EP1802406A1 - Verfahren und vorrichtung zum reinigen von walzen - Google Patents
Verfahren und vorrichtung zum reinigen von walzenInfo
- 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
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 230000004913 activation Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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)
Description
Claims
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 (de) | 2004-10-06 | 2005-09-12 | Verfahren und vorrichtung zum reinigen von walzen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1802406A1 true EP1802406A1 (de) | 2007-07-04 |
EP1802406B1 EP1802406B1 (de) | 2009-07-01 |
EP1802406B2 EP1802406B2 (de) | 2012-06-13 |
Family
ID=35266847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05786743A Not-in-force EP1802406B2 (de) | 2004-10-06 | 2005-09-12 | Verfahren und vorrichtung zum reinigen von walzen |
Country Status (8)
Country | Link |
---|---|
US (1) | US20080023043A1 (de) |
EP (1) | EP1802406B2 (de) |
JP (1) | JP4838252B2 (de) |
CN (1) | CN100540166C (de) |
AT (1) | ATE435074T1 (de) |
DE (2) | DE102004048619A1 (de) |
RU (1) | RU2333809C2 (de) |
WO (1) | WO2006037430A1 (de) |
Families Citing this family (4)
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)
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 |
DE3532045A1 (de) * | 1985-09-09 | 1987-03-19 | Josef Kraenzle | Rotationsduese |
CH675974A5 (de) † | 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 Buschhütten GmbH, 57223 Kreuztal | Walzenkühl- und/oder Schmiervorrichtung für Kaltbandwalzwerke, insbesondere Feinband- und Folienwalzwerke |
WO2002020901A1 (en) * | 2000-09-06 | 2002-03-14 | Metso Paper, Inc. | Method and equipment for cleaning and maintaining rolls |
-
2004
- 2004-10-06 DE DE102004048619A patent/DE102004048619A1/de not_active Withdrawn
-
2005
- 2005-09-12 WO PCT/EP2005/009780 patent/WO2006037430A1/de active Application Filing
- 2005-09-12 JP JP2007535039A patent/JP4838252B2/ja not_active Expired - Fee Related
- 2005-09-12 AT AT05786743T patent/ATE435074T1/de active
- 2005-09-12 RU RU2006138224/02A patent/RU2333809C2/ru not_active IP Right Cessation
- 2005-09-12 DE DE502005007635T patent/DE502005007635D1/de active Active
- 2005-09-12 CN CNB2005800341772A patent/CN100540166C/zh not_active Expired - Fee Related
- 2005-09-12 EP EP05786743A patent/EP1802406B2/de not_active Not-in-force
- 2005-09-12 US US11/664,901 patent/US20080023043A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2006037430A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102004048619A1 (de) | 2006-04-13 |
ATE435074T1 (de) | 2009-07-15 |
WO2006037430A1 (de) | 2006-04-13 |
RU2333809C2 (ru) | 2008-09-20 |
JP4838252B2 (ja) | 2011-12-14 |
RU2006138224A (ru) | 2008-05-10 |
CN100540166C (zh) | 2009-09-16 |
JP2008515636A (ja) | 2008-05-15 |
CN101076412A (zh) | 2007-11-21 |
DE502005007635D1 (de) | 2009-08-13 |
EP1802406B2 (de) | 2012-06-13 |
EP1802406B1 (de) | 2009-07-01 |
US20080023043A1 (en) | 2008-01-31 |
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