EP0486912B1 - Dispositif pour la vidange et la fermeture des tonneaux pour le traitement électrolytique ou chimique de surface des pièces en vrac - Google Patents

Dispositif pour la vidange et la fermeture des tonneaux pour le traitement électrolytique ou chimique de surface des pièces en vrac Download PDF

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Publication number
EP0486912B1
EP0486912B1 EP91119141A EP91119141A EP0486912B1 EP 0486912 B1 EP0486912 B1 EP 0486912B1 EP 91119141 A EP91119141 A EP 91119141A EP 91119141 A EP91119141 A EP 91119141A EP 0486912 B1 EP0486912 B1 EP 0486912B1
Authority
EP
European Patent Office
Prior art keywords
drum
immersion
drainage
treatment
drums
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.)
Expired - Lifetime
Application number
EP91119141A
Other languages
German (de)
English (en)
Other versions
EP0486912A3 (fr
EP0486912A2 (fr
Inventor
Heinz Strecke
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.)
MANZ GALVANO-TECHNIK GMBH.
Original Assignee
Manz Galvano-Technik 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 Manz Galvano-Technik GmbH filed Critical Manz Galvano-Technik GmbH
Publication of EP0486912A2 publication Critical patent/EP0486912A2/fr
Publication of EP0486912A3 publication Critical patent/EP0486912A3/xx
Application granted granted Critical
Publication of EP0486912B1 publication Critical patent/EP0486912B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/16—Apparatus for electrolytic coating of small objects in bulk
    • C25D17/18—Apparatus for electrolytic coating of small objects in bulk having closed containers
    • C25D17/20—Horizontal barrels

Definitions

  • the invention relates to devices for environmental protection to minimize the carry-over of treatment solutions in the rinsing and / or waste water circuit in the galvanic and / or chemical surface treatment of mass parts in submersible drums; after lifting the immersion drum from the treatment bath, the treatment solution is returned to the treatment bath by means of a locking and drainage system.
  • Methods are known in which compressed air and / or vacuum systems are intended to separate the treatment solution from the goods and the drum body. Methods are also known in which the submersible drums are sprayed with water in order to dilute the treatment solutions.
  • FIG. 1 shows a side view of the basic structure of a galvanic drum system, the details of which are assumed to be known.
  • FIG. 7 shows an example of the arrangement of the locking and drainage device on the cover of a submersible drum.
  • the immersion drum (1) is rotated in direction (B) by means of a rotary drum drive (16), the goods and the treatment solution can no longer slide off the inner jacket of the immersion drum (1) , Goods and treatment solution are taken through the locking bar (2) and the drainage bar (3); The treatment solution is forcibly separated from the immersion drum (1) via the drainage strip (3).
  • a drip tray (15) ensures that the emerging treatment solution is also separated from the outer jacket of the immersion drum (1).
  • the rotary movement of the immersion drum (1) can take place continuously or in order to prevent the treatment solution from overflowing via the blocking and drainage device.
  • the hole diameter (5) of the perforation of the drum jacket (4) is usually not sufficient to separate the treatment solution quickly and with high efficiency from the immersion drum (1).
  • the part of the drum jacket (4) that belongs to the drainage channel (DK) is provided with large openings (6). Furthermore, the outflow behavior of the treatment solution from the drainage channel (DK) can be improved through openings (7) on the two end faces (8) and (8 ') of the immersion drum (1).
  • the drum cover (4 ') can easily be equipped with a drainage channel (DK), or can be exchanged for one with a drainage channel (DK).
  • the immersion drums (1) are transported through the treatment baths (13) by the station (14) by means of a transport system (10) to which a collecting trough (11) which can be extended on two sides can be attached.
  • a transport system (10) to which a collecting trough (11) which can be extended on two sides can be attached.
  • the treatment solution still dripping from the immersion drum (1) can still be collected in the collecting trough (11).
  • the collecting trough (11) is returned to the treatment bath (13P) one or the other side extended from the transport system (10).
  • the treatment solution collected in the drip pan (11) is drained into the treatment bath (13P) via the controllable solenoid valve (12).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Coating With Molten Metal (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Centrifugal Separators (AREA)

Claims (7)

  1. Dispositif permettant de rendre minimale la pollution de l'environnement lors du traitement de surface, galvanoplastique et/ou chimique, de pièces fabriquées en grande série, dans des tambours d'immersion (1), par recyclage des solutions de traitement une fois le tambour d'immersion (1) soulevé hors des postes de traitement (13), caractérisé en ce que les tambours d'immersion (1) sont équipés d'un ou plusieurs dispositis de retenue et de drainage (DK) et possèdent une ou plusieurs barres d'égouttage (15) et un élément de positionnement (9) et en ce que le dispositif de retenue est de drainage (DK / DK') présente une disposition rectiligne ou en arc de cercle dans le tambour d'immersion (1).
  2. Dispositif selon la revendication 1, caractérisé en ce que le conduit de drainage (DK) est formé d'une barre de retenue (2), de la paroi périphérique de tambour (4) et d'une barre de drainage (3) ou uniquement d'une barre de retenue (2) et de Ii paroi périphérique de tambour (4).
  3. Dispositif selon les revendications 1 et 2, caractérisé en ce que le diamètre des perforations de paroi de tambour (6) du conduit de drainage (DK) est supérieur à celui des perforations (5) de la paroi périphérique de tambour (4).
  4. Dispositif selon les revendications 1 à 3, caractérisé en ce que, dans le prolongement du conduit de drainage (DK), deux disques frontaux de tambour (8 et 8') présentent des ouvertures (7).
  5. Dispositif selon les revendications 1 à 4, caractérisé en ce ce que des dispositifs de retenue et de drainage sont disposés aussi bien sur des tambours à section polygonale que sur des tambours à section circulaire.
  6. Dispositif selon les revendications 1 à 5, caractérisé en ce qu'un système de commande commande l'entraînement en rotation (16) du tambour.
  7. Dispositif selon les revendications 1 à 6, caractérisé en ce que le système de transport (10) des tambours d'immersion comporte une cuvette collectrice (11) qui est agencée de façon à pouvoir être écartée de deux côtés et qui comporte une valve (12) à commande électromagnétique.
EP91119141A 1990-11-19 1991-11-11 Dispositif pour la vidange et la fermeture des tonneaux pour le traitement électrolytique ou chimique de surface des pièces en vrac Expired - Lifetime EP0486912B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4036836 1990-11-19
DE4036836 1990-11-19

Publications (3)

Publication Number Publication Date
EP0486912A2 EP0486912A2 (fr) 1992-05-27
EP0486912A3 EP0486912A3 (fr) 1994-03-23
EP0486912B1 true EP0486912B1 (fr) 1996-02-07

Family

ID=6418546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91119141A Expired - Lifetime EP0486912B1 (fr) 1990-11-19 1991-11-11 Dispositif pour la vidange et la fermeture des tonneaux pour le traitement électrolytique ou chimique de surface des pièces en vrac

Country Status (4)

Country Link
EP (1) EP0486912B1 (fr)
AT (1) ATE134002T1 (fr)
DK (1) DK0486912T3 (fr)
ES (1) ES2082908T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9226729D0 (en) * 1992-12-22 1993-02-17 Wellcome Found Therapeutic combination
CN110923794B (zh) * 2019-12-30 2020-12-15 温州拓日工业设计有限公司 一种小型环保密封滚镀装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801508A1 (de) * 1978-01-12 1979-07-19 Schering Ag Vorrichtung zum zufuehren von fluessigkeiten oder gasen in den innenraum von trommeln zum galvanisieren oder zur chemischen behandlung
SU1305201A2 (ru) * 1985-12-10 1987-04-23 Центральное Конструкторское Бюро Оборудования Гальванопокрытий При Тамбовском Заводе Гальванического Оборудования Устройство дл нанесени гальванических покрытий на мелкие детали

Also Published As

Publication number Publication date
EP0486912A3 (fr) 1994-03-23
DK0486912T3 (da) 1996-03-18
EP0486912A2 (fr) 1992-05-27
ES2082908T3 (es) 1996-04-01
ATE134002T1 (de) 1996-02-15

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