EP2841627B1 - Transfer apparatus - Google Patents

Transfer apparatus Download PDF

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Publication number
EP2841627B1
EP2841627B1 EP13781516.3A EP13781516A EP2841627B1 EP 2841627 B1 EP2841627 B1 EP 2841627B1 EP 13781516 A EP13781516 A EP 13781516A EP 2841627 B1 EP2841627 B1 EP 2841627B1
Authority
EP
European Patent Office
Prior art keywords
anode
plate
cathode
counterpart
plates
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.)
Not-in-force
Application number
EP13781516.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2841627A1 (en
EP2841627A4 (en
Inventor
Antero KIVIJÄRVI
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.)
Outotec Finland Oy
Original Assignee
Outotec Finland Oy
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 Outotec Finland Oy filed Critical Outotec Finland Oy
Publication of EP2841627A1 publication Critical patent/EP2841627A1/en
Publication of EP2841627A4 publication Critical patent/EP2841627A4/en
Application granted granted Critical
Publication of EP2841627B1 publication Critical patent/EP2841627B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/06—Operating or servicing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells

Definitions

  • the present invention relates to a transfer apparatus configured to transfer, lift and lower anode plates and cathode plates.
  • a typical transfer apparatus comprises an overhead crane which is movable above the electrolytic cell.
  • the overhead crane comprises a trolley.
  • a grab device is suspended from the trolley so that the grab device is vertically movable.
  • a plurality of cathode hooks are connected to the grab device and arranged in two parallel rows.
  • a pair of cathode hooks is arranged to grab each cathode plate.
  • a plurality of anode hooks are connected to the grab device.
  • a pair of anode hooks is arranged to grab each anode plate.
  • Each anode hook comprises a vertical rotation shaft having an upper end rotatably connected to the grab device.
  • a transversal member is attached at the lower end of the rotation shaft.
  • a driving mechanism is arranged for turning the rotation shafts of the anode hooks between a release position and a grabbing position.
  • the transversal members are adjacent to and in parallel with the hanging lugs of the anode plates, and in the grabbing position the transversal members are turned to extend transversally and underneath in relation to the hanging lugs to be able to support the anode plates for lifting.
  • the prior art apparatus is operated so that first the cathode hooks are placed in a grabbing position to grab the cathodes. Then an intermediate shifting process is performed. In the intermediate shifting process the cathodes are lifted up at a pre-determined height and thereafter shifted somewhat horizontally so that the cathode plates are moved closer to the anode plates at one side of each cathode in order to enlarge the space between each subsequent anode plate and cathode plate at the other side of the anode plates so that the anode hooks can be lowered into the said enlarged space beside the hanging lug of the anode plate in a release position, ready thereafter to be turned to a grabbing position to grab the anode plate.
  • the problem with the prior art transfer apparatus is that the intermediate shifting process, i.e. first lifting the cathode plates up and shifting them horizontally, and then lowering the anode hooks, takes tens of seconds of time as the cathode plates are shifted to a position to enable the anode hooks to grab the anode plates.
  • the horizontal shifting is necessitated by the thickness of the rotation shaft of the anode hook.
  • the rotation shaft is quite sturdy and relatively thick in order to minimize its bending as much as.
  • the rotation shaft tends to bend laterally because the load of the anode plate is directed on the transversal member at a point which is at a distance from the central axis of the rotation shaft and the transversal member is supported at one end only by the rotation shaft.
  • the object of the invention is to eliminate the above-mentioned drawbacks.
  • a particular object of the invention is to introduce a transfer apparatus, the operation of which can be quicker due to a minimized number of movements of the anode and cathode hooks.
  • a further object of the invention is to introduce a transfer apparatus which enables handling of closely packed anode and cathode plates.
  • each anode hook is configured and dimensioned to be insertable into a spacing between the anode plate and the cathode plate residing in the electrolysis cell at a first side of each anode plate to be grabbed and lifted.
  • the apparatus comprises a plurality of counterpart members which are fixedly attached to the grab device, each counterpart member being arranged in pair and in co-operation with an anode hook, and each counterpart member being formed and dimensioned to be insertable into a space between the anode plate and the cathode plate residing in the electrolysis cell at the second side of said anode plate to be grabbed and lifted so that the hanging lug of said anode plate to be grabbed and lifted is between said pair of the anode hook and the counterpart member.
  • the counterpart member comprises a slot into which a part of the transversal member is receivable when the anode hook is turned to the grabbing position.
  • the advantage of the invention is that, due to the additional support for the transversal member provided by the counterpart member, the rotation shaft can be made thinner, because the load from the weight of the anode plate becomes divided between the rotation shaft and the counterpart member at both sides of the hanging lug.
  • a thin rotation shaft fits in a narrow space between the anode and the cathode. Therefore, it is no more necessary to perform the intermediate shifting process for enlarging the spacing between the anode and the cathode, thus making the operation of the transfer apparatus quicker than before.
  • the counterpart member comprises a mounting plate which is connected to the grab device, and a counterpart plate having an upper end fixed to the mounting plate and a free lower end, adjacent to which the slot is formed, said counterpart plate extending in a downward direction and in parallel to the anode plate, the thickness of the counterpart plate being substantially smaller than the spacing between the anode plate and the cathode plate.
  • the lower end of the counterpart plate is chamfered.
  • the transversal member has a chamfered lower end.
  • the rotation shaft and the transversal member have thicknesses smaller than the spacing between the anode plate and the cathode plate.
  • the driving mechanism for turning the rotation shafts of the anode hooks comprises a crank arm fixed to the upper end of each rotation shaft, a connecting rod to which each crank arm is pivotally connected at a distance from the rotation axis of the rotation shaft, and a transfer means for moving the connecting rod.
  • Figure 1 schematically shows a transfer apparatus 1 which is configured to lift and lower anode plates 2 and cathode plates 3.
  • the grabbing, lifting and lowering of the anode plates can be made simultaneously with grabbing, lifting and lowering of the cathode plates.
  • the anode plates can be grabbed, lifted and lowered separately from grabbing, lifting and lowering of the cathode plates, or the cathode plates can be grabbed, lifted and lowered separately from grabbing, lifting and lowering of the anode plates.
  • the transfer apparatus can be positioned above an electrolytic cell 4 to place the anode plates 2 and/or cathode plates 3 into the electrolytic cell 4 and to remove the anode and/or cathode plates from the electrolytic cell 4.
  • the anode plates 2 each have a pair of hanging lugs 5 at the upper end corners of the anode plate.
  • a plurality of electrolytic cells 4 are arranged in an electrolysis tank house (not shown).
  • the transfer apparatus comprises an overhead crane 6 which is movable above the electrolytic cells 4, one of which is schematically shown in Figure 1 .
  • the overhead crane comprises a trolley 7 and a grab device 8 which is suspended by crane ropes 25 from the trolley 7 so that the grab device is vertically movable.
  • a plurality of cathode hooks 9 are connected to the grab device 8 and configured to grab cathode plates 3.
  • each cathode plate 3 comprises a hanging bar 26 extending horizontally at the upper edge of the cathode plate 3.
  • Each cathode plate 3 comprises two openings 27 below the hanging bar 26.
  • Cathode hooks 9 are also arranged in pairs and configured to grab the hanging bar 26 by insertion of the pair of cathode hooks 9 through the pair of openings 27.
  • the invention is not limited to any special embodiment relating to the cathode hooks or the manner of how they are arranged to grab the cathode plates.
  • the apparatus comprises a plurality of anode hooks 10.
  • the anode hooks 10 are arranged in two parallel rows so that each pair of them may grab two hanging lugs 5 of the anode plate 2.
  • Each anode hook 10 comprises a vertical rotation shaft 11 having an upper end 12 rotatably connected to the grab device.
  • a transversal member 14 is attached at the lower end.
  • a driving mechanism 15 as best seen in figures 3 and 5 is arranged for simultaneous turning of the rotation shafts 11 of the anode hooks 10 between a release position I (see figures 2 and 3 ) and a grabbing position II (see figures 4 and 5 ).
  • the release position I the transversal members 14 are adjacent to and in parallel with the hanging lugs 5 of the anode plates as shown in figure 2 .
  • the grabbing position II the transversal members 14 are turned at 90 degrees from the release position I to extend transversally and underneath in relation to the hanging lugs 5 to be able to support the anode plates 2 for lifting.
  • FIGS 3 and 4 show the driving mechanism 15 for turning the rotation shafts 11 of the anode hooks 10.
  • the driving mechanism 15 comprises a crank arm 22 which is fixed to the upper end 12 of each rotation shaft 11.
  • the mechanism further comprises a connecting rod 23 to which the each crank arm 22 is pivotally connected at a distance from the rotation axis of the rotation shaft.
  • a transfer means 24 is arranged for moving the connecting rod 23 back and forth to turn the crank arms 22.
  • each anode hook 10 is configured and dimensioned so thin that it is insertable into a spacing between the anode plate 2 and the cathode plate 3 residing in the electrolysis cell at a first side of each anode plate to be grabbed and lifted, without having to make any lateral shifting of the cathode plates.
  • the apparatus further comprises a plurality of counterpart members 16 which are fixedly attached to the grab device 8. Each counterpart member 16 is arranged in pair and co-operation with an anode hook 10.
  • Each counterpart member 16 is configured and dimensioned so thin that it is insertable into the spacing between the anode plate 2 and the cathode plate 3 residing in the electrolysis cell 4 at the second side of said anode plate to be grabbed and lifted so that the hanging lug 5 of said anode plate 2 to be grabbed and lifted is between said pair of the anode hook 10 and the counterpart member 16.
  • the counterpart member 16 comprises a slot 17 into which the free end of the transversal member 16 is receivable when the anode hook is turned to the grabbing position II as shown in figures 4 and 8 .
  • the counterpart member 16 comprises a mounting plate 18 which is connected to the grab device 8 by bolted joints.
  • a counterpart plate 19 is fixed by its upper end 20 to the mounting plate 18.
  • the slot 17 for supporting the transversal member 14 of the anode hook 10 is adjacent to the free lower end 21 of the counterpart plate 19.
  • the counterpart plate 19 extends downwards and in parallel in relation to the anode plate 2 and the cathode plate 3 and its thickness is substantially smaller than the spacing between the anode plate and the cathode plate.
  • the lower end 21 of the counterpart plate 19 is chamfered so that it may intrude into a very narrow gap between the anode and the cathode plates.
  • the transversal member 14 has a chamfered lower end for the same purpose.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Chain Conveyers (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
EP13781516.3A 2012-04-23 2013-04-19 Transfer apparatus Not-in-force EP2841627B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20125439A FI124617B (fi) 2012-04-23 2012-04-23 Siirtolaitteisto
PCT/FI2013/050438 WO2013160542A1 (en) 2012-04-23 2013-04-19 Transfer apparatus

Publications (3)

Publication Number Publication Date
EP2841627A1 EP2841627A1 (en) 2015-03-04
EP2841627A4 EP2841627A4 (en) 2016-05-18
EP2841627B1 true EP2841627B1 (en) 2017-05-31

Family

ID=49482265

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13781516.3A Not-in-force EP2841627B1 (en) 2012-04-23 2013-04-19 Transfer apparatus

Country Status (4)

Country Link
EP (1) EP2841627B1 (fi)
CN (1) CN104246019B (fi)
FI (1) FI124617B (fi)
WO (1) WO2013160542A1 (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI125647B (fi) * 2013-11-22 2015-12-31 Outotec Finland Oy Menetelmä ja järjestely katodikoukkukokoonpanon kiinnittämiseksi
WO2017144741A1 (es) * 2016-02-25 2017-08-31 Yves Lefevre Grua auxiliar automática para mantenimiento de una instalación de electrolisis
CN106744272B (zh) * 2017-02-17 2018-06-15 株洲优瑞科有色装备有限公司 一种多功能电解铜吊具
CN107739072B (zh) * 2017-11-16 2024-01-16 内蒙古弘牧晟科技股份有限公司 一种电化学水处理装置
FR3093737B1 (fr) * 2019-03-14 2023-02-24 Rio Tinto Alcan Int Ltd Dispositif de manutention destiné à convoyer un outil d’intervention sur une cuve d’électrolyse.
CN112210799B (zh) * 2019-07-12 2023-06-23 莱昂·克罗塞特 包括运输阴极板和阳极板的升降设备的电解沉积生产线
CN110481980B (zh) * 2019-08-09 2024-08-13 苏州富强科技有限公司 一种插入式隔板定位装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0286092B1 (en) * 1987-04-10 1993-01-07 Mitsubishi Materials Corporation Apparatus for hanging and handling plate members
JP3164285B2 (ja) * 1996-03-13 2001-05-08 日鉱金属株式会社 電極板搬送装置の吊垂装置
JP4252079B2 (ja) * 2006-09-29 2009-04-08 日鉱金属株式会社 電極板搬送装置のフック
CN101376994B (zh) * 2008-10-13 2010-06-09 中国瑞林工程技术有限公司 铜阳极板多工位平稳移送装置

Also Published As

Publication number Publication date
EP2841627A1 (en) 2015-03-04
FI124617B (fi) 2014-11-14
WO2013160542A1 (en) 2013-10-31
FI20125439A (fi) 2013-10-24
EP2841627A4 (en) 2016-05-18
CN104246019A (zh) 2014-12-24
CN104246019B (zh) 2016-09-21

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