EP0196420B1 - Hochgeschwindigkeits-Elektrolysezelle für die Veredelung von bandförmigem Gut - Google Patents

Hochgeschwindigkeits-Elektrolysezelle für die Veredelung von bandförmigem Gut Download PDF

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Publication number
EP0196420B1
EP0196420B1 EP86101387A EP86101387A EP0196420B1 EP 0196420 B1 EP0196420 B1 EP 0196420B1 EP 86101387 A EP86101387 A EP 86101387A EP 86101387 A EP86101387 A EP 86101387A EP 0196420 B1 EP0196420 B1 EP 0196420B1
Authority
EP
European Patent Office
Prior art keywords
strip
electrolyte
anodes
strip section
roller
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
EP86101387A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0196420A3 (en
EP0196420A2 (de
Inventor
Werner Dipl.-Ing. Bechem
Hubertus Dipl.-Ing. Peters
Werner Solbach
Dietrich Dr. Ing. Wolfhard
Hans-Joachim Dipl.-Ing. May
Roland Dipl.-Ing. Schnettler
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.)
Hoesch Stahl AG
Original Assignee
Hoesch Stahl 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
Application filed by Hoesch Stahl AG filed Critical Hoesch Stahl AG
Priority to AT86101387T priority Critical patent/ATE53867T1/de
Publication of EP0196420A2 publication Critical patent/EP0196420A2/de
Publication of EP0196420A3 publication Critical patent/EP0196420A3/de
Application granted granted Critical
Publication of EP0196420B1 publication Critical patent/EP0196420B1/de
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
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/08—Electroplating with moving electrolyte e.g. jet electroplating
    • 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
    • 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
    • C25D7/0685—Spraying of electrolyte

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • Such a device is known from FR-A 2 551 467.
  • a steel strip is guided through an electrolyte bath from an upper deflecting or current roller to a lower deflecting immersion roller and from there to a further upper deflecting or current roller.
  • the descending and ascending strip sections to be coated are each guided in a gap between vertically arranged anodes.
  • An electrolyte flow is generated via pumps and corresponding lines arranged outside the cell or the housing, which lead to nozzles at the gap entry, which acts on the respective strip sections at high speed against the strip running direction.
  • the entire amount of electrolyte in the housing is continuously circulated via the external pumps at high flow rates.
  • the object of the invention is to reduce the energy required for the circulation of the electrolyte in a device of the type mentioned.
  • the electrolyte guide according to the invention in separate housings around the ascending and descending strip section to be coated in connection with the liquid jet pumps arranged at the gap entry into the anode-cathode space leads to relatively small structural units of devices according to the invention, since the amount of electrolyte to be circulated is decisively reduced and the proposed liquid jet pumps compared the commonly used external circulation pumps have much smaller dimensions with comparable performance. The energy requirement for the circulation of the electrolyte is significantly reduced.
  • the galvanizing cell 4 shown in Fig. 1 is usually part of a system in which several such devices are arranged one behind the other.
  • the steel strip 1 to be coated runs in the middle from an upper current roller 2 with its descending strip portion 11 in the gap 6 between vertically arranged anodes 5 to an immersion roller 3 which is arranged in the housing 4 filled with the electrolyte. From this deflecting immersion roller 3, the belt 1 with its rising belt section 12 is in turn guided through vertically arranged rows of anodes 7 parallel to one another in the correspondingly formed gap 8 to a further upper current roller 2.
  • the anodes 5 and 7 are arranged with their surface facing the strip parallel to the plane of the strip being carried out and are detachably suspended from the upper anode ends 51 and 71, respectively.
  • a separate housing 41 is formed around the anode pairs 5, in which an electrolyte flow in the direction of the arrow is maintained.
  • liquid jet pumps 9 are arranged in the space between the housing wall and the anodes 5, the mixing tubes 91 of which are directed with their slot-nozzle-like ends against the lower side of the gap 6.
  • an electrolyte flow opposite to the tape running direction can be achieved with high flow velocity or with high flow pressure, which is usually kept turbulent and leads to favorable electrolysis conditions for the performed tape section 11.
  • the electrolyte portion overflowing at the top between the electrodes 51 partially flows into the overflow collector 43 and from there is fed back to the jet pumps 9 by an external system with pumps, filters, heat exchanger unit and the like.
  • a separate housing 42 is also provided around the anodes 7, in the gap 8 of which the rising strip section 12 is guided.
  • the direction of the electrolyte current maintained in this housing is also indicated by arrows.
  • the electrolyte is sucked into the lower region of the gap 8 via liquid jet pumps 10 and their mixing tubes 101 and pressed through the mixing tubes 101 into the corresponding space between housing 42 and anodes 7. Due to the suction effect, a high flow velocity is achieved in the gap 8 against the running direction of the belt section 12.
  • the overflow current exiting between the anode ends 71 again flows into the overflow catcher 43 and is fed back to the jet pumps 10 via the inflow pipes 102 from the intermediate treatment system.
  • the corresponding inflow pipes to the jet pumps 9 are designated by the number 92.

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)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
EP86101387A 1985-03-23 1986-02-03 Hochgeschwindigkeits-Elektrolysezelle für die Veredelung von bandförmigem Gut Expired - Lifetime EP0196420B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86101387T ATE53867T1 (de) 1985-03-23 1986-02-03 Hochgeschwindigkeits-elektrolysezelle fuer die veredelung von bandfoermigem gut.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853510592 DE3510592A1 (de) 1985-03-23 1985-03-23 Hochgeschwindigkeits-elektrolysezelle fuer die veredelung von bandfoermigem gut
DE3510592 1985-03-23

Publications (3)

Publication Number Publication Date
EP0196420A2 EP0196420A2 (de) 1986-10-08
EP0196420A3 EP0196420A3 (en) 1987-12-09
EP0196420B1 true EP0196420B1 (de) 1990-05-02

Family

ID=6266135

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86101387A Expired - Lifetime EP0196420B1 (de) 1985-03-23 1986-02-03 Hochgeschwindigkeits-Elektrolysezelle für die Veredelung von bandförmigem Gut

Country Status (9)

Country Link
US (1) US4762602A (enrdf_load_stackoverflow)
EP (1) EP0196420B1 (enrdf_load_stackoverflow)
JP (1) JPH0699839B2 (enrdf_load_stackoverflow)
KR (1) KR930004561B1 (enrdf_load_stackoverflow)
AT (1) ATE53867T1 (enrdf_load_stackoverflow)
AU (1) AU584401B2 (enrdf_load_stackoverflow)
CA (1) CA1277283C (enrdf_load_stackoverflow)
DE (2) DE3510592A1 (enrdf_load_stackoverflow)
ES (1) ES8702955A1 (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1214758B (it) * 1986-12-18 1990-01-18 Centro Speriment Metallurg Processo per il trattamento elettrolitico in continuo di metalli e dispositivo per attuarlo
DE3901807A1 (de) * 1989-01-21 1990-07-26 Roland Schnettler Vorrichtung zum elektrolytischen abscheiden von metallen auf einer oder beiden seiten von baendern
DE4143015C2 (de) * 1991-12-24 1994-07-14 Giv Grundstuecks Und Industrie Stromrolle
DE59402538D1 (de) * 1994-02-15 1997-05-28 Ecograph Ag Verfahren und vorrichtung zur elektrolytischen oberflächenbeschichtung von werkstücken
DE19510667A1 (de) * 1995-03-23 1996-09-26 Schloemann Siemag Ag Abscheidevorrichtung für Metalle aus einem metallhaltigen Elektrolyten
FR2765597B1 (fr) * 1997-07-02 1999-09-17 Kvaerner Metals Clecim Installation de revetement electrolytique de bandes metalliques, et anode pour une telle installation
KR20010018167A (ko) * 1999-08-17 2001-03-05 신현준 수직형 전기도금조를 구비한 금속 스트립의 전기도금장치
CN108588758A (zh) * 2018-02-24 2018-09-28 洛阳三轩金研环保科技有限公司 一种用于高密度银电解槽的电解液循环系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673836A (en) * 1950-11-22 1954-03-30 United States Steel Corp Continuous electrolytic pickling and tin plating of steel strip
AU540287B2 (en) * 1982-02-10 1984-11-08 Nippon Steel Corporation Continuous electrolytic treatment of metal strip using horizontal electrodes
NL8300946A (nl) * 1983-03-16 1984-10-16 Hoogovens Groep Bv Inrichting voor het tweezijdig electrolytisch bekleden van metaalband.
IT1173714B (it) * 1983-05-16 1987-06-24 Centro Speriment Metallurg Dispositivo per il trattamento elettrolitico di nastri metallici
DE3432821A1 (de) * 1983-09-07 1985-03-21 Mitsubishi Jukogyo K.K., Tokio/Tokyo Verfahren und vorrichtung zur kontinuierlichen galvanischen legierungsabscheidung
JPS6056092A (ja) * 1983-09-07 1985-04-01 Sumitomo Metal Ind Ltd 連続式合金電気メツキ方法および装置
DE3468239D1 (en) * 1983-11-10 1988-02-04 Hoesch Ag Process and apparatus for the electrolytical deposition of metals
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
JPS6173897A (ja) * 1984-09-20 1986-04-16 Nippon Kokan Kk <Nkk> 垂直型電気亜鉛めつき装置
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

Also Published As

Publication number Publication date
US4762602A (en) 1988-08-09
ES8702955A1 (es) 1987-01-16
JPS61221398A (ja) 1986-10-01
EP0196420A3 (en) 1987-12-09
DE3670865D1 (de) 1990-06-07
DE3510592C2 (enrdf_load_stackoverflow) 1989-05-24
KR930004561B1 (ko) 1993-06-01
AU584401B2 (en) 1989-05-25
AU5491286A (en) 1986-09-25
ES553221A0 (es) 1987-01-16
JPH0699839B2 (ja) 1994-12-07
KR860007399A (ko) 1986-10-10
DE3510592A1 (de) 1986-10-02
EP0196420A2 (de) 1986-10-08
ATE53867T1 (de) 1990-06-15
CA1277283C (en) 1990-12-04

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