EP0321733A1 - Production de bandes laminées à chaud à partir d'ébauches coulées en continu - Google Patents

Production de bandes laminées à chaud à partir d'ébauches coulées en continu Download PDF

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Publication number
EP0321733A1
EP0321733A1 EP88119749A EP88119749A EP0321733A1 EP 0321733 A1 EP0321733 A1 EP 0321733A1 EP 88119749 A EP88119749 A EP 88119749A EP 88119749 A EP88119749 A EP 88119749A EP 0321733 A1 EP0321733 A1 EP 0321733A1
Authority
EP
European Patent Office
Prior art keywords
winding
heat
primary material
insulated
plant
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Withdrawn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
EP88119749A
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German (de)
English (en)
Inventor
Friedrich Dipl.-Ing. Klute
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.)
Fried Krupp AG
Original Assignee
Fried Krupp 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 Fried Krupp AG filed Critical Fried Krupp AG
Publication of EP0321733A1 publication Critical patent/EP0321733A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B21B1/466—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 non-continuous process, i.e. the cast being cut before rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/68—Furnace coilers; Hot coilers
    • 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
    • B21B1/30—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 non-continuous process
    • B21B1/32—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 non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B21B1/34—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 non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by hot-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007—Cutting or shearing the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B2015/0057—Coiling the rolled product
    • 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
    • B21B45/004—Heating the product

Definitions

  • the invention relates to a method according to the preamble of claim 1 and a system according to the preamble of claim 3 for performing this method.
  • the system part for continuous casting can have a vertical or horizontal outlet or can be provided with a so-called band caster. If the continuously cast primary material cannot be wound due to its thickness, the continuous casting system must be followed by a reducing scaffold.
  • the rolling mill downstream of the winding device can e.g. be designed as a tandem mill or as a Steckel mill.
  • the smallest technically feasible rolling speed in hot rolling is roughly a power of ten higher than the casting speed of a continuous caster.
  • a length corresponding to a predeterminable coil weight is therefore cut off from the continuously continuously cast primary material and, after passing through or staying in or in a heat-insulated room, is fed to a rolling mill or a rolling mill.
  • the winding device is arranged at a certain distance from the cross-cut scissors, in order to wind up the not yet wound part of the pre-strip accelerated after severing, and thus time to convert the finished wound bundle from the winding device into the unwinder and thus gaining space for the primary material following at the casting speed.
  • This distance between the cross-cutting shear and the reel is not surrounded by an oven, so that different cooling conditions can occur with the rolled up sliver.
  • the invention has for its object to simplify the handling of the coil wound from the primary material. In addition, it should be possible to even out and, if necessary, influence the temperature of the preliminary strip immediately after passing through the cross-cutting shears.
  • the object on which the invention is based is achieved in that the primary material is processed from the same place at which it was wound up without the federal government changing location. A complex implementation of the coiled coil can thus be omitted.
  • the object is achieved on the one hand according to claim 5 in that only a single winding and unwinding device is present between the cross-cutting shear and the rolling mill, which, according to claim 6, can be preceded by a heat-insulated route conversion in a further embodiment.
  • the winding device can also be located in a heat-insulated conversion, which in turn can form a structural unit with the route conversion.
  • the object underlying the invention can also be achieved in terms of the system in that the winding arrangement consists of two mutually vertically offset winding and unwinding devices with thermally insulated conversion. While a bundle is being wound at a slow casting speed on one of the two winding devices, the bundle on the respective other winding device can be unwound at a high rolling speed. After winding up a bundle, the other winding device is always ready to wind up the next bundle. A buffer section is therefore not necessary with this solution, which means that the overall system is relatively short.
  • the system according to FIGS. 1 and 2 has - arranged one behind the other - a continuous caster 1, a cross-cut shear 2, a section furnace 3, a winding device 5 located in a further furnace space 4 and a rolling mill or rolling mill 6 with subsequent winding reel 7 to form a bundle 8 from the finished rolled strip 9.
  • a suitable winding device for winding and unwinding is e.g. in the DE-Z. "Stahl u. Eisen" 103 (1983) 7, page 296.
  • the raw material 10 leaves the continuous casting plant 1 with a thickness of, for example, 50 mm.
  • the cross-cut shear 2 can be preceded by a reduction frame 11 (indicated by dash-dotted lines).
  • the raw material 10 runs through the stretch furnace 3 to equalize and possibly correct its temperature and is in the winding device 5 after formation of a first Internal winding wound into a bundle 12.
  • the cross-cutting shear 2 is actuated and the speed of the drive rollers of the winding device 5 is accelerated, so that the bundle 12 of raw material 10 is wound up and the remaining one is accelerated The rest is withdrawn correspondingly quickly from line oven 3. In the meantime, the beginning of the cast pre-strip 10 moves at (low) casting speed through the stretch furnace 3 in the direction of the winding device 5 (cf. FIG. 2).
  • the end of the wound raw material 10 is entered as the beginning in the rolling mill 6, flat rolled to the finished strip 9 and wound into a bundle 8 in the winding reel 7.
  • the winding device 5 Since the rolling speed is roughly a power of ten greater than the casting speed, the winding device 5 is already empty or free before the beginning of the subsequent sliver 10 arrives there, and can be prepared or set for winding up a new bundle 12.
  • the rolling mill 6 is designed as a tandem mill with a plurality of four-high mill stands 13 arranged one behind the other.
  • the rolling mill 6 can also be designed, for example, as a Steckel rolling mill, as disclosed, for example, in DE-OS 32 41 745.
  • the primary material 10 in turn comes from a continuous casting installation 1 and is guided through a cross-cutting shear 20.
  • These scissors have a pair of knives 21, 22 that can be moved up and down and that cooperates with a fixed counter knife or knife part 23.
  • the fixed knife part 23 is followed by guide and support elements 24, 25, which alternately guide the primary material 10 to an upper and a lower winding device 26, 27, each of which is accommodated in an oven space 28 or 29, possibly offset horizontally to one another .
  • a rolling train 6 is provided, as has already been described in connection with FIG. 2.
  • the raw material 10 is passed into the upper winding device 26 and wound there into a bundle 12 ', while the bundle 12' lying in the lower winding device 27 is drawn off by the rolling train 6.
  • simple heat-insulated conversions can also be used instead of the section furnace 3 and the furnace spaces 4, 28, 29 in small systems.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Metal Rolling (AREA)
EP88119749A 1987-12-18 1988-11-26 Production de bandes laminées à chaud à partir d'ébauches coulées en continu Withdrawn EP0321733A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3743057 1987-12-18
DE19873743057 DE3743057C1 (de) 1987-12-18 1987-12-18 Verfahren und Anlage zum Herstellen von warmgewalztem Band aus stranggegossenem Vormaterial

Publications (1)

Publication Number Publication Date
EP0321733A1 true EP0321733A1 (fr) 1989-06-28

Family

ID=6342980

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88119749A Withdrawn EP0321733A1 (fr) 1987-12-18 1988-11-26 Production de bandes laminées à chaud à partir d'ébauches coulées en continu

Country Status (3)

Country Link
EP (1) EP0321733A1 (fr)
JP (1) JPH01210159A (fr)
DE (1) DE3743057C1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0576890A1 (fr) * 1992-06-30 1994-01-05 DANIELI & C. OFFICINE MECCANICHE S.p.A. Dispositif pour enrouler et dérouler des brames minces
WO1994029042A1 (fr) * 1993-06-04 1994-12-22 Giovanni Arvedi Unite d'interconnexion entre au moins une ligne d'acheminement pour le traitement a chaud de produits en acier aplatis, par exemple sous forme de minces plaques ou bandes, et un laminoir de finissage en aval
EP0647485A1 (fr) * 1993-10-08 1995-04-12 MANNESMANN Aktiengesellschaft Dispositif pour enrouler et dérouler alternativement des matériaux en forme de feuillard
EP0659503A3 (fr) * 1993-12-27 1995-08-02 Hitachi Ltd
WO1996032509A1 (fr) * 1995-04-13 1996-10-17 Voest-Alpine Industrieanlagenbau Gmbh Four a devidoir pour feuillard a chaud
EP0904861A1 (fr) * 1997-09-11 1999-03-31 Nkk Corporation Méthode de laminage à chaud d'une bande mince et installation pour cette méthode
AT405028B (de) * 1996-01-31 1999-04-26 Voest Alpine Ind Anlagen Verfahren zum reversierwalzen von band sowie einrichtung zur durchführung des verfahrens
EP0916415A4 (fr) * 1997-04-04 2002-05-22 Kawasaki Steel Co Procede de laminage a chaud de profiles lourds pour largets, et equipement d'acierie utile a cet effet
WO2006046266A1 (fr) * 2004-10-28 2006-05-04 Giovanni Arvedi Procede et ligne de production pour fabriquer des bandes d'acier ultraminces a chaud a l'aide de deux lignes de coulage pour une ligne de laminage sans fin unique

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69011534T2 (de) * 1989-12-29 1995-03-02 Stelco Inc System zur handhabung dünnen materials zur anwendung in wickelmaschinen und dergleichen.
NL1000693C2 (nl) * 1995-06-29 1996-12-31 Hoogovens Staal Bv Inrichting voor het vervaardigen van een stalen band.
DE19617856C1 (de) * 1996-04-23 1997-04-17 Mannesmann Ag Verfahren zur Herstellung von warmgewalztem Stahlband

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976842C (de) * 1950-03-28 1964-06-04 Kocks Gmbh Friedrich Anlage zum Herstellen von Baendern auf Breitbandwalzwerken
GB1373376A (en) * 1971-11-15 1974-11-13 Canada Steel Co Method and apparatus for rolling hot metal workpieces and coiler for use in coiling hot metal workpieces
GB2036621A (en) * 1978-12-12 1980-07-02 Davy Loewy Ltd Rolling plant
US4384468A (en) * 1981-09-29 1983-05-24 Tippins Machinery Company, Inc. Method and apparatus for coiling strip on a hot mill
GB2129723A (en) * 1982-11-11 1984-05-23 Mannesmann Ag Manufacture of metal strip
EP0177187A1 (fr) * 1984-09-04 1986-04-09 Tippins Incorporated Procédé et dispositif pour la coulée de plaques
JPS61269904A (ja) * 1985-05-27 1986-11-29 Nippon Kokan Kk <Nkk> 直接圧延による熱延鋼帯製造設備

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976842C (de) * 1950-03-28 1964-06-04 Kocks Gmbh Friedrich Anlage zum Herstellen von Baendern auf Breitbandwalzwerken
GB1373376A (en) * 1971-11-15 1974-11-13 Canada Steel Co Method and apparatus for rolling hot metal workpieces and coiler for use in coiling hot metal workpieces
GB2036621A (en) * 1978-12-12 1980-07-02 Davy Loewy Ltd Rolling plant
US4384468A (en) * 1981-09-29 1983-05-24 Tippins Machinery Company, Inc. Method and apparatus for coiling strip on a hot mill
GB2129723A (en) * 1982-11-11 1984-05-23 Mannesmann Ag Manufacture of metal strip
EP0177187A1 (fr) * 1984-09-04 1986-04-09 Tippins Incorporated Procédé et dispositif pour la coulée de plaques
JPS61269904A (ja) * 1985-05-27 1986-11-29 Nippon Kokan Kk <Nkk> 直接圧延による熱延鋼帯製造設備

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 11, Nr. 128 (M-583)[2575], 22. April 1987; & JP-A-61 269 904 (NIPPON KOKAN K.K.) 29-11-1986 *
STAHL- UND EISEN, Band 103, Nr. 7, 11. April 1983, Seiten 295-300; H.-G. H]SKEN et al.: "Einsatz der Coilbox in der Warmbreitbandstrasse der Krupp Stahl AG" *

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5433264A (en) * 1992-06-30 1995-07-18 Danieli & C. Officine Meccaniche Spa. Assembly to wind-unwind thin slabs
EP0576890A1 (fr) * 1992-06-30 1994-01-05 DANIELI &amp; C. OFFICINE MECCANICHE S.p.A. Dispositif pour enrouler et dérouler des brames minces
WO1994029042A1 (fr) * 1993-06-04 1994-12-22 Giovanni Arvedi Unite d'interconnexion entre au moins une ligne d'acheminement pour le traitement a chaud de produits en acier aplatis, par exemple sous forme de minces plaques ou bandes, et un laminoir de finissage en aval
EP0647485A1 (fr) * 1993-10-08 1995-04-12 MANNESMANN Aktiengesellschaft Dispositif pour enrouler et dérouler alternativement des matériaux en forme de feuillard
EP0659503A3 (fr) * 1993-12-27 1995-08-02 Hitachi Ltd
CN1048434C (zh) * 1993-12-27 2000-01-19 株式会社日立制作所 连续铸造设备与连续铸造系统
DE19680225C1 (de) * 1995-04-13 1999-12-02 Voest Alpine Ind Anlagen Haspelofen für ein Warmband
WO1996032509A1 (fr) * 1995-04-13 1996-10-17 Voest-Alpine Industrieanlagenbau Gmbh Four a devidoir pour feuillard a chaud
GB2303691A (en) * 1995-04-13 1997-02-26 Voest Alpine Ind Anlagen Hot-rolled strip reel furnace
GB2303691B (en) * 1995-04-13 1998-10-28 Voest Alpine Ind Anlagen Coiler furnace for a hot strip
US6134934A (en) * 1996-01-31 2000-10-24 Voest-Alpine Industrieanlagenbau Gmbh Process and device for reverse rolling metal strips
AT405028B (de) * 1996-01-31 1999-04-26 Voest Alpine Ind Anlagen Verfahren zum reversierwalzen von band sowie einrichtung zur durchführung des verfahrens
EP0916415A4 (fr) * 1997-04-04 2002-05-22 Kawasaki Steel Co Procede de laminage a chaud de profiles lourds pour largets, et equipement d'acierie utile a cet effet
EP0904861A1 (fr) * 1997-09-11 1999-03-31 Nkk Corporation Méthode de laminage à chaud d'une bande mince et installation pour cette méthode
WO2006046266A1 (fr) * 2004-10-28 2006-05-04 Giovanni Arvedi Procede et ligne de production pour fabriquer des bandes d'acier ultraminces a chaud a l'aide de deux lignes de coulage pour une ligne de laminage sans fin unique
EP1657004A1 (fr) * 2004-10-28 2006-05-17 ARVEDI, Giovanni Procédé et ligne de production pour la fabrication de bandes ultrafines en acier présentant deux lignes de coulée pour une seule ligne de laminage en continu
CN101052481B (zh) * 2004-10-28 2012-11-14 乔瓦尼·阿尔维迪 用于生产热轧钢带的生产线及生产方法

Also Published As

Publication number Publication date
JPH01210159A (ja) 1989-08-23
DE3743057C1 (de) 1988-09-01

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