EP1059127B1 - Entzunderungsverfahren für ein Metallband und hiermit korrespondierende Entzunderungsanordnung - Google Patents

Entzunderungsverfahren für ein Metallband und hiermit korrespondierende Entzunderungsanordnung Download PDF

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Publication number
EP1059127B1
EP1059127B1 EP00112219A EP00112219A EP1059127B1 EP 1059127 B1 EP1059127 B1 EP 1059127B1 EP 00112219 A EP00112219 A EP 00112219A EP 00112219 A EP00112219 A EP 00112219A EP 1059127 B1 EP1059127 B1 EP 1059127B1
Authority
EP
European Patent Office
Prior art keywords
descaling
metal strip
adjusting element
adjusted
unit
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.)
Expired - Lifetime
Application number
EP00112219A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1059127A3 (de
EP1059127A2 (de
Inventor
Matthias Kipping
Peter Sudau
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
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Filing date
Publication date
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP1059127A2 publication Critical patent/EP1059127A2/de
Publication of EP1059127A3 publication Critical patent/EP1059127A3/de
Application granted granted Critical
Publication of EP1059127B1 publication Critical patent/EP1059127B1/de
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
    • B21B45/04—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 de-scaling, e.g. by brushing
    • B21B45/08—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 de-scaling, e.g. by brushing hydraulically
    • 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
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/08—Braking or tensioning arrangements

Definitions

  • a scale layer forms after rolling on the metal strip.
  • This scale layer must be removed in order to produce a high quality metal strip.
  • a descaling liquid usually water, is sprayed onto the metal strip under high pressure by means of a descaling device from a working distance from the metal strip.
  • Metal strips are usually rolled in multi-stand rolling mills. Between the individual rolling stands, the metal strip is acted upon with a train that should be kept as constant as possible. To keep this train constant, a loop lifter (looper) is often arranged between two rolling stands. When the looper is placed against the metal strip, the metal strip is deflected transversely to the transport direction. So that the metal band when deflecting is not abutted against the descaling, the descaling is therefore arranged in the prior art in a relatively large working distance to the metal strip, which is also changed when deflecting the metal strip. This results in a lesser and uneven impact on the metal strip.
  • a loop lifter looper
  • a descaling method is known in which the actual distance of the descaling device is detected by the metal strip and the position of the descaling device is controlled such that the actual distance is kept substantially constant.
  • a rolling apparatus in which a descaling liquid is sprayed from a below the rolling belt fixed nozzle and a movable above the rolling rod nozzle on the rolled strip in front of a rolling mill.
  • the distance of the upper nozzle is constant.
  • the distance is slightly changed since the nozzle is attached to a device which moves along during the deflection.
  • the lower nozzle is stationary.
  • the spray nozzles are arranged in a frame having horizontal parts, a part of which is arranged above and a part below the metal strip.
  • the horizontal parts are connected by vertical parts and form a frame.
  • This is attached by means of arms to a hollow shaft which in turn is rotatably mounted in bearings, which are attached to the rolling mill stands.
  • the nozzles are stationary and not adjustable. Due to the closed frame adjustments of distance and spraying angle are not possible.
  • the object of the present invention is to provide a Entzu concerningsvon and a corresponding thereto Entzu concerningsan extract, in which easily the above-mentioned disadvantages are avoided and an adjustment of the descaling devices to the surfaces of the metal strip is possible, so that a better impact can be achieved.
  • FIG. 1 shows a section of a multi-stand hot rolling mill for a metal strip 1, here steel strip.
  • the steel strip 1 is according to FIG. 1 guided in a transport direction x from a front rolling stand 2 via a positioning element 3 to a rear rolling stand 4.
  • a descaling 5 is arranged between the front roll stand 2 and the Anstellelement 3 .
  • the descaling device 5 has an upper descaling unit 6 and a lower descaling unit 7.
  • a descaling liquid 8 in this case water, is sprayed onto the steel strip 1 from an upper or lower working distance a, b at a spray angle X, Y.
  • the spray angle X or Y is measured relative to the steel strip 1.
  • the positioning element 3 is adjustable by a pivot angle ⁇ and thereby adjustable to the steel strip 1. So it works as a looper.
  • the steel strip 1 is deflected in the amount of descaling 5 by a positive displacement transverse to the transport direction x.
  • An adjustment of the Anstellelements 3 takes place in particular to maintain a train in the metal strip 1 and / or to temporarily store a part length of the metal strip 1. Both can z. B. due to mass flow disturbances between the rolling stands 2, 4 may be required.
  • the positioning element 3 is coupled via a control device 9 with the descaling device 5 control technology.
  • the control device 9 are nominal working distances a *, b * can be specified, so that the control device 9, the descaling units 6, 7 and thus also the descaling 5 according to the force caused by the Anstellelement 3 forced deflection can track such that the working distances a *, b * im be adhered to.
  • the actual working distances a, b are thus kept substantially constant despite the positive displacement caused by the adjustment of the adjusting element 3.
  • the change of the actual working distances a, b always takes place in the same direction.
  • the descaling units 6, 7 are therefore preferably coupled to one another such that both are tracked simultaneously in accordance with the deflection.
  • the spray angle X, Y under which the Entzu concerningswashkeit 8 is sprayed onto the steel strip 1, has an influence on the effectiveness of descaling.
  • the descaling units 6, 7 are adjusted in accordance with the forced deflection such that the spray angles X, Y are kept substantially constant.
  • the descaling units 6, 7 are adjusted purely translationally.
  • the tracking of the spray angles X, Y can be effected by a suitable mechanical coupling (eg a linkage or a gear) or by a further adjustment of the descaling units 6, 7. It is also possible to direct the descaling units 6, 7 in articulation points, so that they perform a rotational movement when adjusting. With a suitable choice of the hinge points, the spray angles X, Y can be corrected automatically in this case.
  • FIG. 2 the tracking of the descaling units 6, 7 via hydraulic cylinder devices 11 takes place.
  • other adjusting devices eg. As electric or hydraulic motors can be used.
  • a direct mechanical coupling of the adjusting element 3 with the descaling 6, 7 is possible.
  • the descaling units 6, 7 according to the FIGS. 1 and 2 Liquid catcher 6 ', 7' assigned.
  • the lower liquid trap 7 'assigned to the lower descaling unit 7 is rigidly connected to the lower descaling unit 7.
  • the upper liquid trap 7 'assigned to the upper descaling unit 6 is mounted in a pivot point 10. It is tracked together with the upper descaling unit 6 in accordance with the positive deflection caused by the adjusting element 3.
  • the descaling units 6, 7 are held to the steel strip 1 during the entire descaling process to as short and constant actual working distances a, b as possible. This results in a nearly optimal and in particular also almost constant so-called impact.
  • the descaling process is further optimized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Metal Rolling (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Basic Packing Technique (AREA)
EP00112219A 1999-06-07 2000-06-07 Entzunderungsverfahren für ein Metallband und hiermit korrespondierende Entzunderungsanordnung Expired - Lifetime EP1059127B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19925809A DE19925809A1 (de) 1999-06-07 1999-06-07 Entzunderungsverfahren für ein Metallband und hiermit korrespondierende Entzunderungsanordnung
DE19925809 1999-06-07

Publications (3)

Publication Number Publication Date
EP1059127A2 EP1059127A2 (de) 2000-12-13
EP1059127A3 EP1059127A3 (de) 2003-10-22
EP1059127B1 true EP1059127B1 (de) 2010-03-24

Family

ID=7910361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00112219A Expired - Lifetime EP1059127B1 (de) 1999-06-07 2000-06-07 Entzunderungsverfahren für ein Metallband und hiermit korrespondierende Entzunderungsanordnung

Country Status (10)

Country Link
US (1) US6295852B1 (ja)
EP (1) EP1059127B1 (ja)
JP (1) JP2001001029A (ja)
KR (1) KR100632133B1 (ja)
AT (1) ATE461761T1 (ja)
BR (1) BR0002593A (ja)
CA (1) CA2310796C (ja)
DE (2) DE19925809A1 (ja)
ES (1) ES2341640T3 (ja)
MX (1) MXPA00005616A (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7448244B2 (en) * 2002-08-27 2008-11-11 Jfe Steel Corporation Process for producing hot-rolled steel strip and apparatus therefor
DE10339191A1 (de) * 2003-08-22 2005-03-17 Sms Demag Ag Coilbox zwischen Vorstraße und Fertigstraße im Warmwalzwerk
US7077724B1 (en) 2005-06-06 2006-07-18 The Material Works, Ltd. Sheet metal scale removing water jet process
US8062095B2 (en) * 2006-09-14 2011-11-22 The Material Works, Ltd. Method of producing rust inhibitive sheet metal through scale removal with a slurry blasting descaling cell having improved grit flow
US8128460B2 (en) * 2006-09-14 2012-03-06 The Material Works, Ltd. Method of producing rust inhibitive sheet metal through scale removal with a slurry blasting descaling cell
US8066549B2 (en) * 2006-09-14 2011-11-29 The Material Works, Ltd. Method of producing rust inhibitive sheet metal through scale removal with a slurry blasting descaling cell having improved grit flow
JP4307503B2 (ja) * 2007-12-21 2009-08-05 パナソニック株式会社 電池缶およびその製造方法、ならびに電池
DE102012214298A1 (de) 2012-08-10 2014-02-13 Sms Siemag Ag Verfahren zur Reinigung und/oder Entzunderung einer Bramme oder eines Vorbandes mittels eines Zunderwäschers und Zunderwäscher
CN112122371B (zh) * 2019-06-25 2022-08-12 上海梅山钢铁股份有限公司 一种高压水除磷机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3518736A (en) * 1968-07-29 1970-07-07 Gen Electric Rolling mill descaling device
US3811305A (en) * 1972-10-10 1974-05-21 Bethlehem Steel Corp Movable descaler spray header
EP0010966B1 (en) * 1978-11-03 1982-10-06 DAVY McKEE (SHEFFIELD) LIMITED Tandem rolling mill
JPH0446625A (ja) * 1990-06-12 1992-02-17 Kawasaki Steel Corp 圧延材の脱スケール方法ならびにその装置
AUPM826394A0 (en) * 1994-09-20 1994-10-13 Bhp Steel (Jla) Pty Limited Descaling metal strip
DE19535789C2 (de) * 1995-09-26 1997-09-11 Hermetik Hydraulik Ab Einrichtung zum Entzundern von Halbzeugen
CN1087665C (zh) * 1996-03-04 2002-07-17 三菱重工业株式会社 热轧设备
JPH10249408A (ja) * 1997-03-13 1998-09-22 Nippon Steel Corp ステンレス鋼板の製造装置
DE19817002A1 (de) * 1998-04-17 1999-10-21 Schloemann Siemag Ag Einrichtung zum Entzundern von Halbzeugen
DE19900427A1 (de) * 1999-01-08 2000-07-13 Sms Demag Ag Verfahren und Vorrichtung zum Entzundern einer Oszillationsmarken aufweisenden Oberfläche eines Gußstranges aus einer Stranggießanlage

Also Published As

Publication number Publication date
EP1059127A3 (de) 2003-10-22
ATE461761T1 (de) 2010-04-15
ES2341640T3 (es) 2010-06-24
US6295852B1 (en) 2001-10-02
DE50015893D1 (de) 2010-05-06
DE19925809A1 (de) 2000-12-14
KR20010007192A (ko) 2001-01-26
KR100632133B1 (ko) 2006-10-11
CA2310796A1 (en) 2000-12-07
CA2310796C (en) 2010-08-17
MXPA00005616A (es) 2002-07-22
BR0002593A (pt) 2001-01-02
EP1059127A2 (de) 2000-12-13
JP2001001029A (ja) 2001-01-09

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