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EP1827733A1 - Installation de laminage direct d'une bande metallique, procede de production d'une bande metallique et bande metallique - Google Patents

Installation de laminage direct d'une bande metallique, procede de production d'une bande metallique et bande metallique

Info

Publication number
EP1827733A1
EP1827733A1 EP05819149A EP05819149A EP1827733A1 EP 1827733 A1 EP1827733 A1 EP 1827733A1 EP 05819149 A EP05819149 A EP 05819149A EP 05819149 A EP05819149 A EP 05819149A EP 1827733 A1 EP1827733 A1 EP 1827733A1
Authority
EP
European Patent Office
Prior art keywords
metal strip
casting
rolling
hot
cast
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.)
Withdrawn
Application number
EP05819149A
Other languages
German (de)
English (en)
Inventor
Hans-Herbert Welker
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP1827733A1 publication Critical patent/EP1827733A1/fr
Withdrawn legal-status Critical Current

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
    • B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B9/00—Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
    • 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
    • B22D11/0637—Accessories therefor
    • B22D11/0697—Accessories therefor for casting in a protected atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/28—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by cold-rolling, e.g. Steckel cold mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0206—Coolants

Definitions

  • the present invention relates to a cast roll plant for a metal strip, in particular a steel strip, with a casting ⁇ device , a hot rolling device and a cooling section,
  • Initial thickness of the hot rolling device can be fed and hot-rolled there,
  • cooling section of the hot rolling device is arranged downstream, so that the metal strip after hot rolling in the cooling section with a cooling medium can be cooled.
  • the present invention furthermore relates to a production method for a metal strip, in particular a steel strip,
  • liquid metal is poured in a casting device into a metal strip having an initial thickness
  • the hot-rolled metal strip is then cooled in a cooling section with a cooling medium.
  • the present invention also relates to a metal strip, in particular a steel strip.
  • Cast rolling mills of the type described above and the corresponding production methods for a metal strip are well known. It is known, inter alia, for such cast roll mills to embed the casting device as far as the hot rolling device and to flood it with a protective gas, so that scaling of the metal strip up to the hot rolling device is avoided. After hot rolling, however, the metal strip scales. In the prior art, the scaled metal strip is first pickled and then fed to a cold rolling device or otherwise processed. A further processing of Me ⁇ tallbandes without prior removal of the scale layer, however, is not possible.
  • the object of the present invention is to provide a way to avoid the scaling of the metal strip after hot rolling.
  • the object is achieved for the casting and rolling plant in that it has an enclosure which surrounds the casting device, the hot rolling device and the cooling section and can be flooded with a protective gas.
  • the object for the generating ⁇ method is achieved in that the metal strip is guided at least from the exit from the casting until it exits the cooling section in a flooded with a protective gas inlet.
  • the metal strip is then characterized in that it was produced in such a cast rolling mill, wherein the casting rolling mill was operated during the production of the metal strip according to such a production method.
  • a shielding gas are particularly atomized water, stick ⁇ material, argon, or a combination of these substances in question.
  • an oxygen-consuming additive can be admixed with the protective gas. Examples of such materials are carbon monoxide to ⁇ rate and some salts. Of course, salts have to be mixed in powdered form.
  • the casting device is designed such that the metal strip can be produced by it with an initial thickness which is a maximum of 10 mm. If doing the casting device as Two-roller casting device is formed, the cast metal strip can be a particularly small initial thickness of z. B. have only one to two millimeters.
  • the hot rolling device Due to the small initial thickness of the metal strip, it is quite sufficient if the hot rolling device has a maximum of two stands. Often even only a single rolling stand is sufficient.
  • the cooling section preferably has a feed device for feeding a tinder formation counteracting additive substance in the cooling medium. Because then the danger of a scale formation is reduced even further.
  • the cooling section is followed by a reel device.
  • This usually has at least one reel and egg ⁇ ne shear device.
  • the reel device can therefore be arranged outside the housing.
  • the cast rolling mill works particularly effectively, since so ⁇ fort and immediately after the casting of the strip this can be hot rolled to ⁇ next and cold rolled immediately thereafter.
  • the casting-rolling plant having the hat ⁇ pel shark is preferably the Kaltwalzein- direction between the cooling line and the coiling device disposed.
  • the cold rolling device is present, it is preferably located within the enclosure. Because then a calendering before cold rolling is particularly reli sig avoided. Analogous to the hot rolling device, it is also generally sufficient with respect to the cold rolling device if it has two rolling stands. Often one only peo ⁇ ges roll stand is even sufficient.
  • FIG a cast rolling mill.
  • a cast rolling mill has a casting device 1, a hot rolling device 2 and a cooling section 3 in its minimal configuration .
  • the casting device 1, the warm ⁇ roller device 2 and the cooling section 3 are surrounded by a housing 4.
  • the casting device 1 is supplied with liquid metal 6 (for example liquid steel 6) and cast from the casting device 1 into a metal strip 7.
  • liquid metal 6 for example liquid steel 6
  • the casting device 1 is designed (by way of example) as a two-roller casting device 1. With her, therefore, a very thin metal strip 7 is pourable, which has an initial thickness dl of only approx. 1 to 10 mm, for example ⁇ from 1, 5 to 3 mm.
  • the metal strip 7 is immediately after casting, so without previous buffering or other temporary storage on
  • the hot rolling device 2 is therefore the casting device 1 nachgeord- net.
  • the metal strip 7 is hot rolled, so that it expires with an intermediate thickness d 2 from the warm ⁇ roller device 2.
  • the rolling in the hot rolling device 2 takes place, as can be seen from the FIG, at a temperature T above 723 ° C.
  • the hot rolling device 2 has a single roll stand. But you could also alswei ⁇ sen two rolling stands.
  • the hot-rolled metal strip 7 of the cooling section 3 is supplied.
  • the cooling section 3 is thus downstream of the hot rolling device 2.
  • the metal strip 7 is cooled after hot rolling with a cooling medium 8.
  • the cooling medium 8 is usually what ser, preferably Warming ⁇ tes water.
  • it may as tet angedeu ⁇ in the FIG, an additive are added, wherein the Zun ⁇ der realise counteracts.
  • the cooling section 3 has a corresponding feed device 9.
  • the entire enclosure 4 is flooded with a protective gas.
  • the metal strip 7 is thus guided from the exit from the casting device 1 until it leaves the cooling section 3 in the housing 4, which is flooded with the protective gas.
  • a protective gas come in particular atomized
  • the inert gas can be admixed with an oxygen-consuming additive.
  • oxygen-consuming additive examples of such materials are set to ⁇ carbon monoxide and appropriate, Sauerstoffzeh--saving powdered salts. Here again a combina ⁇ tion of these substances possible.
  • FIG cast casting plant according to the invention further ⁇ devices 10, 11, namely a reel device 10 and a cold rolling device 11. Both devices 10, 11 are downstream of the cooling section 3. If there are any in ⁇ de devices 10, 11, continues to be the Cold rolling device 11 is disposed between the cooling section 3 and the reel device 10.
  • the reel device 10 has at least one reel 12. According to the FIG it even has two reel 12. Wei ⁇ terhin it has a shearing means. 13
  • the reel device 10 is preferably located outside the housing 4 is arranged ⁇ .
  • the cold rolling device 11 is formed as needed. It is preferably arranged within the housing 4. According to the FIG shows - as well as the hot rolling device 2 - only a single stand on. But you could z. B. also have two rolling stands. In the cold rolling device 11, the metal strip 7 is rolled down to a final thickness d3.
  • the cold rolling device 11 Due to the arrangement of the cold rolling device 11 within the housing 4, it is not necessary that a descaling device is arranged between the hot rolling device 2 and the cold rolling device 11. This can therefore be omitted. Because between the hot rolling and the cold rolling the metal strip 7 does not have to be descaled.
  • a high-quality metal strip 7 can thus be produced in a simple and, in particular, cost-effective manner.

Landscapes

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

Abstract

L'invention concerne une installation de laminage direct d'une bande métallique (7) et comprenant un dispositif de coulée (1), un dispositif de laminage à chaud (2) en aval de ce dernier et une section de refroidissement (3) en aval de cette dernière. Dans le dispositif de coulée (1), un métal liquide (6) est coulé en bande métallique (7) d'une épaisseur initiale (d1). Juste après la coulée à une épaisseur initiale (d1), la bande métallique (7) coulée est cédée au dispositif de laminage à chaud (2) où elle est laminée. La bande métallique (7) laminée à chaud est ensuite refroidie dans la section de refroidissement (3) avec un agent de refroidissement (8). L'installation de laminage direct présente un boîtier (4) qui entoure le dispositif de coulée (1), le dispositif de laminage à chaud (2) et la section de refroidissement (3) et peut être rempli d'un gaz protecteur. La bande métallique (7) peut ainsi être guidée au moins de la sortie du dispositif de coulée (1) jusqu'à la sortie de la section de refroidissement (3) dans un boîtier (4) rempli d'un gaz protecteur.
EP05819149A 2004-12-22 2005-12-06 Installation de laminage direct d'une bande metallique, procede de production d'une bande metallique et bande metallique Withdrawn EP1827733A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004061939A DE102004061939B3 (de) 2004-12-22 2004-12-22 Gießwalzanlage für ein Metallband, Erzeugungsverfahren für ein Metallband und Metallband selbst
PCT/EP2005/056534 WO2006067036A1 (fr) 2004-12-22 2005-12-06 Installation de laminage direct d'une bande metallique, procede de production d'une bande metallique et bande metallique

Publications (1)

Publication Number Publication Date
EP1827733A1 true EP1827733A1 (fr) 2007-09-05

Family

ID=36027173

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05819149A Withdrawn EP1827733A1 (fr) 2004-12-22 2005-12-06 Installation de laminage direct d'une bande metallique, procede de production d'une bande metallique et bande metallique

Country Status (7)

Country Link
US (1) US20080006387A1 (fr)
EP (1) EP1827733A1 (fr)
CN (1) CN101087667A (fr)
DE (1) DE102004061939B3 (fr)
RU (1) RU2368437C2 (fr)
UA (1) UA87175C2 (fr)
WO (1) WO2006067036A1 (fr)

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
DE102011090098A1 (de) 2011-12-29 2013-07-04 Sms Siemag Ag Verfahren und Vorrichtung zum Walzen von Walzgut sowie Verwendung eines Kühlschmierstoffes
EP2769779A1 (fr) * 2013-02-22 2014-08-27 Siemens VAI Metals Technologies GmbH Installation et méthode de laminage d'une bande métallique
CN104722577A (zh) * 2013-12-23 2015-06-24 宝山钢铁股份有限公司 一种连续轧制生产工艺及工艺布置
CN107138528A (zh) * 2017-05-03 2017-09-08 广东金世纪高新材料有限公司 一种铝窄带的生产工艺
AT520084B1 (de) * 2017-10-03 2019-01-15 Primetals Technologies Austria GmbH Verfahren zum Betrieb einer Gieß-Walz-Verbundanlage und Gieß-Walz-Verbundanlage
CN108356076A (zh) * 2018-01-18 2018-08-03 河钢股份有限公司承德分公司 一种连铸坯轧制方法
JP7040340B2 (ja) * 2018-07-26 2022-03-23 日本製鉄株式会社 連続鋳造設備及び圧延方法

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US5043029A (en) * 1983-04-11 1991-08-27 Allied-Signal Inc. Casting in a exothermic reduction atmosphere
SE453967B (sv) * 1984-03-01 1988-03-21 Fujikura Ltd Forfarande for kontinuerlig doppformning av en trad
US4791979A (en) * 1986-07-18 1988-12-20 Allied-Signal Inc. Gas assisted nozzle for casting metallic strip directly from the melt
US4783314A (en) * 1987-02-26 1988-11-08 Nalco Chemical Company Fluorescent tracers - chemical treatment monitors
JPH01130802A (ja) * 1987-11-14 1989-05-23 Kobe Steel Ltd 難加工材の薄板連続製造法
AU637447B2 (en) * 1989-12-11 1993-05-27 Comalco Aluminium Limited Controlled casting of hypereutectic alloys
CN1058528C (zh) * 1995-04-14 2000-11-15 新日本制铁株式会社 制造不锈钢钢带的装置
AUPN733095A0 (en) * 1995-12-22 1996-01-25 Bhp Steel (Jla) Pty Limited Twin roll continuous caster
AUPQ436299A0 (en) * 1999-12-01 1999-12-23 Bhp Steel (Jla) Pty Limited Casting steel strip
US6517602B2 (en) * 2000-03-14 2003-02-11 Hitachi Metals, Ltd Solder ball and method for producing same
JP4542247B2 (ja) * 2000-08-08 2010-09-08 キャストリップ・リミテッド・ライアビリティ・カンパニー ストリップ連続鋳造装置及びその使用方法
DE10156034B4 (de) * 2001-11-15 2012-05-03 Techmag Ag Vorrichtung zur Herstellung von Profilen oder Blechformteilen aus Magnesium oder Magnesiumlegierungen
DE10310357A1 (de) * 2003-03-10 2004-09-30 Siemens Ag Gießwalzanlage zur Erzeugen eines Stahlbandes

Non-Patent Citations (1)

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Title
See references of WO2006067036A1 *

Also Published As

Publication number Publication date
RU2368437C2 (ru) 2009-09-27
CN101087667A (zh) 2007-12-12
DE102004061939B3 (de) 2006-08-03
RU2007128051A (ru) 2009-01-27
UA87175C2 (ru) 2009-06-25
WO2006067036A1 (fr) 2006-06-29
US20080006387A1 (en) 2008-01-10

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