EP2445664A1 - Dispositif et procédé pour couler horizontalement un feuillard métallique - Google Patents

Dispositif et procédé pour couler horizontalement un feuillard métallique

Info

Publication number
EP2445664A1
EP2445664A1 EP10732283A EP10732283A EP2445664A1 EP 2445664 A1 EP2445664 A1 EP 2445664A1 EP 10732283 A EP10732283 A EP 10732283A EP 10732283 A EP10732283 A EP 10732283A EP 2445664 A1 EP2445664 A1 EP 2445664A1
Authority
EP
European Patent Office
Prior art keywords
metal strip
profiling
rollers
engageable
roller
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.)
Granted
Application number
EP10732283A
Other languages
German (de)
English (en)
Other versions
EP2445664B1 (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
Original Assignee
SMS Siemag AG
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 Siemag AG filed Critical SMS Siemag AG
Publication of EP2445664A1 publication Critical patent/EP2445664A1/fr
Application granted granted Critical
Publication of EP2445664B1 publication Critical patent/EP2445664B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 because the material cross-flow required for a profile change is limited.
  • WO 2006/066552 A1 shows such a device for horizontal strip casting of steel.
  • the melt is directed onto a conveyor belt, which forms a cooling zone. 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 of 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 document WO 2009/018973 A1 shows a similar device in which smoothing or driving rollers are arranged in the casting direction 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, especially at the highest possible temperatures, d. H. especially at low strengths of the metal strip, as the conditions for material cross-flow decrease with strength, i. H. even with increasing temperature.
  • the possibility of deformation of the strip material is characterized by the ductility of the material, d. H. limited 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 device and also a method to affect the thickness profile of a metal strip as early as possible. Disclosure of the invention
  • the present invention solves the abovementioned technical problem and initially comprises a device for horizontal casting of a metal strip, which in turn comprises a feed vessel for a melt and a cooled conveyor belt arranged in the casting direction behind the feed vessel, which runs between two deflection rollers and on which Metal belt can be transported, wherein the device comprises at least one engageable with the metal strip for Profiling role.
  • inventively designed device can now be influenced very early on the thickness profile of the metal strip and so the shape and quality of the cast product can be greatly improved.
  • a predetermined profile or a predetermined flatness can now be achieved by the following rolling processes.
  • the at least one roller which can be set for profiling is arranged in the region between the deflection rollers and / or above one of the deflection rollers.
  • This arrangement of the rollers already allows adjustment of the thickness profile in the region of the conveyor belt.
  • a plurality of rolls which can be set for profiling are arranged above and below the metal strip.
  • At least one upper roll which can be set for profiling is arranged above the metal strip and at least one further lower roll, which can be set to the profile, is arranged underneath the metal strip, so that the at least one upper roll Roll and form the at least one lower roller at least one engageable for profiling pair of rollers.
  • the entire thickness profile of the metal strip can be selectively influenced, in a plane which is perpendicular to the casting direction.
  • the conveyor belt forms a first cooling zone
  • the device further comprises a tempering zone, which adjoins behind the conveyor belt in the casting direction, wherein the device in this tempering zone and / or in the cooling zone at least one to the metal strip for profiling includes an adjustable role.
  • a roller can be pivoted. As a result, the wedging of the band can be influenced in a targeted manner.
  • the at least one roller which can be set for profiling has a bale contour and / or can be displaced horizontally and / or can be bent along its longitudinal axis.
  • the profile of the band can be influenced in a targeted manner by the grinding of the rollers. If the rollers can be moved horizontally, depending on the bale contour, a thickness profile can be set specifically during the casting process and under varying process conditions (eg roller wear). Because the rollers can be bent, the thickness profile can be flexibly adjusted during the casting process and under varying process conditions.
  • at least one bottom roll which can be set for profiling is arranged below the metal strip, which lies at the height of the pass line with the metal strip.
  • the invention also encompasses such a method, wherein the method comprises a cooled conveyor belt arranged in the casting direction behind a feed vessel, which runs between two deflection rollers and on which the metal strip is conveyed and at least one of the Metal strip comprises profiled roll for profiling, wherein the thickness profile of the metal strip is influenced by the at least one engageable role for profiling.
  • 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 the casting line behind the conveyor belt, wherein the metal strip in this tempering zone and / or in the cooling zone through the at least one engageable for profiling Role is affected.
  • the profiling method comprises adjustable rollers with bale contour and / or curved rollers and / or horizontally displaceable rollers, wherein one or more of these roles profiling the metal strip is influenced.
  • the method comprises at least one lower profiling roll which is arranged at the height of the fitting line with the metal strip.
  • the at least one roll that can be set for profiling is hydraulically or mechanically adjusted in force and / or position-controlled manner to 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.
  • surface wavinesses with a quadratic or higher proportion which are on form the surface of the metal strip, smoothed by the at least one roll able to be profiled or the at least one roll pair that can be set for profiling.
  • Figure 1 a schematic cross section of an embodiment of a device according to the invention.
  • a metal strip is cast horizontally and profiling influenced by different roles or rollers.
  • FIG. 1 shows an embodiment of the invention.
  • the liquid melt 1 is first passed from a ladle / distributor trough 2 into a feed vessel 3. 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' can be 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 rolls 8, 8 ', 8 ", 9, 9' can in particular form profiling roll pairs 8, 9, 8 ', 9', optionally also several of these roll pairs 8, 9, 8 ', 9' on the route between the two deflection rollers 7, T and / or also in the casting direction behind the right deflection roller 7 'are arranged lying .
  • 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 ,
  • Temper michszone Such tempering zones or arrangements are known from the prior art.
  • Area rollers 8 ', 9' in the casting behind the conveyor belt 6 to the metal strip 4 profiled be made even before the metal strip 4 is 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' can have a beam 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' can 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.
  • 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.

Landscapes

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

Abstract

L'invention concerne un dispositif ainsi qu'un procédé pour couler horizontalement un feuillard métallique (4). À cet effet, le dispositif comprend une cuve distributrice (3) pour une masse fondue (1) ainsi qu'une bande transporteuse refroidie qui est disposée derrière la cuve distributrice (3) dans le sens de coulée, s'étend entre deux rouleaux de renvoi (7', 7) et sur laquelle le feuillard métallique (4) peut être transporté, le dispositif comprenant au moins un rouleau (8, 8', 8", 9, 9') ajustable sur le feuillard métallique (4) pour lui donner un profil. Ces formes de réalisation préférées et d'autres formes de réalisation préférées du dispositif permettent d'avoir une influence précoce et donc meilleure sur le profil d'un feuillard métallique (4), c'est-à-dire du pré-feuillard (4).
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 true EP2445664A1 (fr) 2012-05-02
EP2445664B1 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 (6)

* 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
DE102012102461B4 (de) 2012-03-22 2013-10-10 Vb Autobatterie Gmbh & Co. Kgaa Verfahren zur Herstellung von Elektroden für Bleiakkumulatoren, danach hergestellte Elektrode und Bleiakkumulator
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
CN114309517A (zh) * 2022-01-26 2022-04-12 中重科技(天津)股份有限公司 一种摊铺式薄板坯高效连铸机

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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

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Title
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Also Published As

Publication number Publication date
CN102470427B (zh) 2015-06-17
DE102009030793A1 (de) 2010-12-30
WO2010149351A1 (fr) 2010-12-29
CN102470427A (zh) 2012-05-23
US20120132390A1 (en) 2012-05-31
EP2445664B1 (fr) 2017-11-22
RU2496601C2 (ru) 2013-10-27
UA112740C2 (uk) 2016-10-25
US8807201B2 (en) 2014-08-19
RU2012102770A (ru) 2013-08-10

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