EP2049286B1 - Lingotière de coulée continue pour métal liquide, notamment matériaux liquides d'aciérie - Google Patents

Lingotière de coulée continue pour métal liquide, notamment matériaux liquides d'aciérie Download PDF

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Publication number
EP2049286B1
EP2049286B1 EP07786460.1A EP07786460A EP2049286B1 EP 2049286 B1 EP2049286 B1 EP 2049286B1 EP 07786460 A EP07786460 A EP 07786460A EP 2049286 B1 EP2049286 B1 EP 2049286B1
Authority
EP
European Patent Office
Prior art keywords
mould
thickness
wide
section
coolant
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.)
Not-in-force
Application number
EP07786460.1A
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German (de)
English (en)
Other versions
EP2049286A1 (fr
Inventor
Hans Streubel
Gereon Fehlemann
Albrecht Girgensohn
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.)
SMS Group GmbH
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SMS Group GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP2049286A1 publication Critical patent/EP2049286A1/fr
Application granted granted Critical
Publication of EP2049286B1 publication Critical patent/EP2049286B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/055—Cooling the moulds
    • 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
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/0408—Moulds for casting thin slabs

Definitions

  • the invention relates to a continuous casting mold for liquid metals, in particular for liquid steel materials, with surrounding for the supply and discharge of coolant from water tanks, the G confusequerites parallel and / or curved course limiting KokillenbreitSTplatten and Kokillenschmaltimeplatten of copper materials, and a plurality of coolant channels for passing coolant, wherein the coolant channels in the G confuseaptrobe Symposium Ultra-Time (GPU) has a minimum coolant channel cross-section while reducing the thickness of the respective Kokillenbreitputplatte, wherein when new, the thickness of Kokillenbreitlopeplatte as the distance between the hot side and the coolant channel reason as normal thickness (100%) is at least 20 mm, and wherein the thickness of the Kokillenbreitputplatte is formed in the region of the casting mirror relative to the normal thickness reduced.
  • the temperature of the mold surface on the hot side which is in contact with the liquid steel or the solidifying strand shell, is also considerably different.
  • the locally higher surface temperatures on the hot side of the mold also lead to higher wear in these areas, which can manifest itself in local distortions or in cracking.
  • the entire surface of the mold plate including the less stressed or usable surfaces must be reworked, which can only be done by milling or another cutting process.
  • the initially described continuous casting mold is from the DE 102 26 214 A1 known.
  • the existing there from copper material cassette-like inserts rest on steel insert plates and can be replaced.
  • the thickness of the copper plates between the coolant and the copper plate hot side is different across the width and / or height of the mold.
  • the coolant channel cross-section is designed in the height in the GelloLite #2 as a minimum thickness and in the lower regions of the coolant channel cross-section is always larger, and the lower portion of the thickness of the copper plate is always made larger. All these measures can not prevent the above-described wear of the copper plates after a number of casts.
  • the publication DE 102 26 214 A1 describes a continuous casting mold for liquid metals, surrounded by water tanks steel inserts plates, and with these adjacent cartridge-like copper plates, in which coolant channels are incorporated.
  • the device provides a suitable design of the copper plates and / or Stahleinatzplatten, wherein the thickness of the copper plates between the cooling medium and the copper plate hot side is different across the width and / or height.
  • the WO 00/41828 A1 shows a crystallizer for casting metal, with circular holes for passing a cooling liquid.
  • the holes have a longitudinal axis which is substantially parallel to a longitudinal axis of the crystallizer over the entire height of the crystallizer.
  • a continuous casting mold made of copper or a copper alloy and a steel water tank, which is releasably connected to the mold plate.
  • the mold plate On the side facing the water tank, the mold plate is provided with running in the casting direction cooling channels for a cooling medium.
  • the flow cross sections of the cooling channels are determined by releasably inserted patches.
  • the EP 0 931 609 B1 describes a liquid-cooled mold for a continuous casting, in which deep-mounted cooling grooves are arranged in the critically stressed area.
  • the invention has for its object to reduce different heat loads of the continuous casting mold within the Kokillenbreitrageplatte and thereby reduce wear.
  • the invention is characterized in that the thickness (6) of the Kokillenbreitputplatte (2) in the G recognizeador Scheme (5) is reduced by at least 20% compared to the normal thickness, and for reducing the coolant channel cross-section (7) in the G recognizeador Maschinenmaschine (2) and is formed up to the Kokillenausgang (9) by means of a respective fixed on the cold side adjustable filler (10) made of normal temperature resistant material.
  • the stated object is achieved by a continuous casting mold (1) for liquid metals, in particular for liquid steel materials, surrounded by for the supply and discharge of coolant (1a) of water tanks, the casting cross-section (1b) with parallel and / or curved course limiting Kokillenbreit
  • the thickness (6) of the Kokillenbreitputplatte (2) in the G recognizeador Scheme (5) is reduced by at least 20% compared to the normal thickness, and on the adapter plate (14) for forming the minimum coolant channel cross-section (7) an exchangeable displacement body (15) is provided, wherein the coolant channel cross-section (7) in the G recognizeador Scheme (5) is reduced by the displacement body (15).
  • the thickness is usually 25 mm when new. This value is now reduced by at least 5 mm (20%) to 20 mm.
  • An embodiment of the invention provides that the displacement body is formed with different profiles, stored and exchangeably secured.
  • the continuous casting mold 1 ( Fig. 1 ) is formed by two Kokillenbreitputplatten 2 limiting the casting cross section 1b and by Kokillenschmaltimeplatten located at the ends 3, wherein a coolant 1a (such as water) under pressure through coolant channels 4 ( Fig. 2 to 4 ) to be led.
  • a coolant 1a such as water
  • coolant channels 4 Fig. 2 to 4
  • 5 different areas 5a and 5b of the heat flux density are formed by the influence of a dip tube 12 in G faux Spiegel Scheme.
  • the heat flux density in the regions 5a is higher than in the region 5b.
  • the thickness 6 of Kokillenbreitetterplatte 2 which is usually in the new state between 20 to 40 mm or more, to be set as the usual standard thickness of 100%.
  • the corrected new condition in the area of the pouring mirror, as shown, is only 80%.
  • Fig. 2 is the coolant channel cross-section 7 in G confuseador Maschinenmaschine 5 and to Kokillenausgang 9 each formed by a fixed on the cold side filler 10 made of normal temperature resistant material.
  • the filler can be adjustable at least to reduce the coolant channel cross-section 7.
  • Fig. 3 shows a design of the continuous casting mold 1 for a two-part cassettes mold, again the G fauxadorrios 5 is shown with the region 5a of the higher heat flux density in the casting direction 13 within the funnel-shaped extension 11.
  • the so-called cassette mold consists essentially of the Kokillenbreitetterplatte 2 described above and a rear adapter plate 14, between which the coolant passage 4 extends, through which the coolant is supplied and discharged 1a.
  • the individual coolant channels 4 can be milled deeper into the material in the area below the casting mirror 5.
  • Correspondingly shaped displacement bodies 15 reduce the coolant channel cross section 7 and increase the coolant speed in this area.
  • At least the Kokillenbreitputplatten 2 are formed as cassette plates, which abaucharacter on the cold side on cooled adapter plates 14, which need not necessarily consist of copper materials abut.
  • a separate displacement body 15 is provided on the adapter plate 14 to form the minimum coolant channel cross-section 7.
  • the displacer 15 is formed with different profiles and can be stored and exchangeable.
  • Fig. 4 are in the Kokillenbreitetterplatte 2, the coolant channels 4 in the width direction 8 arranged in groups. Groups of different numbers of coolant channels 4 can be formed. Between the vertical rows of coolant channels 4 fastening threads 16 are arranged.

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

Claims (3)

  1. Lingotière de coulée continue (1) pour des métaux liquides, en particulier pour des matériaux sidérurgiques liquides, comprenant des plaques (2) le long des grands côtés de la lingotière et des plaques (3) le long des petits côtés de la lingotière, constituées par des matériaux à base de cuivre, délimitant avec une forme parallèle et/ou bombée la section transversale de coulée (1b), entourées par des bacs d'eau pour l'alimentation et l'évacuation d'un fluide de refroidissement (1a), et une multitude de canaux (4) pour le fluide de refroidissement du côté froid des plaques (2) le long des grands côtés de la lingotière et des plaques (3) le long des petits côtés de la lingotière, les canaux (4) pour le fluide de refroidissement présentant, dans la zone de la surface du bain (5), en passant par une diminution de l'épaisseur (6) de la plaque respective (2) le long des grands côtés de la lingotière, une section transversale minimale du canal (7) pour le fluide de refroidissement, dans laquelle, à l'état neuf, l'épaisseur (6) de la plaque (2) le long des grands côtés de la lingotière, sous la forme de la distance s'étendant entre le côté chaud et la base du canal pour le fluide de refroidissement, dite épaisseur normale (100 %), s'élève à au moins 20 mm ; dans laquelle l'épaisseur (6) de la plaque (2) le long des grands côtés de la lingotière dans la zone de la surface du bain (5) est réalisée pour être réduite par rapport à l'épaisseur normale ; et dans laquelle la section transversale du canal (7) pour le fluide de refroidissement dans la zone de la surface du bain (5) présente une section transversale réduite ;
    caractérisée en ce que l'épaisseur (6) de la plaque (2) le long des grands côtés de la lingotière dans la zone de la surface du bain (5) est réduite d'au moins 20 % par rapport à l'épaisseur normale ; et,
    pour la réduction de la section transversale du canal (7) pour le fluide de refroidissement, celle-ci est réalisée, dans la zone de la surface du bain (5) et jusqu'à la sortie de la lingotière (9), au moyen respectivement d'une pièce intercalaire réglable (10) fixée du côté froid, constituée d'un matériau résistant aux températures normales,
  2. Lingotière de coulée continue (1) pour des métaux liquides, en particulier pour des matériaux sidérurgiques liquides, comprenant des plaques (2) le long des grands côtés de la lingotière et des plaques (3) le long des petits côtés de la lingotière, constituées par des matériaux à base de cuivre, délimitant avec une forme parallèle et/ou bombée la section transversale de coulée (1b), entourées par des bacs d'eau pour l'alimentation et l'évacuation du fluide de refroidissement (1a), et une multitude de canaux (4) pour le fluide de refroidissement du côté froid des plaques (2) le long des grands côtés de la lingotière et des plaques (3) le long des petits côtés de la lingotière, les canaux (4) pour le fluide de refroidissement présentant, dans la zone de la surface du bain (5), en passant par une diminution de l'épaisseur (6) de la plaque respective (2) le long des grands côtés de la lingotière, une section transversale minimale du canal (7) pour le fluide de refroidissement, dans laquelle, à l'état neuf, l'épaisseur (6) de la plaque (2) le long des grands côtés de la lingotière, sous la forme de la distance s'étendant entre le côté chaud et la base du canal pour le fluide de refroidissement, dite épaisseur normale (100 %), s'élève à au moins 20 mm ; dans laquelle l'épaisseur (6) de la plaque (2) le long des grands côtés de la lingotière dans la zone de la surface du bain (5) est réalisée pour être réduite par rapport à l'épaisseur normale ; et dans laquelle au moins les plaques (2) le long des grands côtés de la lingotière sont réalisées d'une manière apte à être démontées, sous la forme de plaques en forme de cassettes, qui viennent s'appuyer, du côté froid, contre des plaques refroidies (14) faisant office d'adaptateur ;
    caractérisée en ce que l'épaisseur (6) de la plaque (2) le long des grands côtés de la lingotière dans la zone de la surface du bain (5) est réduite d'au moins 20 % par rapport à l'épaisseur normale ; et
    un corps de déplacement (15) est prévu, d'une manière telle qu'il peut être remplacé, sur la plaque (14) faisant office d'adaptateur pour la formation de la section transversale minimale (7) du canal pour le fluide de refroidissement ;
    dans laquelle la section transversale (7) du canal pour le fluide de refroidissement est réduite dans la zone de surface du bain (5) via le corps de déplacement (15).
  3. Lingotière de coulée continue selon la revendication 2, caractérisée en ce que le corps de déplacement (15) est réalisé avec des profils différents.
EP07786460.1A 2006-08-05 2007-07-31 Lingotière de coulée continue pour métal liquide, notamment matériaux liquides d'aciérie Not-in-force EP2049286B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006036708A DE102006036708A1 (de) 2006-08-05 2006-08-05 Stranggießkokille für flüssige Metalle, insbesondere für flüssige Stahlwerkstoffe
PCT/EP2007/006763 WO2008017402A1 (fr) 2006-08-05 2007-07-31 Lingotière de coulée continue pour métal liquide, notamment matériau liquide d'aciérie

Publications (2)

Publication Number Publication Date
EP2049286A1 EP2049286A1 (fr) 2009-04-22
EP2049286B1 true EP2049286B1 (fr) 2017-12-27

Family

ID=38626857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07786460.1A Not-in-force EP2049286B1 (fr) 2006-08-05 2007-07-31 Lingotière de coulée continue pour métal liquide, notamment matériaux liquides d'aciérie

Country Status (5)

Country Link
US (1) US20100000704A1 (fr)
EP (1) EP2049286B1 (fr)
CN (1) CN101489703B (fr)
DE (1) DE102006036708A1 (fr)
WO (1) WO2008017402A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008060507A1 (de) 2008-07-10 2010-01-14 Sms Siemag Aktiengesellschaft Temperaturmessung in einer Kokille durch ein faseroptisches Messverfahren
DE102008032672A1 (de) * 2008-07-10 2010-01-14 Sms Siemag Aktiengesellschaft Stranggießkokille
EP2321075B1 (fr) * 2008-08-06 2018-07-11 SMS group GmbH Lingotière de coulée continue pour métal en fusion, en particulier pour acier en fusion
ITUB20154787A1 (it) * 2015-11-06 2017-05-06 Milorad Pavlicevic Cristallizzatore perfezionato e lingottiera adottante detto cristallizzatore
DE102021215030A1 (de) * 2021-12-23 2023-06-29 Sms Group Gmbh Breitseitenkokillenplatte, Stranggießkokille und Verfahren zum Herstellen einer Breitseitenkokillenplatte

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411359A1 (de) * 1984-03-28 1985-10-31 Mannesmann AG, 4000 Düsseldorf Stranggiesskokille fuer rund- bzw. knueppelquerschnitte, insbesondere fuer das vergiessen von fluessigem stahl
US5467810A (en) * 1994-04-01 1995-11-21 Acutus Industries Continuous metal casting mold
DE69518360T2 (de) * 1994-06-06 2000-12-28 Danieli Off Mecc Stranggiesskokille mit verbessertem Wärmeaustausch sowie Verfahren zur Erhöhung des Wärmeaustauschs einer Stranggiesskokille
DE19802809A1 (de) 1998-01-27 1999-07-29 Km Europa Metal Ag Flüssigkeitsgekühlte Kokille
DE19831998A1 (de) * 1998-07-16 2000-01-20 Schloemann Siemag Ag Stranggießkokille
IT1310517B1 (it) * 1999-01-13 2002-02-18 Danieli Off Mecc Cristallizzatore per colata continua
DE10056910A1 (de) * 2000-11-16 2002-05-29 Sms Demag Ag Knüppel- und Blockkokille mit partiell geregelter Wärmeabfuhr über Kokillenumfang und Kokillenhöhe
US20030010471A1 (en) * 2001-05-02 2003-01-16 Grove John A. Continuous casting mold and method
DE10226214A1 (de) * 2002-06-13 2003-12-24 Sms Demag Ag Stranggießkokille für flüssige Metalle, insbesondere für flüssigen Stahl
CN2584318Y (zh) * 2002-10-29 2003-11-05 张桂银 一种可调式结晶器水套
DE10358853A1 (de) 2003-12-16 2005-07-14 Km Europa Metal Ag Stranggießkokille
CN2681837Y (zh) * 2004-01-12 2005-03-02 宝山钢铁股份有限公司 薄板坯连铸结晶器宽面铜板

Also Published As

Publication number Publication date
WO2008017402A1 (fr) 2008-02-14
DE102006036708A1 (de) 2008-02-07
EP2049286A1 (fr) 2009-04-22
CN101489703A (zh) 2009-07-22
US20100000704A1 (en) 2010-01-07
CN101489703B (zh) 2011-09-28

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