EP0441927B1 - Abdichtungsfähige giessanordung für einen metallurgischen behälter - Google Patents

Abdichtungsfähige giessanordung für einen metallurgischen behälter Download PDF

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Publication number
EP0441927B1
EP0441927B1 EP90912616A EP90912616A EP0441927B1 EP 0441927 B1 EP0441927 B1 EP 0441927B1 EP 90912616 A EP90912616 A EP 90912616A EP 90912616 A EP90912616 A EP 90912616A EP 0441927 B1 EP0441927 B1 EP 0441927B1
Authority
EP
European Patent Office
Prior art keywords
plate
fixed
pouring
container
reference 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.)
Expired - Lifetime
Application number
EP90912616A
Other languages
English (en)
French (fr)
Other versions
EP0441927A1 (de
Inventor
Stan Szadkowski
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.)
International Industrial Engineering SA
Original Assignee
International Industrial Engineering SA
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Filing date
Publication date
Application filed by International Industrial Engineering SA filed Critical International Industrial Engineering SA
Publication of EP0441927A1 publication Critical patent/EP0441927A1/de
Application granted granted Critical
Publication of EP0441927B1 publication Critical patent/EP0441927B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B22D41/56—Means for supporting, manipulating or changing a pouring-nozzle

Definitions

  • the present invention relates to a device for casting a steel or metallurgical container such as a continuous casting distributor or a ladle.
  • a pouring device comprises elements of refractory material traversed by a pouring channel which ends in an external tube called an external nozzle.
  • an external nozzle During the casting of molten metal the refractory wall of the pouring channel and of the external nozzle is eroded considerably under the effect of the high temperature of the liquid metal and, in particular, the external nozzle must be replaced frequently. This is why a means is provided to make the replacement of the external nozzle as fast as possible so as to minimize the immobilization time of the container, and in particular in the case of continuous casting.
  • the document EP-A-0122904 on which the preamble of claim 1 is based, describes a device for closing the pouring channel of a steel container, comprising a fixed plate attached under the bottom of the container, a shutter-drawer mounted under the fixed plate to be able to slide along and against it, and a set of base-tube of external pouring held against the shutter-drawer.
  • the entire device is clamped against the bottom of the container by a clamping device which exerts and maintains upward pressure.
  • the seal between the base of the external pouring tube and the shutter-drawer and between the shutter-drawer and the fixed plate is only ensured by the pressure of tightening up. Sealing is therefore dependent on this clamping pressure and when it varies, perfect sealing can no longer be ensured.
  • a variation in the clamping pressure occurs in particular when the external pouring tube is changed. Even using a pouring tube composed of a tubular element separable from a tube-holder base, as explained in document WO-A-89/02800, it is not possible to guarantee a perfect seal regardless of the clamping pressure.
  • the present invention solves this problem by means of a closable casting device for a steel or metallurgical container as defined in the independent claim. More particularly, the invention provides a fixed reference plate rigidly mounted in a box fixed to the container, said fixed reference plate being placed between the shutter-drawer and the base-external-pouring tube assembly and being pierced with a pouring port coaxial with the pouring channel of the external pouring tube so as to be in communication with the pouring orifice of the shutter-drawer when the latter is in its position delivering passage to the liquid metal, means of clamping arranged to push the fixed plate and the shutter-drawer towards the fixed reference plate and keep the shutter-drawer tight against the upper face of the fixed reference plate.
  • the reference plate gives the fixed plate attached to the bottom of the container perfect stability which prevents any lateral or vertical movement of this plate without it being necessary to increase the force of Tightening. In this way, a perfect seal is ensured in the closing device even in the event of variation of the clamping force.
  • the stability conferred on the closure device thanks to the presence of the reference plate in accordance with the invention allows the use of an external pouring tube with variable flow.
  • the invention makes it possible to take advantage of a device for supplying and changing the external pouring tube as described in EP-A-0192019 with a device for closing the pouring channel with obturator drawer thanks to the seal. perfect provided by the device according to the invention.
  • Figure 1 is a plan view of a casting device according to the invention.
  • Figure 2 is a sectional view along line II-II of Figure 1.
  • Figure 3 is a sectional view along line III-III of Figure 1.
  • the embodiment illustrated by way of example represents a casting device for a continuous casting distributor.
  • the bottom of the distributor is designated by the reference sign 10 in FIG. 2.
  • the reference sign 12 designates the internal nozzle which, as is known, is housed in a brick of seat 11 built in the refractory lining inside the distributor.
  • the lower end of the internal nozzle 12 fits into a groove formed on the upper face of a plate 21 of refractory material (called fixed plate) pierced with a pouring orifice 14 coaxial with the pouring channel 13 of the nozzle internal 12.
  • the fixed plate 21 is fixed in a support ring 28 held in a box 20 as will be seen below.
  • a movable plate 22 of refractory material pierced with a pouring orifice 15 which, in the position shown in FIG. 2, is coaxial with the pouring orifice 14 of the fixed plate 21.
  • the plate mobile 22 is mounted so that it can slide along the fixed plate 21 in the direction indicated by the arrow M in FIG. 3 (that is to say the direction perpendicular to the plane of the drawing in FIG. 2), under the action of a push arm 27 controlled by a drive mechanism known per se.
  • the movable plate 22 comes to close off the pouring channel.
  • a fixed plate 23 of refractory material pierced with a tap hole 16 which communicates with the pouring orifices 14 and 15 and the pouring channel 13.
  • the plate 23 is rigidly fixed to the box 20 as shown in particular in Figure 3.
  • the fixed plate 23 serves as a reference plate for mounting the device as will be seen later.
  • a base 24 made integral with a pouring tube 25 or nozzle external.
  • the base-nozzle assembly is put in place by horizontal translation by means of a pushing arm 18 and it is held by arms forming part of the casing 20.
  • the pouring channel of the external nozzle 25 communicates with the pouring channel 13 of the internal nozzle 12.
  • the fixed plate 23 intermediate between the movable plate 22 and the base 24 of the nozzle 25 serves as a common reference plate for tightening the entire device inside of the box 20.
  • the base-nozzle assembly 24-25 is carried and tightened against the underside of the reference plate 23 by pushing upwards exerted by the end of the arms 33 which are armed by the action of springs.
  • the fixed 21 and movable plates 22 of the closure device are carried and clamped against the upper face of the reference plate 23 by pushing downwards exerted on the support ring 28 which maintains the fixed plate 21.
  • the crown 28 is held in position by the pressure of the springs 35, the force of which is transmitted to the crown via the pushers 36 mounted around a pivot axis 37.
  • the springs 35 and the pushers 36 are six in number.
  • a screw 31 (visible in FIG. 3) exerts on the crown 28 a force which has a vertical component; this produces a low downward pressure which stabilizes the crown 28 during the sliding of the movable plate 22.
  • the fixed plate 21 is perfectly stabilized, thus avoiding any lateral or vertical movement of this plate without the need to increase the clamping force.
  • FIG. 3 shows by way of example an embodiment in which the axis BB of the nozzle 25 and the orifice of the reference plate 23 is offset with respect to the axis AA of the pouring channel 13 of the internal nozzle 12.
  • a screw 34 makes it possible to block the horizontal position of the reference plate 23 so as to maintain it in position during the movement of the movable plate while ensuring excellent sealing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Claims (5)

  1. Gießvorrichtung für einen siderurgischen und metallurgischen Behälter mit einem einen Gießkanal aufweisenden inneren Gießrohr, mit einer festen feuerfesten Platte (21), die unter dem Boden des Behälters angebracht und von einer zu dem Gießkanal (13) koaxialen Gießöffnung (14) durchsetzt ist, einem Schiebeverschluß (22), der von einer Öffnung durchsetzt und derart an der Unterseite der festen Platte (21) montiert ist, daß er zwischen einer Position, in der den Durchfluß von in dem Behälter enthaltenem flüssigem Metall freigibt, und einer Position verschiebbar ist, in der er den Schmelzgutdurchgang sperrt, einer Anordnung aus Sokkel und externem Gießrohr (25) und einer Einrichtung zum Halten der Anordnung (24-25) aus Sockel und externem Gießrohr,
    dadurch gekennzeichnet,
    daß sie eine feste Bezugsplatte (23) aufweist, die fest in einer am Behälter angebrachten Aufnahme (20) montiert ist, wobei die feste Bezugsplatte (23) zwischen dem Schiebeverschluß (22) und der Anordnung (24-25) aus Sockel und externem Gießrohr angeordnet und von einer zum Gießkanal (17) des externen Gießrohrs (25) koaxialen Gießöffnung (16) derart durchsetzt ist, daß sie mit der Gießöffnung (15) des Schiebeverschlusses (22) in Verbindung ist, wen sich dieser in der den Durchfluß des flüssigen Metalls freigebenden Position befindet, und
    Klemmeinrichtungen (28-33) zum Drücken der festen Platte (21) und des Schiebeverschlusses (22) in Richtung auf die feste Bezugsplatte (23) und zum Halten des Schiebeverschlusses (22) in gegen die Oberseite der festen Bezugsplatte (23) geklemmter Stellung vorgesehen sind.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die feste Platte (21) in einem Tragkranz (28) befestigt ist und daß Klemmeinrichtungen (35, 36) zum Aufbringen einer vertikalen Druckkraft auf den Tragkranz (28), derart, daß die feste (21) und die bewegbare Platte (22) gegen die Bezugsplatte (23) gedrückt werden.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der Tragkranz (28) eine schräge Seitenflanke (30) aufweist, auf die eine Einrichtung (31) eine Druckkraft, die eine in Richtung auf die Bezugsplatte (23) gerichtete vertikale Komponente aufweist, aufbringt, um den Tragkranz (28) und die feste Platte (21) während der Bewegung des Verschlusses (22) zu stabilisieren.
  4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Klemmeinrichtungen (28-33) fest an einer die Vorrichtung umgebende Aufnahme (20) angebrachte Arme (33) aufweisen, die die Anordnung (24-25) aus Sockelplatte und externem Rohr stützen und gegen die Unterseite der Bezugsplatte (23) drücken.
  5. Vorrichtung nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die Achse (B-B) des die Bezugsplatte (23) und die Anordnung (24-25) aus Sockelplatte und externem Rohr durchquerenden Gießkanals horizontal in bezug auf die Achse (A-A) des Gießkanals (13) des Innenrohrs (12) des Behälters versetzt ist.
EP90912616A 1989-08-30 1990-08-17 Abdichtungsfähige giessanordung für einen metallurgischen behälter Expired - Lifetime EP0441927B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE8900926A BE1004402A6 (fr) 1989-08-30 1989-08-30 Dispositif de coulee obturable pour un conteneur siderurgique ou metallurgique.
BE8900926 1989-08-30
PCT/BE1990/000046 WO1991003339A1 (fr) 1989-08-30 1990-08-17 Dispositif de coulee obturable pour un conteneur siderurgique ou metallurgique

Publications (2)

Publication Number Publication Date
EP0441927A1 EP0441927A1 (de) 1991-08-21
EP0441927B1 true EP0441927B1 (de) 1994-12-14

Family

ID=3884301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90912616A Expired - Lifetime EP0441927B1 (de) 1989-08-30 1990-08-17 Abdichtungsfähige giessanordung für einen metallurgischen behälter

Country Status (19)

Country Link
US (1) US5170915A (de)
EP (1) EP0441927B1 (de)
JP (1) JP2793039B2 (de)
KR (1) KR100191890B1 (de)
AR (1) AR247499A1 (de)
AT (1) ATE115449T1 (de)
AU (1) AU638738B2 (de)
BE (1) BE1004402A6 (de)
BR (1) BR9006896A (de)
CA (1) CA2039140C (de)
CZ (1) CZ278014B6 (de)
DE (1) DE69015149T2 (de)
DK (1) DK0441927T3 (de)
ES (1) ES2068395T3 (de)
FI (1) FI92914C (de)
RU (1) RU2016699C1 (de)
TR (1) TR26464A (de)
WO (1) WO1991003339A1 (de)
ZA (1) ZA906884B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2760667A1 (fr) * 1997-03-14 1998-09-18 Int Ind Eng Sa Dispositif obturateur-regulateur de coulee continue a chaud, avec echangeur de busette perfectionne
WO2004052575A1 (en) * 2002-12-10 2004-06-24 Vesuvius Group S.A. Refractory plate for a device for the insertion and/or removal of a nozzle for a casting installation combined with a sliding plate flow-control device
EP1590114B2 (de) † 2003-01-20 2011-10-26 Vesuvius Group S.A Giessdüse, drückvorrichtung für eine giessdüse und giessanlage
EP2386368A1 (de) * 2010-03-19 2011-11-16 Vesuvius Group S.A Interne Düse für den Transfer von flüssigem Metall in einem Behälter, Einspannsystem für diese Düse und Ausflussvorrichtung
EP1149649B2 (de) † 2000-04-28 2016-05-18 Akechi Ceramics Kabushiki Kaisha Auswechselbare Giessdüze zum Kontinuierlichen Giessen

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0558594A4 (en) * 1990-11-21 1996-03-06 Broken Hill Pty Co Ltd Continuous casting of molten metal
BE1004092A3 (fr) * 1990-12-19 1992-09-22 Internat Ind Engineering S A Dispositif d'amenee et d'echange d'un tube de coulee.
BE1005987A3 (fr) * 1992-06-16 1994-04-12 Int Ind Eng Sa Dispositif de regulation d'un debit de coulee.
EP0603480A3 (en) * 1992-11-25 1997-09-17 Stopinc Ag Sliding closure in particular for a converter holding a bath of molten metal.
AU673390B2 (en) * 1993-01-20 1996-11-07 Nec Corporation An AGC circuit for burst signal
DE59601634D1 (de) * 1995-02-17 1999-05-20 Stopinc Ag Schieberverschluss-system für einen Metallschmelze enthaltenden Behälter
KR100369645B1 (ko) * 1997-06-27 2003-01-30 후보 엔지니어링 게엠베하 주조레이들의 운동을 제어하기 위한 방법 및 주조기계.
TW369448B (en) * 1997-07-16 1999-09-11 Stopinc Ag Sliding gate valve for a vessel containing molten metal
BE1013024A3 (fr) 1998-12-15 2001-08-07 Internat Ind Engineering S A Tube de coulee.
JP4669888B2 (ja) * 2008-01-16 2011-04-13 品川リフラクトリーズ株式会社 浸漬ノズル支持交換機構
JP6122393B2 (ja) 2014-02-25 2017-04-26 黒崎播磨株式会社 浸漬ノズル

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH420498A (de) * 1965-03-09 1966-09-15 Concast Ag Vorrichtung zum Verändern der Lage des Giessstrahles, insbesondere beim Stranggiessen
JPS514026A (ja) * 1974-07-01 1976-01-13 Sumitomo Shipbuild Machinery Toribeyosuraideingunozuru
AT349666B (de) * 1976-12-03 1979-04-25 Stopinc Ag Vorrichtung zum auswechseln von giessrohren
GB1597215A (en) * 1978-04-24 1981-09-03 Vesuvius Int Corp Device for replacing pouring tubes
US4415103A (en) * 1979-09-07 1983-11-15 Uss Engineers And Consultants, Inc. Full throttle valve and method of tube and gate change
US4573616A (en) * 1982-05-24 1986-03-04 Flo-Con Systems, Inc. Valve, clamp, refractory and method
EP0122904A3 (de) * 1983-03-21 1987-11-19 Vesuvius International Corporation Schieberverschluss für Behälter in der Stahl-Eisen Industrie oder Metallurgie
GB8412100D0 (en) * 1984-05-11 1984-06-20 Flogates Ltd Auxiliary attachment for molten metal vessels
US4887748A (en) * 1986-12-29 1989-12-19 J. W. Hicks, Inc. Apparatus and method for attachment of submerged nozzle to lower plate of sliding gate valve mechanism for a continuous casting operation
BE1000948A3 (fr) * 1987-10-02 1989-05-23 Internat Ind Engineering Sprl Tube de coulee pour dispositif de fermeture coulissante.

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2760667A1 (fr) * 1997-03-14 1998-09-18 Int Ind Eng Sa Dispositif obturateur-regulateur de coulee continue a chaud, avec echangeur de busette perfectionne
WO1998041344A1 (fr) * 1997-03-14 1998-09-24 Vesuvius Group S.A. Dispositif obturateur-regulateur de coulee continue a chaud, avec echangeur de busette perfectionne
US6213357B1 (en) * 1997-03-14 2001-04-10 Vesuvius Group Sa Nozzle exchanger
CN1072076C (zh) * 1997-03-14 2001-10-03 维苏维尤斯集团有限公司 具有改进喷嘴交换器的连续热浇铸的封闭调节装置
EP1149649B2 (de) † 2000-04-28 2016-05-18 Akechi Ceramics Kabushiki Kaisha Auswechselbare Giessdüze zum Kontinuierlichen Giessen
WO2004052575A1 (en) * 2002-12-10 2004-06-24 Vesuvius Group S.A. Refractory plate for a device for the insertion and/or removal of a nozzle for a casting installation combined with a sliding plate flow-control device
EP1590114B2 (de) † 2003-01-20 2011-10-26 Vesuvius Group S.A Giessdüse, drückvorrichtung für eine giessdüse und giessanlage
EP2386368A1 (de) * 2010-03-19 2011-11-16 Vesuvius Group S.A Interne Düse für den Transfer von flüssigem Metall in einem Behälter, Einspannsystem für diese Düse und Ausflussvorrichtung

Also Published As

Publication number Publication date
DE69015149D1 (de) 1995-01-26
AU6186590A (en) 1991-04-08
BE1004402A6 (fr) 1992-11-17
CZ278014B6 (en) 1993-07-14
DK0441927T3 (da) 1995-05-22
TR26464A (tr) 1995-03-15
JPH04501535A (ja) 1992-03-19
ZA906884B (en) 1991-06-26
CS415990A3 (en) 1992-03-18
CA2039140C (fr) 2001-11-06
AU638738B2 (en) 1993-07-08
EP0441927A1 (de) 1991-08-21
ES2068395T3 (es) 1995-04-16
CA2039140A1 (fr) 1991-03-01
FI912031A0 (fi) 1991-04-26
ATE115449T1 (de) 1994-12-15
FI92914C (fi) 1995-01-25
AR247499A1 (es) 1995-01-31
FI92914B (fi) 1994-10-14
RU2016699C1 (ru) 1994-07-30
JP2793039B2 (ja) 1998-09-03
WO1991003339A1 (fr) 1991-03-21
DE69015149T2 (de) 1995-06-29
US5170915A (en) 1992-12-15
BR9006896A (pt) 1992-01-28
KR100191890B1 (ko) 1999-06-15
KR920700817A (ko) 1992-08-10

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