EP1478478B1 - Dispositif de coulee continue de metaux en fusion - Google Patents

Dispositif de coulee continue de metaux en fusion Download PDF

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Publication number
EP1478478B1
EP1478478B1 EP03742873A EP03742873A EP1478478B1 EP 1478478 B1 EP1478478 B1 EP 1478478B1 EP 03742873 A EP03742873 A EP 03742873A EP 03742873 A EP03742873 A EP 03742873A EP 1478478 B1 EP1478478 B1 EP 1478478B1
Authority
EP
European Patent Office
Prior art keywords
casting
roll
shield
rolls
roll shield
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
EP03742873A
Other languages
German (de)
English (en)
Other versions
EP1478478B2 (fr
EP1478478A1 (fr
Inventor
Gerald Hohenbichler
Michael Zahedi
Karl Klima
Thomas Stepanek
Guido Stebner
Wilhelm Mankau
Werner SCHÜMERS
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.)
Siemens Vai Metals Technologies & Co En Thyss GmbH
Original Assignee
Voest Alpine Industrienlagenbau GmbH
ThyssenKrupp Nirosta GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Voest Alpine Industrienlagenbau GmbH, ThyssenKrupp Nirosta GmbH filed Critical Voest Alpine Industrienlagenbau GmbH
Priority to AT03742873T priority Critical patent/ATE311950T1/de
Publication of EP1478478A1 publication Critical patent/EP1478478A1/fr
Publication of EP1478478B1 publication Critical patent/EP1478478B1/fr
Application granted granted Critical
Publication of EP1478478B2 publication Critical patent/EP1478478B2/fr
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
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0637—Accessories therefor
    • B22D11/0697—Accessories therefor for casting in a protected atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/1213—Accessories for subsequent treating or working cast stock in situ for heating or insulating strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling

Definitions

  • the invention relates to a device for the continuous casting of molten metal, preferably molten steel to cast strip according to the features of Preamble of claim 1.
  • the cast strip Since the cast strip has high temperatures when leaving the casting gap, it comes on its surface on contact with oxygen to scale formation, the Continuous further processing of the tape impeded.
  • the influenced Tinder the work result of subsequently performed on the casting of the strip inline hot rolling negative.
  • the invention has for its object to avoid these disadvantages and described to provide a device of the type described above, in which a Casting roller change with minimal installation effort during the change process is feasible and at the same time the burden of the casting rolls and the carrying them Environment construction is reduced by emitted from the cast strip heat.
  • the casting roll shield provided in the apparatus according to the invention allows in this way a particularly effective protection of the casting rolls, for their Storage and its operation required components and all other in the Neighborhood of the casting rolls arranged aggregates before rising, from cast strip of heated gases.
  • the casting roll shield can in this case directly or indirectly with the G manwalzenlager be associated with receiving frame.
  • the casting rolls (2, 3) are receiving Casting roller bearing (2a, 3a) on a frame (25) and the casting roller shield (10) connects to the supporting frame (25).
  • the casting rolls (2, 3) are receiving Casting roller bearing (2a, 3a) on a frame (25) and the casting roller shield (10) connects to the supporting frame (25).
  • the casting rolls (2, 3) receive the Casting roller bearing (2a, 3a) hanging on the frame (25) and the casting roller shield (10) is attached to the casting roll bearings (2a, 3a).
  • This training variant also offers the advantages of a compact module.
  • the casting roller shield By attaching the casting roller shield on the supporting frame can be Frame with the casting rolls and the casting roll shield during a roll change replace as a complete unit. So, after a transport of the frame a worker in a waiting position not only the rollers themselves are serviced, but also the casting roller shield and the example for cooling the walls of the Casting roller shielding and for blowing in the cooling gases at the casting roller shielding provided aggregates. In a dimensional change of the casting rolls can in a simple way at the same time the casting roller shield the dimensions of Casting rolls are adjusted.
  • a respect to the protective effect of thermal shielding as well with regard to reduced casting roll contamination is favorable embodiment of the invention characterized in that the G collectwalzen-shielding pointed roof shape in the through the casting rolls delimited, existing below the G fauxspaltes space extends.
  • the inlet opening for passing the from the G fauxspalt exiting cast strip preferably in the ridge region of the shield educated.
  • the casting roll shield forms in the region of the casting rolls only a lateral boundary of the cooling zone, while the upper limit of the casting rolls themselves are formed.
  • the casting roll shield also has walls which extend in the region of the casting-roll end faces parallel to these, so that at least the edges of these walls with a gap to the end faces of the casting rolls are arranged.
  • the housing of the cast tape at least partially surrounds, it is advantageous if the G confusewalzen-shielding placed on such a housing or part of such Enclosure is.
  • the enclosure encloses together with the casting roller shielding prefers the conveying path of the cast strip at least up to one first, arranged in the conveying path pair of rollers for conveying or hot rolling the Band. This embodiment proves to be particularly useful when in the Enclosure for suppression of scale formation maintained an inert atmosphere becomes.
  • the casting roll bearing supporting frame is on a Roadway supporting transport device, preferably a chassis, to his Spend between a working position or operating position and a waiting position and conversely equipped.
  • the casting roller shield is used separated from the housing arranged on the seal, that the the cast-roller bearing supporting frame with respect to the road surface or the chassis, is preferably formed by a lifting or swing, height adjustable.
  • a fast feasible and high adjustment accuracy having arrangement of Changing device is present if the liftable with a lifting or slewing and lowered trained frame in the working position centered on an intermediate plate rests and for relocation to a waiting position in one opposite the intermediate plate raised position is spent.
  • the lowering of the frame on the Intermediate plate for positionally accurate adjustment of the two components to each other Used centering devices that center in both lateral and in ensure a transversal direction.
  • the shielding against rising hot gases is particularly efficient when this casting roll shield defines a cooling zone in which during the Casting a temperature prevails which is lower than the temperature of the cast strip of heated gases. This will be close to the exit area of the G fauxspaltes a zone formed in the targeted lowering of the temperature brought about.
  • This cooling causes the natural, thermally induced flow (Chimney effect) interrupted, in which the cast of the tape during its transport over the Conveying path heated gases rise up against the conveying direction of the belt.
  • the cooling zone forms a barrier through which prevents the heated by the band hot gases for the support of the Casting rollers required components reach.
  • the cast roll shield thus provides a physical barrier through which the flow of hot gases to the casting rolls or one in the region of the Casting for example existing platform is interrupted. At the same time the shielding for the purposeful cooling of the space defined by it Gases available. In the same way, the casting roller shielding leads in combination with a cooling of the gases in the cooling zone to a significant reduction in the Endangering the personnel employed in the area of the casting rolls.
  • the formation of a cooling zone in the bounded by the Gellowalzen-shielding area can be generated, for example, that at least one of the walls of the Casting roller shield is connected to a coolant supply device.
  • the Forming a cooling zone is further realized in that at least one of Walls of the casting roller shield is fluid cooled.
  • the cooled Wall at least one cooling channel through which the cooling fluid during the casting operation flows.
  • Such liquid cooling ensures that the casting roll shield acting heat is dissipated quickly and effectively.
  • the cooling of the casting roll shield to an intense cooling of the on Castor shielding meeting the gases that are in the from the shield mixing circumscribed area nachströmenden hot gases, so that these cooled and set a zone of lower temperature.
  • the formation of the cooling zone can also particularly effectively supported be by at least one means for blowing cooling gas into the cooling zone is provided.
  • the effect of the cooling gas can be further improved if the flow of the injected into the cooling zone cooling gas substantially against the Direction of flow of heated by the cast strip gases is directed.
  • the casting roller shield it is advantageous if in Area of the inlet opening respectively nozzles are present, from which during the Casting emerges a gas stream, which is the escape of gas from the inlet opening counteracts. This can, if the inlet opening with its edges that the casting gap leaving pouring tape closely surrounds, for example, by doing that Gas flow is directed in the manner of a gas jet knife against the belt. He follows In contrast, the sealing of the inlet opening with respect to the casting rolls, so can in a corresponding way a gas jet are directed against the casting rolls.
  • the local conditions can be about the width of the belt or the casting rolls distributed arranged flat jet nozzles or round jet nozzles are used, whose Radiation are associated with each other so that a suction of gases, especially air, from the environment of the device into the separated from the Gellowalzen-shielding Cooling zone is prevented.
  • casting roll shield Another expedient embodiment of the casting roll shield is that the cast roll shield to support their heat-insulating effect on their the cast band associated surfaces is coated with refractory material.
  • the load on the units and components of the Zweiwalzeng screenvoriques can also be further reduced by a suction for sucking the from cast strip of heated gases is present.
  • the housing can a Have suction opening, to which the suction device is connected.
  • Designed as Zweiwalzeng tellstrom device 1 for casting a Molten steel to a cast steel strip B as shown in Figures 1 and 2 is shown schematically, has two axially parallel to each other and in opposite directions Casting rollers 2, 3 rotating towards each other, which the longitudinal sides of one between them formed G toysspaltes 4 and arranged above the melt sump. 5 limit, in which the molten steel from an intermediate vessel or not shown a ladle is fed.
  • the two lateral of the casting rolls 2, 3 free Transverse sides of the casting gap 4 and the melt sump 5 are each through to the End faces of the casting rollers pressable side seals 6 sealed, of which only one is shown schematically.
  • the casting rolls 2, 3 continuously cooled by a cooling water flow.
  • the withdrawn from the casting gap 4 cast steel strip B is via a conveyor 7th transported to a hot rolling stand 8 or a drive roller frame in which it is continuously hot rolled to a hot strip W with certain final thickness.
  • Conveyor 7 has a starting from the casting gap 4 substantially vertically extending first section, which then in an arc in a for Hot rolling mill 8 leading, substantially horizontally extending second section passes.
  • the conveying path 7 is up to the hot rolling mill 8 substantially completely from a Enclosed enclosure 9, which shields him from the environment so that the hot rolled hot strip W only outside the enclosure in direct contact with the Ambient air comes.
  • the casting rolls 2, 3 associated casting roll shield 10th is releasably on the upper edge of the opposite of the casting roller shield 10 essential larger housing 9 put on. This is on the upper edge of the enclosure 9 a formed with sand filled groove 12, in which the casting roller shield 10 with her lower edge area sits.
  • the channel 12 forms a seal with the sand contained in it 13, in which the sand contained in the channel 12 ensures that in the region of the channel 12 no ambient air in the space enclosed by the housing 9 interior 14th arrives.
  • Both the casting roll shield 10 and the enclosure 9 are on the conveyance path 7 associated inner side lined with a layer 15 of refractory material.
  • Location 15 is the thermal load of existing example of steel Exterior wall of the enclosure 9 reduced.
  • the refractory layer 15 also forms a Insulation through which the environment 9 acting from the enclosure 9 Thermal radiation is reduced.
  • the G confusewalzen-shield 10 is pointed roof shaped formed such that their Casting rollers 2, 3 respectively associated walls 10a, 10b pointed in the direction of the casting gap 4th are formed to converge and up to just below the casting rolls 2, 3rd extend.
  • At the housing 9 associated edge region has the casting roller shield 10 a frame portion of low height, with which they are in the channel 12th sitting.
  • the housing 9 and with it the casting roller shield 10 extend laterally beyond the width of the cast steel strip B, the enclosure 9 being in her over the width of the casting rolls 2, 3 standing out part is closed.
  • the casting roll shield 10 supports the interior 14 of the enclosure 9 associated side of their walls 10 a, 10 b respectively nozzles 22, 23 of which in the casting operation one each from an inert gas or a mixture of an inert gas and a reducing gas existing gas stream G in the interior 14 of the housing 9 is blown.
  • the nozzles 22, 23 are aligned such that at least one part of the gas stream G emerging from them, the surface of the cast steel strip B sweeps.
  • Suction tube 24 is connected.
  • the casting roll shield 10 is attached to a frame 25 which is the same as in FIG Casting roller bearings 2a, 3a supported casting rolls 2, 3 and others, not shown here Carries aggregates that are needed to supply and drive the casting rolls 2, 3.
  • the frame 25 can with the cast rollers 2, 3, supported by him, the casting roll shield 10 and the other units from its illustrated in the figures Working position to be transported in a waiting position, not shown, in the Maintenance work to be made.
  • the frame 25th equipped with a chassis 26 with rail-mounted wheels 26 a, wherein the Support wheels 26a on a stationary, preferably rail-carrying roadway 28.
  • a drive 29 for the chassis 26 is attached.
  • the Traction drive 29 consists of a designed as a sprocket drive wheel 30, which at a drive motor 31 is coupled, and designed as a sprocket deflection wheel 32, which is connected to the drive wheel 31 via a circumferential drive chain 33.
  • the lifting or slewing is operated either by lifting cylinders, which are between the Suspension and the frame are arranged and the frame along guides Lift vertically (not shown), or it is the wheelsets of the chassis 26 in Swivel levers 37 pivotally supported, in turn, with one end to the frame 25 are hinged and actuated at its other end of piston-cylinder units 36 which also causes lifting of the frame 25 and the casting roll shield 10 is realized.
  • Fig. 5 is a schematic representation of another embodiment of the Assembly consisting of casting rolls 2, 3, casting roll bearings 2a, 3a, a frame 25th and a casting roll shield 10. This assembly is from a Working position in which the casting takes place, in a waiting position, in the For example, maintenance work to be performed, and moved back.
  • the casting rolls 2, 3 forming a casting gap 4 are in casting roll bearings 2a, 3a supported, which in turn are arranged hanging on the frame 25 and adjustable.
  • For lateral sealing of the casting gap 4 are contactable side seals. 6 intended.
  • the withdrawn from the casting gap 4 steel strip B is on its way surrounded by an enclosure 9, on the exit area of the steel strip from the Gellowalzen a casting roll shield 10 rests, which in detail analogous to the Embodiment according to FIGS. 1 to 3a and 3b is formed.
  • Casting Shielding 10 is substantially attached to the G confusewalzenlagern 2a, 3a, wherein the Fixing a change in position of the two casting rolls in the sense of a horizontal Change in distance of the casting rolls allows each other.
  • the relocation of the assembly can analogous to the embodiment of FIGS. 3a and 3b by a on the frame attached chassis with lifting device, or as indicated in Fig. 5, with a be performed as a crane trained hoist.
  • the cast steel strip B becomes, as in FIGS. 1 and 2 shown, continuously withdrawn from the casting gap 4 and also continuously over the conveying path 7 to the hot rolling mill 8 promoted. It prevails in the housing 9 a Inert gas atmosphere through which the scale formation on the surface of the cast Steel band B is suppressed. Getting in touch with the hot cast band, Gas contained in the enclosure 9 is heated, and rises as hot gas flows T due its temperature increase counter to the conveying direction F in the casting roller housing 9 on.
  • the cooling of the surface of the cast steel strip B and the continuous cooling of the walls 10a, 10b of the casting roll shield 10 is continuously in the cooling zone K a temperature maintained, which is lower than the temperature of the hot gas flow T.
  • the in the Cooling zone K reaching, mixed with the cooling gas flow G hot gas flow T is due cooled down so that his ascent is interrupted. They are in front of the Cooling zone K congested, formed from the gas streams G and T gas volumes are over sucked the suction tube 24.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)

Claims (29)

  1. Dispositif en vue de la coulée d'une masse fondue métallique, de préférence d'une masse fondue d'acier, en un ruban coulé
    avec deux cylindres de coulée (2, 3) rotatifs à sens contraire en mode de coulée disposés de manière paraxiale qui limitent le côté longitudinal d'une fente de coulée (4) formée entre eux et qui sont en appui à rotation dans un châssis (25) recevant les supports de cylindres de coulée (2a, 3a),
    avec un chemin de transport (F) en vue du transport du ruban coulé (B) sortant de la fente de coulée (4),
    avec un blindage de cylindres de coulée (10) disposé en dessous des deux cylindres de coulée (2, 3) et de la fente de coulée (4) qui présente une ouverture d'entrée (17) pour le ruban coulé (B) et
    le blindage de cylindres de coulée (10) étant porté par le châssis (25) pouvant être déplacé d'une position de travail dans une position de maintenance et recevant les supports de cylindres de coulée,
    caractérisé en ce que le blindage de cylindres de coulée (10) est adapté aux dimensions des cylindres de coulée (2, 3) et les bords (18, 19) s'étendant de manière paraxiale vers les cylindres de coulée (2, 3) de l'ouverture d'entrée (17) du blindage de cylindres de coulée (10, 10a, 10b) avec fente sont disposés vers les cylindres de coulée (2, 3) et un joint (42) est disposé entre les bords (18, 19 ; 18a, 19a) du blindage de cylindres de coulée (10, 10a, 10b, 10c, 10d) et les cylindres de coulée (2, 3).
  2. Dispositif selon la revendication 1, caractérisé en ce que les supports de cylindres de coulée (2a, 3a) recevant les cylindres de coulée (2, 3) reposent sur un châssis (25) et le blindage de cylindres de coulée (10) se raccorde au châssis d'appui (25).
  3. Dispositif selon la revendication 1, caractérisé en ce que les supports de cylindres de coulée (2a, 3a) recevant les cylindres de coulée (2, 3) sont appliqués à suspension sur le châssis (25) et le blindage de cylindres de coulée (10) est fixé sur les supports de cylindres de coulée (2a, 3a).
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le blindage de cylindres de coulée (10) s'étend en forme de toit pointu dans un espace limité par les cylindres de coulée (2, 3), présent en dessous de la fente de coulée (4).
  5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les bords (18a, 19a) des parois (10c, 10d) s'étendant du côté frontal des cylindres de coulée (2, 3) du blindage de cylindres de coulée (10) avec fente sont disposés vers les côtés frontaux des cylindres de coulée (2, 3).
  6. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le joint (42) est formé d'une brosse touchant la surface des cylindres de coulée ou espacée de celle-ci de moins de 4 mm ou d'une baguette souple pauvre en frottement.
  7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la section transversale de l'ouverture d'entrée (17) est adaptée à la section transversale du ruban coulé (B).
  8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un logement (9), qui entoure conjointement avec le blindage de cylindres de coulée (10) le chemin de transport (F) du ruban coulé (B) sortant de la fente de coulée (4) au moins sur une section partant de la zone de sortie de la fente de coulée (4), se raccorde au blindage de cylindres de coulée (10).
  9. Dispositif selon la revendication 8, caractérisé en ce que le blindage de cylindres de coulée (10) entoure conjointement avec le logement (9) le chemin de transport (F) du ruban coulé (B) au moins jusqu'à un premier dispositif (8) disposé dans le chemin de transport en vue de transporter ou de laminer à chaud le ruban.
  10. Dispositif selon l'une quelconque des revendications 8 et 9, caractérisé en ce que le blindage de cylindres de coulée (10) est relié de manière détachable au logement (9).
  11. Dispositif selon la revendication 10, caractérisé en ce qu'un joint (13) est présent entre le blindage de cylindres de coulée (10) et le logement (9).
  12. Dispositif selon la revendication 11, caractérisé en ce que le joint (13) est réalisé de manière fermable par abaissement du blindage de cylindres de coulée (10) sur le logement (9).
  13. Dispositif selon la revendication 11 ou 12, caractérisé en ce que le joint (13) est réalisé sous la forme d'une rigole remplie de sable (12) dans laquelle le blindage de cylindres de coulée (10) se trouve avec son bord inférieur.
  14. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le châssis (25) recevant les supports de cylindres de coulée (2a, 3a) est équipé d'un dispositif de transport s'appuyant sur une voie (28), de préférence d'un mécanisme de roulement (26) en vue de son amenée entre une position de travail et une position de maintenance et inversement.
  15. Dispositif selon la revendication 14, caractérisé en ce que le châssis (25) recevant les supports de cylindres de coulée (2a, 3a) est réalisé de manière réglable en hauteur par rapport à la voie (28), de préférence par un mécanisme de levage ou de pivotement (35).
  16. Dispositif selon la revendication 15, caractérisé en ce que le châssis (25) réalisé de manière soulevable et abaissable avec un mécanisme de levage ou de pivotement (35) repose dans la position de travail de manière centrée sur une plaque intermédiaire (27) et est amené dans une position soulevée par rapport à la plaque intermédiaire (27) en vue du déplacement dans une position de maintenance.
  17. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le blindage de cylindres de coulée (10) délimite une zone de refroidissement (K) dans laquelle une température qui est inférieure à la température des gaz chauffés par le ruban coulé (B) règne pendant le mode de coulée.
  18. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une des parois (10a, 10b) du blindage de cylindres de coulée (10) est raccordée à un dispositif d'alimentation en réfrigérant.
  19. Dispositif selon la revendication 18, caractérisé en ce que la paroi refroidie (10a, 10b) présente au moins un canal de refroidissement (16) à travers lequel le fluide de refroidissement s'écoule au moins pendant le mode de coulée.
  20. Dispositif selon l'une quelconque des revendications 17 à 19 précédentes, caractérisé en ce qu'au moins un dispositif est prévu en vue du soufflage de gaz de refroidissement dans la zone de refroidissement (K).
  21. Dispositif selon la revendication 20, caractérisé en ce que l'écoulement du gaz de refroidissement soufflé dans la zone de refroidissement (K) est essentiellement orienté à l'encontre de la direction d'écoulement des gaz chauffés par le ruban coulé (B).
  22. Dispositif selon la revendication 20 ou 21, caractérisé en ce que le gaz de refroidissement soufflé touche au moins partiellement la surface du ruban coulé (B) et la balaie au moins partiellement.
  23. Dispositif selon l'une quelconque des revendications 20 à 22, caractérisé en ce que le gaz de refroidissement est inerte.
  24. Dispositif selon l'une quelconque des revendications 20 à 22, caractérisé en ce que le gaz de refroidissement agit de manière réductrice.
  25. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que des buses (22, 23), notamment des buses à jet plat et/ou des buses à jet rond, à partir desquelles un courant de gaz qui agit à l'encontre de la sortie de gaz de l'ouverture d'entrée (17) sort en mode de coulée, sont disposées dans la zone de l'ouverture d'entrée (17) du blindage de cylindres de coulée (10).
  26. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le blindage de cylindres de coulée (10) s'étend dans le sens de la largeur du ruban coulé (B) latéralement aux cylindres de coulée (2, 3).
  27. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le blindage de cylindres de coulée (10) est garni ou enduit de matériau ignifuge sur ses faces (10a, 10b) associées au ruban coulé (B).
  28. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un dispositif d'aspiration (24) est présent en vue de l'aspiration des gaz chauffés par le ruban coulé (B).
  29. Dispositif selon la revendication 28, caractérisé en ce que le logement (9) présente une ouverture d'aspiration à laquelle est raccordé le dispositif d'aspiration (24).
EP03742873A 2002-02-27 2003-02-26 Dispositif de coulee continue de metaux en fusion Expired - Lifetime EP1478478B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT03742873T ATE311950T1 (de) 2002-02-27 2003-02-26 Vorrichtung zum kontinuierlichen vergiessen von metallschmelze

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT3032002 2002-02-27
AT0030302A AT411025B (de) 2002-02-27 2002-02-27 Vorrichtung zum kontinuierlichen vergiessen von metallschmelze
PCT/EP2003/001951 WO2003072281A1 (fr) 2002-02-27 2003-02-26 Dispositif de coulee continue de metaux en fusion

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EP1478478A1 EP1478478A1 (fr) 2004-11-24
EP1478478B1 true EP1478478B1 (fr) 2005-12-07
EP1478478B2 EP1478478B2 (fr) 2010-10-27

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US (1) US7048032B2 (fr)
EP (1) EP1478478B2 (fr)
KR (1) KR101018897B1 (fr)
CN (1) CN1305605C (fr)
AT (1) AT411025B (fr)
DE (1) DE50301855D1 (fr)
MX (1) MXPA04008168A (fr)
WO (1) WO2003072281A1 (fr)

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ITMI20021506A1 (it) † 2002-07-10 2004-01-12 Danieli Off Mecc Dispositivo di regolazione della temperatura del nastro in un impianto di colata continua di nastro metallico
AT412539B (de) * 2003-05-06 2005-04-25 Voest Alpine Ind Anlagen Zweiwalzengiesseinrichtung
WO2018119548A1 (fr) * 2016-12-26 2018-07-05 普锐特冶金技术日本有限公司 Procédé d'étanchéité, dispositif d'étanchéité et appareil de coulée continue équipé du dispositif d'étanchéité
DE102017209731A1 (de) * 2017-06-08 2018-12-13 Sms Group Gmbh Luftkühlung in Stranggießanlagen
CN112222365A (zh) * 2020-09-16 2021-01-15 东北大学 一种用于双辊薄带连铸机的冷却装置

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JPS5897467A (ja) 1981-12-04 1983-06-09 Kawasaki Steel Corp 金属薄帯製造用急冷ロ−ルの冷却装置
JPS63238953A (ja) 1987-03-27 1988-10-05 Nippon Steel Corp 双ロ−ルを用いた溶融金属の鋳造方法
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FR2665652A1 (fr) 1990-08-13 1992-02-14 Usinor Sacilor Procede et dispositif de fabrication d'une bande en acier inoxydable semi-ferritique a partir de metal en fusion.
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JP2750096B2 (ja) 1995-05-08 1998-05-13 新日本製鐵株式会社 ストリップ連続鋳造熱間圧延熱処理酸洗設備および酸洗コイルの製造方法
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EP0903190B1 (fr) 1997-09-18 2003-04-16 Castrip, LLC Installation de coulée de bandes
EP0947261B1 (fr) 1997-09-18 2004-11-17 Castrip, LLC Installation de coulée directe de bandes minces métalliques et méthode
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CH691576A5 (de) * 1999-09-24 2001-08-31 Main Man Inspiration Ag Bandgiessmaschine zur Erzeugung eines Metallbandes.
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AUPQ436299A0 (en) 1999-12-01 1999-12-23 Bhp Steel (Jla) Pty Limited Casting steel strip
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AU2001287473A1 (en) 2000-09-19 2002-04-02 Main Management Inspiration Ag Strip casting machine for production of a metal strip

Also Published As

Publication number Publication date
MXPA04008168A (es) 2005-05-16
KR101018897B1 (ko) 2011-03-02
US7048032B2 (en) 2006-05-23
EP1478478B2 (fr) 2010-10-27
US20050077024A1 (en) 2005-04-14
AU2003210359B2 (en) 2008-03-06
CN1638892A (zh) 2005-07-13
DE50301855D1 (de) 2006-01-12
CN1305605C (zh) 2007-03-21
AT411025B (de) 2003-09-25
KR20040093075A (ko) 2004-11-04
WO2003072281A1 (fr) 2003-09-04
ATA3032002A (de) 2003-02-15
EP1478478A1 (fr) 2004-11-24
AU2003210359A1 (en) 2003-09-09

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