EP2310152B1 - Procédé permettant le guidage longitudinal d'un produit laminé, en particulier d'une bande d'acier laminée à chaud, et laminoir à chaud pour la mise en oeuvre de ce procédé - Google Patents

Procédé permettant le guidage longitudinal d'un produit laminé, en particulier d'une bande d'acier laminée à chaud, et laminoir à chaud pour la mise en oeuvre de ce procédé Download PDF

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Publication number
EP2310152B1
EP2310152B1 EP09777151.3A EP09777151A EP2310152B1 EP 2310152 B1 EP2310152 B1 EP 2310152B1 EP 09777151 A EP09777151 A EP 09777151A EP 2310152 B1 EP2310152 B1 EP 2310152B1
Authority
EP
European Patent Office
Prior art keywords
rolling stock
rolling
hot
stock
rolling mill
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.)
Not-in-force
Application number
EP09777151.3A
Other languages
German (de)
English (en)
Other versions
EP2310152A2 (fr
Inventor
Wolfgang Fuchs
Henning Berg
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 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 Siemag AG filed Critical SMS Siemag AG
Publication of EP2310152A2 publication Critical patent/EP2310152A2/fr
Application granted granted Critical
Publication of EP2310152B1 publication Critical patent/EP2310152B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/14—Guiding, positioning or aligning work
    • 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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0421—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing characterised by the working steps
    • C21D8/0426—Hot rolling
    • 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
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • B21B37/76—Cooling control on the run-out table

Definitions

  • the invention relates to a method for longitudinally guiding a rolling stock, in particular a hot-rolled steel strip according to the features of the preamble of claim 1 and a hot rolling mill for carrying out the method according to the features of the preamble of claim. 8
  • the rolling stock in a hot rolling mill as it leaves the finishing train, passes through a laminar refrigerating section to a reel section via a roller table.
  • the rolling stock In the laminar cooling area, the rolling stock is cooled to a required reel temperature by means of water, in order to achieve a structure structure which is as uniform as possible over the width of the rolling stock and uniform strength properties.
  • This temperature profile can be influenced in the sense of a homogenization by preferably one along the rolling stock and over the width of the rolling stock arranged device with shielding elements for cooling the rolling stock.
  • Such a device is from the DE 3230866 C2 and from the DE 199 25 535 A1 known.
  • the rolling stock is transported after leaving the finishing train of a hot rolling mill via a roller table in the direction of a reel and it passes through lying between the finishing train and the reel laminar -Kühl Symposium.
  • the rolling stock is guided longitudinally and on both sides of the laminar cooling area through at least one lateral guide, which consists of parallel guide bars spaced apart from one another, in such a way that it preferably comprises a cooling device with shielding elements for a liquid cooling medium arranged above the rolling stock. is essentially exposed over the entire surface of the cooling medium.
  • a uniform temperature profile is achieved with the formation of a uniform microstructure and uniform strength properties.
  • the rolling stock can be guided along the laminar cooling area through a plurality of side guides.
  • the side guides are, as mentioned, from both sides of the rolling stock, arranged parallel to each other and relatively movable guide rails.
  • Setting the at least one side guide to the width of the rolling stock takes place in an embodiment of the invention automatically, by the fact that after leaving the finishing train, the width of the rolling stock is detected by measurement. This is followed by a coarse adjustment of the at least one side guide to the width of the rolling stock and after the head of the rolling stock has passed the side guide, the setting is made to the detected width of the rolling stock.
  • the adjustment of the lateral guide transversely to the transport path of the rolling stock can be effected according to the invention as a function of the position of the cooling device preferably arranged above the rolling stock with the shielding elements for a liquid cooling medium.
  • the mentioned cooling device can be aligned to the position of the side guide, always under the aspect of achieving a nearly over the width of the rolling stock constant temperature profile.
  • the hot rolling mill comprises a arranged after the finishing mill of the hot rolling mill laminar cooling area with roller conveyor for transporting the rolling stock, arranged at the end of the roller table reel for winding the rolling stock and preferably arranged above the rolling stock cooling device with shielding elements for a liquid cooling medium.
  • At least one lateral guide is arranged along the laminar cooling area.
  • a plurality of such lateral guides may be present along the laminar cooling area.
  • a wide range of the rolling stock detecting measuring device is arranged in a further embodiment of the invention, which communicates signal-transmitting with an electronic control of the hot rolling mill.
  • the electronic control signal transmitting for example, hydraulic control means for acting on hydraulic piston-cylinder units in combination.
  • the piston-cylinder units are the drive means for adjusting the guide rulers to about the width of the rolling stock.
  • Hot rolling mill 1 On the output side of the finishing train 2 is a roller table 3 of a laminar cooling area 4 of a plurality of cooling sections 4.3 Hot rolling mill 1 is formed.
  • the rolling stock 5 On the roller table 3, the rolling stock 5 is transported in the form of a hot-rolled steel strip in the direction 6 of the arrow to a reel 7 and wound thereon. Before winding, the rolling stock 5 is deflected from its preferably horizontal transport direction 6 by means of a driver 8.
  • a known side guide 9 is arranged for the rolling stock 5, which, however, serves only the edge flush reels of the rolling stock 5.
  • the laminar cooling region 4 can, as shown here, consist over its longitudinal extent of a plurality of laminar cooling sections 4.3, wherein each laminar cooling section 4.3 a known cooling device 10 with deflecting elements 10.1, sa Figure 3 , may have.
  • Fig.2 is the well-known from the prior art laminar cooling section 4 shown, but with the difference that between two successive laminar cooling sections 4.3 consisting of guide rulers 11.1 and 11.2 side guide 11, see also Figure 3 , Is arranged and that between the output 2.1 of the finishing train 2 and the input 4.1 of the laminar cooling area 4, a measuring device 12 for detecting the width of the rolling stock 4 is arranged.
  • the measuring device 12 is, following the logic, signal-transmitting connected to an electronic control of the hot rolling mill, not shown here for processing the detected measurement result.
  • signal transmitting connected to the electronic control are further, for example, not shown here control means for hydraulic piston-cylinder units, which are assigned as adjustment of existing from a first and second guide ruler 11.1 and 11.2 side guide 11.
  • a cooling device 10 known per se is positioned vertically above the rolling stock 5 guided on the roller table 3.
  • the cooling device 10 has shielding elements 10. 1 for a liquid cooling medium 13.
  • a guide ruler 11.1 and 11.2 is respectively positioned on both sides of the rolling stock 5. Both guide rulers form the side guide 11, which, as in the Fig.2 shown, between each two consecutive laminar cooling sections 4.3 is arranged.
  • Each of the guide rulers is connected to the free end of the piston rod 14.1 or 15.1 of a preferably hydraulic piston-cylinder unit 14 or 15 in conjunction to be adjusted according to the width of the rolling stock 5 to about this.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Metal Rolling (AREA)

Claims (14)

  1. Procédé pour le guidage longitudinal d'un produit de laminage, en particulier d'un ruban d'acier laminé à chaud sur une voie à rouleaux (3) d'un laminoir à chaud (1), qui est transporté après avoir quitté le train finisseur (2) via la voie à rouleaux en direction d'une bobineuse (7) et qui traverse une zone de refroidissement laminaire (4) s'étendant entre le train finisseur et la bobineuse, caractérisé en ce que le produit de laminage (5) est guidé en direction longitudinale et des deux côtés de la zone de refroidissement laminaire (4) par au moins un guidage latéral (11).
  2. Procédé selon la revendication 1, caractérisé en ce que le produit de laminage (5) est guidé en direction longitudinale et des deux côtés de la zone de refroidissement laminaire (4) par plusieurs guidages latéraux (11).
  3. Procédé selon la revendication 1, caractérisé en ce que la largeur du produit de laminage (5) est enregistrée de manière automatique après le passage du produit de laminage par le train finisseur (2).
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que les guidages latéraux correspondants (11) sont réglés à la largeur déterminée du produit de laminage, après le passage de la tête du produit de laminage (5) par le guidage latéral respectif.
  5. Procédé selon la revendication 4, caractérisé en ce que le réglage des guidages latéraux (11) a lieu en fonction de la largeur du produit de laminage.
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la position des guidages latéraux (11) est réglée en fonction de la position d'un dispositif de refroidissement (10) agencé par-dessus le produit de laminage (5), comportant des éléments de protection (10.1) pour un milieu de refroidissement liquide.
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la position d'un dispositif de refroidissement (10) agencé par-dessus le produit de laminage (5), comportant des éléments de protection (10.1) pour un milieu de refroidissement liquide est réglée en fonction de la position des guidages latéraux (11).
  8. Laminoir à chaud équipé d'un train finisseur, comprenant une zone de refroidissement laminaire (4) disposée après le train finisseur (2), équipée d'une voie à rouleaux (3) pour le transport du produit de laminage (5), une bobineuse (7) disposée à l'extrémité de la voie à rouleaux (3) pour l'enroulement du produit de laminage (5) et un dispositif de refroidissement (10) agencé par-dessus le produit de laminage (5) comportant des éléments de protection (10.1) pour un milieu de refroidissement liquide, caractérisé en ce qu'on dispose au moins un guidage latéral (11) le long de la zone de refroidissement laminaire (4).
  9. Laminoir à chaud selon la revendication 8, caractérisé en ce qu'on dispose plusieurs guidages latéraux (11) le long de la zone de refroidissement laminaire (4).
  10. Laminoir à chaud selon la revendication 8, caractérisé en ce qu'on dispose entre la sortie (2.1) du train finisseur (2) et l'entrée (4.1) de la zone de refroidissement laminaire (4), un mécanisme de mesure (12) qui enregistre la largeur du produit de laminage (5).
  11. Laminoir à chaud selon la revendication 8, caractérisé en ce que, dans le but d'obtenir une structure uniforme et des propriétés de résistance uniformes du produit de laminage (5), ledit au moins un guidage latéral (11) peut être réglé en fonction de la position du dispositif de refroidissement (10) agencé par-dessus le produit de laminage (5) comportant des éléments de protection (10.1) pour un milieu de refroidissement liquide.
  12. Laminoir à chaud selon la revendication 8, caractérisé en ce que, dans le but d'obtenir une structure uniforme et des propriétés de résistance uniformes du produit de laminage (5), la position du dispositif de refroidissement (10) agencé par-dessus le produit de laminage (5), comportant des éléments de protection (10.1) pour un milieu de refroidissement liquide peut être réglée en fonction de la position des guidages latéraux (11).
  13. Laminoir à chaud selon l'une quelconque des revendications précédentes 8 à 12, caractérisé en ce que ledit au moins un guidage latéral (11) comprend des règles de guidage (11.1, 11.2) présentes des deux côtés du produit de laminage (5), disposées parallèlement l'une à l'autre et aptes à se déplacer l'une par rapport à l'autre.
  14. Laminoir à chaud selon la revendication 13, caractérisé en ce que chacune des règles de guidage (11.1, 11.2) est mise en relation de travail avec un dispositif d'entraînement réalisé sous la forme d'une unité à piston/cylindre (13) qui active le déplacement parallèle des règles de guidage.
EP09777151.3A 2008-07-12 2009-07-13 Procédé permettant le guidage longitudinal d'un produit laminé, en particulier d'une bande d'acier laminée à chaud, et laminoir à chaud pour la mise en oeuvre de ce procédé Not-in-force EP2310152B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008032932A DE102008032932A1 (de) 2008-07-12 2008-07-12 Verfahren zum Längsführen eines Walzgutes, insbesondere eines warmgewalzten Stahlbandes und Warmwalzwerk zur Durchführung des Verfahrens
PCT/EP2009/005074 WO2010006750A2 (fr) 2008-07-12 2009-07-13 Procédé permettant le guidage longitudinal d'un produit laminé, en particulier d'une bande d'acier laminée à chaud, et laminoir à chaud pour la mise en oeuvre de ce procédé

Publications (2)

Publication Number Publication Date
EP2310152A2 EP2310152A2 (fr) 2011-04-20
EP2310152B1 true EP2310152B1 (fr) 2013-06-26

Family

ID=41412820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09777151.3A Not-in-force EP2310152B1 (fr) 2008-07-12 2009-07-13 Procédé permettant le guidage longitudinal d'un produit laminé, en particulier d'une bande d'acier laminée à chaud, et laminoir à chaud pour la mise en oeuvre de ce procédé

Country Status (9)

Country Link
US (1) US20110132054A1 (fr)
EP (1) EP2310152B1 (fr)
JP (1) JP2011527634A (fr)
KR (1) KR101332198B1 (fr)
CN (1) CN102089092A (fr)
DE (1) DE102008032932A1 (fr)
RU (1) RU2466810C2 (fr)
UA (1) UA98061C2 (fr)
WO (1) WO2010006750A2 (fr)

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Publication number Priority date Publication date Assignee Title
CN101879531A (zh) * 2010-05-31 2010-11-10 北京科技大学 一种冷却板形可控制的热轧带钢层流冷却装置
WO2012148069A1 (fr) * 2011-04-27 2012-11-01 현대제철 주식회사 Appareil de blocage de la vapeur
CN102636160B (zh) * 2012-04-28 2013-11-13 天津二十冶建设有限公司 冶金工业超长距离轧线辊道螺栓整体放样方法
EP2666558A1 (fr) * 2012-05-21 2013-11-27 Siemens Aktiengesellschaft Guidage latéral pour une voie de laminage
EP2853315A1 (fr) * 2013-09-26 2015-04-01 Siemens VAI Metals Technologies GmbH Dispositif de guidage de bandes métalliques avec des corps d'usure
CN112845619B (zh) * 2020-11-19 2023-02-17 邯郸钢铁集团有限责任公司 一种减小热轧高强带钢尾部残余应力的方法
CN115121632B (zh) * 2022-07-21 2023-03-10 东北大学 一种热轧带钢层流冷却过程横向温度均匀化控制方法
CN119926984B (zh) * 2025-03-20 2026-03-03 常熟市龙腾特种钢有限公司 一种交替冷却的轧钢生产用的脱头辊道结构

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DE102007053523A1 (de) * 2007-05-30 2008-12-04 Sms Demag Ag Vorrichtung zur Beeinflussung der Temperaturverteilung über der Breite

Also Published As

Publication number Publication date
WO2010006750A2 (fr) 2010-01-21
KR20110019423A (ko) 2011-02-25
DE102008032932A1 (de) 2010-01-14
RU2011105132A (ru) 2012-08-20
CN102089092A (zh) 2011-06-08
UA98061C2 (uk) 2012-04-10
EP2310152A2 (fr) 2011-04-20
RU2466810C2 (ru) 2012-11-20
US20110132054A1 (en) 2011-06-09
WO2010006750A3 (fr) 2010-03-25
JP2011527634A (ja) 2011-11-04
KR101332198B1 (ko) 2013-11-25

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