EP1318883B1 - Strip casting machine for production of a metal strip - Google Patents
Strip casting machine for production of a metal strip Download PDFInfo
- Publication number
- EP1318883B1 EP1318883B1 EP01966929A EP01966929A EP1318883B1 EP 1318883 B1 EP1318883 B1 EP 1318883B1 EP 01966929 A EP01966929 A EP 01966929A EP 01966929 A EP01966929 A EP 01966929A EP 1318883 B1 EP1318883 B1 EP 1318883B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- casting
- strip
- rolls
- casting machine
- 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
Links
- 238000005266 casting Methods 0.000 title claims description 70
- 239000002184 metal Substances 0.000 title claims description 28
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 238000007789 sealing Methods 0.000 claims description 17
- 239000011261 inert gas Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Definitions
- the invention relates to a strip casting machine for producing a metal strip according to the preamble of claim 1.
- the document JP-A-62077151 (D1) shows a strip casting machine with two casting rolls, in which these casting rolls are arranged together with a tundish as a distributor vessel in a housing.
- the housing has a gas inlet and a gas outlet, so that the interior of the housing can be filled with an inert gas.
- the disadvantage here is that the system is difficult to access, because in operation, almost everything is completed and it can be very difficult controls performed.
- the present invention was the object of the present invention to provide a bending measuring machine according to the type mentioned, with a perfect seal against the ambient air of both the metal bath and the metal strip produced as well as the casting rolls and also a simplified operation and repair of the machine is possible ,
- a longitudinal housing with a chamber adjoins the housing for the metal strip emerging below between these casting rolls through the formed casting gap, the chamber formed by the housing being connected by an opening to the following chamber of the longitudinal housing.
- FIG. 1 shows a strip casting machine 20 of a metal strip 15 which can be produced in a continuous casting process, in particular one Steel strip.
- This strip casting machine 20 stands on a platform 12 and is supplied with molten metal 16 from a distributor vessel 18 above it, as is known in conventional continuous casting plants.
- the distributor vessel 18 has a pouring opening 17, which can be closed with a stopper 19 or the like, with a pouring tube 13 extending between the casting rolls 22, 24, through which the melt can flow.
- this strip casting machine 20 has two substantially parallel juxtaposed casting rolls 22, 24 with approximately horizontal axis of rotation, which are provided on both end faces, each with a side seal, creating a completely closed opening is formed with a downwardly open casting gap.
- the casting rolls 22, 24 are rotatably mounted on both sides on a respective indicated machine stand and are driven in a controlled manner by a respective motor integrated therein.
- the casting rolls 22, 24 are surrounded by a closable housing 30 which has on its upper side an opening 30 'for the pouring tube 13 extending between the casting rolls 22, 24 and on the underside an opening 30 "for the emerging metal strip 15 these openings 30 ', 30 "are sealed and the chamber 33 is filled in the housing during the casting with a protective gas, preferably an inert gas.
- a protective gas preferably an inert gas.
- a plurality of openings 30 ' which may be round or slot-shaped, with or without a pouring tube may also be present on the upper side.
- This box-shaped housing 30 is very advantageously arranged both laterally and above spaced from the casting rolls 22, 24 and the machine frame, so that no sealing elements must be provided to protect against outside, as for example in the casting machine according to the initially mentioned document EP-A-0 780 177 is required.
- this housing 30 On top of this housing 30 is provided with two horizontally disposed doors 35 which are designed such that they are displaceable from the closed position shown in Figure 1 in a horizontally pushed away position. For this purpose, they are guided laterally in corresponding, not illustrated, rails, wherein they are advantageously lowered into the closed position shown in order to achieve the intended tightness of the housing 30.
- this one door would have a size approximately equal to the two doors 35 shown and thus be provided with the opening 30 'for the melt passage.
- the housing 30 are laterally also associated with doors 36 closable openings 39, which serve that the side seals of the casting rolls 22, 24 of each one outside the housing 30 movable manipulator 40 from the operating position shown by these openings 39 from the or can be guided in the housing 30.
- the respective manipulator 40 has for this purpose a holding arm 41 and a height-adjustable drive 42. It can be moved from an operating to a retracted maintenance position and vice versa. In the operating position of the manipulator 40, a seal of the non-closed opening 39 can be brought about by means of a separate protective sheath 38, this protective sheath 38 enclosing the manipulator 40 and thus striking against the housing 30 laterally.
- still cassettes 88 are indicated for the introduction and removal of side seals.
- the cast metal strip 15 is guided below the housing 30 in an additional longitudinal housing 44, which forms a chamber 45, in which also a protective gas is included to the metal strip 15 from contact with oxygen and thus in particular before to protect a scale formation.
- a protective gas is included to the metal strip 15 from contact with oxygen and thus in particular before to protect a scale formation.
- this chamber 44 a plurality of rollers 46 and press rollers 47 are arranged so that the metal strip 15 is guided through this longitudinal housing 44 and through a sealed end opening 48 in it. After exiting this housing 44, this until then cooled metal strip can be rolled up or otherwise processed, for example.
- the longitudinal housing 44 has a depression 49 below the opening 30 "or the casting gap 15 ', in which a collecting container 52 provided in a plant floor is present Above this container 52 still pivotable guide flaps 54, 55 are arranged, which form a passage in the illustrated position, while serving in the dot-dashed pivot position 54 ', 55' as a guide track of the metal strip 15.
- the upper opening 30 'in the housing 30 is sealed by a bellows 11 or the like connecting the vessel 18 to it, this sleeve-shaped bellows 11 enclosing the pouring tube 13.
- the pouring tube could also be omitted and provided a freewheel.
- the lower opening 30 "of the housing where the belt 15 passes may be sealed as a sealing device by a gas shield created by nozzles 34. In principle, however, this sealing device could be omitted and the opening 30" could open into the chamber 45 throughout.
- the housing 30 has a supply line not shown in detail for the injection of inert gas into the interior. Shielding gas can also be passed in addition to the provided with a lid distribution vessel 18. The introduced into the housing 30 gas can be cooled by a gas circuit and recycled. After completion of a casting process and before the opening of the housing, the inert gas can be sucked into a memory and optionally the air is filtered out in this.
- Fig.2 and Fig.3 show a principle of a variant of a strip casting machine, which is designed to be the same as that of Figure 1 in itself.
- a housing 60 is provided, in which according to the invention the casting rolls 22, 24 are surrounded by their shell width and end faces and the side seals 62 of the multi-part housing 60, but not of the axes 64 of the casting rolls 22, 24 overlapping engine stand 61st
- This housing 60 encloses the axes and also the drive 66 of the seals 62 on both sides of the casting rolls. On the upper side, it is arranged at a distance from the indicated melt container 18.
- the multi-part housing 60 is provided at the transition to a longitudinal housing 65 with a base foot 67, the upper a fastening member 69 can be fastened to this longitudinal housing.
- the longitudinal housing 65 is advantageously completely closed and has only a sealed outlet for the cast metal strip 15.
- FIG. 4 shows a strip casting machine according to the invention, again with two casting rolls 22, 24, which are contained in a housing 80.
- This Housing 80 consists of a double-walled side wall 81 and a door 82 which is held raised, as indicated by the lifted door 82 '.
- the housing 80 surrounds the casting rolls 22, 24 and the side seals 83.
- the housing has at the bottom an opening 84 which opens into the chamber 85 'of a longitudinal housing 85.
- This housing 80 is positioned in a frame 88 having wheels 87 which are guided on rails 89.
- both the housing 80 and the longitudinal housing 85 are advantageously water-cooled so that they do not overheat with continuous operation.
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- Continuous Casting (AREA)
Description
Die Erfindung betrifft eine Bandgiessmaschine zur Erzeugung eines Metallbandes nach dem Oberbegriff des Anspruches 1.The invention relates to a strip casting machine for producing a metal strip according to the preamble of claim 1.
Bei einer gattungsmässigen Bandgiessmaschine gemäss der Druckschrift WO-A-97/34718 sind die horizontal angeordneten Giessrollen in einem diese tragenden Maschinenrahmen gelagert, auf welchem ein Verkeilergefäss steht. Für die Abdichtung der Metallbadoberfläche ist eine annähernd parallel über dem Bad befindliche Platte vorgesehen, die bei den Giessrollen abdichtet. Unterhalb der Giessrollen sind an den Maschinenrahmen anschliessende separate Wandteile und ein an diese angrenzender mehrteiliger Kasten angeordnet, aus dem das Band austritt. Nachteilig bei dieser Bandglessmaschine ist die relativ aufwendige Konstruktion für die Abdichtung des Metallbades bzw. des erzeugten Metallbandes. Das Gehäuse ist ausserdem nicht rundum geschlossen, denn bei den Seitenabdichtungen ist eine Öffnung vorhanden. Der Teil (refractory slide) dient lediglich zum Schliessen der Schlitze, bietet aber nicht einen seitlichen Verschluss des Gehäuses.In a generic strip casting machine according to the publication WO-A-97/34718, the horizontally arranged casting rolls are mounted in a machine frame supporting them, on which a Verkeilergefäss stands. For the sealing of the metal bath surface, a plate located approximately parallel above the bath is provided, which seals at the casting rolls. Below the casting rolls, separate wall parts and a multi-part box adjoining them are arranged on the machine frame, from which the strip emerges. A disadvantage of this bandglass machine is the relatively complex construction for the sealing of the metal bath or the metal strip produced. The housing is also not completely closed, because the side seals have an opening. The part (refractory Slide) serves only to close the slots, but does not offer a lateral closure of the housing.
Bei einer weiteren bekannten Zweirollen-Bandgiessmaschine nach der Druckschrift EP-A-0 780 177 ist für die Abdichtung des unten zwischen den Giessrollen austretenden verfestigten Metallbandes ein kastenförmiger Behälter vorgesehen, der sich mit seiner Wandung bis an den unteren Aussenmantel der jeweiligen Giessrolle erstreckt, und durch ein Dichtelement eine Abdichtung erzeugt ist. Eine solche Abdichtung ist jedoch sowohl konstruktiv als auch in bezug auf die Wartung relativ aufwendig und bedingt eine unerwünschte Berührung des Dichtelementes mit der sich drehenden Giessrolle. Bei entstehenden Undichtheiten besteht die Gefahr, dass bei dem Metallband eine dessen Qualität mindernde Zunderbildung entsteht.In another known two-roll strip casting machine according to the document EP-A-0 780 177 a box-shaped container is provided for the sealing of the exiting below the casting rolls solidified metal strip, which extends with its wall to the lower outer shell of the respective casting roll, and a seal is produced by a sealing element. However, such a seal is both structurally and in terms of maintenance relatively expensive and requires an undesirable contact of the sealing element with the rotating casting roll. If there are any leaks, there is a risk that the metal strip will form a scale that reduces its quality.
Die Druckschrift JP-A-62077151 (D1) zeigt eine Bandgiessanlage mit zwei Giessrollen, bei der diese Giessrollen zusammen mit einem Tundish als Verteilergefäss in einem Gehäuse angeordnet sind. Das Gehäuse verfügt über einen Gaseinlass und einen Gasauslass, so dass das Innere des Gehäuses mit einem Inertgas gefüllt werden kann. Nachteilig hierbei ist jedoch, dass die Anlage nur schwer zugänglich ist, denn im Betrieb ist quasi alles abgeschlossen und es können Kontrollen nur sehr erschwert durchgeführt werden.The document JP-A-62077151 (D1) shows a strip casting machine with two casting rolls, in which these casting rolls are arranged together with a tundish as a distributor vessel in a housing. The housing has a gas inlet and a gas outlet, so that the interior of the housing can be filled with an inert gas. The disadvantage here, however, is that the system is difficult to access, because in operation, almost everything is completed and it can be very difficult controls performed.
Der vorliegenden Erfindung wurde demgegenüber die Aufgabe zugrundegelegt, eine Bendglessmaschine nach der eingangs erwähnten Gattung zu schaffen, mit der eine einwandfreie Abdichtung gegenüber der Umgebungsluft sowohl des Metallbades bzw. des erzeugten Metallbandes als auch der Giessrollen und ferner eine vereinfachte Bedienung und Instandstellung der Maschine ermöglicht wird.The present invention was the object of the present invention to provide a bending measuring machine according to the type mentioned, with a perfect seal against the ambient air of both the metal bath and the metal strip produced as well as the casting rolls and also a simplified operation and repair of the machine is possible ,
Die Aufgabe ist erfindungsgemäss durch die Merkmale des Anspruches 1 gelöst.The object is achieved by the features of claim 1.
Mit dieser erfindungsgemässen Auslegung der Bandgiessmaschine lässt sich auf einfache Weise eine optimale Abdichtung sowohl des zwischen den Rollen eingefüllten Metallbades als auch des unten aus den Giessrollen austretenden Metallbandes erzielen.With this design of the strip casting machine according to the invention, optimum sealing of both the metal bath filled between the rolls and the metal strip emerging from the casting rolls can be achieved in a simple manner.
Für die Instandstellung und Wartung können die Giessrollen und die Seitenabdichtungen aber trotzdem schnell und einfach zugänglich gemacht werden, wodurch die Betriebsleistung dieser Maschine gesteigert werden kann.Nevertheless, the casting rolls and the side seals can still be made quickly and easily accessible for the maintenance and servicing, whereby the operating performance of this machine can be increased.
Bei einer sehr vorteilhaften Ausführung schliesst an das Gehäuse für das unten zwischen diesen Giessrollen durch den gebildeten Giessspalt austretende Metallband ein Längsgehäuse mit einer Kammer an, wobei die vom Gehäuse gebildete Kammer durch eine Öffnung mit der nachfolgenden Kammer des Längsgehäuses verbunden ist.In a very advantageous embodiment, a longitudinal housing with a chamber adjoins the housing for the metal strip emerging below between these casting rolls through the formed casting gap, the chamber formed by the housing being connected by an opening to the following chamber of the longitudinal housing.
Ausführungsbeispiele der Erfindung sowie weitere Vorteile derselben sind nachfolgend anhand der Zeichnung näher erläutert. Es zeigt:
- Fig.1
- einen schematischen Längsschnitt durch eine Bandgiessmaschine,
- Fig.2
- einen Querschnitt eines Gehäuses durch die Achsen der Giessrollen einer Bandgiessmaschine,
- Fig.3
- einen Schnitt durch das Gehäuse nach Fig.2, und
- Fig.4
- eine schematische Ansicht einer erfindungsgemässen Bandgiessmaschine.
- Fig.1
- a schematic longitudinal section through a strip casting machine,
- Fig.2
- a cross section of a housing through the axes of the casting rolls of a strip casting machine,
- Figure 3
- a section through the housing according to Fig.2, and
- Figure 4
- a schematic view of an inventive strip casting machine.
Fig.1 zeigt eine Bandgiessmaschine 20 eines in einem kontinuierlichen Giessverfahren erzeugbaren Metallbandes 15, insbesondere eines Stahlbandes. Diese Bandgiessmaschine 20 steht auf einer Bühne 12 und wird von einem über ihr stehenden Verteilergefäss 18 mit Metallschmelze 16 versorgt, wie dies bei an sich herkömmlichen Stranggiessanlagen bekannt ist. Zweckmässigerweise weist das Verteilergefäss 18 eine mit einem Stopfen 19 oder dergleichen verschliessbare Ausgussöffnung 17 mit einem zwischen die Giessrollen 22, 24 sich erstreckenden Giessrohr 13 auf, durch welches die Schmelze abfliessen kann.1 shows a strip casting machine 20 of a
Zur Hauptsache hat diese Bandgiessmaschine 20 zwei im wesentlichen parallel nebeneinander angeordnete Giessrollen 22, 24 mit annähernd horizontalem Drehachsenverlauf, die an beiden Stirnseiten mit je einer Seitenabdichtung versehen sind, wodurch eine rundum geschlossene Öffnung mit einem nach unten hin offenen Giessspalt gebildet ist. Die Giessrollen 22, 24 sind beidseits auf je einem angedeuteten Maschinenständer drehbar gelagert und von je einem darin integrierten Motor gesteuert angetrieben.For the main thing, this strip casting machine 20 has two substantially parallel juxtaposed
Erfindungsgemäss sind die Giessrollen 22, 24 von einem verschliessbaren Gehäuse 30 umgeben, welches auf seiner Oberseite eine Öffnung 30' für das sich zwischen die Giessrollen 22, 24 erstreckende Giessrohr 13 und auf der Unterseite eine Öffnung 30" für das austretende Metallband 15 aufweist, wobei diese Öffnungen 30', 30" abgedichtet sind und die Kammer 33 im Gehäuse während des Giessens mit einem Schutzgas, vorzugsweise einem Inertgas, gefüllt ist. Auf der Oberseite könnten bei Verwendung von zwei oder mehreren Giessrohren auch mehrere Öffnungen 30', die rund oder schlitzförmig ausgebildet sein können, mit oder ohne Giessrohr vorhanden sein.According to the invention, the
Dieses kastenförmig ausgebildete Gehäuse 30 ist sehr vorteilhaft sowohl seitlich als auch oben beabstandet zu den Giessrollen 22, 24 bzw. zum Maschinenständer angeordnet, so dass keine gegen aussen abschirmende Dichtelemente vorgesehen sein müssen, wie dies zum Beispiel bei der Giessmaschine nach eingangs erwähnten Druckschrift EP-A-0 780 177 erforderlich ist.This box-
Auf der Oberseite ist dieses Gehäuse 30 mit zwei horizontal liegenden Türen 35 versehen, welche derart ausgestaltet sind, dass sie von der in Fig.1 gezeigten geschlossenen in eine horizontal weggeschobene Position verschiebbar sind. Zu diesem Zwecke sind sie seitlich in entsprechenden, nicht veranschaulichten Schienen geführt, wobei sie vorteilhaft in die gezeigte Schliessposition abgesenkt sind, um die bezweckte Dichtheit des Gehäuses 30 zu erreichen.On top of this
Es könnte aber auch nur eine Türe vorgesehen sein, um allenfalls Dichtspalten einzusparen. Mit Vorteil würde diese eine Türe eine Grösse annähernd der beiden gezeigten Türen 35 aufweisen und demnach mit der Öffnung 30' für den Schmelzendurchlass versehen sein.But it could also be provided only a door to save at most sealing gaps. Advantageously, this one door would have a size approximately equal to the two
Des weiteren sind dem Gehäuse 30 seitlich ebenfalls mittels Türen 36 verschliessbare Öffnungen 39 zugeordnet, welche dazu dienen, dass die Seitenabdichtungen der Giessrollen 22, 24 von jeweils einem ausserhalb des Gehäuses 30 verfahrbaren Manipulator 40 von der gezeigten Betriebsposition durch diese Öffnungen 39 aus dem bzw. in das Gehäuse 30 geführt werden können. Der jeweilige Manipulator 40 hat zu diesem Zwecke einen Haltearm 41 und einen diesen höhenverstellbaren Antrieb 42. Er kann von einer Betriebs- in eine zurückgezogene Wartungsposition und umgekehrt verfahren werden. In der Betriebsposition des Manipulators 40 kann mittels einer separaten Schutzhülle 38 eine Abdichtung der nicht geschlossenen Öffnung 39 herbeigeführt werden, wobei diese Schutzhülle 38 den Manipulator 40 umschliesst und demnach seitlich an das Gehäuse 30 dicht anschlägt. Ferner sind noch Kassetten 88 für das Heranführen und Wegnehmen von Seitenabdichtungen angedeutet.Furthermore, the
Als weiterer Vorteil ist im Rahmen der Erfindung das gegossene Metallband 15 unterhalb des Gehäuses 30 in ein zusätzliches Längsgehäuse 44 geführt, das eine Kammer 45 bildet, in der ebenfalls ein Schutzgas enthalten ist, um das Metallband 15 vor einem Kontakt mit Sauerstoff und damit insbesondere vor einer Zunderbildung zu schützen. In dieser Kammer 44 sind mehrere Rollen 46 und Presswalzen 47 angeordnet, so dass das Metallband 15 durch dieses Längsgehäuse 44 und durch eine in ihm endseitige abgedichtete Öffnung 48 geführt wird. Nach dem Austritt aus diesem Gehäuse 44 kann dieses bis dahin abgekühlte Metallband beispielsweise aufgerollt oder anderweitig bearbeitet werden.As a further advantage, the
Ferner weist das Längsgehäuse 44 unterhalb der Öffnung 30" bzw. des Giessspaltes 15' eine Vertiefung 49 auf, bei der ein in einem Anlagenboden hinein gestellter Auffangbehälter 52 vorhanden ist. Dieser Auffangbehälter 52 hat die Aufgabe, bei einer Leckage die unten aus den Giessrollen austretende flüssige Schmelze aufzufangen, ohne dass irgendwelcher Schaden entstehen würde. Oberhalb dieses Behälters 52 sind noch verschwenkbare Führungsklappen 54, 55 angeordnet, die in der dargestellten Position einen Durchlass bilden, indessen in der strichpunktierten Schwenkposition 54', 55' als Führungsbahn des Metallbandes 15 dienen.Furthermore, the
Im dargestellten Giesszustand gemäss Fig.1 ist die obere Öffnung 30' im Gehäuse 30 von einem das Gefäss 18 bis zu ihr verbindenden Balg 11 oder dergleichen abgedichtet, wobei dieser hülsenförmige Balg 11 das Giessrohr 13 umschliesst. Das Giessrohr könnte auch weggelassen und ein Freilauf vorgesehen sein. Die untere Öffnung 30" des Gehäuses, bei der das Band 15 durchtritt, kann beispielsweise als Dichtvorrichtung durch einen von Düsen 34 erzeugten Gasschirm abgedichtet sein. Im Prinzip könnte aber diese Dichtvorrichtung weggelassen und die Öffnung 30" damit durchgehend in die Kammer 45 münden.In the illustrated casting state according to FIG. 1, the upper opening 30 'in the
Ferner weist das Gehäuse 30 eine nicht näher gezeigte Zuleitung für das Einblasen von Schutzgas ins Innere auf. Schutzgas kann auch zusätzlich in das mit einem Deckel versehene Verteilergefäss 18 geleitet werden. Das in das Gehäuse 30 eingeführte Gas kann durch einen Gas-Kreislauf gekühlt und zurückgeführt werden. Nach Beendigung eines Giessvorganges und vor dem Öffnen des Gehäuses kann das Schutzgas in einen Speicher abgesogen und gegebenenfalls die Luft in diesem herausgefiltert werden.Furthermore, the
Fig.2 und Fig.3 zeigen prinziphaft eine Variante einer Bandgiessmaschine, welche an sich gleich wie diejenige nach Fig.1 konzipiert ist. Bei dieser Bandgiessmaschine ist ein Gehäuse 60 vorgesehen, bei welchem erfindungsgemäss die Giessrollen 22, 24 über ihre Mantelbreite und Stirnseiten als auch die Seitenabdichtungen 62 von dem mehrteiligen Gehäuse 60 umgeben sind, nicht aber der die Achsen 64 der Giessrollen 22, 24 lagernde Motorenständer 61. Dieses Gehäuse 60 umschliesst beidseitig der Giessrollen die Achsen und auch den Antrieb 66 der Abdichtungen 62. Auf der Oberseite ist es beabstandet zu dem angedeuteten Schmelzebehälter 18 angeordnet.Fig.2 and Fig.3 show a principle of a variant of a strip casting machine, which is designed to be the same as that of Figure 1 in itself. In this strip casting machine, a
Das mehrteilige Gehäuse 60 ist beim Übergang zu einem Längsgehäuse 65 mit einem Sockelfuss 67 versehen, der Ober ein Befestigungsorgan 69 an diesem Längsgehäuse befestigbar ist.The
Zwischen diesem Gehäuse 60 und dem Längsgehäuse 65 ist eine Öffnung 70 vorhanden, durch die diese beiden Gehäuse 60 und 65 miteinander verbunden sind. Das Längsgehäuse 65 ist vorteilhaft rundum verschlossen und weist einzig einen abgedichteten Ausgang für das gegossene Metallband 15 auf.Between this
Fig.4 zeigt eine erfindungsgemässe Bandgiessmaschine mit wiederum zwei Giessrollen 22, 24, die in einem Gehäuse 80 enthalten sind. Dieses Gehäuse 80 besteht aus einer doppelwandigen Seitenwand 81 und einem Türe 82, der abhebbar gehalten ist, wie dies durch den abgehobenen Türe 82' angedeutet ist.4 shows a strip casting machine according to the invention, again with two casting rolls 22, 24, which are contained in a
Im Rahmen der Erfindung umgibt das Gehäuse 80 die Giessrollen 22, 24 sowie die Seitenabdichtungen 83. Ausserdem weist das Gehäuse unten eine Öffnung 84 auf, welche in die Kammer 85' eines Längsgehäuses 85 mündet. Dieses Gehäuse 80 ist in einem Rahmengestell 88 positioniert, welcher Räder 87 hat, die auf Schienen 89 geführt sind.In the context of the invention, the
Ferner ist sowohl das Gehäuse 80 als auch das Längsgehäuse 85 vorteilhaft wassergekühlt, damit diese sich nicht mit fortwährender Betriebsdauer zu stark erhitzen.Furthermore, both the
Mit dieser Bandgiessmaschine nach Fig.4 ist eine formatunabhängige Konstruktion geschaffen worden, da das Gehäuse je nach Giessrollendurchmesser grösser oder kleiner gemacht werden kann.With this strip casting machine according to Figure 4 a format independent construction has been created, since the housing can be made larger or smaller depending on the casting diameter.
Claims (8)
- Strip-casting machine for the production of a metal strip, with two adjacent arranged casting rolls (22, 24) with each a surface width, which form a casting gap (15'), the end surfaces being provided with side seals, the rolls being rotatably supported on a machine stand and driven by at least one motor, where the molten metal is supplied through at least one casting tube (13) or the like to the area between the casting rolls (22, 24) and the side seals, and is protected by at least one gaseous medium, where a multi-part housing (80) encloses at least the casting rolls (22, 24) at least each of its surface width and the lateral surfaces and the side seals, where the housing (80) is provided with an opening (30') in each case in the top for the casting tube (13) or the like extending into the area between the casting rolls (22, 24) and with an opening (30", 84) at the bottom for the metal strip (15) emerging underneath from the formed casting gap (15') between the casting rolls (22, 24).
characterized in that
the closable housing (80) is provided with at least one removable, approximately horizontal arranged door (35, 82) on the top, which, when closed, is directly above the casting rolls, and that the housing (80) is positioned in a movable frame stand (88). - Strip-casting machine according to claim 1,
characterized in that
an additional, longitudinal housing (44) is provided underneath the housing (30), this additional housing forming a chamber (45), through which the metal strip (15) is conducted. - Strip-casting machine according to claim 1,
characterized in that
the opening (30", 70, 84) provided in the bottom of the housing (30, 60, 80) for the emerging metal strip (15) communicates with the longitudinal housing (44, 65, 85) and either directly or separates the both chambers of the housing respectively the longitudinal housing in a nearly gas-tight manner by means of a sealing device. - Strip-casting machine according to claim 3,
characterized in that
the sealing device of the slot-shaped opening (30") in the bottom of the housing (30) consists of sealing strips (66), sealing rolls (76), or the like, which guide the metal strip (15) on both sides as it emerges from this opening (30"). - Strip-casting machine according to one of the preceding claims 1 to 4,
characterized in that
the box-shaped housing (30) is located a certain distance away from both the sides and the top of the casting rolls (22, 24). - Strip-casting machine according to one of the preceding claims 1 to 5,
characterized in that
a sealing system (60), each of which cooperates with a casting roll (22, 24) and the side seals, is assigned to the bottom of each of the doors (35), which sealing system forms a chamber above the molten metal, which being separate from the other chamber (33) in the housing. - Strip-casting machine according to claim 6,
characterized in that
the chamber formed by the sealing system (60) with an inert gas, while the other chamber (33) in the housing another inert gas or the housing and preferably also the longitudinal housing form thermal insulation. - Strip-casting machine according to claim 6,
characterized in that
the housing (80) forms a frame and is water-cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01966929A EP1318883B1 (en) | 2000-09-19 | 2001-09-19 | Strip casting machine for production of a metal strip |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2000/009158 WO2001023120A1 (en) | 1999-09-24 | 2000-09-19 | Strip-casting machine for producing a metal band |
| WOPCT/EP00/09158 | 2000-09-19 | ||
| PCT/CH2001/000573 WO2002024379A1 (en) | 2000-09-19 | 2001-09-19 | Strip casting machine for production of a metal strip |
| EP01966929A EP1318883B1 (en) | 2000-09-19 | 2001-09-19 | Strip casting machine for production of a metal strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1318883A1 EP1318883A1 (en) | 2003-06-18 |
| EP1318883B1 true EP1318883B1 (en) | 2007-04-25 |
Family
ID=8185171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01966929A Expired - Lifetime EP1318883B1 (en) | 2000-09-19 | 2001-09-19 | Strip casting machine for production of a metal strip |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP1318883B1 (en) |
-
2001
- 2001-09-19 EP EP01966929A patent/EP1318883B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1318883A1 (en) | 2003-06-18 |
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