US3685121A - A templet and method for assembling cathode caps on electrolyzers for molten salts - Google Patents

A templet and method for assembling cathode caps on electrolyzers for molten salts Download PDF

Info

Publication number
US3685121A
US3685121A US131534A US3685121DA US3685121A US 3685121 A US3685121 A US 3685121A US 131534 A US131534 A US 131534A US 3685121D A US3685121D A US 3685121DA US 3685121 A US3685121 A US 3685121A
Authority
US
United States
Prior art keywords
electrolyzer
templet
cathode
flange
assembly
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
US131534A
Other languages
English (en)
Inventor
Evgeny Ivanovich Adaev
Alexander Vasilievich Blinov
Georgy Mikirtychevich Kamarian
Viktor Alexandrovich Novoselov
Leonid Markovich Yakimenko
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US3685121A publication Critical patent/US3685121A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • C25C7/005—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells of cells for the electrolysis of melts
    • 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
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y10T29/53204—Electrode
    • 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
    • Y10T29/53978—Means to assemble or disassemble including means to relatively position plural work parts

Definitions

  • the conventional methods do not ensure mutual alignment (orientation) of the templet used for the assembly of sets of the cathode caps with a prepared electrolyzer base. This may nullify the advantages of the measures taken in order to provide a precise assembly of the electrolyzer proper, and the replacement cathode cap in case their original alignment is distorted during the course of use of said templets.
  • An object of the present invention is to eliminate the above-mentioned disadvantages of the prior art.
  • Other objects and advantages of the present invention will become evident from the foregoing disclosure.
  • the present invention has as its purpose the provision of a templet or assembly with elements and parts, that ensure a precise and quick mutual alignment (orientation) of the assembled electrolyzer base or tank and the stand for the assembly with the setting of the cathode cap.
  • a templet for mutual alignment (orientation) of the electrolyzer and the stand for the assembly of the set of the cathode cap by way of mounting with its aid an electrolyzer on the upper plate and centering pins (dowels) onthe plate of the stand; said pins being intended for use with removable attachment used for lowering the set of the cathode cap with diaphragms into the electrolyzer and ensuring similar repositioning of the movable attachment (in the course of a subsequent installation thereof) relative to the axis of the complete base assembly and relative to dummy electrodes to be found on the stand for the assembly of the cathode cap.
  • said templet is fashioned as a part having holes for installing the centering pins on the plates of the electrolyzer, and pins on a stand for the assembly of the cathode cap with a diaphragm that is rigidly connected to an element having centering surfaces that are congruent in shape to the electrode of the electrolyzer and the dummy electrode disposed on the stand for the assembly of the set of the cathode cap.
  • the dimensions of the surfaces ensuring adhesion of the working surfaces of the element to the centering surfaces of the electrolyzer electrode and the dummy electrode on the stand during its successive connection therewith.
  • the templet element be made in the form of a piece of pipe with a flange secured to an upright, the latter being connected to a member in the form of crossed beams with holes for the pins.
  • This piece of the pipe may have an outside diameter 0.1 to 5 mm smaller than the inside diameter of the cathode and the inside diameter of the flange may be 0.1 5 mm larger than the outside diameter of the dummy electrode on the stand.
  • the templet may have an element consisting of several pipe pieces fastened to a common flange, the number of pipe pieces being selected to suit the number of the like electrodes of the electrolyzer.
  • FIG. 1 is a top plan view of an electrolyzer
  • FIG. 2 is a vertical sectional view taken along line II-II in FIG. 1;
  • FIG. 3 is a vertical sectional view through a templet on a stand
  • FIG. 4 is a vertical sectional view through a templet on an electrolyzer
  • FIG. 5 is a schematic flow diagram showing a method of electrolyzer assembly with use of the templet according to the invention.
  • FIG. 6 is a templet with element of four pipe pieces, bottom view
  • FIG. 7 is a longitudinal section of the templet of FIG. 6.
  • the electrolyzer assembly templet comprises a part 1 (FIGS. 1 and 2) made in the form of crossed beams, connected by side members for better stiffness, and
  • the part 1 is welded to the upper end of an upright member 4 which, in turn, is connected rigidly at its lower end to the element 5 made in the form of a piece of pipe 6 with a flange 7 at its upper end.
  • the outside diameter of the piece of pipe is preferably 0.1 to 5 mm smaller than the inside diameter of the cathode 8 (FIG. 4) while the inside diameter of the flange 7 is preferably 0.1 to 5 mm larger than the outside diameter of the dummy electrode shoes 9 of the stand (FIG. 3).
  • the electrolyzer is assembled in the following order. Without reference to the external parts, two main dimensions must be accurately ensured; the interpolar distance and the distance from the upper edge of the cathode to the screw supports on which the cathode cap frame rests.
  • the contact anode unit'll is installed on the foundation 10 (FIG. 5a), then the electrolyzer casing 12 is lowered from above and the supports 13 (FIG. 5b) are fastened to the casing; then the cathode 8 (FIG. 5c) is lowered on the supports and the screws 14 (FIG. 5b) are rotated for installing the cathode 8 to such a position as to direct its working surface vertically.
  • the anode 15 (FIG. 4) is installed with reference to the cathode 8 and poured with lead 16 in the contact unit 11.
  • the electrolyzer casing is lined with refractory bricks and the input terminals are grouted with heat resistant concrete.
  • the electrolyzer is covered with a plate 17.
  • the electrolyzer is next joined with the stand for the assembly of the cap, which is performed as follows.
  • the element 5 (FIG. 3) is lowered on the shoes 9 (FIG. 3 of the cylinder 18 (FIG. 5d) of the stand for the assembly of the cap 19 (FIG. 52) with the screen, in such a manner that the element 5 is held by the flange 7 on the shoes, contacting them with its inner surface.
  • the part 1 will rest on the reinforced-concrete plate 17 located on supports 20 (FIG. 5d).
  • centering pins 3 are placed into the templet holes 2 (FIG. 4) and welded to the metal strips of the plate 17 after which the templet is withdrawn from the stand.
  • the centering pins are installed on each electrolyzer.
  • the templet is lowered (FIG. 5f) into the electrolyzer with the cylindrical part of the templet entering into the cathode 8 (FIGS. 4 and 5g) and the flange resting on the upper edge (face) of the cathode 8.
  • the part 1 will rest on the plate 17.
  • the centering pins 3 are placed into the holes 2 and welded to the metal strips of the plate 17. Then the templet is withdrawn from the electrolyzer.
  • the centering pins in each electrolyzer are set identically with respect to the vertical axis of the cathode cylinder and in the same way as the stand pins are set with relation to the axis of the stand cylinder, which means that the electrolyzers, after the installation of the pins, are identical with each other and with the stand.
  • the cathode cap is assembled with the diaphragm on the stand in the following order.
  • the diaphragm 21 is placed (FIG. 5h) on the cylinder 18 (FIG. 5d) so that its upper face is located below the upper edge (face) of the cylinder, and the shoes 9 are then installed (FIG. 3).
  • the cathode cap 19 with rods is then lowered (FIG. 5e) to the shoes 9 of the cylinder 18.
  • Frame 22 is placed (FIG. 5k) on the plate 17, and the rods of the cathode cap 19 are connected to the frame to which rods the diaphragm 21 are then fastened. (FIG. 5h).
  • the lifting and lowering device 23 (FIG. 51) is lowered so as to direct the centering pins 3 of the stand (FIG. 5d) into the holes of the centering lugs of the device.
  • the frame of the lifting and lowering device is connected to the frame 22 (F IG. 5k) and the entire unit is transferred onto'the electrolyzer.
  • the lifting and lowering device 23 (FIG. 51) is installed on the electrolyzer so as to insert the centering pins 3 into the holes in its centering lugs, and the cap with the diaphragm is lowered into the electrolyzer. Then the lifting and lowering device is disconnected from the cap and removed from the electrolyzer.
  • the receivers 24 and 25 (FIG. 5n) for chlorine and sodium are then installed.
  • the electrolyzer assembly templet is provided with a frame part 26 (FIGS. 6 and 7) made in the form of crossed beams, connected by side members for better stiffness, and having holes 27 for the centering pins mentioned in example 1.
  • the frame 26 is welded to the upright 28 which, in turn, is connected rigidly to an element in the form of four pipe pieces 29-secured to a common peripheral flange 30.
  • the number of pipe pieces preferably corresponds to the number of cathodes in the electrolyzer.
  • the outside diameter of each pipe piece is 0.1 to 5 mm smaller than the inside diameter of each electrolyzer cathode while the inside diameter of the flange 30 is 0.1 to 5 mm larger than the outside diameter of the dummy electrode of the stand shoes 9 (FIG. 3).
  • the pins are installed identically which makes it possible to use the same lifting and lowering devices for installing the cap and diaphragm exactly into the interelectrode space, coaxially with the anode and cathode surfaces.
  • the centering operation described above is performed with relation to one or more cathodes of the electrolyzer, though centering with relation to one or more anodes may be performed with equal success.
  • An electrolyzer assembly templet comprising: a part having a plurality of holes for the installation of centering pins on the plates of the electrolyzer and stand for the assembly of the cathode cap with the diaphragm; and an element rigidly fastened to said part, said element being congruent in shape with the electrolyzer electrode used in centering the pins and with the dummy electrode on the stand, and having a size ensuring good contact between the working surface of the element and the centering surface of the electrode and dummy electrode when they are consecutively joined.
  • An electrolyzer assembly templet according to claim 1 wherein said'element has a configuration corresponding to a section of pipe and includes a flange member, and further comprising an upright secured at its lower end to said flange member, said part comprising a pair of crossed beams and being secured to the upper end of said upright.
  • An electrolyzer assembly templet according to claim 1 wherein said element has a configuration corresponding to a section of pipe and includes a flange member, and further comprising an upright secured at its lower end to said flange member, said part comprising a pair of crossed beams and being secured to the upper end of said upright.
  • An assembling and orientation templet for an electrolyzer for molten salts in which the electrolyzer includes a bath having an electrode normally immersed beneath a bath of molten salts or the like, a replaceable cathode cap and diaphragm, and an assembling stand for the cathode and diaphragm, said templet including a part having means for installing indexing means, and an element fixed relative to said part for engagement with the bath electrode, said stand including a dummy electrode corresponding to that of said bath for permitting said part means to locate second indexing means corresponding to those first mentioned whereby the cap and diaphragm are assembled with respect to indexing means of the cooperating bath, cap and diaphragm of said electrolyzer.
  • a templet used to assemble an electrolyzer for molten salts including an electrolyzer bath having an electrode, said electrolyzer bath having a top plate portion, said template having a portion engageable with said electrode for orienting a part with reference holes on said top plate portion for locating indexing pins on said electrolyzer bath, said template portion similarly engageable with an assembly stand for a cathode and diaphragm for locating similar indexing pins relative to a dummy electrode corresponding to that of the electrolyzer bath whereby preassembled cathode capv and diaphragm assemblies can be. readily oriented onto said electrole'zer bath in relation to the electrode thereof.
  • said element comprises a tubular element having a peripheral orientation flange, said tubular element being receivable in a tubular cathode'for orientation, and said flange including an inner portion for engagement and orientation of said template relative to dummy electrodes.
  • a templet as set forth in claim 7 in which said element comprises a tubular element having a peripheral orientation flange, said tubular element being receivable in a tubular cathode for orientation, and said flange including an inner portion for engagement and orientation of said template relative to dummy electrodes.
  • a templet as set forth in claim 8 in which said tubular element is constructed to be about 0.1 to 5 mm less than the inner cross section of the cathode in which it is removably received, and said flange has an inner diameter about 0.1 to 5 mm greater than the outer cross section of a dummy electrode.
  • a templet as set forth in claim 9 in which said tubular element is constructed to be about 0.1 to 5 mm less than the inner cross section of the cathode in which it is removably received, and said flange has an inner diameter about 0.1 to 5 mm greater than the outer cross section of a dummy electrode.

Landscapes

  • 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 Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrolytic Production Of Metals (AREA)
US131534A 1969-09-03 1971-04-05 A templet and method for assembling cathode caps on electrolyzers for molten salts Expired - Lifetime US3685121A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19691944712 DE1944712B2 (de) 1969-09-03 1969-09-03 Vorrichtung fuer den zusammenbau einer downs elektrolysezelle aus einzelnen montagegruppen
FR6930147A FR2066836A1 (fr) 1969-09-03 1969-09-04
GB4979269 1969-10-10
US13153471A 1971-04-05 1971-04-05

Publications (1)

Publication Number Publication Date
US3685121A true US3685121A (en) 1972-08-22

Family

ID=27430948

Family Applications (1)

Application Number Title Priority Date Filing Date
US131534A Expired - Lifetime US3685121A (en) 1969-09-03 1971-04-05 A templet and method for assembling cathode caps on electrolyzers for molten salts

Country Status (4)

Country Link
US (1) US3685121A (fr)
DE (1) DE1944712B2 (fr)
FR (1) FR2066836A1 (fr)
GB (1) GB1288777A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108461680A (zh) * 2018-03-26 2018-08-28 沈阳航天新光集团有限公司 一种大型模块化海水电池

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1272690B1 (fr) * 2000-03-15 2004-08-25 E.I. Du Pont De Nemours And Company Electrolyte et diaphragme pour electrolyse en sels fondus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108461680A (zh) * 2018-03-26 2018-08-28 沈阳航天新光集团有限公司 一种大型模块化海水电池

Also Published As

Publication number Publication date
DE1944712A1 (de) 1971-04-22
DE1944712B2 (de) 1972-03-30
FR2066836A1 (fr) 1971-08-13
GB1288777A (fr) 1972-09-13

Similar Documents

Publication Publication Date Title
GB1535112A (en) Electrolytic apparatus
US5935394A (en) Multi-polar cell for the recovery of a metal by electrolysis of a molten electrolyte
US3755108A (en) Method of producing uniform anolyte heads in the individual cells of a bipolar electrolyzer
NO901223L (no) Katodestroemsamler for aluminiumproduksjonsceller.
GB1169012A (en) Furnace and Process for Producing, in Fused Bath, Metals from their Oxides, and Electrolytic Furnaces having Multiple Cells formed by Horizontal Bipolar Carbon Electrodes
US3685121A (en) A templet and method for assembling cathode caps on electrolyzers for molten salts
GB1367802A (en) Electrode assemblies
US3498903A (en) Electrolytic diaphragm cell for production of chlorine,hydrogen and alkalies
CA1214750A (fr) Pile electrolytique a diaphragme et electrodes verticales
GB1406969A (en) Multiple vertical diaphragm type electrolytic cell for producing caustic soda
CN214212767U (zh) 一种用于油箱法兰和安装板定位组焊平台
US4064031A (en) Electrolyzer
US3203882A (en) Method of operating an alkali chlorate cell
US3544443A (en) Device for the installation of the cathode dome with diaphragm into the electrolytic cell
US3140991A (en) Mercury cathode electrolytic cells
US2265645A (en) Electrolytic cell
US3645878A (en) Device for setting cathodes in electrolyzers
GB1345254A (en) Electrolytic cell
ES8502739A1 (es) Una celda electrolitica perfeccionada
US3111745A (en) Method for cell construction
GB1185481A (en) Electrolytic Cell for the Electrolysis of a Molten Electrolyte.
US2631685A (en) Construction of water-flushed electrode for electrical precipitators
US3658686A (en) Electrode assembly for compensating thermal expansion in an electrolytic cell
GB597440A (en) Improvements in or relating to electrolytic cells
GB1212156A (en) Device for securing a cathode cap in electrolytic cells for producing metals