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 PDFInfo
- 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
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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
- C25C7/005—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)
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)
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)
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 |
-
1969
- 1969-09-03 DE DE19691944712 patent/DE1944712B2/de not_active Withdrawn
- 1969-09-04 FR FR6930147A patent/FR2066836A1/fr not_active Withdrawn
- 1969-10-10 GB GB4979269A patent/GB1288777A/en not_active Expired
-
1971
- 1971-04-05 US US131534A patent/US3685121A/en not_active Expired - Lifetime
Cited By (1)
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 |
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