisant office de canalisation, au cours de l'étape opératoire a), à l'aide des paliers à billes (120, 140) en formant un angle β par rapport à une direction initiale (R) et on le déplace dans le tube de déplacement (150) sur un trajet x.
  15. Procédé selon la revendication 14, caractérisé en ce que l'on fait pivoter en retour l'élément (110) faisant office de canalisation, au cours de l'étape opératoire d), à l'aide des paliers à billes (120, 140) en formant un angle qui diverge par rapport à l'angle β dans la direction initiale (R) et on soumet à un déplacement en retour dans le tube de déplacement (150) sur un trajet qui diverge par rapport au trajet x.
EP19197890.7A 2018-09-18 2019-09-17 Section de conduite et dispositif de lingotière dotée de la section de conduite Active EP3626364B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018215815 2018-09-18
DE102018220203.6A DE102018220203A1 (de) 2018-09-18 2018-11-23 Leitungsabschnitt und Kokilleneinrichtung mit dem Leitungsabschnitt

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EP3626364A1 EP3626364A1 (fr) 2020-03-25
EP3626364B1 true EP3626364B1 (fr) 2021-06-30

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CN113628062B (zh) * 2020-05-06 2023-06-30 重庆昕晟环保科技有限公司 一种基于实际存留水量对二次供水水箱定量供水的方法

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