WO1999058263A1 - Procede et systeme pour produire un feuillard d'acier - Google Patents

Procede et systeme pour produire un feuillard d'acier Download PDF

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Publication number
WO1999058263A1
WO1999058263A1 PCT/EP1999/003058 EP9903058W WO9958263A1 WO 1999058263 A1 WO1999058263 A1 WO 1999058263A1 EP 9903058 W EP9903058 W EP 9903058W WO 9958263 A1 WO9958263 A1 WO 9958263A1
Authority
WO
WIPO (PCT)
Prior art keywords
strip
hot
hot rolling
casting
steel strip
Prior art date
Application number
PCT/EP1999/003058
Other languages
German (de)
English (en)
Inventor
Ernst-Reinhard Oberhaus
Original Assignee
Abb Patent Gmbh
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 Abb Patent Gmbh filed Critical Abb Patent Gmbh
Priority to AU38273/99A priority Critical patent/AU3827399A/en
Publication of WO1999058263A1 publication Critical patent/WO1999058263A1/fr

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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
    • B21B1/463—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
    • 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
    • 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
    • B21B15/0085—Joining ends of material to continuous strip, bar or sheet
    • 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
    • B21B2001/228—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 skin pass rolling or temper 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
    • B21B1/38—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 sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B21B2001/383—Cladded or coated products
    • 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
    • B21B2015/0021—Cutting or shearing the product in the rolling direction
    • 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
    • B21B2015/0071—Levelling the rolled product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2201/00—Special rolling modes
    • B21B2201/04—Ferritic 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
    • B21B45/004—Heating the 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
    • B21B45/04—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 de-scaling, e.g. by brushing
    • B21B45/06—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 de-scaling, e.g. by brushing of strip material

Definitions

  • the invention relates to an arrangement and to a method for producing steel strip according to the preambles of claims 1 and 8.
  • DE 195 05 324 C2 discloses a process for producing cold-rolled steel strips in a continuous strip treatment line and consequently without intermediate storage of coils within this strip treatment line, after which hot strip is processed in one pass to the desired cold-rolled end product.
  • This known method integrates cold forming in the strip treatment line and ensures the production of steel strips, in particular stainless steel strips, with the properties required in terms of flatness, cleanliness, surface roughness and gloss in a continuous strip treatment process, but using hot strip as the starting material, which is in a separate process was produced and temporarily stored in coils.
  • the invention has for its object to provide an arrangement and a method for producing steel strip of the type mentioned, in which or in which the conventional production method strip casting or thin slab casting with hot rolling - cold rolling - finishing in terms of economy and material throughput optimized and steel strip from desired, possibly different quality can be produced.
  • the advantages that can be achieved with the invention are, in particular, that the production of the hot strip and the subsequent strip treatment process are combined in the sense of overall integration into a single process in a single installation. All known processes and plants with the aim of improving the production process for steel strip assume a separation of the process sequence and the plant after the production of the hot strip - be it by strip casting or thin slab casting with hot rolling.
  • the overall integration proposed according to the invention has cost advantages because, for example, the reeling group of a conventional hot strip system, the material supply to a conventional strip treatment system with a decoiling group and the necessary transport of the coils from one system to the other are saved. A continuous overall process is realized, which only has to be interrupted at relatively large time intervals for maintenance purposes and for the replacement of wearing parts.
  • Another advantage of the overall integration is the strip guidance in the outlet of a conventional hot strip mill and when threading into a conventional strip treatment line.
  • the overall integration eliminates the critical phases during threading and unthreading the steel strip of the individual coils.
  • a comparable critical phase occurs with the overall integration only when the entire system is started up.
  • the start-up can also be carried out at a reduced speed, the casting speed of the strip casting machine being correspondingly continuously changed.
  • the hot rolling of steel strips in the very small thickness range of 1 mm is advantageously achievable, since the problematic strip guidance of such a thin strip is decisively simplified as a result of the integration of the subsequent strip treatment processes.
  • the temperature control during and after hot rolling play a decisive role for the material properties create the steel belt.
  • the method according to the invention is also advantageous in this point, since the desired temperature control in this regard can optionally be implemented by heating and / or cooling.
  • FIG. 1 shows a first embodiment of a system for producing steel strip
  • Fig. 3 shows a third embodiment of a plant for producing steel strip.
  • a belt casting machine 1 a produces casting belt of the desired thickness (for example in the range from 1 to 8 mm), which is fed to a belt store 3 via a roller table with a cooling section 2.
  • the capacity of the strip store 3 is dimensioned such that, with unchanged casting speed, at least that amount of hot strip B can be stored which, during the welding together (see welding machine 6) of the end of an “old” hot strip positioned in the welding machine at the end of production, with the beginning of a “ new "hot strip produced at the start of production is produced by the strip casting machine.
  • the hot strip B can be scooped after the strip storage 3 with the aid of scissors 4 or divided if necessary.
  • a reel 5 arranged after the scissors 4 enables the hot strip to be wound up if necessary, which should not go through the process sequence provided for by the scissors 4. Furthermore, the reel 5 serves the purpose of picking up the hot strip produced from the upstream system section in the event of a fault in the system section downstream of the scissors 4.
  • the hot strip after the scissors 4 passes through a welding machine 6, in which, if necessary, a “new” hot strip after scooping with the “al can be welded together.
  • the welding machine 6 is followed by strip treatment devices 7 which straighten and / or clean and / or pickle and / or anneal and / or reduce by cold forming and / or coating and / or skin-dressing and / or trimming the hot strip B.
  • a reel 8 arranged at the end of the system winds up the finished steel strip.
  • FIG. 2 shows a second embodiment of a system for producing steel strip, in which the overall integration of hot strip production - strip treatment takes place directly without a strip store and welding machine.
  • This embodiment is suitable for system speeds above 100 m / min.
  • a thin slab caster 1b produces casting tape of the desired thickness, which is fed through a compensating furnace 9 to a hot-forming device, i. H.
  • Hot rolling stands 10 arrives, in which the hot strip is reduced according to the requirements (for example to hot strip thicknesses below 1 mm).
  • the material properties are influenced in the desired sense, for example by rolling in the ferrite area in such a way that the subsequent processes, such as cold forming, can be carried out with reduced effort.
  • the hot strip B After rolling, the hot strip B arrives in a device 11 for temperature control by heating and / or cooling during a predetermined temperature / time cycle for targeted temperature control and thus for setting desired material properties. At the optimum strip temperature, the steel strip then runs through a straightening unit 13 into a pickling device 14.
  • strip treatment devices 15 Downstream of the pickling device 14 are strip treatment devices 15 which carry out a reduction (cold forming) and / or skin passaging and trimming.
  • a pair of scissors 16 follows. Reels 17, 18 arranged at the end of the system alternately wind up the finished steel strip.
  • FIG. 3 shows a third embodiment of a system for producing steel strip.
  • This system essentially represents a combination of the above-described embodiments according to FIGS. 1 and 2.
  • the third embodiment corresponds to the first embodiment described above, according to which, after the strip store 3, scissors 4, if necessary, reel 5, welding machine 6 and strip treatment devices 7 follow, which straighten and / or clean and / or pickle and / or anneal and / or reduce by cold working and / or coating and / or skin-dressing and / or trimming the steel strip.
  • a pair of scissors 16 follows. Reels 17, 18 arranged at the end of the system alternately wind up the finished steel strip.
  • the belt store 3 is particularly advantageous when the downstream belt treatment device 7 does not allow threading under operating conditions (for example in the case of large vertical furnaces).
  • the start-up - depending on the level of the optimal process speed - must be carried out at a reduced speed to ensure that the threading process of the slab casting machine 1 b - hot rolling mill stands 10 - strip storage 3 - welding machine 6 runs smoothly.
  • This initially means a reduced casting speed, which is then increased after welding the "old" and "new" strip together with the entire system to the desired working speed during continuous operation.
  • the welding machine can be arranged with upstream scissors in front of the hot rolling stands 10 in order to enable the strips to be welded together at the start of production.

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

Abstract

L'invention concerne un système permettant de produire un feuillard d'acier à l'aide d'une machine de coulage de bande (1a) ou d'une installation de coulage de brames minces (1b) en liaison avec des cages de laminoir à chaud (10). Des dispositif de traitement de bande (7, 13, 14, 15) sont montés en aval de la machine de coulage de bande (1a) ou de l'installation de coulage de brames minces (1b) en liaison avec des cages de laminoir à chaud (10). Ces dispositifs permettent d'effectuer un dressage par étirage et/ou un nettoyage et/ou un mordançage et/ou un recuit et/ou une réduction par déformation à froid et/ou revêtement et/ou dressage et/ou rognage. L'invention concerne en outre un procédé permettant de produire un feuillard d'acier par coulage de bande ou coulage de brames minces en liaison avec un laminage à chaud. Selon ce procédé, le procédé de production utilisé pour produire un feuillard laminé à chaud est lié à des procédés de traitement de feuillard tels que notamment le dressage par étirage et/ou le nettoyage et/ou le mordançage et/ou le recuit et/ou la réduction par déformation à froid et/ou revêtement et/ou dressage et/ou rognage, pour former un procédé global continu.
PCT/EP1999/003058 1998-05-13 1999-05-05 Procede et systeme pour produire un feuillard d'acier WO1999058263A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU38273/99A AU3827399A (en) 1998-05-13 1999-05-05 System and method for producing steel strip

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19821301.8 1998-05-13
DE1998121301 DE19821301A1 (de) 1998-05-13 1998-05-13 Anordnung und Verfahren zum Erzeugen von Stahlband

Publications (1)

Publication Number Publication Date
WO1999058263A1 true WO1999058263A1 (fr) 1999-11-18

Family

ID=7867551

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/003058 WO1999058263A1 (fr) 1998-05-13 1999-05-05 Procede et systeme pour produire un feuillard d'acier

Country Status (3)

Country Link
AU (1) AU3827399A (fr)
DE (1) DE19821301A1 (fr)
WO (1) WO1999058263A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109848209A (zh) * 2018-12-29 2019-06-07 日照宝华新材料有限公司 一种薄规格带钢热轧生产系统及生产方法
CN114959249A (zh) * 2022-04-14 2022-08-30 马钢(合肥)钢铁有限责任公司 一种冷轧工艺中的钢卷生产时间计算方法及系统
DE102021203262A1 (de) 2021-03-31 2022-10-06 Sms Group Gmbh Anlage und Verfahren zur Herstellung eines metallischen Bands

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7319965B1 (en) 1998-06-17 2008-01-15 The Hoffman Group Method and apparatus to control the operating speed of a manufacturing facility
US6157916A (en) * 1998-06-17 2000-12-05 The Hoffman Group Method and apparatus to control the operating speed of a papermaking facility
DE10112716A1 (de) * 2001-03-16 2002-09-19 Sms Demag Ag Verfahren und Anlage zum Herstellen von metallischem Warmband aus gegossenem Dünnband
DE102019203622A1 (de) * 2018-09-04 2020-03-05 Sms Group Gmbh Verfahren und Anlage zur Herstellung eines metallischen Bandes

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JPS5816723A (ja) * 1981-07-23 1983-01-31 Kawasaki Steel Corp 鋼帯のスケ−ル除去方法
JPS5997705A (ja) * 1982-11-26 1984-06-05 Hitachi Ltd 連続式圧延法
JPS59209405A (ja) * 1983-05-12 1984-11-28 Kawasaki Steel Corp 連続熱間圧延ライン
JPS60216904A (ja) * 1984-04-13 1985-10-30 Mitsubishi Heavy Ind Ltd 連続鋳造による金属薄板の圧延方法
DE3517090A1 (de) * 1985-05-11 1986-11-13 SMS Schloemann-Siemag AG, 4000 Düsseldorf Verfahren zum walzen von vorband zu warmbreitband
JPH02155503A (ja) * 1988-12-08 1990-06-14 Hitachi Ltd 連続圧延設備
JPH04200801A (ja) * 1990-11-30 1992-07-21 Nippon Steel Corp 高δ―Ｆｅ系オーステナイトステンレス鋼帯の製造方法
EP0776984A1 (fr) * 1995-05-08 1997-06-04 Nippon Steel Corporation Equipement et procede pour fabriquer en continu des bobines de bandes metalliques

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Publication number Priority date Publication date Assignee Title
JPS5816723A (ja) * 1981-07-23 1983-01-31 Kawasaki Steel Corp 鋼帯のスケ−ル除去方法
JPS5997705A (ja) * 1982-11-26 1984-06-05 Hitachi Ltd 連続式圧延法
JPS59209405A (ja) * 1983-05-12 1984-11-28 Kawasaki Steel Corp 連続熱間圧延ライン
JPS60216904A (ja) * 1984-04-13 1985-10-30 Mitsubishi Heavy Ind Ltd 連続鋳造による金属薄板の圧延方法
DE3517090A1 (de) * 1985-05-11 1986-11-13 SMS Schloemann-Siemag AG, 4000 Düsseldorf Verfahren zum walzen von vorband zu warmbreitband
JPH02155503A (ja) * 1988-12-08 1990-06-14 Hitachi Ltd 連続圧延設備
JPH04200801A (ja) * 1990-11-30 1992-07-21 Nippon Steel Corp 高δ―Ｆｅ系オーステナイトステンレス鋼帯の製造方法
EP0776984A1 (fr) * 1995-05-08 1997-06-04 Nippon Steel Corporation Equipement et procede pour fabriquer en continu des bobines de bandes metalliques

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109848209A (zh) * 2018-12-29 2019-06-07 日照宝华新材料有限公司 一种薄规格带钢热轧生产系统及生产方法
CN109848209B (zh) * 2018-12-29 2021-04-13 日照宝华新材料有限公司 一种薄规格带钢热轧生产系统及生产方法
DE102021203262A1 (de) 2021-03-31 2022-10-06 Sms Group Gmbh Anlage und Verfahren zur Herstellung eines metallischen Bands
CN114959249A (zh) * 2022-04-14 2022-08-30 马钢(合肥)钢铁有限责任公司 一种冷轧工艺中的钢卷生产时间计算方法及系统
CN114959249B (zh) * 2022-04-14 2023-08-29 马钢(合肥)钢铁有限责任公司 一种冷轧工艺中的钢卷生产时间计算方法及系统

Also Published As

Publication number Publication date
AU3827399A (en) 1999-11-29
DE19821301A1 (de) 1999-11-18

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