EP2301682A1 - Surface stripping assembly - Google Patents

Surface stripping assembly Download PDF

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Publication number
EP2301682A1
EP2301682A1 EP10010040A EP10010040A EP2301682A1 EP 2301682 A1 EP2301682 A1 EP 2301682A1 EP 10010040 A EP10010040 A EP 10010040A EP 10010040 A EP10010040 A EP 10010040A EP 2301682 A1 EP2301682 A1 EP 2301682A1
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EP
European Patent Office
Prior art keywords
decoating
basin
metering
fluid
tube
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Granted
Application number
EP10010040A
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German (de)
French (fr)
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EP2301682B1 (en
Inventor
Mario Fiedler
Manfred Schwenk
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Guehring KG
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Guehring KG
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Publication of EP2301682A1 publication Critical patent/EP2301682A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C7/00—Paperhanging
    • B44C7/02—Machines, apparatus, tools or accessories therefor
    • B44C7/027—Machines, apparatus, tools or accessories for removing wall paper
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00—Apparatus for cleaning or pickling metallic material

Definitions

  • the present invention relates to an apparatus for use in a decoating basin, a decoating basin and a decoating plant.
  • an apparatus for metered delivery of a fluid to a solution of a stripping tank comprising: a metering tube for conducting the fluid, the metering tube having at least one passage formed such that the fluid metered the solution of the decoating pool can be fed.
  • the supply of a fluid into the solution of a decoating basin can lead to turbulences in particular at the workpieces to be stripped.
  • the stripping of entire layer pieces can be facilitated by the fact that they are mechanically moved or swirled by an ascending fluid flow.
  • fluid introduced into the solution of the decoating basin may e.g. Air, water or other suitable gases or liquids are used.
  • a decoating basin comprising: a device according to any one of claims 1 to 9.
  • a stripping process can be carried out in a shorter period of time since not only does a chemical or electrolytic stripping process take place, but the stripping process also mechanically supports the stripping process.
  • a decoating system comprising a decoating basin according to one of claims 10 to 13 is provided.
  • an apparatus wherein the metering tube is arranged in the vicinity of the bottom of the decoating basin.
  • the metering tubes according to the invention can be supplied with a gas, eg air.
  • a gas eg air.
  • Dosierrrohre near the bottom is ensured in this case, that overlying workpieces are washed by the rising air bubbles, whereby the decoating process is promoted.
  • the workpieces could also be arranged above the metering tubes on a perforated plate, for example.
  • a device wherein the metering tube is formed meander-shaped.
  • a meandering design of the metering tubes (or only one metering tube) e.g. in only one level leads to a very compact and therefore space-saving arrangement within a decoating basin.
  • a device wherein at one end of the metering tube, an inlet and at the other end of the metering tube, a drain for the fluid is arranged.
  • an apparatus comprising: a first metering tube having a first port for supplying a first fluid and a second metering tube having a second port for supplying a second fluid.
  • a device wherein the first fluid is different from the second fluid.
  • the device according to the invention can be provided with at least two metering tubes, wherein the first metering tube and the second metering tube can be fed with different fluids, whereby depending on the area of the de-coating tank the workpieces to be stripped can be stirred around with different fluids.
  • the first metering tube and the second metering tube can be fed with different fluids, whereby depending on the area of the de-coating tank the workpieces to be stripped can be stirred around with different fluids.
  • a device wherein the first connection and the second connection can be supplied by a third connection.
  • a device wherein the first metering tube is arranged parallel to the second metering tube.
  • a parallel arrangement of the metering leads to a compact design and optimum utilization of the existing surface in order to achieve the greatest possible turbulence of the solution in the stripping tank can.
  • a device wherein the device has a plurality of metering tubes, wherein the metering tubes are arranged like a stamen.
  • a star-shaped arrangement of metering tubes results in a simplified supply of a plurality of metering tubes, e.g. at the delivery point and a supply of a fluid of the largest possible area of the solution in the stripping tank.
  • a decoating basin comprising: a tube for adjusting the temperature of the solution of the decoating basin to a required process temperature.
  • a tube for adjusting the operating temperature in the solution allows the exact adjustment of the operating parameter temperature to e.g. a work instruction for removing a specific layer of workpieces.
  • the tube is preferably needed for cooling the solution, which is why it can also be referred to as a cooling tube.
  • a decoating basin wherein the tube is formed meander-shaped.
  • a meandering arrangement of the cooling tube represents optimal utilization of a limited area within a decoating basin.
  • a stripping tank is provided, wherein the pipe is disposed at the same level of the stripping tank as the metering pipe, the metering pipe being disposed between two portions of the pipe.
  • cooling and metering tubes can be arranged in a single plane, whereby the space required for the cooling and metering tubes can be minimized.
  • a decoader comprising: an emergency catcher and a water recooler.
  • the invention can be considered to promote an electrolytic or chemical stripping process of surfaces of coated workpieces by supplying a fluid.
  • a fluid for example, air can be used as the fluid, wherein due to the air bubbles in the solution of the decoating basin, mechanical influences on the surface to be detached occur, which can be detached from the workpiece faster and more thoroughly.
  • Fig. 1 shows a decoating system, which is constructed as a plug and play system.
  • the stripping plant comprises a status display 102, which signals the status of the currently running process by illuminating different color elements.
  • the stripping plant further has a control cabinet 101 for process control and a stripping basin 103 into which the workpieces to be stripped can be introduced.
  • the (chemical or electrolytic) solution of the decoating basin 103 can be discharged via the valve 106 into an emergency container 107 in an emergency.
  • a water recooler 104 serves to adapt the operating temperature of the solution of the stripping tank 103 to the required process temperature.
  • the stripping plant comprises a computer 108 which serves to connect to a company network, an intranet or the Internet.
  • Fig. 2 shows the front panel 202 of the cabinet with displays for power and voltage, and a voltage selector switch 203, a potentiometer and an alarm reset switch 204, the switches cooling on / off and circulation pump on / off 205, a temperature display 206, a switch compressed air on / from 207 and a main switch 208.
  • Fig. 3 shows a plan view of the stripping tank with tubes 301 to adjust the operating temperature to the required process temperature.
  • the tubes 301 may be meandered and disposed on one or more levels within the decoating basin.
  • Dosing tubes 302, 306 for supplying a fluid, eg air, can be arranged on the same or another level within the decoating basin.
  • the metering tubes 302, 306 have passages and can metered out the guided in the interior of the metering tubes 302, 306 fluid to the solution that is currently present in the stripping tank.
  • the discharged fluid leads to turbulence on the surface of the workpieces to be stripped, whereby a Abplätterm the layer to be removed can be accelerated.
  • a single metering tube can be arranged, which is arranged, for example meandering.
  • two, three, four, or any plurality of metering tubes 302, 306 may be disposed in the stripping tank. At least two metering tubes can emanate stemenformig from a common point, the common point are used as a common supply point can.
  • at least two metering tubes 302, 306 may be arranged parallel to each other. Individual metering tubes can form a closed circuit, whereby at least a portion of the fluid can be fed back. Alternatively, individual metering tubes 302, 306 may be formed as a "dead end" and may not include a return option.
  • the tubes 301 may form a closed circuit with an inlet 305 and a drain 303.
  • the tubes 301 typically do not have passages for dissolving the decoating basin.
  • Fig. 4 shows a plan view of the Ent harshungsbecken with tubes 401, which are arranged meandering meandering as cooling coils.
  • the tubes 401 serve to adapt the temperature of the solution of the decoating basin to the required process temperature. In the vast majority of cases, the tubes 401 serve to cool the solution of the decoating basin.
  • Fig. 5 shows tubes 501 for metered delivery of a fluid to the solution of the decoating basin.
  • the arrangement has a common connection 502 which serves to supply the individual tubes 501 with fluids.
  • the individual tubes 501 include no reflux

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Abstract

The device has dosing tubes (302, 306) for guiding respective fluids, where the dosing tubes exhibit a passage that is designed to fed the fluids to a solution of a decoating basin in a dosed manner. The dosing tubes are arranged close to a base of the decoating basin, where the dosing tubes are designed in meander-shape and exhibit respective connections (307, 308). An inflow (305) for the fluids is arranged at one end of the dosing tubes, and an outflow (303) for the fluids is arranged at another end of the dosing tubes.

Description

GEBIET DER ERFINDUNGFIELD OF THE INVENTION

Die vorliegende Erfindung betrifft eine Vorrichtung zur Verwendung in einem Entschichtungsbecken, ein Entschichtungsbecken und eine Entschichtungsanlage.The present invention relates to an apparatus for use in a decoating basin, a decoating basin and a decoating plant.

HINTERGRUND DER ERFINDUNGBACKGROUND OF THE INVENTION

Im Stand der Technik sind Entschichtungsanlagen bekannt, die zur Entfernung von Oberflächenschichten beschichteter Werkstücke geeignet sind.In the prior art decoating systems are known which are suitable for the removal of surface layers of coated workpieces.

ZUSAMMENFASSUNG DER ERFINDUNGSUMMARY OF THE INVENTION

Die Entfernung von Oberflächen beschichteter Werkstücke erfordert je nach Art und Struktur der Beschichtung eine erhebliche Zeit.The removal of surfaces of coated workpieces requires a considerable amount of time, depending on the type and structure of the coating.

Es kann daher als eine Aufgabe der vorliegenden Erfindung betrachtet werden, die Zeitdauer zur Entfernung der Oberflächen beschichteter Werkstücke zu verkürzen.It can therefore be considered as an object of the present invention to shorten the time for removing the surfaces of coated workpieces.

Diese Aufgabe wird in den unabhängigen Ansprüchen gelöst. Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.This object is solved in the independent claims. Further advantageous embodiments of the invention will become apparent from the dependent claims.

Als erste Ausführungsform der Erfindung wird eine Vorrichtung zur dosierten Abgabe eines Fluids an eine Lösung eines Entschichtungsbeckens zur Verfügung gestellt, wobei die Vorrichtung umfasst: ein Dosierrohr zum Leiten des Fluids, wobei das Dosierrrohr mindestens einen Durchlass aufweist, der derart ausgebildet ist, dass das Fluid dosiert der Lösung des Entschichtungsbeckens zuführbar ist.As a first embodiment of the invention, there is provided an apparatus for metered delivery of a fluid to a solution of a stripping tank, the apparatus comprising: a metering tube for conducting the fluid, the metering tube having at least one passage formed such that the fluid metered the solution of the decoating pool can be fed.

Die Zuführung eines Fluids in die Lösung eines Entschichtungsbeckens kann zu Verwirbelungen insbesondere an den zu entschichtenden Werkstücken führen. Das Entschichten ganzer Schichtstücke kann dadurch erleichtert werden, dass diese durch einen aufsteigenden Fluidstrom mechanisch bewegt bzw. verwirbelt werden. Als in die Lösung des Entschichtungsbeckens eingebrachtes Fluid kann z.B. Luft, Wasser oder sonstige geeignete Gase oder Flüssigkeiten verwendet werden.The supply of a fluid into the solution of a decoating basin can lead to turbulences in particular at the workpieces to be stripped. The stripping of entire layer pieces can be facilitated by the fact that they are mechanically moved or swirled by an ascending fluid flow. As fluid introduced into the solution of the decoating basin may e.g. Air, water or other suitable gases or liquids are used.

Als zweite Ausführungsform der Erfindung wird ein Entschichtungsbecken zur Verfügung gestellt, wobei das Entschichtungsbecken umfasst: eine Vorrichtung nach einem der Ansprüche 1 bis 9.As a second embodiment of the invention, there is provided a decoating basin, the decoating basin comprising: a device according to any one of claims 1 to 9.

In einem Entschichtungsbecken mit erfindungsgemäßen Dosierrohren kann ein Entschichtungsvorgang in einem kürzeren Zeitraum durchgeführt werden, da nicht nur ein chemischer bzw. elektrolytischer Ablöseprozess abläuft, sondern auch durch entstehende Wirbel mechanisch der Entschichtungsprozess unterstützt wird.In a stripping tank with dosing tubes according to the invention, a stripping process can be carried out in a shorter period of time since not only does a chemical or electrolytic stripping process take place, but the stripping process also mechanically supports the stripping process.

Als dritte Ausflihrungsform der Erfindung wird eine Entschichtungsanlage umfassend ein Entschichtungsbecken nach einem der Ansprüche 10 bis 13 zur Verfügung gestellt.As a third embodiment of the invention, a decoating system comprising a decoating basin according to one of claims 10 to 13 is provided.

Beispielhafte Ausführungsformen werden in den abhängigen Ansprüchen beschrieben.Exemplary embodiments are described in the dependent claims.

Gemäß einer beispielhaften Ausführungsform der Erfindung wird eine Vorrichtung zur Verfügung gestellt, wobei das Dosierrohr in der Nähe des Bodens des Entschichtungsbeckens angeordnet ist.According to an exemplary embodiment of the invention, an apparatus is provided, wherein the metering tube is arranged in the vicinity of the bottom of the decoating basin.

Die erfindungsgemäßen Dosierrrohre können mit einem Gas, z.B. Luft, gespeist werden. Bei einer Anordnung der Dosierrrohre in der Nähe des Bodens ist in diesem Fall sicher gestellt, dass darüber angeordnete Werkstücke von den aufsteigenden Luftblasen umspült werden, wodurch der Entschichtungsprozess befördert wird. Die Werkstücke könnten auch z.B. oberhalb der Dosierrohre auf einem Lochblech angeordnet werden.The metering tubes according to the invention can be supplied with a gas, eg air. In an arrangement of Dosierrrohre near the bottom is ensured in this case, that overlying workpieces are washed by the rising air bubbles, whereby the decoating process is promoted. The workpieces could also be arranged above the metering tubes on a perforated plate, for example.

In einer weiteren erfindungsgemäßen Ausführungsform wird eine Vorrichtung zur Verfügung gestellt, wobei das Dosierrohr mäanderförmig ausgebildet ist. Eine mäanderförmige Ausbildung der Dosierrohre (bzw. nur eines Dosierohres) z.B. in nur einer Ebene führt zu einer sehr kompakten und daher raumsparenden Anordnung innerhalb eines Entschichtungsbeckens.In a further embodiment of the invention, a device is provided, wherein the metering tube is formed meander-shaped. A meandering design of the metering tubes (or only one metering tube) e.g. in only one level leads to a very compact and therefore space-saving arrangement within a decoating basin.

Gemäß einem weiteren Ausführungsbeispiel der vorliegenden Erfindung wird eine Vorrichtung zur Verfügung gestellt, wobei an einem Ende des Dosierrohrs ein Zufluss und am anderen Ende des Dosierrohrs ein Abfluss für das Fluid angeordnet ist.According to a further embodiment of the present invention, a device is provided, wherein at one end of the metering tube, an inlet and at the other end of the metering tube, a drain for the fluid is arranged.

Durch die Anordnung eines Dosierrohres mit einem Zufluss und einem Abfluss kann ein sehr genaues Dosieren der in die Lösung des Entschichtungsbeckens eingebrachten Fluide vorgenommen werden, da überschüssiges Fluid wieder zurückgeführt werden kann und nicht zwangsläufig in die Lösung geblasen bzw. geleitet werden muss.By arranging a metering tube with an inflow and an outflow, a very accurate metering of the fluids introduced into the solution of the de-coating basin can be carried out since excess fluid can be returned and does not necessarily have to be blown or led into the solution.

Gemäß einer beispielhaften Ausführungsfbrm der Erfindung wird eine Vorrichtung zur Verfügung gestellt, wobei die Vorrichtung umfasst: ein erstes Dosierrohr mit einem ersten Anschluss zur Versorgung mit einem ersten Fluid und ein zweites Dosierrohr mit einem zweiten Anschluss zur Versorgung mit einem zweiten Fluid.According to an exemplary embodiment of the invention, there is provided an apparatus, the apparatus comprising: a first metering tube having a first port for supplying a first fluid and a second metering tube having a second port for supplying a second fluid.

In einer weiteren erfindungsgemäßen Ausführungsform wird eine Vorrichtung zur Verfügung gestellt, wobei das erste Fluid unterschiedlich zum zweiten Fluid ist.In a further embodiment of the invention, a device is provided, wherein the first fluid is different from the second fluid.

Die erfindungsgemäße Vorrichtung kann mit mindestens zwei Dosierrohren versehen werden, wobei das erste Dosierrohr und das zweite Dosierrohr mit unterschiedlichen Fluiden gespeist werden können, wodurch je nach Bereich des Entschichtungsbeckens die zu entschichtenden Werkstücke mit unterschiedlichen Fluiden umwirbelt werden können. Hierdurch kann eine Anpassung an unterschiedliche abzulösende Schichten vorgesehen werden. Es ist ebenso möglich hierdurch je nach Fortschritt des Prozesses der Lösung des Entschichtungsbeckens unterschiedliche Fluide zuzuführen.The device according to the invention can be provided with at least two metering tubes, wherein the first metering tube and the second metering tube can be fed with different fluids, whereby depending on the area of the de-coating tank the workpieces to be stripped can be stirred around with different fluids. As a result, an adaptation to different layers to be removed can be provided. That `s how it is This makes it possible, depending on the progress of the process, to supply different fluids to the solution of the decoating basin.

Gemäß einem weiteren Ausführungsbeispiel der vorliegenden Erfindung wird eine Vorrichtung zur Verfügung gestellt, wobei der erste Anschluss und der zweite Anschluss von einem dritten Anschluss versorgbar ausgebildet sind.According to a further exemplary embodiment of the present invention, a device is provided, wherein the first connection and the second connection can be supplied by a third connection.

Die Versorgung unterschiedlicher Dosierrrohre mit demselben Fluid führt zu einer Vereinfachung des notwendigen Aufbaus, da z.B. nur ein gemeinsames Behältnis zur Bevorratung des notwendigen Fluids erforderlich ist.The supply of different metering tubes with the same fluid leads to a simplification of the necessary structure, since e.g. only a common container for storing the necessary fluid is required.

Gemäß einer beispielhaften Ausführungsform der Erfindung wird eine Vorrichtung zur Verfügung gestellt, wobei das erste Dosierrohr parallel zum zweiten Dosierrobr angeordnet ist.According to an exemplary embodiment of the invention, a device is provided, wherein the first metering tube is arranged parallel to the second metering tube.

Eine parallele Anordnung der Dosierrohre führt zu einem kompakten Aufbau und einem optimalen Ausnutzen der vorhanden Fläche, um eine größtmögliche Verwirbelung der Lösung im Entschichtungsbecken erzielen zu können.A parallel arrangement of the metering leads to a compact design and optimum utilization of the existing surface in order to achieve the greatest possible turbulence of the solution in the stripping tank can.

In einer weiteren erfindungsgemäßen Ausführungsform wird eine Vorrichtung zur Verfügung gestellt, wobei die Vorrichtung eine Vielzahl an Dosierrohren aufweist, wobei die Dosierrohre stemenförmig angeordnet sind.In a further embodiment of the invention, a device is provided, wherein the device has a plurality of metering tubes, wherein the metering tubes are arranged like a stamen.

Eine sternenförmige Anordnung von Dosierrohren führt zu einer vereinfachten Versorgung einer Vielzahl von Dosierrohren, nämlich z.B. am Stemenpunkt und einer Zuführung eines Fluids einer möglichst großen Fläche der Lösung im Entschichtungsbecken.A star-shaped arrangement of metering tubes results in a simplified supply of a plurality of metering tubes, e.g. at the delivery point and a supply of a fluid of the largest possible area of the solution in the stripping tank.

Gemäß einem weiteren Ausfühxungsbeispiel der vorliegenden Erfindung wird ein Entschichtungsbecken zur Verfügung gestellt, wobei das Entschichtungsbecken umfasst: ein Rohr zur Anpassung der Temperatur der Lösung des Entschichtungsbeckens an eine erforderliche Prozesstemperatur.According to another embodiment of the present invention, there is provided a decoating basin, the decoating basin comprising: a tube for adjusting the temperature of the solution of the decoating basin to a required process temperature.

Ein Rohr zur Anpassung der Betriebstemperatur in der Lösung (z.B. Kühlschlangen) ermöglicht die genaue Anpassung des Betriebsparameters Temperatur an z.B. eine Arbeitsanweisung zur Entfernung einer bestimmten Schicht von Werkstücken. Das Rohr wird dabei vorzugsweise zur Kühlung der Lösung benötigt, weswegen es auch als Kühlrohr bezeichnet werden kann.A tube for adjusting the operating temperature in the solution (e.g., cooling coils) allows the exact adjustment of the operating parameter temperature to e.g. a work instruction for removing a specific layer of workpieces. The tube is preferably needed for cooling the solution, which is why it can also be referred to as a cooling tube.

Gemäß einer beispielhaften Ausführungsform der Erfindung wird ein Entschichtungsbecken zur Verfügung gestellt, wobei das Rohr mäanderförmig ausgebildet ist. Eine mäanderförmige Anordnung des Kühlrohres stellt eine optimale Ausnutzung einer begrenzten Fläche innerhalb eines Entschichtungsbeckens dar.According to an exemplary embodiment of the invention, a decoating basin is provided, wherein the tube is formed meander-shaped. A meandering arrangement of the cooling tube represents optimal utilization of a limited area within a decoating basin.

In einer weiteren erfindungsgemäßen Ausführungsform wird ein Entschichtungsbecken zur Verfügung gestellt, wobei das Rohr in derselben Höhe des Entschichtungsbeckens wie das Dosierrohr angeordnet ist, wobei das Dosierrohr zwischen zwei Abschnitten des Rohrs angeordnet ist.In a further embodiment of the invention, a stripping tank is provided, wherein the pipe is disposed at the same level of the stripping tank as the metering pipe, the metering pipe being disposed between two portions of the pipe.

Mit Hilfe des Ineinandergreifens von Kühlrohren und Dosierrohren können Kühl- und Dosierrohre in einer einzigen Ebene angeordnet werden, wodurch der benötigte Platz für die Kühl- und Dosierrohre minimiert werden kann.With the help of the intermeshing of cooling tubes and metering tubes cooling and metering tubes can be arranged in a single plane, whereby the space required for the cooling and metering tubes can be minimized.

Gemäß einem weiteren Ausführungsbeispiel der vorliegenden Erfindung wird eine Entschichtungsanlage zur Verfügung gestellt, umfassend: einen Notauffangbehälter und einen Wasserrückkühler.According to another embodiment of the present invention, there is provided a decoader, comprising: an emergency catcher and a water recooler.

Als eine Idee der Erfindung kann angesehen werden, einen elektrolytischen bzw. chemischen Entschichtungsprozess von Oberflächen beschichteter Werkstücke durch das Zuführen eines Fluids zu unterstützen. Hierbei kann als Fluid z.B. Luft verwendet werden, wobei aufgrund der Luftblasen in der Lösung des Entschichtungsbeckens es zu mechanischen Einwirkungen auf die abzulösende Oberfläche kommt, die hierdurch schneller und gründlicher vom Werkstück abgelöst werden kann.As an idea of the invention, it can be considered to promote an electrolytic or chemical stripping process of surfaces of coated workpieces by supplying a fluid. In this case, for example, air can be used as the fluid, wherein due to the air bubbles in the solution of the decoating basin, mechanical influences on the surface to be detached occur, which can be detached from the workpiece faster and more thoroughly.

Die einzelnen Merkmale können selbstverständlich auch untereinander kombiniert werden, wodurch sich zum Teil auch vorteilhafte Wirkungen einstellen können, die über die Summe der Einzelwirkungen hinausgehen.Of course, the individual features can also be combined with each other, which can also be partially beneficial effects that go beyond the sum of the individual effects.

KURZE BESCHREIBUNG DER ZEICHNUNGENBRIEF DESCRIPTION OF THE DRAWINGS

Weitere Einzelheiten und Vorteile der Erfindung werden anhand der in den Zeichnungen dargestellten Ausführungsbeispiele deutlich. Es zeigen

  • Fig. 1 eine Entschichtungsanlage zum plug and play-Betrieb,
  • Fig. 2 ein Frontpanel eines Schaltschrankes,
  • Fig. 3 eine Draufsicht auf ein Entschichtungsbecken,
  • Fig. 4 eine Draufsicht auf ein Entschichtungsbecken ohne Dosierrohre,
  • Fig. 5 Dosierrohre.
Further details and advantages of the invention will become apparent from the embodiments illustrated in the drawings. Show it
  • Fig. 1 a decoiling system for plug and play operation,
  • Fig. 2 a front panel of a control cabinet,
  • Fig. 3 a top view of a decoating basin,
  • Fig. 4 a plan view of a decoating basin without metering tubes,
  • Fig. 5 Dosing tubes.

DETAILLIERTE BESCHREIBUNG BEISPIELHAFTER AUSFÜHRUNGSFORMENDETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS

Fig. 1 zeigt eine Entschichtungsanlage, die als plug and play-System aufgebaut ist. Die Entschichtungsanlage umfasst eine Statusanzeige 102, die durch Aufleuchten verschiedener Farbelemente den Status des aktuell ablaufenden Prozesses signalisiert. Die Entschichtungsanlage weist ferner einen Schaltschrank 101 zur Prozesssteuerung und ein Entschichtungsbecken 103 auf, in das die zu entschichtenden Werkstücke eingebracht werden können. Die (chemische oder elekrolytische) Lösung des Entschichtungsbeckens 103 kann in einem Notfall über das Ventil 106 in einen Notfallbehälter 107 abgelassen werden. Zur Anpassung der Betriebstemperatur der Lösung des Entschichtungsbeckens 103 an die erforderliche Prozesstemperatur dient ein Wasserrückkühler 104. Die Entschichtungsanlage umfasst einen Computer 108, der der Anbindung an ein betriebliches Netzwerk, ein Intranet bzw. das Internet dient. Fig. 1 shows a decoating system, which is constructed as a plug and play system. The stripping plant comprises a status display 102, which signals the status of the currently running process by illuminating different color elements. The stripping plant further has a control cabinet 101 for process control and a stripping basin 103 into which the workpieces to be stripped can be introduced. The (chemical or electrolytic) solution of the decoating basin 103 can be discharged via the valve 106 into an emergency container 107 in an emergency. A water recooler 104 serves to adapt the operating temperature of the solution of the stripping tank 103 to the required process temperature. The stripping plant comprises a computer 108 which serves to connect to a company network, an intranet or the Internet.

Fig. 2 zeigt das Frontpanel 202 des Schaltschranks mit Anzeigen für Strom und Spannung, sowie einem Spannungswahlschalter 203, einem Potentiometer und einem Alarm-Reset-Schalter 204, den Schaltern Kühlung ein/aus und Umlaufpumpe ein/aus 205, einer Temperaturanzeige 206, einem Schalter Druckluft ein/aus 207 und einem Hauptschalter 208. Fig. 2 shows the front panel 202 of the cabinet with displays for power and voltage, and a voltage selector switch 203, a potentiometer and an alarm reset switch 204, the switches cooling on / off and circulation pump on / off 205, a temperature display 206, a switch compressed air on / from 207 and a main switch 208.

Fig. 3 zeigt eine Draufsicht auf das Entschichtungsbecken mit Rohren 301 zur Anpassung der Betriebstemperatur an die erforderliche Prozesstemperatur. Die Rohre 301 können mäanderförmig und auf einer oder mehreren Ebenen innerhalb des Entschichtungsbeckens angeordnet sein. Auf gleicher oder anderer Ebene innerhalb des Entschichtungsbeckens können Dosierrohre 302, 306 zum Zuführen eines Fluids, z.B. Luft, angeordnet sein. Die Dosierrohre 302, 306 weisen Durchlässe auf und können so dosiert das im Inneren der Dosierrohre 302, 306 geführte Fluid an die Lösung, die aktuell im Entschichtungsbecken vorhanden ist, abgeben. Das abgegebene Fluid führt an der Oberfläche der zu entschichtenden Werkstücke zu Verwirbelungen, wodurch ein Abplätterm der zu entfernenden Schicht beschleunigt werden kann. In dem Entschichtungsbecken kann nur ein einzelnes Dosierrohr angeordnet sein, das z.B. mäanderförmig angeordnet ist. Alternativ können zwei, drei, vier oder eine beliebige Vielzahl an Dosierrohren 302, 306 im Entschichtungsbecken angeordnet sein. Mindestens zwei Dosierrohre können stemenformig von einem gemeinsamen Punkt ausgehen, wobei der gemeinsame Punkt als gemeinsamer Versorgungspunkt genutzt werden kann. In einer alternativen Ausführungsform der Erfindung können mindestens zwei Dosierrohre 302, 306 parallel zueinander angeordnet werden. Einzelne Dosierrohre können einen geschlossenen Kreislauf bilden, wodurch zumindest ein Teil des Fluids zurückgespeist werden kann. Alternativ können einzelne Dosierrohre 302, 306 als eine "Sackgasse" ausgebildet sein und keine Rückführmöglichkeit umfassen. In diesem Fall kann das in das Dosierrohre 302, 306 eingespeiste Fluid vollständig an die Lösung des Entschichtungsbeckens abgegeben werden. Die Rohre 301 können einen geschlossenen Kreislauf mit einem Zufluss 305 und einem Abfluss 303 bilden. Die Rohre 301 weisen typischerweise keine Durchlässe zur Lösung des Entschichtungsbeckens auf. Fig. 3 shows a plan view of the stripping tank with tubes 301 to adjust the operating temperature to the required process temperature. The tubes 301 may be meandered and disposed on one or more levels within the decoating basin. Dosing tubes 302, 306 for supplying a fluid, eg air, can be arranged on the same or another level within the decoating basin. The metering tubes 302, 306 have passages and can metered out the guided in the interior of the metering tubes 302, 306 fluid to the solution that is currently present in the stripping tank. The discharged fluid leads to turbulence on the surface of the workpieces to be stripped, whereby a Abplätterm the layer to be removed can be accelerated. In the decoating basin, only a single metering tube can be arranged, which is arranged, for example meandering. Alternatively, two, three, four, or any plurality of metering tubes 302, 306 may be disposed in the stripping tank. At least two metering tubes can emanate stemenformig from a common point, the common point are used as a common supply point can. In an alternative embodiment of the invention, at least two metering tubes 302, 306 may be arranged parallel to each other. Individual metering tubes can form a closed circuit, whereby at least a portion of the fluid can be fed back. Alternatively, individual metering tubes 302, 306 may be formed as a "dead end" and may not include a return option. In this case, the fluid fed into the metering tube 302, 306 can be completely released to the solution of the decoating basin. The tubes 301 may form a closed circuit with an inlet 305 and a drain 303. The tubes 301 typically do not have passages for dissolving the decoating basin.

Fig. 4 zeigt eine Draufsicht auf das Entschichtungsbecken mit Rohren 401, die mäanderföznaig als Kühlschlangen angeordnet sind. Die Rohre 401 dienen zur Anpassung der Temperatur der Lösung des Entschichtungsbeckens an die erforderliche Prozesstemperatur. In der überwiegenden Mehrzahl der Fälle dienen die Rohre 401 zur Kühlung der Lösung des Entschichtungsbeckens. Fig. 4 shows a plan view of the Entschichtungsbecken with tubes 401, which are arranged meandering meandering as cooling coils. The tubes 401 serve to adapt the temperature of the solution of the decoating basin to the required process temperature. In the vast majority of cases, the tubes 401 serve to cool the solution of the decoating basin.

Fig. 5 zeigt Rohre 501 zum dosierten Abgeben eines Fluids an die Lösung des Entschichtungsbeckens. Die Anordnung weist einen gemeinsamen Anschluss 502 auf, der zur Versorgung der einzelnen Rohre 501 mit Fluiden dient. Die einzelnen Rohre 501 umfassen keinen Rückfluss Fig. 5 shows tubes 501 for metered delivery of a fluid to the solution of the decoating basin. The arrangement has a common connection 502 which serves to supply the individual tubes 501 with fluids. The individual tubes 501 include no reflux

Es sei angemerkt, dass der Begriff "umfassen" weitere Elemente oder Verfahrensschritte nicht ausschließt, ebenso wie der Begriff "ein" und "eine" mehrere Elemente und Schritte nicht ausschließt.It should be noted that the term "comprising" does not exclude other elements or method steps, just as the term "a" and "an" does not exclude multiple elements and steps.

Die verwendeten Bezugszeichen dienen lediglich zur Erhöhung der Verständlichkeit und sollen keinesfalls als einschränkend betrachtet werden, wobei der Schutzbereich der Erfindung durch die Ansprüche wiedergegeben wird.The reference numerals used are for convenience of reference only and are not to be considered as limiting, the scope of the invention being indicated by the claims.

LISTE DER BEZUGSZEICHENLIST OF REFERENCE SIGNS

101101
Frontpanel eines SchaltschranksFront panel of a control cabinet
102102
Statusanzeigestatus display
103103
Entschichtungsbeckendecoating
104104
WasserrückkühlerWater chiller
105105
Gestellframe
106106
Ablassventildrain valve
107107
Notfallbehälteremergency container
108108
Computercomputer
201201
Statusanzeigestatus display
202202
Frontpanel eines SchaltschranksFront panel of a control cabinet
203203
Anzeigen für Strom und Spannung, SpannungswahlschalterIndicators for current and voltage, voltage selector switch
204204
Potentiometer, Alarm-Reset-SchalterPotentiometer, alarm reset switch
205205
Schalter Kühlung ein/aus, Schalter Umlaufpumpe ein/ausSwitch cooling on / off, switch circulating pump on / off
206206
Temperaturanzeigetemperature display
207207
Schalter Druckluft ein/ausSwitch compressed air on / off
208208
Hauptschaltermain switch
301301
Rohr zur Anpassung der BetriebstemperaturTube for adjusting the operating temperature
302302
Dosierrohrdosing
303303
Abflussoutflow
304304
gemeinsamer Anschlusscommon connection
305305
Zuflussinflow
306306
Dosierrohrdosing
307307
Anschlussconnection
308308
Anschlussconnection
401401
Rohrpipe
402402
Abflussoutflow
403403
Zuflussinflow
501501
Dosierrohrdosing
502502
gemeinsamer Anschlusscommon connection

Claims (15)

Vorrichtung zur dosierten Abgabe eines Fluids an eine Lösung eines Entschichtungsbeckens (103), wobei die Vorrichtung umfasst
ein Dosierrohr (302) zum Leiten des Fluids, wobei das Dosierrrohr (302) mindestens einen Durchlass aufweist, der derart ausgebildet ist, dass das Fluid dosiert der Lösung des Entschichtungsbeckens (103) zuführbar ist.Device for the metered delivery of a fluid to a solution of a decoating basin (103), the device comprising
a metering tube (302) for conducting the fluid, wherein the metering tube (302) has at least one passage, which is designed such that the fluid metered to the solution of the decoating basin (103) can be fed. Vorrichtung nach Anspruch 1, wobei das Dosierrohr (302) in der Nähe des Bodens des Entschichtungsbeckens (103) angeordnet ist.The apparatus of claim 1, wherein the dosing tube (302) is disposed near the bottom of the decoating basin (103). Vorrichtung nach einem der Ansprüche 1 oder 2, wobei das Dosierrohr (302) mäanderförmig ausgebildet ist.Device according to one of claims 1 or 2, wherein the metering tube (302) is meander-shaped. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei an einem Ende des Dosierrohrs ein Zufluss und am anderen Ende des Dosierrohrs ein Abfluss für das Fluid angeordnet ist.Device according to one of the preceding claims, wherein at one end of the metering tube, an inflow and at the other end of the metering tube, a drain for the fluid is arranged. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die Vorrichtung umfasst
ein erstes Dosierrohr (302) mit einem ersten Anschluss (307) zur Versorgung mit einem ersten Fluid und
ein zweites Dosierrohr (306) mit einem zweiten Anschluss (308) zur Versorgung mit einem zweiten Fluid.Device according to one of the preceding claims, wherein the device comprises
a first metering tube (302) having a first port (307) for supplying a first fluid and
a second metering tube (306) having a second port (308) for supplying a second fluid. Vorrichtung nach Anspruch 5, wobei das erste Fluid unterschiedlich zum zweiten Fluid ist.The device of claim 5, wherein the first fluid is different than the second fluid. Vorrichtung nach Anspruch 5, wobei der erste Anschluss (307) und der zweite Anschluss (308) von einem dritten Anschluss (304) versorgbar ausgebildet sind.Apparatus according to claim 5, wherein the first terminal (307) and the second terminal (308) are formed by a third terminal (304) supplied. Vorrichtung nach einem der Ansprüche 5 bis 7, wobei das erste Dosierrohr (302) parallel zum zweiten Dosierrohr (306) angeordnet ist.Device according to one of claims 5 to 7, wherein the first metering tube (302) is arranged parallel to the second metering tube (306). Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die Vorrichtung eine Vielzahl an Dosierrohren aufweist, wobei die Dosierrohre stemenförmig angeordnet sind.Device according to one of the preceding claims, wherein the device comprises a plurality of metering tubes, wherein the metering tubes are arranged in a stamen. Entschichtungsbecken (103), wobei das Entschichtungsbecken (103) umfasst eine Vorrichtung nach einem der vorhergehenden Ansprüche.Stripping tank (103), wherein the stripping tank (103) comprises a device according to one of the preceding claims. Entschichtungsbecken (103) nach Anspruch 10, wobei das Entschichtungsbecken (103) umfasst
ein Rohr (301) zur Anpassung der Temperatur der Lösung des Entschichtungsbeckens (103) an eine erforderliche Prozesstemperatur.The decoating basin (103) of claim 10, wherein the decoating basin (103) comprises
a tube (301) for adjusting the temperature of the solution of the decoating basin (103) to a required process temperature. Entschichtungsbecken (103) nach Anspruch 11, wobei das Rohr (301) mäanderförmig ausgebildet ist.The decoating basin (103) according to claim 11, wherein the tube (301) is meander-shaped. Entschichtungsbecken (103) nach Anspruch 12, wobei das Rohr (301) in derselben Höhe des Entschichtungsbeckens (103) wie das Dosierrohr (302, 306) angeordnet ist, wobei das Dosierrohr (302, 306) zwischen zwei Abschnitten des Rohrs (301) angeordnet ist.The stripping tank (103) according to claim 12, wherein the pipe (301) is located at the same level of the stripping tank (103) as the metering pipe (302, 306), the metering pipe (302, 306) being disposed between two sections of the pipe (301) is. Entschichtungsanlage umfassend
ein Entschichtungsbecken (103) nach einem der Ansprüche 10 bis 13.Stripping plant comprising
a decoating basin (103) according to any one of claims 10 to 13. Entschichtungsanlage umfassend
einen Notauffangbehälter (107) und
einen Wasserrückkühler (104).Stripping plant comprising
an emergency container (107) and
a water recooler (104).
EP10010040.3A 2009-09-22 2010-09-20 Surface stripping assembly Active EP2301682B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910042439 DE102009042439A1 (en) 2009-09-22 2009-09-22 reclaiming

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EP2301682A1 true EP2301682A1 (en) 2011-03-30
EP2301682B1 EP2301682B1 (en) 2014-08-13

Family

ID=43533245

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Application Number Title Priority Date Filing Date
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EP (1) EP2301682B1 (en)
DE (1) DE102009042439A1 (en)
WO (1) WO2011035767A1 (en)

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DE1058808B (en) * 1953-05-13 1959-06-04 Ruthner Othmar Device for cleaning and degreasing metal workpieces
DE2914453C2 (en) * 1979-04-10 1983-10-13 Eberhard 8501 Oberasbach Lendle Method and device for decoating a screen printing form
CH682772A5 (en) * 1988-05-03 1993-11-15 Typofot Ag Applying a printing screen with a medium.
TW359943B (en) * 1994-07-18 1999-06-01 Silicon Valley Group Thermal Single body injector and method for delivering gases to a surface
US6119706A (en) * 1997-09-22 2000-09-19 Lucent Technologies Inc. Apparatus for cleaning electronic components
US5904156A (en) * 1997-09-24 1999-05-18 International Business Machines Corporation Dry film resist removal in the presence of electroplated C4's
JP3950319B2 (en) * 2001-10-31 2007-08-01 Ｈｏｙａ株式会社 Method for cleaning glass substrate for information recording medium, method for producing glass substrate for information recording medium, and method for producing information recording medium
DE10229564B4 (en) * 2002-07-01 2009-07-16 Martin Thum Method and apparatus for chemical deburring and polishing
ATE453739T1 (en) * 2004-01-29 2010-01-15 Oerlikon Trading Ag DECOATING PROCESS

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3613700A (en) * 1969-12-15 1971-10-19 Lawrence A Werth Filter cleaning apparatus
US4080975A (en) * 1976-12-09 1978-03-28 Williams Jr Samuel R H Heated and air injected tank for parts cleaner
DE9300476U1 (en) * 1993-01-15 1993-04-08 Völkl, Thomas, 83052 Bruckmühl Device for cleaning dirty objects
US6021788A (en) * 1997-11-18 2000-02-08 King; Kenyon M. Apparatus and method for washing articles

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DE102009042439A1 (en) 2011-03-31
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