EP0910681A1 - Vorrichtung zum schmelztauchbeschichten von metallband - Google Patents
Vorrichtung zum schmelztauchbeschichten von metallbandInfo
- Publication number
- EP0910681A1 EP0910681A1 EP97931704A EP97931704A EP0910681A1 EP 0910681 A1 EP0910681 A1 EP 0910681A1 EP 97931704 A EP97931704 A EP 97931704A EP 97931704 A EP97931704 A EP 97931704A EP 0910681 A1 EP0910681 A1 EP 0910681A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- channel
- strip
- coating
- material according
- band
- 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 8
- 238000003618 dip coating Methods 0.000 title description 3
- 239000000463 material Substances 0.000 claims abstract description 29
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 230000014759 maintenance of location Effects 0.000 claims abstract description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 239000012777 electrically insulating material Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000004907 flux Effects 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
- C23C2/24—Removing excess of molten coatings; Controlling or regulating the coating thickness using magnetic or electric fields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
- B05C3/12—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating work of indefinite length
- B05C3/125—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating work of indefinite length the work being a web, band, strip or the like
-
- 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
-
- 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
- C23C2/0035—Means for continuously moving substrate through, into or out of the bath
-
- 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
- C23C2/0036—Crucibles
- C23C2/00361—Crucibles characterised by structures including means for immersing or extracting the substrate through confining wall area
- C23C2/00362—Details related to seals, e.g. magnetic means
-
- 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
- C23C2/006—Pattern or selective deposits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
Definitions
- the invention relates to a device for coating strip-like material, in which a metal strip is passed through a container holding the molten coating material, which has a channel surrounding the strip-shaped material below the molten pool level, in which currents are induced by inductors in the coating material that induce an electromagnetic Strength to
- the container receiving the melt-shaped coating material there is provided with a bottom through opening for the band to be coated, which is sealed by an electromagnetic pump.
- This pump generates an electromagnetic force that is equal to or greater than the metallostatic pressure in the opening of the passage. This prevents the molten coating material from leaking through the passage.
- the passage channel is exposed to high thermal requirements and wears accordingly. For this reason, it is necessary to replace the channel.
- the replacement of a one-part channel presupposes that there is no more tape in the channel and that after changing the worn components, it is necessary to re-thread the tape through the channel.
- Threading the belt is very time-consuming and difficult and clearly disturbs the productivity of the system due to long downtimes.
- the channel is easily detachably attached to the bottom of the container and consists of several parts that can be separated and sealed against each other in the tape running direction and that are used to replace the channel with the tape inside after loosening the separating connection individually at right angles to the tape running direction Band can be moved away.
- the essence of the present invention is to form the channel from parts which can be separated from one another and which can be moved away from the band in order to replace the channel without the band itself having to be separated or unthreaded.
- the channel or the parts of the channel are easily detachably fastened to the bottom of the container holding the coating material and can be moved away in the shortest possible time after the container has been emptied.
- new channel parts can be transported in and assembled to form a new channel in such a way that a closed channel encompassing the band results.
- the separable parts are sealed against each other by suitable sealants and close the channel in a liquid-tight manner in the working state.
- the channel consists of an electrically insulating material with good surface wettability, the channel is preferably formed from ceramic material.
- the ceramic material is designed so that the surface property and structure
- the inductors which enclose the channel on both sides, are particularly effective when using the electrically insulated ceramic material.
- the inductors can be attached to the inductors and can be moved or displaced together with them.
- the inductors for example guided on rollers, can be moved transversely to the belt and take the separate channel parts with them when moving.
- the channel parts can be movable or displaceable in the system independently of the inductors and, for example, to first move the inductors for changing the channel and to move the channel parts in a second step.
- the channel is sealed in such a way that it can be closed gas-tight and can be supplied with protective gas.
- the channel For quick detachability of the channel, it is held on the tank bottom by means of wedges or eccentrics and can be brought into its removal position for a short time after loosening the wedges or adjusting the eccentrics.
- the tape remains in its central position while the channel is removed by separating it into channel parts.
- a roller arrangement for guiding and centering the band is provided below the channel.
- the present invention enables the channel parts to be changed quickly without first removing the belt and considerably reduces the downtimes of the system. This allows the productivity of the system to be increased, and at the same time the quality of the coated metal strip is increased, because the unevenness of the coating caused by the change of the channel is kept very low by the easier rapid change of the worn channel parts.
- Figure 1 shows a schematic representation of an inventive device for
- FIG. 2 shows the device according to FIG. 1 in a representation rotated by 90 °
- Figure 4 shows an example of the attachment of the channel to the bottom of the container.
- 1 denotes the container which holds the molten coating material 2 in it.
- the band denoted by 3 is passed through the container 1 in the direction of the arrow from bottom to top and thereby coated with the coating material 2.
- At the bottom 4 of the container 1 there is a fastening device 5 for the parts 6a and 6b of the channel denoted by 7, through which the band 3 is guided in a centered manner.
- the rollers 8a, 8b create a stable guide for the band 3 in the entry region of the channel 7, by means of which the band 3 is held in a center-centered position;
- the inductors are on both sides of channel 7
- FIG. 2 the same parts are identified identically, the channel having a rectangular cross-section can be seen, the cross-sectional opening depending on the thickness and width of the strips 3 to be coated.
- the channel shown in cross section is composed of at least two parts 6a, 6b (FIG. 3a) which are connected to one another by a suitable heat-resistant seal 12 to form a closed channel 7.
- the channel consists of four parts, namely the broad sides 6a, 6b and the end faces 6c, 6d sealingly closing the broad sides, which in turn are sealed off from the broad sides at 12.
- the channel consists of two separable parts, each of which is L-shaped, one leg of the L-shaped cross section forming the end wall of the channel relative to the other leg, and both legs at 12 being sealed off from one another.
- FIG. 3a the channel shown in cross section is composed of at least two parts 6a, 6b (FIG. 3a) which are connected to one another by a suitable heat-resistant seal 12 to form a closed channel 7.
- the channel consists of four parts, namely the broad sides 6a, 6b and the end faces 6c, 6d sealingly closing the broad sides, which in turn are sealed off from the broad sides at 12.
- a two-part channel 7 is likewise provided, one of the end walls remaining fixed, that is to say stationary, on a system part (not specified in more detail), while the other channel part 6a is practically put over the band and is sealingly connected to the fixed channel part at 12 .
- FIG. 4 schematically indicates how, for example, the channel 7 is fixed on the bottom 4 of the container 1, specifically by means of wedges 13 which mesh with one another can be brought into operative connection with each other by moving the channel 7 in arrow direction 14. In this way, the channel 7 can be connected very quickly to the bottom 4 of the container 1 and detached just as quickly
- An advantage of the present invention is that the channel 7, which is composed of two or more parts, does not require any separation of the metal strip present in the system when the channel is replaced, and accordingly the availability of the system is increased by forming the channel from two or more parts which can be separated in the running direction of the strip, the duct can be dismantled when the strip is then in place, whereby the conversion can be carried out in a very short time using quick connection elements.
- Suitable sealing elements or materials are inserted between the duct parts, which advantageously prevent the liquid metal from flowing out during operation Channel 7 can be heated via the inductors if, after the channel has been modified, it must be prepared for a new working cycle
Landscapes
- 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)
- General Induction Heating (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19628512A DE19628512C1 (de) | 1996-07-05 | 1996-07-05 | Vorrichtung zum Schmelztauchbeschichten von Metallband |
DE19628512 | 1996-07-05 | ||
PCT/DE1997/001412 WO1998001595A1 (de) | 1996-07-05 | 1997-07-01 | Vorrichtung zum schmelztauchbeschichten von metallband |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0910681A1 true EP0910681A1 (de) | 1999-04-28 |
EP0910681B1 EP0910681B1 (de) | 2000-05-03 |
Family
ID=7799882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97931704A Expired - Lifetime EP0910681B1 (de) | 1996-07-05 | 1997-07-01 | Vorrichtung zum schmelztauchbeschichten von metallband |
Country Status (10)
Country | Link |
---|---|
US (1) | US6254680B1 (de) |
EP (1) | EP0910681B1 (de) |
JP (1) | JP3774235B2 (de) |
KR (1) | KR100498671B1 (de) |
AT (1) | ATE192509T1 (de) |
AU (1) | AU3538197A (de) |
CA (1) | CA2259409C (de) |
DE (2) | DE19628512C1 (de) |
ES (1) | ES2145615T3 (de) |
WO (1) | WO1998001595A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4843975B2 (ja) * | 2005-03-25 | 2011-12-21 | Jfeスチール株式会社 | めっき浴設備 |
DE102005029576A1 (de) * | 2005-06-25 | 2007-01-04 | Sms Demag Ag | Vorrichtung zur Schmelztauchbeschichtung eines Metallstranges |
DE102005030766A1 (de) * | 2005-07-01 | 2007-01-04 | Sms Demag Ag | Vorrichtung zur Schmelztauchbeschichtung eines Metallstranges |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1157743B (de) * | 1955-08-24 | 1963-11-21 | Gen Electric | Verfahren zur kontinuierlichen Herstellung von Halbzeug |
US3090352A (en) * | 1960-09-26 | 1963-05-21 | Armco Steel Corp | Molten metal trap for coating apparatus |
DE8616987U1 (de) * | 1986-06-26 | 1987-10-22 | Chamotte- und Tonwerk Kurt Hagenburger, 6718 Grünstadt | Füllrohr zum Gießen metallischer Werkstücke |
DE4208578A1 (de) * | 1992-03-13 | 1993-09-16 | Mannesmann Ag | Verfahren zum beschichten der oberflaeche von strangfoermigem gut |
DE4320723A1 (de) * | 1993-06-23 | 1995-01-05 | Didier Werke Ag | Eintauchausguß |
CA2131059C (en) * | 1993-09-08 | 2001-10-30 | William A. Carter | Hot dip coating method and apparatus |
DE4344939C1 (de) * | 1993-12-23 | 1995-02-09 | Mannesmann Ag | Verfahren zum prozeßgerechten Regeln einer Anlage zum Beschichten von bandförmigem Gut |
IN191638B (de) * | 1994-07-28 | 2003-12-06 | Bhp Steel Jla Pty Ltd | |
JPH11505885A (ja) * | 1995-05-29 | 1999-05-25 | エム3デー,ソシエテ アノニム | ストリップを形成する材料よりも低い融点または液相点を有する金属または合金で金属ストリップを被膜する方法及び装置 |
CA2225537C (en) * | 1996-12-27 | 2001-05-15 | Mitsubishi Heavy Industries, Ltd. | Hot dip coating apparatus and method |
-
1996
- 1996-07-05 DE DE19628512A patent/DE19628512C1/de not_active Expired - Fee Related
-
1997
- 1997-07-01 DE DE59701594T patent/DE59701594D1/de not_active Expired - Fee Related
- 1997-07-01 EP EP97931704A patent/EP0910681B1/de not_active Expired - Lifetime
- 1997-07-01 AU AU35381/97A patent/AU3538197A/en not_active Abandoned
- 1997-07-01 JP JP50465298A patent/JP3774235B2/ja not_active Expired - Fee Related
- 1997-07-01 WO PCT/DE1997/001412 patent/WO1998001595A1/de active IP Right Grant
- 1997-07-01 KR KR10-1999-7000020A patent/KR100498671B1/ko not_active IP Right Cessation
- 1997-07-01 US US09/214,482 patent/US6254680B1/en not_active Expired - Fee Related
- 1997-07-01 ES ES97931704T patent/ES2145615T3/es not_active Expired - Lifetime
- 1997-07-01 CA CA002259409A patent/CA2259409C/en not_active Expired - Fee Related
- 1997-07-01 AT AT97931704T patent/ATE192509T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9801595A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2000514141A (ja) | 2000-10-24 |
DE59701594D1 (de) | 2000-06-08 |
KR20000067851A (ko) | 2000-11-25 |
WO1998001595A1 (de) | 1998-01-15 |
US6254680B1 (en) | 2001-07-03 |
EP0910681B1 (de) | 2000-05-03 |
CA2259409A1 (en) | 1998-01-15 |
AU3538197A (en) | 1998-02-02 |
DE19628512C1 (de) | 1997-09-04 |
ES2145615T3 (es) | 2000-07-01 |
CA2259409C (en) | 2006-09-05 |
ATE192509T1 (de) | 2000-05-15 |
JP3774235B2 (ja) | 2006-05-10 |
KR100498671B1 (ko) | 2005-07-01 |
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