EP0097679B1 - Verfahren und vorrichtung zum entfernen einer haltestange von einer elektrode - Google Patents

Verfahren und vorrichtung zum entfernen einer haltestange von einer elektrode Download PDF

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Publication number
EP0097679B1
EP0097679B1 EP83900174A EP83900174A EP0097679B1 EP 0097679 B1 EP0097679 B1 EP 0097679B1 EP 83900174 A EP83900174 A EP 83900174A EP 83900174 A EP83900174 A EP 83900174A EP 0097679 B1 EP0097679 B1 EP 0097679B1
Authority
EP
European Patent Office
Prior art keywords
bar
plate
suspension
support
electrode
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
Application number
EP83900174A
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English (en)
French (fr)
Other versions
EP0097679A1 (de
Inventor
Constant Theresia Verhoeven
Hubert Jan Tobback
John Mary Anthony Dompas
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.)
Metallurgie Hoboken-Overpelt SA
Original Assignee
Metallurgie Hoboken-Overpelt SA
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Filing date
Publication date
Application filed by Metallurgie Hoboken-Overpelt SA filed Critical Metallurgie Hoboken-Overpelt SA
Publication of EP0097679A1 publication Critical patent/EP0097679A1/de
Application granted granted Critical
Publication of EP0097679B1 publication Critical patent/EP0097679B1/de
Expired legal-status Critical Current

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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53274—Means to disassemble electrical device

Definitions

  • the present invention relates to a method for separating a suspension bar from an electrode which is suspended vertically by this bar and which comprises, in addition to this bar, an electrolytic plate and one or more suspension loops fixed to the plate, the bar of suspension passing through these loops, according to which we first release the suspension bar from the weight of the plate by resting it on a support and then we change the position of the bar relative to the position of the plate so to separate the bar from the rest of the electrode.
  • the bar is supported by the above-mentioned extractor roller and by several support rollers mounted on the inclined face between the impactor and the extractor roller.
  • the lower support is pivoted and the electrode stripped of its suspension bar falls on a discharge conveyor.
  • the suspension bar when the electrode reaches the aforementioned inclined position, must be engaged with the extractor roller and exposes one of its ends to the striking device.
  • the suspension bar is not in engagement with the extractor roller and / or does not expose one of its ends to the striking device, for example when the lower edge of the electrolytic plate , which rests on the lower support member and which is supposed to be smooth, is deformed by electrolytic incrustations, or when for some reason the suspension loops of the electrode, which are supposed to have the same length , have a substantially different length, or even when for any reason the height of the electrolytic plate, which is supposed to be always the same, differs substantially from the normal height.
  • This known method therefore lacks reliability, because when the suspension bar is released from the weight of the plate, the position of this suspension bar can vary significantly from one electrode to another.
  • the object of the present invention is to provide a method as defined above which avoids the disadvantage of the method known above.
  • the electrode in order to free the suspension bar from the weight of the plate, the electrode is brought from its vertical position to a substantially horizontal position in which its plate is placed on the support, which keeps it in this substantially horizontal position , and, while bringing the electrode into the substantially horizontal position, the suspension bar is constantly made to follow a predetermined path while keeping the bar and the plate substantially in the same relative position, and, to change the position of the bar relative to the position of the plate, the bar is kept in a fixed position while the support is moved with the plate parallel to the longitudinal axis of the bar.
  • the bar is preferably retained by one of its ends while the support is moved with the plate so as to make it pass in front of the other end of the bar.
  • the cathodes which have been prepared for stacking at station 5, are stacked in 7 and 7 'and the formed batteries are removed in 8 and 8'.
  • a cathode 11 consists of a metal plate 12 provided with two suspension loops 13 through which a suspension bar 14 passes.
  • the loading station 3 shown in FIG. 2 comprises two pairs of conveyor chains 15 and 16 provided with a motor (not shown) advancing the chains step by step in the direction of the arrows 17 and 18.
  • the cathodes 11 to be washed coming from of the electrolysis room are deposited in groups by the spreaders 19 and 20 on the pairs of chains 15 and 16, which bring the cathodes 11 to the walking beam systems 21 and 22. These latter lift the cathodes 11 one by one from the chains 15 and 16 and suspend them from the hooks 23 of a carriage 2 (see FIGS. 3 and 4), which bring them to the washing station 4.
  • the washing station 4 comprises a washing compartment 24 and a rinsing compartment 25.
  • These compartments 24 and 25 are equipped with a series of nozzles 26 arranged so as to sprinkle both sides of the cathodes 11 which are brought into these compartments by the carriage 2 (see also Figure 6).
  • the nozzles 26 of the 25 are connected to a hot water source.
  • the rinsing water produced in the rinsing compartment 25 is collected in the reservoir 27, from where it overflows at 28 to arrive via the siphon 29 in the reservoir 30, which is connected by a pump not shown to the nozzles 26 of the compartment wash 24 and which collects the wash water produced in this compartment.
  • the reservoir 30 is provided with a weir 31 and the washing water which overflows therein is discharged to a neutralization installation.
  • the compartments 24 and 25 are sealed by pairs of flexible V-shaped elements 32 and 33 ( Figures 6 and 7).
  • the release device 35 comprises a first pair of arms 39 fixed to a shaft 40 and a second pair of arms 39 'fixed to a shaft 40'.
  • the shafts 40 and 40 ' are mounted in bearings 41 and 42, parallel to the longitudinal axis of the suspension bar 14 of the cathodes 11 which are brought into the station 5 by a carriage 2.
  • the shaft 40 is fixed to a toothed wheel 43 and the shaft 40 'to a toothed wheel 44, which is engaged with the toothed wheel 43.
  • the toothed wheel 43 is connected to a lever 45, which is actuated by the cylinders 46 and 47. The movement of the lever 45 therefore causes the pairs of arms 39 and 39 'to move in the opposite direction according to the arrows 48 and 48' (see FIG. 10).
  • Each of the arms 39 and 39 ' is provided with a working arm 51, which is equipped with a lifting hook 52 and three support hooks 53 (see FIG. 11).
  • This working arm 51 is connected to its carrying arm 39 or 39 'by two articulated couplings 54 and 55 and by a cylinder 56, which brings the working arm 51 into the working position P4 when its rod 57 is extended and which brings it back in standby position P5 when its rod is retracted.
  • the clamp 36 ′ comprises a fixed jaw 58 and a movable jaw 59, connected to the fixed jaw 58 by the pivot 60 and actuated by the cylinder 61.
  • the fixed jaw 58, the movable jaw 59 and the cylinder 61 are mounted together on a shaft 62, which is housed in a bearing 63 and fixed to a lever 64.
  • the lever 64 is actuated by the cylinder 65.
  • the device 37 ′ for evacuating the suspension bars recovered at 36 ′ comprises a vertical conveyor 68 provided with hooks 69 and a horizontal conveyor 70 leading to a central conveyor 71 (see FIGS. 10 and 15).
  • the device 37 is the image of the device 37 '.
  • the pairs of conveyor chains 34 and 34 ' are mounted on chassis 72 and 72' (see Figures 8, 10 and 12) and driven by motors 73 and 73 ', which move them step by step in a direction parallel to the longitudinal axis of the suspension bar 14 of the cathodes 11 which are brought into the station 5 by a carriage 2.
  • the different parts of the stacking preparation station 5, which have just been described, are mounted on a frame 74 (see FIGS. 8, 9 and 10).
  • FIG. 1 further comprises detection devices known per se and not shown for detecting the arrival of an empty carriage 2 at the loading station 3 and the arrival of a carriage 2 loaded at the washing compartment 24, to the rinsing compartment 25, to the first station 5 for stacking preparation and to the second station 6 for stacking preparation, the detection device associated with the latter station coming into action only when the first station 5 is broken.
  • detection devices known per se and not shown for detecting the arrival of an empty carriage 2 at the loading station 3 and the arrival of a carriage 2 loaded at the washing compartment 24, to the rinsing compartment 25, to the first station 5 for stacking preparation and to the second station 6 for stacking preparation, the detection device associated with the latter station coming into action only when the first station 5 is broken.
  • its motor 75 stops for a predetermined time T, for example for 5 seconds.
  • the device operates as follows. When an empty carriage 2 is detected at the loading station 3, it stops and the transfer devices 21 and 22 come into action and suspend a pair of cathodes 11 from the carriage 2. After a time T, the loaded carriage 2 leaves the loading station 3 to go to the washing station 4. When the loaded trolley 2 is detected in the washing compartment 24, it stops and the nozzles 26 in this compartment come into action. After a time T, the nozzles 26 cease their action and the carriage 2 passes to the rinsing compartment 25. When the carriage 2 is detected in the rinsing compartment 25, it stops and the nozzles 26 from this compartment come into action. After a time T, the nozzles 26 of the rinsing compartment 25 these feels their action and the carriage 2 goes to station 5 for stacking preparation.
  • the rod 49 of the cylinder 46 and the rod 50 of the cylinder 47 come out, which passes the pairs of arms 39 and 39 ', each carrying a cathode 11, from their gripping position P2-P2' to their deposition position P3-P3 ', in which the plate 12 of the cathode 11 carried by the pair of arms 39 is deposited on the chains 34 and one end of the suspension bar 14 of this cathode on the fixed jaw of the clamp 36 and in which the plate 12 of the cathode 11 carried by the pair of arms 39 'is deposited on the chains 34' and one end of the suspension bar 14 of this cathode on the fixed jaw 58 of the clamp 36 '(see Figures 12 and 14 ).
  • the cathodes 11 remain suspended by their suspension bars 14 from the hooks 52 while their plates 12 rest on the hooks 53 until that the plates 12 are deposited on the chains 34-34 '(see Figure 12). Since the cathodes 11 are held suspended by their suspension bar 14 until the time of depositing the cathodes, this suspension bar always occupies the same position at the aforementioned moment; in this position the bar 14 is, in the present case, oriented as it was when the cathode 11 was still suspended vertically from a carriage 2 in the station 5.
  • the cathodes 11 are thus deprived of their suspension bars, which are tightened at 36 and 36 '.
  • the rods 66 of the cylinders 61 retract, the clamps 36 and 36' open and the suspension bars 14 run aground in a hook 69 of the vertical conveyors 68 of the devices 37 and 37 ′, which transport the bars 14 via the central conveyor 71 to an apparatus for manufacturing starting cathodes.
  • the rods 67 of the cylinders 65 come out and the clamps 36 and 36 'are returned to their loading position ( Figure 14).
  • asymmetrical cathodes that is to say cathodes whose suspension bar has an identical section over its entire length, has been described above.
  • asymmetrical cathodes are also used in electrolysis, that is to say cathodes with a suspension bar, one end of which is twisted at an angle of 90 ° relative to the rest of the bar, and that these cathodes are then implemented in groups of left cathodes and in groups of right cathodes, a left cathode having the twisted end of its suspension bar situated to the left of its electrolytic plate and a right cathode having the twisted end of its bar of suspension located on the right of its electrolytic plate.
  • a left cathode can be transformed into a right cathode, for example by rotating it by an angle of 180 ° around its vertical axis, and vice versa. If asymmetrical cathodes are to be treated in the installation described above, it will be ensured that the twisted end of the suspension bars is clamped by the clamp 36 or 36 '.
  • the installation shown in FIG. 9 is therefore suitable for treating straight cathodes, the clamp 36 being situated to the right of the deposited cathode (see FIG. 8). In order for the installation described above to be able to treat asymmetric cathodes, it is therefore necessary that the groups of the left cathodes are previously transformed into right groups.
  • Figure 9 it is also possible to adapt the installation of Figure 9 so that that it can treat left cathodes as well as right cathodes.
  • the right clamp 36 and the left clamp must be mounted so that they can be brought from a rest position away from the chains 34 to a position working near chains 34 and vice versa.
  • To treat a group of left cathodes we then use the left clamp and the right wing of the pair of chains 34 and, to treat a group of right cathodes, the right clamp 36 and the left wing of the pair of chains 34.
  • the installation can be easily adapted to treat, instead of two cathodes at the same time, cathode by cathode. This modification significantly reduces the investment costs, but also the productivity of the installation.
  • washing station 4 instead of providing in the washing station 4 a separate washing compartment 24 and rinsing compartment 25, it is possible to use a single compartment for washing and rinsing provided that there are provided in this single compartment washing nozzles and rinsing jets or jets suitable for alternately spraying washing liquid and rinsing liquid.
  • the monorail 1 and the carriages 2 can be replaced by a transport chain provided with hooks, but it is obvious that this modification seriously reduces the flexibility of the installation.
  • the rotating clamps 36 and 36 ' can be replaced by fixed clamps, if the suspension bars of the cathodes to be treated have little or no tendency to stick to the suspension loops of these cathodes.
  • the chains 34 and 34 ′ can be provided with cams to facilitate the transport of the cathodes 11 by these chains.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)

Claims (5)

1. Verfahren zum Entfernen einer Haltestange (14) von einer Elektrode (11), die vertikal mittels der Haltestange aufgehängt ist und die außer der Haltestange eine elektrolytische Platte (12) und eine oder mehrere an der Platte befestigte Aufhängeösen (13), die von der Haltestange durchquert werden, aufweist, Verfahren bei dem man zunächst die Haltestange vom Gewicht der Platte befreit, indem man sie auf eine Unterlage (34 oder 34') bringt und dann die Stellung der Haltestange im Verhältnis zur Stellung der Platte in der Weise ändert, daß die Haltestange (14) vom Rest (12, 13) der Elektrode getrennt wird, dadurch gekennzeichnet, daß man zur Befreiung der Haltestange (14) vom Gewicht der Platte (12) die Elektrode (11) aus ihrer vertikalen Stellung in eine etwa horizontale Stellung überführt in der man sie auf die Unterlage (34 oder 34') ablegt, durch die sie in dieser etwa horizontalen Stellung gehalten wird, und daß man, während die Elektrode (11) in die horizontale Stellung gebracht wird, die Haltestange (14) kontinuierlich eine bestimmte Strecke gehen läßt, wobei Haltestange (14) und Platte (12) genau in der gleichen relativen Stellung gehalten werden und daß man zur Änderung der Stellung der Haltestange (14) im Verhältnis zur Stellung der Platte (12) die Haltestange (14) in einer bestimmten Stellung festhält, während man die Unterlage (34 oder 34') mit der Platte (12) parallel zur Längsachse der Haltestange (14) verschiebt.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man die Haltestange (14) an einem ihrer Enden festhält, während man die Unterlage (34 oder 34') mit der Platte (12) in der Weise verschiebt, daß sie am anderen Ende der Haltestange (14) vorbeizieht.
3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man, nach dem die Platte (12) auf der Unterlage (34 oder 34') abgelegt ist und bevor die Unterlage mit der Platte verschoben wird, die Haltestange (14) um einen bestimmten Winkel um ihre Längsachse dreht.
4. Vorrichtung zum Entfernen einer Haltestange (14) von einer Elektrode (11) die vertikal mittels der Haltestange aufgehängt ist und die außer der Haltestange eine elektrolytische Platte (12) und eine oder mehrere an der Platte befestigte Aufhängeösen (13), die von der Haltestange durchquert werden, aufweist, und folgende Teile enthält :
eine Auflage (34 oder 34'),
eine Vorrichtung (35) zum Ablegen der Platte (12) der Elektrode (11) auf dieser Auflage (34 oder 34'), in der Weise, daß die Haltestange (14) vom Gewicht der Platte (12) befreit ist, und
eine Vorrichtung zur Änderung der Stellung der Haltestange (14) im Verhältnis zur Stellung der Platte (12), nachdem letztere auf der Auflage (34 oder 34') abgelegt ist, in der Weise, daß die Haltestange (14) vom Rest (12, 13) getrennt wird, dadurch gekennzeichnet, daß
die genannte Auflage (34 oder 34') in einer horizontalen Ebene bewegbar ist,
die Vorrichtung (35) zur Ablage der Platte auf der genannten Auflage versehen ist mit Armen (39, 39') mit Auflagern (53) für die Elektrodenplatte und Auflagern (52) für die Haltestange, welche es gestatten, diese genau in einer gleichen relativen Stellung zu halten, wobei diese Arme (39, 39') bewegbar sind zwischen einer Stellung, in der die Elektrodenplatte in vertikaler Stellung ist, und einer Stellung, in der sie in die horizontale Stellung auf der genannten Auflage gebracht ist, wobei die Haltestange dann eine vorherbestimmte, parallel zur Bewegungsrichtung der beweglichen Auflage verlaufende Stellung einnimmt, und
eine Greifvorrichtung (36, 36') für die Haltestange in der genannten vorherbestimmten Stellung auf einer Seite der genannten bewegbaren Auflage (34, 34') angeordnet ist.
5. Vorrichtung nach Anspruch 4, gekennzeichnet durch eine Vorrichtung (62, 63, 64, 65, 67) zum Drehen der genannten Greifvorrichtung (36, 36') für die Haltestange um einen bestimmten Winkel um die Längsachse der von ihr festgehaltenen Haltestange.
EP83900174A 1981-12-24 1982-12-22 Verfahren und vorrichtung zum entfernen einer haltestange von einer elektrode Expired EP0097679B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU83857A LU83857A1 (fr) 1981-12-24 1981-12-24 Appareil pour laver et empiler des electrodes
LU83857 1981-12-24

Publications (2)

Publication Number Publication Date
EP0097679A1 EP0097679A1 (de) 1984-01-11
EP0097679B1 true EP0097679B1 (de) 1986-03-05

Family

ID=19729788

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83900174A Expired EP0097679B1 (de) 1981-12-24 1982-12-22 Verfahren und vorrichtung zum entfernen einer haltestange von einer elektrode

Country Status (6)

Country Link
US (1) US4577401A (de)
EP (1) EP0097679B1 (de)
JP (1) JPS58502153A (de)
DE (1) DE3269767D1 (de)
LU (1) LU83857A1 (de)
WO (1) WO1983002289A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4414271A1 (de) * 1994-04-23 1995-10-26 Kloeckner Humboldt Deutz Ag Verfahren und Vorrichtung zum Ablösen von Gußhülsen von Anodenstangen

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3307890C2 (de) * 1983-03-05 1988-12-22 C.J. Wennberg AB, Karlstad Verfahren und Vorrichtung zum Reinigen von bei der elektrolytischen Raffination von Metallen gewonnenen Kathodenplatten, insbesondere Cu-Kathodenplatten
LU85321A1 (fr) * 1984-04-17 1985-11-27 Metallurg Hoboken Overpelt A Procede et appareil pour empiler des anodes epuisees
AP3453A (en) * 2008-09-15 2015-10-31 Epcm Services Ltd Electrode washing method and system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2944655A (en) * 1955-09-13 1960-07-12 Smith Corp A O Apparatus for unloading articles from a moving conveyor
US3198669A (en) * 1964-09-02 1965-08-03 Kennecott Copper Corp Method and apparatus for handling anodes
SE315418B (de) * 1966-02-08 1969-09-29 Wennbergs C Mekaniska Verkstad
US3499207A (en) * 1967-10-05 1970-03-10 Sumitomo Metal Mining Co Mechanism for pulling out suspension bars in an electrolytic refinery for metals
JPS6048597B2 (ja) * 1977-08-06 1985-10-28 三井金属鉱業株式会社 電着金属板の積み重ね装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4414271A1 (de) * 1994-04-23 1995-10-26 Kloeckner Humboldt Deutz Ag Verfahren und Vorrichtung zum Ablösen von Gußhülsen von Anodenstangen
DE4414271B4 (de) * 1994-04-23 2008-07-10 Outokumpu Oyj Vorrichtung zum Ablösen von Gußhülsen von Anodenstangen
DE4414271B8 (de) * 1994-04-23 2008-10-02 Outotec Oyj Vorrichtung zum Ablösen von Gußhülsen von Anodenstangen

Also Published As

Publication number Publication date
DE3269767D1 (en) 1986-04-10
EP0097679A1 (de) 1984-01-11
LU83857A1 (fr) 1983-09-02
WO1983002289A1 (fr) 1983-07-07
US4577401A (en) 1986-03-25
JPS58502153A (ja) 1983-12-15

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