EP2516086B1 - Fermeture coulissante pour un récipient métallurgique - Google Patents

Fermeture coulissante pour un récipient métallurgique Download PDF

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Publication number
EP2516086B1
EP2516086B1 EP10801135.4A EP10801135A EP2516086B1 EP 2516086 B1 EP2516086 B1 EP 2516086B1 EP 10801135 A EP10801135 A EP 10801135A EP 2516086 B1 EP2516086 B1 EP 2516086B1
Authority
EP
European Patent Office
Prior art keywords
sliding closure
inner part
slide unit
sleeve
spout
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.)
Active
Application number
EP10801135.4A
Other languages
German (de)
English (en)
Other versions
EP2516086A1 (fr
Inventor
Phillipp Ackermann
Werner Keller
Angelo Zingre
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
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Publication date
Application filed by Stopinc AG filed Critical Stopinc AG
Publication of EP2516086A1 publication Critical patent/EP2516086A1/fr
Application granted granted Critical
Publication of EP2516086B1 publication Critical patent/EP2516086B1/fr
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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
    • 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
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/103—Distributing the molten metal, e.g. using runners, floats, distributors
    • 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
    • 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
    • B22D41/34—Supporting, fixing or centering means therefor

Definitions

  • the invention relates to a sliding closure for a metallurgical container according to the preamble of claim 1.
  • Slide closures of this type are known in various embodiments.
  • the publication EP 1 119 428 discloses, for example, a sliding closure comprising two refractory closure plates with a metal housing attachable to the container, which accommodates the upper closure plate and a container-side refractory inlet sleeve. Serving for opening and closing a spout opening lower closure or slide plate is in a metal slide unit arranged, which also receives a subsequent to the slide plate refractory spout.
  • the refractory parts of the sliding closure in particular the two closure plates, but also the container-side inlet sleeve and the sealing plate sealingly adjoining spout are exposed to heavy wear and must therefore be replaced regularly.
  • sliding closures which comprise a slide plate displaceable between two stationary closure plates (cf., for example, US Pat EP 0 891 829 A1 ), in which the housing attachable to the container in addition to the two stationary closure plates and the inlet sleeve and the spout or the pouring tube receives.
  • the present invention has been based on the object to provide a sliding closure of the type mentioned, which better withstand the resulting during casting high temperatures.
  • the slide unit is provided with a spout enclosing the inner part, which is detachably connected to the remaining part of the slide unit and this thermally expandable, just at the points where the highest temperatures prevail, the stresses in the slide unit degraded and the risk of cracks occurring is considerably reduced.
  • sliding closures which are equipped with two or more closure plates, it is in particular the slide unit, which is additionally exposed from below a strong heating and can be effectively protected by the inventive two-part design.
  • the invention is also applicable to sliding closures comprising two fixed closure plates and a slide plate slidable therebetween.
  • the housing attachable to the container, which receives in its lower part the spout (or a pouring tube) and is exposed from the bottom of the particularly strong heating.
  • Fig.1 shows a sliding closure 1 for a metallurgical container, which may be, for example, used in a continuous casting plant ladle for molten steel.
  • the container itself is not apparent from the drawing.
  • the sliding closure 1 has a fastened to the container metal housing 2, in which an upper closure plate 3 is held from a refractory material, pressed against a container side, also refractory inlet sleeve 4, which is guided into a container hole punch, not shown.
  • FIG. 1 Another, lower closure plate 5, a so-called slide plate is held in a longitudinally movable metal slide unit 6 thereof and in an example of the EP 1 119 428 in a known and therefore not described manner pressed against the upper closure plate 3.
  • a subsequent to the slide plate 5 refractory spout 8 is further arranged, which is pressed by means of a Verwoodsorgans 9 to the slide plate 5.
  • the through the inlet sleeve 4 and the upper closure plate 3 with its through hole 3a defined spout opening 10 can be partially or completely closed.
  • the connection 11 of the slide unit 6 is indicated on a linear drive effecting displacement.
  • the two closure plates 3, 5 are centered in the respective housing by means of centering members 13 in a manner known per se and not further described below.
  • the slide plate 5 and the spout 8 receiving slide unit 6 is provided with a spout 8 surrounding the inner part 7a, which is detachably connected to the remaining part 7b of the slide unit 6 and this thermally expandable.
  • the inner part 7a which also made Fig. 2 it can be seen, two diametrically opposite flange 17, 18, with which it can be guided into corresponding grooves 19 of the remaining slide unit 7b and then screwed with this.
  • shoulder screws 20 and for this in the one flange 17, a fitting opening 21 and in the other flange 18 a slot 22 are provided.
  • the one fitting shoulder screw 20 and the fitting opening 21 of the inner part which is in a bayonet-type connection in its lower region 27 with the already mentioned bracing member 9 for bracing the spout 8 with the overlying closure plate 5, allows the slot 22 a thermal expansion of the inner part 7a transverse to the axis A of the spout opening 10.
  • a radial air gap 28 is present, which forms a kind of temperature barrier between the spout 8 and the two-part slide unit 6.
  • the fitting shoulder screws 20 screwed into the slide unit 6 are advantageously arranged in a longitudinal center plane of the slide fastener.
  • that flange part 22 of the inner part is provided with the elongated hole 22 for the fitting shoulder screw 20, which is closer to the axis A of the spout opening during displacement of the slide unit 6 in the closed position and therefore, for example, in a throttle position the sliding closure of the higher temperature is exposed.
  • the attachable to the container housing 2 is in two parts and provided with a the inlet sleeve 4 enclosing, preferably annular inner part 2a.
  • This serving as a wear ring inner part 2a is detachably connected via a number of axially directed, distributed over the circumference fastening bolts 30 with the rest of the housing 2b.
  • the inner part 2a has a conical, upwardly tapering inner surface 31, which rests on a conical, upwardly tapering outer shoulder surface 32 of the inlet sleeve 4.
  • Cylindrical inner surfaces 33, 34 adjoin the conical inner surface 31, wherein a radial air gap 35 is present between these cylindrical inner surfaces 33, 34 and the outer circumference of the inlet sleeve 4.
  • the housing 2 which can be fastened to the container, but above all the housing frame 7 of the slide unit 6, is designed in two parts and has an inner part 2a enclosing the pouring sleeve 8 or the inlet sleeve 4; 7a is provided, are formed with the air gaps and thermal expansion is possible, just in the places where the greatest temperatures prevail, the stresses in the housing frame 7 and in the housing 2 degraded and the risk of cracks, significantly reduced.
  • sliding closures which are equipped with two closure plates, it is the slide unit 6, which is additionally exposed from below a strong heating and can be effectively protected by the inventive two-part design.
  • this upper, the inlet sleeve 4 centering designed as a ring inner part 2a and on the other hand, a housing 2 containing and the inlet sleeve 4 partially surrounding inner part 2a ' intended.
  • This inner part 2a ' is formed in two parts and, advantageously, it is arranged at a distance from the inlet sleeve 4.
  • the invention is also applicable to sliding closures comprising two fixed closure plates and a slide plate slidable therebetween.
  • the housing attachable to the container, which receives in its lower part the spout (or a pouring tube) and is exposed from the bottom of the particularly strong heating.
  • This housing may be formed in two parts at least in the area surrounding the spout sleeve and have a thermally expandable inner part.
  • this housing could also be equipped with a further inner part in the region of the inlet sleeve.
  • a housing material is particularly suitable gray cast iron or ductile iron.
  • the inner parts 7a, 2a and the other housing sections 7b, 2b can also consist of different materials.
  • the fasteners such. B. the passport shoulder screws 20 are also made of a temperature-resistant material as possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Closures For Containers (AREA)

Claims (11)

  1. Fermeture coulissante pour un récipient métallurgique, comprenant au moins deux plateaux (3; 5) de fermeture réfractaires, dont l'un est disposé dans une unité (6) métallique de tiroir et sert à ouvrir et à fermer une ouverture (10) de coulée, et le au moins un autre plateau (3) de fermeture est disposé dans une enveloppe (2) métallique pouvant être fixée au récipient, l'unité (6) de tiroir recevant supplémentairement un manchon (8) inférieur réfractaire de coulée, qui peut être pressé sur le plateau (5) à tiroir au moyen d'un organe (9) de blocage, caractérisée en ce que dans l'unité (6) à tiroir est disposée au moins une partie (7a) intérieure supplémentaire, qui comprend le manchon (8) de coulée, est reliée de manière amovible à l'unité à tiroir et peut se dilater thermiquement par rapport à celle-ci, dans laquelle il y a entre la partie (7a) intérieure, pénétrant de l'extérieur sur l'organe (9) de blocage et le manchon (8) de coulée, un intervalle (28) d'air radial, qui forme une sorte de barrière de température entre le manchon (8) de coulée et l'unité (6) à tiroir en deux parties.
  2. Fermeture coulissante suivant la revendication 1, caractérisée en ce que la partie (7a) intérieure est annulaire, disposée coaxialement au manchon (8) de coulée et reliée de manière amovible à l'autre partie (7b) de l'unité (6) à tiroir par un certain nombre de moyens (20) de fixation dirigés axialement.
  3. Fermeture coulissante suivant la revendication 2, caractérisée en ce que la partie (7a) intérieure, entourant le manchon (8) de coulée et pouvant se dilater au moins dans une direction, a deux parties (17, 18) de bride opposées diamétralement, par lesquelles elle peut être introduite dans des rainures (19) correspondantes du reste de l'unité à tiroir et qui sont pourvues d'ouvertures (21, 22) pour les moyens de fixation.
  4. Fermeture coulissante suivant la revendication 3, caractérisée en ce que les moyens de fixation comprennent chacun une vis (20) à épaulement ajustée, la une partie (17) de bride ayant une ouverture (21) d'ajustement et l'autre une boutonnière (22) pour le passage de la vis (20) à épaulement ajusté.
  5. Fermeture coulissante suivant la revendication 4, caractérisée en ce que les vis (20) à épaulement ajustées, vissées dans cette unité (8) à tiroir, sont disposées dans un plan médian longitudinal de la fermeture coulissante.
  6. Fermeture coulissante suivant la revendication 5, caractérisée en ce que la partie (18) de bride de la partie (7a) intérieure, qui est pourvue de la boutonnière (22) pour la vis (20) à épaulement ajustée, se trouve, lors de la fermeture de l'unité (6) à tiroir, dans la position de fermeture plus près de l'axe (A) de l'ouverture (10) de coulée.
  7. Fermeture coulissante suivant l'une des revendications 3 à 6, caractérisée en ce que la partie (7a) intérieure est en liaison de type à baïonnette avec un organe (9) de blocage pour bloquer la douille (8) de coulée avec le plateau (5) de fermeture se trouvant au-dessus.
  8. Fermeture coulissante suivant la revendication 7, caractérisée en ce qu'un intervalle (28) d'air radial est présent entre la douille (8) de coulée et la partie (7a) intérieure, pénétrant de l'extérieur, sur l'organe (9) de blocage.
  9. Fermeture coulissante suivant la revendication 1, caractérisée en ce que l'enveloppe (2) reçoit une douille (4) d'entrée réfractaire supérieure du côté du récipient, dans laquelle, dans l'enveloppe (2), est contenue une partie (2a') intérieure, qui entoure la douille (4) d'entrée et qui est en plusieurs pièces.
  10. Fermeture coulissante suivant la revendication 9, caractérisée en ce que la partie (2a') intérieure, entourant la douille (4) d'entrée, est disposée au dessus de la partie (2a) intérieure, de l'enveloppe (2) pouvant être fixée au récipient, a une surface (31) conique se rétrécissant vers le haut, qui s'applique à une surface (32) rentrée extérieure conique se rétrécissant vers le haut de la douille (4) d'entrée.
  11. Fermeture coulissante suivant la revendication 10, caractérisée en ce que la partie (2a) intérieure a des surfaces (33, 34) intérieures cylindriques se raccordant à la surface (31) intérieure conique, un intervalle (35) d'air radial étant présent entre ces surfaces (33, 34) intérieures cylindriques et le pourtour extérieur de la douille (4) d'entrée.
EP10801135.4A 2009-12-21 2010-12-20 Fermeture coulissante pour un récipient métallurgique Active EP2516086B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH02016/09A CH702467B1 (de) 2009-12-21 2009-12-21 Schiebeverschluss für einen metallurgischen Behälter.
PCT/EP2010/007790 WO2011085787A1 (fr) 2009-12-21 2010-12-20 Fermeture coulissante pour un récipient métallurgique

Publications (2)

Publication Number Publication Date
EP2516086A1 EP2516086A1 (fr) 2012-10-31
EP2516086B1 true EP2516086B1 (fr) 2018-11-07

Family

ID=43558154

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10801135.4A Active EP2516086B1 (fr) 2009-12-21 2010-12-20 Fermeture coulissante pour un récipient métallurgique

Country Status (6)

Country Link
US (1) US8939331B2 (fr)
EP (1) EP2516086B1 (fr)
KR (1) KR101872036B1 (fr)
CN (1) CN102834205B (fr)
CH (1) CH702467B1 (fr)
WO (1) WO2011085787A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
CN210059791U (zh) * 2017-11-10 2020-02-14 维苏威集团有限公司 包括卡口式自由集液管口的底板组件
EP3851225A1 (fr) 2020-01-15 2021-07-21 Refractory Intellectual Property GmbH & Co. KG Fermeture coulissante pour une cuve métallurgique
CN113000830A (zh) * 2021-02-25 2021-06-22 佟长功 一种安全耐材钢水流量控制器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561573A (en) * 1982-08-20 1985-12-31 Flo-Con Systems, Inc. Valve and replaceable collector nozzle
US4582232A (en) * 1984-06-19 1986-04-15 Flo-Con Systems, Inc. Valve, clamp, refractory and method
DE3500866A1 (de) * 1985-01-12 1986-07-17 Stopinc Ag, Baar Schiebeverschluss fuer den ausguss an metallurgischen gefaessen, insbesondere stahlgiesspfannen
DE3500865A1 (de) 1985-01-12 1986-07-17 Stopinc Ag, Baar Schiebeverschluss, insbesondere fuer stahlschmelze enthaltende gefaesse
DE59204770D1 (de) * 1991-04-06 1996-02-01 Technometal Ges Fuer Metalltec SCHIEBERVERSCHLUSS FüR SCHMELZEGEFÄSSE
CA2242501C (fr) * 1997-07-16 2009-06-16 Werner Keller Robinet-vanne a lunette pour un recipient contenant du metal en fusion
RU2223842C2 (ru) 1998-07-26 2004-02-20 Штопинк Акциенгезелльшафт Сдвижной затвор для контейнера с расплавленным металлом
EP1485219B1 (fr) * 2002-03-25 2009-12-02 Stopinc Aktiengesellschaft Procede pour faire fonctionner un systeme de fermeture coulissant et systeme de fermeture coulissant

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN102834205B (zh) 2016-07-06
EP2516086A1 (fr) 2012-10-31
CN102834205A (zh) 2012-12-19
CH702467B1 (de) 2021-07-15
KR101872036B1 (ko) 2018-06-27
KR20120106770A (ko) 2012-09-26
CH702467A2 (de) 2011-06-30
WO2011085787A1 (fr) 2011-07-21
US8939331B2 (en) 2015-01-27
US20120273532A1 (en) 2012-11-01

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