EP1059127A2 - Procédé de décalaminage pour und bande métallique et dispositif de décalaminage correspondant - Google Patents

Procédé de décalaminage pour und bande métallique et dispositif de décalaminage correspondant Download PDF

Info

Publication number
EP1059127A2
EP1059127A2 EP00112219A EP00112219A EP1059127A2 EP 1059127 A2 EP1059127 A2 EP 1059127A2 EP 00112219 A EP00112219 A EP 00112219A EP 00112219 A EP00112219 A EP 00112219A EP 1059127 A2 EP1059127 A2 EP 1059127A2
Authority
EP
European Patent Office
Prior art keywords
descaling
metal strip
adjusting element
liquid
working distance
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
EP00112219A
Other languages
German (de)
English (en)
Other versions
EP1059127A3 (fr
EP1059127B1 (fr
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 Schloemann Siemag AG
Schloemann 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
Application filed by SMS Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Publication of EP1059127A2 publication Critical patent/EP1059127A2/fr
Publication of EP1059127A3 publication Critical patent/EP1059127A3/fr
Application granted granted Critical
Publication of EP1059127B1 publication Critical patent/EP1059127B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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 metal strip in particular a steel strip, forms after the rolling on the metal strip Scale layer.
  • This scale layer must be removed in order to be able to produce a high quality metal band.
  • a descaling device a descaling liquid from a working distance to the metal strip, usually water, under high pressure sprayed onto the metal band.
  • Metal strips are usually used in multi-stand rolling mills rolled.
  • the metal strip is placed between the individual roll stands thereby being subjected to a train that is as constant as possible to be held.
  • a loop lifter between two roll stands (Looper) arranged.
  • the looper When placing the looper on the metal belt the metal band is deflected transversely to the transport direction. So that the metal band is not at the deflection Descaling device triggers, is the descaling device therefore in the prior art in a relatively large Working distance to the metal band arranged, the beyond is changed when the metal strip is deflected. This gives there is less and uneven impact on the Metal strap.
  • a descaling process is known from DE 195 35 789 C2, at which the actual distance of the descaling device gripped by the metal strip and the location of the descaling device is regulated such that the actual distance is essentially is kept constant.
  • the object of the present invention is a Descaling process and a corresponding one Descaling arrangement to create in a simple way a tracking of the descaling device on deflections of the metal strip is possible, so that a better impact is achievable.
  • the task for the descaling process is solved by that the descaling device according to the Forced deflection is tracked so that the working distance is kept substantially constant.
  • the descaling liquid is from an upper one Descaling unit from an upper working distance and from a lower descaling unit from a lower working distance sprayed onto the metal band. Both descaling units are simultaneously according to the forced deflection updated.
  • the descaling liquid is used by the descaling device at an angle of spray relative to the metal strip the metal tape is injected.
  • the efficiency of descaling is depending on the spray angle, among other things.
  • the descaling device becomes like this tracked that the spray angle is essentially constant is held.
  • Figure 1 shows a section of a multi-stand hot rolling mill for a metal band 1, here steel band.
  • the steel strip 1 1 in a transport direction x of one front roll stand 2 via an adjusting element 3 to a rear Roll stand 4 performed.
  • a descaling device 5 Between the front roll stand 2 and the adjusting element 3 is a descaling device 5 arranged.
  • the descaling device 5 has an upper one Descaling unit 6 and a lower descaling unit 7 on. Descaling units 6, 7 become an upper one or lower working distance a, b a descaling liquid 8, here water, at a spray angle X, Y on that Steel strip 1 sprayed.
  • the spray angle X or Y is included measured relative to steel strip 1.
  • the adjusting element 3 is adjustable by a swivel angle ⁇ and thereby adjustable to the steel belt 1. So it works as a looper.
  • the adjustment element 3 is adjusted in particular in order to to maintain a train in the metal strip 1 and / or by one Store part of the length of the metal strip 1. Both can e.g. B. due to mass flow disturbances between the rolling stands 2, 4 may be required.
  • the adjusting element 3 is connected to the Descaling device 5 coupled by control technology.
  • the control device 9 target working distances a *, b * can be specified, so that the control device 9 descaling units 6, 7th and thus the descaling device 5 accordingly the forced deflection caused by the adjusting element 3 in this way can track that the working distances a *, b * essentially be respected.
  • the actual working distances a, b will be in spite of those caused by the setting of the adjusting element 3 Forced deflection kept essentially constant.
  • Descaling units are therefore preferred 6, 7 coupled to one another in terms of control technology, that both tracked simultaneously according to the deflection become.
  • the spray angle X, Y under which the descaling liquid 8 is sprayed onto the steel strip 1, has an influence on the Effectiveness of descaling. For constant descaling to ensure, therefore, the descaling units 6, 7 tracked according to the forced deflection, that the spray angles X, Y are kept substantially constant become.
  • the descaling units 6, 7 adjusted purely translationally. Tracking the Spray angle X, Y can be achieved by a suitable mechanical coupling (e.g. a linkage or a gearbox) or by a causes further descaling units 6, 7 become. It is also possible to use the descaling units 6, 7 in articulation points so that when adjusting a Carry out rotary motion. With a suitable choice of the articulation points in this case, the spray angles X, Y automatically Getting corrected.
  • a suitable mechanical coupling e.g. a linkage or a gearbox
  • the descaling units are updated 6, 7 via hydraulic cylinder devices 11.
  • Hydraulic cylinder devices 11 could also be others Adjustment devices, e.g. B. electric or hydraulic motors used become. Also a direct mechanical coupling of the adjusting element 3 with the descaling units 6, 7 is possible.
  • the descaling units 6, 7 are the descaling units 6, 7 according to the Figures 1 and 2 assigned to liquid scavenger 6 ', 7'.
  • the the lower descaling unit 7 associated lower liquid scavenger 7 ' is rigid with the lower descaling unit 7 connected. That of the upper descaling unit 6 assigned upper liquid catcher 7 ', however, is in one Hinge point 10 stored. It is used together with the upper descaling unit 6 corresponding to that by the adjusting element 3 caused forced deflection.

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 Procédé de décalaminage pour une bande métallique et dispositif de décalaminage correspondant Expired - Lifetime EP1059127B1 (fr)

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 true EP1059127A2 (fr) 2000-12-13
EP1059127A3 EP1059127A3 (fr) 2003-10-22
EP1059127B1 EP1059127B1 (fr) 2010-03-24

Family

ID=7910361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00112219A Expired - Lifetime EP1059127B1 (fr) 1999-06-07 2000-06-07 Procédé de décalaminage pour une bande métallique et dispositif de décalaminage correspondant

Country Status (10)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100639094B1 (ko) * 2002-08-27 2006-10-30 제이에프이 스틸 가부시키가이샤 열연 강대의 제조 방법 및 제조 설비
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
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
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
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1938147A1 (de) * 1968-07-29 1970-02-12 Gen Electric Entzunderungsvorrichtung fuer Walzwerke
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
DE19535789A1 (de) * 1995-09-26 1997-03-27 Hermetik Hydraulik Ab Einrichtung zum Entzundern von Halbzeugen
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
EP1018377A2 (fr) * 1999-01-08 2000-07-12 SMS Demag AG Procédé et dispositif pour le décalaminage d'une surface d'une barre coulée provenant d'une installation de coulée continue, ladite surface présentant des marques d'oscillations

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3811305A (en) * 1972-10-10 1974-05-21 Bethlehem Steel Corp Movable descaler spray header
ATE1622T1 (de) * 1978-11-03 1982-10-15 Davy-Loewy Limited Tandem walzwerk.
AUPM826394A0 (en) * 1994-09-20 1994-10-13 Bhp Steel (Jla) Pty Limited Descaling metal strip
CN1087665C (zh) * 1996-03-04 2002-07-17 三菱重工业株式会社 热轧设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1938147A1 (de) * 1968-07-29 1970-02-12 Gen Electric Entzunderungsvorrichtung fuer Walzwerke
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
DE19535789A1 (de) * 1995-09-26 1997-03-27 Hermetik Hydraulik Ab Einrichtung zum Entzundern von Halbzeugen
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
EP1018377A2 (fr) * 1999-01-08 2000-07-12 SMS Demag AG Procédé et dispositif pour le décalaminage d'une surface d'une barre coulée provenant d'une installation de coulée continue, ladite surface présentant des marques d'oscillations

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 229 (M-1255), 27. Mai 1992 (1992-05-27) -& JP 04 046625 A (KAWASAKI STEEL CORP), 17. Februar 1992 (1992-02-17) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 14, 31. Dezember 1998 (1998-12-31) -& JP 10 249408 A (NIPPON STEEL CORP), 22. September 1998 (1998-09-22) *

Also Published As

Publication number Publication date
KR20010007192A (ko) 2001-01-26
CA2310796C (fr) 2010-08-17
EP1059127A3 (fr) 2003-10-22
CA2310796A1 (fr) 2000-12-07
BR0002593A (pt) 2001-01-02
ATE461761T1 (de) 2010-04-15
DE50015893D1 (de) 2010-05-06
EP1059127B1 (fr) 2010-03-24
DE19925809A1 (de) 2000-12-14
ES2341640T3 (es) 2010-06-24
KR100632133B1 (ko) 2006-10-11
MXPA00005616A (es) 2002-07-22
US6295852B1 (en) 2001-10-02
JP2001001029A (ja) 2001-01-09

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