EP1641573B1 - Dispositif pour la production de feuillard d'acier lamine a chaud, en particulier a partir d'ebauche en bande coulee en continu - Google Patents

Dispositif pour la production de feuillard d'acier lamine a chaud, en particulier a partir d'ebauche en bande coulee en continu Download PDF

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Publication number
EP1641573B1
EP1641573B1 EP04739967A EP04739967A EP1641573B1 EP 1641573 B1 EP1641573 B1 EP 1641573B1 EP 04739967 A EP04739967 A EP 04739967A EP 04739967 A EP04739967 A EP 04739967A EP 1641573 B1 EP1641573 B1 EP 1641573B1
Authority
EP
European Patent Office
Prior art keywords
furnace
casting
line
rolling
strip
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.)
Revoked
Application number
EP04739967A
Other languages
German (de)
English (en)
Other versions
EP1641573A2 (fr
Inventor
Christoph Klein
Jürgen Müller
Karl Rittner
Dieter Rosenthal
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 Group GmbH
Original Assignee
SMS Demag 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33521332&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1641573(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1641573A2 publication Critical patent/EP1641573A2/fr
Application granted granted Critical
Publication of EP1641573B1 publication Critical patent/EP1641573B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • 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
    • 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
    • B21B2001/225—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 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 device for producing hot-rolled steel strip according to the CSP plant concept, comprising at least one continuous casting machine, at least one pair of shears, at least one equalizing furnace, a descaling machine, possibly a roughing train, a finishing train (multi-stand rolling mill or Steckel rolling mill (e)). , a roller table with cooling zone and at least one wind-up reel for the hot strip.
  • the casting machine, the shears, the reheating furnace, / -Eas Pandasofen, the multi-stand rolling mill, the outlet roller table with cooling zone and take-up reel are arranged in line.
  • the casting machines and the reheating furnaces are parallel next to each other.
  • transport ferries the slabs are spent in the rolling line.
  • Such an investment concept requires plant lengths between 300 m and 500 m.
  • a method and an apparatus for producing hot rolled steel strip of continuously cast starting material preferably thin slabs is known, wherein the cast in the casting machine precursor material is divided after solidification in lengths by means of scissors, which correspond to the desired coil weight.
  • the thin slabs are in one Equalizer homogenized, then pre-rolled in a roughing mill, finish-rolled in a finishing train and cooled in a cooling zone and wound on a reel.
  • the thin slabs are heated to temperatures above 1150 ° C after homogenisation and before the first roughing pass. Then, a rough rolling of the thin slab with subsequent recrystallization and cooling of the pre-rolled strip is carried out to rolling temperature for the finishing train and the subsequent finish rolling.
  • the plant for the production of hot strip shows, among other things, two parallel arranged continuous casting machines with two shears and with two equalizing ovens.
  • the equalization furnaces is followed by a transport ferry for the thin slabs, which has a ferry.
  • the transport ferry By means of the Fährwagens the thin slabs can be transported alternately from the equalizing ovens in the other rolling line.
  • a store for the cast thin slabs is provided behind the transport ferry, which may be heated or unheated and which is arranged in line with the rolling train.
  • the document DE 40 41 206 A1 describes a method and a plant for the production of hot-rolled steel strip, in particular for stainless steels of continuously cast starting material.
  • the starting material cast in the casting machine is subdivided into thin slabs, which are homogenized in a compensation furnace and heated to rolling temperature, then introduced into a rolling mill and finish rolled to predetermined final dimensions in a series of rolling passes.
  • a thin slab is transferred to a ferry and offset with this from its starting position in the line with the continuous casting laterally in a line parallel to a rolling line, wherein at the same time or before a ferry corresponding portion of a roller table from the line of the rolling train also transversely is driven out.
  • the thin slab is accelerated from the ferry to rolling speed, introduced into the rolling train and in the flow through this to a coiled pre-rolled coil and this introduced immediately after the exit from the last frame in a Steckel furnace and wound up to avoid loss of temperature.
  • the section of the roller table and at the same time or before the ferry are returned to their original positions, the rolling mill is switched to reversing and the tape is finished finishing under unwinding of the reel of the Steckel furnace in reversing operation under unwinding of the reel of the Steckel furnace in reversing and from the then then last frame moved out over the roller table and wound up in a terminal coiler station to the coil.
  • the document WO 92/00815 relates to a plant for the production of hot strip, which has been rolled from previously cast thin slabs.
  • the plant consists of a casting machine with pan and tundish for the molten steel and a mold into which the cast steel flows from the tundish and the thin slab at the bottom of the mold escapes.
  • Behind the caster is a roughing mill and behind the roughing mill a scissor device in which the cast strip is deflected to slab length.
  • an induction furnace is arranged as a temperature compensation and reheating furnace, and behind the induction furnace, a coiler oven for the reduced in volume Vorband.
  • Behind the coiler oven is a multi-stand rolling mill, a roller table with cooling zone, a finishing mill and a reel for the finished rolled hot strip.
  • the document DE 32 41 745 A1 discloses an apparatus for producing hot-rolled steel strip comprising: casting machine, shears, take-up device, furnace, unwinding device, coiler furnace, rolling stand, coiler furnace and underfloor reel.
  • the system components arranged in line are arranged parallel to one another and connected to one another via the rotary hearth furnace.
  • This document discloses that the casting and rolling direction are arranged in opposite directions, so that the system is to be accommodated in the smallest space. Prerequisite is that a take-up and unwinding are part of the system.
  • the document EP 0 045 400 A1 discloses a plant for casting and rolling of metals for the production of rod and wire profiles consisting of: casting machine, secondary cooling line, Temperaturausretessize, a drive unit, shears, a transversely displaceable roughing, a first intermediate road, a curved 180 ° deflection device, a second intermediate road, a Prefabricated line, a primary cooling section, a winding layer, a secondary cooling section and a collection station.
  • This document describes that the casting and rolling direction are arranged in opposite directions. However, in each case only poured over a casting machine. The roughing road is assigned to the respective casting machine by transverse shifting. Before the reheating furnace, which connects the casting and rolling line, rolling means are arranged. The connection of casting and rolling line is effected by an arcuate deflection of the rolled product.
  • the document GB 2 302 054 A discloses a plant for casting and rolling a thin slab z.
  • B. a thickness of 80 mm consisting of: casting machine, scissors, roller hearth furnace, heated turntable, roughing, roller hearth furnace, scissors, descaler, rolling mill and reel.
  • This document describes an arrangement of the casting and rolling device at an angle of 90 °. Casting and rolling line are not aligned in opposite directions.
  • the invention proposes to arrange the casting line and the rolling line parallel or approximately parallel to each other in such a way that the casting direction and rolling direction are aligned substantially opposite to each other and are connected by a warm-up, wherein the warm-up furnace, a Hubherdofen or a walking beam oven.
  • the warm-up furnace a Hubherdofen or a walking beam oven.
  • the distance between the casting line and the rolling line is designed so that a sufficient dwell and buffer time is ensured in the heating oven.
  • the preheating furnace is designed according to a further proposal so that at least three slabs and a maximum of twelve slabs can be accommodated in the equalization furnace.
  • the casting line consists of one or more casting machines or of a plurality of casting strands which expediently lie at a height in terms of location.
  • At least one continuous furnace is arranged between the casting machine and the heating oven. Furthermore, it is considered expedient that at least one continuous furnace is arranged between the rolling mill and the reheating furnace.
  • FIG. 1 shows the compact plant according to the invention, in the casting line GL and rolling line WL are arranged parallel to each other and casting direction and rolling direction are in opposite directions.
  • the connection between the casting line and the rolling line is provided by a warming-up furnace AO which, in the sense of a ferry, brings the slabs from the casting line into the rolling line and at the same time raises the temperature of the slabs to the required piercing temperature for rolling mill WL.
  • the reheating furnace AO at least three and a maximum of 12 slabs are recorded.
  • the distance between the casting line with the GM casting machine and the rolling line with the rolling mill WM is in each case designed so that a sufficient dwell and buffer time is ensured in the reheating furnace.
  • the molding line GL is known to consist of several aggregates or machines and usually comprises a ladle and a tundish for receiving the molten metal to be cast and from a mold into which the molten metal from the tundish is introduced by means of a pouring tube and in the mold is poured into a thin slab, which is then cooled in a curved scaffold and cut to the so-called bundle weight by means of a scissors device.
  • a ladle and a tundish for receiving the molten metal to be cast and from a mold into which the molten metal from the tundish is introduced by means of a pouring tube and in the mold is poured into a thin slab, which is then cooled in a curved scaffold and cut to the so-called bundle weight by means of a scissors device.
  • a horrin-up furnace For the warm-up furnace a réellenhubherdofen or a walking beam furnace is used.
  • the rolling line WL is known to consist of a descaler, possibly a roughing stand, a multi-stand rolling mill, optionally at least one Steckel mill, a behind arranged roller table with cooling device for the rolled hot strip and at least one subsequent coiling device for coiling the finished rolled strip on the so-called coil weight. These system components are also not shown.
  • FIG. 2 and Figure 2a show the compact system according to the invention with casting line GL and rolling line WL, wherein the casting direction of the casting machine GM and the rolling direction in the rolling mill WW run in opposite directions.
  • a tunnel kiln TO is additionally arranged as a continuous furnace.
  • FIG. 2a shows that in addition to the compact system according to FIG. 2 behind the warm-up furnace and before the rolling mill also a tunnel furnace is arranged as a continuous furnace.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Basic Packing Technique (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Continuous Casting (AREA)

Claims (7)

  1. Dispositif de fabrication d'un feuillard d'acier laminé à chaud selon le concept CSP (surfaces et protections structures), comprenant au moins une machine de coulée continue, au moins une cisaille, au moins un four d'équilibrage, un décalamineur, le cas échéant un train dégrossisseur, un train finisseur qui peut être réalisé sous la forme d'un laminoir (WW) à plusieurs cages ou laminoir Steckel, un train de rouleaux avec zone de refroidissement et au moins une enrouleuse pour le feuillard laminé à chaud,
    la ligne de coulée (GG) et la ligne de laminage (WL) étant disposées à la parallèle ou approximativement à la parallèle, le sens de coulée et le sens de laminage étant orientés sensiblement à contresens, la ligne de coulée (GG) et la ligne de laminage (WL) étant reliées entre elles par un four de réchauffage (AO) et le four de réchauffage (AO) étant un four à longerons mobiles.
  2. Dispositif selon la revendication 1,
    caractérisé en ce que l'écart entre la ligne de coulée (GL) et la ligne de laminage (WL) est dimensionné de sorte à assurer un temps de séjour et de stockage intermédiaire suffisant pour les brammes minces dans le four de réchauffage (AO).
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce que le four de réchauffage (AO) est dimensionné pour réceptionner au moins trois brammes et un maximum de douze brammes.
  4. Dispositif selon la revendication 1, 2 ou 3,
    caractérisé en ce que la ligne de coulée (GL) consiste dans une ou dans plusieurs machines(s) de coulée (GM) ou dans plusieurs barres de coulée.
  5. Dispositif selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce que les niveaux de coulée et de laminage se situent de préférence sur une hauteur.
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que,
    entre la machine de coulée (GM) et le four de réchauffage (10) est disposé au moins un four à passage continu.
  7. Dispositif selon l'une quelconque des revendications 1 à 6,
    caractérisé en ce que
    entre le laminoir (WW) et le four de réchauffage (AO) est disposé au moins un four à passage continu (TO).
EP04739967A 2003-07-03 2004-06-17 Dispositif pour la production de feuillard d'acier lamine a chaud, en particulier a partir d'ebauche en bande coulee en continu Revoked EP1641573B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10330210A DE10330210A1 (de) 2003-07-03 2003-07-03 Vorrichtung zur Herstellung von warmgewalztem Warmband, insbesondere aus bandförmig stranggegossenem Vormaterial
PCT/EP2004/006505 WO2005002749A2 (fr) 2003-07-03 2004-06-17 Dispositif pour la production de feuillard d'acier lamine a chaud, en particulier a partir d'ebauche en bande coulee en continu

Publications (2)

Publication Number Publication Date
EP1641573A2 EP1641573A2 (fr) 2006-04-05
EP1641573B1 true EP1641573B1 (fr) 2008-10-22

Family

ID=33521332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04739967A Revoked EP1641573B1 (fr) 2003-07-03 2004-06-17 Dispositif pour la production de feuillard d'acier lamine a chaud, en particulier a partir d'ebauche en bande coulee en continu

Country Status (17)

Country Link
US (2) US20070200281A1 (fr)
EP (1) EP1641573B1 (fr)
JP (1) JP2007506554A (fr)
KR (1) KR20060030100A (fr)
CN (1) CN101001706A (fr)
AT (1) ATE411854T1 (fr)
CA (1) CA2531151A1 (fr)
DE (2) DE10330210A1 (fr)
EG (1) EG23997A (fr)
ES (1) ES2313021T3 (fr)
MX (1) MXPA06000152A (fr)
MY (1) MY141107A (fr)
RU (1) RU2368438C2 (fr)
TW (1) TW200512050A (fr)
UA (1) UA88616C2 (fr)
WO (1) WO2005002749A2 (fr)
ZA (1) ZA200510206B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2533290C2 (ru) * 2013-02-25 2014-11-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" (национальный исследовательский университет) (ФГБОУ ВПО "ЮУрГУ" (НИУ)) Способ изготовления горячекатаных полос и литейно-прокатный комплекс для его реализации
CN104131708A (zh) * 2014-07-06 2014-11-05 曾润洪 桥梁、涵洞、通道用钢筋砼的钢筋构件的制造及配送
CN104307871B (zh) * 2014-10-20 2016-06-08 中色科技股份有限公司 一种数台铸锭加热炉同时平行于热轧方向的工艺生产方法
DE102015110361B4 (de) * 2015-06-26 2019-12-24 Thyssenkrupp Ag Verfahren zum Herstellen eines Werkstoffverbundes in einer Walzanlage und Verwendung der Walzanlage
CN105666147B (zh) * 2016-03-30 2018-10-30 潍坊东方钢管有限公司 环氧锌基聚酯复合涂层的公路钢护栏生产线及生产工艺
CN106121246A (zh) * 2016-06-28 2016-11-16 安徽海龙建筑工业有限公司 钢筋绑扎流水工艺
IT201800010870A1 (it) * 2018-12-06 2020-06-06 Danieli Off Mecc Apparato e metodo di produzione di nastri

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DE3029222A1 (de) * 1980-08-01 1982-03-04 Fried. Krupp Gmbh, 4300 Essen Verfahren und anlage zum giesswalzen von metallen, insbesondere von stahl, mit hohen geschwindigkeiten
JPS57146403A (en) * 1981-03-07 1982-09-09 Kawasaki Steel Corp Hot rolling line for slab by plural continuous casting installations of different kinds
DE3241745C2 (de) * 1982-11-11 1985-08-08 Mannesmann AG, 4000 Düsseldorf Verfahren zum Herstellen von warmgewalztem Stahlband aus stranggegossenem Vormaterial in unmittelbar aufeinanderfolgenden Arbeitsschritten
DE3310867A1 (de) 1983-03-25 1984-10-04 Mannesmann AG, 4000 Düsseldorf Giesswalzanlage zum walzen von stranggiessmaterial
DE3708050A1 (de) 1987-03-12 1988-09-22 Voest Alpine Ag Stranggiessanlage mit nachgeordnetem walzwerk
DE4041206C2 (de) * 1990-12-21 2003-04-17 Sms Demag Ag Verfahren und Anlage zur Herstellung von warmgewalztem Stahlband, insbesondere für Edelstähle aus stranggegossenem Vormaterial
DE4236307A1 (de) 1992-10-28 1994-05-05 Schloemann Siemag Ag Verfahren und Anlage zur Herstellung von warmgewalztem Stahlband, insbesondere aus bandförmig stranggegossenem Vormaterial
US5430930A (en) 1993-10-12 1995-07-11 Italimpianti Of America, Inc. Method of manufacturing hot strip
GB2302054B (en) * 1995-06-01 1998-10-21 Ralph Gladwin Haynes Production of metal strip
JP3855300B2 (ja) * 1996-04-19 2006-12-06 住友金属工業株式会社 継目無鋼管の製造方法および製造設備
JPH1133601A (ja) * 1997-07-16 1999-02-09 Ishikawajima Harima Heavy Ind Co Ltd 圧延設備

Also Published As

Publication number Publication date
UA88616C2 (ru) 2009-11-10
ES2313021T3 (es) 2009-03-01
CA2531151A1 (fr) 2005-01-13
KR20060030100A (ko) 2006-04-07
MY141107A (en) 2010-03-15
MXPA06000152A (es) 2006-04-07
ATE411854T1 (de) 2008-11-15
DE502004008324D1 (de) 2008-12-04
US20120144638A1 (en) 2012-06-14
TW200512050A (en) 2005-04-01
ZA200510206B (en) 2006-08-30
DE10330210A1 (de) 2005-01-20
WO2005002749A2 (fr) 2005-01-13
CN101001706A (zh) 2007-07-18
JP2007506554A (ja) 2007-03-22
RU2006103072A (ru) 2006-06-27
US20070200281A1 (en) 2007-08-30
EG23997A (en) 2008-03-16
EP1641573A2 (fr) 2006-04-05
RU2368438C2 (ru) 2009-09-27
WO2005002749A3 (fr) 2005-03-31

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