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Monopole parallel filter-pressing type electrolytic cell for electrochemical fluorination

An electrochemical and electrolytic cell technology, applied in the field of electrochemical fluorination unipolar parallel filter press electrolytic cells, to achieve the effects of convenient maintenance, ensuring zero spacing and improving electrolysis efficiency

Active Publication Date: 2021-02-05
PERIC SPECIAL GASES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a kind of electrochemical fluorination monopolar parallel pressure filter type electrolyzer, to solve the problem proposed in the above-mentioned background technology

Method used

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  • Monopole parallel filter-pressing type electrolytic cell for electrochemical fluorination
  • Monopole parallel filter-pressing type electrolytic cell for electrochemical fluorination
  • Monopole parallel filter-pressing type electrolytic cell for electrochemical fluorination

Examples

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Embodiment 1

[0028] A kind of electrochemical fluorination monopolar parallel pressure filter electrolyzer, such as figure 1 As shown, an electrochemical fluorination monopolar parallel filter press electrolyzer includes a tank body, and the tank body is provided with a relatively parallel left end plate 1 and a right end plate 19, and the left end plate 1 and the right end plate The electrolysis area between the plates 19 is provided with a plurality of relatively parallel pull rods 16, and the two ends of the pull rods 16 are locked and fixed on the left end pole plate 1 and the right end pole plate 19 by disc springs 14 and fastening nuts 15; Some anode plates 6 and some cathode plates 7 are arranged between the pole plate 1 and the right end pole plate 19, the anode plates 6 and the cathode plates 7 are alternately arranged, and the left end pole plate 1, some anode plates 6, some cathode plates 7, the right end The pole plates 19 are distributed side by side and are fixed by means of ...

Embodiment 2

[0037] The structure of this embodiment is basically the same as that of Embodiment 1, and the difference is that when the material generated by the electrolysis cathode and anode is relatively inert, the cathode plate 7, the secondary electrode catalyst plate 5, The anode plates 4 are pressed against each other and prevent short circuits. After the diaphragm 4 is removed, there is no diaphragm resistance in the electrolytic cell, which saves more power and energy. At the same time, the structure of the cell body is simpler and more compact, and the maintenance is more convenient.

Embodiment 3

[0039] The structure of this embodiment is basically the same as that of Embodiment 1, and the difference is that: the left end plate 1, the anode plate 6, the cathode plate 7, and the right end plate 19 are all as follows Figure 4 square as shown. Since most of the nickel plates provided by the supplier are square, a large amount of expensive nickel plates will be wasted if they are processed into a round shape. Therefore, the electrolytic cell is directly set to a square shape to reduce the waste of nickel plates.

[0040] The number of the pull rods 16 is 4-20, which are evenly distributed and fixed along the left end pole plate 1 and the right end pole plate 19.

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Abstract

The invention discloses a monopole parallel filter-pressing type electrolytic cell for electrochemical fluorination. The electrolytic cell comprises a cell body, wherein a left-end polar plate and a right-end polar plate are arranged in the cell body; a plurality of pull rods are arranged between the left-end polar plate and the right-end polar plate, and the two ends of each pull rod are locked and fixed on the left-end polar plate and the right-end polar plate through belleville springs and fastening nuts; a plurality of anode plates and a plurality of cathode plates are arranged between theleft-end polar plate and the right-end polar plate, and the anode plates and the cathode plates are alternately arranged; the left-end polar plate, the right-end polar plate and the cathode plates are electrically connected to a cathode main conducting bar; and the anode plates are electrically connected to the anode main conducting bar. According to the invention, the left-end polar plate, the plurality of anode plates, the plurality of cathode plates and the right-end polar plate are distributed side by side and are serially connected and fixed through the pull rods and the fastening nuts to form a filter-pressing type serial-connection parallel connection structure, and the filter-pressing type serial-connection parallel connection structure has the characteristics of equal voltage, compact structure, high current efficiency, high corrosion resistance and the like and is suitable for industrial production.

Description

technical field [0001] The invention relates to an electrochemical fluorination electrolytic cell, in particular to an electrochemical fluorination monopolar parallel pressure filter electrolytic cell. Background technique [0002] Fluorochemicals and their derivatives (sometimes also called organic fluorides or fluorochemicals) are substances that contain moieties that are fluoroaliphatic or fluorocarbon in nature, such as nonpolar, Hydrophobic, oleophobic and chemically inert, in addition it may contain moieties that are functional in nature, eg polar and chemically active. Such materials include some well known commercially available materials such as those that impart oil, water, stain and mud repellency to textiles, eg Scoth-gard carpet protectors. [0003] One method used to produce various fluorine-containing compounds (such as perfluorinated and partially fluorinated organic fluorides) is electrochemical fluorination, which was first invented by American chemist Sim...

Claims

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Application Information

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IPC IPC(8): C25B9/77C25B9/21C25B3/28C25B3/11C25B9/65C25B15/021
CPCC25B15/00
Inventor 吝子东冀延治李柄缘耿谦王斌朱姜涛曹红梅袁瑞玲
Owner PERIC SPECIAL GASES CO LTD
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