EP0841995A1 - Unite de production de brames minces a haute vitesse - Google Patents

Unite de production de brames minces a haute vitesse

Info

Publication number
EP0841995A1
EP0841995A1 EP96928327A EP96928327A EP0841995A1 EP 0841995 A1 EP0841995 A1 EP 0841995A1 EP 96928327 A EP96928327 A EP 96928327A EP 96928327 A EP96928327 A EP 96928327A EP 0841995 A1 EP0841995 A1 EP 0841995A1
Authority
EP
European Patent Office
Prior art keywords
strip
plant
casting
continuous casting
continuous
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
EP96928327A
Other languages
German (de)
English (en)
Other versions
EP0841995B1 (fr
Inventor
Fritz-Peter Pleschiutschnigg
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
Mannesmann 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 Mannesmann AG filed Critical Mannesmann AG
Publication of EP0841995A1 publication Critical patent/EP0841995A1/fr
Application granted granted Critical
Publication of EP0841995B1 publication Critical patent/EP0841995B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5184—Casting and working

Definitions

  • the invention relates to a plant for the production of hot-rolled steel strip from strip-shaped continuously cast starting material in successive working steps, in which the solidified pre-material is divided into preliminary strip lengths by means of a strand subsystem and after descaling the surface, in one
  • Compensating furnace brought to homogeneous rolling temperature, pre-rolled in at least two passes in a first rolling mill used as a roughing mill and, after being temporarily stored in winding and unwinding stations arranged in front of the finishing mill, is fed to the finishing mill for rolling out to finished strip thickness after upstream descaling.
  • the object of the present invention is to find a generic system, consisting of the continuous casting stage and the rolling stage, which has a minimal investment at max. Productivity and minimal conversion costs while at the same time ensuring strip thicknesses of up to 1 mm, or which is in a first approximation in a capacity balance to the Kontifertigstrasse.
  • a cooling or insulating section provided between the continuous casting plant and the compensating furnace for the strip-shaped primary material and a transverse transport furnace of approx. 45 m length and approx. 5 to 20 m width arranged downstream of the strand part arrangement and upstream of the preliminary mill.
  • the invention enables by combining the features of the main claim with only one continuous caster - while ensuring a min. Rolling effort and a min. Hot strip thickness from 1.0 to 0.8 mm - to fully utilize the rolling mill equipment with a capacity of 2 - 2.5 million tpa.
  • This solution is further characterized in that the slabs can be introduced into the compensating furnace (transverse transport furnace) with sufficient heat content.
  • the furnace then only has the task of equalizing the temperature of the slab and, if necessary, making it possible to buffer the slabs between the continuous casting stage and the rolling mill stage.
  • Buffering (dwell time) of the slabs in the furnace may be necessary for reasons of production disruption or for technical reasons and / or affect the internal structure (e.g. grain formation).
  • the furnace is therefore operated in an energy-neutral manner, the only energy to be supplied to the furnace is that it loses due to its radiation losses (e.g. 0.5 KW / m2).
  • This energy can be supplied both by burners and by a higher slab heat content, as is required for the rolling, in the latter case e.g. the oven also works as a type of cooling unit.
  • the heat content of the slab can be influenced by spray cooling and / or a controlled coverable roller table or an intermediate buffer.
  • the concave shape of the broad sides of the mold and / or the strand guide and / or by means of elements which guide and center the slab laterally over its narrow sides in the strand guide ensures that the strand runs in a straight line, which ensures casting reliability, particularly in the area of the mold, at a high level Casting speed from 4 to 8 m / min. guaranteed.
  • the described invention brings the advantage of a thicker Schiackenfilm section between the strand shell and the mold wall, which also makes the casting of crack-sensitive steel grades easier.
  • Fig. 2 in a table the residence times of the slabs of different thicknesses between the continuous caster and the furnace inlet.
  • the required annual capacity of 2 - 2.5 million tpa is represented with just one continuous caster.
  • This continuous caster is characterized by a
  • Continuous casting mold 1 with a thickness of 140 - 90 mm and a concavity per broadside between 30 and 3 mm, a pliers segment 2 for reducing the strand thickness to min. 90mm and / or a strand guide and centering with the help of concave roller profiles in the strand guide and / or lateral elements, a solidification thickness of 90 -125 mm.
  • This continuous caster can with no significant casting disruption
  • the strand S emerging from the casting plant can, after setting the required heat content for the later necessary rolling process, in the
  • Temperature compensation furnace 6 run in, which can also serve as a buffer. This temperature compensation furnace 6 is dimensioned in its length (max. 45 m) so that a spec. Coil weight of max. 25 kg / mm can be generated. After the temperature has been equalized, the slab B either enters the tandem roughing mill 8.9 with strand thicknesses ⁇ 90 mm or with another "layout"
  • Reversing stand 16 for strand thicknesses ⁇ 125 mm. In both cases the slab B is rolled to an intermediate thickness of 15 mm. This intermediate thickness is achieved either with the tandem roughing mill 8.9 in 2 passes or with the 1-stand reversing stand 16 in 3 passes.
  • the intermediate band Z produced for example 15 mm, is interwound and fed to the 4-5-stand finishing mill 13 with an upstream descaling 12.
  • a retraction speed of, for example, 0.8 m / see. into the 1st scaffolding of the finishing train 13, which prevents new scaling, and leaves the 5th scaffolding the finishing train 13 with a thickness of 1 mm and an exit speed of 12 m / see.
  • the Auslaufroligang 14 is characterized by a particularly small rolling and thus roller spacing in order to guide the thin strips well and to avoid lifting the strip.
  • a reel just behind the last finishing stand (5-15mm) with upstream belt cooling is possible
  • the thin hot strips produced in this way can replace a large part of the cold rolled strips on the market and thus also enable a great cost and energy advantage over the normal production lines.
  • Fig. 2 shows in table form the dwell times of the slabs B of different thicknesses between the continuous caster 1, 2 and the inlet into the equalizing furnace 6, which are necessary for the slab B to have the required heat content for the rolling stage when entering the equalizing furnace 6 via radiation having.
  • This max. Residence time can also be shortened by water cooling 5 or by a roller table cover 5a, e.g. in the case of low continuous casting speeds of 4m / min. be extended.
  • Mold thickness solidification thickness or B 75 mm strand thickness in the mold
  • Mold thickness solidification thickness or C 50 mm strand thickness in the mold
  • plants A and B are up for discussion. In case A, one plant is sufficient for the utilization of a finishing train with 25 approx. 2.5 million tpa, in case B two plants are required for the utilization of the finishing train.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Artificial Fish Reefs (AREA)
  • Continuous Casting (AREA)
  • Laminated Bodies (AREA)
  • Glass Compositions (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

L'invention concerne une unité permettant de produire des feuillards d'acier laminés à chaud à partir d'un matériau brut obtenu par coulée continue sous forme de bande. Cette unité comprend une unité de coulée continue de matériau brut, comportant un système de laminage après coulée, avec une vitesse de coulée de 4 à 8 m/mn et une épaisseur de solidification comprise entre 90 et 125 mm, à l'aide d'un moule de coulée continue oscillant dont la concavité se situe entre le niveau de coulée et la sortie du moule et/ou d'un système de guidage de coulée à concavité et/ou des éléments de centrage et de guidage situés dans le bâti du système de guidage de coulée dans la zone de leurs petits côtés, servant à guider et à centrer les brames. L'unité comprend également une section de refroidissement et d'isolation pour le matériau brut sous forme de bande, prévue entre l'unité de coulée continue et un four d'égalisation, ainsi qu'un four à transport transversal d'environ 45 m de long et d'environ 5 à 20 m de large, monté en aval de l'unité de coulée continue et en amont du train dégrossisseur.
EP96928327A 1995-07-31 1996-07-19 Unite de production de brames minces a haute vitesse Expired - Lifetime EP0841995B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19529049A DE19529049C1 (de) 1995-07-31 1995-07-31 Hochgeschwindigkeits-Dünnbrammenanlage
DE19529049 1995-07-31
PCT/DE1996/001378 WO1997005971A1 (fr) 1995-07-31 1996-07-19 Unite de production de brames minces a haute vitesse

Publications (2)

Publication Number Publication Date
EP0841995A1 true EP0841995A1 (fr) 1998-05-20
EP0841995B1 EP0841995B1 (fr) 2000-03-22

Family

ID=7768931

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96928327A Expired - Lifetime EP0841995B1 (fr) 1995-07-31 1996-07-19 Unite de production de brames minces a haute vitesse

Country Status (14)

Country Link
US (1) US5991991A (fr)
EP (1) EP0841995B1 (fr)
JP (1) JPH11510099A (fr)
KR (1) KR100266827B1 (fr)
CN (1) CN1075964C (fr)
AT (1) ATE190876T1 (fr)
AU (1) AU696074B2 (fr)
BR (1) BR9609962A (fr)
CA (1) CA2228280A1 (fr)
DE (3) DE19529049C1 (fr)
RU (1) RU2166387C2 (fr)
TR (1) TR199800123T1 (fr)
WO (1) WO1997005971A1 (fr)
ZA (1) ZA966395B (fr)

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US6194481B1 (en) * 1999-05-19 2001-02-27 Board Of Regents Of The University Of Texas System Mechanically strong and transparent or translucent composites made using zirconium oxide nanoparticles
EP1059125A3 (fr) * 1999-06-08 2003-01-15 SMS Demag AG Procédé pour la fabrication de bandes métalliques
DE19947764A1 (de) 1999-10-02 2001-04-12 Bosch Gmbh Robert Verfahren und Vorrichtung zum Erkennen des Arbeitszustandes eines Zylinders einer 6-Zylinder- oder 12-Zylinder-Verbrennungsmaschine
AT408323B (de) * 1999-12-01 2001-10-25 Voest Alpine Ind Anlagen Verfahren zum stahl-stranggiessen
DE10045085C2 (de) * 2000-09-12 2002-07-18 Siemens Ag Gießwalzanlage
CA2435644C (fr) * 2001-01-23 2010-06-01 Stephen T. Wellinghoff Nouveaux procedes et melanges destines a reguler la rheologie et la temperature de transition de cristaux liquides
DE10109223C1 (de) * 2001-02-26 2002-08-01 Siemens Ag Verfahren zum Betreiben einer Gießwalzanlage
DE10137944A1 (de) * 2001-08-07 2003-02-20 Sms Demag Ag Warmwalzanlage
DE10138794A1 (de) * 2001-08-07 2003-02-27 Sms Demag Ag Verfahren und Anlage zur Produktion von Flach- und Langprodukten
DE10304318C5 (de) * 2003-02-04 2015-10-15 Sms Group Gmbh Verfahren zum Walzen von dünnen und/oder dicken Brammen aus Stahlwerkstoffen zu Warmband
DE10325955A1 (de) * 2003-06-07 2004-12-23 Sms Demag Ag Verfahren und Anlage zum Erzeugen von Stahlprodukten mit bester Oberflächenqualität
CN1840252A (zh) * 2005-03-28 2006-10-04 鞍钢集团新钢铁有限责任公司 中厚板坯连铸连轧板卷的生产工艺
CN101391264B (zh) * 2007-09-19 2011-02-02 中冶赛迪工程技术股份有限公司 一种薄中板连铸连轧生产的工艺方法
CN101590488B (zh) * 2008-05-27 2011-06-15 中冶赛迪工程技术股份有限公司 一种热轧带钢粗轧工序的轧制工艺技术
EP2441540A1 (fr) 2010-10-12 2012-04-18 Siemens VAI Metals Technologies GmbH Procédé et installation de production à efficience énergétique d'une bande chaude en acier
EP2441539A1 (fr) * 2010-10-12 2012-04-18 Siemens VAI Metals Technologies GmbH Procédé à sortie d'énergie optimisée et installation de production d'une bande chaude en acier
JP2015035006A (ja) * 2012-04-26 2015-02-19 インターナショナル・ビジネス・マシーンズ・コーポレーションＩｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ 複数の要素の結合結果を識別する情報処理装置、プログラムおよび方法
CN105964961B (zh) * 2016-06-23 2018-05-08 江苏永钢集团有限公司 连铸机钢坯导向输送装置
CN106270433B (zh) * 2016-08-31 2019-02-19 山西太钢不锈钢股份有限公司 侧凹型板坯的连铸生产系统及方法
IT201700028768A1 (it) * 2017-03-15 2018-09-15 Danieli Off Mecc Impianto combinato di colata continua e laminazione di nastri metallici a caldo
CN107413850B (zh) * 2017-06-28 2019-02-01 钢铁研究总院 用于直接轧制方矩形钢坯的输送过程铸轧衔接方法
CN107931328A (zh) * 2017-11-20 2018-04-20 江苏省冶金设计院有限公司 一种双带钢生产工艺
AT522265B1 (de) * 2019-03-06 2021-12-15 Primetals Technologies Austria GmbH Umbau einer stranggiessanlage für knüppel- oder vorblockstränge
IT202200023295A1 (it) * 2022-11-11 2024-05-11 Danieli Off Mecc Impianto e procedimento per la produzione di prodotti laminati piani
CN118321340B (zh) * 2024-06-07 2024-08-27 中北大学 一种异型金属丝的加工方法

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Also Published As

Publication number Publication date
CN1075964C (zh) 2001-12-12
WO1997005971A1 (fr) 1997-02-20
AU6784796A (en) 1997-03-05
DE59604788D1 (de) 2000-04-27
TR199800123T1 (xx) 1998-05-21
US5991991A (en) 1999-11-30
DE19529049C1 (de) 1997-03-20
CA2228280A1 (fr) 1997-02-20
BR9609962A (pt) 1999-02-02
ZA966395B (en) 1997-02-19
KR19990036020A (ko) 1999-05-25
RU2166387C2 (ru) 2001-05-10
JPH11510099A (ja) 1999-09-07
KR100266827B1 (ko) 2000-09-15
EP0841995B1 (fr) 2000-03-22
CN1192170A (zh) 1998-09-02
ATE190876T1 (de) 2000-04-15
AU696074B2 (en) 1998-09-03
DE19680651D2 (de) 1998-10-01

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