EP0733724B2 - Dispositif séparateur de métaux des électrolytes les contenant - Google Patents

Dispositif séparateur de métaux des électrolytes les contenant Download PDF

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Publication number
EP0733724B2
EP0733724B2 EP96103925A EP96103925A EP0733724B2 EP 0733724 B2 EP0733724 B2 EP 0733724B2 EP 96103925 A EP96103925 A EP 96103925A EP 96103925 A EP96103925 A EP 96103925A EP 0733724 B2 EP0733724 B2 EP 0733724B2
Authority
EP
European Patent Office
Prior art keywords
coating
cassettes
plates
depositing
depositing apparatus
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
EP96103925A
Other languages
German (de)
English (en)
Other versions
EP0733724B1 (fr
EP0733724A1 (fr
Inventor
Werner Schimion
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.)
SMS Siemag AG
Original Assignee
SMS Demag AG
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
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Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP0733724A1 publication Critical patent/EP0733724A1/fr
Application granted granted Critical
Publication of EP0733724B1 publication Critical patent/EP0733724B1/fr
Publication of EP0733724B2 publication Critical patent/EP0733724B2/fr
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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
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C25D7/0614—Strips or foils
    • C25D7/0628—In vertical cells

Definitions

  • the invention relates to a separating device for Metals from a metal-containing electrolyte, in particular for coating steel strips, consisting from vertical coating cassettes lined up, in which the one to be coated, from an upper one Deflecting and / or current roller running tape too a lower, deflecting role and from there to one guided further upper deflection and / or flow roller is, the one running downwards or upwards, respectively Band section a gap between perpendicular arranged anodes happens and by a means Pumps of circulating electrolyte flow preferably can be applied against the tape direction is, with two opposite walls of the Coating cassettes designed as anode plates are and adjacent anode plates successive coating cassettes a deposition room limit.
  • the invention is therefore based on the object Generic separator for electrolytic Deposition of metals. especially of Zinc, easier from aqueous solutions of metal salts and make it more economical.
  • this object is achieved by that the respective coating cassettes can be moved out laterally by means of support and slide rails arranged at the bottom of the coating cassettes and that bypass channels are provided within the coating cassettes for supplying the deposition spaces with electrolyte, which are connected to inflow and outflow lines. That by electric current effecting deposition is on a deposition room limited, on the one hand, from the insoluble Anode plates arranged parallel to each other Longitudinal anode walls of adjacent coating cassettes and on the other hand from the two side openings of the anode plate pair preferably one and extendable locking plates is formed.
  • Coating cassettes can be used in an open frame construction execute, i.e. there are only side end walls available.
  • the coating cassette can have a closed, i.e. also provided with walls on the front Have frames.
  • An embodiment of the invention provides that on upper and lower ends of the anode plates and outflow slots are arranged, which over the extend the entire anode width. Whether the inflow point The top or bottom depends on the direction of the tape from.
  • the slots can be advantageous through slit nozzles that are either outside, in front of the anode plates, or in the anode plates can be integrated; they definitely allow one Uniform flow speed over the full anode width and thereby create a prerequisite for an even coil coating.
  • the on the inlet and outlet slots connected diversion channels are with inflow / outflow lines connected, which lead to a suction tank, in which is for the suction of the electrolyte after the Flow through the two subspaces of the separation room can set required vacuum.
  • the one out the electrolyte escaping from the coating cassettes flows freely, reaches a collecting trough and flows from there from an open gradient further into an electrolyte collection container. From there it can be pumped Coating cartridges are fed back. It is also possible, the drip pan as an electrolyte to be used for the pumps.
  • the strip edges facing narrow sides of the locking plates with - edge masks known from DE 41 39 066 A1 are provided. While the retractable and extendable Strike plates the box-shaped separation room completely seal laterally, enclose the edge masks, for example open towards the band edges U-profiles, the hinge sides without contact. You shield the band edges and prevent excessive there Coating, e.g. made of zinc, and therefore an undesirable Bead construction.
  • the strikers are brought up to the belt edges on both sides and consequently reduce the separation or Flow space down to the respective dimension of the Bandwidth that can vary: they cover at the same time the inflow slots outside the bandwidth from and thus ensure that the electrolyte is only in the band area flows.
  • the anode plates are like the edge masks made of electrical non-conductive material existing locking plates completely covered outside the bandwidth, so that in no electricity transmission from these areas one to the other anode plate takes place, for example with different voltages of the anode plates.
  • the adjustment and thus adjustment to the respective Range of strikers with those of them worn edge masks can be motor-driven Threaded spindles or as parallel link trained, connected to a drive Reach swing.
  • the edge masks come with a one-sided coating of the tape another Importance if the anode plate not required not switched off or not removed to the rear Avoid coil coatings.
  • a first coating cassette carries the current roller, one second coating cassette the pulley and the next coating cassette again a current roll etc. by alternating one after the other or Line up the two types of coating cassettes can be used in cassette-type coating systems of any length, i.e. any Create coating capacity.
  • Any coating cassette is identical to one electrolyte supply and two Provide power connections (on / off). The current distribution and the electrolyte flow distribution to each Slot nozzles are inside the coating cassette intended.
  • Another embodiment of the invention provides that the lined up coating cassettes with Quick release fasteners locked together are. With coating cassettes thus anchored to one another possible thermal expansion in System longitudinal direction neither to the gap width of the anode or separation rooms, still on the parallelism the current roles affect each other. The single ones Coating cartridges abut each other, and to absorb tape tensile forces is not an external one Support structure required.
  • doors especially sliding doors, arranged are the cassette design of the lined up Coating cassettes in a simple way continue to be a possibility of the coating system to inspect during operation. For free inspection for free access they need Sliding doors are only pushed open accordingly become; at the same time, a single coating cell with the sliding door open without any problems move out of the coating line to the side.
  • the bulkheads could be used for visual inspection only or boxes also made of a transparent Material.
  • the coating cassettes are support and slide rails arranged with which used coating cassettes position or simply from the coating line let out.
  • the control arms which are motor-driven together let it adjust and allow one on lower level in the coating line and the coating cassette positioned there for removal then lift to a higher extension level.
  • coating system 1 for coating of steel strips are three in cassette design in Fig. 1 lined up, vertically arranged coating cassettes 2 and 3 shown.
  • coating cassettes 2 provided with current rollers 4 at the top are in the middle of the coating cassette in the embodiment 3 below one - rubberized to protect the belt or plastic-coated pulley 5. Nevertheless, it is part of the system design. to provide a current roller below instead of a deflection roller, resulting in energy saving, less Cooling effort per roll and because of the halved Stroms to simpler current roles and current transfers could lead.
  • the metal strip to be coated with zinc, for example 6 passes through the coating system 1 in the direction of the bank 7 or B once up or down.
  • the metal strip 6 is from the top and bottom, adjustable guide rollers 9 and 10 guided.
  • the to the metal strip 6 parallel outer walls of the coating cassettes 2, 3 are as anode plates 11, 12 and two adjacent anode plates 11, 12 adjacent coating cassettes 2, 3 and 3, 2 form a separation space 13, the through the continuous metal band 6 in two very flat, rectangular sub-rooms 14, 15 is divided.
  • the coating cassette 2 or 3 are on their narrow sides closed by end walls 16, the distance between the two opposite each other Anode plates 11, 12 of each coating cassette Bridge 2 or 3.
  • the coating cassettes 2 and 3 are concerned dry cells, which the countercurrent to Direction of the metal band under pressure by the Separation spaces 13 fills electrolyte pumped through only the two subspaces separated from the metal strip 6 14, 15 on.
  • To supply the separation areas 13 with the electrolyte are due to the counter current supply according to that in Fig. 1 in the coating cassettes 2 or 3 directed upwards and downwards Arrows 23, 24- at the top and bottom of the Anode plates 11, 12 either inflow slots 25 or outflow slots 26 arranged over the extend the entire anode width.
  • FIG. 2 How to see the side view of FIG. 2 is, in which otherwise essentially only Inlet slot nozzles 25 for the electrolyte and in Supporting power and deflection rollers 4 and 6 are shown.
  • the individual coating cassettes 2 or 3 via bolts arranged on the front with or clamped together so that there is thermal expansion not disadvantageous in the longitudinal direction of the system can impact. From Fig. 3, the coating cassettes 2 shows seen from the left. is closer to recognize that the closing plates 17, 18 there by means of a Spindle drive 44 to the smallest width Bmin of the metal strip 6 corresponding distance measure have been moved towards each other; up to the maximum the occurring bandwidth Bmax mutually opposite locking plates 17, 18 variable adjust.
  • the coating cassettes 2 and 3 are in the execution 5 arranged in a spray box 46. which also serves as a carrier for the storage of the Current rollers 4 and the deflection rollers 5 is used. Instead of the immediate one Environment of the coating cassettes 2, 3
  • the coating cassettes are to be protected by a spray box 46 2.
  • 3 in the embodiment Fig. 6 is in the longitudinal direction of the coating system extending splash walls 47 assigned.
  • On the one hand to inspect the system during operation and on the other hand to remove a coating cassette 2 or 3 by moving out from the side the coating line as for the coating cassette 2 shown in the right part of Fig. 6 are in the bulkheads 47 - or in the embodiment according to FIG. 5 in the Spritzkasten 46 - night sliding doors integrated, which allow free access after opening.
  • FIG. 6 is still one - from that to Fig. 3 different - another variant of a device to adjust the locking plates 17, 18 to Bmin or Bmax or intermediate values can be seen.
  • This consists of one on the left and one on the right of the both adjacent anode plates forming a pair of anodes 11, 12 arranged parallelogram link pair 52, which is by means of an air / hydraulic motor drive be pivoted, causing the locking plates 17, 18 to the desired width.
  • the position of the Parallelogram handlebar pairs 52 correspond to the maximum Width Bmax of the metal strip to be coated 6 and the one swung inwards. dash-dotted marked position corresponds to the smallest occurring Width Bmin of the metal strip to be coated 6.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Claims (11)

  1. Dispositif séparateur de métaux issus d'un électrolyte contenant des métaux, en particulier pour le revêtement de bandes d'acier, se composant de cellules de revêtement verticales jointes bout à bout, dans lequel est guidée la bande à revêtir partant d'une poulie de renvoi et/ou un rouleau de transfert de courant supérieurs vers une poulie de renvoi inférieur et de là vers une poulie de renvoi et/ou un rouleau de transfert de courant supérieurs supplémentaires, où la section de bande respectivement partant vers le bas ou vers le haut passe à travers une fente entre des anodes disposées verticalement et peut être chargée par un courant électrolytique introduit au moyen de pompes dans le circuit, de préférence en sens inverse de celui de la bande, où deux parois opposées, respectivement d'une cellule de revêtement (2, 3), sont formées en tant que plaques d'anode (11, 12) et des plaques d'anode (11, 12) adjacentes les unes aux autres des cellules de revêtement successives (2, 3 ou 3, 2) délimitent un compartiment de séparation (13), caractérisé en ce que les cellules de revêtement en question sont latéralement extractibles au moyen de rails d'appui et de glissement (45) disposés sur le fond des cellules de revêtement et sont prévues avec des canaux de dérivation (27) à l'intérieur des cellules de revêtement pour alimenter le compartiment de séparation en électrolyte, lesquels canaux sont raccordés à des conduites d'amenée et d'évacuation (28, 29).
  2. Dispositif séparateur selon la revendication 1, caractérisé par des fentes (25, 26) d'entrée et de sortie disposées sur l'extrémité supérieure et sur l'extrémité inférieure des plaques d'anode ( 11, 12), se prolongeant sur toute la largeur de l'anode.
  3. Dispositif séparateur selon la revendication 2, caractérisé en ce que les canaux de dérivation (27) sont raccordés aux fentes d'entrée et de sortie (25, 26).
  4. Dispositif séparateur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que des plaques de fermeture (17, 18) insérables et extractibles sont associées aux ouvertures latérales de la paire de plaques d'anode (11, 12).
  5. Dispositif séparateur selon la revendication 4, caractérisé en ce que les côtés étroits des plaques de fermeture (17) tournés vers les bords de la bande sont munis de masques de bord (19).
  6. Dispositif séparateur selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'une première cellule de revêtement (2) porte le rouleau de transfert de courant (4), une deuxième cellule de revêtement (3) la poulie de renvoi (5) et la cellule de revêtement suivante (2) à nouveau un rouleau de transfert de courant (4).
  7. Dispositif séparateur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les cellules de revêtement (2, 3) jointes bout à bout sont verrouillées les unes aux autres avec des clés à serrage rapide (33).
  8. Dispositif séparateur selon l'une quelconque des revendications 1 à 7, caractérisé par des tabliers (47) protégeant latéralement les cellules de revêtement (2, 3).
  9. Dispositif séparateur selon la revendication 8, caractérisé par des portes disposées dans les tabliers (47).
  10. Dispositif séparateur selon la revendication 1, caractérisé en ce que des bras de levage (49) agissent sur le fond des cellules de revêtement (2, 3).
  11. Dispositif séparateur selon l'une quelconque des revendications 1 à 7 et 10, caractérisé en ce que les cellules de revêtement (2, 3) sont disposées dans un tablier (46).
EP96103925A 1995-03-23 1996-03-13 Dispositif séparateur de métaux des électrolytes les contenant Expired - Lifetime EP0733724B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19510667 1995-03-23
DE19510667A DE19510667A1 (de) 1995-03-23 1995-03-23 Abscheidevorrichtung für Metalle aus einem metallhaltigen Elektrolyten

Publications (3)

Publication Number Publication Date
EP0733724A1 EP0733724A1 (fr) 1996-09-25
EP0733724B1 EP0733724B1 (fr) 1998-07-08
EP0733724B2 true EP0733724B2 (fr) 2001-07-18

Family

ID=7757523

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96103925A Expired - Lifetime EP0733724B2 (fr) 1995-03-23 1996-03-13 Dispositif séparateur de métaux des électrolytes les contenant

Country Status (9)

Country Link
US (1) US5718814A (fr)
EP (1) EP0733724B2 (fr)
JP (1) JP3781473B2 (fr)
KR (1) KR100394490B1 (fr)
CN (1) CN1152983C (fr)
AT (1) ATE168142T1 (fr)
CA (1) CA2171378A1 (fr)
DE (2) DE19510667A1 (fr)
TW (1) TW451002B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226289A (zh) * 2011-06-14 2011-10-26 淮海工学院 一种液相等离子体强化纳米复合镀层装置及其使用方法
CN102409367B (zh) * 2011-12-12 2014-04-02 云南驰宏锌锗股份有限公司 一种大面积锌电解阳极板生产线

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4469564A (en) † 1982-08-11 1984-09-04 At&T Bell Laboratories Copper electroplating process

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864235A (en) * 1971-08-25 1975-02-04 Bobrov S B Loop electrolyzer
US4434040A (en) * 1982-09-28 1984-02-28 United States Steel Corporation Vertical-pass electrotreating cell
IT1177925B (it) * 1984-07-24 1987-08-26 Centro Speriment Metallurg Procedimento per elettrodeposizione in continuo di metalli ad elevata denista' di corrente di celle verticali e relativo dispositivo di attuazione
IT1182708B (it) * 1985-02-08 1987-10-05 Centro Speriment Metallurg Perfezionamento nei dispositivi a celle verticali per l'elettrodeposizione, in continuo e a elevata densita' di corrente, di metalli
JPS61190096A (ja) * 1985-02-18 1986-08-23 Nippon Steel Corp 電気めつき設備
DE3510592A1 (de) * 1985-03-23 1986-10-02 Hoesch Stahl AG, 4600 Dortmund Hochgeschwindigkeits-elektrolysezelle fuer die veredelung von bandfoermigem gut
AT394215B (de) * 1988-11-15 1992-02-25 Andritz Ag Maschf Verfahren zur elektrolytischen herstellung einer metallfolie
DE3901807A1 (de) * 1989-01-21 1990-07-26 Roland Schnettler Vorrichtung zum elektrolytischen abscheiden von metallen auf einer oder beiden seiten von baendern
DE4139066A1 (de) * 1991-11-28 1993-06-03 Hans Josef May Vorrichtung zum elektrolytischen metallabscheiden auf metallbaendern

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4469564A (en) † 1982-08-11 1984-09-04 At&T Bell Laboratories Copper electroplating process

Also Published As

Publication number Publication date
ATE168142T1 (de) 1998-07-15
DE59600314D1 (de) 1998-08-13
CN1139710A (zh) 1997-01-08
JPH08269786A (ja) 1996-10-15
KR100394490B1 (ko) 2003-11-17
DE19510667A1 (de) 1996-09-26
JP3781473B2 (ja) 2006-05-31
CA2171378A1 (fr) 1996-09-24
TW451002B (en) 2001-08-21
US5718814A (en) 1998-02-17
EP0733724B1 (fr) 1998-07-08
CN1152983C (zh) 2004-06-09
EP0733724A1 (fr) 1996-09-25

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