EP2268432B1 - Plaque d'obturation ainsi qu'obturateur à tiroir à l'ouverture de coulée d'un récipient pour bain métallique - Google Patents

Plaque d'obturation ainsi qu'obturateur à tiroir à l'ouverture de coulée d'un récipient pour bain métallique Download PDF

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Publication number
EP2268432B1
EP2268432B1 EP09731567.5A EP09731567A EP2268432B1 EP 2268432 B1 EP2268432 B1 EP 2268432B1 EP 09731567 A EP09731567 A EP 09731567A EP 2268432 B1 EP2268432 B1 EP 2268432B1
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EP
European Patent Office
Prior art keywords
plate
refractory
sliding
closing plate
spout
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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.)
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Application number
EP09731567.5A
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German (de)
English (en)
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EP2268432A1 (fr
Inventor
Benno Steiner
Werner Keller
Urs Truttmann
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.)
Stopinc AG
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Stopinc AG
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Publication of EP2268432B1 publication Critical patent/EP2268432B1/fr
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14Closures
    • B22D41/22Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/24Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings characterised by a rectilinearly movable plate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14Closures
    • B22D41/22Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/28Plates therefor

Definitions

  • the invention relates to a closure plate for a sliding closure at the spout of a container for molten metal, in particular a converter, according to the preamble of claim 1 and a sliding closure according to claim 4.
  • EP-A-0 468 363 a device for changing a casting tube is disclosed, in which in one embodiment, base plates are provided which are displaceable between the casting tube and a fixed base plate in the casting position.
  • base plates are provided which are displaceable between the casting tube and a fixed base plate in the casting position.
  • Andeutungmud bevels are provided at both ends bevels in this base plate on one side of the sliding surfaces.
  • a sliding closure which is used in particular for opening and closing a converter spout opening is, for example, in EP 0 819 488 B1 disclosed. It comprises a housing frame in which a stationary refractory closure plate (a so-called bottom plate) and one of these opposite sliding, held in a slide unit refractory slide plate are arranged.
  • the slide plate is sealingly pressed with its upper sliding surface to a lower sliding surface of the bottom plate.
  • the housing frame is detachably mounted on a container-fixed base plate, wherein the bottom plate is clamped on its upper sliding surface with a refractory spout head used in the base plate.
  • the refractory parts are exposed to heavy wear. It is therefore necessary to exchange them relatively frequently. For this, the housing frame must be detached from the base plate in each case.
  • the closure plates for a sliding closure are known to each include a surrounded by a metal jacket, elongated refractory plate, which may also be multi-part.
  • the present invention has for its object to provide a closure plate for a sliding closure on the spout of a container for molten metal, in particular a converter, which allows a particularly gentle clamping with another closure plate or with a refractory spout headboard. Furthermore, a suitable especially for converter sliding closure should be further improved.
  • the risk of damage to the end faces of the refractory parts to be clamped together when introducing the tension and / or during relative adjustment of the mutually strained refractory parts can be considerably reduced.
  • a closure plate 10 for a sliding closure is shown at the spout of a container for molten metal. It may, for example, a so-called bottom plate of a in Fig. 5 to 7
  • the closure plate 10 has an elongated shape and optionally an octagonal outer contour. It comprises a multi-part refractory plate 11 and a metal jacket 12 surrounding it.
  • the refractory plate 11 provided with a spout opening 13 has a lower sliding surface 14 and an upper sliding surface 15.
  • the refractory plate 11 is clamped on the one hand on the lower sliding surface 14 with a slide plate 20 of the sliding closure 1 and on the other hand via the upper sliding surface 15 with a lower sliding surface 21 'of a refractory container spout head part 21.
  • the refractory plate 11 has in a projecting out of the metal jacket 12 area at least along the upper sliding surface 15 bounding side with the sliding surface 15 an angle ⁇ enclosing chamfer 26 along one of the two narrow sides 16, 17, wherein the angle ⁇ preferably between 10 ° and 15 °.
  • the refractory plate 11 in addition to the chamfer 26, there is in each case a chamfer 28, 29 in the sliding surface 14, which are assigned to the two longitudinal sides 18, 19 which are parallel to the longitudinal axis L.
  • the closure plate 10 can act as a stationary base plate in a housing frame 30 of the sliding closure 1 Fig. 5 be accommodated in which housing frame 30, a slide unit 31 is slidably disposed with the slide plate 20, wherein the longitudinal axis L of the closure plate 10 in the direction of displacement of the slide closure 1 extends.
  • the housing frame 30 is removably mounted on a container-fixed base plate 32.
  • Suspension means are preferably provided for the pivotable arrangement of the housing frame 30 on the container-fixed base plate 32, wherein the pivot axis A extends transversely to the direction of displacement of the slide unit 31.
  • Fig. 5 in particular illustrates how the housing frame 30 is pivoted with the refractory parts mounted therein about the axis A and then fixed by means not shown fixing means on the base plate 32, wherein the refractory parts are braced over existing in the housing frame 30 spring members.
  • the spring members are designed with such a spring characteristic that initially only very low contact forces in this first striking with the head part 21 bevel 26 of the refractory plate 11 comes into contact before the full spring force on the surface of the head part 21 adjacent plate 11 for Effect comes.
  • the housing frame 30 includes a transversely to the direction of displacement of the slide unit 20 slidable cassette 40 with at least two serving as bottom plates closure plates 10a, 10b, wherein the one closure plate 10a by moving the cassette 40 from the operating position to Fig. 6 removed and replaced by the other closure plate 10b ( Fig. 7 ), without the housing frame 30 must be dismantled.
  • the exact structure and operation of such a sliding closure is the earlier mentioned WO2009127333 A1 and is therefore not described in detail.
  • the refractory plates 11 of all the closure plates 10a, 10b at least along the front with respect to the cassette shift longitudinal sides 18, 19 provided with bevels 28, 29 to clamped in the mutual displacement of the full contact force with each other Refractory parts to avoid damage to their sliding surfaces.
  • both longitudinal sides 18, 19 of the respective refractory plate 11 are provided with chamfers 28, 29, in particular if for the purpose of simplification of the exchange process a forward and backward Return displacement of the cassette 40 is provided.
  • Such a slide plate could also be formed on the side facing away from the sliding surface with a known spring and thus be provided only on one side with a sliding surface, be provided in the context of the invention, for example, on the one narrow side of the sliding surface such a chamfer could, so that if the slide plate when swiveling the slide unit by way of a flat contact by this bevel would not come into contact edgewise to the bottom plate.
  • the invention is sufficiently demonstrated with the illustrated embodiments. But you could still be executed by additional variants. So it may be at the surrounding the refractory plate 11 metal jacket 12 to a deep-drawn sheet, a bandage or act on a cassette frame or the like.
  • This chamfering according to the invention in the case of the refractory plate could not be provided over the entire length but only in a partial region in the case of a plate form in which the outer sides run obliquely to the longitudinal axis L of the plate or these outer sides are rounded.

Claims (9)

  1. Plaque d'obturation pour un obturateur à tiroir à la busette de coulée d'un réservoir de métal fondu, notamment d'un convertisseur, comprenant une plaque (11) réfractaire oblongue et formant un axe (L) longitudinal et une enveloppe (12) de tôle l'entourant, la plaque (11) réfractaire, pourvue d'une ouverture de sortie se trouvant sur l'axe (L) longitudinal, pouvant être bloquée par l'intermédiaire de surfaces (14, 15) de glissement avec une autre plaque d'obturation réfractaire ou avec une surface (21') de glissement d'une partie (21) de tête réfractaire, caractérisée en ce que
    la plaque (11) réfractaire a au moins, sur les grands côtés (18, 19), qui délimitent la surface (14) de glissement opposée à la surface (15) de glissement et qui s'étendent parallèlement à l'axe (L) longitudinal de la plaque, un biseau (28, 29) formant un angle (α), biseau qui est associé à une zone de la plaque (11) réfractaire dépassant de l'enveloppe (12) de tôle.
  2. Plaque d'obturation suivant la revendication 1, caractérisée en ce que l'angle (α) de ce biseau (26, 28, 29) est compris entre 10° et 15°.
  3. Plaque d'obturation suivant la revendication 1 ou 2, caractérisée en ce que le biseau (26) est associé à un petit côté (16) de la plaque (11) réfractaire dirigé transversalement à l'axe (L) longitudinal de la plaque.
  4. Obturateur à tiroir à la busette de coulée d'un récipient de métal fondu, notamment d'un convertisseur, comprenant une plaque (10) d'obturation suivant l'une des revendications 1 à 3, caractérisé en ce que la plaque (10) d'obturation est logée sous la forme d'une plaque de fond immobile dans un cadre (30) pouvant être mis sur une plaque (32) de base fixée au récipient, cadre dans lequel est montée coulissante une unité (31) de tiroir pourvue d'une plaque (20) de tiroir, l'axe (L) longitudinal de la plaque s'étendant dans la direction de coulissement de l'unité (31) de tiroir, la plaque (10) d'obturation ou sa plaque (11) réfractaire pourvue des biseaux (26, 28, 29) pouvant être bloquée par l'intermédiaire de sa surface (15) de glissement avec une surface (21') de glissement d'une partie (11) de tête de la busette de coulée réfractaire insérée dans la plaque (32) de base.
  5. Obturateur à tiroir suivant la revendication 4, caractérisé en ce qu'il est prévu des moyens de suspension pour l'agencement pivotant du cadre (30) sur la plaque (32) de base fixée au récipient et des moyens d'immobilisation pour la fixation amovible de ce cadre, l'axe (A) de pivotement s'étendant transversalement à la direction de coulissement de l'unité (31) de tiroir, le petit côté (16) proche de l'axe (A) de pivotement de la plaque (11) réfractaire étant pourvu du biseau (26).
  6. Obturateur à tiroir suivant la revendication 4 ou 5, caractérisé en ce que, dans le cadre (30), est montée coulissante une cassette (40), qui contient, outre la plaque (10a) d'obturation, encore au moins une autre plaque (10b) d'obturation constituée pareillement, l'autre plaque (10b) d'obturation pouvant être mise par coulissement de la cassette (40) dans une position de fonctionnement et la cassette (10a) pouvant être ainsi remplacée.
  7. Obturateur à tiroir suivant la revendication 6, caractérisé en ce que la direction de coulissement de la cassette (40) s'étend transversalement à la direction de coulissement de l'unité (31) de tiroir.
  8. Obturateur à tiroir suivant la revendication 7, caractérisé en ce que les plaques (11) réfractaires de toutes les plaques (10a, 10b) d'obturation ont des biseaux (28, 29) au moins sur les grands côtés (18, 19) avant par rapport au coulissement de la cassette.
  9. Obturateur à tiroir suivant l'une des revendications 6 à 8, caractérisé en ce que la cassette (40) peut aller et venir entre sa position initiale et sa position finale, les deux grands côtés (18, 19) de la plaque (11) réfractaire respective ayant des biseaux (28, 29).
EP09731567.5A 2008-04-17 2009-04-17 Plaque d'obturation ainsi qu'obturateur à tiroir à l'ouverture de coulée d'un récipient pour bain métallique Active EP2268432B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6032008 2008-04-17
PCT/EP2009/002815 WO2009127420A1 (fr) 2008-04-17 2009-04-17 Plaque d'obturation ainsi qu'obturateur à tiroir à l'ouverture de coulée d'un récipient pour bain métallique

Publications (2)

Publication Number Publication Date
EP2268432A1 EP2268432A1 (fr) 2011-01-05
EP2268432B1 true EP2268432B1 (fr) 2016-04-13

Family

ID=40823440

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Application Number Title Priority Date Filing Date
EP09731567.5A Active EP2268432B1 (fr) 2008-04-17 2009-04-17 Plaque d'obturation ainsi qu'obturateur à tiroir à l'ouverture de coulée d'un récipient pour bain métallique

Country Status (13)

Country Link
US (1) US8740024B2 (fr)
EP (1) EP2268432B1 (fr)
JP (1) JP5426658B2 (fr)
KR (1) KR20100132041A (fr)
CN (1) CN102006952B (fr)
BR (1) BRPI0910467B1 (fr)
CA (1) CA2721597A1 (fr)
ES (1) ES2573906T3 (fr)
HU (1) HUE028952T2 (fr)
PL (1) PL2268432T3 (fr)
RU (1) RU2490091C2 (fr)
WO (1) WO2009127420A1 (fr)
ZA (1) ZA201007258B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8371484B2 (en) * 2007-07-16 2013-02-12 Stopinc Aktiengesellschaft Sliding closure for a vessel containing molten metal
PL2490846T3 (pl) * 2009-10-21 2016-06-30 Stopinc Ag Element ogniotrwały dla zamknięcia zasuwowego przy wylewie zbiornika na roztopiony metal
CH702754A2 (de) 2010-02-19 2011-08-31 Stopinc Ag Überwachungseinrichtung für einen Schiebeverschluss, einen Giessrohrwechsler oder dergleichen an einem metallurgischen Gefäss.
EP2371471A1 (fr) * 2010-03-19 2011-10-05 Vesuvius Group S.A Busette interne pour le transfert de métal liquide contenu dans un récipient métallurgique et dispositif de transfert de métal liquide.
EP2481500A1 (fr) 2011-01-31 2012-08-01 Stopinc Aktiengesellschaft Plaque de fermeture et fermeture coulissante au niveau d'une busette de coulée d'un récipient contenant un métal en fusion
USD732094S1 (en) * 2012-07-20 2015-06-16 Ivoclar Vivadent Ag Firing plate for a dental furnace
CH707075B1 (de) 2012-10-11 2021-01-15 Refractory Intellectual Property Gmbh & Co Kg Schiebeverschluss für ein Metallschmelze enthaltendes Gefäss.
CN205062109U (zh) * 2015-10-26 2016-03-02 濮阳濮耐高温材料(集团)股份有限公司 转炉出钢滑动水口控渣出钢装置
TWI717455B (zh) * 2016-01-25 2021-02-01 比利時商維蘇威集團股份有限公司 滑動閘閥板、金屬殼及滑動閘閥

Citations (2)

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Publication number Priority date Publication date Assignee Title
JPH0259855U (fr) * 1988-10-21 1990-05-01
WO2009127333A1 (fr) * 2008-04-17 2009-10-22 Stopinc Aktiengesellschaft Obturateur à tiroir pour récipient contenant un bain métallique

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CA1136829A (fr) * 1978-09-25 1982-12-07 Earl P. Shapland Vanne de decharge, et methode d'echange du tube de coulee et du guichet de vanne
EP0122904A3 (fr) * 1983-03-21 1987-11-19 Vesuvius International Corporation Dispositif de fermeture coulissant pour conteneur sidérurgique ou métallurgique
US4582232A (en) * 1984-06-19 1986-04-15 Flo-Con Systems, Inc. Valve, clamp, refractory and method
EP0356551B1 (fr) * 1988-08-31 1992-03-25 Metacon AG Ensemble de plaques réfractaires pour obturateurs coulissants à trois plaques
US5052598A (en) * 1989-03-03 1991-10-01 Flo-Con Systems, Inc. Sliding gate valve method and replaceable retractories
BE1002714A5 (fr) * 1989-08-18 1991-05-14 Rech S Et Dev Desaar Dispositif de fermeture du trou de coulee d'un recipient pour metal liquide.
JPH0747173Y2 (ja) * 1989-11-30 1995-11-01 黒崎窯業株式会社 スライディングノズル装置用プレート耐火物
DE4023484A1 (de) * 1990-07-24 1992-02-06 Didier Werke Ag Einrichtung zum wechseln eines giessrohres an einem metallurgischen gefaess
DE69332116T3 (de) * 1993-04-19 2006-09-28 Vesuvius France S.A. Vorrichtung und Verfahren zum Gießen mit einer zementfreien Verbindung des Schiebeverschlusses mit dem metallurgischen Gefäß
DE59601634D1 (de) * 1995-02-17 1999-05-20 Stopinc Ag Schieberverschluss-system für einen Metallschmelze enthaltenden Behälter
JPH09206922A (ja) * 1996-02-05 1997-08-12 Toshiba Ceramics Co Ltd スライドゲート用プレートの着脱装置及びスライドゲート用プレートのスライド盤
ZA975908B (en) * 1996-07-18 1998-03-30 Stopinc Ag Sliding gate valve for a vessel containing molten metal.
JPH1190618A (ja) * 1997-09-13 1999-04-06 Sumitomo Jukikai Chutan Kk スライドゲートの開蓋機構
JP3494604B2 (ja) * 1999-11-11 2004-02-09 品川白煉瓦株式会社 スライディングノズル装置用摺動プレートれんが
JP3743556B2 (ja) * 2001-09-17 2006-02-08 黒崎播磨株式会社 スライディングノズル用プレート耐火物
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Publication number Priority date Publication date Assignee Title
JPH0259855U (fr) * 1988-10-21 1990-05-01
WO2009127333A1 (fr) * 2008-04-17 2009-10-22 Stopinc Aktiengesellschaft Obturateur à tiroir pour récipient contenant un bain métallique

Also Published As

Publication number Publication date
RU2490091C2 (ru) 2013-08-20
CN102006952A (zh) 2011-04-06
BRPI0910467A2 (pt) 2016-07-26
RU2010146653A (ru) 2012-05-27
CA2721597A1 (fr) 2009-10-22
US20110127302A1 (en) 2011-06-02
JP5426658B2 (ja) 2014-02-26
PL2268432T3 (pl) 2017-01-31
BRPI0910467B1 (pt) 2017-08-01
HUE028952T2 (en) 2017-01-30
CN102006952B (zh) 2016-03-23
KR20100132041A (ko) 2010-12-16
EP2268432A1 (fr) 2011-01-05
JP2011516278A (ja) 2011-05-26
US8740024B2 (en) 2014-06-03
ZA201007258B (en) 2011-06-29
ES2573906T3 (es) 2016-06-13
WO2009127420A1 (fr) 2009-10-22

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