EP1802406B2 - Procede et dispositif pour nettoyer des cylindres - Google Patents

Procede et dispositif pour nettoyer des cylindres Download PDF

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Publication number
EP1802406B2
EP1802406B2 EP05786743A EP05786743A EP1802406B2 EP 1802406 B2 EP1802406 B2 EP 1802406B2 EP 05786743 A EP05786743 A EP 05786743A EP 05786743 A EP05786743 A EP 05786743A EP 1802406 B2 EP1802406 B2 EP 1802406B2
Authority
EP
European Patent Office
Prior art keywords
nozzle
nozzles
rolls
cleaning
rollers
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
EP05786743A
Other languages
German (de)
English (en)
Other versions
EP1802406B1 (fr
EP1802406A1 (fr
Inventor
Andreas Gramer
Peter De Kock
Rolf Brisberger
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
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Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP1802406A1 publication Critical patent/EP1802406A1/fr
Publication of EP1802406B1 publication Critical patent/EP1802406B1/fr
Application granted granted Critical
Publication of EP1802406B2 publication Critical patent/EP1802406B2/fr
Not-in-force 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
    • B21B28/00—Maintaining rolls or rolling equipment in effective condition
    • B21B28/02—Maintaining rolls in effective condition, e.g. reconditioning
    • B21B28/04—Maintaining rolls in effective condition, e.g. reconditioning while in use, e.g. polishing or grinding while the rolls are in their stands

Definitions

  • Rollers and / or rollers are used in many plant areas. It comes to the surfaces to contamination, which must be removed at intervals or continuously.
  • US Pat. No. 5,460,023 describes a method and apparatus for cleaning rolls with a plurality of nozzles arranged on a nozzle bar. For better cleaning of the entire surface of a roller of the nozzle bar is moved axially. Each single nozzle passes over the shell of the roller over a predetermined distance. The axial movement of the nozzle bar is generated for example by a hydraulic cylinder.
  • From the EP 0 995 504 B1 is a method for cleaning rolls and / or rolls in strip casting, rolling mills and / or strip processing lines, in particular tempering or similar Nachwalzwerken known, for the production and / or treatment of metal strips, after which the rollers and / or rollers by means of at least one cleaning nozzle with Cleaning liquid are applied, the distance to the roll shell or roller shell of the respective roller or roller is set or regulated to a predetermined amount and then the cleaning nozzle along the respective roller or roller with a function of the belt speed and / or the belt material and / or the Belt surface adjusted or regulated traversing speed.
  • one or more nozzles is moved along the roller. That the nozzle or the nozzles are arranged, for example, on a traversing chassis with carriages, each nozzle having to be supplied with a mobile supply or supply line with cleaning fluid. Furthermore, mobile wiring is necessary.
  • the traversing speed is elaborately controlled, as is the distance between the nozzles and the rollers to be cleaned.
  • the invention also relates to a device for carrying out the method. Further embodiments of the device will become apparent from the relevant subclaims.
  • the decisive advantage of the method according to the invention is that no mechanical movement takes place in the roll longitudinal direction and therefore no cable towing devices for the supply lines are necessary.
  • the electrical system is reduced to the on and off of the nozzle bar and the switching on / off of the individual nozzles.
  • a 100% loading of the roll or roller circumference takes place at a cleaning interval, so that no dirt spirals occur.
  • Each cleaning interval starts at the same roller or roller end; the time interval for each cleaning is the same.
  • a nozzle rotation angle of 17 °. and a circular area with 60 mm diameter is the necessary distance to the roll shell around 200 mm. If 50 mm diameter is used effectively, then with a max. Bandwidth of 2100 mm per nozzle bar 42 nozzles to consider. With an interconnection of two nozzles via a valve 21 switching valves are required. The arrangement of the nozzles may have an offset in a preferred embodiment. With a VE water consumption of 11 l / min per nozzle and a sequential control of two x two nozzles above the rolling stock and two x two nozzles below the rolling stock results in a total volume flow of about 90 l / min.
  • a cleaning interval is determined by two revolutions of the roller / roller per pair of nozzles, wherein the nozzles (n) in the nozzle bar are just cleaning the second revolution of the roller / roller and then turned off and the nozzles (n + 1) are just in the first revolution started to clean the roller / roller. If the nozzles (n) are switched off, the nozzles (n + 2) are switched on.
  • the length of the rolling stock is about 4 m per nozzle sequence, with a diameter of 560 mm about 3.5 m and a diameter of 440 mm about 3 m.
  • the total length of the rolling stock during the cleaning results in about 37 m.
  • FIG. 1 the timing of a Düsenbeetzung when cleaning a roller / roller is shown.
  • a rolling stock for example a metal strip 1, having a width 2 has a left edge 3 and a right edge 4.
  • a work roll 5 (see FIG. 2 ) has a length which is greater than the width of the metal strip, so that the edge regions 6, 7 of the work roll have no contact with the metal strip 1.
  • the work roll 5 has a left bale edge 8 and a right bale edge 9.
  • the left nozzle D1 of the nozzle bar 10 is opened at a time t1.
  • the nozzle D2 arranged to the right of the nozzle D1 is additionally opened at a time t2.
  • the nozzle D1 is switched off at a time t3 and the next following nozzle D3 is opened. This process is repeated until the right bale edge 9 of the work roll 5 is reached.
  • the next cleaning interval can be done directly afterwards by opening the nozzle D1 and then the nozzle D2.
  • the next cleaning interval takes place with a time delay.
  • This delay can be automatic and have a same time period.
  • FIG. 2 shows a nozzle bar 10 with ten nozzles (D1 - D10).
  • the spray pattern 11 of the nozzle D1 overlaps with the spray pattern 12 of the nozzle D2 in a region 13.
  • the following nozzles show the same overlap.
  • adjacent nozzles D1, D2, for example, offset in the nozzle bar 10 are used.
  • Each nozzle D1 or each nozzle pair D1, D2 is controlled via valves (not shown).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Claims (17)

  1. Procédé pour le nettoyage de cylindres et/ou de rouleaux, par exemple de cylindres de travail (5) dans une cage de laminage, qui sont utilisés lors de la fabrication d'un produit laminé (1), tel que des bandes ou des brames, où, via plusieurs pulvérisateurs D1-Dn, un liquide est pulvérisé sous haute pression sur les cylindres et/ou les rouleaux, caractérisé
    en ce qu'on dispose un certain nombre de pulvérisateurs (D1-Dn) de manière stationnaire dans et/ou sur une poutre de pulvérisateurs (10), chaque pulvérisateur (D1-Dn) est associé à au moins une soupape de commutation et un pulvérisateur (D1-Dn) ou plusieurs pulvérisateurs (D1-Dn), partant d'une extrémité de la poutre de pulvérisateurs, est/sont mis en route et arrêté(s) séquentiellement.
  2. Procédé selon la revendication 1, caractérisé
    en ce qu'on met en route à chaque fois un pulvérisateur (D1-Dn).
  3. Procédé selon la revendication 1, caractérisé
    en ce qu'on met en route à chaque fois deux pulvérisateurs (D1-Dn) adjacents.
  4. Procédé selon la revendication 1, caractérisé
    en ce qu'après avoir atteint l'extrémité opposée du cylindre/rouleau, l'intervalle de nettoyage suivant démarre immédiatement.
  5. Procédé selon la revendication 4, caractérisé
    en ce que l'intervalle de nettoyage suivant est réalisé de manière retardée dans le temps.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé
    en ce que les pulvérisateurs (D1-Dn) sont commutés en fonction de la vitesse de laminage.
  7. Dispositif pour le nettoyage de cylindres et/ou de rouleaux, par exemple de cylindres de travail (5) dans une cage de laminage, qui sont utilisés lors de la fabrication d'un produit laminé (1), tel que des bandes ou des brames, où plusieurs pulvérisateurs (D1-Dn) sont disposés pour pulvériser un liquide sous haute pression sur les cylindres et/ou les rouleaux, pour la réalisation d'un procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'on dispose est un certain nombre de pulvérisateurs (D1-Dn) de manière stationnaire dans et/ou sur une poutre de pulvérisateurs (10) et en ce qu'au moins une soupape est associée à chaque pulvérisateur (D1-Dn).
  8. Dispositif selon la revendication 7, caractérisé
    en ce que le pulvérisateur (D1-Dn) est un pulvérisateur rotatif.
  9. Dispositif selon la revendication 7 ou 8, caractérisé
    en ce que la poutre de pulvérisateurs (10) est disposée au-dessus du produit à laminer (1).
  10. Dispositif selon la revendication 7 ou 8, caractérisé
    en ce que la poutre de pulvérisateurs (10) est disposée au-dessous du produit à laminer (1).
  11. Dispositif selon l'une quelconque des revendications 7 à 10, caractérisé
    en ce que la poutre de pulvérisateurs (10) présente une longueur supérieure à celle des cylindres/des rouleaux (5).
  12. Dispositif selon l'une quelconque des revendications 7 à 11, caractérisé
    en ce que les pulvérisateurs (D1-Dn) sont disposés de manière décalée en deux rangées parallèles.
  13. Dispositif selon l'une quelconque des revendications 7 à 12, caractérisé
    en ce que l'alimentation des pulvérisateurs (D1-Dn) est réalisée de manière centrale via une conduite de liquide sous pression.
  14. Dispositif selon l'une quelconque des revendications 7 à 13, caractérisé
    en ce que des dispositifs de recouvrement sont fixés sur la poutre de pulvérisateurs (10).
  15. Dispositif selon la revendication 13, caractérisé
    en ce que plusieurs pulvérisateurs (D1-Dn), en particulier des pulvérisateurs adjacents (D1-Dn) sont raccordés simultanément de manière ouverte au moyen de leurs soupapes associées avec la conduite de liquide sous pression.
  16. Dispositif selon l'une quelconque des revendications 7 à 15, caractérisé par un dispositif de commande pour la commande par cycles ou séquentielle des soupapes conformément à des intervalles de nettoyage prédéterminés.
  17. Dispositif selon l'une quelconque des revendications 7 à 15, caractérisé par un dispositif de commande pour la commande par cycles ou séquentielle des soupapes en fonction de la vitesse de laminage.
EP05786743A 2004-10-06 2005-09-12 Procede et dispositif pour nettoyer des cylindres Not-in-force EP1802406B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004048619A DE102004048619A1 (de) 2004-10-06 2004-10-06 Verfahren und Vorrichtung zum Reinigen von Walzen
PCT/EP2005/009780 WO2006037430A1 (fr) 2004-10-06 2005-09-12 Procede et dispositif pour nettoyer des cylindres

Publications (3)

Publication Number Publication Date
EP1802406A1 EP1802406A1 (fr) 2007-07-04
EP1802406B1 EP1802406B1 (fr) 2009-07-01
EP1802406B2 true EP1802406B2 (fr) 2012-06-13

Family

ID=35266847

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05786743A Not-in-force EP1802406B2 (fr) 2004-10-06 2005-09-12 Procede et dispositif pour nettoyer des cylindres

Country Status (8)

Country Link
US (1) US20080023043A1 (fr)
EP (1) EP1802406B2 (fr)
JP (1) JP4838252B2 (fr)
CN (1) CN100540166C (fr)
AT (1) ATE435074T1 (fr)
DE (2) DE102004048619A1 (fr)
RU (1) RU2333809C2 (fr)
WO (1) WO2006037430A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2442267T3 (es) * 2008-06-27 2014-02-10 Siemens Vai Metals Technologies Sas Dispositivo de limpieza de un cilindro de un laminador
CN102358031A (zh) * 2011-07-25 2012-02-22 湖北富思特材料科技集团有限公司 纵向拉伸机的清洁方法
CN102343339B (zh) * 2011-10-19 2013-08-14 首钢总公司 一种消除带钢表面光整机螺旋状辊印的方法及装置
CN102615059B (zh) * 2012-03-27 2014-03-05 宝山钢铁股份有限公司 平整机用高压水枪清洗方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH675974A5 (fr) † 1987-10-23 1990-11-30 Lauener Eng Ag
JPH05146816A (ja) † 1991-11-28 1993-06-15 Nisshin Steel Co Ltd 熱間圧延設備のスタンド内洗浄方法
JPH06114418A (ja) † 1992-10-08 1994-04-26 Nippon Steel Corp ワークロール表面洗浄法
DE19848174A1 (de) † 1998-10-20 2000-05-04 Bwg Bergwerk Walzwerk Verfahren und Vorrichtung zum Reinigen von Walzen und/oder Rollen in Bandgießanlagen, Walzwerken und/oder Bandprozeßlinien, insbesondere Dressierwerken o. dgl. Nachwalzwerken

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373909A (en) * 1981-11-23 1983-02-15 Allis-Chalmers Corporation Gas injecting kiln shell nozzle with particle entry barriers
US4648533A (en) * 1983-09-14 1987-03-10 Progressive Assembly Machine Co., Inc. Fluid dispensing system
DE8525639U1 (de) * 1985-09-09 1986-01-02 Kränzle, Josef, 7918 Illertissen Rotationsdüse
US4932232A (en) * 1988-05-20 1990-06-12 Alcan Aluminum Corporation Methods of detecting and correcting spray header malfunctions
JPH01293912A (ja) * 1988-05-20 1989-11-27 Daido Steel Co Ltd 圧延ロールにおける錆取方法および装置
US5212975A (en) * 1991-05-13 1993-05-25 International Rolling Mill Consultants, Inc. Method and apparatus for cooling rolling mill rolls and flat rolled products
JPH0569028A (ja) * 1991-09-12 1993-03-23 Kawasaki Steel Corp 調質圧延装置
US5460023A (en) * 1991-09-13 1995-10-24 International Rolling Mill Consultants Inc. Roll surface restoration system and method
JPH06106213A (ja) * 1992-09-30 1994-04-19 Kawasaki Steel Corp 冷間圧延ミル出側ロールの寿命延長方法
SE510460C2 (sv) * 1997-09-24 1999-05-25 Grafic Team International Swed Sätt och anordning för rengöring av en gummiklädd cylinder i en offsetpress
JP2000271615A (ja) * 1999-03-24 2000-10-03 Kawasaki Steel Corp ワークロール洗浄方法および装置
DE20006508U1 (de) * 2000-04-08 2000-08-31 Achenbach Buschhuetten Gmbh Walzenkühl- und/oder Schmiervorrichtung für Kaltbandwalzwerke, insbesondere Feinband- und Folienwalzwerke
DE10196534T1 (de) * 2000-09-06 2003-07-31 Metso Paper Inc Verfahren und Ausrüstung zur Reinigung und Instandhaldung von Walzen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH675974A5 (fr) † 1987-10-23 1990-11-30 Lauener Eng Ag
JPH05146816A (ja) † 1991-11-28 1993-06-15 Nisshin Steel Co Ltd 熱間圧延設備のスタンド内洗浄方法
JPH06114418A (ja) † 1992-10-08 1994-04-26 Nippon Steel Corp ワークロール表面洗浄法
DE19848174A1 (de) † 1998-10-20 2000-05-04 Bwg Bergwerk Walzwerk Verfahren und Vorrichtung zum Reinigen von Walzen und/oder Rollen in Bandgießanlagen, Walzwerken und/oder Bandprozeßlinien, insbesondere Dressierwerken o. dgl. Nachwalzwerken

Also Published As

Publication number Publication date
CN100540166C (zh) 2009-09-16
CN101076412A (zh) 2007-11-21
JP2008515636A (ja) 2008-05-15
DE502005007635D1 (de) 2009-08-13
US20080023043A1 (en) 2008-01-31
WO2006037430A1 (fr) 2006-04-13
EP1802406B1 (fr) 2009-07-01
JP4838252B2 (ja) 2011-12-14
DE102004048619A1 (de) 2006-04-13
RU2333809C2 (ru) 2008-09-20
RU2006138224A (ru) 2008-05-10
ATE435074T1 (de) 2009-07-15
EP1802406A1 (fr) 2007-07-04

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