EP0867239B1 - Procédé et installation pour laminer de larges bandes à chaud à partir de brames coulées en continu - Google Patents

Procédé et installation pour laminer de larges bandes à chaud à partir de brames coulées en continu Download PDF

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Publication number
EP0867239B1
EP0867239B1 EP98105061A EP98105061A EP0867239B1 EP 0867239 B1 EP0867239 B1 EP 0867239B1 EP 98105061 A EP98105061 A EP 98105061A EP 98105061 A EP98105061 A EP 98105061A EP 0867239 B1 EP0867239 B1 EP 0867239B1
Authority
EP
European Patent Office
Prior art keywords
surface processing
slab
type oven
production line
sections
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
EP98105061A
Other languages
German (de)
English (en)
Other versions
EP0867239A2 (fr
EP0867239A3 (fr
Inventor
Werner Mertens
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
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 Demag AG filed Critical SMS Demag AG
Publication of EP0867239A2 publication Critical patent/EP0867239A2/fr
Publication of EP0867239A3 publication Critical patent/EP0867239A3/fr
Application granted granted Critical
Publication of EP0867239B1 publication Critical patent/EP0867239B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/38—Arrangements of devices for charging
    • 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
    • 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 method and to a plant for Rolling out hot wide strip from continuously cast thin or medium-thick slabs from about 40 to 100 mm thick, whereby the cast slab strand is divided into sections in a continuous furnace of a temperature treatment subjected and conveyed for rolling into a rolling mill becomes.
  • EP-A2-0 327 854 describes a method and an installation for Rolling of pre-strips cast on a strip caster known a hot wide strip finishing mill, with a thermal treatment of cast and pre-cast length divided supporting strips in a roller hearth furnace, in which the Pre-strips are brought to a homogeneous rolling temperature. Immediately before entering the finishing mill the opening lengths are still descaled.
  • US-A-5 533 248 suggests defective ones Slab sections before they are heat treated in an oven out of the production line and in a side line of a surface treatment undergo after which they are deposited in a buffer zone become.
  • the object of the invention is to continue the aforementioned method to train in a suitably trained facility the processing of faulty surfaces Slab sections improved in simpler, less expensive and can be carried out in a space-saving manner.
  • the task is in a rolling process of hot wide strip made of continuously cast thin or medium-thick slabs from 40 to 100 mm thick at the beginning mentioned type with the characterizing features of claim 1 solved.
  • the surface treatment which is a grinding or may be flaming of the defective surface according to an advantageous embodiment of the invention depending on the distance between the cross-cutting device (scissors) and the Surface treatment device with from the Casting speed of different variable speed be performed.
  • this distance corresponds to one Slab section length, then the Surface processing speed equal to or greater than the casting speed.
  • Fluctuations in the casting speed for example at occurring disturbances or at the end of a sequence have an effect thus advantageously no longer by the method of the invention negatively on the process of surface processing.
  • the surface treatment device with high Transport speed up to a maximum of 90 m / min. be passed through so that only a slight temperature loss arises.
  • the slab sections After the surface treatment, the slab sections further thermally treated to the desired Temperature profile to be brought up for the subsequent Rolling is required. Because this temperature compensation in the Continuous furnace, for example a roller hearth furnace, through the Surface processing was interrupted, especially if is sanded, and now after surface treatment continues, the continuous furnace is extended opposite a continuous furnace without surface treatment, if the same Buffer capacity should be given. That means one additional extension of the continuous furnace according to the Space requirement of the surface processing device. This Space requirements can also be easily achieved with new systems will be realized.
  • Extension of the continuous furnace is not possible necessary extension of the temperature treatment according to the Invention can be carried out in the manner of a ferry a laterally movable segment of the continuous furnace, the is designed as a double ferry, with a slab section filled on the side next to the continuous furnace in an offline position remains for a certain period of time and on this Way the buffer capacity of the continuous furnace in the required amount increased while the other ferry in Inline position is arranged in the production line and forms part of the continuous furnace.
  • the continuous furnace is, for example, a Roller hearth furnace, divided into two segments, between the in Inline position for a surface treatment device Processing defective slab sections is arranged.
  • a continuous furnace designed in this way can further segments can be divided, with a segment as heated double ferry is designed, the individual ferries alternately from the production line across to an offline page position are movable to the buffer capacity of the Increase continuous furnace.
  • a Hot grinding device can be provided, the roller table assigned.
  • the Hot grinding device or associated with the flaming machine Roller table is advantageously shielded against heat loss.
  • the system for Rolling out hot broadband essentially from one Continuous caster (1) for a thin slab strand of approximately 40 up to 100 mm thick, a cross-section device (5), for example scissors, a continuous furnace (2, 3), for example a roller hearth furnace, another pair of scissors (10) and a rolling mill (6).
  • the continuous furnace (2, 3) consists of the segments (2) and (3), between the one Surface processing device (4) is arranged.
  • the front continuous furnace segment (2) is so long that the Distance of the surface processing device (4) from the Cross-section device (5) at least the length of one Slab section (7, Fig. 3) corresponds.
  • the cast one Thin slab strand (11) is deflected into the horizontal production line (x) through the cross dividing device (5) divided into slab sections (7) of the desired length and introduced into the continuous furnace (2, 3).
  • the feed speed within the Surface processing device (4) from the Casting speed may vary, depending on the length of the Distance between the cross-section device (5) and the Surface processing device (4) of at least the Length of a slab section (7) corresponds.
  • the middle segment (3b) is as a heatable double ferry with single ferries, which are each long enough to be a slab section be able to record.
  • the double ferry can be moved laterally, so that in each case a single ferry on the production line (x) in Inline position is arranged while the other ferry (3600) then in an offline position next to the production line (x), i.e. also to the side of the continuous furnace.
  • Fig. 3 there is a single ferry (3b) filled with a slab section (7 '') in this side position (Offline position 3b ''), which increases the buffer capacity around this Slab section (7 '') is enlarged.
  • the other single ferry on the production line (x) and is part of the continuous furnace. After a The ferry is heated up for a certain heating time Slab section (7 '') from the offline position (3b '') in the Move back the production line (x) and the slab section (7 '') in the continuous furnace segment (3c) conveyed to the continue thermal treatment.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Metal Rolling (AREA)
  • Belt Conveyors (AREA)
  • Heat Treatment Of Articles (AREA)

Claims (7)

  1. Procédé pour laminer une large bande à chaud à partir de brames coulées en continu minces ou moyennes d'une épaisseur de 40 à 100 mm, dans lequel le lingot à brame coulé est subdivisé en tronçons (7) dans un dispositif de division transversale (5), soumis à un traitement thermique dans un four à passage continu (2, 3) et convoyé dans un train de laminoir pour le laminage, caractérisé en ce que le traitement thermique d'un tronçon de brame défectueux (7) dans le four à passage continu (2, 3) est interrompu pour un traitement de surface dans un dispositif de traitement de surface (4), et en ce que le traitement de surface du tronçon de brame (7) est effectué dans la chaíne de production (x) entre l'installation de coulée (1) et le train de laminoir (6) à une vitesse découplée de la vitesse de coulée, c'est-à-dire de façon variable en fonction de la longueur d'un tronçon de brame (7) par rapport à la distance entre le dispositif de division transversale (5) et le dispositif de traitement de surface (4).
  2. Procédé selon la revendication 1, caractérisé en ce que le traitement de surface est une opération de meulage.
  3. Procédé selon la revendication 1, caractérisé en ce que le traitement de surface s'effectue au chalumeau.
  4. Procédé selon les revendications 1, 2 ou 3, caractérisé en ce qu'après le traitement de surface des tronçons de brame (7), on poursuit le traitement thermique des tronçons de brame (7) en partie dans une zone partielle du four à passage continu (3) latéralement à côté de la chaíne de production (x) dans un segment (3b) du four à passage continu (2, 3), segment qui est réalisé sous forme de transbordeur double susceptible d'être chauffé.
  5. Installation pour laminer une large bande à chaud à partir de brames coulées en continu minces ou moyennes d'une épaisseur de 40 à 100 mm selon le procédé des revendications précédentes avec une installation de coulée (1), un dispositif de division transversale (5), un four à passage continu (2, 3) et un train de laminoir, caractérisée en ce que le four à passage continu (2, 3) est subdivisé en les segments (2) et (3), et en ce qu'un dispositif de traitement de surface (4) comportant une ligne à rouleaux associée est agencé entre les segments (2) et (3) et réalisé sous forme de dispositif de meulage ou de dispositif à chalumeau.
  6. Installation selon la revendication 5, caractérisée en ce que lors de l'utilisation, la distance du dispositif de division transversale, par exemple une cisaille, agencé en direction de convoyage en avant du dispositif de traitement de surface (4), et le dispositif de traitement de surface (4) correspond au moins à la longueur d'un tronçon de brame (7).
  7. Installation selon l'une ou l'autre des revendications 5 et 6, caractérisée en ce que le segment (3) du four à passage continu est davantage subdivisé en segments (3a, 3b, 3c), et en ce que le segment (3b) du four à passage continu est réalisé sous la forme d'un transbordeur double susceptible d'être chauffé qui est mobile parallèlement à la chaíne de production (x) de telle sorte que l'un des deux transbordeurs susceptibles d'être chauffés se trouve dans une position latérale (3b', 3b") à côté de la chaíne de production (x) et l'autre des deux transbordeurs se trouve dans la chaíne de production (x).
EP98105061A 1997-03-24 1998-03-20 Procédé et installation pour laminer de larges bandes à chaud à partir de brames coulées en continu Expired - Lifetime EP0867239B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712212 1997-03-24
DE19712212A DE19712212A1 (de) 1997-03-24 1997-03-24 Verfahren und Anlage zum Auswalzen von Warmbreitband aus stranggegossenen Brammen

Publications (3)

Publication Number Publication Date
EP0867239A2 EP0867239A2 (fr) 1998-09-30
EP0867239A3 EP0867239A3 (fr) 1999-03-31
EP0867239B1 true EP0867239B1 (fr) 2002-11-13

Family

ID=7824388

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98105061A Expired - Lifetime EP0867239B1 (fr) 1997-03-24 1998-03-20 Procédé et installation pour laminer de larges bandes à chaud à partir de brames coulées en continu

Country Status (15)

Country Link
US (1) US6071362A (fr)
EP (1) EP0867239B1 (fr)
JP (1) JP4263266B2 (fr)
KR (1) KR100604111B1 (fr)
CN (1) CN1118341C (fr)
AR (1) AR012143A1 (fr)
AT (1) ATE227614T1 (fr)
BR (1) BR9800938A (fr)
CA (1) CA2232853C (fr)
DE (2) DE19712212A1 (fr)
ES (1) ES2186937T3 (fr)
ID (1) ID20917A (fr)
MY (1) MY120227A (fr)
RU (1) RU2211100C2 (fr)
TW (1) TW376336B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009060824A1 (de) 2009-12-29 2011-06-30 SMS Siemag AG, 40237 Transportvorrichtung für Brammen
WO2011086040A2 (fr) 2010-01-14 2011-07-21 Sms Siemag Ag Procédé et dispositif de traitement de surface de brames en ligne

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6296047B1 (en) * 1999-05-21 2001-10-02 Danieli Technology, Inc. Endless casting rolling system with single casting stand
US6289972B1 (en) * 1999-05-21 2001-09-18 Danieli Technology Inc. Integrated plant for the production of rolled stock
DE10252246A1 (de) * 2002-11-07 2004-05-27 Sms Demag Ag Verfahren und Anlage zur Oberflächenbehandlung innerhalb einer Stranggießanlage
DE10304318C5 (de) 2003-02-04 2015-10-15 Sms Group Gmbh Verfahren zum Walzen von dünnen und/oder dicken Brammen aus Stahlwerkstoffen zu Warmband
ATE461763T1 (de) * 2004-10-28 2010-04-15 Giovanni Arvedi Verfahren und produktionsanlage zur herstellung von heissen ultradünnen stahlbändern mit zwei anlagen zum stranggiessen für eine einzelne kontinuierliche waltzstrasse
DE102005010243A1 (de) * 2005-03-05 2006-09-07 Sms Demag Ag Verfahren und Anlage zur Herstellung eines Leichtbaustahls mit einem hohen Mangan-Gehalt
DE102008020412A1 (de) * 2007-08-24 2009-02-26 Sms Demag Ag Verfahren und Vorrichtung zum Herstellen eines Metallbandes durch Gießwalzen
DE102007057423A1 (de) * 2007-11-29 2009-06-04 Sms Demag Ag Fräsmaschine zum Fräsen einer Bramme
AT507475B1 (de) * 2008-10-17 2010-08-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zur herstellung von warmband-walzgut aus siliziumstahl
KR101189516B1 (ko) * 2010-02-08 2012-10-10 주식회사 포스코 주편 처리 방법 및 주편 처리 시스템
DE102016216727A1 (de) 2016-09-05 2018-03-08 Sms Group Gmbh Im Endlosbetrieb betreibbare Produktionsanlage und Verfahren zum Betrieb der Produktionsanlage im Störfall
DE102017210850A1 (de) * 2016-11-17 2018-05-17 Sms Group Gmbh Ofen zum Erwärmen von Metallbändern, und Vorrichtung und Verfahren zur Herstellung von Metallbändern im Gießwalzverfahren
KR101998966B1 (ko) 2017-11-03 2019-07-10 주식회사 포스코 연주압연장치 및 연주압연방법
IT201800004170A1 (it) * 2018-04-03 2019-10-03 Impianto di colata continua e laminazione per la produzione di prodotti metallurgici
CN109870026A (zh) * 2019-03-13 2019-06-11 一汽-大众汽车有限公司 一种加热***和制备分区加热高强度钢板料的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57121808A (en) * 1981-01-22 1982-07-29 Nippon Steel Corp Method and installation for direct hot rolling of steel material
WO1984002860A1 (fr) * 1983-01-20 1984-08-02 Centre Rech Metallurgique Perfectionnements aux procedes de conditionnement des produits metalliques
US5533248A (en) * 1992-05-12 1996-07-09 Tippins Incorporated Method of steel processing using an inline grinder
ES2112440T3 (es) * 1993-05-17 1998-04-01 Danieli Off Mecc Linea para producir banda y/o plancha.
IT1262220B (it) * 1993-10-19 1996-06-19 Danieli Off Mecc Via di trasporto mobile coibentata per colata continua di bramme
IT1269476B (it) * 1994-01-26 1997-04-01 Innocenti Eng Spa Processo ed impianto per produrre acciaio laminato a caldo in nastro
DE19524082B4 (de) * 1995-07-01 2004-02-26 Sms Demag Ag Anlage zur Herstellung von warmgewalztem Stahlband

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009060824A1 (de) 2009-12-29 2011-06-30 SMS Siemag AG, 40237 Transportvorrichtung für Brammen
WO2011080064A2 (fr) 2009-12-29 2011-07-07 Sms Siemag Ag Dispositif de transport pour brames
WO2011086040A2 (fr) 2010-01-14 2011-07-21 Sms Siemag Ag Procédé et dispositif de traitement de surface de brames en ligne
DE102010004563A1 (de) 2010-01-14 2011-07-21 SMS Siemag AG, 40237 Verfahren und Vorrichtung zur Inline-Oberflächenbehandlung von Brammen
US8572826B2 (en) 2010-01-14 2013-11-05 Sms Siemag Aktiengesellschaft Method and device for in-line surface treatment of slabs

Also Published As

Publication number Publication date
US6071362A (en) 2000-06-06
CN1118341C (zh) 2003-08-20
ID20917A (id) 1999-03-25
EP0867239A2 (fr) 1998-09-30
MY120227A (en) 2005-09-30
DE59806228D1 (de) 2002-12-19
CN1210765A (zh) 1999-03-17
DE19712212A1 (de) 1998-10-01
ES2186937T3 (es) 2003-05-16
TW376336B (en) 1999-12-11
BR9800938A (pt) 1999-09-28
JP4263266B2 (ja) 2009-05-13
KR19980080592A (ko) 1998-11-25
KR100604111B1 (ko) 2006-09-22
JPH10296318A (ja) 1998-11-10
CA2232853A1 (fr) 1998-09-24
AR012143A1 (es) 2000-09-27
ATE227614T1 (de) 2002-11-15
EP0867239A3 (fr) 1999-03-31
CA2232853C (fr) 2008-06-10
RU2211100C2 (ru) 2003-08-27

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