EP3623490A1 - Method for manufacturing a facility for coating a moving product and facility so manufactured - Google Patents
Method for manufacturing a facility for coating a moving product and facility so manufactured Download PDFInfo
- Publication number
- EP3623490A1 EP3623490A1 EP19290023.1A EP19290023A EP3623490A1 EP 3623490 A1 EP3623490 A1 EP 3623490A1 EP 19290023 A EP19290023 A EP 19290023A EP 3623490 A1 EP3623490 A1 EP 3623490A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pot
- enclosure
- coating
- pots
- installation
- 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
- 239000011248 coating agent Substances 0.000 title claims abstract description 57
- 238000000576 coating method Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 238000009434 installation Methods 0.000 claims abstract description 72
- 238000013461 design Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 4
- 229910001338 liquidmetal Inorganic materials 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Images
Classifications
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- 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
- C23C2/003—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
- C23C2/003—Apparatus
- C23C2/0036—Crucibles
-
- 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
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
Definitions
- the present invention relates to a method of producing an installation for coating a scrolling product according to the preamble of claim 1.
- an installation for coating a product running under a so-called longitudinal direction comprises a coating pot, comprising a coating agent such as a liquid metal (zinc or various alloys), into which the product is immersed in order to emerge from said pot coated with said agent.
- a coating pot is generally placed in an enclosure at least partially or even completely buried relative to the ground level.
- the coating installation is stopped.
- the pot is emptied, dismantled then evacuated from the enclosure and finally it is replaced by another pot ready for use, to be filled with coating agent.
- Such production stoppages of at least one to several days are very costly for the owner of the installation.
- An object of the present invention is to propose making or adapting an installation comprising a first pot for coating a product with longitudinal travel, said first pot being disposed in a first enclosure, and the production or adaptation of which guarantees a stop of minimum or even zero production duration. Also, this realization or adaptation should allow secure maintenance of the pot with regard to deformation or crack factors. Finally, the said pot maintenance should be carried out for a minimum duration so as not to reduce the productivity of the installation.
- a set of subclaims also has advantages of the invention.
- an initially mono-pot installation installation configuration is presented for coating a moving product (pr_ON) along a longitudinal plane (X, Z) such as a flat and long product (strip or sequence of strips).
- This product is dipped inclined at the top into the first pot (p1) containing a liquid metal such as zinc or various alloys.
- the product After being deflected by a bottom roller (rf) placed in the jar, the product thus scrolls through the jar and emerges vertically from the jar.
- the pot is placed in an enclosure (e1) which laterally surrounds the pot at least partially or otherwise its perimeter, for example semi-buried or completely buried (pit). More generally, this type of enclosure is therefore provided in an airspace and / or at least partially in the form of pits. Feet (pf) or another bottom support can then be provided to hold it stably in the bottom of the enclosure.
- the orthogonal axes (X, Y, Z) are shown in Figures 1A and 1B .
- the axes (X, Y) being horizontal and (Z) vertical.
- the enclosures targeted by the invention are provided in an air space and / or at least partially in the form of simple pits, so that they are partially or completely underground relative to the ground (so). They are of course open at the top to allow a pot to be placed there, then they can be covered during the functional coating mode.
- the first stage of creation ( fig. 1A, 1B ) of the second enclosure provides that it takes place while the product is in continuous scrolling (pr_ON) in the first pot (p1) and therefore the production is thus kept active during said first step.
- Protective means between the two enclosures (e1, e2) are provided to prevent any pollution of the first pot (p1) by projections coming from the area of production of the second enclosure.
- Means for creating the second enclosure (resumption or demolition of existing slabs, excavations, driving in pillars, etc.) are provided to be anti-vibration at the level of the first enclosure (for example by using diamond disc cutouts) of so that the quality of the coating in progress in the first enclosure is not negatively impacted.
- a second coating pot (p2) in the second enclosure can thus start while the product is still in continuous scrolling (pr_ON) in the first pot (p1) and therefore the production is thus kept active during said second step. It is also planned to make the second pot (p2, fig. 2B ) advantageously mobile, in particular along the first axis (x) respectively.
- the third stage of creation ( fig. 3A, 3B ) a third enclosure (e3) encompassing at least the first enclosure (e1) and here the second enclosure (e2) along the axis (X) is thus produced while the product is still in continuous movement (pr_ON) in the first pot (p1) and therefore production is thus kept active during said third stage.
- first, second and third stages according to the method of carrying out the installation can very advantageously take place while the product is in continuous movement (pr_ON), that is to say free of all stopping production of the scrolling product during coating.
- Figures 4A, 4B , 5A, 5B have top (type A) and side (type B) views of the first installation during steps to replace the first pot (p1) with the second pot (p2).
- This step of replacing a pot requires a scrolling stop (pr_OFF) of the product in the second pot, in order to be able to empty it and extract it from the third enclosure (e3).
- the second movable pot is moved horizontally and mono-directionally to the location of the old first pot, for example by a simple system of rectilinear rails placed in the bottom of the enclosure.
- the Figures 5A and 5B then have a reset depending on the scrolling of the product (pr_ON) in the second pot (p2), the initial location of the second pot ( fig. 4A, 4B ) remaining vacant.
- this vacant location makes it possible to install a new, third mobile pot (p3) there, such as the Figures 6A, 6B present it in top view (type A) and side view (type B) of the first installation, then again in twin-pot form. It is thus possible to predict the future (third) replacement pot for the second pot (p2) in advance of the maintenance phase of said second pot. It should also be noted that this pre-production of the third pot takes place advantageously, while the product is in continuous movement (pr_ON), that is to say free from any production stop of the product in progress during coating. .
- the method according to the invention then provides for generating a free space for a pot, as in Figures 1A, 1B .
- first, second and third steps according to the so-called “extended” installation method can very advantageously take place while the product is in continuous scrolling (pr_ON) here in the first pot (pl '), that is to say free from any production stop of the scrolling product during coating.
- the first and second coating pots (p1 ', p2') are also advantageously provided movable in the third enclosure (e3 '), in particular along a single axis respectively (X, see fig. 1A, 1B ), therefore in a mono-directional and horizontal way, making it possible to avoid deformations or cracks in the moving pots.
- Figures 9A, 9B, 10A, 10B present top (type A) and side (type B) views of the so-called “extended” installation during steps to replace the first pot (p1 ') to be maintained with the second pot (p2') to be put in place production.
- this step is the only one requiring a production stop of the scrolling product (pr_OFF) during coating.
- This step has already been described analogously to Figures 4A, 4B , 5A, 5B (pots p1, p2). The only difference is that this so-called "extended” installation ultimately provides three pot locations and two movable pots.
- the related advantage is that during maintenance of a first jar in continuous movement (pr_ON), the other second jar can be maintained and prepared in advance of said maintenance, without interfering with the production of the product. scrolling during coating in the first pot. This also applies vice versa for the first and second pots, because the pots are moved simultaneously in pairs from the left-center pot locations to the center-right pot locations ( fig. 9A, 9B, 10A, 10B ), and vice versa. The maintenance times for each of the pots are therefore here without influencing the productivity of the extended installation.
- Figure 11 presents a side view (type B) of a so-called “very extensive” installation following steps of more extensive realization of the so-called “extended” installation of the figure 8B , 9B or 10B and finally comprising a final enclosure where are arranged at least the first pot, the second pot, a third pot added according to the method provided for the invention and two free locations for a pot, respectively created also according to the method provided for the invention .
- this "tri-pot" installation configuration has the same advantages as the "bi-pot” configuration.
- Figures 12A, 12B , 12C, 12D, 12E , 14F present views from above and from the side of an installation known as “orthogonally extended” following steps of more extensive realization of the installation of the figure 5A, 5B or 6A, 6B and finally comprising at least a first pot, a second pot according to the method provided for the invention and a free space for a pot.
- the Figures 12E and 12F represent a change of the first pot (p1 ') with the second pot (p2') by brief stop of the product scrolling (pr_OFF), followed by a horizontal mono-directional movement of the first pot from its location under the product in stop scrolling (pr_OFF) to a first vacant location juxtaposed, then a mono-directional horizontal displacement of the second pot from a second vacant location to the location under the product to be scrolled (pr_ON).
- configurations of said “third” enclosure are possible by arranging the locations of pots successively linear along an axis and / and orthogonal along two axes. perpendicular whose intersection is placed at the place of coating of product.
- the first and second coating pots are provided movable, in particular along the first and second axes respectively (X, Y), these being aligned (or even parallel) or orthogonal.
- the third enclosure is created in a design comprising at least two, ideally three or four or five, or more locations of coating pots.
- one of the installations carried out by the method according to the invention comprising at least the first coating pot in functional mode of coating the product and the second pot in assembly mode, provides that said pots are arranged mobile in the third enclosure, in particular under horizontal mono-directional paths, aligned and / and perpendicular.
Abstract
La présente invention décrit une méthode de réalisation d'une installation comprenant un premier pot de revêtement (p1, p1') d'un produit à défilement longitudinal, ledit premier pot étant disposé dans une première enceinte (e1, e1'), et caractérisée par :- une première étape de création d'une deuxième enceinte (e2, e2') décalée latéralement de la première enceinte suivant un premier axe (X, Y),- une deuxième étape d'assemblage d'un deuxième pot de revêtement (p2, p2') dans la deuxième enceinte,- une troisième étape de création d'une troisième enceinte (e3, e3') englobant au moins la première enceinte suivant un second axe (X, Y) et destinée à être mise en jonction latérale avec la deuxième enceinte.Des exemples d'installations réalisées par la dite méthode selon l'invention sont aussi décrites.The present invention describes a method of producing an installation comprising a first coating pot (p1, p1 ') of a product with longitudinal travel, said first pot being disposed in a first enclosure (e1, e1'), and characterized by: - a first step of creating a second enclosure (e2, e2 ') offset laterally from the first enclosure along a first axis (X, Y), - a second step of assembling a second coating pot ( p2, p2 ') in the second enclosure, - a third step of creating a third enclosure (e3, e3') including at least the first enclosure along a second axis (X, Y) and intended to be placed in lateral junction with the second enclosure. Examples of installations carried out by said method according to the invention are also described.
Description
La présente invention concerne une méthode de réalisation d'une installation de revêtement d'un produit à défilement selon le préambule de la revendication 1.The present invention relates to a method of producing an installation for coating a scrolling product according to the preamble of claim 1.
Usuellement, une installation de revêtement d'un produit à défilement sous une direction dite longitudinale comprend un pot de revêtement, comprenant un agent de revêtement tel qu'un un métal liquide (zinc ou alliages divers), dans lequel vient plonger le produit afin de ressortir dudit pot revêtu dudit agent. Un tel pot de revêtement est généralement disposé dans une enceinte au moins partiellement voire complètement enterrée par rapport au niveau du sol. Lors d'un remplacement de pot pour des raisons diverses, l'installation de revêtement est mise en arrêt de production. Le pot est vidé, démonté puis évacué de l'enceinte et enfin il est remplacé par un autre pot prêt à l'usage, à remplir d'agent de revêtement. De tels arrêts de production d'au moins un à plusieurs jours sont fort coûteux pour le propriétaire de l'installation. Enfin, pour le cas d'un revêtement maintenu à une température précise, le déplacement de pots est toujours critique en ce que sa structure réfractaire est facilement vouée à être déformée et le plus souvent fissurée. La maintenance de tels pots est ainsi extrêmement difficile voire impossible. En particulier, des déplacements par élévation de pot ou descente du pot engendrent de telles fissures ou déformations non réversibles des pots. Il est alors requis de prévoir des moyens d'élévation ou de descente très complexe et donc coûteux, sans toutefois garantir un résultat sans risque. De plus, si un pot doit être déplacé de manière bidirectionnelle au sol, il est nécessaire de prévoir des moyens de transport ou transfert rigides et conséquents, de façon à également éviter tout risque de déformation et fissuration lors d'un changement de direction de transport ou transfert.Usually, an installation for coating a product running under a so-called longitudinal direction comprises a coating pot, comprising a coating agent such as a liquid metal (zinc or various alloys), into which the product is immersed in order to emerge from said pot coated with said agent. Such a coating pot is generally placed in an enclosure at least partially or even completely buried relative to the ground level. When a pot is replaced for various reasons, the coating installation is stopped. The pot is emptied, dismantled then evacuated from the enclosure and finally it is replaced by another pot ready for use, to be filled with coating agent. Such production stoppages of at least one to several days are very costly for the owner of the installation. Finally, in the case of a coating maintained at a precise temperature, the displacement of pots is always critical in that its refractory structure is easily doomed to be deformed and more often than not cracked. The maintenance of such pots is thus extremely difficult if not impossible. In particular, displacements by raising the pot or lowering the pot generate such cracks or non-reversible deformations of the pots. It is then necessary to provide very complex and therefore expensive means of lifting or lowering, without however guaranteeing a risk-free result. In addition, if a pot is to be moved bidirectionally on the ground, it is necessary to provide means rigid and consistent transport or transfer, so as to also avoid any risk of deformation and cracking when changing the direction of transport or transfer.
Un but de la présente invention est de proposer de réaliser ou adapter une installation comprenant un premier pot de revêtement d'un produit à défilement longitudinal, ledit premier pot étant disposé dans une première enceinte, et dont la réalisation ou l'adaptation effectuée garantit un arrêt de durée minimale voire nul de la production. Egalement, cette réalisation ou adaptation devrait permettre une maintenance sécurisée de pot au regard de facteurs de déformations ou fissures. Enfin, la dite maintenance de pot devrait s'effectuer sous une durée minimale afin de ne pas diminuer la productivité de l'installation.An object of the present invention is to propose making or adapting an installation comprising a first pot for coating a product with longitudinal travel, said first pot being disposed in a first enclosure, and the production or adaptation of which guarantees a stop of minimum or even zero production duration. Also, this realization or adaptation should allow secure maintenance of the pot with regard to deformation or crack factors. Finally, the said pot maintenance should be carried out for a minimum duration so as not to reduce the productivity of the installation.
Il est ainsi proposé une telle méthode de réalisation. ou d'adaptation d' une installation comprenant un premier pot de revêtement d'un produit à défilement longitudinal au travers des caractéristiques de la revendication 1. Une installation réalisée ou adaptée selon ladite méthode est aussi présentée au travers des caractéristiques de la revendication 10.It is thus proposed such an embodiment method. or adaptation of an installation comprising a first pot for coating a product with longitudinal travel through the characteristics of claim 1. An installation produced or adapted according to said method is also presented through the characteristics of claim 10.
Un ensemble de sous-revendications présente également des avantages de l'invention.A set of subclaims also has advantages of the invention.
Des exemples de réalisation et d'application sont fournis à l'aide de figures décrites :
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Figures 1A, 2A, 3A : Vues de dessus (type A) lors d'étapes de réalisation d'une première installation comprenant un premier pot à remplacer ou à compléter par un deuxième pot selon la méthode prévue pour l'invention, -
Figures 1B, 2B, 3B : Vues de côté (type B - coupe A-A) lors d'étapes de réalisation d'une première installation selonfigures 1A, 2A, 3A , -
Figures 4A, 4B ;5A, 5B : Vues de dessus (type A) et de côté (type B) de la première installation lors d'étapes de remplacement du premier pot par le deuxième pot, -
Figures 6A, 6B : Vues de dessus (type A) et de côté (type B) de la première installation sous forme bipots, -
Figures 7A, 7B, 8A, 8B : Vues de dessus et de côté d'une installation dite « étendue » suite à des étapes de réalisation plus étendue de l'installation de lafigure 6A, 6B et comprenant finalement au moins un premier pot, un deuxième pot selon la méthode prévue pour l'invention et un emplacement libre pour un pot, -
Figures 9A, 9B, 10A, 10B : Vues de dessus (type A) et de côté (type B) de l'installation dite « étendue » lors d'étapes de remplacement du premier pot à maintenir par le deuxième pot à mettre en production, -
Figures 11 : Vues de côté (type B) d'une installation dite « très étendue » suite à des étapes de réalisation plus étendue de l'installation de lafigure 8B ,9B ou 10B et comprenant finalement au moins le premier pot, le deuxième pot, un troisième pot selon la méthode prévue pour l'invention et deux emplacements libres pour un pot, -
Figures 12A, 12B ,12C, 12D, 12E, 12F : Vues de dessus d'une installation dite « étendue orthogonalement» suite à des étapes de réalisation plus étendue de l'installation de lafigure 5A, 5B ou 6A, 6B selon la méthode prévue pour l'invention. -
Figures 1A, 2A, 3A (figures de type A) présentent des vues de dessus lors d'étapes de réalisation d'une première installation comprenant un premier pot (p1) à remplacer ou à compléter par un deuxième pot (p2) selon la méthode prévue pour l'invention. -
Figures 1B, 2B, 3B (figures de type B sous forme de coupe A-A des figures de type A) présentent des vues de côté lors d'étapes de réalisation d'une première installation selonfigures 1A, 2A, 3A .
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Figures 1A, 2A, 3A : Top views (type A) during stages of production of a first installation comprising a first pot to be replaced or supplemented by a second pot according to the method provided for the invention, -
Figures 1B, 2B, 3B : Side views (type B - section AA) during stages of carrying out a first installation according toFigures 1A, 2A, 3A , -
Figures 4A, 4B ;5A, 5B : Top (type A) and side (type B) views of the first installation during steps to replace the first pot with the second pot, -
Figures 6A, 6B : Top (type A) and side (type B) views of the first installation in bipot form, -
Figures 7A, 7B, 8A, 8B : Top and side views of a so-called “extended” installation following more extensive stages of installation of thefigure 6A, 6B and finally comprising at least a first pot, a second pot according to the method provided for the invention and a free space for a pot, -
Figures 9A, 9B, 10A, 10B : Top views (type A) and side views (type B) of the so-called "extended" installation during steps to replace the first pot to be maintained with the second pot to be put into production, -
Figures 11 : Side views (type B) of a so-called “very extensive” installation following more extensive stages in the installation of thefigure 8B ,9B or 10B and finally comprising at least the first pot, the second pot, a third pot according to the method provided for the invention and two free places for a pot, -
Figures 12A, 12B ,12C, 12D, 12E, 12F : Top views of an installation called "orthogonally extended" following more extensive stages of the installation of thefigure 5A, 5B or 6A, 6B according to the method provided for the invention. -
Figures 1A, 2A, 3A (type A figures) show views from above during stages of producing a first installation comprising a first pot (p1) to be replaced or supplemented by a second pot (p2) according to the method provided for the invention. -
Figures 1B, 2B, 3B (type B figures in the form of a section AA of type A figures) present side views during stages of carrying out a first installation according toFigures 1A, 2A, 3A .
Selon les
Ce type d'installation mono-pot est souvent le plus simple que les métallurgistes prévoient par exemple dans une ligne de galvanisation. Lors d'une maintenance du pot, il est alors nécessaire d'arrêter le défilement du produit dans le pot, et donc d'arrêter la production de la ligne jusqu'à plusieurs jours, de façon à vider, nettoyer, remplir voire complétement vider puis retirer le pot de l'enceinte pour un remplacement avec un pot nettoyé ou neuf. Il en ressort que des pertes de production sont conséquentes. De plus, le retrait de pot de l'enceinte, si il doit être maintenu et donc retiré puis replacé dans l'enceinte est à risque, car sa structure (réfractaire) est sujette à des déformations ou des fissures lors d'un déplacement insuffisamment maitrisé ou nécessitant des opérations d'élévation, descente ou/et autres rotations du pot engendrant des instabilités.This type of single-pot installation is often the simplest that metallurgists provide for example in a galvanizing line. During maintenance of the pot, it is then necessary to stop the flow of the product in the pot, and therefore to stop the production of the line for several days, so as to empty, clean, fill or even completely empty then remove the pot from the enclosure for replacement with a cleaned or new jar. It turns out that production losses are significant. In addition, the removal of pot from the enclosure, if it must be maintained and therefore removed and then replaced in the enclosure is at risk, because its (refractory) structure is subject to deformation or cracks during insufficient movement mastered or requiring lifting, lowering and / or other pot rotations causing instabilities.
C'est pourquoi de tels métallurgistes cherchent à pouvoir simplifier les étapes de maintenance de pot. De plus, ils requièrent qu'une réalisation visant une modification de leur installation initiale (telle que celle à mono-pot) se déroule sous une durée minimale, afin de ne pas diminuer leur productivité finale.This is why such metallurgists seek to be able to simplify the stages of pot maintenance. In addition, they require that a realization aiming at a modification of their initial installation (such as that with mono-pot) takes place under a minimum duration, in order not to decrease their final productivity.
A ces titres et plus généralement, la présente invention prévoit alors une méthode de réalisation d'une installation comprenant un premier pot de revêtement (p1) d'un produit à défilement (pr_ON) longitudinal, ledit premier pot étant disposé dans une première enceinte (e1), et caractérisée par :
- une première étape de création (
fig. 1A, 1B ) d'une deuxième enceinte (e2) décalée latéralement de la première enceinte suivant un premier axe (X), - une deuxième étape d'assemblage (
fig. 2A, 2B ) d'un deuxième pot de revêtement (p2) dans la deuxième enceinte, - une troisième étape de création (
fig. 3A, 3B ) d'une troisième enceinte (e3) englobant au moins la première enceinte suivant un second axe (Y, ici identique ou du moins parallèle au premier axe X) et destinée à être mise en jonction latérale avec la deuxième enceinte.
- a first stage of creation (
fig. 1A, 1B ) a second enclosure (e2) offset laterally from the first enclosure along a first axis (X), - a second assembly step (
fig. 2A, 2B ) a second coating pot (p2) in the second enclosure, - a third stage of creation (
fig. 3A, 3B ) a third enclosure (e3) encompassing at least the first enclosure along a second axis (Y, here identical or at least parallel to the first axis X) and intended to be placed in lateral junction with the second enclosure.
Les axes orthogonaux (X, Y, Z) sont représentés aux
Les enceintes visées par l'invention sont prévues dans un espace aérien ou/et au moins partiellement sous forme de simples fosses, de sorte qu'elles soient partiellement ou complétement sous-terraines par rapport au sol (so). Elles sont bien-sûr ouvertes en partie supérieure pour permettre à un pot d'y être placé, puis elles peuvent être recouvertes lors du mode fonctionnel de revêtement.The enclosures targeted by the invention are provided in an air space and / or at least partially in the form of simple pits, so that they are partially or completely underground relative to the ground (so). They are of course open at the top to allow a pot to be placed there, then they can be covered during the functional coating mode.
En particulier, la première étape de création (
Une fois la première étape finalisée, la première et la deuxième enceintes sont toujours séparées par une paroi verticale (destinée à être supprimée pour la future mise en jonction latérale). Des opérations de réalisation menées dans la deuxième enceinte ne peuvent donc pas nuire aux opérations de revêtement actif dans la première enceinte. La deuxième étape d'assemblage (
Une fois la deuxième étape finalisée, la paroi verticale entre la première et la deuxième enceintes est supprimée pour la future mise en jonction latérale des dites enceintes. Ces opérations de réalisation sont menées depuis la deuxième enceinte pour ne pas nuire aux opérations de revêtement actif dans la première enceinte. La troisième étape de création (
Il est à noter que la première, la deuxième et la troisième étapes selon la méthode de réalisation de l'installation peuvent fort avantageusement se dérouler alors que le produit est en défilement continu (pr_ON), c'est-à-dire libre de tout arrêt de production du produit à défilement en cours de revêtement.It should be noted that the first, second and third stages according to the method of carrying out the installation can very advantageously take place while the product is in continuous movement (pr_ON), that is to say free of all stopping production of the scrolling product during coating.
Alternativement, il est aussi possible d'arrêter la production du produit à défilement en cours de revêtement, si il est prévu de réaliser des modifications dimensionnelles de la première enceinte, par exemple si il était envisagé d'y placer un pot de plus grande taille que le premier pot (p1) initial., et même plusieurs emplacements de pots juxtaposés à insérer dans la nouvelle première enceinte.Alternatively, it is also possible to stop the production of the scrolling product during coating, if it is planned to make dimensional modifications to the first enclosure, for example if it was envisaged to place a larger pot there. than the first initial pot (p1)., and even several juxtaposed pot locations to be inserted in the new first enclosure.
Suite à la troisième étape (
Avantageusement, cet emplacement vacant permet de pouvoir y installer un nouveau, troisième pot (p3) mobile, telles que les
Cette installation de type bi-pots dans une enceinte à deux emplacements de pots apporte ainsi une amélioration considérable tant dans sa réalisation sous les étapes décrites précédemment que dans la maintenance des pots, car seule l'étape de remplacement d'un pot par un autre pot requiert un court arrêt de production du produit à défilement en cours de revêtement, par exemple réalisable en moins d'un jour.This bi-pot type installation in an enclosure with two pot locations thus brings a considerable improvement both in its implementation under the steps described above and in the maintenance of the pots, because only the step of replacing one pot with another jar requires a short production stop of the scrolling product during coating, for example achievable in less than a day.
De plus, sachant que le (troisième ou deuxième) pot pour remplacer le (deuxième ou premier) pot à évacuer (ou maintenir) est simplement et fort stablement déplacé horizontalement et mono-directionnellement à l'emplacement de l'ancien (premier) pot, des risques de déformations ou de fissures de pot sont écartés.In addition, knowing that the (third or second) pot to replace the (second or first) pot to evacuate (or maintain) is simply and very stably moved horizontally and mono-directionally to the location of the old (first) pot , the risk of deformation or cracks in the pot is eliminated.
A partir de l'installation décrite précédemment, il est encore possible de pouvoir l'améliorer à la demande d'un métallurgiste et si un aménagement d'une troisième enceinte de plus grande taille est réalisable. La méthode selon l'invention peut alors être appliquée comme précédemment à une installation telle qu'aux
A ce titre, les
La méthode selon l'invention prévoit alors de générer un emplacement libre pour un pot, comme aux
Plus généralement, il est remis en oeuvre la méthode de réalisation d'une installation comprenant un premier pot de revêtement (p1') d'un produit à défilement longitudinal, ledit premier pot étant disposé dans une première enceinte (e1') à deux emplacement de pots, et caractérisée par :
- une première étape de création (
fig. 7A, 7B ) d'une deuxième enceinte (e2') décalée latéralement de la première enceinte suivant un premier axe (X), - une deuxième étape d'assemblage (
fig. 7A, 7B ) d'un deuxième pot de revêtement (p2') dans la première enceinte, si celui-ci n'était pas présent dans la première enceinte (e1'), - une troisième étape de création (
fig. 8A, 8B ) d'une troisième enceinte (e3') englobant ici au moins la première enceinte (e1') et la deuxième enceinte (e2') suivant un second axe ici identique au premier axe (X) et destinée à être mise en jonction latérale avec la deuxième enceinte.
- a first stage of creation (
fig. 7A, 7B ) a second enclosure (e2 ') offset laterally from the first enclosure along a first axis (X), - a second assembly step (
fig. 7A, 7B ) a second coating pot (p2 ') in the first enclosure, if the latter was not present in the first enclosure (e1 '), - a third stage of creation (
fig. 8A, 8B ) a third enclosure (e3 ') including here at least the first enclosure (e1') and the second enclosure (e2 ') along a second axis here identical to the first axis (X) and intended to be placed in lateral junction with the second enclosure.
Les avantages des première, deuxième, troisième étapes sont identiques à ceux déjà décrits aux
En particulier, il est toujours à noter que la première, la deuxième et la troisième étapes selon la méthode de réalisation de l'installation dite « étendue » peuvent fort avantageusement se dérouler alors que le produit est en défilement continu (pr_ON) ici dans le premier pot (pl'), c'est-à-dire libre de tout arrêt de production du produit à défilement en cours de revêtement.In particular, it should always be noted that the first, second and third steps according to the so-called “extended” installation method can very advantageously take place while the product is in continuous scrolling (pr_ON) here in the first pot (pl '), that is to say free from any production stop of the scrolling product during coating.
Les premier et deuxième pots de revêtements (p1', p2') sont aussi avantageusement prévus mobiles dans la troisième enceinte (e3'), en particulier selon respectivement ici un seul axe (X, voir
Enfin, les
En plus, il est ici envisageable de prévoir des compositions différentes de métal liquide de revêtement dans chacun des deux pots. La préparation d'une composition différente se déroule sans gêner le revêtement continu sous l'autre composition.In addition, it is possible here to provide different compositions of liquid metal coating in each of the two pots. The preparation of a different composition takes place without interfering with the continuous coating under the other composition.
Analogiquement aux
En plus, il est ici envisageable de prévoir des compositions différentes de métal liquide de revêtement dans au moins un ou deux des trois pots. La préparation d'une ou deux compositions différentes se déroule sans gêner le revêtement continu sous une autre composition.In addition, it is conceivable here to provide different compositions of liquid metal coating in at least one or two of the three pots. The preparation of one or two different compositions takes place without interfering with the continuous coating under another composition.
Plus précisément, la méthode selon l'invention est mise en oeuvre en ce que une installation est réalisée comprenant un premier pot de revêtement (p1' = p2,
- une première étape de création (
fig. 12B ) d'une deuxième enceinte (e2') décalée latéralement de la première enceinte suivant un premier axe (Y) orthogonal au plan de défilement (X, Z) du produit, - une deuxième étape d'assemblage (
fig. 12C ) d'un deuxième pot de revêtement (p2') dans la deuxième enceinte, - une troisième étape de création (
fig. 12D ) d'une troisième enceinte (e3') englobant au moins la première enceinte (e1') s'étendant suivant un second axe (X) et la deuxième enceinte (e2') après avoir été mise en jonction latérale avec la deuxième enceinte, de sorte que la troisième enceinte forme une enceinte en forme de L comprenant trois emplacements de pots et deux pots mobiles horizontalement.
- a first stage of creation (
fig. 12B ) a second enclosure (e2 ') offset laterally from the first enclosure along a first axis (Y) orthogonal to the plane of travel (X, Z) of the product, - a second assembly step (
fig. 12C ) a second coating pot (p2 ') in the second enclosure, - a third stage of creation (
fig. 12D ) a third enclosure (e3 ') including at least the first enclosure (e1') extending along a second axis (X) and the second enclosure (e2 ') after having been placed in lateral junction with the second enclosure, so that the third enclosure forms an L-shaped enclosure comprising three pot locations and two horizontally movable pots.
Les
En résumé pour toutes les figures permettant de bien comprendre la méthode de réalisation d'installation selon l'invention, des configurations de dite « troisième » enceinte sont possibles en disposant des emplacements de pots successivement linéaires selon un axe ou/et orthogonaux selon deux axes perpendiculaires dont l'intersection est placée à l'endroit de revêtement de produit. Pour une configuration à trois emplacements de pots et deux pots par exemple, les premier et deuxième pots de revêtements sont prévus mobiles, en particulier selon respectivement le premier et le second axe (X, Y), ceux-ci étant alignés (voire parallèles) ou orthogonaux.In summary, for all the figures allowing a good understanding of the method of producing an installation according to the invention, configurations of said “third” enclosure are possible by arranging the locations of pots successively linear along an axis and / and orthogonal along two axes. perpendicular whose intersection is placed at the place of coating of product. For a configuration with three locations of pots and two pots for example, the first and second coating pots are provided movable, in particular along the first and second axes respectively (X, Y), these being aligned (or even parallel) or orthogonal.
Afin d'accélérer la réalisation de l'installation, il est aussi envisageable de prévoir que la deuxième et la troisième étapes soient réalisées simultanément. Ceci requiert des moyens de protection identiques et supplémentaires à ceux mentionnés pour les
Dans la présente invention, la troisième enceinte est créée sous un dimensionnement comprenant au moins deux, idéalement trois ou quatre ou cinq, ou plus d'emplacements de pots de revêtement.In the present invention, the third enclosure is created in a design comprising at least two, ideally three or four or five, or more locations of coating pots.
Il est alors aisé pour un homme réalisant des installations de revêtement de prévoir des extensions de troisièmes enceintes décrites comprenant plus de pots ou d'emplacements alignés ou perpendiculaires.It is then easy for a man carrying out coating installations to provide extensions of described third enclosures comprising more pots or aligned or perpendicular locations.
Enfin, une des installations réalisées par la méthode selon l'invention comprenant au moins le premier pot de revêtement en mode fonctionnel de revêtement de produit et le deuxième pot en mode d'assemblage, prévoit que les dits pots sont disposés mobiles dans la troisième enceinte, en particulier sous des trajectoires horizontales mono-directionnelles, alignées ou/et perpendiculaires.Finally, one of the installations carried out by the method according to the invention comprising at least the first coating pot in functional mode of coating the product and the second pot in assembly mode, provides that said pots are arranged mobile in the third enclosure, in particular under horizontal mono-directional paths, aligned and / and perpendicular.
Une telle installation réalisée prévoit alors un dimensionnement sous une des configurations suivantes :
- ∘ Deux emplacements de pots de revêtement et un ou deux pots mobiles mono-directionnellement selon un axe (X),
- ∘ Trois emplacements de pots de revêtement et deux pots mobiles mono-directionnellement selon un axe (X) ou deux axes perpendiculaires (X,Y),
- ∘ Quatre emplacements de pots de revêtement et deux ou trois pots mobiles mono-directionnellement selon un axe (X), sinon deux ou trois axes distincts (X, Y),
- ∘ Cinq emplacements de pots de revêtement et trois ou quatre pots mobiles mono-directionnellement selon un axe (X), sinon deux, trois ou quatre axes distincts (X,Y) .
- ∘ Two locations of coating pots and one or two mobile pots mono-directionally along an axis (X),
- ∘ Three locations of coating pots and two mobile pots mono-directionally along an axis (X) or two perpendicular axes (X, Y),
- ∘ Four locations of coating pots and two or three mobile pots mono-directionally along an axis (X), otherwise two or three distinct axes (X, Y),
- ∘ Five locations of coating pots and three or four pots movable mono-directionally along an axis (X), otherwise two, three or four distinct axes (X, Y).
Les avantages liés à la réalisation de telles installations réalisées, à leur maintenance, et finalement à leur productivité sont directement ceux liés à la méthode de réalisation ou d'adaptation de telles installations selon l'invention précédemment décrite.The advantages linked to the realization of such installations carried out, to their maintenance, and finally to their productivity are directly those linked to the method of production or adaptation of such installations according to the invention described above.
Claims (8)
Priority Applications (2)
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EP19290023.1A EP3623490B1 (en) | 2019-04-12 | 2019-04-12 | Method for manufacturing a facility for coating a moving product and facility so manufactured |
PCT/EP2020/060330 WO2020208232A1 (en) | 2019-04-12 | 2020-04-10 | Method for producing an apparatus for coating a moving product |
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EP19290023.1A EP3623490B1 (en) | 2019-04-12 | 2019-04-12 | Method for manufacturing a facility for coating a moving product and facility so manufactured |
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WO2023208298A1 (en) | 2022-04-29 | 2023-11-02 | Benecke-Kaliko Aktiengesellschaft | Aqueous dispersions for producing flame-retardant foamed films and for producing composite structures equipped therewith |
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JP2003231958A (en) * | 2002-02-07 | 2003-08-19 | Jfe Steel Kk | Hot-dipping steel plate manufacturing apparatus |
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JP2003231958A (en) * | 2002-02-07 | 2003-08-19 | Jfe Steel Kk | Hot-dipping steel plate manufacturing apparatus |
Non-Patent Citations (2)
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DUBOIS MICHEL: "Galvanizing on the Moon Galvanizing on the Moon An essay An essay with new problems with & solutions found every week", CONFERENCE PAPER OCT.2007, October 2007 (2007-10-01), XP055635720, DOI: 10.13140/2.1.1614.2085 * |
GOTOH H ET AL: "THE OUTLINE OF NO.2 CONTINUOUS GALVANIZING LINE AT KASHIMA WORKS", REVUE DE METALLURGIE- CAHIERS D'INFORMATIONS TECHNIQUES,, vol. 91, no. 4, April 1994 (1994-04-01), pages 575 - 580, XP000449410, ISSN: 0035-1563, DOI: 10.13140/2.1.1614.2085 * |
Cited By (2)
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WO2023208298A1 (en) | 2022-04-29 | 2023-11-02 | Benecke-Kaliko Aktiengesellschaft | Aqueous dispersions for producing flame-retardant foamed films and for producing composite structures equipped therewith |
DE102022204206A1 (en) | 2022-04-29 | 2023-11-02 | Benecke-Kaliko Aktiengesellschaft | Aqueous dispersions for the production of flame-retardant foamed films and composite structures equipped with them |
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