EP2445664B1 - Système et procédé pour la coulée horizontale d'une bande métallique - Google Patents

Système et procédé pour la coulée horizontale d'une bande métallique Download PDF

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Publication number
EP2445664B1
EP2445664B1 EP10732283.6A EP10732283A EP2445664B1 EP 2445664 B1 EP2445664 B1 EP 2445664B1 EP 10732283 A EP10732283 A EP 10732283A EP 2445664 B1 EP2445664 B1 EP 2445664B1
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EP
European Patent Office
Prior art keywords
metal strip
rollers
roller
imparting
profile
Prior art date
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Active
Application number
EP10732283.6A
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German (de)
English (en)
Other versions
EP2445664A1 (fr
Inventor
Rolf Franz
Christian Mengel
Olaf Norman Jepsen
Karl-Heinz Spitzer
Hellfried Eichholz
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
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Publication date
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Publication of EP2445664A1 publication Critical patent/EP2445664A1/fr
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Publication of EP2445664B1 publication Critical patent/EP2445664B1/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
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0631—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a travelling straight surface, e.g. through-like moulds, a belt
    • 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
    • B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
    • 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
    • B22D11/143—Plants for continuous casting for horizontal casting

Definitions

  • the invention is in the field of horizontal strip casting.
  • a melt is passed from a task vessel to a cooled conveyor belt on which the melt begins to solidify into a strip.
  • Horizontal strip casting processes and installations are known from the prior art in which the cast product or the already solidified metal strip is fed to further processing steps, for example a rolling process.
  • a feature of the steel strip thus produced is the profile or thickness profile (crowning), d. H. the course of the tape thickness over the bandwidth seen.
  • the Vorbandprofil resulting from the casting process is limited and difficult to influence. The cause is often in relatively thin tape sections. In this case, profile and flatness are interdependent, as the material flow required for a profile change is limited.
  • the WO 2006/066552 A1 shows such a device for horizontal strip casting of steel.
  • the melt is passed on a conveyor belt, the one Cooling zone forms. Behind this cooling zone is followed by a second tempering zone.
  • the belt is already solidified depending on the temperature control. This can lead to an upward curvature of the edges, which can have negative effects on the casting process.
  • the publication mentions devices in the form of, for example, pairs of rollers which counteract this effect and depress the belt. An influence on the thickness profile is not provided here.
  • the thickness profile of the pre-strip results from the casting process and can no longer be adequately influenced in a subsequent rolling process, depending on the boundary condition.
  • Critical thickness profiles may be, for example, profiles with a wedge or even a ripple with a square or higher proportion. Such critical profiles are known to the person skilled in the art.
  • the font WO 2009/018973 A1 shows a similar device in which smoothing or driving rollers are arranged in the casting behind a conveyor belt and over a deflection roller of the conveyor belt.
  • the roles disclosed in this document also do not allow influencing the thickness profile of the metal strip. It is only possible to prevent buckling of the band edges, which is also the goal of the disclosed in this document roller assembly.
  • the profile or the thickness profile that is, the thickness profile of the tape in the direction of the width of the tape, can not be significantly influenced.
  • the thickness profile of a metal strip should be influenced as early as possible, in particular at the highest possible temperatures, ie in particular at low strengths of the metal strip, since the conditions for a material cross-flow improve with a reduction in strength, ie also with increasing temperature.
  • the possibility of deformation of the strip material is limited by the ductility of the material, ie by the ability to deform without mechanical damage, for example cracking, which decreases with increasing temperature.
  • the technical task is therefore mainly to provide a method to influence the thickness profile of a metal strip as early as possible.
  • the invention is defined by the features of method claim 1.
  • the profiling is carried out in the region between the deflection rollers or over one of the deflection rollers.
  • the method comprises a plurality of rolls which can be set for profiling above and below the metal strip, the profiling being effected by these rolls.
  • the conveyor belt forms a cooling zone and the method further comprises a tempering zone, which adjoins behind the conveyor belt in the casting direction, the metal strip in this tempering zone and / or in the cooling zone being influenced by the at least one roll that can be set for profiling becomes.
  • the profiling method comprises adjustable rollers with bale contour and / or curved rollers and / or horizontally displaceable rollers, wherein the metal strip is profiled by one or more of these rollers.
  • the method comprises at least one lower profiling roll which is arranged at the height of the fitting line with the metal strip.
  • rollers can be employed with a certain force force and / or position-controlled to the metal strip and cause an accurate profiling or thickness profiling.
  • the method represents a thin strip casting method for producing a pre-strip, in particular with a thickness of less than 40 mm.
  • the method according to the invention is particularly advantageous, in particular in the case of thin strip casting.
  • the at least one roller that can be set for profiling deforms the metal strip such that the metallurgical structure of the metal strip is changed.
  • the liquid melt 1 from a ladle / distributor trough 2 into a feed container 3 directed. From there, the liquid melt 1 is passed onto a conveyor belt 6, which is preferably cooled and forms a cooling zone.
  • the conveyor belt 6 runs around the two deflection rollers 7, 7 '. In this case, the melt 1 begins to solidify on the conveyor belt 6, whereby the metal strip 4 is formed.
  • Such arrangements or processes are known to the person skilled in the art.
  • the melt 1 forming the metal strip 4, preferably partially solidified is profiled by at least one roll 8, 8 ', 8 ", 9, 9', that is to say it deforms the rolls 8, 8 ', 8", 9, 9 'can be made profiling above or below the conveyor belt 6 to the metal strip 4 or be profiled in the casting behind the conveyor belt 6 to the metal strip 4.
  • the roller 8, 8 ', 8 ", 9, 9' preferably exerts a force on the surface of the belt 4.
  • the adjustment of a roller 8, 8 ', 8", 9, 9' is effected by force and / or position ,
  • a reduction in the thickness of the metal strip 4 can also be associated with the profiling.
  • profile or the thickness profile represents the distribution of the thickness of the metal strip 4 in the direction of the width of the metal strip 4.
  • the width direction of the metal strip 4 is perpendicular to the casting direction.
  • profile or thickness profile mentioned in particular does not correspond to the term occasionally used in some other fonts the same name, for example, describes a total bent in the width direction metal strip 4, but in which there is no profile or thickness profile change in the true sense, such as the a wedge shape.
  • the profiling rollers 8, 8 ', 8 “, 9, 9' can in particular form profiling roller pairs 8, 9, 8 ', 9', optionally also several of these roller pairs 8, 9, 8 ', 9'.
  • a profiling roll 8 "to be arranged exactly above one of the deflecting rollers 7, 7 ' in particular, as in FIG. 1 shown, above the last in the casting direction (right) deflection roller 7 '.
  • the region of the device which adjoins behind the conveyor belt 6 may be formed as Temper michszone, so that in this area the metal strip 4 either heated, that is, for example, maintained at a certain temperature, or is also cooled, approximately by spray nozzles ,
  • tempering zones or arrangements are known from the prior art.
  • rolls 8 ', 9' can be made profiling in the casting direction behind the conveyor belt 6 against the metal strip 4, even before the metal strip 4 has completely solidified or even at the highest possible temperatures.
  • a number of guide rollers may be arranged behind the conveyor belt 6. Such arrangements of guide rollers having a different function are also known from the prior art.
  • All rollers 9, 9 ' which are located below the metal strip 4, can be made to the metal strip 4, that they only have a leading function, that is, lie at the height of the passport with the metal strip 4. But it is also possible that the rollers 9, 9 ', as well as the rollers 8, 8', 8 "are made with a contact pressure or a force on the metal strip 4.
  • individual or all rollers 8, 8 ', 8 ", 9, 9' have a bale contour.
  • the profiling rollers 8, 8 ', 8 ", 9, 9' also horizontally displaceable, in particular axially displaceable, may be formed.
  • rollers 8, 8 ', 8 ", 9, 9' may also be bent by force transmission perpendicular to the casting direction, i.e. bent in their longitudinal direction, so that a variable thickness profile of a metal strip 4 can be produced.
  • the rollers 8, 8 ', 8 ", 9, 9' which can be set in the profile can be set against the metal strip 4 in such a way that a recrystallization process of the partially solidified metal strip 4 or that the metal strip 4 changes its metallurgical structure Rolls 8, 8 ', 8 ", 9, 9' surface ripples on the surface of the metal strip 4 are smoothed. ever according to the shape of the rollers 8, 8 ', 8 ", 9, 9', an optimal profiling or thickness profiling of the metal strip 4 can take place.
  • the processes according to the invention are preferably, but not exclusively, thin strip casting processes for producing a pre-strip, which in particular has a thickness of less than 40 mm.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Road Paving Machines (AREA)

Claims (7)

  1. Procédé pour la coulée horizontale d'une bande métallique (4) et pour influencer le profil d'épaisseur de la bande métallique (4) au moyen d'une bande transporteuse (6) refroidie disposée dans la direction de coulée derrière une cuve de réception (3), qui s'étend entre deux rouleaux de renvoi (7, 7') et qui défile sur la bande métallique (4), de même qu'au moyen d'au moins un rouleau (8, 8', 8", 9, 9') apte à venir se positionner contre la bande métallique (4) pour le profilage de l'épaisseur, caractérisé en ce que :
    le rouleau (8, 8', 8", 9, 9') destiné à influencer le profil d'épaisseur de la bande métallique (4) est positionné contre la bande métallique (4) et des ondulations superficielles sont lissées à raison d'une fraction quadratique ou plus à la surface de la bande métallique (4) via le rouleau (8, 8', 8", 9, 9') ;
    le rouleau (8, 8', 8", 9, 9') est conçu de manière à pouvoir pivoter, si bien que l'inclinaison de la bande est influencée de manière ciblée par le pivotement du rouleau (8, 8', 8", 9, 9') ; et
    le rouleau (8, 8', 8", 9, 9') est entraîné par voie hydraulique ou par voie mécanique et/ou est positionné sur base d'un réglage de sa position contre la bande métallique (4).
  2. Procédé selon la revendication 1, dans lequel le profilage de l'épaisseur est mis en oeuvre dans la zone située entre les rouleaux de renvoi (7, 7') ou par-dessus un des rouleaux de renvoi (7, 7').
  3. Procédé selon la revendication 1 ou 2, dans lequel le procédé comprend plusieurs rouleaux (8, 8', 8", 9, 9') aptes à venir se positionner à des fins de profilage de l'épaisseur, au-dessus et en dessous de la bande métallique (4), et dans lequel le profilage de l'épaisseur a lieu via ces rouleaux.
  4. Procédé selon l'une quelconque des revendications 1 à 3, dans lequel la bande transporteuse forme une zone de refroidissement et le procédé comprend en outre une zone de traitement thermique, qui se raccorde, dans la direction de coulée, derrière la bande transporteuse (6) et la bande métallique, dans cette zone de traitement thermique et/ou dans la zone de refroidissement est influencée via ledit au moins un rouleau apte à venir se positionner à des fins de profilage de l'épaisseur.
  5. Procédé selon la revendication 1, dans lequel le procédé comprend des rouleaux aptes à venir se positionner (8, 8', 8", 9, 9') possédant un contour bombé et/ou des rouleaux cintrés (8, 8', 8", 9, 9') et/ou des rouleaux (8, 8', 8", 9, 9') aptes à se déplacer à l'horizontale, dans lequel la bande métallique (4) est influencée en ce qui concerne son profilage via un ou plusieurs de ces rouleaux (8, 8', 8", 9, 9').
  6. Procédé selon l'une quelconque des revendications 1 à 5, dans lequel le procédé comprend au moins un rouleau inférieur (9, 9') apte à venir se positionner à des fins de profilage de l'épaisseur, qui est disposé à hauteur de la ligne de passage avec la bande métallique (4).
  7. Procédé selon l'une quelconque des revendications 1 à 6, dans lequel le procédé représente un procédé de coulée de bandes minces pour la production d'une amorce de bande (4), possédant en particulier une épaisseur inférieure à 40 mm et/ou ledit au moins un rouleau (8, 8', 8", 9, 9') apte à venir se positionner à des fins de profilage de l'épaisseur soumet la bande métallique (4) à une déformation d'une manière telle que la structure métallurgique de la bande métallique (4) est modifiée.
EP10732283.6A 2009-06-27 2010-06-23 Système et procédé pour la coulée horizontale d'une bande métallique Active EP2445664B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009030793A DE102009030793A1 (de) 2009-06-27 2009-06-27 Vorrichtung und Verfahren zum horizontalen Gießen eines Metallbandes
PCT/EP2010/003772 WO2010149351A1 (fr) 2009-06-27 2010-06-23 Dispositif et procédé pour couler horizontalement un feuillard métallique

Publications (2)

Publication Number Publication Date
EP2445664A1 EP2445664A1 (fr) 2012-05-02
EP2445664B1 true EP2445664B1 (fr) 2017-11-22

Family

ID=42562852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10732283.6A Active EP2445664B1 (fr) 2009-06-27 2010-06-23 Système et procédé pour la coulée horizontale d'une bande métallique

Country Status (7)

Country Link
US (1) US8807201B2 (fr)
EP (1) EP2445664B1 (fr)
CN (1) CN102470427B (fr)
DE (1) DE102009030793A1 (fr)
RU (1) RU2496601C2 (fr)
UA (1) UA112740C2 (fr)
WO (1) WO2010149351A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010063093B4 (de) 2010-12-15 2023-07-06 Sms Group Gmbh Vorrichtung und Verfahren zum horizontalen Gießen von Metallbändern
DE202012012740U1 (de) 2012-03-22 2013-10-17 Vb Autobatterie Gmbh & Co. Kgaa Anlage zur Herstellung von Elektroden für Bleiakkumulatoren
CN110052589B (zh) * 2019-04-28 2021-11-09 河北恒工精密装备股份有限公司 用于水平连铸球墨铸铁型材的等静压保温炉及方法
CN112439883B (zh) * 2019-08-29 2022-04-15 青岛九环新越新能源科技股份有限公司 一种连铸轧制金属带的生产方法
WO2021037182A1 (fr) * 2019-08-29 2021-03-04 青岛九环新越新能源科技股份有限公司 Chaînes de production et procédés de production pour la coulée continue et le laminage d'une bande métallique et d'une bande métallique composite

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988098A (en) * 1968-12-30 1976-10-26 Mitsubishi Rayon Co., Ltd. Apparatus for continuously casting a sheet and the like
US4367783A (en) * 1980-10-27 1983-01-11 Hazelett Strip-Casting Corporation Method and apparatus for continuous casting of metal under controlled load conditions
DE3444689A1 (de) * 1984-12-07 1986-01-16 Fried. Krupp Gmbh, 4300 Essen Fuehrungseinrichtung an den giessbaendern einer doppelbandstranggiesskokille
JPH01313157A (ja) 1988-06-10 1989-12-18 Furukawa Electric Co Ltd:The 連続鋳造方法
US4901785A (en) * 1988-07-25 1990-02-20 Hazelett Strip-Casting Corporation Twin-belt continuous caster with containment and cooling of the exiting cast product for enabling high-speed casting of molten-center product
AT402267B (de) * 1995-04-25 1997-03-25 Voest Alpine Ind Anlagen Verfahren zum herstellen eines stranges in form eines metallbandes sowie einrichtung zur durchführung des verfahrens
DE102004062636B4 (de) 2004-12-21 2007-05-24 Salzgitter Flachstahl Gmbh Einrichtung zum horizontalen Bandgießen von Stahl
DE102007057278A1 (de) 2007-08-04 2009-02-05 Sms Demag Ag Verfahren und Vorrichtung zur Vergleichmäßigung des Wärmeübergangs eines Gussprodukts während seiner Erstattung auf dem Metalltransportband einer horizontalen Bandgießanlage
DE102007056192A1 (de) 2007-11-21 2009-05-28 Sms Demag Ag Verfahren und Vorrichtung zum Herstellen eines Bandes aus Metall
RU2363649C1 (ru) * 2007-12-18 2009-08-10 Государственное образовательное учреждение высшего профессионального образования Марийский государственный технический университет Устройство для соединения канатов

Also Published As

Publication number Publication date
US8807201B2 (en) 2014-08-19
WO2010149351A1 (fr) 2010-12-29
CN102470427B (zh) 2015-06-17
DE102009030793A1 (de) 2010-12-30
CN102470427A (zh) 2012-05-23
US20120132390A1 (en) 2012-05-31
RU2012102770A (ru) 2013-08-10
RU2496601C2 (ru) 2013-10-27
UA112740C2 (uk) 2016-10-25
EP2445664A1 (fr) 2012-05-02

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