EP1761349B1 - Installation de coulee continue et procede permettant au choix de couler une large barre metallique ou un maximum de deux barres metalliques etroites - Google Patents

Installation de coulee continue et procede permettant au choix de couler une large barre metallique ou un maximum de deux barres metalliques etroites Download PDF

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Publication number
EP1761349B1
EP1761349B1 EP05739881A EP05739881A EP1761349B1 EP 1761349 B1 EP1761349 B1 EP 1761349B1 EP 05739881 A EP05739881 A EP 05739881A EP 05739881 A EP05739881 A EP 05739881A EP 1761349 B1 EP1761349 B1 EP 1761349B1
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EP
European Patent Office
Prior art keywords
strand
continuous casting
casting plant
casting
mold
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Not-in-force
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EP05739881A
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German (de)
English (en)
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EP1761349A2 (fr
Inventor
Kurt Böttcher
Heinz Bramerdorfer
Kurt Engel
Andreas Flick
Josef Guttenbrunner
Karl Holzer
Istvan Kalmar
Othmar Kriegner
Josef LANSCHÜTZER
Karl Mörwald
Arthur Ortner
Werner Scheurecker
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Primetals Technologies Austria GmbH
Original Assignee
Siemens VAI Metals Technologies GmbH and Co
Siemens VAI Metals Technologies GmbH Austria
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Publication of EP1761349A2 publication Critical patent/EP1761349A2/fr
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Publication of EP1761349B1 publication Critical patent/EP1761349B1/fr
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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
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/14—Plants for continuous casting
    • B22D11/147—Multi-strand plants

Definitions

  • the invention relates to a continuous casting plant and a method for selectively casting a wide metal strand or a maximum of two narrower metal strands on the other hand.
  • the continuous casting plant comprises at least one distribution vessel, a mold supported on an oscillating device and a downstream strand guide.
  • wide metal strand and “relatively narrower metal strand” are understood to mean that the width of a wide metal strand to be cast is greater than the sum of the two narrower metal strands to be cast in its place at the same time.
  • metal strand is preferably to be understood a steel strand, but also other metal strands, e.g. based on aluminum or aluminum alloys are possible. Under continuous casting is preferably to understand a steel continuous casting.
  • a major disadvantage of this known embodiment is therefore that in a disturbance on a strand, the casting parameters for all strands must be changed or in special cases, the casting process for all strands must be canceled.
  • Another disadvantage of this embodiment is that when casting two strands a largely central arrangement of the pouring tube with variable casting widths due to the fixed distance of the two pouring tubes on the distribution vessel is not possible.
  • From the DE-A 37 06 720 is a continuous casting for the simultaneous casting of two metal strands known, wherein two independently positionable molds are supported in a common Hubtischrahmen.
  • the two molds are associated with casters and in the casting direction includes a strand guide for supporting and guiding the strands.
  • the lifting table is associated with an oscillation device, so that mandatory both molds together have to perform a predetermined oscillation movement and therefore individual parameter setting for each metal strand to be cast are excluded.
  • From the DE-A 27 02 894 is a multi-strand continuous casting for exclusively simultaneous casting of at least two metal strands known in which the distance of the adjacent casting strands should be reduced by special structural measures to keep the longitudinal extent of the distribution vessel as small as possible. This is achieved by a special arrangement of the drive roller drives.
  • propeller shafts built into one another are proposed, which make all drives possible starting from one side of the installation; on the other hand, it is proposed to arrange the drives above the casting installation.
  • a further advantage of the present invention is that, when two narrower strands are cast in parallel when a disturbance occurs on one strand, the casting of this strand can optionally be stopped and the casting process of the further strand can be continued unabated.
  • This object is achieved on the basis of a continuous casting plant of the type described above in that the continuous casting plant has a space for receiving one or two molds and two oscillating and two strand guides with associated drive means for separate and synchronous operation of the oscillating means and the strand guides are arranged.
  • Each of the two functionally independently operable oscillating means can also comprise a plurality of, but preferably two, oscillating means for stably supporting each mold, which are operated synchronously in each operating case.
  • the space for receiving one or two molds is limited in the strand conveying direction by the at least two oscillating means on which either one or two molds are supported.
  • one mold is assigned to an oscillating device and these can accordingly be operated independently of one another.
  • this mold is supported on both oscillators and these are operated synchronously. It is useful for structural reasons alone if each mold for casting a narrower metal strand is supported on two oscillating devices, which are separated from each other by a free space for the passage of the cast metal strand, but are always operated synchronously. In this sense, a mold for casting a wide metal strand then four oscillating devices are assigned.
  • the two strand guides each of which is associated with a metal strand to be cast, operated independently.
  • the strand guides are operated synchronously, whereby a lateral running of the metal strand can be excluded.
  • All molds used are preferably designed as adjusting molds and have Schmalirritell drivingen for setting the casting width and means for setting a casting width dependent on the casting cone on at least one of the narrow side walls.
  • each of the two oscillating means is associated with a driving means for generating an oscillating motion, and this driving means is connected to a synchronizing means for setting synchronizing conditions of the oscillating motion.
  • the synchronization device for setting synchronous conditions of the oscillation movement of a central processing unit.
  • Each oscillating device comprises a hydraulic actuator, e.g. a controllable pressure medium cylinder, and a control block which controls the oscillation movement generated by the hydraulic actuator.
  • the control block is connected via signal lines with the arithmetic unit, are transmitted from the default values to the control block.
  • the oscillating device may, for example, comprise an adjustable eccentric drive instead of a controllable pressure medium cylinder.
  • Each oscillating device comprises a support block for the support of a mold and on the support surface of each support block and the corresponding counter-support surface on the mold are Schnellkuppel Rheinen for the media supply (coolant, electricity, pressure medium lines, signal lines, etc.) and at least one management and Centering arranged. This ensures a quick and automated mold change.
  • a quick and safe change of mold is achieved when at least one manipulation device for a change of molds, preferably a change carriage, is arranged on the casting platform.
  • the mold change optionally with simultaneous change of the mold following the first strand guide segment, can also be done with a casting platform associated with the hall crane.
  • the space for receiving one or two dies includes two closely parallel spaced parallel strand guides, through which the cast one metal strand or the two metal strands are supported and guided on opposite sides.
  • These two strand guides comprise roller stands with some driven and a plurality of non-driven rollers, the driven rollers being connected to drive means and the drive means of the rollers of both roller stands being connected to a synchronizer for setting synchronized conditions of the driven rollers.
  • the roll stand is subdivided into a plurality of successive segments, as is customary in modern continuous casting plants, and some of the roll pairs in the strand guide, usually one per segment, are coupled to drives and allow the controlled outfeed of the metal strand at a designated take-off speed (casting speed).
  • the synchronization device for setting synchronous conditions of driven rollers in the strand guide is formed by a central processing unit.
  • roller stands An advantageous embodiment of the roller stands is that the co-operating during casting of a wide metal strand rollers or pairs of rollers roller stands are supported in a common support frame or in successive segment frame.
  • Each drive device of a driven roller is connected via a cardan shaft or other drive shaft with this and arranged laterally outside the two adjacent roller stands of the strand guide. If the space provided for this purpose is not sufficient, for example by the arrangement of one or more other strand guides a multi-strand casting or another independent casting, it is also possible to connect the driven roller via a planetary gear and an angle gear with the drive means and the drive means in to arrange a raised position laterally above the two side by side rolling stands of the strand guide.
  • each strand guide is assigned to an independent separation device for the transverse cutting of one of the two parallel cast, narrower metal strands on one of the strand guide following and each of these separating devices carries at least one separating element.
  • dividing elements usually flame cutters are used in slab cross sections.
  • the two separating devices are arranged one behind the other in the strand conveying direction, each separating device bridging both parallel strand guides or the flame cutting roller conveyors arranged in this region and thus enabling each of the two separating devices to selectively divide one of the two parallel cast metal strands.
  • At least one of the two separating devices is equipped for the cross-cutting of a wide metal strand with two cooperating separating elements, wherein in each case one separating element is assigned to a respective flame cutting roller table.
  • the cut takes place with a slight time offset from the edges of the metal strand inwards, as is also the case with conventional continuous casting in the cross-cutting of wide metal strands.
  • the second separator is in this case in a waiting position.
  • the two separating device are arranged side by side and drive during the separating cut in the strand transport direction on roadways, which are arranged at a distance above the flame cutting roller table.
  • the two separation devices are locked by a preferably electro-hydraulically actuated mechanical coupling to each other.
  • the two separation devices can also be equipped with separate travel drives, wherein these travel drives a synchronization device is assigned, which is controlled by a central processing unit.
  • each separating device comprises at least one separating element, preferably formed by a cutting torch, which is arranged on a displacement device and allows a transverse movement to the transport direction of the cast metal strand, the displacement range of at least one of these separating elements of the one separating device into the displacement region of one of the separating elements further separating device protrudes.
  • Downstream roller conveyors are arranged downstream of the strand guides and the associated separating devices, to which a transverse conveying device for changing transport direction of the strand pieces to be taken off transversely to the strand transport direction is assigned.
  • a distributor vessel for the molten metal is positioned between a ladle and the mold or molds.
  • This distribution vessel has a plurality of arranged in a line outlet openings for molten metal, which closure organs are assigned and these closure members are connected via signal lines to the central processing unit and formed activatable depending on the casting format of the downstream mold or dies.
  • the closure members are formed by sliders or plugs, as they are commonly used in continuous casting.
  • two Anfahrstrlinde are used by the strand guide to the exit end of one mold or two molds, which are equipped with two startup heads and when using a mold with a common Anfahrstrangkopf when using two molds.
  • the invention comprises a method for selectively casting a wide metal strand or two narrower metal strands in a continuous casting, wherein formed in a mold an at least partially solidified metal strand and supported and guided in a subsequent strand guide the at least partially solidified metal strand and casting parameters for the casting of each Metal strands are individually adjustable and adjustable. This involves the synchronous adjustment and regulation of the corresponding casting parameters and the individual setting and regulation of the corresponding casting parameters when casting two metal strands in parallel when casting a single wide metal strand.
  • Casting parameters which fundamentally ensure the individually adjustable and controllable casting of each metal strand are in this case the oscillation parameters of the mold of each individual metal strand on the oscillating device and the casting speed or the withdrawal speed of each individual metal strand.
  • the object underlying the invention is achieved in a method of the type described by the fact that used for casting a single wide metal strand a single mold in the continuous casting and supported on at least two synchronously operated oscillating and the cast metal strand is supported in two synchronously operated strand guides and is performed and that for simultaneous casting of two narrower metal strands two independent molds are used in the continuous casting and supported on at least one operated independently of the other oscillating oscillating and the cast metal strands are supported and guided in separately operated strand guides.
  • This continuous casting plant comprises, in the sequence of the production steps of one or two steel strands with a slab cross section, essentially the following components and functions:
  • the molten steel flows through a Screp.2 volume controlled in a distribution vessel 3. From there, the molten steel by a number of Tauchg tellrohren 4 volume controlled in one or two cooled and oscillating moving molds 5, where on the inner mold walls, the solidification of the molten steel and a steel strand begins. 6 is formed according to the predetermined by the mold inner walls form with a steadily growing strand shell and a liquid core.
  • the mold 5 is supported on an oscillating device 7, from which a predetermined oscillation movement, which is substantially influenced by the casting cross-section, the casting speed and the steel quality of the molten steel to be cast, is transferred to the mold 5.
  • the vertically downwardly directed steel strand 6 is supported after leaving the mold 5 in a strand guide 8, guided and further cooled and deflected from the vertical direction in a horizontal direction.
  • the strand guide 8 comprises roller stands 9,10 (outer bow, inner bow) for the support of the two broad sides of the steel strand, which have a tight stocking of non-driven rollers 11 and driven rollers 12 and form a transport channel for the steel strand.
  • Rollers 11, 12 of the two roller stands 9, 10 are summarized in segments and supported in exchangeable in the strand guide 8 successive segment frame 13. In particular, in the case of a straight mold 5, the first segment following the mold is designed as a bending zone 14.
  • an outlet roller table 15 In the area of action of a separating device 16 for the cross-cutting of the already solidified steel strand, the outlet roller table is designed as a flame cutting roller table 22. As dividing elements 17 flame cutter 18 are used. In a downstream cross conveyor 19, the cut pieces cut to length in the separating device are removed from the region of the outlet roller table 15. Furthermore, a manipulator 20 is provided for the use of a Anfahrstranges 21 in the effective range of the Auslaufrollganges 15, which closes the outlet opening of the mold 5 at the start of the casting process. In a continuous casting plant according to the invention for the optional casting of a wide steel strand or a maximum of two narrower steel strands on the other hand, these essential plant components are structurally designed in a special way, as will be explained in more detail below.
  • An essential core component of the continuous casting plant according to the invention is the mold for casting a wide steel strand or the two molds for casting two metal strands which are narrower in comparison and the oscillating devices which support these molds and oscillate.
  • Fig. 4 for casting a wide steel strand
  • Fig. 2 and 3 for the casting of two relatively comparatively narrower steel strands.
  • the Fig. 2 and 4 show with dash-dotted lines a limited space 25 in the machine head of the continuous casting for selectively receiving a mold 5 or two molds 5a, 5b, said limited space 25 in the casting direction G of the respective steel strands Abstützblöcke 26 of the oscillating means 7 is limited, on which rest the mold 5 or the two molds 5a, 5b.
  • the molds can be easily removed by manipulation means 27 from this space 25 and replaced or replaced. Suitable manipulation devices for this change operation are either a change carriage 28 with corresponding gripping devices and with two storage locations for the interchangeable molds or the casting platform 29 serving indoor crane suitable ( Fig. 1 ).
  • the molds 5, 5a, 5b generally have two broad side walls 31 and two narrow side walls 32, 33 which can be clamped between the wide side walls.
  • a mold for casting a wide steel strand 6 ( Fig. 4 ) are the two opposing narrow side walls 32, 33 arranged at the same distance from a mold center axis 34 and allow a symmetrical format adjustment and cone adjustment of the mold with respect to this Kokillen center axis 34 with corresponding narrow-side adjusting means 35, as in a conventional single-strand slab caster is the case.
  • the mold 5 is in this case supported on four oscillating devices 7a, 7b, which ensure the desired oscillatory movement of the mold with synchronous vertical movement.
  • the two molds 5a, 5b for selectively casting two steel strands are supported in the common space 25 in the common space 25 on two parallel to the wide side walls 31 parallel support blocks 26 two oscillators 7a, 7b, wherein the inner narrow side walls of the two molds are arranged next to each other closely adjacent.
  • the narrow construction basically requires different embodiments of these narrow side walls 32, 33 in each of the two molds.
  • the two inner narrow side walls 33, of which only the narrow side wall of a mold is shown, are firmly positioned in their position, optionally a cone adjustment is possible.
  • the two outer narrow side walls 32, of which also only the narrow side wall of a mold is shown are coupled with narrow-side adjusting devices 35 and allow the setting of different strand widths and optionally a cone setting.
  • the tight juxtaposition of the two molds 5a, 5b for simultaneous casting of two steel strands 6a, 6b allows a very compact design of the downstream strand guides and thus a total of a continuous casting with minimized system width.
  • Each of the four support blocks 26 has a number of centering devices 36 and Schnellkuppel Nuren for the media supply 37 (for coolant, power supply, etc.), which are designed as non-illustrated, but well-known plug-in couplings, with mating connections to the respective mold used or each mold used Correspond and thus ensure a fast and tight connection when directly placing the mold on the Abstützblöcken 26.
  • Schnellkuppel interestsen and centering are associated with support surfaces on each support block and counter-support surfaces on the molds.
  • Each oscillating device 7, 7a, 7b comprises a support frame 39 which is detachably mounted on a console in the plant support structure 40.
  • a drive device 41 is anchored, with the support block 26, a predetermined oscillatory motion is applied.
  • guide elements 42 which are formed by leaf springs.
  • a distribution vessel 3 is arranged in a casting position above a mold 5 for casting a single, wide steel strand 6.
  • Molten steel 48 which is introduced into the distribution vessel 3 via a shadow tube, not shown, flows through an outlet opening 49 in the bottom of the distribution vessel 3 and through a submersible pouring tube 4 into the mold cavity of the mold 5.
  • the immersion pouring tube 4 or the outlet opening 49 is a closure element 50 assigned, which is attached to the bottom of the distribution vessel.
  • the closure member 50 consists of a hydraulically or pneumatically actuated slide, with which the supply amount of the molten steel is controlled.
  • FIG. 7 Analogously, in FIG. 7 the same distribution vessel 3 above two molds 5a, 5b arranged for the simultaneous casting of two metal strands 6a, 6b in the operating position.
  • Each of the two molds 6a, 6b is assigned a submersible pouring tube 4 with a closure element 50 for the controlled transfer of molten steel from the common distribution vessel 3.
  • a plurality of outlet openings 49 and associated closure members 50 are provided in the bottom of the distribution vessel 3, by vertical, dotted lines represent the center axes 51 a, 51 b, 51 c, 51 d and 51 e of the outlet openings 49 represent.
  • These center axes 51 a to 51 e of the outlet openings are arranged along a straight line, not shown here, which lies in the center plane of the mold.
  • the various outlet openings 49 with the associated closure member 50 can be equipped as needed with Tauchg devisrohren 4 and activated.
  • Each cast steel strand is deflected after leaving the mold in a curved strand guide 8 from a substantially vertical casting direction in a horizontal transport direction.
  • Each of the independent strand guides 8a, 8b comprises a roller stand 9a, 9b for the outer curve and a roller stand 10a, 10b for the inner curve of the continuous casting installation, which consist essentially of a tight corset of driven and non-driven rollers.
  • the two strand guides are preferably divided into segments which comprise sections of the strand guides lying next to one another.
  • Fig. 8 shows a cross section through such a segment with driven rollers 12, which form two pairs of rollers and the two cast steel strands 6a, 6b independently support and promote.
  • the rollers associated with the respective steel strands are coupled to drive means 53 for determining the individual casting speed.
  • the roles of the outer arch of both strand guides 8a, 8b are supported in a common, both strand guides supporting support frame 54 or segment frame and form the fixed side of the strand guide.
  • the rollers of the inner bow are supported separately for each strand guide 8a, 8b in independent roller supports 55a, 55b and are fastened via articulated connections 56a, 56b in the common support frame 57 or segment frame.
  • the independent roller carriers 55a, 55b are vertically displaceable on guides, not shown, of the support frame and can be pressed against the respective steel strand with pressure medium cylinders 58a, 58b between the roller carriers 55a, 55b and the support frame 57, so that a predetermined torque can be transmitted.
  • the support frame 54 of the outer arch and the support frame 57 of the inner arc are defined by lateral clamping devices 59 in the segment and correspond to the usual structure of a strand guide segment.
  • Fig. 9 shows a very closely adjacent arrangement of two continuous casting of the type according to the invention, in which the overall system width is minimized.
  • the two outer strand guides laterally far projecting drive means 53 of the driven rollers 12 via planetary gear 60, coupled angle gear 61 and cardan shafts 62 in a raised position laterally above the two adjacent two inner roller stands 8b, 8a arranged. It is also within the scope of the invention if only one of the two continuous casting is formed according to the invention.
  • the drive means 53a, 53b of the driven rollers 12a, 12b are controlled by synchronization means 46 for setting synchronizing conditions (Roller speed) controlled. Equally, a balancing of the contact pressure of the driven rollers on the steel strand by a Gleichbeetzschung or synchronization of the control blocks 63 and thus the pressure medium cylinder 58a, 58b via the synchronization device 46 and central processing unit.
  • the pressure cylinder 58a acts between the roller carrier 55a and the common support frame 57 and the pressure cylinder 58b acts between the roller carrier 55b and the common support frame 57 and thus allows an individual employment of particular driven rollers to the steel strand.
  • strand guides 8, 8a, 8b there is a continuous cooling of the steel strand, which is still liquid in the core region, to a strand temperature which ensures through-solidification and enables the strand separation.
  • strand cooling is of particular importance.
  • Fig. 11 shows a spray nozzle assembly for a tailored to the casting of a wide steel strand strand cooling and Fig. 12 one on the casting of two accordingly narrower steel strands tuned strand cooling.
  • spray nozzles 65a, 65b, 65c, 65d, 65e are arranged in several rows running in the casting direction, preferably as shown in five rows, which can be acted upon individually or in groups.
  • all five spray nozzles or spray nozzle rows are in use ( Fig. 11 ) and ensure a uniform coolant loading of the strand surface transversely to the casting direction or strand transport direction.
  • the two outer spray nozzles 65a, 65b and 65d, 65e are in operation and the middle spray nozzle 65c is switched off ( Fig. 12 ). Only the left or right steel strand 6a or 6b can be cast. Accordingly, only the two nozzles assigned to this strand are then activated. An adaptation to any possible operating situation is thus possible in principle.
  • Fig. 14 is the situation in cross-promotion a wide slab and in Fig. 15 is the situation in the cross promotion of two contrast narrower slabs illustrated.
  • the two outlet roller conveyors 15a, 15b are in the area of action of two separating devices 16a. 16b as a flame cutting roller tables 22a, 22b formed in a conventional manner ( Figure 13 ).
  • the two separators designed as flame cutting machines are arranged one behind the other in the strand transport direction indicated by arrows at a distance which is sufficient to be able to cut one of the two cast steel strands at maximum casting width along this path.
  • Each of the separating devices 16a, 16b is assigned to a flame cutting roller table 22a, 22b and thus to one of the two steel strands.
  • the transverse dividing takes place with only one of the two separating devices, during which the second separating device is in a waiting position.
  • the two separating devices 16a, 16b are identical. They consist in each case of a portal 81 which can be moved parallel to the strand transport direction on lateral carriageways 80a, 80b and which bridges the two flame-cutting roller conveyors 22a, 22b. On the cross member 82 of the portal 81 83 two dividing elements 17 are slidably disposed on horizontal guides.
  • the separating elements 17 of a separating device can be used both for the transverse cutting of a wide strand or one of two narrower steel strands.
  • Fig. 14 represented is a wide slab in a take-off area of the run-out roller tables, in which a transverse conveyor 19 is arranged, which comprises two Abschiebehaken 70 and two displacement drive 71, which moves the slab from a position A on the exit roller tables 15a, 15b in a position B to a further Abierrollgang 72a shifts.
  • this discharge roller table the slab is removed from the plant area and not shown further processing facilities or a storage space supplied.
  • Fig. 15 is shown on each of the roller tables a narrow slab in the removal area of the outlet roller tables 15a, 15b, where the two slabs are moved with the transverse conveyors 19a, 19b in directions away from each other on Ab thoroughroll sau 72a and 72b. This is done with the Displacement drives 71 a, 71 b and the Abschiebehaken 70 a, 70 b from the positions A, A 'on the exit roller tables 15 a, 15 b in positions B, B' on the respective adjacent Ab thoroughroll sau 72 a or 72 b.
  • the individual mold for casting a wide steel strand or the two molds for casting two contrast narrower steel strands on the output side of their mold cavity to be closed by a Anfahrstrang that is usually introduced along the strand guide from the bottom to the mold.
  • a Anfahrstrangkopf 75 which is coupled to two Anfahrstrnature 21 a, 21 b articulated, projects into the mold cavity of a continuous casting mold 5 for casting a wide steel strand and closes this on the output side.
  • the driven rollers 12a, 12b of the two strand guides 8a, 8b which are indicated by dotted lines attack synchronized by the synchronization device 46 synchronized to the two Anfahrstrfite 21 a and 21 b and thus prevent in the conveying movement in the two strand guides a tilting of the Anfahrstrangkopfes.
  • the starting situation 21a closes with the Anfahrstrangkopf 75a the output side end of the continuous casting mold 5a and analogously closes the Anfahrstrang 21 b with the Anfahrstrangkopf 75 b the output side end of the continuous casting mold 5b.
  • the Anfahrstrang 21 a is associated with the strand guide 8a and is moved individually by the driven roller 12a in the strand guide. Completely independently of the starter strand 21 b can be promoted in the strand guide 8 b by the driven rollers 12 b. Thus, a start of each strand is possible regardless of time of the other.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Metal Rolling (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Seal Device For Vehicle (AREA)

Claims (19)

  1. Installation de coulée continue qui permet de couler sélectivement une large barre métallique (6) ou au maximum deux barres métalliques (6a, 6b) plus étroites que la précédente, et qui comprend au moins un récipient répartiteur (3), une lingotière (5) soutenue sur un dispositif oscillant (7) et suivie par un guide (8) de barre,
    caractérisée en ce que
    l'installation de coulée continue présente un espace (25) qui reprend sélectivement une lingotière (5) ou deux lingotières (5a, 5b) et en ce que deux dispositifs oscillants (7a, 7b) et deux guides (8a, 8b) de barre auxquels sont associés des dispositifs d'entraînement (41) qui permettent d'entraîner séparément et de manière synchronisée les dispositifs oscillants (7a, 7b) et les guides (8a, 8b) de barre sont prévus.
  2. Installation de coulée continue selon la revendication 1, caractérisée en ce qu'à chacun des dispositifs oscillants (7a, 7b) est associé un dispositif d'entraînement (41) qui crée un déplacement d'oscillation et en ce que ces dispositifs d'entraînement (41) sont reliés à un dispositif de synchronisation (46) qui établit des conditions de synchronisme des déplacements d'oscillation.
  3. Installation de coulée continue selon la revendication 2, caractérisée en ce que le dispositif de synchronisation (46) qui établit les conditions de synchronisme des déplacements d'oscillation est formé par une unité centrale de calcul (45).
  4. Installation de coulée continue selon l'une des revendications précédentes, caractérisée en ce que chaque dispositif oscillant (7a, 7b) comprend un actionneur hydraulique (41) et un bloc de commande (44) qui est relié à une unité de calcul (45) par des conducteurs de signaux.
  5. Installation de coulée continue selon l'une des revendications précédentes, caractérisée en ce que chaque dispositif oscillant (7a, 7b) comprend un bloc de soutien (26, 26a, 26b, 26c, 26d) qui soutient une lingotière (5, 5a, 5b) et en ce que des dispositifs (37) d'accompagnement rapide à l'alimentation en fluide et au moins un dispositif de centrage (36) sont disposés sur la surface d'appui de chaque bloc de soutien et la surface complémentaire d'appui correspondante de la lingotière,.
  6. Guide de barre selon l'une des revendications précédentes, caractérisé en ce qu'au moins un dispositif de manipulation (27) qui permet d'exécuter le remplacement des coquilles est disposé sur une plate-forme de coulée (29).
  7. Installation de coulée continue selon l'une des revendications précédentes, caractérisée en ce que les deux guides (8a, 8b) de barre qui s'étendent en parallèle comprennent des bâtis (9a, 9b, 10a, 10b) à rouleaux dotés de rouleaux entraînés (12, 12a, 12b) et de rouleaux non entraînés (11), en ce que les rouleaux entraînés sont reliés à des dispositifs d'entraînement (53) et les dispositifs d'entraînement des rouleaux des deux bâtis (9a, 9b, 10a, 10b) à rouleaux sont reliés à un dispositif de synchronisation (46) qui établit des conditions de synchronisme sur les rouleaux entraînés (12, 12a, 12b).
  8. Installation de coulée continue selon la revendication 7, caractérisée en ce que le dispositif de synchronisation (46) qui sert à établir des conditions de synchronisme sur les rouleaux entraînés du guide de barre est formé par une unité centrale de calcul (45).
  9. Installation de coulée continue selon les revendications 7 ou 8, caractérisée en ce que lors de la coulée d'une large barre métallique, les rouleaux (11, 12, 12a, 12b) ou les paires de rouleaux des deux bâtis (9a, 9b, 10a, 10b) à rouleaux qui coopèrent sont soutenus dans un châssis de support commun (54) ou dans des châssis segmentés.
  10. Installation de coulée continue selon la revendication 9, caractérisée en ce que le rouleau de déplacement relatif d'une paire de rouleaux ou les rouleaux de déplacement relatif d'un groupe de paires de rouleaux sont fixés dans chacun des deux bâtis (9a, 9b) à rouleaux sur des supports indépendants (55a, 55b) de rouleaux qui sont soutenus dans le châssis de support commun (57) ou dans des châssis segmentés.
  11. Installation de coulée continue selon la revendication 7, caractérisée en ce que chaque dispositif d'entraînement (53) d'un rouleau entraîné (12a, 12b) est relié à ce dernier par un arbre de cardan (62) et en ce qu'il est disposé latéralement à l'extérieur des deux bâtis (9a, 10a et 9b, 10b) à rouleaux qui s'étendent l'un à côté de l'autre des guides (8a, 8b) de barre.
  12. Installation de coulée continue selon la revendication 11, caractérisée en ce que lorsque les guides (8a, 8b) de barre d'au moins deux installations de coulée continue sont disposés en paire l'un à côté de l'autre, les rouleaux entraînés (12b, 12a) situés du côté intérieur sont reliés par une transmission planétaire (60) et une transmission angulaire (61) au dispositif d'entraînement (53) et en ce que le dispositif d'entraînement est disposé dans une position relevée à côté et au dessus des deux bâtis à rouleaux qui s'étendent l'un à côté de l'autre des guides (8b, 8a) de barre.
  13. Installation de coulée continue selon l'une des revendications précédentes, caractérisée en ce qu'un dispositif indépendant de séparation (16a, 16b) qui sépare transversalement l'une des deux barres métalliques étroites (6a, 6b) coulées en parallèle est associé à chaque guide (8a, 8b) de barre, chacun de ces dispositifs de séparation portant au moins un élément de séparation (17).
  14. Installation de coulée continue selon la revendication 13, caractérisée en ce que deux dispositifs de séparation (16a, 16b) qui chevauchent chacun les deux guides (8a, 8b) de barre ou les deux pistes à rouleaux d'oxycoupage (22a, 22b) sont disposés l'un derrière l'autre dans la direction d'avancement de la barre.
  15. Installation de coulée continue selon les revendications 13 ou 14, caractérisée en ce qu'au moins l'un des deux dispositifs de séparation (16a, 16b) qui découpent transversalement une large barre métallique (6) est doté d'éléments de séparation (17) qui coopèrent ensemble.
  16. Installation de coulée continue selon l'une des revendications précédentes, caractérisée en ce que les guides (8a, 8b) de barre et les dispositifs de séparation (16) sont suivis par des pistes de sortie (15a, 15b) à rouleaux auxquelles un dispositif (19, 19a, 19b) de transport transversal est associé pour alterner la direction de transport des morceaux de barre qui doivent être évacués transversalement à la direction de transport des barres.
  17. Installation de coulée continue selon l'une des revendications précédentes, caractérisée en ce que le récipient répartiteur (3) présente plusieurs ouvertures (49) de sortie de métal en fusion disposées à distance l'une à côté de l'autre, en ce que des organes de fermeture (50) sont associés aux ouvertures de sortie et en ce que ces organes de fermeture sont reliés à l'unité centrale de calcul (45) par des conducteurs de signaux.
  18. Installation de coulée continue selon l'une des revendications précédentes, caractérisée en ce que deux barres de départ (21a, 21b) sont associées à l'installation de coulée continue et en ce que ces barres sont dotées de têtes (75a, 75b) de barre de départ séparées lorsqu'on utilise deux lingotières (5a, 5b) et sont équipées d'une tête commune (75) de barre de départ lorsqu'on utilise une seule lingotière (5).
  19. Procédé de coulée sélective d'une large barre (6) ou de deux barres métalliques (6a, 6b) plus étroites que la première dans une installation de coulée continue, une barre métallique au moins partiellement solidifiée étant formée dans une lingotière (5) et la barre métallique au moins partiellement solidifiée étant soutenue et guidée dans un guide (8) de barre situé en aval, les paramètres de coulée de chaque barre métallique (6, 6a, 6b) pouvant être ajustés et régulés individuellement aussi bien lors de la coulée d'une barre métallique (6) que lors de la coulée parallèle de deux barres métalliques (6a, 6b),
    caractérisé en ce que
    - pour couler une seule barre métallique large (6), on utilise une seule lingotière (5) dans l'installation de coulée continue et on la soutient sur au moins deux dispositifs oscillants (7a, 7b) entraînés de manière synchronisée, la barre métallique coulée étant soutenue et guidée dans deux guides (8a, 8b) de barre entraînés de manière synchronisée et
    - en ce que pour couler simultanément deux barres métalliques étroites (6a, 6b), on utilise des lingotières (5a, 5b) indépendantes l'une de l'autre dans l'installation de coulée continue et on les soutient sur au moins un dispositif oscillant (7b ou 7a) entraîné indépendamment de l'autre dispositif oscillant (7a ou 7b), les barres métalliques coulées étant soutenues et guidées dans des guides (8a, 8b) de barre entraînés séparément l'un de l'autre.
EP05739881A 2004-06-09 2005-04-28 Installation de coulee continue et procede permettant au choix de couler une large barre metallique ou un maximum de deux barres metalliques etroites Not-in-force EP1761349B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0100404A AT414221B (de) 2004-06-09 2004-06-09 Stranggiessanlage und verfahren zum wahlweisen giessen eines breiten metallstranges oder maximal zweier demgegenüber schmälerer metallstränge
PCT/EP2005/004570 WO2005120746A2 (fr) 2004-06-09 2005-04-28 Installation de coulee continue et procede permettant au choix de couler une large barre metallique ou un maximum de deux barres metalliques etroites

Publications (2)

Publication Number Publication Date
EP1761349A2 EP1761349A2 (fr) 2007-03-14
EP1761349B1 true EP1761349B1 (fr) 2008-09-03

Family

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EP05739881A Not-in-force EP1761349B1 (fr) 2004-06-09 2005-04-28 Installation de coulee continue et procede permettant au choix de couler une large barre metallique ou un maximum de deux barres metalliques etroites

Country Status (7)

Country Link
EP (1) EP1761349B1 (fr)
JP (1) JP4908413B2 (fr)
CN (1) CN1993195B (fr)
AT (2) AT414221B (fr)
DE (1) DE502005005270D1 (fr)
RU (1) RU2370338C2 (fr)
WO (1) WO2005120746A2 (fr)

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AT506673B1 (de) 2008-05-13 2012-07-15 Siemens Vai Metals Tech Gmbh Verfahren zur kühlmittelaufbringung auf einen gegossenen metallstrang in einer stranggiessanlage und stranggiessanlage dazu
AT506824B1 (de) * 2008-05-26 2013-01-15 Siemens Vai Metals Tech Gmbh Mehrstrang-stranggiessanlage
AT509352B1 (de) * 2010-02-05 2014-06-15 Siemens Vai Metals Tech Gmbh Strangführungssegment in kassettenbauweise mit einzelrollenanstellung
KR101360552B1 (ko) * 2011-12-19 2014-02-11 주식회사 포스코 연주 설비
CN103182488B (zh) * 2013-04-08 2016-03-16 中国重型机械研究院股份公司 一种一机两流板坯连铸机及其生产方法
AT516300B1 (de) * 2014-09-23 2016-09-15 Primetals Technologies Austria GmbH Verfahren zum raschen Umbau einer einsträngigen Brammen-Stranggießanlage in eine mehrsträngige Knüppel-Stranggießanlage und vice versa
CN106541704B (zh) * 2016-11-04 2018-07-03 马钢(集团)控股有限公司 一种圆柱钢锭分离式双端面读码***
CN109482826B (zh) * 2018-12-28 2024-01-30 宁夏铸源机械制造有限公司 生产电石用回转式自动浇铸设备
CN109604543B (zh) * 2018-12-28 2024-01-26 宁夏铸源机械制造有限公司 铸造电石料同步破碎式回转浇铸设备
RU2698005C1 (ru) * 2019-05-06 2019-08-21 Общество с ограниченной ответственностью "Инновационные металлургические технологии" (ООО "ИНМЕТ") Криволинейная установка для непрерывной разливки сортовых заготовок

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JPS5290421A (en) * 1976-01-27 1977-07-29 Ishikawajima Harima Heavy Ind Pinch roll apparatus in poly strand continuous casting equipment
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JPS5623252U (fr) * 1979-07-25 1981-03-02
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JPS6024457U (ja) * 1983-07-28 1985-02-19 川崎製鉄株式会社 兼用型連続鋳造装置の鋳片引抜き装置
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Also Published As

Publication number Publication date
JP4908413B2 (ja) 2012-04-04
WO2005120746A2 (fr) 2005-12-22
AT414221B (de) 2006-10-15
ATA10042004A (de) 2006-01-15
WO2005120746A3 (fr) 2006-03-16
CN1993195B (zh) 2010-05-05
EP1761349A2 (fr) 2007-03-14
DE502005005270D1 (de) 2008-10-16
ATE406969T1 (de) 2008-09-15
RU2370338C2 (ru) 2009-10-20
JP2008501532A (ja) 2008-01-24
CN1993195A (zh) 2007-07-04
RU2006146803A (ru) 2008-07-20

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