EP1750864B1 - Procede et dispositif de refrigeration et/ou de lubrification de cylindres et/ou de produits lamines - Google Patents

Procede et dispositif de refrigeration et/ou de lubrification de cylindres et/ou de produits lamines Download PDF

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Publication number
EP1750864B1
EP1750864B1 EP05745164A EP05745164A EP1750864B1 EP 1750864 B1 EP1750864 B1 EP 1750864B1 EP 05745164 A EP05745164 A EP 05745164A EP 05745164 A EP05745164 A EP 05745164A EP 1750864 B1 EP1750864 B1 EP 1750864B1
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EP
European Patent Office
Prior art keywords
rolls
rolling stock
nozzles
nozzle
nozzle rows
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
EP05745164A
Other languages
German (de)
English (en)
Other versions
EP1750864A1 (fr
EP1750864B2 (fr
Inventor
Rolf BÜNTEN
Hartmut Pawelski
Ludwig Weingarten
Heiner Siebel
Hans-Peter Richter
Klaus Grimm
Dieter Daub
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 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34968528&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1750864(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP1750864A1 publication Critical patent/EP1750864A1/fr
Publication of EP1750864B1 publication Critical patent/EP1750864B1/fr
Application granted granted Critical
Publication of EP1750864B2 publication Critical patent/EP1750864B2/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
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
    • B21B45/0251—Lubricating devices using liquid lubricants, 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
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • 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
    • 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
    • B21B15/0035—Forging or pressing devices as units
    • B21B15/005—Lubricating, cooling or heating means

Definitions

  • the invention relates to a method and apparatus for cooling and / or lubrication of rolls and / or rolling, in which from a plurality of nozzles / rows of nozzles on the one hand a cooling medium on the rollers and for lubrication on the other hand, a base oil is applied to the rolling stock before the nip, wherein the nozzles / nozzle rows can be adjusted individually and independently of each other.
  • a hot rolling process and a hot rolling mill for metal strip have become known from one or more rolling mills.
  • a cooling liquid sprayed in a narrow, extending immediately before the nip area wherein both the shells of the work rolls and the metal strip are acted upon.
  • the temperature at the surface of the jackets of the work rolls is adjusted so that at least immediately before the nip, a temperature is reached, which is below the boiling temperature of the cooling liquid.
  • a method and a device are known in which the concentration of an emulsion of rolling oil is influenced in a targeted manner and the emulsion or dispersion is collected and separated again after it has left the nip or, respectively, before it leaves the nip.
  • the focus of this solution lies in the current production of the emulsion and the separation of the media involved.
  • EP 0 794 023 A2 shows a device and describes a method in which a lubricant, separated from water, obliquely applied in the nip and directly to a rolling stock.
  • a lubricant separated from water, obliquely applied in the nip and directly to a rolling stock.
  • FIGS. 1 to 4 is shown and explained in the description that the Schierstoff comes into contact with the cooling water and mixed with it and washed off. This mixture must then be collected and separated. For this purpose, several tanks and separation devices are necessary.
  • JP 59 169 608 A It is known that a mineral oil is sprayed during hot rolling on the surfaces of the work rolls, the cooling water was previously removed from these surfaces.
  • a lubricant is sprayed by means of nozzles 3 directly to the work rolls 1 and through further nozzles 3 directly to the support rollers 2. Since both the work rolls and the backup rolls are loaded with a lubricant, an increased use of lubricant is necessary in order to comply with the required rolling properties during hot rolling.
  • the known cooling and / or lubricating methods or devices have in common that in the applied emulsions of the lubricating film, consisting of the carrier medium water and the actual lubricating shares (additive or oil) does not arrive effectively in the nip.
  • the lubricating film consisting of the carrier medium water and the actual lubricating shares (additive or oil) does not arrive effectively in the nip.
  • additive or oil additive or oil
  • the invention is therefore an object of the invention to provide a method and an apparatus of the type mentioned without the disadvantages mentioned and in particular to achieve significantly improved lubrication in the nip and to minimize consumption.
  • the invention is based on the surprising finding confirmed by numerous experiments that with the direct application of exclusively the lubricating additive or oil, which is used sealed or separated from the cooling medium, the lubricating additive unfolds its full effect in the roll gap.
  • a proposal of the invention provides that the base oil at the inlet side on the top and / or on the underside of the preferably cold-rolled Rolled material is applied. Both top and bottom application may be appropriate depending on the material properties of the rolling stock.
  • cooling medium is advantageously applied to the rolls both on the inlet side and outlet side, washing of the work rolls can be achieved simultaneously with the strip cooling, even before the rolls have completed their rotation to the inlet side. As it turns out, not only the service life of the work rolls is substantially increased, but in addition to almost sparkling bare rolls and the Walzgutober perennial be much cleaner.
  • a media barrier for example, between the nozzle / nozzle rows for applying the cooling medium to the rollers and the nozzle / nozzle rows for applying the base oil to the rolling stock.
  • a seal in the form of a bulkhead arranged. The cooling medium is thereby kept safe from the oil or additive remotely or separately, so that the applied directly to the rolling surface additive / oil can not be washed off.
  • a base oil nozzle / nozzle row arrangement is directed vertically onto the surface of the rolling stock and another base oil nozzle / nozzle row arrangement obliquely into the roll gap.
  • the manufacturing and assembly costs can be limited.
  • the nozzles / nozzle rows are independently adjustable or acted upon with different pressures.
  • coolant nozzles / rows of nozzles arranged on the outlet side can advantageously also be directed onto the rollers.
  • the single figure shows a side view of a roller assembly according to the invention with nozzles / nozzle rows for the rolling stock, the nip and the rollers.
  • a rolling stock 3 is rolled in the direction of passage indicated by the arrow 4; the rolling stock or strip 3 is deformed in the nip 15 between the work rolls 1, 2.
  • nozzles / nozzle rows 7, 7 'and 8, 8' or 9, 9 'are arranged, of which the nozzles / nozzle rows 9, 9' are not shown Apply supply source supplied cooling medium to the surface of the work rolls 1, 2.
  • the nozzles / nozzle rows 7, 7 ', 8', 8 'or 9, 9' arranged in the exemplary embodiment in nozzle bars 14, 14 ' can be acted upon separately and set independently of one another and subjected to different pressures.
  • the nozzles / nozzle rows 7, 7 ', 8', 8 'or 9, 9' arranged in the exemplary embodiment in nozzle bars 14, 14 ' can be acted upon separately and set independently of one another and subjected to different pressures.
  • the additive or oil on the top 10 and / or bottom 11 of the rolled material 3 vertically directed Nozzle / nozzle rows 7, 7 'with a pressure of 2 to 5 bar
  • the large amount of cooling medium is held separated by the in the embodiment as a bulkhead 12, 12 'formed seal of the small amount of additive / oil, which thus fully effective in the nip 15 reaches the deployment.

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

Claims (9)

  1. Procédé pour le refroidissement et/ou le graissage de cylindres (1, 2) et/ou de matières à laminer (3), dans lequel, d'une part à partir de plusieurs buses/séries de buses (7, 7', 8, 8', 9, 9') un produit réfrigérant est appliqué sur les cylindres (1, 2), et d'autre part, pour le graissage, une huile de base est appliquée sur les matières à laminer (3) en amont l'écartement des cylindres (15), les buses/séries de buses pouvant être réglées de manière individuelle et indépendamment les unes des autres, et le produit réfrigérant étant appliqué, séparément par rapport à l'huile de base, sur les cylindres (1, 2) et, à titre exclusif l'huile de base, en l'absence d'eau faisant office de milieu de support, est appliquée directement sur les matières à laminer (3) sur toute leur largeur, de l'huile de base supplémentaire, après l'application de l'huile de base sur les matières à laminer (3), étant appliquée en l'absence d'eau faisant office de milieu de support, en inclinaison dans l'écartement des cylindres (15); et l'huile de base exempte d'eau, appliquée directement sur les matières à laminer (3), formant une couche de séparation incompressible entre les matières à laminer et les cylindres.
  2. Procédé selon la revendication 1, caractérisé en ce que l'huile de base est appliquée du côté entrée (5) des cylindres (1, 2) sur le côté supérieur (10) et/ou sur le côté inférieur (11) des matières à laminer (2).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le produit réfrigérant est appliqué sur les cylindres (1, 2) aussi bien du côté entrée que du côté sortie.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les matières à laminer (3) laminées à froid sont refroidies et/ou graissées.
  5. Dispositif pour le refroidissement et/ou pour le graissage de cylindres (1, 2) et/ou de matières à laminer (3), dans lequel, d'une part à partir de plusieurs buses/séries de buses (7, 7', 8, 8', 9, 9') un produit réfrigérant est appliqué sur les cylindres (1, 2), et d'autre part, pour le graissage, une huile de base est appliquée sur les matières à laminer (3) en amont de l'écartement des cylindres (15), les buses/séries de buses (7, 7', 8, 8', 9, 9') pouvant être réglées de manière individuelle et indépendamment les unes des autres, et entre les buses/séries de buses (9, 9'), pour l'application du produit réfrigérant sur les cylindres (1, 2) et entre les buses/séries de buses (7, 7') respectivement (8, 8') pour l'application de l'huile de base sur les matières à laminer (3), on dispose un dispositif de blocage des milieux (12, 12'), pour la mise en oeuvre du procédé selon la revendication 1, dans lequel un agencement de buses/séries de buses pour l'huile de base (8, 8') est orienté en inclinaison dans l'écartement des cylindres (15) caractérisé en ce qu'un autre agencement de buses/séries de buses pour l'huile de base (7, 7') est orienté à la verticale sur la surface des matières à laminer (3).
  6. Dispositif selon la revendication 5, caractérisé en ce que les buses/séries de buses (7, 7', 8, 8', 9, 9') pour le produit réfrigérant et pour l'huile de base sont disposées dans une barre de buses (14, 14').
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce que les buses/séries de buses (7, 7', 8, 8', 9, 9') peuvent être réglées indépendamment les unes des autres.
  8. Dispositif selon l'une quelconque des revendications 5 à 7, caractérisé en ce que les buses/séries de buses (7, 7', 8, 8', 9, 9') sont sollicitées avec des pressions différentes.
  9. Dispositif selon l'une quelconque des revendications 5 à 8, caractérisé en ce que les buses/séries de buses pour le réfrigérant (13, 13') disposées côté sortie sont orientées sur les cylindres (1, 2).
EP05745164.3A 2004-05-18 2005-05-09 Procede et dispositif de refrigeration et/ou de lubrification de cylindres et/ou de produits lamines Not-in-force EP1750864B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004025058A DE102004025058A1 (de) 2004-05-18 2004-05-18 Verfahren und Vorrichtung zur Kühlung und/oder Schmierung von Walzen und/oder Walzgut
PCT/EP2005/004992 WO2005115651A1 (fr) 2004-05-18 2005-05-09 Procede et dispositif de refrigeration et/ou de lubrification de cylindres et/ou de produits lamines

Publications (3)

Publication Number Publication Date
EP1750864A1 EP1750864A1 (fr) 2007-02-14
EP1750864B1 true EP1750864B1 (fr) 2012-08-29
EP1750864B2 EP1750864B2 (fr) 2016-01-06

Family

ID=34968528

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05745164.3A Not-in-force EP1750864B2 (fr) 2004-05-18 2005-05-09 Procede et dispositif de refrigeration et/ou de lubrification de cylindres et/ou de produits lamines

Country Status (7)

Country Link
US (1) US7690235B2 (fr)
EP (1) EP1750864B2 (fr)
JP (1) JP5525687B2 (fr)
CN (1) CN100528388C (fr)
DE (1) DE102004025058A1 (fr)
RU (1) RU2330737C1 (fr)
WO (1) WO2005115651A1 (fr)

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DE102009053073A1 (de) * 2009-03-03 2010-09-09 Sms Siemag Aktiengesellschaft Verfahren und Kühlvorrichtung zum Kühlen der Walzen eines Walzgerüstes
CN102189126B (zh) * 2010-03-12 2013-09-25 宝山钢铁股份有限公司 一种用于均匀润滑轧机辊缝的喷射装置及喷射方法
JP4823400B1 (ja) * 2010-03-31 2011-11-24 住友金属工業株式会社 熱延鋼板の製造装置及び製造方法
CN101912881A (zh) * 2010-07-27 2010-12-15 大连华锐股份有限公司 轧机轧辊盒式分段冷却装置
WO2013029886A1 (fr) 2011-08-30 2013-03-07 Siemens Vai Metals Technologies Gmbh Laminoir réversible et procédé de fonctionnement d'un laminoir réversible
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CN102513386B (zh) * 2011-12-30 2015-07-22 宝山钢铁股份有限公司 用于屈服强度400MPa以上钢种生产的乳化液喷射方法及***
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EP3238843A1 (fr) 2016-04-29 2017-11-01 Primetals Technologies Austria GmbH Procede de laminage d'un produit de laminage
TWI613015B (zh) * 2016-10-12 2018-02-01 中國鋼鐵股份有限公司 冷軋延裝置用之潤滑油供給設備及其供給方法
EP3308868B1 (fr) 2016-10-17 2022-12-07 Primetals Technologies Austria GmbH Refroidissement d'un rouleau d'une cage de laminoir
KR102408352B1 (ko) * 2017-12-18 2022-06-14 주식회사 포스코 열간압연기의 유압연 장치
RU2761304C1 (ru) 2018-06-13 2021-12-07 Новелис Инк. Системы и способы удаления вязких материалов при обработке металлических изделий
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Also Published As

Publication number Publication date
JP5525687B2 (ja) 2014-06-18
RU2330737C1 (ru) 2008-08-10
RU2006136010A (ru) 2008-04-20
EP1750864A1 (fr) 2007-02-14
US7690235B2 (en) 2010-04-06
CN1956804A (zh) 2007-05-02
EP1750864B2 (fr) 2016-01-06
JP2007537883A (ja) 2007-12-27
WO2005115651A1 (fr) 2005-12-08
US20070210104A1 (en) 2007-09-13
CN100528388C (zh) 2009-08-19
DE102004025058A1 (de) 2005-12-08

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