EP2288458B1 - Segment de guide-barre - Google Patents

Segment de guide-barre Download PDF

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Publication number
EP2288458B1
EP2288458B1 EP09749734A EP09749734A EP2288458B1 EP 2288458 B1 EP2288458 B1 EP 2288458B1 EP 09749734 A EP09749734 A EP 09749734A EP 09749734 A EP09749734 A EP 09749734A EP 2288458 B1 EP2288458 B1 EP 2288458B1
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EP
European Patent Office
Prior art keywords
strand guide
strand
segment
assigned
guide segment
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.)
Active
Application number
EP09749734A
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German (de)
English (en)
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EP2288458A1 (fr
Inventor
Reinhard Simon
Josef Guttenbrunner
Gerhard Kern
Franz Leingruber
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.)
Primetals Technologies Austria GmbH
Original Assignee
Siemens VAI Metals Technologies GmbH Austria
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Publication date
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Publication of EP2288458A1 publication Critical patent/EP2288458A1/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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1282—Vertical casting and curving the cast stock to the horizontal
    • 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
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing

Definitions

  • the invention relates to a strand guide segment in the strand guide of a billet or Vorblockstranggitados with a segment frame in the strand guide rollers are arranged in pairs opposite each other for four-sided supporting and guiding a cast metal strand with square or rectangular cross-section centric to a G manmittenachse.
  • From the EP 512 306 is a trained as a caster scaffolding guide segment for guiding and supporting a cast metal strand with still a pronounced liquid core known, as it is used immediately after a mold.
  • the strand guide rollers are supported in a common for all strand guide rollers support frame. such However, roller scaffoldings must always be exchanged when the format is changed in the mold.
  • strand guide segments In the continuous casting of metal strands with a rectangular cross-section, it is usual to provide strand guide segments, regardless of the cross-sectional dimensions, with which the metal strand is supported and guided on its broad sides by successive strand guide rollers.
  • These segments consist of an outer arch segment frame and an inner arc segment frame.
  • strand guide rollers In an outer arch segment frame (fixed side), strand guide rollers assume a fixed position and determine the course of the strand guide.
  • strand guide rollers In an inner arc segment frame strand guide rollers are supported, which are displaceable together with the inner arc segment frame and are adjustable to changing strand thicknesses. An additional support of the metal strand on its narrow side is not provided here in most cases.
  • a strand guide frame in the straightening zone of a continuous casting known, in which in a scaffolding frame opposite each other a strand guide roller in an outer arch frame and relative thereto adjustable a strand guide roller are supported in an inner arc segment frame.
  • adjustable a strand guide roller are provided between the strand guide rollers additional, engageable laterally on the strand support rollers whose support frame about a pivot axis in a very limited extent or with a parallel link system to the Strand are adjustable ( FIG. 1 of the EP 64 227 ).
  • a strand guide segment of this type is spatially very extensive, difficult to replace and with great expenditure of time and thus little suitable for a billet or bloom.
  • the object of the present invention is therefore to avoid the disadvantages of the known prior art and to propose a strand guide segment for a billet and in particular for a Vorblockstrangg intelligent fabric, which in a wide range to different strand cross sections both in terms of thickness and in terms of the width extension of a planned Strangformates is automatically adjustable.
  • the object is also to propose an improved adaptable to different strand cross-sections cooling device.
  • strand formats for strands with a strand thickness between 230 and 300 mm and a strand width between 280 and 480 mm should be supported and guided on four sides.
  • the segment should be able to open up to 350 mm in the thickness direction and 520 mm in the width direction.
  • the two support frames are L-shaped and form a G stealmittenachse enclosing the quarter.
  • Each support frame is associated with a controllable displacement device which is supported on a guide column of the segment frame.
  • the roller holder associated with the inner arc of the strand guide frame is assigned a controllable displacement device. With this displacement device, a format adaptation in the direction of the thickness extension of the cast strand is made possible and attached to this inner-arc displacement device strand guide rollers employed on the strand.
  • one of the lateral roller holders which is aligned normal to the roller holder associated with the inner arc of the strand guide segment, is displaceably guided on this roller holder in the direction of the opposite roller holder or away from it.
  • This displaceable lateral roller holder is associated with a controllable displacement device which is supported on the inner sheet associated with roller holder.
  • controllable displacement devices are designed as hydraulic cylinders, and each hydraulic cylinder is associated with a displacement measuring device or a position detection system.
  • each hydraulic cylinder is associated with a displacement measuring device or a position detection system.
  • outer-bow side and the inner-bow side Roller holder outer and inner arc injection register associated with injectable between the strand guide rollers spray nozzles.
  • the outer and inner arc spray registers are slidably supported in a Spritzregisterrahmen and connected to the spray register frame supported injection register adjustment for adjusting the spray nozzle position of the spray nozzle register in dependence on the set casting width.
  • Each support frame for the width adjustment is associated with a control edge, which cooperates with a guide surface on the spray nozzle register, which is preferably designed as an inclined wedge surface.
  • the lateral roller holders are associated with lateral injection register, These lateral injection registers are assigned in the Spritzregisterrahmen supported injection register adjustment for centric positioning of the spray nozzles on the set format thickness.
  • controllable injection register displacement devices are designed analogously to the displacement devices for the roller holder as a hydraulic cylinder.
  • each hydraulic cylinder of the injection register displacement device is associated with a displacement measuring device or a position detection system.
  • the displacement devices for the roll holders and the measuring and adjusting devices assigned to them are connected via data lines to a computing unit which, taking into account measured data of the mold or corresponding default values of a higher-order guidance device, adjusts the format in the strand guide segment or more consecutive strand guide segments controls or controls.
  • the displacement device for spray nozzle register with measuring and adjusting devices equipped, which are connected via data lines with a computing unit and are controlled by this.
  • An additional improvement in the quality of the cast metal strand can be achieved if the arithmetic unit for the control of at least one strand guide segments mathematical sub-models are assigned, of which control signals for the controlled positioning of at least one of the shifting devices for performing a soft reduction, a liquid soft reduction, a controlled cone setting, a metallurgical surface treatment or other metallurgical or thermal treatment of the metal strand are generated and that the arithmetic unit controls or controls the format adaptation in the strand guide segment or a plurality of successive strand guide segments according to these control signals.
  • FIGS. 1 and 2 In each case, a partial area of a billet continuous casting plant is shown schematically, which shows a mold 1 and a first portion of a strand guide 2 downstream of the mold.
  • the mold 1 is formed as a plate mold, with a mold cavity 3 for receiving molten metal and the formation of a metal strand with a liquid core and a predetermined cross-sectional format.
  • the mold 1 is associated with a G cordmittenachse 4, which results from the specified casting thickness D and casting width B, and the mold 1 has a fixed side F, with the generatrix of the strand guide rollers 5 on the fixed side in the downstream strand guide segments 6, 7, the eighth , 9 is aligned.
  • the strand guide several strand guide segments are arranged, in which the cast strand as in FIG.
  • FIG. 2 an embodiment of a strand guide is shown in which an all-round strand support of the strand with still pronounced liquid core over several consecutive strand guide segments 6, 8, 9 of the type according to the invention takes place. It can also be arranged over the entire strand guide segments of the type according to the invention.
  • the strand guide segments are adjusted with fasteners not shown 9 on a segment support frame 10 in the strand guide and fixed.
  • FIG. 3 shows a strand guide segment 6 in an oblique view. All components of the strand guide segment, which are explained below, are arranged in a rigid segment frame 11.
  • the block-shaped basic structure of the segment frame 11 consists of four cylindrical guide columns 12 which are rigidly fastened by their ends in two connecting frames 13 ( Figure 4 ).
  • Two of the guide columns 12a arranged one above the other in the casting direction G are assigned to the outer arc in the strand guide and accordingly form the fixed side F in the strand guide and the opposite guide columns 12b are assigned to the inner arc of the strand guide and form the loose side L in the strand guide 2 (FIG. Fig.1 ).
  • L-shaped support frame 15a, 15b Both on the fixed side F and on the Losseite L each one in its basic structure L-shaped support frame 15a, 15b is arranged.
  • Each support frame 15a, 15b engages with annular support tabs 16 two associated guide columns 12a or 12b, on which it is slidably supported in the longitudinal direction of the guide columns 12a, 12b.
  • the displacement movement of the support frame 15a, 15b takes place with a controllable displacement device 17 formed by a hydraulic cylinder, which is articulated on one of the annular support lugs 16 of the support frame 15a, 15b and on the guide column 12a, 12b.
  • the controllable displacement devices 17 assigned to the two support frames 15a, 15b are oppositely positioned and effective, so that, in the case of a casting format width change, a symmetrical, oppositely directed displacement movement of the two support frames 15a, 15b takes place relative to the casting center axis 4.
  • the two L-shaped support frame are arranged so that they form a G stealmitten axis encompassing the quadrant.
  • the L-shaped structure of the two support frames 15a, 15b favor the stable arrangement of the cast strand supporting and leading strand guide rollers 5 on all four sides of the cast strand along its length over the respective segment length, as in Figs FIGS. 5 and 6 shown.
  • five strand guide rollers 5 arranged one behind the other in the strand conveying direction are rotatably supported on four roller holders 18a, 18b, 18c, 18d.
  • a roller holder 18a for the support of the strand in the direction of its width extension B is assigned to the support frame 15a on the fixed side F and fixed thereon immovably and directly on it.
  • the generatrix of these strand guide rollers 5 is aligned with the fixed side of the mold.
  • a roller holder 18c for the support of the strand in the direction of its thickness extension D is also fixed directly on the loose side L associated support frame 15b and immovably on him. These two roller holders 18a, 18c are at right angles to each other.
  • the strand guide rollers 5 assigned to these two roller holders 18a, 18c determine the position of the cast strand in the strand guide segment 6 as a function of the format width B of the strand.
  • the two other roller holders 18b, 18d lying opposite these roller holders 18a, 18c must assume a position in the format adjustment process which corresponds to the selected strand width B and strand thickness D and can therefore assume a position independent of the position of the two support frames 18a, 18c.
  • the roll holder 18b associated with the loose side L carries on its rear side also a L-shaped support frame 21 to which the roll holder 18d for the support of the cast strand is fastened along its thickness.
  • This L-shaped support frame 21 is slidably guided with its one leg 21a at the back of the Losson-Rollenhatters 18b parallel to its width extension and connected to a controllable displacement device 22 which is supported on the back of the roller holder 18b.
  • the format adaptation to the casting width B is in the Figures 10 and 11 illustrated in two different casting widths B.
  • FIGS. 12 to 14 the facilities for cooling the cast metal strand and for the format-dependent adjustment to the metal strand are shown.
  • All four roller holders 18a, 18b, 18c, 18d are each assigned an injection register 24a, 24b, 24c, 24d for strand cooling.
  • Each injection register has in each case at least one spray nozzle 25 between strand conveying rollers 5 which follow each other in the direction of strand conveyance and which are directed centrally, ie at the same distance from the strand edges, onto the strand surface.
  • the spray nozzle 25 leaving fan-like emerging coolant jet 26 thus ensures a uniform strand cooling and avoids overspray the strand edges.
  • Outer and inner arc injection register 24a, 24b are on an integrated in the segment frame 10 spray register frame 27 on guide rods 28 in Slidably guided in the direction of the strand surface of the metal strand and are connected to a spray register displacement device 29, which in turn is abstützgest the Spritzregisterrahmen 27.
  • Each support frame 15a, 15b for the width adjustment is associated with a control edge 31 formed by a sloping wedge surface 30, which cooperates with a guide surface 32 on Spritzregisterrahmen 27 and brings the spray nozzles in a central position to the broad side of the cast strand or between the side roller carriers. In order for a spraying width-dependent positioning of the spray nozzle is ensured in a certain normal distance from the strand surface to be cooled and by the additional central centering edge overjections are avoided.
  • the side roller holders 24 c, 24 d assigned to the lateral roller holders 18 c, 18 d are likewise guided in the spray register frame 27 on guide rods 28 and coupled to an injection register displacement device 29, which in turn is supported on the spray register frame 27.
  • the guide rods 28 allow the injection register 24c, 24d to be displaced in a direction parallel to the longitudinal extent of the strand guide rollers 5 on the lateral roller holders 18c, 18d.
  • In the illustrated embodiment is not intended to additional employment in the normal direction on the strand surface, but it is quite possible to provide this analogous to the Spritzregisterangna on the loose and fixed side.
  • the controllable displacement devices 17, 20, 22 are formed by controllable hydraulic cylinders, to each of which a path measuring device or a position recognition system 34 is assigned.
  • Data lines 35 which may also be formed as a data bus system, which may also represent a radio link, connect the displacement devices 17, 20, 22 or their associated measuring and control devices 34 with a regulating arithmetic unit 33.
  • the computer is in a higher-level system Integrated circuit and receives format specifying default data, which it includes in the segment control or the control of several co-operating strand guide segments.
  • Strand guide segments of this type are not exclusively for supporting and guiding square or rectangular strand formats usable. They can equally be used for supporting and guiding strands with different strand formats, such as round, rounded, polygonal or beam-blank cross-sections.

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

Abstract

L’invention a pour objet un segment de guide-barre dans le guide-barre d’une installation de coulée continue à billettes ou à blooms, comprenant un cadre de segment (11), dans lequel des rouleaux de guide-barre (5) sont agencés de manière opposée par paires afin de soutenir sur quatre côtés et de guider une barre métallique coulée présentant une section carrée ou rectangulaire de manière centrale par rapport à un axe central de coulée (4). L’invention vise à mettre au point un segment de guide-barre, qui puisse être réglé automatiquement, dans une large mesure, sur différentes sections de barre, tant du point de vue de l’augmentation de l’épaisseur (D) que de la largeur (B) d’un format de barre défini. A cet effet, l’invention propose une combinaison de supports de rouleaux (18a, 18b, 18c, 18d), indépendants les uns des autres, portant des rouleaux de guide-barre (5) positionnables dans un cadre de segment (11).

Claims (14)

  1. Segment de guidage de barre dans le guidage (2) d'une barre d'installations de coulée de billettes ou de brames, le segment de guidage présentant
    un bâti (11) de segment dans lequel des galets (5) de guidage de barre sont disposés par paires opposées pour soutenir et guider sur quatre côtés, centralement par rapport à l'axe central de coulée (4), une barre métallique coulée de section transversale carrée ou rectangulaire,
    caractérisé en ce que
    quatre supports de galets (18a, 18b, 18c, 18d) sur chacun desquels plusieurs galets (5) de guidage de barre sont disposés sont soutenus à déplacement relatif mutuel dans le bâti (11) de segment,
    en ce que le bâti (11) de segment comporte des poutres de guidage (12a, 12b) et un bâti de liaison (13) qui positionne mutuellement les poutres de guidage (12a, 12b),
    en ce que deux bâtis de support (15a, 15b) à chacun desquels deux porte-galets (18a, 18c et 18b, 18d) orientés perpendiculairement l'un à l'autre sont associés sont disposés à coulissement longitudinal sur les poutres de guidage (12a, 12b), les deux bâtis de support (15a, 15b) étant guidés à coulissement symétriquement par rapport à l'axe central de coulée (4),
    en ce qu'un porte-galets (18b) associé à l'arc intérieur (côté libre L) d'un segment de guidage de barre est guidé dans son bâti de support (15b) dans la direction normale à un porte-galets (18a) associé à l'arc extérieur (côté fixe F) du segment de guidage de barre, à coulissement dans les deux sens par rapport à ce porte-galets, et
    en ce qu'un porte-galets (18d) latéral orienté perpendiculairement au porte-galets (18b) associé à l'arc intérieur (côté libre L) est de plus guidé dans les deux sens par rapport au porte-galets (18c) latéral opposé.
  2. Segment de guidage de barre selon la revendication 1, caractérisé en ce que les deux bâtis de support (15a, 15b) ont la forme d'un L et forment un cadre qui entoure l'axe central de coulée (4).
  3. Segment de guidage de barre selon l'une des revendications précédentes, caractérisé en ce qu'un dispositif de déplacement (17) asservi qui est soutenu sur une poutre de guidage (12a, 12b) du bâti (11) de segment est associé à chaque bâti de support (15a, 15b).
  4. Segment de guidage de barre selon l'une des revendications précédentes, caractérisé en ce qu'un dispositif de coulissement (20) asservi est associé au porte-galets (18b) associé à l'arc intérieur (côté libre L) du segment de guidage de barre.
  5. Segment de guidage de barre selon l'une des revendications précédentes, caractérisé en ce que l'un des porte-galets latéraux (18d) orienté perpendiculairement au porte-galets (18b) associé à l'arc intérieur (côté libre L) du segment de guidage de barre est guidé sur ce porte-galets (18b) à coulissement dans les deux sens par rapport au porte-galets (18c) opposé.
  6. Segment de guidage de barre selon la revendication 5, caractérisé en ce qu'un dispositif de coulissement (22) asservi qui est soutenu sur le porte-galets (18b) associé à l'arc intérieur du segment de guidage de barre est associé à ce porte-galets (18d) latéral coulissant.
  7. Segment de guidage de barre selon l'une des revendications précédentes, caractérisé en ce que les dispositifs de déplacement asservis (17, 20, 22) sont configurés comme vérins hydrauliques, un dispositif (34) de mesure de déplacement ou un système de détection de position étant associé à chaque vérin hydraulique.
  8. Segment de guidage de barre selon l'une des revendications précédentes, caractérisé en ce que des registres (24a, 24b) de projection de l'arc extérieur et de l'arc intérieur présentant des tuyères de projection (25) qui peuvent être positionnées entre les galets (5) de guidage de barre sont associés au porte-galets de l'arc extérieur et de l'arc intérieur (18a, 18b), en ce que les registres (24a, 24b) de projection de l'arc extérieur et de l'arc intérieur sont soutenus à coulissement dans un bâti (27) de registres de projection et sont reliés à des dispositifs (29) de déplacement des registres de projection, éventuellement asservis, qui s'appuient sur le bâti de registres de projection et qui ajustent la position des tuyères de projection des registres de tuyères de projection en fonction de la largeur de coulée (B) qui a été établie.
  9. Segment de guidage de barre selon la revendication 8, caractérisé en ce qu'un bord de commande (31) qui coopère avec une surface de guidage (32) prévue sur le registre (24a, 24b) de tuyères de projection et qui est configuré de préférence comme surface (30) en biseau oblique est associé à chaque bâti de support (15a, 15b).
  10. Segment de guidage de barre selon l'une des revendications précédentes, caractérisé en ce que des dispositifs (29) de déplacement des registres de projection, éventuellement asservis, soutenus dans le bâti (27) de registres de projection, sont associés aux registres latéraux de projection (24c, 24d) pour centrer les tuyères de projection (25) sur l'épaisseur (D) sélectionnée pour le format.
  11. Segment de guidage de barre selon l'une des revendications 8 à 10 qui précèdent, caractérisé en ce que les dispositifs asservis de déplacement (29) des registres de projection sont configurés comme vérins hydrauliques.
  12. Segment de guidage de barre selon la revendication 11, caractérisé en ce qu'un dispositif de mesure de déplacement ou un système (34) de détection de position sont associés à chaque vérin hydraulique du dispositif (29) de déplacement des registres de projection.
  13. Segment de guidage de barre selon l'une des revendications précédentes, caractérisé en ce que le dispositif de déplacement (17, 20, 22) prévu pour les porte-galets (18a, 18b, 18c, 18d) et les dispositifs (34) de mesure et d'ajustement qui leurs sont associés sont reliés par des conducteurs de données (35) à une unité de calcul (33) qui régule ou commande l'adaptation (B, D) du format du segment (6) de guidage de barre ou de plusieurs segments (6, 7, 8, 9) de guidage de barre successifs en utilisant les données de mesure obtenues sur la lingotière ou des valeurs de consigne appropriées d'un dispositif de conduite d'ordre hiérarchique plus élevé.
  14. Segment de guidage de barre selon la revendication 13, caractérisé en ce que des modèles mathématiques partiels sont associés à l'unité de calcul (33) pour commander au moins des segments (6, 7, 8, 9) de guidage de barre, les signaux de réglage desquels modèles mathématiques sont utilisés pour positionner de manière contrôlée au moins l'un des dispositifs de déplacement (17, 20, 22) sont générés en vue de conduire une réduction dite douce, une réduction dite douce en phase liquide, l'établissement contrôlé d'un cône, un traitement métallurgique de surface ou un autre traitement métallurgique ou thermique de la barre métallique et en ce que l'unité de calcul régule ou commande l'adaptation du format dans le segment (6) de guidage de barre ou dans plusieurs segments successifs (6, 7, 8, 9) de guidage de barre en fonction de ces signaux de réglage.
EP09749734A 2008-05-23 2009-05-12 Segment de guide-barre Active EP2288458B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0082608A AT506846B1 (de) 2008-05-23 2008-05-23 Strangführungssegment
PCT/EP2009/055697 WO2009141244A1 (fr) 2008-05-23 2009-05-12 Segment de guide-barre

Publications (2)

Publication Number Publication Date
EP2288458A1 EP2288458A1 (fr) 2011-03-02
EP2288458B1 true EP2288458B1 (fr) 2012-05-09

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EP (1) EP2288458B1 (fr)
KR (1) KR101626341B1 (fr)
CN (1) CN102046308B (fr)
AT (2) AT506846B1 (fr)
WO (1) WO2009141244A1 (fr)

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EP2404686A1 (fr) * 2010-07-09 2012-01-11 Siemens VAI Metals Technologies GmbH Support de rouleaux pour un segment de guidage de ligne d'une machine de coulée
CN104117642B (zh) * 2014-07-10 2016-02-03 中国重型机械研究院股份公司 一种镁合金圆坯连铸铸坯拉送机
DE102015202608A1 (de) * 2015-02-13 2016-08-18 Sms Group Gmbh Gießanlage
EP3856433A1 (fr) 2018-09-25 2021-08-04 Primetals Technologies Austria GmbH Support à galets pourvu de dispositifs de retenue pour la fixation de barres de pulvérisation de zone intermédiaire
AT521727A1 (de) * 2018-09-25 2020-04-15 Primetals Technologies Austria GmbH Rollenbock mit elastischen Stützrollen
CN111438344B (zh) * 2019-01-16 2021-11-12 宝山钢铁股份有限公司 一种连铸机液压扇形段热态辊缝的测量装置及其测量方法
CN110773712A (zh) * 2019-12-10 2020-02-11 中冶京诚工程技术有限公司 多边形铸坯的连铸***和连铸工艺
CN111360218A (zh) * 2020-04-20 2020-07-03 中冶京诚工程技术有限公司 拉矫机及方圆坯连铸机
CN111375737A (zh) * 2020-05-06 2020-07-07 中冶京诚工程技术有限公司 侧压拉矫机、连铸机及连铸方法

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JPH0666845U (ja) * 1993-02-19 1994-09-20 川崎製鉄株式会社 連続鋳造設備用鋳型
CN1140364C (zh) * 1999-11-25 2004-03-03 宝山钢铁股份有限公司 连铸机可分式扇形段
AT3953U3 (de) * 2000-06-02 2001-04-25 Voest Alpine Ind Anlagen Strangführungselement und strangführungssegment mit integriertem strangführungselement
KR200291692Y1 (ko) * 2002-07-05 2002-10-11 주식회사 포스코 주편 폭에 따라 분사폭이 가변되는 주편 냉각수 분사장치
KR100472532B1 (ko) * 2002-08-29 2005-03-08 재단법인 포항산업과학연구원 동적 스트랜드 승강 및 압하용 세그먼트 장치
CN2865930Y (zh) * 2006-01-25 2007-02-07 中冶赛迪工程技术股份有限公司 一种扇形段

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109732049A (zh) * 2019-02-21 2019-05-10 东北大学 一种小方坯立式拉坯连铸机及压下工艺装置

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WO2009141244A1 (fr) 2009-11-26
EP2288458A1 (fr) 2011-03-02
AT506846B1 (de) 2011-08-15
ATE556795T1 (de) 2012-05-15
CN102046308A (zh) 2011-05-04
AT506846A1 (de) 2009-12-15
KR20110011705A (ko) 2011-02-08
KR101626341B1 (ko) 2016-06-01
CN102046308B (zh) 2013-09-11

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