EP0734801B2 - Dispositif pour régler une alimentation de métal avec un tampon - Google Patents

Dispositif pour régler une alimentation de métal avec un tampon Download PDF

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Publication number
EP0734801B2
EP0734801B2 EP96104202A EP96104202A EP0734801B2 EP 0734801 B2 EP0734801 B2 EP 0734801B2 EP 96104202 A EP96104202 A EP 96104202A EP 96104202 A EP96104202 A EP 96104202A EP 0734801 B2 EP0734801 B2 EP 0734801B2
Authority
EP
European Patent Office
Prior art keywords
drive
stopper
casting
lifting rod
guide
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
EP96104202A
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German (de)
English (en)
Other versions
EP0734801A1 (fr
EP0734801B1 (fr
Inventor
Markus Schmid
Hans Gloor
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.)
Concast Standard AG
Original Assignee
Concast Standard AG
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Filing date
Publication date
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Application filed by Concast Standard AG filed Critical Concast Standard AG
Publication of EP0734801A1 publication Critical patent/EP0734801A1/fr
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Publication of EP0734801B2 publication Critical patent/EP0734801B2/fr
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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
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/161—Controlling or regulating processes or operations for automatic starting the casting process
    • 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
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/16—Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
    • B22D41/20—Stopper-rod operating equipment

Definitions

  • the invention relates to a device for Regulating a metal inflow from a pouring vessel in a continuous casting mold according to the characteristics of the The preamble of claim 1.
  • DE-1 458 076 A An example of a control device according to the preamble of claim 1 is disclosed in DE-1 458 076 A. With this device, the position of a stopper of a ladle changed in a controlled manner are by means of an electromechanical drive, whose control is operated manually. In an emergency, for example in the event of a power failure, it may be necessary perform a stopper movement manually.
  • DE - 1 180 096 B proposes a compact design for the Actuating device for a stopper of a ladle with manually operated, electromechanical Plug drive before. This example includes the actuating device a plug guide rod, which is formed by the drive itself.
  • a device is known from EP publication 0 444 297 A2 to regulate a metal inflow from a Pouring vessel into a continuous casting mold for one Steel strand known.
  • a plug that can be raised and lowered interacts with a pouring nozzle.
  • the stroke of the Plugging can be done on the one hand by means of a drive, e.g. B. a piston-cylinder unit, and on the other hand in an emergency can be operated by hand using an articulated lever.
  • the Metal inflow according to a predetermined program by means of a computer and / or by means of a bath level measuring device to be controlled.
  • the invention has for its object to provide a stopper control device which overcomes the aforementioned disadvantages and in particular leaves the classic stopper actuation concept, which provides for manual intervention on a stopper regulating lever at the start or in emergency situations.
  • the plug control should also have a significantly higher regulation accuracy and regulation speed in order to further improve the strand quality. For all malfunctions occurring in practice, such as breakthroughs, plug wear and nozzle washing, Al 2 O 3 deposits, etc., predetermined sequence programs should also be able to be used automatically or via remote control.
  • the new plug actuation concept is intended to save personnel costs during commissioning and service, but also during the casting operation itself.
  • the plugs are for the outflow regulation compared to the pouring nozzle as a rule lowered. But plugs are also known to pass through a rotary movement control the outflow control.
  • the guiding device exists for a lifting and lowering stopper from a lifting rod and a guide.
  • the device for regulating the flow of metal the programmed or has to perform remote-controlled casting processes, be attached.
  • the device can save particularly effective according to one embodiment for intermediate vessels for multi-line systems be applied.
  • Such intermediate vessels have up to eight pouring nozzles, each with a stopper regulation on.
  • Module box a device for hanging on Arrange watering vessel and quick release elements to be provided for a rigid attachment.
  • Precise flow control requires one high stroke accuracy, high movement speed the lifting rod and a minimum of movable Parts between the lifting rod and the servo motor.
  • the drive axis of the engine and the Lift rod together with its guide parallel to each other to be arranged in the module box and the rotary movement the motor directly onto a ball screw drive and from this in turn directly to the lifting rod transfer.
  • the control accuracy can be further increased when the vertical guide of the lifting rod consists of a ball bearing longitudinal guide and their length is 50 - 80% of the intermediate vessel height (bottom cover layer) is.
  • a handwheel on the spindle of the ball screw drive can be coupled.
  • the Pouring nozzle an emergency slide with a cap assigned.
  • a pouring vessel 1 and 2 is a pouring vessel as an intermediate vessel 2 within a continuous steel caster shown.
  • a continuous casting mold 3 provides a casting mold
  • a pouring nozzle 4 acts with a lifting and lowerable plug 5 together and regulates the steel flow from the intermediate vessel 2 into the continuous casting mold 3.
  • the inflow of steel into the mold 3 is after a predetermined program, e.g. an entertainment program, and / or after a bath level measuring device 7 controlled.
  • the refractory stopper 5 encases the stopper rod 8, which has an arm 9 with a lifting rod 10 is connected.
  • the lifting rod 10 is in one Vertical guide 12 arranged in this example consists of a ball bearing longitudinal guide.
  • On computer controlled electromechanical drive in the Form of a servo motor 13 is together with the lifting rod 10 and its vertical guide 12 in a module box 15 arranged.
  • the module box 15 is on Intermediate vessel 2 with clamping elements 16 interchangeable attached. To ensure easy replacement, are on the module box 15 Suspension devices 17 are provided.
  • the clamping elements 16 are as quick release and centering elements educated. Between the wall 19 of the tundish 2 and the module box 15 is an open air gap 20 arranged.
  • the module box 15 is through a cover 21 sealed dust-proof and via a compressed air connection 22 an air overpressure can be built up.
  • the air pressure is part of an air circulation system 23, which is represented by arrow.
  • the air circulation system 23 in the module box serves as Coolant for the motor 13, a ball screw 27, 28, the lifting rod 10 and the plug support arm 9.
  • a drive axis 25 of the motor 13 is over a flexible, angularly rigid coupling 26 with the ball screw 27 connected.
  • the spindle 27 forms together with a nut 28 a ball screw drive, the nut 28 and the lifting rod 10 over a bridge 29 are rigidly connected. About the bridge 29 becomes the path of the mother 28 directly onto the Transfer lifting rod 10.
  • the drive shaft 25 with the Spindle 27 are parallel and at a short distance from Lift rod 10 arranged in the module box 15.
  • a Handwheel 30 arranged, which can be coupled to the spindle 27 and a height adjustment of the lifting rod 10 allowed if the electrical connection cable to the Engine is unplugged.
  • a signal generator 33 connected to a power failure detected and a computer in the control cabinet 34 reports are further in the electrical Drive supply capacitors arranged whose Capacity for a program-controlled emergency closing movement of the plug is sufficient in the event of a power failure.
  • a plug control device is also a malfunction subjected that come from the refractory side, such as breaking refractory parts on the stopper, breaking or wash out the pouring nozzle etc. order a Leakage of the intermediate vessel in an emergency situation regardless of the stopper control, is an emergency slide controlled by a piston-cylinder unit 36 attached to the intermediate vessel bottom. With a locking block of the emergency slide 36 can Outflow nozzle 4 closed and, if necessary, a pouring tube can be separated at the same time. The Medium for the actuation of the emergency slide is from delivered an accumulator.
  • Intermediate vessels for continuous casting plants are provided with up to eight plugs, each plug its own module box and its own control assigned. If the intermediate vessel from the preheating position in the pouring position over the molds or brought into a filling position near the pouring position, see above the plug drive motor is started by means of electrical connectors 37 to the control cabinet 34 connected. After this connection the Stopper movement from the start of pouring only controlled by electrical signals.
  • Transmission means such as wire, light guide, radio, infrared etc., find application.

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

Claims (13)

  1. Dispositif pour réguler une alimentation de métal d'un récipient de coulée (2) avec un bouchon (5) qui coopère avec une buse de coulée (4), avec un caisson modulaire (15) fixé de manière interchangeable au récipient de coulée (2) avec des éléments de montage (16) et dans lequel sont disposés un dispositif de guidage (10, 12) et un dispositif d'entraínement électromécanique (13) pour le bouchon (5) et le dispositif d'entraínement (13) peut être relié, au moyen de connexions électriques à fiches (37), avec un dispositif de commande (34), caractérisé en ce que le récipient de coulée est conçu sous la forme d'un récipient intermédiaire (2) d'une installation de coulée continue et qu'il est prévu un dispositif de commande par ordinateur (34) pour le dispositif d'entraínement (13) pour commander le mouvement du bouchon selon un programme prédéterminé et au moyen d'un dispositif de mesure de niveau de bain (7) d'une coquille de coulée continue (3), que le mouvement du bouchon à partir du début de la coulée peut être commandé exclusivement par le dispositif d'entraínement électrique et des signaux électriques, que les incidents anormaux se dessinant peuvent être reconnus par la saisie de paramètres correspondants et corrigés par des programmes prédéterminées, qu'est associé dans l'alimentation en courant (32) pour le dispositif d'entraínement (13) un transmetteur de signaux (33) pour une détection rapide d'une panne de courant et que le transmetteur de signaux (33) déclenche par l'intermédiaire du dispositif de commande par ordinateur (34) et du dispositif d'entraínement (13) alimenté en courant un mouvement de fermeture d'urgence en cas de panne de courant.
  2. Dispositif selon la revendication 1, caractérisé en ce que le caisson modulaire (15) peut être fermé de manière étanche aux poussières et peut être soumis à une surpression d'air.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le dispositif de guidage pour un bouchon capable de monter et de descendre consiste en une tige (10) et en un guide (12).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le récipient de coulée consiste en un récipient intermédiaire (2) pour une installation à plusieurs lignes et est équipé de 2 à 8 caissons modulaires (15).
  5. Dispositif selon la revendication 2, caractérisé en ce que la surpression d'air est établie par l'intermédiaire d'un système de circulation d'air (23) et l'air traverse sous forme d'agent réfrigérant le caisson modulaire (15), la tige (10) et une console de bouchon (9).
  6. Dispositif selon l'une des revendications 2 à 5, caractérisé en ce qu'un espace ouvert (20) est disposé entre la paroi (19) du récipient de coulée (2) et le caisson modulaire (15).
  7. Dispositif selon l'une des revendications 2 à 6, caractérisé en ce qu'il est prévu sur le caisson modulaire (15) un dispositif d'accrochage (17) au récipient de coulée (2) et des éléments de montage rapide (16) pour une fixation rigide.
  8. Dispositif selon l'une des revendications 2 à 7, caractérisé en ce que l'axe d'entraínement (25) du dispositif d'entraínement (13) et la tige (10) ainsi que son guide (12) sont disposés parallèlement entre eux dans le caisson modulaire (15) et le dispositif d'entraínement (13) transmet le mouvement de rotation directement à une vis à billes (27, 28) et de celle-ci un mouvement de course directement à la tige (10).
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce qu'un volant à main (30) peut être couplé à une broche filetée (27) de la vis à billes et découplé de celle-ci.
  10. Dispositif selon la revendication 1, caractérisé en ce que l'alimentation en courant (32) pour le dispositif d'entraínement (13) comprend des condensateurs dont la capacité est suffisante pour un mouvement de fermeture d'urgence du bouchon (5) commandé par programme en cas de panne de courant.
  11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que le guide vertical (12) de la tige (10) consiste en un guide longitudinal monté sur roulement à billes et sa longueur L est égale à 50 à 80 %, de préférence 70 à 80 %, de la hauteur (39) (fond-support de couvercle) du récipient intermédiaire.
  12. Dispositif selon l'une des revendications 1 à 11, caractérisé en ce qu'un coulisseau d'urgence (36) avec un obturateur est associé à la buse de coulée (4).
  13. Dispositif selon la revendication 12, caractérisé en ce que le coulisseau d'urgence est muni d'une unité à piston et cylindre et d'un accumulateur pour l'agent d'actionnement.
EP96104202A 1995-03-28 1996-03-16 Dispositif pour régler une alimentation de métal avec un tampon Expired - Lifetime EP0734801B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH00870/95A CH689728A5 (de) 1995-03-28 1995-03-28 Vorrichtung zum Regeln eines Zuflusses einer Metallschmelze mittels eines Stopfens.
CH87095 1995-03-28
CH870/95 1995-03-28

Publications (3)

Publication Number Publication Date
EP0734801A1 EP0734801A1 (fr) 1996-10-02
EP0734801B1 EP0734801B1 (fr) 1999-07-28
EP0734801B2 true EP0734801B2 (fr) 2003-02-05

Family

ID=4197097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96104202A Expired - Lifetime EP0734801B2 (fr) 1995-03-28 1996-03-16 Dispositif pour régler une alimentation de métal avec un tampon

Country Status (6)

Country Link
US (1) US5674426A (fr)
EP (1) EP0734801B2 (fr)
CA (1) CA2172335C (fr)
CH (1) CH689728A5 (fr)
DE (1) DE59602511D1 (fr)
ES (1) ES2137580T5 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6446704B1 (en) * 1997-06-27 2002-09-10 Richard J. Collins Continuous casting mold plug activation and bleedout detection system
DE19843033B4 (de) * 1998-09-19 2017-11-09 Sms Group Gmbh Durchbrucherkennungsverfahren für eine Stranggießkokille
FR2848131B1 (fr) * 2002-12-04 2006-01-06 Realisations Tech Sert Soc Et Ensemble de commande d'un obturateur appartenant a une installation de coulee continue, et installation de coulee continue correspondante
US7296613B2 (en) 2003-06-13 2007-11-20 Wagstaff, Inc. Mold table sensing and automation system
ITMI20042301A1 (it) * 2004-11-30 2005-02-28 Danieli Off Mecc Dispositivo di comando di un'asta-tampone
DE102005024924B8 (de) * 2005-05-23 2007-10-25 Strikowestofen Gmbh Schmelz- oder Warmhalteofen
US20070120707A1 (en) * 2005-11-29 2007-05-31 Rv Insite, Inc. Method for positioning recreational vehicles and portable position sensor and alert system for recreational vehicles and other vehicles
US8210402B2 (en) * 2009-02-09 2012-07-03 Ajf, Inc. Slag control shape device with L-shape loading bracket
US8580186B2 (en) * 2010-04-19 2013-11-12 Novelis Inc. Flow control apparatus for molten metal
EP2574414A1 (fr) * 2011-09-30 2013-04-03 Siemens VAI Metals Technologies GmbH Entraînement de bouchon électromagnétique
AT518476B1 (de) * 2016-04-12 2020-02-15 Primetals Technologies Austria GmbH Verfahren zum Starten und Stoppen einer mehrsträngigen Stranggießmaschine, Gemeinsamer Stopfenantrieb und Mehrsträngige Stranggießmaschine
EP3782748A1 (fr) * 2019-08-20 2021-02-24 Refractory Intellectual Property GmbH & Co. KG Dispositif d'entraînement pour une fermeture de type quenouille dans un récipient métallurgique
CN110961612A (zh) * 2019-12-31 2020-04-07 衡阳镭目科技有限责任公司 双杆式塞棒执行装置
AT17334U1 (de) * 2020-08-26 2021-12-15 Sheffield Hi Tech Refractories Germany Gmbh Vorrichtung zum Verschließen eines Gießrohres eines metallurgischen Gefäßes

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0299255A (ja) † 1988-05-16 1990-04-11 Nippon Steel Corp 薄肉鋼板用の連続鋳造機の湯面制御装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1139241B (de) * 1960-08-23 1962-11-08 Juenkerather Maschbau Gmbh Betaetigungsvorrichtung fuer den Stopfen einer Giesspfanne
DE1180096B (de) * 1962-03-31 1964-10-22 Juenkerather Maschbau Gmbh Betaetigungsvorrichtung fuer den Stopfen einer Giesspfanne
DE1458076A1 (de) * 1963-03-25 1968-11-21 Korthaus Helmut Einrichtung zur elektromotorischen Steuerung des Verschlussstopfens einer Giesspfanne
DE8510920U1 (de) * 1985-04-13 1986-08-07 Ruhrgas Ag, 4300 Essen Notschieber für Verteilerrinnen von Stranggießanlagen
EP0296443A3 (fr) * 1987-06-22 1989-11-08 Zimmermann & Jansen GmbH Procédé et dispositif pour le remplissage automatique d'une lingotière de coulée continue
CH682376A5 (de) * 1990-02-28 1993-09-15 Stopinc Ag Verfahren zum automatischen Angiessen von einer Stranggiessanlage.
JPH04270049A (ja) * 1991-02-25 1992-09-25 Sumitomo Metal Ind Ltd 連続鋳造機のストッパ装置及び湯面レべル制御装置
US5312090A (en) * 1992-12-14 1994-05-17 Cmi International Apparatus and method for controlling a stopper rod of a bottom pouring vessel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0299255A (ja) † 1988-05-16 1990-04-11 Nippon Steel Corp 薄肉鋼板用の連続鋳造機の湯面制御装置

Also Published As

Publication number Publication date
CA2172335A1 (fr) 1996-09-29
US5674426A (en) 1997-10-07
EP0734801A1 (fr) 1996-10-02
EP0734801B1 (fr) 1999-07-28
CA2172335C (fr) 2001-06-12
ES2137580T5 (es) 2003-08-01
ES2137580T3 (es) 1999-12-16
CH689728A5 (de) 1999-09-30
DE59602511D1 (de) 1999-09-02

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