EP2496728B1 - Vorrichtung zum beschichten eines metallischen bandes und verfahren hierfür - Google Patents

Vorrichtung zum beschichten eines metallischen bandes und verfahren hierfür Download PDF

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Publication number
EP2496728B1
EP2496728B1 EP10774210.8A EP10774210A EP2496728B1 EP 2496728 B1 EP2496728 B1 EP 2496728B1 EP 10774210 A EP10774210 A EP 10774210A EP 2496728 B1 EP2496728 B1 EP 2496728B1
Authority
EP
European Patent Office
Prior art keywords
magnets
strip
coating
stripping nozzle
nozzle
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.)
Active
Application number
EP10774210.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2496728A1 (de
Inventor
Christos Karinos
Joachim Kuhlmann
Holger Behrens
Pascal Fontaine
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.)
Fontaine Engineering und Maschinen GmbH
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Fontaine Engineering und Maschinen GmbH
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.)
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Publication date
Application filed by Fontaine Engineering und Maschinen GmbH filed Critical Fontaine Engineering und Maschinen GmbH
Priority to PL10774210T priority Critical patent/PL2496728T3/pl
Publication of EP2496728A1 publication Critical patent/EP2496728A1/de
Application granted granted Critical
Publication of EP2496728B1 publication Critical patent/EP2496728B1/de
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0034—Details related to elements immersed in bath
    • C23C2/00342—Moving elements, e.g. pumps or mixers
    • C23C2/00344—Means for moving substrates, e.g. immersed rollers or immersed bearings
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/50—Controlling or regulating the coating processes
    • C23C2/52—Controlling or regulating the coating processes with means for measuring or sensing
    • C23C2/524—Position of the substrate

Definitions

  • the invention relates to a device for coating a metallic strip with a coating material comprising a coating container filled with a liquid coating material through which or from which the coated strip is discharged vertically upwards, wherein above the coating container, a scraper for stripping still liquid coating material is arranged from the strip surface, wherein above the wiping nozzle, an electromagnetic device for stabilizing the position of the tape is arranged in a central position, wherein the device comprises at least two magnets arranged on both sides of the metal strip at the same height. Furthermore, the invention relates to a method for coating a metallic strip with a coating material.
  • a device for strip edge stabilization of a belt which has at least one sensor for detecting the position of the at least one band edge and at least one adjusting device is provided, with which a means for band edge stabilization can be positioned transversely to the band depending on the band edge position.
  • the DE 10 2008 039 244 A1 shows a device for hot dip coating, in which the metal strip is passed through the coating bath and discharged from this vertically upwards.
  • a wiping nozzle Above the coating container, a wiping nozzle is arranged, with the excess coating material is blown off the belt surface.
  • a band stabilization Above the wiping nozzle, a band stabilization is arranged at a defined distance, with which the band is to be held centrally in the center plane of the plant.
  • a stable central belt run in systems with and without downstream heating inductors is of great importance for the strip cooling devices following the wiping nozzle, in order to achieve a uniform cooling effect. Again, it is important to avoid damage to the system and the belt surface.
  • the belt position normal to the belt surface is measured in the belt stabilization system by means of displacement sensors and regulated in a closed loop.
  • further measuring devices can be used within the downstream devices as additional signals for the band position control.
  • the position of the belt stabilization is defined by design and concentrated in the previously known solutions mostly on a spatial proximity to the scraper. Thus arises dependent from design a distance of the belt stabilization magnets from the nozzle lip of the wiper (air outlet from the nozzle).
  • the invention is in the light of these disadvantages, the object of developing a device for coating a metallic strip with a coating material and a corresponding method so that it can be responded to the different demands on the tape guide in an improved and simpler manner. Accordingly, the quality of the hot dip coating, in particular the hot dip galvanizing, should be increased.
  • the means for adjusting the vertical distance may include at least one hydraulic or pneumatic actuator; they may also comprise at least one mechanical actuator, in particular a spindle-nut system.
  • the means for adjusting the vertical distance may comprise at least one lifting element, which is directly or indirectly connected to the wiper.
  • the wiping nozzle can have a frame structure or be connected to such, on which the at least one lifting element is arranged.
  • a heating element for heating the strip can be arranged above the wiping nozzle in order to be able to carry out a so-called galvannealing process.
  • the heating element is preferably formed as an inductive element.
  • the means for adjusting the vertical position are preferably formed for adjusting the vertical distance of the magnets in the entire region of the height extension between the wiper and the heating element.
  • a cooling section can furthermore be arranged. Between the heating element and the cooling section, a holding furnace can be arranged.
  • the object of the invention is procedurally achieved by the method according to claim 10.
  • the claimed method of coating a metallic strip with a coating material wherein the strip is passed through liquid coating material contained in a coating container and then discharged vertically upwardly from the coating container, wherein above the coating container still liquid coating material is removed by a wiping nozzle of the Strip surface is stripped and wherein above the wiping the tape by means of an electromagnetic device stabilized to stabilize the position of the tape in a central position, wherein the device comprises two magnets disposed on both sides of the belt at the same height, according to the invention is characterized in that the vertical distance of the magnets is adjusted by the wiper according to a predetermined value, wherein Setting the distance means for adjusting the vertical distance to be operated by a controller.
  • the magnets are preferably kept centered in the center position when setting the vertical distance.
  • the essence of the invention thus depends on the fact that the position of the belt stabilization magnets is not stationary, but can be adapted to the respective requirements by means of a suitable lifting device.
  • the aligned (centered) and optimized position of the belt stabilization magnets to the continuous steel belt - in the direction normal to the belt - by mechanical coupling of the belt stabilization magnets with the wiper remains always exist.
  • the belt stabilization system must be positioned as close as possible to the respective device or effective point for optimum function and thus for the purpose of reducing the belt movements (principle of St. Vernant). This is, for example, for optimizing the coating with liquid metal a position as close as possible to the wiping, wherein for a central and quiet tape within the Nacher stiirmungs adopted the position of the non-contact tape stabilization should be selected as close to this device.
  • a suitable auxiliary device both positions (once close to the scraper and once near the heating device) without loss of stabilization function.
  • other positions can be approached, which allow influencing both parts of the system (scraper and heating device) with the belt stabilization.
  • the vertical position of the belt stabilizing magnets which are part of a belt stabilizing unit, can be flexibly adjusted to a desired value. This is done depending on the operating state or the desired non-contact Bandlagenbeeinlung.
  • the positioning preferably takes place between the wiping nozzle and the downstream in the conveying direction of the belt heating inductors for galvannealing operation or a downstream strip cooling.
  • the actuating means for the height adjustment of the magnets always remain centered to the scraper, since they are mechanically coupled thereto.
  • the invention enables a variable, selectively adjustable position of the belt stabilizing magnets above the scraper in a hot-dip galvanizing plant.
  • the vertical adjustment of the belt stabilizing magnets relative to the scraper nozzle allows any position to obtain optimum operation between the extreme positions directly on the scraper nozzle and directly in front of the downstream heating elements or before the belt cooling.
  • Fig. 1 is sketched a hot-dip coating plant, which serves for coating a strip 1 with a coating metal.
  • the tape 1 is introduced in the embodiment in a known manner in a coating container 2, in which liquid coating material is contained.
  • a deflection of the belt 1 in the vertical direction V by means of a deflection roller 14 is made.
  • the CVGL method can also be used in the same way, in which the band 1 enters the coating container 2 vertically from below and the bottom opening is sealed by means of an electromagnetic shutter.
  • a wiping nozzle 3 Above the wiping nozzle 3 there is a device 4 for stabilizing the band 1.
  • This device 4 has as its core two electro-magnets 6 arranged on both sides of the belt 1. With these devices it is achieved that the belt is deliberately subjected to magnetic forces such that it is held in a symmetrical center position 5 of the device.
  • means 7 are provided with which the vertical distance H of the magnets 6 can be set by the wiper 3 targeted. This is indicated in Fig. 1 with the double arrows next to the magnets 6 and in that the magnets 6 are sketched once (in a middle position) with solid lines and in two further alternative positions with dashed lines, namely in a lower position near the wiping nozzle 3 and in an upper position at the upper end of the movement, which can be accomplished with the means 7.
  • the distance of the magnets 6 from the upper end of the wiper 3 is indicated by H and indicates how far the magnets 6 are lifted by the means 7.
  • a cooling section 11 is provided for the band 1.
  • the band 1 is deflected by a deflection roller 13 in the horizontal.
  • Fig. 2 is an alternative solution outlined here compared with Fig. 1 an inductive heating device 10 is provided above the belt stabilization 4, with a Galvannealing process can be performed in a conventional manner. Between the heating element 10 and the cooling section 11 is still a holding furnace 12th
  • Fig. 3 An idea of the structural design of the proposed device goes out Fig. 3 out.
  • the wiping nozzle 3 is arranged on a frame structure 9, on which four lifting elements 8 are fastened, with which the magnets 6 can be raised or lowered relative to the wiping nozzle 3.
  • FIG. 4 Further details of the structural design go out Fig. 4 out.
  • four lifting elements 8 - in the present case designed as mechanical actuators in the form of spindle-nut systems - are used to the Move magnets 6 in the vertical direction V or adjust.
  • the wiping nozzles 3 are not shown here; they are in the lower part of the illustration according to Fig. 4 ,
  • the position of the strip stabilization is also tracked by the mechanical coupling of the strip stabilization magnets.
  • the effect of band stabilization in the region of the wiper nozzle 3 is reduced in this case, but it does not go away because of the optimal position calculation by a mathematical model used here.
  • the magnets 6 are positioned closer to the heating elements 10 (GA inductors) than to the wiping nozzle 3, but taking into account the physical action in both directions.
  • the focus of the stabilizing effect is on minimizing tape movement within the wiping die 3.
  • the position of the magnets 6 of the belt stabilization in the region of the wiping nozzle 3 is selected.
  • the guide rollers in front of the heating element which are used in previously known systems to stabilize the belt, are no longer necessary, since now the stabilizing effect can be influenced in a targeted manner in the entire height range between the wiper and the heating element.
  • the means 7 also advantageously allow a manual cleaning of the wiper 3 during operation.
  • the belt stabilization or the magnets 6 are moved to an elevated position, but without losing the stabilizing effect. This is not possible with previously known systems.
  • the maintenance personnel obtains free access to the scraper nozzle 3 and therefore can clean the nozzle lips manually. This requirement is met with every hot dip galvanizing line.
  • the positioning of the belt stabilizing magnets 6 is as explained with a device which may have two guides, holders and corresponding clamping devices which cause the tensioning of the system and thus the parallel alignment of the belt stabilization (the magnets 6) to the belt or wiper support system.
  • This band-stabilizing position changing device is fixedly mounted on the scraping nozzle 3, which includes a frame structure with alignment members.
  • the principle is thus a frame construction, which in turn is firmly connected to the basic frame construction of the wiper nozzle 3. This is done with the alignment of the wiper 3 to the band 1 also always a synchronous alignment of the magnets 6 of the band stabilization to the band. 1

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP10774210.8A 2009-11-04 2010-11-04 Vorrichtung zum beschichten eines metallischen bandes und verfahren hierfür Active EP2496728B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10774210T PL2496728T3 (pl) 2009-11-04 2010-11-04 Urządzenie do powlekania taśmy metalowej i sposób do niego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009051932A DE102009051932A1 (de) 2009-11-04 2009-11-04 Vorrichtung zum Beschichten eines metallischen Bandes und Verfahren hierfür
PCT/EP2010/066810 WO2011054902A1 (de) 2009-11-04 2010-11-04 Vorrichtung zum beschichten eines metallischen bandes und verfahren hierfür

Publications (2)

Publication Number Publication Date
EP2496728A1 EP2496728A1 (de) 2012-09-12
EP2496728B1 true EP2496728B1 (de) 2018-01-03

Family

ID=43334557

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10774210.8A Active EP2496728B1 (de) 2009-11-04 2010-11-04 Vorrichtung zum beschichten eines metallischen bandes und verfahren hierfür

Country Status (11)

Country Link
EP (1) EP2496728B1 (pl)
JP (1) JP5663763B2 (pl)
KR (1) KR101421981B1 (pl)
CN (1) CN102597295B (pl)
CA (1) CA2794925C (pl)
DE (1) DE102009051932A1 (pl)
ES (1) ES2660746T3 (pl)
HU (1) HUE038462T2 (pl)
PL (1) PL2496728T3 (pl)
TR (1) TR201802499T4 (pl)
WO (1) WO2011054902A1 (pl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO2786187T3 (pl) 2014-11-21 2018-07-28
DE102014225516B3 (de) 2014-11-21 2016-03-31 Fontaine Engineering Und Maschinen Gmbh Verfahren und Vorrichtung zum Beschichten eines Metallbandes
DE102015216721B3 (de) 2015-09-01 2016-11-24 Fontaine Engineering Und Maschinen Gmbh Vorrichtung zum Behandeln eines Metallbandes
DE102016222230A1 (de) * 2016-08-26 2018-03-01 Sms Group Gmbh Verfahren und Beschichtungseinrichtung zum Beschichten eines Metallbandes
DE102017109559B3 (de) 2017-05-04 2018-07-26 Fontaine Engineering Und Maschinen Gmbh Vorrichtung zum Behandeln eines Metallbandes
DE102018215100A1 (de) * 2018-05-28 2019-11-28 Sms Group Gmbh Vakuumbeschichtungsanlage, und Verfahren zum Beschichten eines bandförmigen Materials
DE102018219134B3 (de) * 2018-11-09 2020-01-30 Thyssenkrupp Ag Vorrichtung und Verfahren zur thermischen Behandlung einer Oberfläche eines bewegten Metallbandes
CN109526081A (zh) * 2018-12-27 2019-03-26 邵阳高华工贸实业有限公司 一种用于钢筋生产的感应加热设备及方法
IT201900023484A1 (it) * 2019-12-10 2021-06-10 Danieli Off Mecc Apparato di stabilizzazione

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
JPH0681093A (ja) * 1992-08-31 1994-03-22 Kawasaki Steel Corp ストリップの溶融金属メッキ設備
DE4344939C1 (de) 1993-12-23 1995-02-09 Mannesmann Ag Verfahren zum prozeßgerechten Regeln einer Anlage zum Beschichten von bandförmigem Gut
DE19535854C2 (de) 1995-09-18 1997-12-11 Mannesmann Ag Verfahren zur Bandstabilisierung in einer Anlage zum Beschichten von bandförmigem Gut
KR100207710B1 (ko) * 1996-12-27 1999-07-15 윤종용 개인휴대형 정보 단말기의 프린트 장치 및 방법
JPH116046A (ja) 1997-06-18 1999-01-12 Nippon Steel Corp 連続溶融金属メッキラインのドロス除去方法及び装置
FR2797277A1 (fr) 1999-08-05 2001-02-09 Lorraine Laminage Procede et dispositif de realisation en continu d'un revetement de surface metallique sur une tole en defilement
JP2001150015A (ja) * 1999-11-30 2001-06-05 Shinko Electric Co Ltd 鋼板の位置・振動制御装置
SE0002889L (sv) 2000-08-11 2002-02-12 Abb Ab En anordning och ett förfarande för styrning av tjockleken av en beläggning på ett metalliskt föremål
JP4547818B2 (ja) * 2001-03-16 2010-09-22 Ｊｆｅスチール株式会社 溶融めっき鋼板のめっき付着量制御方法
JP4450662B2 (ja) * 2004-04-05 2010-04-14 三菱日立製鉄機械株式会社 鋼板の制振装置
SE527507C2 (sv) * 2004-07-13 2006-03-28 Abb Ab En anordning och ett förfarande för stabilisering av ett metalliskt föremål samt en användning av anordningen
DE102005060058B4 (de) * 2005-12-15 2016-01-28 Emg Automation Gmbh Verfahren und Vorrichtung zum Stabilisieren eines Bandes
DE102006052000A1 (de) * 2006-11-03 2008-05-08 Emg Automation Gmbh Vorrichtung zum Stabilisieren des Laufs eines Metallbandes
EP2188403B1 (de) * 2007-08-22 2012-07-25 SMS Siemag AG Verfahren und schmelztauchveredelungsanlage zur bandstabilisierung eines zwischen abstreifdüsen der schmelztauchveredelungsanlage geführten, mit einer beschichtung versehenen bandes
DE102007045202A1 (de) * 2007-09-21 2009-04-02 Sms Demag Ag Vorrichtung zur Bandkantenstabilisierung
KR100899550B1 (ko) * 2007-11-01 2009-05-26 현대하이스코 주식회사 고속 합금화 용융 아연 도금강판의 제조방법

Also Published As

Publication number Publication date
KR101421981B1 (ko) 2014-08-13
CN102597295B (zh) 2015-04-22
WO2011054902A1 (de) 2011-05-12
KR20120063550A (ko) 2012-06-15
ES2660746T3 (es) 2018-03-26
TR201802499T4 (tr) 2018-03-21
EP2496728A1 (de) 2012-09-12
DE102009051932A1 (de) 2011-05-05
CA2794925C (en) 2014-08-19
JP5663763B2 (ja) 2015-02-04
CN102597295A (zh) 2012-07-18
CA2794925A1 (en) 2011-05-12
HUE038462T2 (hu) 2018-10-29
JP2013510236A (ja) 2013-03-21
PL2496728T3 (pl) 2018-06-29

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