EP1899092A1 - Dispositif de nettoyage en surface en continu de rouleaux de coulee mobiles en rotation d'une machine de coulee en bande - Google Patents

Dispositif de nettoyage en surface en continu de rouleaux de coulee mobiles en rotation d'une machine de coulee en bande

Info

Publication number
EP1899092A1
EP1899092A1 EP06828793A EP06828793A EP1899092A1 EP 1899092 A1 EP1899092 A1 EP 1899092A1 EP 06828793 A EP06828793 A EP 06828793A EP 06828793 A EP06828793 A EP 06828793A EP 1899092 A1 EP1899092 A1 EP 1899092A1
Authority
EP
European Patent Office
Prior art keywords
laser beam
cleaning
casting roll
casting
units
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
EP06828793A
Other languages
German (de)
English (en)
Other versions
EP1899092B1 (fr
Inventor
Heinrich Marti
Jacques Barbé
Philip Eichenberger
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.)
Main Management Inspiration AG
Original Assignee
Main Management Inspiration 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 Main Management Inspiration AG filed Critical Main Management Inspiration AG
Publication of EP1899092A1 publication Critical patent/EP1899092A1/fr
Application granted granted Critical
Publication of EP1899092B1 publication Critical patent/EP1899092B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0637—Accessories therefor
    • B22D11/0665—Accessories therefor for treating the casting surfaces, e.g. calibrating, cleaning, dressing, preheating
    • B22D11/0674—Accessories therefor for treating the casting surfaces, e.g. calibrating, cleaning, dressing, preheating for machining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0637—Accessories therefor
    • B22D11/0665—Accessories therefor for treating the casting surfaces, e.g. calibrating, cleaning, dressing, preheating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D43/00—Mechanical cleaning, e.g. skimming of molten metals

Definitions

  • the invention relates to a device for continuous surface cleaning of rotatable casting rolls of a strip casting machine.
  • the device according to the invention in which a laser beam unit or a plurality of laser beam units arranged side by side and distributed over the casting roll length, by means of which the casting roll surface can be acted upon by one or more laser beams over the entire casting roll length, enables a gapless and regular surface cleaning of casting rolls because the laser beams have very clear boundaries and can be matched to one another in such a way that no joining or overlapping points arise. There are no scratches or abrasions on the casting roller surface.
  • the device can be used during the entire casting operation in the maintenance positions or in an external workshop. It is compact and low maintenance.
  • FIG. 1 shows a part of a strip casting machine 1 with two casting rolls, each with an inventive device for cleaning the surface of the casting rolls.
  • Fig. 2 shows the strip casting machine part of FIG. 1 in a perspective view
  • a part of a strip casting machine 1 with two rotatable about horizontal axes casting rolls 2, 3 is shown, whose directions of rotation are denoted by D 2 D 3 and of which at least one casting roll for changing the casting gap is movably adjustable.
  • D 2 D 3 directions of rotation
  • the metal strip 4 produced is led away through a passage gap 9 between the two cooled casting rolls 2, 3 in the direction of arrow A in FIG.
  • a chamber 10 for an inert gas e.g. Argon
  • the enclosing this chamber 10, upper housing part 1 1 is equipped with one each with the respective casting roll 2, 3 and the respective side seals 5 cooperating sealing system 12, 13, by means of which the chamber 10 is separated from the rest of the housing interior of the strip casting machine 1.
  • an inert gas e.g. Argon
  • the two casting rolls 2, 3 each associated with an inventive apparatus 20 for surface cleaning, by means of which the solidification of the liquid metal causing, cooled and rotating casting roll surface 2a and 3a of Metal oxides, slag or other contaminants is continuously released before it comes back in contact with the liquid metal.
  • the surface cleaning is carried out by means of a laser unit 25 arranged on the circumference of the respective casting roll 2, 3 (with one or more laser beams acting on the respective casting rolls 2, 3 over their entire length) or by means of a plurality of laser beam units 25.
  • a laser unit 25 arranged on the circumference of the respective casting roll 2, 3 (with one or more laser beams acting on the respective casting rolls 2, 3 over their entire length) or by means of a plurality of laser beam units 25.
  • a plurality of laser beam units 25 these are-as shown in FIG. 2-arranged side by side in one or more rows and distributed over the entire length of the respective casting roll 2, 3.
  • the laser beam units 25 may be arranged in a stationary manner at a distance from the casting roll or in the axial direction of the casting rolls 2, 3.
  • the laser beams can be matched to one another in such a way that no joining or overlapping points arise. They work extremely fast and generate extremely high local temperatures, causing the impurities to evaporate or break away. On the casting roll surface 2a, 3a no scratch marks or erosion arise, because the extremely short and localized action of the radiation acts very gently. Since the roller surfaces 2a, 3a do not receive the laser beam, but reflect it, in contrast to the cover layer, the cleaning process stops.
  • the conditions between the casting roll surfaces 2 a, 3 a and the molten metal are not affected by the cleaning equipment during the entire casting period and thus the quality of theête- NEN band not influenced.
  • the service lives of the casting roll surfaces or the casting rolls coats are extended.
  • a suction and filtering device 26 is provided for the impurities separated by the laser beam unit or the laser beam units 25 for the impurities separated by the laser beam unit or the laser beam units 25, a suction and filtering device 26 is provided. In order to protect the G cumrollenoberfest from contamination by the liquid steel escaping gases or smoke, they are discharged together with introduced inert gas from the chamber 10. In order to keep splashes of the casting roll, in particular during casting, a splash guard 44 is provided.
  • the laser beam cleaning or the removal of oxides can be stopped automatically: if there are no more oxides on the casting roll surface, the laser beam is reflected and thus the effect on the casting roll surface is adjusted so that it does not suffer any damage.
  • the device 20 for surface cleaning of the respective casting rolls 2, 3 according to the invention may comprise, in addition to the laser beam unit or laser beam units 25, at least one additional additional cleaning unit for mechanical, chemical, galvanic and / or thermal cleaning of the casting roll surface 2a, 3a, which surrounds the laser beam unit or the Laser beam units 25 in the direction of rotation D 2 , D 3 of the casting roll forward and / or downstream can be.
  • the laser beam unit or the laser beam units 25 is advantageously followed by a over the entire length of the respective casting roll 2, 3 extending cleaning brush 45 in the direction of rotation D 2j D 3 of the casting roll 2, 3, with which the possible residues can be completely removed.
  • the cleaning brush 45 is preferably accommodated in an enclosure 47, from which the residual particles are removed by means of a suction device 46.
  • a cleaning brush 45 may be much softer than conventional cleaning brushes, and is also used with less contact force. Such cleaning brushes thus also have longer service lives and cause no damage to the casting roll surfaces 2a, 3a.
  • the condition of the cleaned casting roll surface 2a, 3a, the position, the temperature and the profile of the casting roll are monitored, for which a measuring device 40 is present, which preferably comprises a number of sensors arranged side by side or offset over the casting roll length (cf. 2).
  • the inventive device for surface cleaning / renewal of casting rolls can be used during the casting operation or during the entire casting period, in the maintenance positions or in an external workshop. It is compact and low maintenance.
  • the particle emitter and / or laser beam unit or the laser beam units 25, the final cleaning with suction, an inert gas supply and a splash guard form an overall system, which ensures optimum cleaning of the roll surfaces.
  • a mechanical cleaning can also be performed by scrapers or scratches.
  • a particle beam for cleaning organic, ceramic, metallic particles, plastic particles or dry ice can be used. It is also a twisting, milling, or grinding these surfaces possible.
  • a chemical or a chemical mechanical cleaning can also be used, for example in the form of etching, preferably with a specific acid, or in the form of waste liquors. Furthermore, can a cleaning can also be done by ultrasound with a liquid carrier medium.
  • a thermal cleaning is also conceivable.
  • a melting or burning away of the surface deposits is achieved by deliberate heating on the roller surface, wherein the molten deposits are dabbed or otherwise removed.
  • the at least one laser beam unit 25 can also be used for renewal of the casting roll surface during or outside operation, for example for the creation of dimples (dimples or textures). Such textures could also be restored by other means, such as by diamonds, needles, pneumatic needle punch, or roller blading. It is also possible to bring about this by the mentioned particle beam with ceramic particles, plastic particles, metal particles, etc.
  • the cleaning devices can be used to clean the inline rolling mill rolls individually or as a system, especially for long sequences.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Continuous Casting (AREA)

Abstract

L'invention concerne un dispositif servant au nettoyage en surface en continu de rouleaux de coulée mobiles en rotation (2, 3) d'une machine de coulée en bande. A la périphérie de chaque rouleau de coulée (2, 3) sont disposées plusieurs unités de faisceaux laser (25), agencées les unes à côté des autres et réparties sur la longueur desdits rouleaux de coulée, au moyen desquelles la surface des rouleaux de coulée (2a, 3a) est soumise à l'action, sur toute la longueur du rouleau, d'un ou de plusieurs faisceaux laser. Des unités de nettoyage supplémentaires (30, 31, 35, 45) complétant les unités de faisceaux laser (25) sont avantageusement montées en amont et/ou en aval, pour le nettoyage mécanique de la surface des rouleaux de coulée. L'invention permet ainsi d'obtenir un nettoyage en surface continu et régulier des rouleaux de coulée.
EP06828793.7A 2005-07-07 2006-07-07 Dispositif de nettoyage en surface en continu de rouleaux de coulee mobiles en rotation d'une machine de coulee en bande Not-in-force EP1899092B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01133/05A CH698238B1 (de) 2005-07-07 2005-07-07 Vorrichtung zur kontinuierlichen Oberflächenreinigung einer drehbeweglichen Giessrolle einer Bandgiessmaschine.
PCT/EP2006/006724 WO2007031135A1 (fr) 2005-07-07 2006-07-07 Dispositif de nettoyage en surface en continu de rouleaux de coulee mobiles en rotation d'une machine de coulee en bande

Publications (2)

Publication Number Publication Date
EP1899092A1 true EP1899092A1 (fr) 2008-03-19
EP1899092B1 EP1899092B1 (fr) 2013-04-24

Family

ID=37467428

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06828793.7A Not-in-force EP1899092B1 (fr) 2005-07-07 2006-07-07 Dispositif de nettoyage en surface en continu de rouleaux de coulee mobiles en rotation d'une machine de coulee en bande

Country Status (7)

Country Link
US (1) US7874345B2 (fr)
EP (1) EP1899092B1 (fr)
KR (1) KR101302917B1 (fr)
CN (1) CN101218045B (fr)
CH (1) CH698238B1 (fr)
RU (1) RU2417133C2 (fr)
WO (1) WO2007031135A1 (fr)

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KR101779631B1 (ko) * 2009-12-30 2017-09-18 쓰리엠 이노베이티브 프로퍼티즈 컴파니 팽창 메시를 제조하는 방법
EP2697000B1 (fr) * 2011-04-12 2016-02-24 Primetals Technologies, Limited Dispositif de dévêtissage à cylindres et procédé
DE102011052771A1 (de) * 2011-08-17 2013-02-21 Nordenia Deutschland Gronau Gmbh Verfahren und Vorrichtung zur Entfernung von Verschmutzungen auf profilierten Oberflächen ineinander greifender Streckwalzen
CN103506616A (zh) * 2013-10-23 2014-01-15 唐山市润捷机械设备制造有限公司 一种板坯连铸弧形段辊道在线清扫装置
JP5854025B2 (ja) * 2013-11-13 2016-02-09 トヨタ自動車株式会社 回転ロール表面の異物検知および清浄方法と異物検知および清浄装置
KR101677347B1 (ko) * 2014-12-23 2016-11-18 주식회사 포스코 주조롤 세척장치
JP6579370B2 (ja) * 2015-08-19 2019-09-25 日立金属株式会社 ダイカストスリーブのクリーニング方法
CN105149533B (zh) * 2015-09-30 2018-07-06 宝山钢铁股份有限公司 一种薄带连铸结晶辊辊面清理装置及清理方法
CN110087799B (zh) * 2016-12-26 2021-03-23 宝山钢铁股份有限公司 铸辊辊面清理装置和方法
CN110026438B (zh) * 2019-05-20 2024-06-28 安徽协同创新设计研究院有限公司 一种铜带轧机轧辊清洗装置
DE102020104310A1 (de) 2020-02-19 2021-08-19 Vacuumschmelze Gmbh & Co. Kg Anlage und Verfahren zum Herstellen eines Bands mit einer Rascherstarrungstechnologie sowie metallisches Band
DE102020104311A1 (de) * 2020-02-19 2021-08-19 Vacuumschmelze Gmbh & Co. Kg Anlage und Verfahren zum Herstellen eines Bandes mit einer Rascherstarrungstechnologie sowie metallisches Band
DE102020104312A1 (de) 2020-02-19 2021-08-19 Vacuumschmelze Gmbh & Co. Kg Anlage und Verfahren zum Herstellen eines Bandes mit einer Rascherstarrungstechnologie sowie metallisches Band
DE102022204686A1 (de) 2022-05-13 2023-11-16 Sms Group Gmbh Zwei-Rollen-Gießeinrichtung zur Erzeugung eines gegossenen Metallbandes, und Verfahren zur Kühlung und/oder Reinigung einer Außenoberfläche einer Gießrolle einer Zwei-Rollen-Gießeinrichtung

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Also Published As

Publication number Publication date
CN101218045B (zh) 2011-03-23
KR20080023219A (ko) 2008-03-12
US20080223542A1 (en) 2008-09-18
EP1899092B1 (fr) 2013-04-24
WO2007031135A1 (fr) 2007-03-22
KR101302917B1 (ko) 2013-09-06
CH698238B1 (de) 2009-06-30
CN101218045A (zh) 2008-07-09
RU2008104629A (ru) 2009-08-20
US7874345B2 (en) 2011-01-25
RU2417133C2 (ru) 2011-04-27

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