• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A filter-press electrolytic cell comprising a plurality of metallic anode plates, metallic cathode plates, frame-like gaskets of an electrically insulating material, and hydraulically impermeable cation-exchange membranes, the anode plates, cathode plates and gaskets having four openings (6. 7, 8, 9) therein which in the cell form four compartments lengthwise of the cell from which liquors may be charged to and through which the products of electrolysis may be removed from the anode and cathode compartments of the cell, at least some of the openings (6, 7, 8, 9) in the anode and cathode plates having electrically insulating frame-like members therein, which may be integral with the gaskets.
    公开号:SU1687033A3
    申请号:SU823516808
    申请日:1982-11-23
    公开日:1991-10-23
    发明作者:Весли Боултон Томас
    申请人:Империал Кемикал Индастриз Плс (Фирма)；
    IPC主号:
    专利说明:

     This invention relates to electrochemical industries.
    The aim of the invention is to simplify the design while eliminating leakage currents.
    Figure 1 presents the anode or cathode plates, isometry; in Fig. 2, a plate containing frame-like elements of an electrically insulating material, isometric; FIG. 3 shows an electrode and pairs of gaskets, one of which contains frame-shaped elements of an electrically insulating material, a section; figure 4 - part of the electrolytic cell, exploded view.
    The metal electrode 1 contains a frame-like element 2 (figure 1), which forms the central hole 3. The central hole 3 is bridged with a large number of vertically arranged strips 4, which are attached to the upper and lower parts of the frame-like element and parallel to the plane of the frame-shaped element and offset from her Stripes
     are located on both sides of the frame-shaped element 2. The strips are arranged so that the strip on one side is opposite to the gap between the two adjacent stripes on the other side.
    The metal electrode 1 has a protrusion 5 on which a suitable electrical connection can be fixedly mounted. Where electrode 1 is intended for use as an anode, protrusion 5
    is located on the lower edge of the frame 2, and where the electrode 1 is intended for use as a cathode, the protrusion 5 is located on the opposite lower edge of the frame 2.
    The frame-shaped element 2 contains a pair of holes 6 and 7 located on one side of the central hole 3, and a pair of holes 8 and 9 are located on the opposite side of the central hole 3. When the electrode is placed in the electrolytic cell, these holes form part of the chambers along the length of the cell, through which the electrolyte and other liquid can be poured into the anode and cathode chambers of the cell and through which the electrolysis products could / t be removed from the anode and cathode chambers of the cell, the metal of the electrode will be chosen depending on whether Whether it is used as an anode or cathode, as well as the type of electrolyte used in the electrolytic cell.
    The plate contains a frame-shaped part 10 (FIG. 3), which forms the central hole 11. The frame-shaped part 10 contains a pair of holes 12 and 13 located on one side of the central hole 11, and a pair of holes 14 and 15 are located on the opposite side of the central hole 11 When the plate is installed in an electrolytic cell, these openings form part of the chambers along the length of the cell through which electrolyte and other liquids are poured into the anode and cathode cells of the cell and through which the electrolyte products Lisa can be removed from the anode and cathode cells of the cell. The holes 12 and 15 also have upward-looking frame elements 16 and 17, located around the holes and protruding from the plane of the crustaceous strip, and which are adapted to be installed in the holes, respectively, 6 and 9 of the metal electrode when assembling an electrical cell. The upwardly moving frame elements 16 and 17 provide the required electrical insulation in the electrolytic cell between the chambers along the length of the cell, with partially delighted holes 6-9 in the electrode. The upwardly extending frame members 16 and 17 have a uniform construction with a plate and can be formed, for example, by forming a suitable electrically insulating thermoplastic polymer material. When the electrolytic cell contains a plate of this type, which is shown in FIG. 2, it will also contain similar gaskets, in which upwardly shaped frame elements 16 and 17 are located around the gasket holes 14 and 13.
    FIG. 3 shows an electrode assembly and a pair of gaskets in an electrolytic cell. The assembly comprises an electrode 1 comprising four holes 6 and 7 (two not shown), a frame-like plate comprising four holes 12 and 13 (two not shown), and a second frame-shaped gasket containing four holes. The frame-like plate contains two frame-shaped elements extending upward, projecting from the plane of the gasket and located in the holes 6 (one not shown)
    0 of electrode 1, coinciding with the surface of the plate to form a hermetic seal. In the assembly according to FIG. 3, the protrusion on the electrode of FIG. 1 is not included for the electrical connection.
    5 A portion of the electrolytic cell in FIG. 4 comprises a cathode 18, a plate, a cation-exchange membrane 19, a gasket, an anode 20, a gasket 47, a cation-exchange membrane 19 and a gasket, the Cathode 18 contains a large
    0 the number of vertically arranged strips located on both sides of the cathode, four holes and a protrusion 21 suitable for electrical connection, the Anode 20 has a design similar to cat 18, except that the protrusion (not shown) for the electrical connection is located on the bottom the edge of the anode.
    In the electrolytic cell, the gasket and the anode 20 together form the anode chamber of the cell, with the chamber connected by cation exchange membranes 19. Similarly, the cathode chambers of the cell are formed by a cathode, a gasket and a gasket (not shown) of the type that is adjacent to the cathode the cathode chamber is also connected by two cation exchange membranes. In the assembled cell, the cation-exchange membranes are held in the proper position.
    0 by means of gaskets arranged with
    each side of each membrane.
    In an embodiment of the design
    according to figure 4 are not shown or end
    cell plates that form part of
    5 cells, nor means, for example bolts, which are formed to jointly attach electrodes and gaskets to create a sealed assembly. The cell contains a large number of anodes and cathodes, pressure devices (not shown), of which the electrolyte can be poured into the chamber along the length of the cell, a part of which forms the cathode opening, and from there the electrolysis products can pass through the channel in the gasket wall to the anode chamber. .
    The known cell contains a large number of vertically arranged flexible anode plates and flexible cathode plates, as well as a membrane for selective passage of a cationic located between each adjacent anode and cathode plate, thereby forming separate anodic and cathodic chambers. In the cell, each anode plate is partially made of electrically insulating material and contains an anode part made of film-forming metal having an electrocatalytic active coating on the surface, each cathode plate partially made of electrically insulating material and contains a metal cathode part and not having conductive flexible intermediate plate, which can act as a gasket, is located between each membrane and the adjacent anode plate and between each th membrane and adjacent cathode plate. Each of the anode, cathode and intermediate plates has openings that form in the cell four separate chambers along its length, from which the solutions can be poured, respectively, into the anode and cathode chambers of the cell and through which the electrolysis products can be removed from the corresponding anode and cathode chambers of the cell. The intermediate plates can be made with channels in the walls that provide the necessary connection for the flow of solution between the chambers along the length of the cell and the anode and cathode chambers. In this electrolytic cell, the anode plates and cathode plates are partially formed of electrically insulating material so that these cells along the length of the cell that communicate with the anode cells of the cell can be electrically isolated from those cells along the length of the cell that communicate with its cathode chambers . This electrical insulation is necessary to ensure the flow of electric current in the cell through cation-exchange membranes located between adjacent anode plates and cathode plates.
    In the proposed design of the anodic and cathodic plates, each of them is partially made of metal and partly of electrically insulating material and has a centrally located metal electrode part and four holes located near the corners of the plates, having a rectangular shape, the plates formed by the frame-shaped metal parts are combined with the plate, and the two holes formed by the frame-like elements made of electrically insulating material are located in of the plate and in the recesses of the plate near its corners.
    权利要求:
    Claims (1)
    [1]
    Such an anode and cathode plate design is complex and leads to assembly problems in the electrolytic cell, which has the difficulty of installing the electrically insulating parts of the anode and cathode plates with the required accuracy. In addition, since the metal and electrically insulating parts of the anodic and cathodic plates do not constitute a unified design, the metallic and electrically insulating parts must abut each other. This contiguity, which can occur at a considerable distance, can lead to problems of solution leakage from the anode and cathode chambers of the cell to the outside. The invention of the filter-type electrolyzer, including alternating anode and cathode plates, cation-exchange membranes, membrane plates made of non-conducting material, installed between the anode and cathode plates, with the formation of the anode and cathode chambers, in the anode, cathode, membrane plates on opposite sides, are made on the opposite sides of the plates. which, during assembly, form four channels, two channels for feeding the anode and cathode chambers, two channels for feeding the anode and cathode chambers, and two for outputting products from anode and cathode chambers, characterized in that, in order to simplify the design while eliminating leakage currents, the anode and cathode plates are made of metal and the electrolyzer is equipped with frame-shaped gaskets made of elastic non-conductive material placed in the holes of the anode and cathode plates for power supply and output products of anode or cathode chambers.
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    同族专利:
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    NZ202497A|1985-02-28|
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    AU9062382A|1983-06-02|
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    US4490231A|1984-12-25|
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    IL67303A|1986-04-29|
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    IL67303D0|1983-03-31|
    FI71355C|1986-12-19|
    KR840002469A|1984-07-02|
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    IE822661L|1983-05-24|
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB1595183A|1977-03-04|1981-08-12|Ici Ltd|Diaphragm cell|
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    IT7868888D0|1978-08-10|1978-08-10|Fiat Eng|REVERSE OSMOSIS EQUIPMENT|
    SE418508B|1979-04-20|1981-06-09|Svenska Utvecklings Ab|ELECTRICAL PACKAGE PROVIDED TO BE USED IN A CELL, WHICH AN ELECTROCHEMICAL REACTION IS CARRIED OUT AND USED BY THE SAME IN A MEMBRAN CELL IN AN ELECTROLYSOR CELL OF FILTER PRESSURE TYPE|
    US4371433A|1980-10-14|1983-02-01|General Electric Company|Apparatus for reduction of shunt current in bipolar electrochemical cell assemblies|GB8312043D0|1982-05-19|1983-06-08|Ici Plc|Electrolytic cell and gasket|
    US4610765A|1984-09-24|1986-09-09|The Dow Chemical Company|Seal means for electrolytic cells|
    US4877499A|1984-11-05|1989-10-31|The Dow Chemical Company|Membrane unit for electrolytic cell|
    GB8526054D0|1985-10-22|1985-11-27|Ici Plc|Electrolytic cell|
    FR2601387B1|1986-07-09|1990-10-19|Solvay|PRESSURE FILTER TYPE ELECTROLYSER|
    US4940518A|1988-09-26|1990-07-10|The Dow Chemical Company|Combination seal member and membrane holder for a filter press type electrolytic cell|
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    US5064514A|1990-03-30|1991-11-12|Olin Corporation|Apparatus for the production of chloric acid|
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    US11225724B1|2020-07-17|2022-01-18|Key Dh Ip Inc./Ip Strategiques Dh, Inc.|Integrally combined current carrier circulation chamber and frame for use in unipolar electrochemical devices|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    GB8135403|1981-11-24|
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