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EP2268432A1 - 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

Info

Publication number
EP2268432A1
EP2268432A1 EP09731567A EP09731567A EP2268432A1 EP 2268432 A1 EP2268432 A1 EP 2268432A1 EP 09731567 A EP09731567 A EP 09731567A EP 09731567 A EP09731567 A EP 09731567A EP 2268432 A1 EP2268432 A1 EP 2268432A1
Authority
EP
European Patent Office
Prior art keywords
plate
refractory
closure
sliding
sliding surface
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.)
Granted
Application number
EP09731567A
Other languages
German (de)
English (en)
Other versions
EP2268432B1 (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
Original Assignee
Stopinc 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 Stopinc AG filed Critical Stopinc AG
Publication of EP2268432A1 publication Critical patent/EP2268432A1/fr
Application granted granted Critical
Publication of EP2268432B1 publication Critical patent/EP2268432B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/22—Closures 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
    • B22D41/24—Closures 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/22—Closures 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
    • B22D41/28—Plates 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 5.
  • Slide closures on the spout of containers for molten metal are known in various designs.
  • a sliding closure which is used in particular for opening and closing a converter spout opening, is disclosed, for example, in EP 0 819 488 B1. 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 danger of damage to the end faces of the refractory parts to be clamped together when introducing the tension and / or during a relative adjustment of the mutually strained refractory parts can be considerably reduced.
  • FIG. 2 shows the closure plate according to FIG. 1 in plan view
  • Fig. 3 is a section along the line III-III in Fig. 2;
  • FIG. 4 shows a detail X from FIG. 3 on an enlarged scale
  • FIG. 5 shows a longitudinal section of an embodiment of a sliding closure when pivoting to the spout of a converter.
  • FIG. 6 shows the sliding closure according to FIG. 5 in cross-section, with a cassette containing two base plates in an initial position
  • Fig. 7 shows the sliding closure of Fig. 5 in cross section, with the cassette in an end position.
  • a closure plate 10 is shown for a sliding closure at the spout of a container for molten metal. It may, for example, be a so-called bottom plate of a sliding closure 1 shown in more detail in FIGS. 5 to 7 for a converter, as will be described in more detail below.
  • 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 1 1 provided with a spout opening 13 has a lower sliding surface 14 and an upper sliding surface 15.
  • the refractory plate 1 1 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 1 1 according to the invention in a protruding from the metal jacket 12 area at least along the upper sliding surface 15 bounding side with the sliding surface 15 an angle ⁇ inclining bevel 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 parallel to the longitudinal axis L.
  • the closure plate 10 according to the invention can be accommodated as a stationary base plate in a housing frame 30 of the sliding closure 1 according to FIG. 5, in which housing frame 30 a slide unit 31 with the slide plate 20 is displaceably arranged, the longitudinal axis L of the closure plate 10 in FIG the displacement direction of the slide closure 1 runs.
  • 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 shows in particular 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 clamped in the housing frame 30 existing spring organs.
  • 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 1 1 comes to effect.
  • the housing frame 30 contains a cassette 40 displaceable transversely to the direction of displacement of the slide unit 20 with at least two closure plates 10a, 10b serving as bottom plates, wherein the one closure plate 10a is displaced by moving the cassette 40 out of the operating position can be 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 can be found in the earlier mentioned Swiss patent application no. 00603/08 and is therefore not described in detail.
  • the refractory plates 11 of all the closure plates 10a, 10b are provided with bevels 28, 29 at least along the longitudinal sides 18, 19 with respect to the cassette displacement, in order to prevent mutual displacement of the full contact force. Clamped refractory parts to avoid damage to their sliding surfaces. This risk of abutment of the edges arises primarily due to the dimensional differences resulting thickness differences of the refractory plates and the head part 21.
  • 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 in the surrounding the refractory plate 11 sheet metal coat 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 refractory plate could not be provided over the entire length, but only in a partial area 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Details Of Valves (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Clamps And Clips (AREA)
  • Building Environments (AREA)

Abstract

L'invention concerne une plaque d'obturation pour un obturateur à tiroir à l'ouverture de coulée d'un récipient pour bain métallique, en particulier un convertisseur, ladite plaque comprenant une plaque réfractaire (11) allongée et un revêtement métallique (12) placé sur le tour de cette dernière. La plaque réfractaire (11) comporte une surface de coulissement (14, 15) qui peut être serrée contre la surface de coulissement d'une plaque d'obturation réfractaire avec laquelle elle coopère, ou contre la surface de coulissement (21') d'une garniture d'extrémité réfractaire (21). La plaque réfractaire (11) comporte sur au moins un côté (16, 17, 18, 19) délimitant la surface de coulissement (14, 15), une partie inclinée (26, 28, 29) contenant un angle (α), et faisant partie d'une zone de la plaque réfractaire (11) déplassant du revêtement métallique (12). La plaque d'obturation selon l'invention permet de réduire de manière importante le risque d'endommagement des faces de travail des éléments réfractaires devant être serrées l'une contre l'autre lors de l'introduction de la pression de serrage et/ou pendant le déplacement relatif des éléments réfractaires serrés l'un contre l'autre.
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 true EP2268432A1 (fr) 2011-01-05
EP2268432B1 EP2268432B1 (fr) 2016-04-13

Family

ID=40823440

Family Applications (1)

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 (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101518523B1 (ko) * 2007-07-16 2015-05-07 스토핑크 아크티엔게젤샤프트 용융 금속을 함유하는 베슬용 슬라이딩 클로져
JP5698754B2 (ja) * 2009-10-21 2015-04-08 シュトピンク・アクティーエンゲゼルシャフト 溶融金属用容器の排出口にあるスライドゲートに用いる耐熱性ユニット
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
CH715297A2 (de) 2018-09-04 2020-03-13 Refractory Intellectual Property Gmbh & Co Kg Verfahren zur Wartung eines Schiebeverschlusses am Ausguss eines metallurgischen Gefässes sowie ein Schiebeverschluss.

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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
ATE74036T1 (de) * 1988-08-31 1992-04-15 Metacon Ag Feuerfester plattensatz fuer dreiplattenschieberverschluesse.
JPH0649420Y2 (ja) * 1988-10-21 1994-12-14 品川白煉瓦株式会社 スライデイングノズル用プレートれんが
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
ATE220588T1 (de) * 1993-04-19 2002-08-15 Vesuvius France Sa Vorrichtung und verfahren zum giessen mit einer zementfreien verbindung des schiebeverschlusses mit dem metallurgischen gefäss
ZA96980B (en) * 1995-02-17 1996-10-24 Stopinc Ag Sliding gate valve for a vessel containing molten metal
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.
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Also Published As

Publication number Publication date
RU2010146653A (ru) 2012-05-27
PL2268432T3 (pl) 2017-01-31
US20110127302A1 (en) 2011-06-02
US8740024B2 (en) 2014-06-03
WO2009127420A1 (fr) 2009-10-22
CA2721597A1 (fr) 2009-10-22
JP5426658B2 (ja) 2014-02-26
HUE028952T2 (en) 2017-01-30
BRPI0910467B1 (pt) 2017-08-01
ZA201007258B (en) 2011-06-29
JP2011516278A (ja) 2011-05-26
BRPI0910467A2 (pt) 2016-07-26
CN102006952A (zh) 2011-04-06
KR20100132041A (ko) 2010-12-16
CN102006952B (zh) 2016-03-23
RU2490091C2 (ru) 2013-08-20
ES2573906T3 (es) 2016-06-13
EP2268432B1 (fr) 2016-04-13

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