EP1107834A1 - Procede et installation de production de larges feuillards a chaud, notamment de brames minces - Google Patents

Procede et installation de production de larges feuillards a chaud, notamment de brames minces

Info

Publication number
EP1107834A1
EP1107834A1 EP99942900A EP99942900A EP1107834A1 EP 1107834 A1 EP1107834 A1 EP 1107834A1 EP 99942900 A EP99942900 A EP 99942900A EP 99942900 A EP99942900 A EP 99942900A EP 1107834 A1 EP1107834 A1 EP 1107834A1
Authority
EP
European Patent Office
Prior art keywords
furnace
casting
furnaces
compensating
casting machine
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.)
Withdrawn
Application number
EP99942900A
Other languages
German (de)
English (en)
Inventor
Adolf Zajber
Karl Rittner
Joachim Hafer
Wolfgang Hennig
Werner Mertens
Friedhelm Kalteich
Max Münker
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
Publication of EP1107834A1 publication Critical patent/EP1107834A1/fr
Withdrawn legal-status Critical Current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
    • 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

Definitions

  • the invention relates to a method for producing hot wide strip, in particular from continuously cast thin slabs, in successive working steps of a rolling line having a continuous finishing train, casting strands being produced in a casting machine or casting line, possibly separated into individual thin slabs and homogenized in each case in a compensating furnace and brought to temperature and transferred from the compensating furnace, possibly with the interposition of a storage furnace and, in some cases, an extended holding furnace, to the production line with at least one working scaffold.
  • the invention also relates to a plant for carrying out the method according to the invention.
  • continuously cast thin slabs are used as starting material for the finishing train consisting of several stands, which for example have a thickness of less than 100 to 70 mm, preferably of about 50 mm.
  • the thin slabs are regularly cut from an endless cast strand produced in a continuous casting machine, with a length that corresponds to the required coil weight for the finished hot wide strip.
  • the casting speed of continuous casting machines for thin slab continuous casting is relatively low, while the drawing-in speed of an associated continuously working hot strip mill with several stands is about a factor of 2 to 4 higher. It is therefore advantageous to assign two casting machines to a continuous finishing train in such a way that thin slabs are alternately separated from each of the two endless casting strands and then each fed to the finishing train for rolling.
  • DE 4234455 A1 discloses a method for rolling out hot wide strip from continuously cast thin slabs in successive steps of a rolling line having a continuous finishing train.
  • the thin slabs are produced in two casting machines or two casting lines by separating them from the cast strand.
  • the thin slabs are each homogenized in a compensation furnace and brought to temperature and introduced into a storage buffer of the compensation furnace and transferred from there to the rolling line.
  • a thin slab is swiveled out of the casting line or moved laterally using a movable furnace part and, after a first reversal of direction, is conveyed in the opposite direction to the casting strand and introduced into a storage furnace within the rolling line.
  • the thin slab is conveyed from this storage furnace after a second reversal of direction into a holding furnace downstream of the storage furnace in the direction against the rolling line and introduced from the holding furnace into the finishing train and rolled out in the finishing train to the end product.
  • the sophisticated logistics are designed in such a way that all system components can be operated using their maximum performance (production capacity).
  • Fig. 1 is a three-strand system with a reverse swivel ferry
  • Fig. 2 shows a casting machine with three parallel furnace systems with backward swivel ferries.
  • Fig. 3 shows a three-strand casting machine with three parallel furnace systems
  • FIG. 4 shows a casting machine with three parallel furnace systems with a forward swivel ferry
  • FIG. 1 shows a first concept variant, which is equipped as a three-strand system 1 with reverse swivel ferries 4.
  • the middle casting line From the middle casting line, the thin slab 6 is fed to the scissors 12, descaling device 8, and a 6-stand finishing mill 9. Behind the last finishing stand, the water cooling section 10 is arranged, in which the hot strip is cooled down.
  • FIG. 2 shows a second concept variant which has a single casting machine 2 '.
  • the middle furnace system is in a production line with the rolling mill 9.
  • the scissors 12 and the descaling device 8 are arranged behind the middle furnace system. This is followed by a 6-stand mill 9.
  • the finished rolled hot strip is transferred from the last stand of the rolling mill to the cooling section 10, in which the strip is cooled down to the further processing temperature.
  • Behind the water cooling section 10 is the reel assembly 11 with two reels with which the strip is wound into transportable coils.
  • the rolling mill 9 consists of a pair of scissors 7, a descaling device 8, a 6-stand rolling mill 9 with the downstream water cooling section 10 and the two coiler systems 11 with which the finished rolled strip is wound into coils becomes.
  • FIG. 4 shows the fourth concept variant with a casting machine 2 'and three furnace systems 3 "' arranged downstream of the casting machine 2 ', which are arranged in parallel.
  • a pair of scissors 7 is arranged between the casting machine 2' and the furnace systems 3" ".
  • the two outer furnace systems work by means of forward swiveling ferries 5 'on the middle furnace system, which - as said before - is in line with the production system, which consists of scissors 12, the descaling device 8, a 6-stand rolling mill 9 and the like downstream water cooling section 10, which is followed by the coiler 11, in which the finished strip is wound into coils.
  • the overall system according to the invention for the production of hot strip from cast thin slabs, it is possible to establish both logistics for the individual components of the overall system and a logistical connection between the system components so that the steelworks or the blast furnace into the production line for casting the thin slabs and in the Production line of the rolling mill is integrated in order to significantly increase the production performance of conventional thin slab plants.
  • the present invention it is possible for the first time to use the previously known electric melting furnaces and to connect a blast furnace system with the thin slab system to form a powerful unit. It is now also possible for the first time to cast and roll out other types of steel with the thin slab lines that could not be taken into account due to the use of the electric melting furnace.

Landscapes

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

Abstract

L'invention concerne un procédé et une installation permettant de produire de larges feuillards à chaud, notamment de minces brames coulées en continu dans une succession d'opérations d'une ligne de passe présentant une chaîne de production continue. Des barres coulées sont produites dans une machine à couler ou une chaîne de coulage. Elles sont éventuellement séparées en minces brames; homogénéisées respectivement dans un four d'égalisation; amenées à température et acheminées du four d'égalisation éventuellement avec stockage intermédiaire dans un four de stockage et, au cas par cas, dans un four de maintien allongé jusqu'à la chaîne de production comprenant au moins une cage de finition. L'invention est caractérisée en ce que l'aciérie ou le haut fourneau, la machine à couler, le four d'égalisation et le laminoir à chaud ainsi que d'autres composants sont logistiquement reliés les uns aux autres de telle façon que soit utilisée la capacité de production maximale des différents composants ou des composants de l'installation.
EP99942900A 1998-08-28 1999-08-21 Procede et installation de production de larges feuillards a chaud, notamment de brames minces Withdrawn EP1107834A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19839370 1998-08-28
DE1998139370 DE19839370A1 (de) 1998-08-28 1998-08-28 Verfahren und Anlage zur Herstellung von Warmbreitband aus insbesondere dünnen Brammen
PCT/EP1999/006155 WO2000012235A1 (fr) 1998-08-28 1999-08-21 Procede et installation de production de larges feuillards a chaud, notamment de brames minces

Publications (1)

Publication Number Publication Date
EP1107834A1 true EP1107834A1 (fr) 2001-06-20

Family

ID=7879138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99942900A Withdrawn EP1107834A1 (fr) 1998-08-28 1999-08-21 Procede et installation de production de larges feuillards a chaud, notamment de brames minces

Country Status (4)

Country Link
EP (1) EP1107834A1 (fr)
AU (1) AU5623799A (fr)
DE (1) DE19839370A1 (fr)
WO (1) WO2000012235A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10109223C1 (de) * 2001-02-26 2002-08-01 Siemens Ag Verfahren zum Betreiben einer Gießwalzanlage
DE102010050647A1 (de) * 2009-11-21 2011-05-26 Sms Siemag Aktiengesellschaft Anlage und Verfahren zum Gießen und Walzen von Metall
DE102009060824A1 (de) 2009-12-29 2011-06-30 SMS Siemag AG, 40237 Transportvorrichtung für Brammen
DE102010008292B4 (de) 2010-02-17 2024-03-07 Sms Group Gmbh Transportvorrichtung für Brammen
IT202100006407A1 (it) * 2021-03-17 2022-09-17 Danieli Off Mecc Procedimento ed impianto per la produzione di prodotti laminati piani

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545530A (en) * 1978-09-25 1980-03-31 Chiyoda Koutetsu Kogyo Kk Direct rolling equipment for continuous casting having moving type continuous heating furnaces
US4664701A (en) * 1986-01-15 1987-05-12 Blaw Knox Corporation Method and plant for fully continuous production of steel strip from ore
DE4041205A1 (de) * 1990-12-21 1992-06-25 Schloemann Siemag Ag Verfahren und anlage zum auswalzen von warmbreitband aus stranggegossenen duennbrammen
WO1992018270A1 (fr) * 1991-04-17 1992-10-29 Magnitogorsky Metallurgichesky Kombinat Imeni V.I.Lenina Mmk Chaine technologique de production de feuillards et dispositif de transfert
DE4234455A1 (de) * 1992-10-13 1994-04-14 Schloemann Siemag Ag Verfahren und Anlage zum Auswalzen von Warmbreitband aus stranggegossenen Dünnbrammen
AT407347B (de) * 1997-10-10 2001-02-26 Voest Alpine Ind Anlagen Anlage zum herstellen eines warmgewalzten produktes
AT407348B (de) * 1997-10-10 2001-02-26 Voest Alpine Ind Anlagen Verfahren zum herstellen eines warmgewalzten produktes und anlage zur durchführung des verfahrens

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0012235A1 *

Also Published As

Publication number Publication date
AU5623799A (en) 2000-03-21
WO2000012235A1 (fr) 2000-03-09
DE19839370A1 (de) 2000-03-09

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