EP0486912A2 - 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
EP0486912A2
EP0486912A2 EP91119141A EP91119141A EP0486912A2 EP 0486912 A2 EP0486912 A2 EP 0486912A2 EP 91119141 A EP91119141 A EP 91119141A EP 91119141 A EP91119141 A EP 91119141A EP 0486912 A2 EP0486912 A2 EP 0486912A2
Authority
EP
European Patent Office
Prior art keywords
drum
drainage
treatment
submersible
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.)
Granted
Application number
EP91119141A
Other languages
German (de)
English (en)
Other versions
EP0486912B1 (fr
EP0486912A3 (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 into the rinsing and / or wastewater 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.
  • Dilution methods do not solve environmental problems, but only move them from the production line to the area of wastewater treatment.
  • the invention provides a remedy here.
  • the invention as characterized in the claims, solves the problem of returning the treatment solution directly to the treatment bath by means of a blocking and drainage system, without using air and / or water, after lifting the immersion drum out of a treatment bath.
  • the rotation of the submersible drum, the direction of rotation, the positioning of the locking and drainage device in stop and go operation, as well as the transport sequence are controlled by a control system, whereby the program sequences are freely selectable.
  • a position element on the submersible drum makes it possible in connection with the Control system to fix the stop position of the blocking and drainage device already in the treatment bath and / or while the diving drum is being lifted out of a treatment bath.
  • the advantages achieved by the invention are essentially to be seen in the fact that chemicals are saved, the amount of rinsing water is reduced and the energy consumption is reduced, expensive waste water treatment plants are avoided and the rinsing water circuit is made possible for low-waste / waste-free electroplating. These advantages are achieved in that treatment solutions for avoiding waste are returned to the respective treatment baths within the production line. Further advantages are the simple equipping of submersible drums with a locking and drainage device, the possibility of simply retrofitting existing systems and saving time in the drying process of the goods in drying ovens.
  • 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.2 shows schematically the front view of a submersible drum.
  • 3 shows the cross section of a submersible drum.
  • 4 shows as an example the arrangement of a locking and drainage device in a submersible drum; and a position element attached to an end face of the immersion drum.
  • 5 shows the partial view of a submersible drum in cross section, with a locking and drainage device.
  • Fig. 6 shows the partial view of a submersible drum in cross section, as an example of design options for locking and drainage devices.
  • Fig. 7 shows an example of the arrangement of the locking and drainage device on the lid of a diving drum.
  • FIG 8, 9 and 10 show examples with a bath group of three treatment stations and a lifting and transport carriage, from which the sequence for lifting the immersion drum out of the treatment bath and the further transport to a next treatment bath can be seen.
  • 11 shows a plant in cross section; for the galvanic and / or chemical treatment of mass parts in submersible drums which are transported through the process stations by transport units (lifting and transport vehicles).
  • Blocking strip (2), drainage strip (3) and the drum casing (4) form the straight drainage channel (DK) or the curved drainage channel (DK ').
  • DK straight drainage channel
  • DK ' curved drainage channel
  • 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 carried by 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 goods conglomerate which is located in the immersion drum (1), falls apart and falls back into the interior of the immersion drum (1).
  • the mass-produced goods shake the drum jacket (4) abruptly; as a result, treatment solution is still expelled from the perforation (5) of the drum casing (4).
  • 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 moved out of the transport system (10) to one side or the other.
  • 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)
  • Coating With Molten Metal (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Centrifugal Separators (AREA)
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 true EP0486912A2 (fr) 1992-05-27
EP0486912A3 EP0486912A3 (fr) 1994-03-23
EP0486912B1 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5830455A (en) * 1992-12-22 1998-11-03 Glaxo Wellcome Inc. Method of treatment using a therapeutic combination of α interferon and free radical scavengers
CN110923794A (zh) * 2019-12-30 2020-03-27 裘巧利 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5830455A (en) * 1992-12-22 1998-11-03 Glaxo Wellcome Inc. Method of treatment using a therapeutic combination of α interferon and free radical scavengers
CN110923794A (zh) * 2019-12-30 2020-03-27 裘巧利 一种小型环保密封滚镀装置

Also Published As

Publication number Publication date
EP0486912B1 (fr) 1996-02-07
DK0486912T3 (da) 1996-03-18
EP0486912A3 (fr) 1994-03-23
ES2082908T3 (es) 1996-04-01
ATE134002T1 (de) 1996-02-15

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