US3875040A - Retaining structure for frames of multi-electrode electrolysis apparatus - Google Patents

Retaining structure for frames of multi-electrode electrolysis apparatus Download PDF

Info

Publication number
US3875040A
US3875040A US354033A US35403373A US3875040A US 3875040 A US3875040 A US 3875040A US 354033 A US354033 A US 354033A US 35403373 A US35403373 A US 35403373A US 3875040 A US3875040 A US 3875040A
Authority
US
United States
Prior art keywords
electrodes
frame
electrode
frames
faces
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
US354033A
Other languages
English (en)
Inventor
Carl Weltin
Horst Pomiczinski
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of US3875040A publication Critical patent/US3875040A/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
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/60—Constructional parts of cells
    • C25B9/63—Holders for electrodes; Positioning of the electrodes

Definitions

  • Cl B01k 3/00 rises pin securing each electrode against movement Field of Search relative to its frame by extending into aligned recesses 286 in the electrode and frame, a plurality of elastic insulating seals between adjacent frames to allow limited References Cited movement upon expansion, a pair of spaced end plates UNITED STATES PATENTS provided with aligned apertures, a bolt extending 2.075 688 3/1937 Zdansky 204/256 through each Pair of aligned aPerwres and resilient 2143.793 1 1939 Nicdcrrcither..
  • This invention relates to an apparatus in which the electrically insulated holding frames of an electrolysis unit (electrolyzer) are connected particularly favorably to the electrodes, preferably electrode plates.
  • Electrolysis can frequently be interrupted because, in view of the temperature differences which occur, cracks and hence leaks can be developed in the cement through the different coefficients of expansion of the plastic material and electrode material.
  • a second known form of connection between the holding frame and the electrodes is the so-called interlocking joint, in which the holding frame and the electrode are joined by tongue and groove.
  • interlocking joint in which the holding frame and the electrode are joined by tongue and groove.
  • One of the objects of the present invention is to obviate the disadvantages of conventional methods and to provide a suitable connection between the holding frame and electrode plates which consist of different materials. More particularly, the object of the invention is to provide an apparatus in which the disadvantages referred to above do not occur in the event of fluctuations in temperature of the kind which inevitably occur during the start up and run down of the electrolysis apparatus.
  • the apparatus according to the invention is intended to allow the use of materials which, although hitherto regarded as suitable in regard to their behavior with respect to acids to be electrolyzed and other reactive substances, have never been able to be cemented to the electrodes plates in conventional apparatus on account of their high coefficient of expansion.
  • an apparatus suitable for the electrolysis of hydrochloric acid and alkali metal chlorides comprising a plurality of current-conducting electrodes, a plurality of frames respectively carrying the elctrodes, means for holding said frames together in an assembly, and means for passing an electric current through said I with corresponding faces of its frame, said frame and assembled electrodes.
  • the apparatus includes elastic insulating seals separating a frame and its electrode from its adjacent frames and electrodes, said frame holding means including a resilient mounting, whereby said frame holding means will resiliently be displaced upon expansion of said electrodes.
  • the frame holding means comprises a pair of spaced end plates provided with aligned apertures, a bolt extending through each pair of aligned apertures, and resilient means on each bolt forcing said end plates together against the urging of said elastic insulating seals to constitute said assembly.
  • At least one end of each bolt is threaded and carries a threaded nut, the resilient means comprising a coiled spring which is compressed between the nut and end plate.
  • each electrode has parallel faces substantially flush electrode being provided with aligned recesses extending parallel to the faces but spaced therefrom, the assembly including a pluralityof pins respectively in a pair of said aligned recesses whereby each electrode and its framev will move together in direction perpendicular to the faces.
  • the electrode plates, anodes as well as cathodes are neither cemented in nor interlocked, but instead are held resiliently between the electrolyzer frames by the retaining bolts of the electrolyzer.
  • the apparatus according to the invention is suitable for electrolysis in aqueous medium, for example for the electrolysis of hydrochloric acid and alkali metal chlorides.
  • electrolysis processes can be carried out particularly favorably by the diaphragm process using so-called bipolar electrodes in the apparatus according to the invention.
  • the electrodes are preferably carbon electrodes.
  • FIG. 1 is a schematic longitudinal section through an apparatus with the electrodes shown in elevation; and FIG. 2 is an enlarged view of a portion of FIG. 1.
  • FIG. 3 is a cross-sectional view (section A B of FIG. 1).
  • the electrolyzer consists of any number of individual frames 1, 8, 10, 11, 12 and electrodes 2, the cathode of the preceding cell 3 being the anode for the following cell 4 (bipolar electrode), etc.
  • Diaphragms 7 are used to separate the anode compartments 5 from the cathode compartments 6.
  • Retaining bolts 9 press the frame 8 against the frame 10, the frame 11 against the frame 12, etc.
  • the electrodes between the frames are held in position through elastic seals 13, the transverse expansion of the materials being elastically absorbed by the retaining bolts 9.
  • the frames can expand or contract perpendicularly to any extend without any negative effect upon the joint between the holding frames and the electrodes in the range of temperatures which occur.
  • plastic pins 14 which fit into corresponding aligned recesses 15 in the electrodes are introduced into the individual frames of the electrolyzer both on top and beneath.
  • the electrode plates are thus prevented from dropping out of the frame during assembly.
  • the pins must have enough room .for movement in the aforementioned recesses to provide them with the necessary clearance, even in the operative state, for example at 80C.
  • Threaded bolts 9 pass through aligned apertures in a pair of end plates 16a, 16b holding all the frames together, threaded nuts 17a, 1712 being positioned on the bolt ends and compressing resilient springs 18a, 18b which work against the elastic seals.
  • each frame and electrode with an aligned pin and recess extending parallel to the faces but spaced therefrom, whereby each trode-and-frame units.

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)
US354033A 1972-05-09 1973-04-24 Retaining structure for frames of multi-electrode electrolysis apparatus Expired - Lifetime US3875040A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722222637 DE2222637A1 (de) 1972-05-09 1972-05-09 Halterahmen fuer elektroden von elektrolysevorrichtungen

Publications (1)

Publication Number Publication Date
US3875040A true US3875040A (en) 1975-04-01

Family

ID=5844456

Family Applications (1)

Application Number Title Priority Date Filing Date
US354033A Expired - Lifetime US3875040A (en) 1972-05-09 1973-04-24 Retaining structure for frames of multi-electrode electrolysis apparatus

Country Status (3)

Country Link
US (1) US3875040A (de)
BE (1) BE799178A (de)
DE (1) DE2222637A1 (de)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997421A (en) * 1976-02-02 1976-12-14 Cominco Ltd. Top-mounted anode spacer clip
US4026782A (en) * 1974-07-29 1977-05-31 Rhone-Poulenc Industries Electrolysis cell having bipolar elements
US4045325A (en) * 1975-01-27 1977-08-30 Bayer Aktiengesellschaft Membrane seal for electrolysis plate and frame assemblies
US4064032A (en) * 1974-07-29 1977-12-20 Rhone-Poulenc Industries Electrolysis cell of modular structure and having bipolar elements
US4069129A (en) * 1975-04-15 1978-01-17 Asahi Glass Company, Ltd. Electrolytic cell
US4073715A (en) * 1975-11-28 1978-02-14 Oronzio De Nora Impianti Elettrochimici, S.P.A. Electrolysis cell with vertical anodes and cathodes and method of operation
US4076609A (en) * 1975-01-14 1978-02-28 Societe De Recherches Techniques Et Industrielles Electrolysis apparatus
US4129495A (en) * 1977-12-30 1978-12-12 Allied Chemical Corporation Support structure for plural cell electrolyzer
US4139448A (en) * 1978-01-03 1979-02-13 Hooker Chemicals & Plastics Corp. Separating web - electrolytic compartment frames assembly for electrolytic apparatuses
US4236983A (en) * 1978-04-14 1980-12-02 Bayer Aktiengesellschaft Process and apparatus for electrolysis of hydrochloric acid
US4255245A (en) * 1978-08-22 1981-03-10 Creusot-Loire Electrolysis cells
US4402811A (en) * 1980-11-06 1983-09-06 Bayer Aktiengesellschaft Hydrochloric acid electrolytic cell for the preparation of chlorine and hydrogen
US4469577A (en) * 1982-05-26 1984-09-04 Uhde Gmbh Membrane electrolysis cell
US4541911A (en) * 1983-07-19 1985-09-17 Imperial Chemical Industries Plc Method of assembling a filter press type electrolytic cell
EP0410478A2 (de) * 1989-07-27 1991-01-30 De Nora Permelec S.P.A. Schichtpresse
US5567284A (en) * 1993-09-18 1996-10-22 Friwo Silberkraft Gesellschaft Fuer Batterietechnik Mbh Electrochemical actuator
US20040035696A1 (en) * 2002-08-21 2004-02-26 Reinhard Fred P. Apparatus and method for membrane electrolysis for process chemical recycling
US20140363748A1 (en) * 2013-06-10 2014-12-11 Carl Freudenberg Kg Electrode Module
US20150300557A1 (en) * 2011-12-19 2015-10-22 Sartorius Stedim Biotech Gmbh Filter holder and method for sterilizing the filter holder
WO2016169330A1 (zh) * 2015-04-24 2016-10-27 王树岩 一种复极盐水电解装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2317359C2 (de) * 1973-04-06 1982-11-11 Gewerkschaft Keramchemie, 5433 Siershahn Vorrichtung zur Elektrolyse von Salzsäure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2075688A (en) * 1935-01-10 1937-03-30 Bamag Meguin Ag Electrolytic apparatus
US2143793A (en) * 1936-03-30 1939-01-10 Niederreither Hans Bracing for assembled electrolytic cell bodies or the like
US3287251A (en) * 1962-04-02 1966-11-22 Horne Bi-polar electrochemical cell
US3402117A (en) * 1964-11-05 1968-09-17 Evans David Johnson Electrodes and electrode stacks for electrolytic cells
US3778362A (en) * 1967-06-27 1973-12-11 Bayer Ag Electrolytic apparatus including bipolar electrodes defining an enclosed volume and held in a nonconductive frame

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2075688A (en) * 1935-01-10 1937-03-30 Bamag Meguin Ag Electrolytic apparatus
US2143793A (en) * 1936-03-30 1939-01-10 Niederreither Hans Bracing for assembled electrolytic cell bodies or the like
US3287251A (en) * 1962-04-02 1966-11-22 Horne Bi-polar electrochemical cell
US3402117A (en) * 1964-11-05 1968-09-17 Evans David Johnson Electrodes and electrode stacks for electrolytic cells
US3778362A (en) * 1967-06-27 1973-12-11 Bayer Ag Electrolytic apparatus including bipolar electrodes defining an enclosed volume and held in a nonconductive frame

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4026782A (en) * 1974-07-29 1977-05-31 Rhone-Poulenc Industries Electrolysis cell having bipolar elements
US4064032A (en) * 1974-07-29 1977-12-20 Rhone-Poulenc Industries Electrolysis cell of modular structure and having bipolar elements
US4076609A (en) * 1975-01-14 1978-02-28 Societe De Recherches Techniques Et Industrielles Electrolysis apparatus
US4045325A (en) * 1975-01-27 1977-08-30 Bayer Aktiengesellschaft Membrane seal for electrolysis plate and frame assemblies
US4069129A (en) * 1975-04-15 1978-01-17 Asahi Glass Company, Ltd. Electrolytic cell
US4073715A (en) * 1975-11-28 1978-02-14 Oronzio De Nora Impianti Elettrochimici, S.P.A. Electrolysis cell with vertical anodes and cathodes and method of operation
US3997421A (en) * 1976-02-02 1976-12-14 Cominco Ltd. Top-mounted anode spacer clip
US4129495A (en) * 1977-12-30 1978-12-12 Allied Chemical Corporation Support structure for plural cell electrolyzer
US4139448A (en) * 1978-01-03 1979-02-13 Hooker Chemicals & Plastics Corp. Separating web - electrolytic compartment frames assembly for electrolytic apparatuses
US4236983A (en) * 1978-04-14 1980-12-02 Bayer Aktiengesellschaft Process and apparatus for electrolysis of hydrochloric acid
US4255245A (en) * 1978-08-22 1981-03-10 Creusot-Loire Electrolysis cells
US4402811A (en) * 1980-11-06 1983-09-06 Bayer Aktiengesellschaft Hydrochloric acid electrolytic cell for the preparation of chlorine and hydrogen
US4469577A (en) * 1982-05-26 1984-09-04 Uhde Gmbh Membrane electrolysis cell
US4541911A (en) * 1983-07-19 1985-09-17 Imperial Chemical Industries Plc Method of assembling a filter press type electrolytic cell
AU573745B2 (en) * 1983-07-19 1988-06-23 Imperial Chemical Industries Plc Filter press type electrolytic cell
EP0410478A2 (de) * 1989-07-27 1991-01-30 De Nora Permelec S.P.A. Schichtpresse
US5006215A (en) * 1989-07-27 1991-04-09 The Dow Company Squeezer apparatus
EP0410478A3 (en) * 1989-07-27 1991-11-13 De Nora Permelec S.P.A. Laminating press
US5567284A (en) * 1993-09-18 1996-10-22 Friwo Silberkraft Gesellschaft Fuer Batterietechnik Mbh Electrochemical actuator
US20040035696A1 (en) * 2002-08-21 2004-02-26 Reinhard Fred P. Apparatus and method for membrane electrolysis for process chemical recycling
US20150300557A1 (en) * 2011-12-19 2015-10-22 Sartorius Stedim Biotech Gmbh Filter holder and method for sterilizing the filter holder
US9903529B2 (en) * 2011-12-19 2018-02-27 Sartorius Stedim Biotech Gmbh Filter holder and method for sterilizing the filter holder
US20140363748A1 (en) * 2013-06-10 2014-12-11 Carl Freudenberg Kg Electrode Module
US10283787B2 (en) * 2013-06-10 2019-05-07 Carl Freudenberg Kg Sealing frame for a redox-flow battery electrode module
WO2016169330A1 (zh) * 2015-04-24 2016-10-27 王树岩 一种复极盐水电解装置
CN106148993A (zh) * 2015-04-24 2016-11-23 王树岩 一种复极盐水电解装置

Also Published As

Publication number Publication date
DE2222637A1 (de) 1973-11-29
BE799178A (fr) 1973-11-07

Similar Documents

Publication Publication Date Title
US3875040A (en) Retaining structure for frames of multi-electrode electrolysis apparatus
US3674676A (en) Expandable electrodes
US4343689A (en) Novel electrolysis cell
JP5627600B2 (ja) 電解プロセス用の基本セルおよび関連するモジュール型電解装置
NZ202496A (en) Electrolytic cell electrode:foraminate grid bonded to pips on conductive sheet
US3824173A (en) Dismantleable bipolar electrodes including electrical contact means between the electrode portions
SK363585A3 (en) Membrane electrolytic cell
US4217199A (en) Electrolytic cell
CA1094017A (en) Hollow bipolar electrolytic cell anode-cathode connecting device
US9404191B2 (en) Anode for use in zero-gap brine electrolyzer, brine electrolyzer and method for zero-gap brine electrolysis employing same
US4204939A (en) Diaphragm cell
CA1196885A (en) Electrolytic cell for separating chlorine gas from other gases
JPH0657874B2 (ja) 膜型電解槽
JP2000192276A (ja) 複極型イオン交換膜電解槽
US3773644A (en) Electrolytic cell for the production of fluorine
CA1214750A (en) Electrolytic cell having a membrane and vertical electrodes
US3318792A (en) Mercury cathode cell with noble metaltitanium anode as cover means
US3804739A (en) Electrolytic cell including arrays of tubular anode and diaphragm covered tubular cathode members
EP0132079A1 (de) Verfahren zum Zusammenbau einer Elektrolysezelle der Filterpressenbauart
US4855032A (en) Electrode structure
EP0055930A1 (de) Elektrodenabstandssteuerung für eine elektrolytische Zelle
US3898149A (en) Electrolytic diaphragm cell
US4666580A (en) Structural frame for an electrochemical cell
US1070454A (en) Electrolytic cell.
NL7905295A (nl) Elektrolytische cel.