EP2119814A1 - Agencement de cellules de dialyse dans des installations de revêtement immergées - Google Patents

Agencement de cellules de dialyse dans des installations de revêtement immergées Download PDF

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Publication number
EP2119814A1
EP2119814A1 EP08009158A EP08009158A EP2119814A1 EP 2119814 A1 EP2119814 A1 EP 2119814A1 EP 08009158 A EP08009158 A EP 08009158A EP 08009158 A EP08009158 A EP 08009158A EP 2119814 A1 EP2119814 A1 EP 2119814A1
Authority
EP
European Patent Office
Prior art keywords
dialysis
cells
dialysis cells
electrophoresis bath
frame
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.)
Withdrawn
Application number
EP08009158A
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German (de)
English (en)
Inventor
Ingo Krautmacher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ekk Elektro-Kohle-Koln & Co KG GmbH
Original Assignee
Ekk Elektro-Kohle-Koln & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ekk Elektro-Kohle-Koln & Co KG GmbH filed Critical Ekk Elektro-Kohle-Koln & Co KG GmbH
Priority to EP08009158A priority Critical patent/EP2119814A1/fr
Publication of EP2119814A1 publication Critical patent/EP2119814A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/22—Servicing or operating apparatus or multistep processes

Definitions

  • electrophoretic dip coating systems in particular dip coating systems for coating or painting car bodies, the electrical current is introduced into the electrophoresis bath by dialysis cells, which are each arranged in a vertical orientation along the opposite side walls of the electrophoresis bath.
  • dialysis cells which are each arranged in a vertical orientation along the opposite side walls of the electrophoresis bath.
  • tubular dialysis cells are used.
  • the bodies to be coated are immersed on a hanging conveyor suspended in the electrophoresis bath and moved along the same through this.
  • Fig. 1 of the drawings shows such a conventional arrangement according to the prior art in a schematic representation.
  • rows of vertically oriented Rohrdialysezellen 2 are arranged.
  • a car body K shown schematically is conveyed through the tank in operation (suspension conveyor omitted).
  • the tube dialysis cells 2 are connected as an anode, and the car body K is connected as a cathode.
  • the object of the invention in contrast, is to provide a new dialysis cell arrangement for dip coating systems, which optimizes the dip coating process in terms of energy efficiency and uniformity of the coating.
  • the invention proposes a horizontal, ie horizontal arrangement of the dialysis cells, namely on a support frame which, together with the dialysis cells supported thereon, results in a dialysis cell arrangement approximately in the form of a longitudinally slotted tubular body.
  • the dialysis cell assembly thus forms a tubular, open at the ends and up in the form of a longitudinal central slot cage, said slot opening allows the implementation of the hangers of the overhead conveyor.
  • Carrying out the bodies by the electrophoresis bath is preferably carried out inverted, ie with the roof down.
  • the two body side regions have a relatively small distance to the dialysis cells, while the distance of the central regions of the roof and floor areas of the body is much larger, namely a multiple.
  • the distance between the body side areas and the dialysis cells in the conventional arrangement is about 500 mm, while the distance of the roof and floor center area about 1 500 mm, that is about three times.
  • FIGS. 2 and 3 schematically show an embodiment of the invention, wherein Fig. 2 a perspective view and Fig. 3 shows a cross section.
  • each horizontally oriented dialysis cells 3 are mounted on a frame 4, which is inserted into the electrophoresis bath 1 in the inventive arrangement.
  • the dialysis cell assembly formed from the frame 4 and the dialysis cells 3 mounted thereon has the configuration of a longitudinally slotted tube and encloses, as in the cross section Fig. 3 clearly shows a guided through the electrophoresis bath car body K as a coat substantially on all sides.
  • the above lying longitudinal slot-shaped open area of the dialysis cell arrangement allows the passage of the suspension device of the suspension conveyor, by means of which the car bodies are conveyed through the electrophoresis bath.
  • both dialysis cell arrangements according to the invention have substantially the same distance from the electrophoresis cells over the entire body circumference everywhere. This results in a very uniform current distribution over the entire body surface and thus a very even coating.
  • the dialysis cell arrangement according to the invention can be adapted much more flexibly to the conditions in the various body areas. For example, in the area of the side window surfaces of the body, less anode area is required, and in the area of the door sills or the roof, more anode area is needed. In the conventional arrangement, such considerations can not be taken into account.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating Apparatus (AREA)
EP08009158A 2008-05-17 2008-05-17 Agencement de cellules de dialyse dans des installations de revêtement immergées Withdrawn EP2119814A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08009158A EP2119814A1 (fr) 2008-05-17 2008-05-17 Agencement de cellules de dialyse dans des installations de revêtement immergées

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08009158A EP2119814A1 (fr) 2008-05-17 2008-05-17 Agencement de cellules de dialyse dans des installations de revêtement immergées

Publications (1)

Publication Number Publication Date
EP2119814A1 true EP2119814A1 (fr) 2009-11-18

Family

ID=39776998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08009158A Withdrawn EP2119814A1 (fr) 2008-05-17 2008-05-17 Agencement de cellules de dialyse dans des installations de revêtement immergées

Country Status (1)

Country Link
EP (1) EP2119814A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114214705A (zh) * 2021-12-16 2022-03-22 沈阳天通电气有限公司 一种对宽幅多片型工件表面进行电泳涂装的工艺方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19606000C1 (de) * 1996-02-17 1996-12-19 Daimler Benz Ag Elektrolytbad für eine kathodische Tauchlackierung von Fahrzeugkarosserien
DE19914374A1 (de) * 1999-03-30 2000-10-05 Elektro Kohle Koeln Gmbh & Co Dialysezelle für elektrophoretische Beschichtungsbäder
EP1388596A2 (fr) * 2002-08-01 2004-02-11 EISENMANN MASCHINENBAU KG (Komplementär: EISENMANN-Stiftung) Installation pour la peinture électrophorétique cathodique des objets

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19606000C1 (de) * 1996-02-17 1996-12-19 Daimler Benz Ag Elektrolytbad für eine kathodische Tauchlackierung von Fahrzeugkarosserien
DE19914374A1 (de) * 1999-03-30 2000-10-05 Elektro Kohle Koeln Gmbh & Co Dialysezelle für elektrophoretische Beschichtungsbäder
EP1388596A2 (fr) * 2002-08-01 2004-02-11 EISENMANN MASCHINENBAU KG (Komplementär: EISENMANN-Stiftung) Installation pour la peinture électrophorétique cathodique des objets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114214705A (zh) * 2021-12-16 2022-03-22 沈阳天通电气有限公司 一种对宽幅多片型工件表面进行电泳涂装的工艺方法

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