EP1059127A2 - Entzunderungsverfahren für ein Metallband und hiermit korrespondierende Entzunderungsanordnung - Google Patents
Entzunderungsverfahren für ein Metallband und hiermit korrespondierende Entzunderungsanordnung Download PDFInfo
- 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
Links
- 239000002184 metal Substances 0.000 title claims abstract description 52
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 239000002516 radical scavenger Substances 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
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.
Abstract
Description
- wobei das Metallband in einer Transportrichtung von einem vorderen zu einem hinteren Walzgerüst geführt wird,
- wobei zwischen den Walzgerüsten von einer Entzunderungseinrichtung aus einem Arbeitsabstand zum Metallband eine Entzunderungsflüssigkeit auf das Metallband gespritzt wird,
- wobei das Metallband in Höhe der Entzunderungseinrichtung von einem Anstellelement um eine Zwangsauslenkung quer zur Transportrichtung ausgelenkt wird,
- Figur 1
- eine Entzunderungsanordnung und
- Figur 2
- ein Detail von Figur 1.
- 1
- Stahlband/Metallband
- 2, 4
- Walzgerüste
- 3
- Anstellelement
- 5
- Entzunderungseinrichtung
- 6, 7
- Entzunderungseinheiten
- 6', 7'
- Flüssigkeitsfänger
- 8
- Entzunderungsflüssigkeit
- 9
- Regeleinrichtung
- 10
- Gelenkpunkt
- 11
- Hydraulikzylindereinrichtungen
- a, a*, b, b*
- Arbeitsabstände
- x
- Transportrichtung
- X, Y
- Spritzwinkel
- α
- Schwenkwinkel
Claims (12)
- Entzunderungsverfahren für ein Metallband (1),wobei das Metallband (1) in einer Transportrichtung (x) von einem vorderen zu einem hinteren Walzgerüst (2, 4) geführt wird,wobei zwischen den Walzgerüsten (2, 4) von einer Entzunderungseinrichtung (5) aus einem Arbeitsabstand (a, b) zum Metallband (1) eine Entzunderungsflüssigkeit (8) auf das Metallband (1) gespritzt wird,wobei das Metallband (1) in Höhe der Entzunderungseinrichtung (5) von einem Anstellelement (3) um eine Zwangsauslenkung quer zur Transportrichtung (x) ausgelenkt wird,wobei die Entzunderungseinrichtung (5) entsprechend der Zwangsauslenkung nachgeführt wird, so daß der Arbeitsabstand (a, b) im wesentlichen konstant gehalten wird.
- Entzunderungsverfahren nach Anspruch 1,
dadurch gekennzeichnet,daß das Anstellelement (3) zwischen den Walzgerüsten (2, 4) an das Metallband (1) angestellt wird. - Entzunderungsverfahren nach Anspruch 2,
dadurch gekennzeichnet,daß das Anstellelement (3) zum Auslenken des Metallbandes (1) um einen Schwenkwinkel (α) verstellt wird. - Entzunderungsverfahren nach einem der obigen Ansprüche,
dadurch gekennzeichnet,daß die Entzunderungsflüssigkeit (8) von einer oberen Entzunderungseinheit (6) aus einem oberen Arbeitsabstand (a) und von einer unteren Entzunderungseinheit (7) aus einem unteren Arbeitsabstand (b) auf das Metallband (1) gespritzt wird und daß beide Entzunderungseinheiten (6, 7) simultan entsprechend der Zwangsauslenkung nachgeführt werden. - Entzunderungsverfahren nach einem der obigen Ansprüche,
dadurch gekennzeichnet,daß die Entzunderungsflüssigkeit (8) von der Entzunderungseinrichtung (5) unter einem Spritzwinkel (X, Y) relativ zum Metallband (1) auf das Metallband (1) gespritzt wird und daß die Entzunderungseinrichtung (5) derart nachgeführt wird, daß der Spritzwinkel (X, Y) im wesentlichen konstant gehalten wird. - Entzunderungsverfahren nach einem der obigen Ansprüche,
dadurch gekennzeichnet,daß die Entzunderungseinrichtung (5) mittels einer Hydraulikzylindereinrichtung (11) nachgeführt wird. - Entzunderungsanordnung für ein Metallband (1),mit einem vorderen und einem hinteren Walzgerüst (2, 4), zwischen denen das Metallband (1) in einer Transportrichtung (x) führbar ist,mit einer zwischen den Walzgerüsten (2, 4) in einem Arbeitsabstand (a, b) zum Metallband (1) angeordneten Entzunderungseinrichtung (5), von der eine Entzunderungsflüssigkeit (8) auf das Metallband (1) spritzbar ist,mit einem Anstellelement (3), von dem das Metallband (1) in Höhe der Entzunderungseinrichtung (5) um eine Zwangsauslenkung quer zur Transportrichtung (x) auslenkbar ist,mit einer regeltechnischen Kopplung zwischen der Entzunderungseinrichtung (5) und dem Anstellelement (3), so daß die Entzunderungseinrichtung (5) entsprechend der Zwangsauslenkung nachführbar ist.
- Entzunderungsanordnung nach Anspruch 7,
dadurch gekennzeichnet,daß das Anstellelement (3) zwischen den Walzgerüsten (2, 4) angeordnet ist. - Entzunderungsanordnung nach Anspruch 8,
dadurch gekennzeichnet,daß das Anstellelement (3) als um einen Schwenkwinkel (α) verstellbarer Looper (3) ausgebildet ist. - Entzunderungsanordnung nach Anspruch 7, 8 oder 9,
dadurch gekennzeichnet,daß die Entzunderungseinrichtung (5) eine obere und eine untere Entzunderungseinheit (6, 7) aufweist, von denen die Entzunderungsflüssigkeit (8) aus einem oberen und einem unteren Arbeitsabstand (a, b) auf das Metallband (1) spritzbar ist und daß die Entzunderungseinheiten (6, 7) regeltechnisch derart miteinander gekoppelt sind, daß beide simultan nachführbar sind. - Entzunderungsanordnung nach einem der Ansprüche 7 bis 10,
dadurch gekennzeichnet,daß die Entzunderungsflüssigkeit (8) von der Entzunderungseinrichtung (5) unter einem Spritzwinkel (X, Y) relativ zum Metallband (1) auf das Metallband (1) spritzbar ist und daß der Spritzwinkel (X, Y) entsprechend der Zwangsauslenkung nachführbar ist. - Entzunderungsanordnung nach einem der Ansprüche 7 bis 11,
dadurch gekennzeichnet,daß die Entzunderungseinrichtung (5) mittels einer Hydraulikzylindereinrichtung (11) nachführbar ist.
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 (de) | 2000-12-13 |
EP1059127A3 EP1059127A3 (de) | 2003-10-22 |
EP1059127B1 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 (de) |
EP (1) | EP1059127B1 (de) |
JP (1) | JP2001001029A (de) |
KR (1) | KR100632133B1 (de) |
AT (1) | ATE461761T1 (de) |
BR (1) | BR0002593A (de) |
CA (1) | CA2310796C (de) |
DE (2) | DE19925809A1 (de) |
ES (1) | ES2341640T3 (de) |
MX (1) | MXPA00005616A (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1541251B1 (de) * | 2002-08-27 | 2012-12-05 | JFE Steel Corporation | Verfahren zur herstellung von warmgewalztem stahlband und vorrichtung dafür |
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 |
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 |
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 |
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)
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 (de) * | 1999-01-08 | 2000-07-12 | SMS Demag AG | Verfahren und Vorrichtung zum Entzundern einer Oszillationsmarken aufweisenden Oberfläche eines Gussstranges aus einer Stranggiessanlage |
Family Cites Families (4)
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 |
-
1999
- 1999-06-07 DE DE19925809A patent/DE19925809A1/de not_active Withdrawn
-
2000
- 2000-06-01 US US09/585,142 patent/US6295852B1/en not_active Expired - Fee Related
- 2000-06-02 KR KR1020000030290A patent/KR100632133B1/ko not_active IP Right Cessation
- 2000-06-06 CA CA2310796A patent/CA2310796C/en not_active Expired - Fee Related
- 2000-06-06 JP JP2000169153A patent/JP2001001029A/ja active Pending
- 2000-06-07 EP EP00112219A patent/EP1059127B1/de not_active Expired - Lifetime
- 2000-06-07 DE DE50015893T patent/DE50015893D1/de not_active Expired - Lifetime
- 2000-06-07 ES ES00112219T patent/ES2341640T3/es not_active Expired - Lifetime
- 2000-06-07 AT AT00112219T patent/ATE461761T1/de not_active IP Right Cessation
- 2000-06-07 BR BR0002593-3A patent/BR0002593A/pt not_active IP Right Cessation
- 2000-06-07 MX MXPA00005616A patent/MXPA00005616A/es active IP Right Grant
Patent Citations (6)
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 (de) * | 1999-01-08 | 2000-07-12 | SMS Demag AG | Verfahren und Vorrichtung zum Entzundern einer Oszillationsmarken aufweisenden Oberfläche eines Gussstranges aus einer Stranggiessanlage |
Non-Patent Citations (2)
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 |
---|---|
DE19925809A1 (de) | 2000-12-14 |
KR20010007192A (ko) | 2001-01-26 |
EP1059127A3 (de) | 2003-10-22 |
DE50015893D1 (de) | 2010-05-06 |
ATE461761T1 (de) | 2010-04-15 |
CA2310796A1 (en) | 2000-12-07 |
ES2341640T3 (es) | 2010-06-24 |
JP2001001029A (ja) | 2001-01-09 |
CA2310796C (en) | 2010-08-17 |
BR0002593A (pt) | 2001-01-02 |
KR100632133B1 (ko) | 2006-10-11 |
US6295852B1 (en) | 2001-10-02 |
MXPA00005616A (es) | 2002-07-22 |
EP1059127B1 (de) | 2010-03-24 |
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