EP3359317A1 - Procédé et dispositif de fabrication d'une bande métallique par laminage continu - Google Patents

Procédé et dispositif de fabrication d'une bande métallique par laminage continu

Info

Publication number
EP3359317A1
EP3359317A1 EP16782023.2A EP16782023A EP3359317A1 EP 3359317 A1 EP3359317 A1 EP 3359317A1 EP 16782023 A EP16782023 A EP 16782023A EP 3359317 A1 EP3359317 A1 EP 3359317A1
Authority
EP
European Patent Office
Prior art keywords
slab
region
casting machine
cooling
edge region
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.)
Granted
Application number
EP16782023.2A
Other languages
German (de)
English (en)
Other versions
EP3359317B1 (fr
Inventor
Jürgen Seidel
Markus Reifferscheid
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 Group 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 SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP3359317A1 publication Critical patent/EP3359317A1/fr
Application granted granted Critical
Publication of EP3359317B1 publication Critical patent/EP3359317B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/44—Control of flatness or profile during rolling of strip, sheets or plates using heating, lubricating or water-spray cooling of 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
    • B21B45/02—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 lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
    • 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
    • B21B45/02—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 lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/1213—Accessories for subsequent treating or working cast stock in situ for heating or insulating strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • B22D11/1246—Nozzles; Spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
    • B22D11/225—Controlling or regulating processes or operations for cooling cast stock or mould for secondary cooling

Definitions

  • the invention relates to a method for producing a metallic strip by continuous rolling, in which a slab is first cast in a casting machine and then continuously rolled in a rolling train with at least one roll stand (it can also be endlessly pre-rolled and the strip rolled discontinuously), wherein the casting machine comprises a strand guide, in which the cast slab is fed in the conveying direction in the rolling line, wherein the material of the slab is cooled in the strand guide by spraying a cooling medium by means of a number of cooling devices, each cooling device having a number of spray nozzles, the in the direction transverse to the conveying direction are arranged side by side and over which the cooling medium is discharged onto the slab. Furthermore, the invention relates to a device for producing the tape.
  • a casting machine usually has to produce different material qualities.
  • soft carbon steel is cast at a high speed and designed based on a casting machine length.
  • high strength materials such as microalloyed steels and high carbon steels
  • silicon steels the casting speed is reduced for quality reasons. This leads to a solidification further within the caster.
  • the invention is therefore based on the object, a generic method further so that it is possible with little effort to improve the slab or strip quality, especially in the edge region.
  • the solution of this problem by the invention is characterized in that at least one of the cooling devices is operated so that only a number of arranged in the center region of the slab spray nozzles cooling medium is applied to the slab, while on the located in the edge region of the slab spray nozzles no or Cooling medium is discharged onto the slab only to a reduced extent, the entire slab, preferably only the edge region of the slab, being protected against cooling in the region of the strand guide and / or in the region between the strand guide and the rolling train by means of thermal insulation and / or Slab is heated along a balancing section between the caster and the rolling mill in its edge region.
  • the average temperature in the edge region of the slab opposite the middle Temperature in the center of the slab kept at least 20 K higher, preferably by at least 100 K.
  • the edge region of the slab is preferably kept away from splashed-on cooling medium or in reduced cooling effect over a range between 40 and 150 mm away from the lateral slab end.
  • the injection zone width is preferably divided into narrow width sections which are preferably acted upon separately with cooling medium, preferably between 50 mm and 300 mm, particularly preferably between 50 mm and 100 mm, in order to be able to optimally adapt the active water quantity to different slab widths.
  • a further embodiment provides that a temperature increase between the temperature of the slab in the edge region and the temperature of the slab in the central region from the beginning of the solidification of the slab until the end of the solidification of the slab is preferably carried out continuously.
  • the slab is preferably guided between the casting machine and the rolling train to compensate for the temperature between the center region of the slab and the edge region of the slab along a compensation path having a length which results in:
  • k dimension coefficient: k This provides the distance (and thus the time) needed for the temperature increase at the edge or side and the temperature compensation.
  • the equation reflects the problem of high mass flow.
  • the compensation path is not longer than 120%, at most 200%, of the above minimum value.
  • the compensation path length may also be set so that a single slab for maximum length batch rolling takes place in the area between the caster and the first stand and there is sufficient head-to-head clearance for handling. Accordingly, therefore, a distance between the casting machine and the first stand is present, so that a temperature compensation ( ⁇ ⁇ 80 ° C) within the slab in the thickness and / or width direction in front of the rolling stand by means of a sufficient distance with partial use of Dämmhaubenrown and by heat conduction set inside the slab.
  • the heating of the slab is preferably carried out within a thermal insulation.
  • At least one segment of the casting machine can be replaced by lateral displacement by a transversely to the conveyor direction sliding thermally insulated roller table during a casting break.
  • the apparatus for producing a metallic strip by endless rolling comprising a casting machine for casting a slab and a rolling train adjoining it in the conveying direction of the slab with at least one Roll stand, wherein the casting machine has a strand guide, is guided in the material of the slab in the conveying direction in the rolling line, wherein a number of cooling devices are provided, with which the slab can be cooled in the strand guide by spraying a cooling medium, each cooling device a Number of spray nozzles, which are arranged in the direction transverse to the conveying direction side by side and over which the cooling medium can be applied to the material of the slab, is characterized according to the invention in that control means are provided to operate a at least one of the cooling devices so that Cooling medium is discharged onto the slab only via a number of spray nozzles arranged in the center region of the slab, while no or only to a lesser extent cooling medium is discharged onto the slab via the spray nozzles located in the edge region of the slab, a thermal I solation in the region of the strand guide and
  • the zone widths or distances of the spray nozzles in the width direction of the slab are preferably between 50 and 300 mm, preferably between 50 and 100 mm. This makes it possible to positively influence the temperature distribution over the width.
  • the thermal insulation in the direction transverse to the conveying direction may be arranged displaceably.
  • a compensation path is preferably present, which has the length indicated above.
  • Laterally next to at least one segment of the strand guide or the casting machine can be arranged transversely to the conveying direction sliding thermally insulated roller table with thermal insulation.
  • the invention is based on the recognition that a normal cooling in the rear region of the casting machine and during the subsequent onward transport up to the first rolling stand has a particularly negative effect on the edge. To prevent this, it is provided that within the casting machine by targeted switching off or reducing the segment cooling in the area close to the slab edges, these are kept warmer.
  • the slab edge region is preferably kept in the range between 40 to 150 mm from the edge to the solidification by at least 20 K, preferably at least 100 K, warmer than the slab center.
  • Descaling of the slab for example, before the first inline scaffold is optionally optionally dispensed with in high-strength materials; this area can be thermally insulated.
  • the proposed solution results in an improvement of the slab or strip quality at the edge, in particular in the case of high-strength materials.
  • slab edge cracks can be avoided during subsequent forming.
  • FIG. 1 shows schematically a cast strand or a slab, as seen in the conveying direction, wherein above the cast strand or the slab a Cooling device is arranged in the form of a cooling bar with a number of spray nozzles, wherein a solution according to the prior art is shown
  • Figure 2 is a schematic representation of Figure 1, wherein here an embodiment of the invention is shown
  • FIG. 5 shows the view of a part of the roller table between casting machine and rolling train or the strand guide of the casting machine, viewed in the conveying direction of the slab, wherein an adjustable thermal insulation is shown
  • Fig. 6 shows the side view of the end of the casting machine, wherein in this area a thermal insulation is arranged
  • Fig. 7 is the side view of Figure 6, wherein instead of the thermal insulation segment rollers are arranged
  • Fig. 8 seen in the conveying direction of the slab, a transversely displaceable element of the casting machine, wherein either a thermal insulation or a segmented roller can be inserted into the conveying region of the slab.
  • a casting strand or a slab 1 can be seen, which in the conveying direction F (which is perpendicular to the drawing plane in FIG. 1) passes the strand guide of a casting machine.
  • a cooling device in the form of a cooling bar 6 is arranged, wherein the cooling device has a number of spray nozzles 7 arranged next to one another. Over this cooling medium 5 (water) or a water-air mixture can be sprayed onto the strand surface to cool them.
  • the casting strand 1 extends in a direction Q transverse to the conveying direction F and has a center region M in and an edge region K.
  • FIG. 2 shows an embodiment according to the invention which differs from the previously known one only in that the individual spray nozzles 7 are arranged much closer to one another.
  • the active, d. H. the splash-fed spray nozzles 7 are shown as black boxes, while the passive spray nozzles 7 'are shown as white boxes.
  • the inventively desired overheating of the edge portion K of the casting strand or the slab 1, d. H. the temperature increase of the edge region K relative to the central region M is advantageously increased successively from the beginning of the solidification until the end of the slab solidification.
  • the segment cooling (for the entire casting machine or even only in the forward or back half of the casting machine in the conveying direction or alternately over casting machine length) can be very fine across the width to optimally set the desired effect for the different widths.
  • Zone widths between 50 and 300 mm and more preferably between 50 and 100 mm are provided across the width in the range of 90% from the minimum slab width to the maximum slab width in order to avoid cold slab edges.
  • the zones on the top and bottom as well as from roll to roll can be offset by a half (or integer) nozzle pitch.
  • volume-adjustable two-substance nozzles are used as spray nozzles.
  • the amounts of water of the individual spray nozzles, which should remain passive, in the slab edge area and next to the slab can be reduced to zero, so that only a little nozzle cooling water or only air (to protect the nozzle) flows out. This effect can be supported by the use of dry segments in the back of the casting machine. To protect the nozzles and the nozzle bar, this can alternatively be deactivated Nozzle bars also moved out of the casting line or swung out.
  • the absolute slab edge is somewhat colder than the slab in the middle, or the average temperature over the thickness in the region, because some water flows over the edge and a two-dimensional radiation of heat occurs.
  • the overheated slab edge region provided according to the invention and the subsequent optionally provided optional thermal insulation, however, there is advantageously a further rise in temperature of the absolute slab edge as a result of the temperature compensation or the heat conduction from the center to the edge or lateral outer surface.
  • FIG. 3 shows the variation of the temperature T (on the ordinate) over the slab width coordinate (on the abscissa), the temperature being the slab temperature averaged over the thickness at the casting machine.
  • CL marks the slab center and B / 2 the slab edge.
  • FIG. 3 shows a dashed line the course of the temperature in the production of a warmer slab edge with fine cooling zone distribution or spray nozzle arrangement according to Figure 2. It can be seen that now the temperature in the edge region K of the slab 1 is higher.
  • FIG. 4 once again shows the profile of the stated temperature T (slab temperature averaged over the thickness) over the width of the slab in FIG Area of the casting machine and the first inline rolling stand for different boundary conditions shown.
  • the curve a shows the temperature distribution up to the slab edge after the solidification, namely generated by a reduced segment cooling or by switching off nozzles in the edge region.
  • the curve b represents the temperature distribution after the solidification in the casting machine without inventive overheating of the slab edge. It can be seen that the slab edge has become significantly colder.
  • the curve c shows the temperature distribution up to the slab edge at the inlet of the in-line scaffold with slab edge superheated according to the invention or reduced segment cooling in the casting machine (without insulation).
  • the curve d shows the temperature distribution up to the slab edge at the inlet of the inline scaffolding without overheating the slab edge in the casting machine (without insulation).
  • the temperature distribution up to the slab edge at the inlet of the in-line scaffold according to the procedure according to the invention is then shown by a reduced segment cooling in the slab edge region and thermal insulation at the top and bottom of the slab or cast strand and / or the slab edges on much of the distance between the solidification point and the first inline scaffolding.
  • the arrow f indicates the inventively achievable potential for increasing the slab edge temperature at the inlet of the inline scaffold.
  • the balancing section between the casting machine 2 and the first roll stand of the rolling train 3 can be designed as a thermal insulation stretch, in which the slab is enclosed.
  • a training in the form of a heated thermal insulation route is possible.
  • heating over the entire width of the slab (or even only in the edge region) may be provided, wherein an increased heating power is provided in the edge region in order to heat the edge stronger.
  • FIG 5 shows how the slab 1 is conveyed on a roller table roller 9, wherein in each of the two edge regions K of the slab 1, a thermal insulation 8 is arranged in the form of thermal insulation. This can be adjusted in the horizontal direction Q transversely to the conveying direction F, which is indicated by the double arrows.
  • the thermal insulation 8 can also be arranged fixed. However, the adjustability is preferred, so that the insulation 8 can follow the slab edge.
  • the slab edge insulation shown reduces the temperature difference between the slab center and the edge region K of the slab 1.
  • the illustrated insulation 8 can be used in the roller table area and / or also in the rear area of the casting machine 2.
  • It can also be arranged, for example, a slicer, a cold strand disposal, a tinder scrubber and other aggregates within the equalization section.
  • the heat-insulating region can be realized only behind the casting machine and / or also in the rear region of the casting machine in one or more segments (in the horizontal part).
  • FIG. 6 shows a casting machine 2 with laterally displaceable segments or displaceable roller table, wherein a thermal insulation 8 (thermal insulation) is arranged in the production line above, below and laterally.
  • the end of the casting machine is designated 10.
  • Driver rollers or roller table rollers 1 1 promote the cast strand or the slab.
  • the rolling train 3 (not shown) is arranged at a distance behind the casting machine 2.
  • FIG. 8 shows the displaceable arrangement in which once the insulation 8 (thermal insulation) and once alternatively the segment rolls 12 can be pushed into the production line.
  • a displaceable frame 13 is present, which can be moved in the direction of the double arrow in Figure 8.
  • the respective unused arrangement on its frame 13 is then located next to the production line.

Landscapes

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

Abstract

L'invention concerne un procédé de fabrication d'une bande métallique par laminage continu, selon lequel une brame (1) est d'abord coulée dans une machine de coulée et puis est laminée en continu dans un train de laminoir (3) avec au moins une cage de laminoir, le matériau de la brame (1) étant refroidi dans la zone d'un guide-brame (4) par pulvérisation d'un fluide de refroidissement (5) au moyen d'un certain nombre de dispositifs de refroidissement (6), chaque dispositif de refroidissement (6) présentant un certain nombre de buses de pulvérisation (7), qui sont disposées l'une à côté de l'autre dans le sens transversal (Q) au sens de transport (F) et qui permettent de disséminer le fluide de refroidissement (5) sur la brame (1). Pour obtenir une qualité plus élevée de brame et donc de bande, au moins l'un des dispositifs de refroidissement (6) fonctionne selon l'invention de telle sorte que le fluide de refroidissement (5) est disséminé sur la brame (1) seulement par l'intermédiaire d'un certain nombre de buses de pulvérisation (7) disposées dans la zone médiane (M) de la brame (1) alors que les buses de pulvérisation (7) se trouvant dans la zone des bords (K) de la brame (1) ne dissémine aucun fluide de refroidissement (7) ou en dissémine seulement en une étendue réduite sur la brame (1), la zone des bords (K) de la brame (1) étant de préférence protégée au moyen d'une isolation thermique (8) contre le refroidissement dans la zone du guide-brame (4) et/ou dans la zone située entre le guide-brame (4) et le train de laminoir (3), et/ou la brame (1) étant chauffée le long d'une distance d'équilibrage entre la machine de coulée (2) et le train de laminoir (3) dans sa zone des bords (K). L'invention concerne également un dispositif de fabrication de bande.
EP16782023.2A 2015-10-09 2016-10-07 Procédé et dispositif de fabrication d'une bande métallique par laminage continu Active EP3359317B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102015219652 2015-10-09
DE102015223787.7A DE102015223787A1 (de) 2015-10-09 2015-11-30 Verfahren und Vorrichtung zum Herstellen eines metallischen Bandes durch Endloswalzen
PCT/EP2016/074002 WO2017060428A1 (fr) 2015-10-09 2016-10-07 Procédé et dispositif de fabrication d'une bande métallique par laminage continu

Publications (2)

Publication Number Publication Date
EP3359317A1 true EP3359317A1 (fr) 2018-08-15
EP3359317B1 EP3359317B1 (fr) 2019-12-18

Family

ID=58405908

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16782023.2A Active EP3359317B1 (fr) 2015-10-09 2016-10-07 Procédé et dispositif de fabrication d'une bande métallique par laminage continu

Country Status (3)

Country Link
EP (1) EP3359317B1 (fr)
DE (1) DE102015223787A1 (fr)
WO (1) WO2017060428A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109047696B (zh) * 2018-08-09 2023-09-08 中冶连铸技术工程有限责任公司 适用于板坯连铸机的喷嘴在线调整方法以及其导流装置
CN112139463B (zh) * 2019-06-27 2022-03-11 上海梅山钢铁股份有限公司 一种连铸机的二冷喷嘴选型及布置方法
CN115228929A (zh) * 2022-07-29 2022-10-25 广西广盛新材料科技有限公司 带钢生产的温度控制方法、装置、终端设备及存储介质

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832511A (ja) * 1981-08-21 1983-02-25 Nippon Kokan Kk <Nkk> 厚鋼板の冷却方法
IT1224318B (it) 1988-05-26 1990-10-04 Mannesmann Ag Processo ed impianto per la produzione continua di nastro di acciaio
IT1229749B (it) 1989-05-17 1991-09-10 Giovanni Arvedi Forno ad induzione di riscaldo ed omogeneizzazione della temperatura per la laminazione di nastri sottili di acciaio.
DE10051959A1 (de) * 2000-10-20 2002-05-02 Sms Demag Ag Verfahren und Vorrichtung zum Stranggießen und anschließendem Verformen eines Gießstranges aus Stahl, insbesondere eines Gießstranges mit Blockformat oder Vorprofil-Format
DE102007016100A1 (de) * 2006-09-01 2008-03-06 Sms Demag Ag Einrichtung zum Warmhalten von aus einer Stranggießanlage austretenden Brammen
DE102007053523A1 (de) * 2007-05-30 2008-12-04 Sms Demag Ag Vorrichtung zur Beeinflussung der Temperaturverteilung über der Breite
DE102008049537A1 (de) * 2008-09-30 2010-04-01 Sms Siemag Aktiengesellschaft Verfahren und Vorrichtung zum Kühlen eines Vorbandes oder Bandes eines Metallstrangs in einem Warmwalzwerk
DE102009019784A1 (de) * 2009-05-02 2010-11-04 Sms Siemag Ag Vorrichtung und Verfahren zur Kühlung eines Metallbandes
DE102010022003B4 (de) 2009-06-19 2022-12-29 Sms Group Gmbh Vertikal-Stranggießanlage
KR101806819B1 (ko) * 2011-02-07 2017-12-08 프리메탈스 테크놀로지스 오스트리아 게엠베하 스트랜드 주조 시스템의 스트랜드 가이드에 이동식 냉각 노즐을 배치하여 스트랜드의 온도 또는 온도 프로파일을 제어하기 위한 방법
EP2527061A1 (fr) * 2011-05-27 2012-11-28 Siemens VAI Metals Technologies GmbH Procédé de refroidissement d'un faisceau métallique et vanne de commande pour l'ouverture et la fermeture intermittentes d'un flux volumique d'un fluide de refroidissement
DE102012201395A1 (de) 2012-02-01 2013-08-01 Sms Siemag Ag Verfahren zum Stranggießen eines metallischen Stranges in einer Stranggießanlage und Stranggießanlage

Also Published As

Publication number Publication date
DE102015223787A1 (de) 2017-04-13
EP3359317B1 (fr) 2019-12-18
WO2017060428A1 (fr) 2017-04-13

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