EP0841995B1 - Hochgeschwindigkeits-dünnbrammenanlage - Google Patents

Hochgeschwindigkeits-dünnbrammenanlage Download PDF

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Publication number
EP0841995B1
EP0841995B1 EP96928327A EP96928327A EP0841995B1 EP 0841995 B1 EP0841995 B1 EP 0841995B1 EP 96928327 A EP96928327 A EP 96928327A EP 96928327 A EP96928327 A EP 96928327A EP 0841995 B1 EP0841995 B1 EP 0841995B1
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EP
European Patent Office
Prior art keywords
strip
casting
starting material
installation
train
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.)
Expired - Lifetime
Application number
EP96928327A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0841995A1 (de
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
SMS Demag AG
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Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP0841995A1 publication Critical patent/EP0841995A1/de
Application granted granted Critical
Publication of EP0841995B1 publication Critical patent/EP0841995B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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 made from strip-shaped continuous material in successive Steps in which the solidified primary material is processed in a strand section plant in Pre-strip lengths divided and after descaling the surface, in one Compensating furnace brought to homogeneous rolling temperature, in a first as Roll mill used in roughing mill pre-rolled in at least two passes and after buffering in upstream and downstream of the finishing train Unwinding stations after descaling the finishing train to Rolling out to finished strip thickness is supplied.
  • These continuous casting machines are operated with a casting speed of 5 to 6 m / min operated with high operational reliability and have a thickness in Casting level of 50 - 80 mm a solidification thickness of 60 to 43 mm.
  • classic continuous casting plants are the exemplary Dimension of 1600 x 200 mm with max. 2 m / min, poured.
  • the object of the present invention is a generic system, consisting of the continuous casting stage and rolling stage, to find the one minimal investment at max.
  • Productivity and minimal Conversion costs while ensuring strip thicknesses of up to 1 mm achieved, or in a first approximation in a capacity balance to Kontifertigstrasse stands.
  • a continuous caster with a casting roll device for producing the strip-shaped primary material with a casting speed of 4-8 m / min and a solidification thickness of 90-125 mm using an oscillating, hydraulically driven continuous casting mold with concavity between Casting level and mold outlet and / or a strand guide with concavity and / or with centering and guide elements in the strand guide frame in the Area of their narrow sides for guiding and centering the slab, one between the continuous caster and the compensating furnace provided cooling or Insulating section for the strip-shaped primary material and one of the strand section plant downstream and upstream of the cross conveyor furnace of approx. 45m long and about 5 to 20m wide.
  • the invention enables by combining the features of Main claim with only one continuous caster - with simultaneous Ensuring a min. Rolling effort and a min. Hot strip end thickness of 1.0 to 0.8 mm - the rolling mill facility with a capacity of 2 - 2.5 million tpa to fully utilize.
  • This solution is further characterized in that the slabs with a sufficient heat content in the equalization furnace (cross transport furnace) can be introduced.
  • the oven then only has the task of temperature level the slab and, if necessary, buffer the slabs possible between the continuous casting stage and the rolling mill stage.
  • Buffering (dwell time) of the slabs in the furnace can, 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 furnace is only that To supply energy that he receives via his radiation losses (e.g. 0.5 KW / m2) loses.
  • This energy can be obtained both through burners and through a higher one Slab heat content, as required for 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 slab After the slab has left the furnace, it is transported in a tandem roughing mill 2 stitches or a single-stand reversing roughing mill in 3 stitches, on 25-10 mm rolled to stand after an intermediate winding in a 4 or 5 frame Finishing mill to be finish-rolled down to a minimum of 0.8-1.0 mm hot strip.
  • This solution has a high level of operational reliability because the strand is in relation for thin slab with a thickness in the mold of e.g. 50mm a 2 - 6 fold has higher slag availability, which leads to a correspondingly lower Heat transfer and lower thermal stress on both the strand shell and also leads the mold plates.
  • the described invention has the advantage of being thicker Slag film formation between the strand shell and the mold wall, the it also makes it easier to cast crack-sensitive steel grades.
  • This continuous caster is characterized by a Continuous casting mold 1 with a thickness of 140 - 90 mm and a concavity each Broadside between 30 and 3 mm, a pair of pliers 2 for the Reduce the strand thickness to min. 90mm and / or a strand guide and Centering using 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 Casting speed between 4 - 8 m / min
  • the strand S emerging from the casting plant can be adjusted after the required Heat content for the subsequent 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.
  • the slab B either enters the tandem roughing mill 8.9 for strand thicknesses ⁇ 90 mm or with another "layout" in the Reversing stand 16 for strand thicknesses ⁇ 125 mm. In both cases the Slab B rolled to an intermediate thickness of 15 mm. This intermediate thickness will either with the tandem Vor Identification 8.9 in 2 passes or with the 1-stand Reversing frame 16 reached in 3 passes.
  • the intermediate band Z generated by e.g. 15mm between the 4 - 5 stand finishing train 13 with a upstream descaling 12 supplied.
  • a upstream descaling 12 supplied.
  • the intermediate band Z generated by e.g. 15mm between the 4 - 5 stand finishing train 13 with a upstream descaling 12 supplied.
  • the intermediate band Z occurs with one Feed speed of e.g. 0.8 m / sec.
  • the 1st scaffolding of the finishing train 13 which excludes rescaling and leaves the 5th scaffolding the finishing train 13 with a thickness of 1 mm and an exit speed of 12 m / sec.
  • the exclusive Auslaufroligang 14 with roller intervals of min. 100 mm it passes through a belt cooling and is at approx. 650 ° C from Winding reel 15 wound up.
  • the run-out roller table 14 is characterized by particularly small rolling and thus roller spacings in order to guide the thin strips well and to avoid lifting the strip.
  • the thin hot strips produced in this way can cover a large part of the Cold rolled strips replace on the market and thus enable one great cost and energy advantage over normal production lines.
  • Fig. 2 shows the dwell times of the slabs B in different tables Thicknesses between the continuous caster 1,2 and the inlet in the Compensation furnace 6, which are necessary for the slab B to be exposed to radiation the required heat content for the rolling stage when entering the Equalization furnace 6.
  • 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 minor Continuous casting speeds of 4m / min. be extended.
  • plants A and B are available Discussion. In case A, one system is sufficient for the utilization of a finishing train approx. 2.5 million tpa, in case B there are two plants for the utilization of the finishing train necessary.
EP96928327A 1995-07-31 1996-07-19 Hochgeschwindigkeits-dünnbrammenanlage Expired - Lifetime EP0841995B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19529049 1995-07-31
DE19529049A DE19529049C1 (de) 1995-07-31 1995-07-31 Hochgeschwindigkeits-Dünnbrammenanlage
PCT/DE1996/001378 WO1997005971A1 (de) 1995-07-31 1996-07-19 Hochgeschwindigkeits-dünnbrammenanlage

Publications (2)

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

Family

ID=7768931

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96928327A Expired - Lifetime EP0841995B1 (de) 1995-07-31 1996-07-19 Hochgeschwindigkeits-dünnbrammenanlage

Country Status (14)

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

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (de) * 1999-06-08 2003-01-15 SMS Demag AG Verfahren zum Herstellen von Metallband
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
US7238831B2 (en) * 2001-01-23 2007-07-03 Southwest Research Institute Mesogens
DE10109223C1 (de) * 2001-02-26 2002-08-01 Siemens Ag Verfahren zum Betreiben einer Gießwalzanlage
DE10138794A1 (de) * 2001-08-07 2003-02-27 Sms Demag Ag Verfahren und Anlage zur Produktion von Flach- und Langprodukten
DE10137944A1 (de) * 2001-08-07 2003-02-20 Sms Demag Ag Warmwalzanlage
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 (de) * 2010-10-12 2012-04-18 Siemens VAI Metals Technologies GmbH Verfahren und Anlage zur energieeffizienten Erzeugung von Stahlwarmband
EP2441539A1 (de) 2010-10-12 2012-04-18 Siemens VAI Metals Technologies GmbH Energie- und ausbringungsoptimiertes Verfahren und Anlage zur Erzeugung von Stahlwarmband
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

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JPS58116905A (ja) * 1981-12-29 1983-07-12 Nippon Steel Corp 鋼材の直接圧延製造装置
JPS59189001A (ja) * 1983-04-08 1984-10-26 Sumitomo Electric Ind Ltd 鋼の熱片直送圧延方法
DE3818077A1 (de) * 1988-05-25 1989-11-30 Mannesmann Ag Verfahren zum kontinuierlichen giesswalzen
IT1244295B (it) * 1990-07-09 1994-07-08 Giovanni Arvedi Processo ed impianto per l'ottenimento di nastri di acciaio avvolti, aventi caratteristiche di laminati a freddo ottenuti direttamente in linea di laminazione a caldo
ES2112440T3 (es) * 1993-05-17 1998-04-01 Danieli Off Mecc Linea para producir banda y/o plancha.
JPH0780508A (ja) * 1993-09-10 1995-03-28 Hitachi Ltd 鋳造熱間圧延連続設備
JP3156462B2 (ja) * 1993-09-14 2001-04-16 株式会社日立製作所 熱間圧延設備
JP3063518B2 (ja) * 1993-12-27 2000-07-12 株式会社日立製作所 連続鋳造装置及び連続鋳造システム

Also Published As

Publication number Publication date
CN1192170A (zh) 1998-09-02
DE59604788D1 (de) 2000-04-27
CA2228280A1 (en) 1997-02-20
EP0841995A1 (de) 1998-05-20
KR19990036020A (ko) 1999-05-25
RU2166387C2 (ru) 2001-05-10
JPH11510099A (ja) 1999-09-07
KR100266827B1 (ko) 2000-09-15
ZA966395B (en) 1997-02-19
TR199800123T1 (xx) 1998-05-21
DE19680651D2 (de) 1998-10-01
BR9609962A (pt) 1999-02-02
CN1075964C (zh) 2001-12-12
DE19529049C1 (de) 1997-03-20
WO1997005971A1 (de) 1997-02-20
ATE190876T1 (de) 2000-04-15
AU696074B2 (en) 1998-09-03
US5991991A (en) 1999-11-30
AU6784796A (en) 1997-03-05

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