EP0919296A1 - Adaption des trains de laminage chauds pour laminer des bandes minces - Google Patents

Adaption des trains de laminage chauds pour laminer des bandes minces Download PDF

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Publication number
EP0919296A1
EP0919296A1 EP97120406A EP97120406A EP0919296A1 EP 0919296 A1 EP0919296 A1 EP 0919296A1 EP 97120406 A EP97120406 A EP 97120406A EP 97120406 A EP97120406 A EP 97120406A EP 0919296 A1 EP0919296 A1 EP 0919296A1
Authority
EP
European Patent Office
Prior art keywords
furnace
strip
hot strip
rolling
existing hot
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
EP97120406A
Other languages
German (de)
English (en)
Other versions
EP0919296B1 (fr
Inventor
Dieter Rosenthal
Günter Dr. Kneppe
Dieter Ladda
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 Siemag AG
Original Assignee
SMS Schloemann Siemag AG
Schloemann 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 Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Priority to ES97120406T priority Critical patent/ES2196240T3/es
Priority to EP97120406A priority patent/EP0919296B1/fr
Priority to DE59709709T priority patent/DE59709709D1/de
Priority to AT97120406T priority patent/ATE235972T1/de
Priority to US09/196,379 priority patent/US6122950A/en
Publication of EP0919296A1 publication Critical patent/EP0919296A1/fr
Application granted granted Critical
Publication of EP0919296B1 publication Critical patent/EP0919296B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/142—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving along a vertical axis
    • 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
    • B21B2201/00—Special rolling modes
    • B21B2201/02—Austenitic rolling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B2009/3094—Means to store a part of the charge in the furnace

Definitions

  • the invention relates to an existing hot strip mill with a Walking beam furnace, a reversing scaffold downstream of this and if necessary. Scissors and / or descaling devices, and a following Hot strip finishing train for the production of thin, austenitic rolled Hot strip.
  • Such hot strip mills are in operation in large numbers. With These hot strip mills can be used for hot strips with a thickness of Roll 1.5 mm, at best 1.2 mm. This is where these hot strip mills meet to its limits. A further reduction in the strip thickness is not possible with these roads. There are two reasons: On the one hand, the mean temperature of the strip at the exit of the last stand of the hot strip finishing mill approx. 890 ° C to 930 ° C do not fall below to guarantee an austenitic rolling. On the other hand, the speed at the exit of the last scaffolding is allowed the hot strip finishing train does not exceed approx. 11.0 to 12.5 m / s, otherwise the hot strip on the outlet roller table is not can be guided more properly and then reeled. In addition, the threading in the hot strip mill at such high speeds is problematic.
  • the slabs are cut in several in the fore line of a hot strip mill Roll stitches rolled out to a supporting strip. It forms over the Length of the opening strip a temperature wedge, which is essentially due the decrease distribution during rolling and the rolling speeds being affected.
  • the hot strip finishing mill is turned into the hot strip finishing mill introduced, which is at its edges Temperature level at the lower limit of that for the first roll stand the hot strip finishing line has the necessary temperature, the Belt center temperature is however correspondingly too high.
  • the strip center temperature as mentioned above, be at least approx. 890 ° C to 930 ° C.
  • skidmarks areas of the material in the walking beam furnace, which lie on the beam, be cooled more than the rest Area of the input material, so that through the transverse to the rolling direction walking beam running in the feed material transverse to the rolling direction colder areas of the tape arise.
  • These so-called “skidmarks” must also be entered at the hot strip finishing line be taken into account from the temperature, so that if necessary. the opening temperature in the area outside the skidmarks still is considerably higher than the strip edge temperature in the range of skidmarks.
  • the invention has for its object existing hot strip mills, by means of which tape down to thicknesses of 1.5 to 1.2 mm can be rolled to rebuild or retrofit that the strip thickness can be lowered below 1 mm, the retrofitting should be as inexpensive as possible.
  • the temperatures in the edge area can be adjusted using the compensating oven of the opening act, from the beginning or end of the band and possibly existing Compensate skidmarks so that a supporting strip with a homogeneous Temperature is generated, the temperature of the equalization furnace leaving the preliminary strip to the lowest for the hot strip finishing train necessary input temperature can be set.
  • the pre-strip temperature is constant over length and width for absolutely stationary process conditions in the finishing train to care. This creates the best possible conditions for rolling of tapes with minimal end tape thicknesses.
  • induction heaters are assigned to the compensating furnace, you can selectively heated areas of the belt or the temperature level be influenced overall. Will the Compensating furnace arranged parallel to each other, so this can by simply moving it horizontally or vertically in parallel brought to the rolling line for loading or unloading in the rolling line become.
  • this allows the support strip to enter the rolling line in one cycle be involved, with the actual heating device in parallel is arranged to the rolling line.
  • the compensating furnace is designed as a roller hearth furnace is to make sure there are no skidmarks can.
  • the compensation furnace can be removed from the Extend the rolling line and a conventional roller table in its place drive in.
  • Figure 1 shows a walking beam furnace 1, which in the rolling direction 2 Reversing frame 3 connects.
  • the feed e.g. B. blocks, heated, and from the furnace 1 to the reversing frame 3 given, where it was rolled to support strip in several passes becomes.
  • FIG. 2 shows between the reversing stand 3 and the hot strip finishing train 6 a compensating furnace 7.
  • the compensating furnace 7 has several Recording places 8 to 8 '' ''. These are in the direction of arrow 9 displaceable, the arrangement shown both for one in essentially horizontal as well as for a substantially vertical arranged compensation furnace 7 should stand.
  • an induction heater 10 is shown in front of the expansion furnace 7.
  • FIG. 3 shows the furnace 1, the reversing stand 3 and the hot strip finishing train 6. Furthermore, two ferries 11 and 12 can be seen, between which the consecutively arranged recording spaces 13 to 13 '' ' of the compensating furnace 7 'are arranged.
  • the support is brought back to ferry 11 and here from the Move the rolling line out into the line of the receiving positions 13 to 13 '' '.
  • the pre-strips are removed and after pushed into the ferry 12, by means of which they again in the Rolling line and from there to hot strip finishing line 6 become.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Metal Rolling (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Luminescent Compositions (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
EP97120406A 1997-11-21 1997-11-21 Adaption des trains de laminage chauds pour laminer des bandes minces Expired - Lifetime EP0919296B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES97120406T ES2196240T3 (es) 1997-11-21 1997-11-21 Reequipamiento de trenes laminadores en caliente para laminar bandas delgadas.
EP97120406A EP0919296B1 (fr) 1997-11-21 1997-11-21 Adaption des trains de laminage chauds pour laminer des bandes minces
DE59709709T DE59709709D1 (de) 1997-11-21 1997-11-21 Nachrüstung von Warmwalzstrassen zum Walzen von dünnen Bändern
AT97120406T ATE235972T1 (de) 1997-11-21 1997-11-21 Nachrüstung von warmwalzstrassen zum walzen von dünnen bändern
US09/196,379 US6122950A (en) 1997-11-21 1998-11-19 Hot rolling train for rolling thin strips

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97120406A EP0919296B1 (fr) 1997-11-21 1997-11-21 Adaption des trains de laminage chauds pour laminer des bandes minces

Publications (2)

Publication Number Publication Date
EP0919296A1 true EP0919296A1 (fr) 1999-06-02
EP0919296B1 EP0919296B1 (fr) 2003-04-02

Family

ID=8227654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97120406A Expired - Lifetime EP0919296B1 (fr) 1997-11-21 1997-11-21 Adaption des trains de laminage chauds pour laminer des bandes minces

Country Status (5)

Country Link
US (1) US6122950A (fr)
EP (1) EP0919296B1 (fr)
AT (1) ATE235972T1 (fr)
DE (1) DE59709709D1 (fr)
ES (1) ES2196240T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20100125A1 (it) * 2010-06-24 2011-12-25 Danieli Off Mecc Procedimento e impianto di colata e laminazione per realizzare prodotti laminati metallici lunghi
EP3714999A1 (fr) * 2019-03-28 2020-09-30 Primetals Technologies Germany GmbH Détermination de la nomination d'un rouleau
EP4368307A1 (fr) * 2022-11-11 2024-05-15 Danieli & C. Officine Meccaniche S.p.A. Installation et procédé de fabrication de produits laminés plats
EP4368305A1 (fr) * 2022-11-11 2024-05-15 Danieli & C. Officine Meccaniche S.p.A. Procédé de modernisation d'une installation de production de produits laminés plats

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407348B (de) * 1997-10-10 2001-02-26 Voest Alpine Ind Anlagen Verfahren zum herstellen eines warmgewalzten produktes und anlage zur durchführung des verfahrens
GB2340759B (en) * 1998-08-26 2003-05-07 Bespak Plc Improvements in drug delivery devices
DE102016105622B4 (de) 2016-03-24 2022-01-13 Ludwig Hettich Holding Gmbh & Co. Kg Verfahren zur Herstellung eines Schraubankers mit einem metrischen Anschlussgewinde

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1839789A (en) * 1927-11-10 1932-01-05 United Eng Foundry Co Rolling sheets
DE704660C (de) * 1938-07-12 1941-04-03 Mannesmann Ag In die Foerdervorrichtung zweier hintereinanderliegenden Warmbearbeitungsvorrichtungen (Walzwerke) eingebauter Ofen
JPS54120267A (en) * 1978-03-13 1979-09-18 Toshiba Corp Continuous hot rolling mill
EP0286082A2 (fr) * 1987-04-08 1988-10-12 Hitachi, Ltd. Procédé et appareil pour laminer, directement accouplé à une coulée continue
DE4017928A1 (de) * 1990-06-05 1991-12-12 Schloemann Siemag Ag Verfahren und anlage zur herstellung von warmgewalzten baendern oder profilen aus stranggegossenem vormaterial
EP0499851A1 (fr) * 1991-02-19 1992-08-26 DANIELI & C. OFFICINE MECCANICHE S.p.A. Système à tunnel pour lier un laminoir de bandes à chaud au dispositifs de coulée en continu de lames minces
EP0531755A1 (fr) * 1991-09-09 1993-03-17 Sms Schloemann-Siemag Aktiengesellschaft Procédé pour la fabrication à chaud de large bande
EP0734793A1 (fr) * 1995-03-28 1996-10-02 MANNESMANN Aktiengesellschaft Procédé et dispositif pour la production de bandes d'acier laminées à chaud
GB2301660A (en) * 1995-06-01 1996-12-11 Ralph Gladwin Haynes Buffer furnace

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3665680D1 (en) * 1986-10-13 1989-10-26 Schloemann Siemag Ag Production of hot-rolled steel strip from continuously cast slabs
CA2004548C (fr) * 1988-12-05 1996-12-31 Kenji Aihara Matiere metallique a grain ultra-fin et methode de fabrication
US5511303A (en) * 1992-05-12 1996-04-30 Tippins Incorporated Intermediate thickness and multiple furnace process line
IT1259487B (it) * 1992-08-26 1996-03-20 Danieli Off Mecc Procedimento per la produzione di lamiere sottili ed impianto di laminazione compatto adottante tale procedimento
TW245661B (fr) * 1993-01-29 1995-04-21 Hitachi Seisakusyo Kk

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1839789A (en) * 1927-11-10 1932-01-05 United Eng Foundry Co Rolling sheets
DE704660C (de) * 1938-07-12 1941-04-03 Mannesmann Ag In die Foerdervorrichtung zweier hintereinanderliegenden Warmbearbeitungsvorrichtungen (Walzwerke) eingebauter Ofen
JPS54120267A (en) * 1978-03-13 1979-09-18 Toshiba Corp Continuous hot rolling mill
EP0286082A2 (fr) * 1987-04-08 1988-10-12 Hitachi, Ltd. Procédé et appareil pour laminer, directement accouplé à une coulée continue
DE4017928A1 (de) * 1990-06-05 1991-12-12 Schloemann Siemag Ag Verfahren und anlage zur herstellung von warmgewalzten baendern oder profilen aus stranggegossenem vormaterial
EP0499851A1 (fr) * 1991-02-19 1992-08-26 DANIELI & C. OFFICINE MECCANICHE S.p.A. Système à tunnel pour lier un laminoir de bandes à chaud au dispositifs de coulée en continu de lames minces
EP0531755A1 (fr) * 1991-09-09 1993-03-17 Sms Schloemann-Siemag Aktiengesellschaft Procédé pour la fabrication à chaud de large bande
EP0734793A1 (fr) * 1995-03-28 1996-10-02 MANNESMANN Aktiengesellschaft Procédé et dispositif pour la production de bandes d'acier laminées à chaud
GB2301660A (en) * 1995-06-01 1996-12-11 Ralph Gladwin Haynes Buffer furnace

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 003, no. 142 (C - 065) 24 November 1979 (1979-11-24) *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20100125A1 (it) * 2010-06-24 2011-12-25 Danieli Off Mecc Procedimento e impianto di colata e laminazione per realizzare prodotti laminati metallici lunghi
EP2399683A1 (fr) * 2010-06-24 2011-12-28 DANIELI & C. OFFICINE MECCANICHE S.p.A. Procédé de moulage de roulement continu et installation pour fabriquer des produits roulés long et en métal
US8322400B2 (en) 2010-06-24 2012-12-04 Danieli & C. Officine Meccaniche Spa Casting and continuous rolling method and plant to make long metal rolled products
EP3714999A1 (fr) * 2019-03-28 2020-09-30 Primetals Technologies Germany GmbH Détermination de la nomination d'un rouleau
WO2020193051A1 (fr) * 2019-03-28 2020-10-01 Primetals Technologies Germany Gmbh Détermination d'un réglage d'une cage de laminoir
CN113646101A (zh) * 2019-03-28 2021-11-12 普锐特冶金技术德国有限公司 轧机机架的调整的得出
US11565290B2 (en) 2019-03-28 2023-01-31 Primetals Technologies Germany Gmbh Determination of an adjustment of a roll stand
CN113646101B (zh) * 2019-03-28 2023-08-11 普锐特冶金技术德国有限公司 轧机机架的调整的得出
EP4368307A1 (fr) * 2022-11-11 2024-05-15 Danieli & C. Officine Meccaniche S.p.A. Installation et procédé de fabrication de produits laminés plats
EP4368305A1 (fr) * 2022-11-11 2024-05-15 Danieli & C. Officine Meccaniche S.p.A. Procédé de modernisation d'une installation de production de produits laminés plats
WO2024100691A1 (fr) * 2022-11-11 2024-05-16 Danieli & C. Officine Meccaniche S.P.A. Installation et procédé de production de produits laminés en bande
WO2024100690A1 (fr) * 2022-11-11 2024-05-16 Danieli & C. Officine Meccaniche S.P.A. Procédé de modernisation d'une installation de production de produits laminés plats

Also Published As

Publication number Publication date
ES2196240T3 (es) 2003-12-16
ATE235972T1 (de) 2003-04-15
US6122950A (en) 2000-09-26
EP0919296B1 (fr) 2003-04-02
DE59709709D1 (de) 2003-05-08

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