EP1802406A1 - Procede et dispositif pour nettoyer des cylindres - Google Patents

Procede et dispositif pour nettoyer des cylindres

Info

Publication number
EP1802406A1
EP1802406A1 EP05786743A EP05786743A EP1802406A1 EP 1802406 A1 EP1802406 A1 EP 1802406A1 EP 05786743 A EP05786743 A EP 05786743A EP 05786743 A EP05786743 A EP 05786743A EP 1802406 A1 EP1802406 A1 EP 1802406A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
nozzles
cleaning
roller
rolls
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
EP05786743A
Other languages
German (de)
English (en)
Other versions
EP1802406B1 (fr
EP1802406B2 (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 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35266847&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1802406(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SMS Demag AG filed Critical SMS Demag 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
Anticipated expiration legal-status Critical

Links

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

  • the invention relates to a method and an apparatus for cleaning rolls and / or rolls, for example, work rolls in a rolling stand, which are used in the production of rolling stock such as strips or slabs, wherein a liquid is heated under high pressure via several nozzles the rollers / the rollers is sprayed on.
  • Rollers and / or rollers are used in many plant areas. This leads to contamination on the surfaces, which must be removed in time intervals or continuously.
  • US Pat. No. 5,460,023 describes a method and an apparatus for cleaning rolls with a multiplicity of nozzles, which are arranged on a nozzle beam.
  • the nozzle beam is moved axially. Each single nozzle passes over the shell of the roller over a predetermined distance.
  • the axial movement The nozzle beam is generated, for example, by a hydraulic cylinder.
  • EP 0 995 504 B1 discloses a process for cleaning rolls and / or rolls in strip casting plants, rolling mills and / or strip processing lines, in particular tempering plants or similar re-rolling plants, for producing and / or treating metal strips, according to which US Pat Rollers and / or rollers are each acted upon by means of at least one cleaning nozzle with uss ⁇ liquid, the distance to the roll shell or Rol ⁇ lenmantel the roll or roll concerned is set or regulated to a predetermined amount and then the cleaning nozzle along the roll or roll with a traversing speed which is set or regulated as a function of the belt speed and / or the strip material and / or the strip surface is regulated.
  • 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 cleaning liquid by means of a movable supply or supply line. Furthermore, mobile wiring is necessary.
  • the Traver ⁇ sier Anthony is elaborately controlled, as is the distance between the nozzles of the rollers to be cleaned.
  • the invention is therefore based on the object of specifying a method and a device for cleaning rollers / rollers, which is simpler in the course or in construction and wherein the cleaning effect is increased and the prevention of surface damage.
  • the invention also relates to a device for carrying out the method. Further embodiments of the device will become apparent from the dependent claims.
  • 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 roll 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 demineralized water consumption of 11 l / min per nozzle and a sequential activation of two x two nozzles above the rolling stock and two x two nozzles below the rolling stock, a total volume flow of approx. 90 l / min results.
  • a cleaning interval is determined by two revolutions of the roller / roller per pair of nozzles, with the nozzle (s) in the nozzle bar just cleaning the second revolution of the roller / roller and then switched off and the nozzles (n + 1) just in the first turn have 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 with a diameter of 440 mm about 3 m.
  • the total length of the rolling stock during cleaning is approximately 37 m.
  • Fig. 1 shows the timing of a Düsenbeetzhausung
  • Fig. 2 is an illustration of a spray pattern.
  • 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 D 1 of the nozzle bar 10 (see FIG. 2) is first opened at a time t 1. After a predetermined period of time, at a time t2, the nozzle D2 arranged to the right of the nozzle D1 additionally becomes open.
  • 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 ball edge 9 of the work roll 5 has been 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 actuated 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)
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 true EP1802406A1 (fr) 2007-07-04
EP1802406B1 EP1802406B1 (fr) 2009-07-01
EP1802406B2 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
WO2009156598A1 (fr) * 2008-06-27 2009-12-30 Siemens Vai Metals Technologies Sas Dispositif de nettoyage d' un cylindre d' un laminoir
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

Family Cites Families (17)

* 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
CH675974A5 (fr) † 1987-10-23 1990-11-30 Lauener Eng Ag
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
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
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
JP3039895B2 (ja) † 1992-10-08 2000-05-08 新日本製鐵株式会社 ワークロール表面洗浄法
SE510460C2 (sv) * 1997-09-24 1999-05-25 Grafic Team International Swed Sätt och anordning för rengöring av en gummiklädd cylinder i en offsetpress
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
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
AU2001285973A1 (en) * 2000-09-06 2002-03-22 Metso Paper Inc. Method and equipment for cleaning and maintaining rolls

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006037430A1 *

Also Published As

Publication number Publication date
JP2008515636A (ja) 2008-05-15
CN100540166C (zh) 2009-09-16
DE502005007635D1 (de) 2009-08-13
EP1802406B1 (fr) 2009-07-01
JP4838252B2 (ja) 2011-12-14
RU2006138224A (ru) 2008-05-10
WO2006037430A1 (fr) 2006-04-13
US20080023043A1 (en) 2008-01-31
ATE435074T1 (de) 2009-07-15
CN101076412A (zh) 2007-11-21
DE102004048619A1 (de) 2006-04-13
EP1802406B2 (fr) 2012-06-13
RU2333809C2 (ru) 2008-09-20

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