EP2673099B1 - Procédé de régulation d'une température d'une barre de coulée par positionnement d'une buse de refroidissement déplaçable dans un dispositif de guidage de barres de coulée d'une installation de coulée continue - Google Patents

Procédé de régulation d'une température d'une barre de coulée par positionnement d'une buse de refroidissement déplaçable dans un dispositif de guidage de barres de coulée d'une installation de coulée continue Download PDF

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Publication number
EP2673099B1
EP2673099B1 EP11805854.4A EP11805854A EP2673099B1 EP 2673099 B1 EP2673099 B1 EP 2673099B1 EP 11805854 A EP11805854 A EP 11805854A EP 2673099 B1 EP2673099 B1 EP 2673099B1
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European Patent Office
Prior art keywords
strand
temperature
cooling nozzle
control
positioning
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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.)
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EP11805854.4A
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German (de)
English (en)
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EP2673099A1 (fr
Inventor
Kurt Dittenberger
Paul Pennerstorfer
Franz Ramstorfer
Philipp Wieser
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Primetals Technologies Austria GmbH
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Primetals Technologies Austria GmbH
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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
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • 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
    • 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
    • B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
    • 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
    • B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
    • B22D11/225—Controlling or regulating processes or operations for cooling cast stock or mould for secondary cooling

Definitions

  • Movable cooling nozzles are used in continuous casting plants, in particular in continuous slab casters, in particular to the edge temperature or the temperature near the edge of the strand as a function of the strand width (see FIGS. 1a and 1b ) and the operating conditions. So it is already known, a cooling nozzle a certain value x1 or x2 from the edge of the strand (see Fig. 2 ) depending on the machine position, the strand age or the shell thickness of the strand (see Fig. 3 ) in a direction transverse to the casting direction of the strand, in particular to prevent the overcooling of the edge or of the edge region of the strand.

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

Claims (13)

  1. Procédé pour la régulation d'une température d'une barre (1), de préférence d'une brame en acier (1), par le positionnement d'une buse de refroidissement (4) déplaçable dans un dispositif de guidage de barres d'une installation de coulée continue, avec les étapes de procédé suivantes :
    - détermination d'au moins une valeur de température T (16) de la barre (1) dans une direction perpendiculaire à la direction de coulée (9) de la barre (1) ;
    - détermination d'une erreur de régulation e (14) par la soustraction de la valeur de température T (16) d'une température théorique TThéorique (17) de la barre (1), concrètement e = TThéorique - T ;
    - calcul d'une grandeur de régulation r (15) en fonction de l'erreur de régulation e (14) à l'aide d'une loi de régulation ; et
    - positionnement de la buse de refroidissement (4) dans la direction perpendiculaire à la direction de coulée (9) de la barre (1) en fonction de la grandeur de régulation r (15), de telle sorte que l'erreur de régulation e (14) soit minimisée.
  2. Procédé selon la revendication 1, caractérisé en ce que la détermination de la valeur de température T (16) s'effectue sur un bord de barre (10) de la barre (1).
  3. Procédé pour la régulation d'un profil de température d'une barre (1), de préférence d'une brame en acier, par le positionnement d'une buse de refroidissement (4) déplaçable dans un dispositif de guidage de barres d'une installation de coulée continue, avec les étapes de procédé suivantes :
    - détermination d'un profil de température T (21) de la barre (1) dans une direction perpendiculaire à la direction de coulée (9) de la barre (1) ;
    - détermination d'un profil d'écart de température ΔT (20) par la soustraction du profil de température T (21) d'un profil de température théorique TThéorique (19) de la barre (1), concrètement ΔT = TThéorique - T ;
    - calcul d'une erreur de régulation e (14) par application d'une fonction de coût scalaire f (22) sur le profil d'écart de température ΔT (20), concrètement e = f(ΔT) ;
    - calcul d'une grandeur de régulation r (15) en fonction de l'erreur de régulation e (14) à l'aide d'une loi de régulation ; et
    - positionnement de la buse de refroidissement (4) dans la direction perpendiculaire à la direction de coulée (9) en fonction de la grandeur de régulation r (15), de telle sorte que l'erreur de régulation e (14) soit minimisée.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que la détermination de la valeur de température T (16) ou du profil de température T (21) s'effectue par l'observation d'un observateur d'état (18), contenant un modèle de traitement avec une équation de conductivité thermique thermodynamique pour la barre (1).
  5. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que la détermination de la valeur de température T (16) ou du profil de température T (21) s'effectue par mesure d'au moins une température de la barre (1).
  6. Procédé selon la revendication 5, caractérisé en ce que la mesure de la température s'effectue par évaluation du rayonnement thermique de la barre (1).
  7. Procédé selon la revendication 3, caractérisé en ce que la fonction de coût f (22) calcule la norme maximale e = f ΔT = ‖ ΔT ‖ ∞ .
    Figure imgb0006
  8. Procédé selon la revendication 3, caractérisé en ce que la fonction de coût f (22) calcule la norme deux e = f ΔT = ‖ ΔT ‖ 2 .
    Figure imgb0007
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que la loi de régulation possède un comportement de régulation linéaire.
  10. Procédé selon la revendication 9, caractérisé en ce que la loi de régulation possède une caractéristique d'un P, PI, PID, H2, H∞ ou d'un régulateur d'état.
  11. Procédé selon l'une des revendications 1 à 8, caractérisé en ce que la loi de régulation possède un comportement de régulation non linéaire.
  12. Procédé selon l'une des revendications précédentes, caractérisé en ce que le procédé est mis en oeuvre en temps réel.
  13. Procédé selon la revendication 4, caractérisé en ce que l'observateur d'état (18) observe une moitié de barre d'un côté d'un axe de symétrie (2) de la barre (1).
EP11805854.4A 2011-02-07 2011-12-23 Procédé de régulation d'une température d'une barre de coulée par positionnement d'une buse de refroidissement déplaçable dans un dispositif de guidage de barres de coulée d'une installation de coulée continue Active EP2673099B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11805854.4A EP2673099B1 (fr) 2011-02-07 2011-12-23 Procédé de régulation d'une température d'une barre de coulée par positionnement d'une buse de refroidissement déplaçable dans un dispositif de guidage de barres de coulée d'une installation de coulée continue

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11153465 2011-02-07
EP11805854.4A EP2673099B1 (fr) 2011-02-07 2011-12-23 Procédé de régulation d'une température d'une barre de coulée par positionnement d'une buse de refroidissement déplaçable dans un dispositif de guidage de barres de coulée d'une installation de coulée continue
PCT/EP2011/073939 WO2012107143A1 (fr) 2011-02-07 2011-12-23 Procédé de régulation d'une température d'une barre de coulée par positionnement d'une buse de refroidissement déplaçable dans un dispositif de guidage de barres de coulée d'une installation de coulée continue

Publications (2)

Publication Number Publication Date
EP2673099A1 EP2673099A1 (fr) 2013-12-18
EP2673099B1 true EP2673099B1 (fr) 2017-12-06

Family

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EP11805854.4A Active EP2673099B1 (fr) 2011-02-07 2011-12-23 Procédé de régulation d'une température d'une barre de coulée par positionnement d'une buse de refroidissement déplaçable dans un dispositif de guidage de barres de coulée d'une installation de coulée continue

Country Status (5)

Country Link
EP (1) EP2673099B1 (fr)
KR (1) KR101806819B1 (fr)
CN (1) CN103347626B (fr)
DE (1) DE112011104849B4 (fr)
WO (1) WO2012107143A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015223787A1 (de) * 2015-10-09 2017-04-13 Sms Group Gmbh Verfahren und Vorrichtung zum Herstellen eines metallischen Bandes durch Endloswalzen
DE102017213854A1 (de) 2017-08-09 2019-02-14 Sms Group Gmbh Anlage und Verfahren zur Herstellung eines metallischen Produkts
CN111368416B (zh) * 2020-03-02 2020-11-13 三鑫重工机械有限公司 一种大型铸钢件充型感知修正方法及系统
KR102395906B1 (ko) 2021-10-13 2022-05-10 (주)메코텍티타늄 치과 임플란트용 픽스츄어 보관 케이스

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT408197B (de) * 1993-05-24 2001-09-25 Voest Alpine Ind Anlagen Verfahren zum stranggiessen eines metallstranges
KR100244640B1 (ko) * 1995-12-29 2000-03-02 이구택 연속주조주편의 냉각방법
DE19850253A1 (de) * 1998-10-31 2000-05-04 Schloemann Siemag Ag Verfahren und System zur Regelung von Kühlstrecken
DE19854675C2 (de) * 1998-11-26 2002-09-26 Thyssenkrupp Stahl Ag Vorrichtung zum Kühlen eines Metallbandes, insbesondere eies Warmbreitbandes
DE19963186B4 (de) * 1999-12-27 2005-04-14 Siemens Ag Verfahren zur Steuerung und/oder Regelung der Kühlstrecke einer Warmbandstrasse zum Walzen von Metallband und zugehörige Vorrichtung
AT409352B (de) * 2000-06-02 2002-07-25 Voest Alpine Ind Anlagen Verfahren zum stranggiessen eines metallstranges
DE10156008A1 (de) * 2001-11-15 2003-06-05 Siemens Ag Steuerverfahren für eine einer Kühlstrecke vorgeordnete Fertigstraße zum Walzen von Metall-Warmband
AT503526B1 (de) * 2006-04-25 2008-07-15 Voest Alpine Ind Anlagen Spritzdüsen-verstelleinrichtung
US20070251663A1 (en) * 2006-04-28 2007-11-01 William Sheldon Active temperature feedback control of continuous casting
US20090084517A1 (en) * 2007-05-07 2009-04-02 Thomas Brian G Cooling control system for continuous casting of metal
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
AT506847B1 (de) * 2008-05-21 2011-07-15 Siemens Vai Metals Tech Gmbh Verfahren zum stranggiessen eines metallstrangs
DE102009010251A1 (de) * 2008-10-01 2010-04-08 Sms Siemag Aktiengesellschaft Vorrichtung und Verfahren zur Sekundärkühlung in einer Stranggießanlage
EP2280323A1 (fr) * 2009-07-08 2011-02-02 Siemens Aktiengesellschaft Procédé de commande pour un dispositif d'influence destiné à un produit de laminage

Also Published As

Publication number Publication date
DE112011104849B4 (de) 2019-05-09
KR20140004742A (ko) 2014-01-13
CN103347626B (zh) 2015-07-22
EP2673099A1 (fr) 2013-12-18
DE112011104849A5 (de) 2013-11-07
KR101806819B1 (ko) 2017-12-08
CN103347626A (zh) 2013-10-09
WO2012107143A1 (fr) 2012-08-16

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