EP0461340A1 - Nozzle for sliding gate valve - Google Patents

Nozzle for sliding gate valve Download PDF

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Publication number
EP0461340A1
EP0461340A1 EP91101400A EP91101400A EP0461340A1 EP 0461340 A1 EP0461340 A1 EP 0461340A1 EP 91101400 A EP91101400 A EP 91101400A EP 91101400 A EP91101400 A EP 91101400A EP 0461340 A1 EP0461340 A1 EP 0461340A1
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EP
European Patent Office
Prior art keywords
sheet metal
metal jacket
pouring device
cams
openings
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EP91101400A
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German (de)
French (fr)
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EP0461340B1 (en
EP0461340B2 (en
Inventor
Heinz Wertz
Winfried Kliewer
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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
    • 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
    • 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

Definitions

  • the invention relates to a pouring device for slide systems, which are used, for example, in steel ladles, with a substantially cylindrical sheet metal jacket which has a refractory lining on the inside, and a fastening device with which the pouring device is fastened to a slide plate.
  • Such pouring devices for slide systems which have an essentially cylindrical tube made of sheet steel, which has a collar at its end facing a steel ladle. An annular support ring is pushed over the tube in such a way that the support ring bears against the collar surface and engages with cams arranged on the support ring in a link arranged on the slide plate.
  • the inside of the tube is lined with refractory material.
  • the disadvantage of this pouring device is that an increase in the casting diameter is only possible in connection with a larger slide plate or by accepting a reduction in the wall thickness of the refractory lining.
  • the use of a larger slide plate has the disadvantage that the slide plate made of refractory material is very expensive.
  • the wall thickness of the refractory lining can only be reduced to a very limited extent for safety reasons. Firstly, by reducing the thickness of the lining greatly reduced the thermal insulation and, on the other hand, this reduction in the wall thickness increases the risk of steel breakthrough.
  • a pouring device with a thin-walled refractory lining can only be reused a few times, since the steel flowing through creates a high level of wear on the lining.
  • the object of the invention is to avoid the aforementioned disadvantages by creating a pouring device which can be quickly and easily attached to a slide plate and which, even after repeated use, has a high level of security against steel breakthrough.
  • the technical solution provides according to the invention that the essentially cylindrical sheet metal jacket and the fastening device are integrally connected to one another and that the sheet metal jacket and the refractory lining have a constant wall thickness.
  • a simple fastening is achieved in that the fastening device has a plurality of cams which are essentially rectangular and are fastened to the sheet metal jacket.
  • a particularly simple attachment can be achieved in that the cams have a collar which bears against the sheet metal jacket and is connected to it.
  • the sheet metal jacket has openings into which the cams are inserted from the inside and rest with the collar on the inner wall of the sheet metal jacket.
  • the assembly of the cams is very simple, since the cams are only inserted into the previously punched-out openings in the sheet metal jacket and then connected to the sheet metal jacket.
  • the shape of the cams and the openings and the collar arranged on the cams make it possible to machine the pouring device.
  • An easy assembly of the pouring device in the gate arranged on the slide plate is achieved in that the substantially rectangular cams have an inclined surface on their underside, which slides on a corresponding slide track when the pouring device is mounted on the slide plate.
  • the cams are preferably attached to the sheet metal jacket at regular intervals.
  • a particularly advantageous embodiment results when three cams are each attached to the sheet metal jacket offset by 120 °. This makes it possible to produce the pouring device inexpensively, which ensures sufficient stability of the pouring device on the slide plate and, furthermore, can be guided in the setting with sufficient stability.
  • the sheet metal jacket has a plurality of cams which are designed to be point or axisymmetric and are fastened in openings in the sheet metal jacket which are below the openings for the cams Attachment of the pouring device are arranged.
  • a tool is attached to this second cam, with the aid of which the pouring device can be screwed into the slide arranged on the slide plate or can be screwed out of it.
  • This tool can be, for example, manually or electrohydraulically driven pliers.
  • the cams for the attachment of a tool are circular.
  • the cams are preferably attached to the sheet metal jacket by means of spot welding. This ensures that the cams are connected to the sheet metal jacket with sufficient strength and that the welding process does not cause any major distortion of the sheet, which in some cases is very thin-walled.
  • the sheet metal jacket has an annular groove at its end facing the slide plate.
  • This annular groove which is designed, for example, as an inner bead, serves to stiffen the sheet metal jacket and enables a lining of refractory material applied uniformly to the inner surface of the sheet metal body.
  • the sheet metal jacket has at least one bulge around the sheet metal jacket, preferably an outer bead, at its lower end. With this bulge, the heat transfer between the sheet metal jacket and the connector arranged in this area when pouring the liquid steel is interrupted.
  • An essentially cylindrical sheet metal jacket 1 has an annular groove 14 at its end 5 facing a slide plate (not shown). At the opposite end 15 of the sheet metal jacket 1, which is conical, two outer beads 16 are arranged.
  • the sheet metal jacket 1 has a fireproof lining 2 on its inside.
  • openings 3 are punched at regular intervals, which are substantially rectangular, the end 5 facing edge 6 of the opening 3 is arranged at a sharp angle to the central axis 7.
  • the three remaining edges of the opening 3 are arranged either parallel or at right angles to the central axis 7.
  • a round opening 8 is punched into the sheet metal jacket 1 below each opening 3.
  • a total of three essentially rectangular openings 3 and three round openings 8 are punched into the sheet metal jacket 1, each of which is arranged offset by 120 ° in the sheet metal jacket 1.
  • a cam 4 is inserted, which has a shape corresponding to the opening and has a circumferential collar 11.
  • the collar 11 bears against the inner wall 9 of the sheet metal jacket 1 after the assembly of the cam 4.
  • the collar 11 is welded to the metal jacket 1. The welding process is carried out by means of spot welding.
  • cams 10 are also inserted, which also have a collar 11 and are fixed by means of spot welding to the inner wall 9 of the sheet metal jacket 1.
  • the pouring device for steel ladles according to the invention is produced in the following manner: In the essentially cylindrical sheet metal jacket 1, the three essentially rectangular openings 3, each offset by 120 °, and the three, each arranged under the rectangular openings 3, are punched at round openings 8. Then the cams 4, 10, which are deep-drawn from a sheet, are inserted into the corresponding openings 3, 8 from the inside, so that the collar 11 arranged on the cams 4, 10 bears against the inner wall 9 of the sheet metal jacket 1. The cams 4, 10 are then attached to the sheet metal jacket by means of spot welding processes.
  • the cams 4, 10 are poured out with refractory material. Finally, the refractory lining 2 is poured into the sheet metal jacket 1.
  • the pouring device After dam hardening the refractory lining 2 in the sheet metal jacket 1, the pouring device is inserted into the slide guide arranged on a slide plate in such a way that the cams 4 rest with the sloping surface 12 arranged on the cam underside 13 in the slide slide backdrop.
  • the pouring device By means of a tool, not shown in the figures, into which the cams 10 engage, the pouring device is rotated until the pouring device is seated firmly in the slide plate.
  • the pouring device can be removed from the slide plate in a corresponding manner. Due to its design, it is possible to use the pouring device several times.
  • the invention is not restricted to the exemplary embodiment shown. Several changes and modifications are possible without departing from the Rahman of the invention.
  • the cams 4 and 10 can have a different shape than that shown in the figures. It is also possible for Fernar to arrange more than three cams 4, each offset by 120 °, on the metal jacket 1.

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

Abstract

The invention relates to a nozzle for sliding gate systems used, for example, with steel casting ladles, having an essentially cylindrical sheet-metal jacket (1), which has a refractory lining (2) on its inside, and a fixing device by which the nozzle is fixed on a sliding gate valve plate. A nozzle which can be fixed rapidly and simply on a sliding gate valve plate and provides a high degree of security against steel fracture even after repeated use is created by virtue of the fact that the sheet-metal jacket (1) and the fixing device are connected to one another integrally and that the sheet-metal jacket (1) and the refractory lining (2) have a constant wall thickness. <IMAGE>

Description

Die Erfindung betrifft eine Ausgußvorrichtung für Schiebersysteme, die beispielsweise bei Stahl-Gießpfannen Anwendung finden, mit einem im wesentlichen zylindrischen Blechmantel, der an seiner Innenseite eine feuerfeste Auskleidung aufweist, und einer Befestigungsvorrichtung, mit der die Ausgußvorrichtung an einer Schieberplatte befestigt ist.The invention relates to a pouring device for slide systems, which are used, for example, in steel ladles, with a substantially cylindrical sheet metal jacket which has a refractory lining on the inside, and a fastening device with which the pouring device is fastened to a slide plate.

Es sind derartige Ausgußvorrichtungen für Schiebersysteme bekannt, die ein im wesentlichen zylindrisches Rohr aus Stahlblech aufweisen, das an seinem einer Stahl-Gießpfanne zugewandten Ende einen Kragen aufweist. Über das Rohr wird ein ringförmiger Tragring derart geschoben, daß der Tragring an der Kragenfläche anliegt und mit an dem Tragring angeordneten Nocken in eine an der Schieberplatte angeordnete Kulisse eingreift. Das Rohr ist an seiner Innenseite mit feuerfestem Material ausgekleidet.Such pouring devices for slide systems are known which have an essentially cylindrical tube made of sheet steel, which has a collar at its end facing a steel ladle. An annular support ring is pushed over the tube in such a way that the support ring bears against the collar surface and engages with cams arranged on the support ring in a link arranged on the slide plate. The inside of the tube is lined with refractory material.

Nachteil dieser Ausgußvorrichtung ist, daß eine Vergrößerung des Gießdurchmessers nur in Verbindung mit einer größeren Schieberplatte oder unter Inkaufnahme einer Verringerung der Wandungsstarke der Feuerfestauskleidung möglich ist. Die Verwendung einer größeren Schieberplatte hat jedoch den Nachteil, daß die Schieberplatte aus feuerfestem Material sehr kostenintensiv ist. Andererseits ist eine Verringerung der Wandungsstärke der feuerfesten Auskleidung aus Sicherheitsgründen nur in sehr beschränktem Maße möglich. Zum einen wird durch die Verringerung der Auskleidungsstärke die Wärmeisolierung sehr stark gemindert und zum anderen besteht durch diese Verringerung der Wandungsstärke eine erhöhte Stahldurchbruchgefahr. Auch kann eine Ausgußvorrichtung mit einer dünnwandigen Feuerfestauskleidung nur wenige Male wiederverwendet werden, da der durchfließende Stahl einen hohen Verschleiß der Auskleidung erzeugt.The disadvantage of this pouring device is that an increase in the casting diameter is only possible in connection with a larger slide plate or by accepting a reduction in the wall thickness of the refractory lining. However, the use of a larger slide plate has the disadvantage that the slide plate made of refractory material is very expensive. On the other hand, the wall thickness of the refractory lining can only be reduced to a very limited extent for safety reasons. Firstly, by reducing the thickness of the lining greatly reduced the thermal insulation and, on the other hand, this reduction in the wall thickness increases the risk of steel breakthrough. Also, a pouring device with a thin-walled refractory lining can only be reused a few times, since the steel flowing through creates a high level of wear on the lining.

Die Verwendung eines Tragrings in Form eines Bajonetts Zur Befestigung der Ausgußvorrichtung an der Schieberplatte hat den Nachteil, daß diese Konstruktion nur eine sehr geringe Stabilität aufweist. Ferner kommt es durch das Bajonett zu mechanischen Belastungen der Ausgußvorrichtung, die wiederum eine verstärkte Rißbildung in der feuerfesten Auskleidung nach sich ziehen. Aus dieser Rißbildung resultieren wiederum eine geringe Wiederverwendbarkeit der Ausgußvorrichtung und eine hohe Stahldurchbruchgefahr.The use of a support ring in the form of a bayonet for fastening the pouring device to the slide plate has the disadvantage that this construction has very little stability. Furthermore, the bayonet causes mechanical stress on the pouring device, which in turn leads to increased crack formation in the refractory lining. This crack formation in turn results in low reusability of the pouring device and a high risk of steel breakthrough.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, unter Meidung der zuvor genannten Nachteile eine Ausgußvorrichtung zu schaffen, die schnell und einfach an einer Schieberplatte befestigbar ist und die auch nach mehrmaliger Verwendung eine hohe Sicherheit gegen Stahldurchbruch aufweist.Proceeding from this prior art, the object of the invention is to avoid the aforementioned disadvantages by creating a pouring device which can be quickly and easily attached to a slide plate and which, even after repeated use, has a high level of security against steel breakthrough.

Die technische Lösung sieht erfindungsgemäß vor, daß der im wesentlichen zylindrische Blechmantel und die Befestigungsvorrichtung einteilig miteinander verbunden sind und daß der Blechmantel und die feuerfeste Auskleidung eine gleichbleibende Wandstärke aufweisen.The technical solution provides according to the invention that the essentially cylindrical sheet metal jacket and the fastening device are integrally connected to one another and that the sheet metal jacket and the refractory lining have a constant wall thickness.

Durch diese Ausgestaltung wird die Stahldurchbruchgefahr gemindert, da die gleichbleibende Wandstärke der feuerfesten Auskleidung keine Schwächezonen aufweist. Ferner wird mit der erfindungsgemäßen Ausgußvorrichtung eine gleichbleibende Isolierung über die gesamte Länge des zylindrischen Blechmantels erzielt. Auch wird der Blechmantel nicht durch einen Adapter oder einen Bajonettring auf der Außenseite belastet, so daß es hier nicht zu Rissen in der feuerfesten Auskleidung kommen kann.This configuration reduces the risk of steel breakthrough, since the constant wall thickness of the refractory lining has no weak zones. Furthermore, with the invention Pouring device achieved consistent insulation over the entire length of the cylindrical sheet metal jacket. Also, the sheet metal jacket is not loaded by an adapter or a bayonet ring on the outside, so that there can be no cracks in the refractory lining.

Eine einfache Befestigung wird dadurch erzielt, daß die Befestigungsvorrichtung mehrere Nocken aufweist, die im wesentlichen rechteckig ausgebildet und an dem Blechmantel befestigt sind. Eine besonders einfache Befestigung läßt sich dadurch erzielen, daß die Nocken einen Kragen aufweisen, der an dem Blechmantel anliegt und mit diesem verbunden ist.A simple fastening is achieved in that the fastening device has a plurality of cams which are essentially rectangular and are fastened to the sheet metal jacket. A particularly simple attachment can be achieved in that the cams have a collar which bears against the sheet metal jacket and is connected to it.

Bei einer bevorzugten Ausführungsform der Erfindung weist der Blechmantel Öffnungen auf, in die die Nocken von innen her eingesetzt sind und mit dem Kragen an der Innenwand des Blechmantels anliegen. Bei dieser Ausgestaltung ist die Montage der Nocken sehr einfach, da die Nocken lediglich in die zuvor ausgestanzten Öffnungen des Blechmantels eingelegt werden und anschließend mit dem Blechmantel verbunden werden. Durch die Formgebung der Nocken und der Öffnungen sowie durch den an den Nocken angeordneten Kragen ist such eine maschinelle Fertigung der Ausgußvorrichtung möglich.In a preferred embodiment of the invention, the sheet metal jacket has openings into which the cams are inserted from the inside and rest with the collar on the inner wall of the sheet metal jacket. In this configuration, the assembly of the cams is very simple, since the cams are only inserted into the previously punched-out openings in the sheet metal jacket and then connected to the sheet metal jacket. The shape of the cams and the openings and the collar arranged on the cams make it possible to machine the pouring device.

Eine leichte Montage der Ausgußvorrichtung in der an der Schieberplatte angeordneten Kulisse wird dadurch erzielt, daß die im wesentlichen rechteckigen Nocken an ihrer Unterseite eine Schrägfläche haben, welche bei der Montage der Ausgußvorrichtung an der Schieberplatte auf einer entsprechenden Kulissenbahn gleitet.An easy assembly of the pouring device in the gate arranged on the slide plate is achieved in that the substantially rectangular cams have an inclined surface on their underside, which slides on a corresponding slide track when the pouring device is mounted on the slide plate.

Die Nocken sind vorzugsweise im regelmäßigen Abstand an dem Blechmantel befestigt. Eine besonders vorteilhafte Ausgestaltung ergibt sich, wenn drei Nocken jeweils um 120° versetzt an dem Blechmantel befestigt sind. Hierdurch ist eine kostengünstige Herstellung der Ausgußvorrichtung möglich, die eine ausreichende Stabilität der Ausgußvorrichtung an der Schieberplatte gewährleistet und ferner mit ausreichender Stabilität in der Kulisse führbar ist.The cams are preferably attached to the sheet metal jacket at regular intervals. A particularly advantageous embodiment results when three cams are each attached to the sheet metal jacket offset by 120 °. This makes it possible to produce the pouring device inexpensively, which ensures sufficient stability of the pouring device on the slide plate and, furthermore, can be guided in the setting with sufficient stability.

Um die Montage der Ausgußvorrichtung an der Schieberplatte bzw. die Demontage der Ausgußvorrichtung zu vereinfachen ist es vorteilhaft, wenn der Blechmantel mehrere Nocken aufweist, die punkt- oder achsensymmetrisch ausgebildet sind und in Öffnungen des Blechmantels befestigt sind, die unterhalb der Öffnungen für die Nocken zur Befestigung der Ausgußvorrichtung angeordnet sind. An diesen zweiten Nocken wird ein Werkzeug angesetzt, mit dessen Hilfe die Ausgußvorrichtung in die an der Schieberplatte angeordneten Kulisse eingedreht oder aus dieser herausgedreht werden kann. Dieses Werkzeug kann beispielsweise eine manuell oder elektrohydraulisch angetriebene Zange sein. Bei einer Weiterbildung der erfindungsgemäßen Ausgußvorrichtung sind die Nocken für den Ansatz eines Werkzeugs kreisförmig ausgebildet.In order to simplify the assembly of the pouring device on the slide plate or the dismantling of the pouring device, it is advantageous if the sheet metal jacket has a plurality of cams which are designed to be point or axisymmetric and are fastened in openings in the sheet metal jacket which are below the openings for the cams Attachment of the pouring device are arranged. A tool is attached to this second cam, with the aid of which the pouring device can be screwed into the slide arranged on the slide plate or can be screwed out of it. This tool can be, for example, manually or electrohydraulically driven pliers. In a development of the pouring device according to the invention, the cams for the attachment of a tool are circular.

Die Nocken werden vorzugsweise mittels Punktschweißung an dem Blechmantel befestigt. Hierdurch ist gewährleistet, daß die Nocken mit einer ausreichenden Festigkeit mit dam Blechmantel verbunden sind und daß durch den Schweißvorgang kein großer Verzug des zum Teil sehr dünnwandigen Bleches auftritt.The cams are preferably attached to the sheet metal jacket by means of spot welding. This ensures that the cams are connected to the sheet metal jacket with sufficient strength and that the welding process does not cause any major distortion of the sheet, which in some cases is very thin-walled.

Bei einer Weiterentwicklung dar erfindungsgemäßen Ausgußvorrichtung ist vorgesehen, daß der Blechmantel an seinem der Schieberplatte zugewandten Ende aine Ringnut aufweist. Diese Ringnut, welche beispielsweise als Innensicke ausgebildet ist, dient dar Versteifung des Blechmantels und ermöglicht eine gleichmäßig auf die Innenfläche des Blechkörpers aufgetragene Auskleidung aus feuerfestem Material.In a further development of the pouring device according to the invention it is provided that the sheet metal jacket has an annular groove at its end facing the slide plate. This annular groove, which is designed, for example, as an inner bead, serves to stiffen the sheet metal jacket and enables a lining of refractory material applied uniformly to the inner surface of the sheet metal body.

Schließlich wird bei einar Weiterentwicklung erfindungsgemäß vorgeschlagen, daß der Blechmantel an seinem unteren Ende mindestens eine um den Blechmantel umlaufende Aufwölbung, vorzugsweise eine Außensicke aufweist. Mit dieser Aufwölbung wird die Wärmeübertragung zwischen dam Blechmantel und des beim Gießan des flüssigen Stahls in diesem Bereich angeordneten Anschlußstücks unterbrochen.Finally, in a further development it is proposed according to the invention that the sheet metal jacket has at least one bulge around the sheet metal jacket, preferably an outer bead, at its lower end. With this bulge, the heat transfer between the sheet metal jacket and the connector arranged in this area when pouring the liquid steel is interrupted.

Weitere Einzelheiten und Vorteile ergeben sich aus der nachfolgenden Beschreibung dar zugehörigen Zeichnung, in dar eine bevorzugte Ausführungsform einer erfindungsgemäß ausgebildeten Ausgußvorrichtung schematisch dargestellt worden ist. In der Zeichnung zeigen:

Fig. 1
eine Ausgußvorrichtung in Seitenansicht;
Fig. 2
die Ausgußvorrichtung gemäß Fig. 1 in einer teilweise geschnitten dargestellten Seitenansicht;
Fig. 3
die Ausgußvorrichtung gemäß den Figuren 1 und 2 in einem Querschnitt gemäß der Schnittlinie III-III;
Fig. 4
einen Befestigungsnocken in Ansicht;
Fig. 5
den Befestigungsnocken gemäß Fig. 4 in einer Seitenansicht und
Fig. 6
einen Nocken zum Ansetzan eines Werkzeuges in Ansicht.
Further details and advantages result from the following description of the accompanying drawing, in which a preferred embodiment of a pouring device designed according to the invention has been shown schematically. The drawing shows:
Fig. 1
a pouring device in side view;
Fig. 2
the pouring device of Figure 1 in a partially sectioned side view.
Fig. 3
the pouring device according to Figures 1 and 2 in a cross section along the section line III-III;
Fig. 4
a mounting cam in view;
Fig. 5
4 in a side view and
Fig. 6
a cam for attaching a tool in view.

Ein im wesentlichen zylindrischer Blechmantel 1 weist an seinem einer nicht dargestellten Schieberplatte zugewandten Ende 5 eine Ringnut 14 auf. Am gegenüberliegenden Ende 15 des Blechmantels 1, welches konisch ausgebildet ist, sind zwei Außensicken 16 angeordnet. Der Blechmantal 1 hat an seiner Innenseite eine feuerfeste Auskleidung 2.An essentially cylindrical sheet metal jacket 1 has an annular groove 14 at its end 5 facing a slide plate (not shown). At the opposite end 15 of the sheet metal jacket 1, which is conical, two outer beads 16 are arranged. The sheet metal jacket 1 has a fireproof lining 2 on its inside.

An dam der nicht dargestellten Schieberplatte zugewandten Ende 5 des Blechmantels 1 sind in regelmäßigan Abständen Öffnungen 3 gestanzt, welche im wesentlichen rechteckig ausgebildet sind, wobei die dem Ende 5 zugewandte Kante 6 der Öffnung 3 unter einam spitzan Winkel zur Mittelachse 7 angeordnet ist. Die drei restlichen Kanten der Öffnung 3 sind entweder parallel oder rechtwinklig zur Mittelachse 7 angeordnet.At the dam 5 not shown facing the plate 5 of the sheet metal jacket 1 openings 3 are punched at regular intervals, which are substantially rectangular, the end 5 facing edge 6 of the opening 3 is arranged at a sharp angle to the central axis 7. The three remaining edges of the opening 3 are arranged either parallel or at right angles to the central axis 7.

Unterhalb einer jeden Öffnung 3 ist jeweils eine runde Öffnung 8 in den Blechmantel 1 gestanzt. Insgesamt sind in den Blechmantel 1 drei im wesentlichen rechteckige Öffnungen 3 und drei runde Öffnungen 8 gestanzt, die jeweils um 120° versetzt in dem Blechmantel 1 angeordnet sind.A round opening 8 is punched into the sheet metal jacket 1 below each opening 3. A total of three essentially rectangular openings 3 and three round openings 8 are punched into the sheet metal jacket 1, each of which is arranged offset by 120 ° in the sheet metal jacket 1.

In jede im wesentliche rechteckige Öffnung 3 ist ein Nocken 4 eingesetzt, der eine der Öffnung entsprechende Form aufweist und einen umlaufenden Kragen 11 hat. Der Kragen 11 liegt nach der Montage des Nockens 4 an der Innenwand 9 des Blechmantels 1 an. Zur Befestigung der Nocken 4 an dam Blechmantel wird dar Kragen 11 an dam Blechmantel 1 angeschweißt. Der Schweißvorgang erfolgt mittels Punktschweißung.In each substantially rectangular opening 3, a cam 4 is inserted, which has a shape corresponding to the opening and has a circumferential collar 11. The collar 11 bears against the inner wall 9 of the sheet metal jacket 1 after the assembly of the cam 4. To attach the cams 4 to the metal jacket, the collar 11 is welded to the metal jacket 1. The welding process is carried out by means of spot welding.

In die runden Öffnungen 8 sind ebenfalls Nocken 10 eingesetzt, die ebenfalls einen Kragen 11 aufweisen und mittels Punktschweißung an der Innenwand 9 des Blechmantels 1 befestigt sind.In the round openings 8 cams 10 are also inserted, which also have a collar 11 and are fixed by means of spot welding to the inner wall 9 of the sheet metal jacket 1.

Die Herstellung der erfindungsgemäßen Ausgußvorrichtung für Stahl-Gießpfannen erfolgt in der nachfolgenden Weise:
In den im wesentlichen zylindrischen Blechmantel 1 werden die drei um jeweils 120° versetzten, im wesentlichen rechteckigen Öffnungen 3 und die drei jeweils unter den rechteckigen Öffnungen 3 angeordnetan runden Öffnungen 8 eingestanzt. Anschließend werden die aus einem Blech tiefgezogenan Nocken 4,10 in die entsprechenden Öffnungen 3,8 von innen eingelegt, so daß der an den Nocken 4,10 angeordnete Kragen 11 an dar Innenwand 9 des Blechmantels 1 anliegt. Anschließend werden die Nocken 4,10 mittels Punktschweißverfahren an dem Blechmantel befestigt.The pouring device for steel ladles according to the invention is produced in the following manner:
In the essentially cylindrical sheet metal jacket 1, the three essentially rectangular openings 3, each offset by 120 °, and the three, each arranged under the rectangular openings 3, are punched at round openings 8. Then the cams 4, 10, which are deep-drawn from a sheet, are inserted into the corresponding openings 3, 8 from the inside, so that the collar 11 arranged on the cams 4, 10 bears against the inner wall 9 of the sheet metal jacket 1. The cams 4, 10 are then attached to the sheet metal jacket by means of spot welding processes.

Im Anschluß an das Befestigen der Nocken 4,10 an dem Blechmantel 1 werden die Nocken 4,10 mit feuerfestem Material ausgegossen. Schließlich wird in den Blechmantel 1 die feuerfeste Auskleidung 2 eingegossen.Following the fastening of the cams 4, 10 on the sheet metal jacket 1, the cams 4, 10 are poured out with refractory material. Finally, the refractory lining 2 is poured into the sheet metal jacket 1.

Nach dam Aushärten dar feuerfesten Auskleidung 2 in den Blechmantel 1 wird die Ausgußvorrichtung in die an einer Schieberplatte angeordnete Kulissenführung derart eingesetzt, daß die Nocken 4 mit der an der Nockenunterseite 13 angeordneten Schrägfläche 12 in dar Kulisse der Schieberplatte aufliegen. Mittels eines in den Figuren nicht dargestellten Werkzeuges, in das die Nocken 10 eingreifen, wird die Ausgußvorrichtung gedreht, bis die Ausgußvorrichtung fest in der Schieberplatte sitzt.After dam hardening the refractory lining 2 in the sheet metal jacket 1, the pouring device is inserted into the slide guide arranged on a slide plate in such a way that the cams 4 rest with the sloping surface 12 arranged on the cam underside 13 in the slide slide backdrop. By means of a tool, not shown in the figures, into which the cams 10 engage, the pouring device is rotated until the pouring device is seated firmly in the slide plate.

Nach Beendigung des Gußvorgangs kann die Ausgußvorrichtung in entsprechender Weise von der Schieberplatte entfernt werden. Durch ihre Ausgestaltung ist es möglich, die Ausgußvorrichtung mehrmals zu verwenden.After the casting process has ended, the pouring device can be removed from the slide plate in a corresponding manner. Due to its design, it is possible to use the pouring device several times.

Die Erfindung ist nicht auf das dargestellte Ausführungsbeispiel beschränkt. Es sind mehrere Änderungen und Abwandlungen möglich, ohne den Rahman dar Erfindung zu verlassen. Beispielsweise können die Nocken 4 und 10 eine andere Form aufweisen, als die in den Figuren dargestellte. Fernar ist es such möglich, mehr als drei um jeweils 120° versetzte Nocken 4 an dam Blechmantel 1 anzuordnen.The invention is not restricted to the exemplary embodiment shown. Several changes and modifications are possible without departing from the Rahman of the invention. For example, the cams 4 and 10 can have a different shape than that shown in the figures. It is also possible for Fernar to arrange more than three cams 4, each offset by 120 °, on the metal jacket 1.

BezugszeichenlisteReference symbol list

11
BlechmantelSheet metal jacket
22nd
Auskleidunglining
33rd
Öffnungopening
44th
Nockencam
55
EndeThe End
66
KanteEdge
77
MittelachseCentral axis
88th
Öffnungopening
99
InnenwandInterior wall
1010th
Nockencam
1111
Kragencollar
1212
SchrägflächeSloping surface
1313
NockenunterseiteCam underside
1414
RingnutRing groove
1515
EndeThe End
1616
AußensickeOuter bead

Claims (12)

Ausgußvorrichtung für Schiebersysteme, die beispielsweise bei Stahl-Gießpfannen Anwendung finden, mit einem im wesentlichen zylindrischen Blechmantel (1), der an seiner Innenseite eine feuerfeste Auskleidung (2) aufweist, und einer Befestigungsvorrichtung, mit der die Ausgußvorrichtung an einer Schieberplatte befestigt ist,
dadurch gekennzeichnet,
daß der Blechmantel (1) und die Befestigungsvorrichtung einteilig miteinander verbunden sind und
daß der Blechmantel (1) und die feuerfeste Auskleidung (2) eine gleichbleibende Wandstärke aufweisen.Pouring device for slide systems, which are used for example in steel ladles, with an essentially cylindrical sheet metal jacket (1), which has a fire-resistant lining (2) on the inside, and a fastening device with which the pouring device is fastened to a slide plate,
characterized,
that the sheet metal jacket (1) and the fastening device are integrally connected to one another and
that the sheet metal jacket (1) and the refractory lining (2) have a constant wall thickness. Ausgußvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Befestigungsvorrichtung mehrere Nocken (4) aufweist, die im wesentlichen rechteckig ausgebildet sind und an dem Blechmantel (1) befestigt sind.Pouring device according to claim 1, characterized in that the fastening device has a plurality of cams (4) which are essentially rectangular and are fastened to the sheet metal jacket (1). Ausgußvorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Nockens(4) einen Kragen (11) aufweisen.Pouring device according to claim 2, characterized in that the cams (4) have a collar (11). Ausgußvorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß der Blechmantel (1) Öffnungen (3) aufweist, in die die Nocken (4) von innen her eingesetzt sind und mit dem Kragen (11) an der Innenwand (9) das Blechmantels (1) anliegen.Pouring device according to claim 2 or 3, characterized in that the sheet metal jacket (1) has openings (3) into which the cams (4) are inserted from the inside and with the collar (11) on the inner wall (9) the sheet metal jacket ( 1) concern. Ausgußvorrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß die Nocken (4) an ihrer Unterseite (13) eine Schrägfläche (12) haben.Pouring device according to one of claims 2 to 4, characterized in that the cams (4) have an inclined surface (12) on their underside (13). Ausgußvorrichtung nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß die Nocken (4) im regelmäßigen Abstand an dam Blechmantel (1) befestigt sind.Pouring device according to one of Claims 2 to 5, characterized in that the cams (4) are fastened to the sheet metal jacket (1) at regular intervals. Ausgußvorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß drei Nocken (4) jeweils um 120° versetzt an dam Blechmantel (1) befestigt sind.Pouring device according to claim 6, characterized in that three cams (4), each offset by 120 °, are attached to the sheet metal jacket (1). Ausgußvorrichtung nach einam dar Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Blechmantel (1) mehrere Nocken (10) aufweist, die punkt- oder achsensymmetrisch ausgebildet sind und in Öffnungen (8) des Blechmantels (1) befestigt sind, die unterhalb der Öffnungen (3) für die Nocken (4) Zur Befestigung dar Ausgußvorrichtung angeordnet sind.Pouring device according to einam dar claims 1 to 7, characterized in that the sheet metal jacket (1) has a plurality of cams (10) which are point or axisymmetric and are fixed in openings (8) of the sheet metal jacket (1) which are below the openings (3) for the cams (4) are arranged for fastening the pouring device. Ausgußvorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die Nocken (10) kreisförmig ausgebildet sind.Pouring device according to claim 8, characterized in that the cams (10) are circular. Ausgußvorrichtung nach einem der Ansprüche 2 bis 9, dadurch gekennzeichnet, daß die Nocken (4,10) mittels Punktschweißung an dem Blechmantal (1) befestigt sind.Pouring device according to one of Claims 2 to 9, characterized in that the cams (4, 10) are fixed to the sheet metal shell (1) by means of spot welding. Ausgußvorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß dar Blechmantel (1) an seinem der Schieberplatte zugewandten Ende (5) eine Ringnut (14) aufweist.Pouring device according to one of claims 1 to 10, characterized in that the sheet metal jacket (1) has an annular groove (14) at its end (5) facing the slide plate. Ausgußvorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der Blechmantal (1) an seinem unteren Ende (15) mindestens eine um den Blechmantal (1) umlaufende Aufwölbung, vorzugsweise eine Außensicke (16) aufweist.Pouring device according to one of claims 1 to 11, characterized in that the sheet metal shell (1) has at its lower end (15) at least one curvature around the sheet metal shell (1), preferably an outer bead (16).
EP91101400A 1990-06-02 1991-02-02 Nozzle for sliding gate valve Expired - Lifetime EP0461340B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9006264U 1990-06-02
DE9006264U DE9006264U1 (en) 1990-06-02 1990-06-02

Publications (3)

Publication Number Publication Date
EP0461340A1 true EP0461340A1 (en) 1991-12-18
EP0461340B1 EP0461340B1 (en) 1996-04-03
EP0461340B2 EP0461340B2 (en) 2001-11-21

Family

ID=6854359

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91101400A Expired - Lifetime EP0461340B2 (en) 1990-06-02 1991-02-02 Nozzle for sliding gate valve

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Country Link
EP (1) EP0461340B2 (en)
DE (2) DE9006264U1 (en)
ES (1) ES2086425T5 (en)
GR (1) GR3019558T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1875979A1 (en) * 2006-07-04 2008-01-09 Indref oy Submerged entry nozzle for molten metal

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9006264U1 (en) * 1990-06-02 1990-08-09 Wertz, Heinz, 4000 Duesseldorf, De

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845943A (en) * 1973-10-26 1974-11-05 J Shapland Refractory pouring tube
GB1379236A (en) * 1972-07-27 1975-01-02 Singer A R E Nozzles for molten metals
FR2565859A1 (en) * 1984-06-19 1985-12-20 Flo Con Syst SLIDING VALVE FOR CASTING CONTAINER, PLATE AND COLORING NOZZLE FOR THIS VALVE
DE9006264U1 (en) * 1990-06-02 1990-08-09 Wertz, Heinz, 4000 Duesseldorf, De

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE23022T1 (en) * 1981-11-25 1986-11-15 Stein Refractories REFRACTORY COMPONENTS.
IT1142623B (en) * 1981-12-22 1986-10-08 Flocon Italiana PROCEDURE FOR REGENERATING A MOBILE PLATE OF A CASTING DRAWER OF A LADDER
US4561573A (en) † 1982-08-20 1985-12-31 Flo-Con Systems, Inc. Valve and replaceable collector nozzle
GB8507277D0 (en) * 1985-03-20 1985-04-24 British Steel Corp Refractory component
GB2220875A (en) * 1988-01-27 1990-01-24 Vesuvius France Sa Integral slide-valve member and casting tube member

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1379236A (en) * 1972-07-27 1975-01-02 Singer A R E Nozzles for molten metals
US3845943A (en) * 1973-10-26 1974-11-05 J Shapland Refractory pouring tube
FR2565859A1 (en) * 1984-06-19 1985-12-20 Flo Con Syst SLIDING VALVE FOR CASTING CONTAINER, PLATE AND COLORING NOZZLE FOR THIS VALVE
DE9006264U1 (en) * 1990-06-02 1990-08-09 Wertz, Heinz, 4000 Duesseldorf, De

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1875979A1 (en) * 2006-07-04 2008-01-09 Indref oy Submerged entry nozzle for molten metal

Also Published As

Publication number Publication date
GR3019558T3 (en) 1996-07-31
DE9006264U1 (en) 1990-08-09
ES2086425T5 (en) 2002-05-16
EP0461340B1 (en) 1996-04-03
ES2086425T3 (en) 1996-07-01
EP0461340B2 (en) 2001-11-21
DE59107640D1 (en) 1996-05-09

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