US3887094A - Conveyance of electrodes for electrolytic cells in electrorefining - Google Patents

Conveyance of electrodes for electrolytic cells in electrorefining Download PDF

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Publication number
US3887094A
US3887094A US452343A US45234374A US3887094A US 3887094 A US3887094 A US 3887094A US 452343 A US452343 A US 452343A US 45234374 A US45234374 A US 45234374A US 3887094 A US3887094 A US 3887094A
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US
United States
Prior art keywords
anode
cells
cathode sheets
sheets
array
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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
US452343A
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English (en)
Inventor
Hiroshi Ikeda
Yukio Matsubara
Ginichi Yamaguchi
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.)
Onahama Smelting and Refining Co Ltd
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Onahama Smelting and Refining Co Ltd
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/02—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid
    • B65G49/04—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction
    • B65G49/0409—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length
    • B65G49/0436—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance from bath to bath
    • B65G49/044—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance from bath to bath along a continuous circuit
    • B65G49/045—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance from bath to bath along a continuous circuit the circuit being fixed
    • B65G49/0454—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance from bath to bath along a continuous circuit the circuit being fixed by means of containers -or workpieces- carriers
    • B65G49/0459—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance from bath to bath along a continuous circuit the circuit being fixed by means of containers -or workpieces- carriers movement in a vertical direction is caused by self-contained means

Definitions

  • the set of anode and cathode sheets can [56] References cued then be deposited into any desired one of the electro- UNITED STATES PATENTS lytie cells by virtue of the combined motion of the 2,591.682 4/1952 Davis 134/77 hoist along the overhead rails and of the bridge along 2.701053 4/1955 Browning i h l d il 2.738388 3/1956 Todd et al. 2l4/89 2,811,262 10/1957 Schaitberger 134/76 x 11 Claims 4 Drawlng Flgures SIIEU FIG. 2
  • This invention relates generally to material handling and in particular to a method and a system for conveyance of successive sets of anodes and cathodes into and out of an array of open-top cells in electrolytic refining of copper, lead, tin and other nonferrous metals.
  • anodes and cathodes in the form of sheets must ordinarily be arranged alternately at specified spacings in each of a plurality of electrolytic cells containing the necessary electrolyte therein.
  • a prescribed number of the anode sheets have first been arranged at constant spacings in the cell, and a corresponding number of the cathode sheets have then been conveyed by an overhead crane to be carefully unloaded in the spacings between the anode sheets with the aid of manual readjustment by several skilled workmen.
  • Another object of the invention is to provide a method of the above stated nature, wherein a traveling bridge with large inertial mass movable across the electrolytic cells is retained directly above a specific row of cells until exchange of anode and cathode sheets in all the cells of that row has been completed and only a hoist movable on said bridge and having low inertial mass is reciprocatingly moved along the length of the bridge for the exchange of the sheets in that row, whereby inertial effect on the positioning of the sheets is lessened with resultant correct positioning thereof.
  • Still another object of the invention is to provide a method and a system whereby the anodes and cathodes can be automatically introduced into each electrolytic cell in their exact relative positions, without the necessity of manual readjustment.
  • a further object of the invention is to provide a method and a system wherein the cathodes, which usually are in the form of extremely thin sheets, are conveyed to a desired electrolytic cell in combination with the anodes, in such a manner that the possbility of deformation of the cathodes during the process of conveyance is minimized.
  • a still further object of the invention is to provide a system wherein no structures are employed which must be mounted unduly high above the floor level, thereby economically utilizing the overhead space within the building of the tank house and further significantly reducing the costs for its construction.
  • a further object of the invention is to provide a system including means for automatic removal of slime formed at the bottom of each electrolytic cell as a result of the refining process.
  • a still further object of the invention is to provide a system which is simple and inexpensive in construction but which contributes greatly toward the increase in the productivity of refined metals.
  • a conveying system in an electrolytic metal refining plant for conveyance of anode and cathode sheets into and out of an array of open-top electrolytic cells mounted on a floor and including a series of parallel rows of cells, wherein the anode and cathode sheets are each provided with a pair of lugs or the like so as to be supported vertically in a suspended manner throughout the entire process of conveyance, and the system comprises: means for conveying the anode and cathode sheets as a vertically suspended and alternately arranged set of anode and cathode sheets along a conveying path parallel to the series of rows to the adjacency of the array of electrolytic cells; a pair of spaced apart rail means parallel to the conveying path with the array of electrolytic cells and the conveying path interposed therebetween; a traveling bridge riding on said spaced apart rail means so as to be movable in both directions along the same and spanning the array and the conveying path in a direc
  • FIG. 1 is a partly broken-away to plan view showing the entire arrangement of a system for conveyance of electrodes into and out of an array of electrolytic cells in accordance with the principles of this invention
  • FIG. 2 is a partly broken-away vertical sectional view taken along the plane of line llII in FIG. 1 as viewed in the direction of the arrows;
  • FIG. 3 is a view similar to FIG. 2 but showing another preferred embodiment of the invention.
  • FIG. 4 is a partly broken-away top plan view of the arrangement of FIG. 3.
  • FIGS. 1 and 2 A first preferred embodiment of this invention will now be described in detail with reference to FIGS. 1 and 2.
  • the reference numeral in these figures generally designates a plurality of open-top electrolytic cells containing an electrolyte the nature of which is dietated by a particular metal to be refined therein, the electrolytic cells 10 being arrayed in columns and rows on the floor of the refining plant.
  • First and second chain conveyors 11 and 12 are disposed in parallel spaced relationship to each other on one side of the array of electrolytic cells 10.
  • Each of these first and second chain conveyors 11 and 12 consists essentially of a pair of parallel spaced endless chains 11a and 12a extending horizontally at a suitable height above the refining plant floor.
  • the first chain conveyor 11 is adapted to support vertically a prescribed number of anode sheets I3 of a desired impure metal such as blister copper in side-by-side relationship and at prescribed spacings from one to the next.
  • each of the anode sheets 13 has a pair of lugs 13a projecting laterally from its top, as seen in FIG. 2, which lugs are adapted to rest on the respective chains of the first conveyor.
  • the anode sheets 13 may be cast into the desired shape and size in a separate casting plant and may then be shipped to the refining plant. where they are transported one by one by the first chain conveyor 11 to the position illustrated in FIG. 1.
  • the motion of the first chain conveyor 11 stops temporarily when the prescribed number of the anode sheets 13 to be accommodated in a single electrolytic cell have thus been arranged in position in the manner pre viously set forth.
  • the second chain conveyor 12 is likewise adapted to support vertically a prescribed number of cathode sheets 14 or starting sheets. in side-by-side relationship and at prescribed spacings from one to the next.
  • each of the cathode sheets 14 has a tubular ribbon affixed to its top to receive a crossbar therethrough, and both ends of the crossbar project laterally from the ribbon so as to rest on the respective chains 12a of the second chain conveyor 12.
  • the cathode sheets 14 are successively transported by the second chain conveyor 12 to the position of FIG. 1, and the second chain conveyor comes to a temporary stop when the prescribed number of the cathode sheets to be accomodated in a single electrolytic cell in combination with the prescribed number of the anode sheets 13 have been arranged in position in the above mentioned manner.
  • a pair of overhead rails 15 extend horizontally above the first and second chain conveyors II and I2 at right angles thereto.
  • a traveling hoist I6 supported by these overhead rails 15 so as to be capable of moving in both directions thereon has first and second sets of paired.
  • a pair of rails 17 are laid on the refining plant floor at right angles to the pair of overhead rails l5 so as to extend alongside the array of electrolytic cells 10.
  • An open-top truck 18 movable on these rails 17 is equipped with upright means 18a for receiving the complete set of anode and cathode sheets 13 and I4 from the hoist I6 by engaging their lugs and lateral crossbar projections as the first and second sets of paired hooks are caused to descend by the hoist 16. It will therefore be understood that the anode and cathode sheets I3 and 14 are held vertically within the truck I8 is alternating. parallel relationship with the required spacings therebetween.
  • another pair of rails 19 can be laid on the refining plant floor parallel to the pair of rails I7, and pairs of turnover rails 20 with a transverse transfer carriage 20a thereon may be provided adjacent both extremities of the rails 17 and 19, respectively, so that the truck 18 as well as another truck 21 of identical construction is enabled to shift from one to the other.
  • the trucks l8 and 21 will thus move along the complete loop formed by the parallel pairs of rails 17 and I9 and the turnover rails 20. for purposes hereinafter made apparent.
  • a movable bridge 22 extends horizontally across the array of electrolytic cells and the parallel pairs of rails 17 and 19 to support thereon a pair of overhead rails 23. As best shown in FIG. 2, the bridge 22 is itself movably mounted on a pair of elevated rails 24 at both extremities thereof. the elevated rails 24 being disposed in height substantially flush with the top of the electrolytic cells 10. The bridge 22 is thus made movable in the longitudinal direction of the array of electrolytic cells 10 at a height close to the top of the cells.
  • a traveling hoist 25 is supported on the overhead rails 23 so as to be movable in the transverse direction of the array of electrolytic cells 10. Like the aforementioned hoist 16 on the overhead rails 15, this hoist 25 is equipped with a plurality of paired hooks 250 which are simultaneously movable up and down through an aperture in the movable bridge 22 to receive the complete set of anode and cathode sheets 13 and 14 from the open-top truck 18 or 21 by engaging their lugs and lateral crossbar projections when the truck is brought to a position under the movable bridge.
  • the hoist 25 can then carry the anode and cathode sheets 13 and 14 over to a desired one of the electrolytic cells 10, and as the anode and cathode sheets are succeedingly lowered by the paired hooks 25a of the hoist 25, their lugs and lateral crossbar projections will come to rest on bus bars (not shown) lying along the respective lateral edges of the desired cell. in such a manner that the hooks 25a are now free to move up by leaving the anode and cathode sheets within the cell. It will be ap parent that the anode and cathode sheets 13 and 14 thus loaded into the desired electrolytic cell are likewise held vertically in alternating, parallel relationship with the required spacings therebetween.
  • the hoist 25 Upon completion of this electrolytic process in any of the cells 10, the hoist 25 is brought into vertical registration with that particular cell in the manner previously set forth. and its paired hooks are operated to lift out of the cell the residue anode sheets and the cathode sheets having the pure metal deposited thereon. The hoist 25 is then caused to move to the right, as viewed in FIG. 1, along the overhead rails 23 and to lower the used anode and cathode sheets onto. say, the truck 18 which has been held standing by on the rails 17 after having previously given the complate set of fresh anode and cathode sheets 13 and 14 over to the hoist 25.
  • the truck 18 Upon reception ofthe used anode and cathode sheets from the hoist 25, the truck 18 is caused to travel along the rails 17 in a direction away from the overhead rails to shift to the rails 19 via the turnover rails 20 and then to travel toward the other extremity of the rails 19.
  • the used anode and cathode sheets are taken over by another traveling hoist 26 on the overhead rails 15, which hoist is identical in construction to the first mentioned hoist 16, and are thereby transported to a desired location for further processing.
  • the trucks 18 and 21 are each equipped with a drive mechanism of any known or suitable construction to be driven along the rails l7, l9 and 20 and with a control mechanism of any known or suitable organization to control the operation of the drive mechanism in relation with the operation of the hoists 16, 25 and 26.
  • the hoists l6 and 26 are assumed to be equipped with their own drive mechanisms, while the hoist 16 is assumed to be further equipped with a control mechanism to control the operation of its drive mechanism in relation with the operation of the first and second chain conveyors 11 and 12.
  • the hoist 25 and the apertured bridge 22 are also assumed to be equipped with their own drive mechanisms and with control mechanisms to control the operation of the respective drive mechanisms in relation with the progress of the electrolytic processes in the respective cells 10. In this manner the entire operation of the system shown in FIGS. 1 and 2 can be performed fully automatically in accordance with a predetermined program.
  • FIGS. 3 and 4 Illustrated in FIGS. 3 and 4 is another preferred embodiment of the invention, in which a truck 30 is movably supported on the overhead rails 23 on the bridge 22 in addition to the aforesaid hoist 25.
  • the truck 30 is equipped with a suction pump 31 and a vertically extensible suction conduit 32 having ports at their respective lower ends in communication with the suction pump 31.
  • the suction conduit 32 is further movable horizontally along the truck 30, for purposes hereinafter made apparent.
  • On both sides of the suction conduits 32 there are provided a pair of hot water ejectors 300.
  • a trough 33 is formed in the upper surface of the bridge 22 so as to be in communication with another trough 34 provided immovably alongside the course of reciprocation of the bridge.
  • this second embodiment is also substantially identical with that of the preceding embodiment.
  • the hoist 25 is in operation to carry the set of used anode and cathode sheets 13 and 14 away from one of the electrolytic cells 10 into one ofthe trucks 18 and 21 and to bring a set of fresh anode and cathode sheets back from the other of the trucks l8 and 21, the truck 30 on the overhead rails 23 is caused to travel to its position in registration with the emptied electrolytic cell.
  • the suction conduit 32 of the truck 30 is then extended downwardly close to the bottom of the cell. and with the suction pump 31 in operation, the port at the lower end of the suction conduit is caused to move from one end to the other of the cell.
  • the slime thus removed by suction from the bottom of the cell is directed into the trough 33 and thence into the trough 34, for discharge in any convenient manner.
  • the ejectors 30a operate to eject hot water downwardly against the upper edges of the cells. which tend to be stained by the electrolyte, to keep the edges clean.
  • a conveying system in an electrolytic metal refining plant for conveyance of anode and cathode sheets into and out of an array of open-top electrolytic cells mounted on a floor and including a series of parallel rows of cells, wherein said anode and cathode sheets are each provided with a pair of lugs or the like so as to be supported vertically in a suspended manner throughout the entire process of conveyance, said system comprising:
  • traveling bridge riding on said spaced apart rail means so as to be movable in both directions along the same and spanning said array and said conveying path in a direction parallel to said series of rows at a height close to the top of said array;
  • a traveling hoist movable on said bridge along the length of the same, said hoist including means for picking up a set of alternating anode and cathode sheets from said conveying means and then lowering the set into a desired one of said electrolytic cells in such a manner that said anode and cathode sheets are released in the desired electrolytic cell with their relative positions unchanged.
  • first conveyor means for successively conveying said anode sheets to the adjacency of said array of electrolytic cells in a vertically suspended, parallel spaced manner
  • second conveyor means extending parallel to said first conveyor means for successively conveying said cathode sheets to the adjacency of said array of electrolytic cells in a vertically suspended, parallel spaced manner;
  • a second traveling hoist supported on said overhead rail means so as to be movable in both directions along the same, and including means for successively picking up said anode and cathode sheets from said first and second conveyor means in a manner such that said anode and cathode sheets are in alternate disposition with spacings therebetween.
  • said second hoist operating to carry said picked up anode and cathode sheets to transfer the same to said conveying means.
  • first and second conveyor means are each in the form of a chain conveyor comprising a pair of parallel spaced endless chains adapted to engage said lugs of said anode and cathode sheets.
  • suction conduit means extensible downwardly from said truck and having a suction inlet at its lower end. and means mounted on said truck for creating a desired degree of vacuum in said suction conduit means, whereby slime at the bottom of each of said electrolytic cells can be removed by suction exerted through said inlet of said suction conduit means.

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  • Electrolytic Production Of Metals (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)
US452343A 1973-07-07 1974-03-18 Conveyance of electrodes for electrolytic cells in electrorefining Expired - Lifetime US3887094A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7684673A JPS548162B2 (enExample) 1973-07-07 1973-07-07

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US3887094A true US3887094A (en) 1975-06-03

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US452343A Expired - Lifetime US3887094A (en) 1973-07-07 1974-03-18 Conveyance of electrodes for electrolytic cells in electrorefining

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US (1) US3887094A (enExample)
JP (1) JPS548162B2 (enExample)
BE (1) BE812517A (enExample)
CA (1) CA991114A (enExample)
DE (1) DE2412934C2 (enExample)
SU (1) SU663317A3 (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014445A (en) * 1975-03-18 1977-03-29 Mitsui Mining & Smelting Co., Ltd. Cathode plate transfer apparatus
US4192331A (en) * 1978-08-28 1980-03-11 Koering Dale J Electroplating apparatus
US4392506A (en) * 1981-08-12 1983-07-12 Kabushiki Kaisha Kobe Seiko Sho Apparatus for conveying tubular materials in pickling facilities of the same
US4481963A (en) * 1983-02-22 1984-11-13 Metallurgie Hoboken-Overpelt Drop collector for an apparatus for conveying electrodes
US5086794A (en) * 1989-06-21 1992-02-11 Daniel Guerinat Plant for treating mechanical pieces in a washing tank
US20150083599A1 (en) * 2013-09-23 2015-03-26 Sms Meer Gmbh Method and system for the production of semi-finished copper products as well as method and apparatus for application of a wash
CN114516539A (zh) * 2022-03-25 2022-05-20 江苏徐工工程机械研究院有限公司 工件夹持装置及工件清洗设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51124604A (en) * 1975-04-24 1976-10-30 Onahama Smelt & Refining Co Ltd A conveying equipment in electrolytic refining of metals
CN105819184B (zh) * 2016-04-14 2017-12-15 长沙有色冶金设计研究院有限公司 全自动极板转运系统及转运方法

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US2591682A (en) * 1950-03-08 1952-04-08 Udylite Corp Work-immersion machine with vertically and laterally movable rail section
US2707053A (en) * 1953-07-21 1955-04-26 Victor R Browning & Company In Crane trolley
US2738888A (en) * 1954-09-20 1956-03-20 Hanson Van Winkle Munning Co Processing machinery for electroplating and the like
US2811262A (en) * 1953-06-09 1957-10-29 Northern Engineering Works Double hook type crane structure
US3601134A (en) * 1968-04-29 1971-08-24 Clinton Supply Co Automatic and manual plating machine
US3658197A (en) * 1970-06-01 1972-04-25 Lockheed Aircraft Corp Programmable apparatus for conveying articles through successive process steps

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US3057453A (en) * 1959-10-29 1962-10-09 Winkel Machine Co Inc Grid feeding device
DE1197809B (de) * 1964-04-14 1965-07-29 Kloeckner Humboldt Deutz Ag Fertigungsstrasse fuer Stahlbauteile
US3562131A (en) * 1968-03-21 1971-02-09 Bunker Hill Co Cathode handling equipment
DE1928951A1 (de) * 1969-06-07 1970-12-10 Siegener Ag Geisweid Anlage zum Beschicken eines Tauchkessels,insbesondere eines Verzinkkessels
US3684681A (en) * 1969-07-10 1972-08-15 Neil F Dibble Handling apparatus for plating articles
JPS5226203A (en) * 1975-08-22 1977-02-26 Fujitsu Ltd Automatic joining method of magnetic tape

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
US2591682A (en) * 1950-03-08 1952-04-08 Udylite Corp Work-immersion machine with vertically and laterally movable rail section
US2811262A (en) * 1953-06-09 1957-10-29 Northern Engineering Works Double hook type crane structure
US2707053A (en) * 1953-07-21 1955-04-26 Victor R Browning & Company In Crane trolley
US2738888A (en) * 1954-09-20 1956-03-20 Hanson Van Winkle Munning Co Processing machinery for electroplating and the like
US3601134A (en) * 1968-04-29 1971-08-24 Clinton Supply Co Automatic and manual plating machine
US3658197A (en) * 1970-06-01 1972-04-25 Lockheed Aircraft Corp Programmable apparatus for conveying articles through successive process steps

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014445A (en) * 1975-03-18 1977-03-29 Mitsui Mining & Smelting Co., Ltd. Cathode plate transfer apparatus
US4192331A (en) * 1978-08-28 1980-03-11 Koering Dale J Electroplating apparatus
US4392506A (en) * 1981-08-12 1983-07-12 Kabushiki Kaisha Kobe Seiko Sho Apparatus for conveying tubular materials in pickling facilities of the same
US4481963A (en) * 1983-02-22 1984-11-13 Metallurgie Hoboken-Overpelt Drop collector for an apparatus for conveying electrodes
US5086794A (en) * 1989-06-21 1992-02-11 Daniel Guerinat Plant for treating mechanical pieces in a washing tank
US20150083599A1 (en) * 2013-09-23 2015-03-26 Sms Meer Gmbh Method and system for the production of semi-finished copper products as well as method and apparatus for application of a wash
US9994965B2 (en) * 2013-09-23 2018-06-12 Sms Group Gmbh Method and system for the production of semi-finished copper products as well as method and apparatus for application of a wash
CN114516539A (zh) * 2022-03-25 2022-05-20 江苏徐工工程机械研究院有限公司 工件夹持装置及工件清洗设备
CN114516539B (zh) * 2022-03-25 2024-04-30 江苏徐工工程机械研究院有限公司 工件夹持装置及工件清洗设备

Also Published As

Publication number Publication date
CA991114A (en) 1976-06-15
AU6678974A (en) 1975-09-18
JPS548162B2 (enExample) 1979-04-13
SU663317A3 (ru) 1979-05-15
DE2412934A1 (de) 1975-01-30
JPS5025402A (enExample) 1975-03-18
BE812517A (fr) 1974-07-15
DE2412934C2 (de) 1983-03-10

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