CN87208091U - Electrode chamber with baggy ion exchange membrane - Google Patents
Electrode chamber with baggy ion exchange membrane Download PDFInfo
- Publication number
- CN87208091U CN87208091U CN 87208091 CN87208091U CN87208091U CN 87208091 U CN87208091 U CN 87208091U CN 87208091 CN87208091 CN 87208091 CN 87208091 U CN87208091 U CN 87208091U CN 87208091 U CN87208091 U CN 87208091U
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- China
- Prior art keywords
- exchange membrane
- baggy
- ion exchange
- utility
- model
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model provides an electrode chamber with baggy ion exchange membrane, wherein, the outside of the polar frame of the electrode is sheathed with a baggy ion exchange membrane matched with the size and the shape of the polar frame; the baggy ion exchange membrane and a rib are bundled by a plastic tape along the upper edge of the polar frame. The utility model has the advantages of simple structure and convenient installation and maintenance. Compared with electrode chamber formed by the embedded line pressing plate method, the reliability and the service life of the electrode chamber with baggy ion exchange membrane can be improved greatly and the tank voltage can be lowered by 0.1v-0.2v. The utility model not only can directly apply to a hydrogen peroxide electrolytic tank produced by adopting biscuit ware membrane, but also the utility model can apply to the electrolytic production, such as potassium persulfate and sodium perchlorate, etc.
Description
The utility model relates to a kind of electrolysis process equipment, particularly a kind of bag electrode vessel of shape ion-exchange membrane that has.
The technology that is equipped with hydrogen peroxide with the electrolysis oxidation method for preparing is the mixed solution of sulfuric acid and ammonium sulfate to be introduced carry out following reaction in the electrolyzer:
With the preparation ammonium persulphate, the gained ammonium persulphate is through hydrolysis, and rectifying and concentrated promptly gets hydrogen peroxide, and reaction formula is:
In electrolytic process, in order not make the S of positive column
2O
= 8Ion diffusion adopted the biscuit ware film to separate to the cathodic area in the past, and this film is neutral film, and ion is not had the selection perviousness, and was subject to the blue pollution of iron, and bath voltage can be elevated to more than 6 volts in the electrolytic process, and power consumption increases thereupon.Adopt cationic exchange membrane much superior than the biscuit ware barrier film, only allow that positively charged ion passes through because cationic exchange membrane has, and do not allow the characteristic that negatively charged ion passes through, therefore can stop S effectively as barrier film
2O
= 8To the negative electrode diffusion, and membrane resistance is less, is not subjected to the blue pollution of iron again, so bath voltage reduces, current efficiency increases, and the production cost of hydrogen peroxide also is minimized.
But the sheet ion-exchange membrane is installed difficulty on dioxygen water power groove, although cause it that many advantages are arranged, up to the present still be difficult to generally promote the use of in the whole nation.Chemical industry one factory in Jiangyin has adopted rule pressing plate dress membrane method for addressing this problem, promptly, make filler rod with the duroplasts welding rod then, ion-exchange membrane is pressed in groove at the both sides of plastics anode frame fluting, make mould prolong into shape of reverse omega, and load onto the plastics press box in the film outside.This mounting means very easily makes film sustain damage or pressure break, and especially on the corner weak link is especially often leaked in the use.Simultaneously owing to ion-exchange membrane is fixed tightly with filler rod, thereby can't expansion and the contraction of compensate film in electrolyte solution, easily tear ion-exchange membrane, reduce its work-ing life.And because of must reserve certain area fluting on anode frame, this has just reduced the effective film area, has increased bath voltage.In addition, the replacing difficulty of film, both time-consuming, require great effort again.
The purpose of this utility model is to produce hydrogen peroxide for electrolytic process a kind of power consumptive province is provided, and is simple and reasonable for structure, reliable, and electrode vessel easy to installation and maintenance.
The purpose of this utility model realizes by following manner: with shape and the big or small bag shaped structure of making open topped of cationic exchange membrane by anode frame, be enclosed within anodic utmost point frame outside then, and tie with plastic tape along the upper edge and the muscle of utmost point frame, at discharge port a discharge nozzle that has collet threaded is installed.Wherein the basement membrane of ion-exchange membrane can be the macromolecular material of polyethylene, polyvinylidene difluoride (PVDF) or fluoro-containing plastic and so on.Also bag shape film directly can be enclosed within outside the electrode liner fish scale mesh bag.
The utility model is simple in structure, and it is convenient to install, change, and the reliability of film and work-ing life all greatly improve than the rule pressing-plate method.And, the useful area of film being increased because of need not fluting, bath voltage reduces.The utility model can directly apply to and adopt the biscuit ware barrier film to produce in the electrolyzer of hydrogen peroxide, needn't change anode frame.In addition, it also can be applicable in other electrolysis production such as Potassium Persulphate, sodium perchlorate.
Below with reference to accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is a synoptic diagram of the present utility model.
With reference to Fig. 1, anode construction is identical with the anode that the electrolytic process that separates with the biscuit ware film is produced hydrogen peroxide in the past, is to be made of platinized platinum 3 and coupled current conducting rod 2, and conduction bronze medal 1 is connected with the end of current conducting rod 2.Weld a horizontal plastics stay 4(respectively and also plastics fish scale net can be set on the both sides of frame at the place in the middle of the both sides of the plastics utmost point frame 5 outside electrode), collide to prevent film and platinized platinum.
According to the anode frame size, the high-pressure polyethylene film of the 0.25-0.3 mm thick size by anode frame is cut, and hot weld becomes the utmost point frame bag of open topped, put into the stainless steel lining frame in the bag, then it is immersed by vinylbenzene, in the solution that Vinylstyrene and a small amount of Diisopropyl azodicarboxylate are formed, be warmed up to 60 ℃, be incubated 45 minutes, towards residul liquid-removing, around the injection hot water closing membrane, insulation is 7 hours under 60 ℃ of temperature, and polymerizing curable finishes into counterdie, and then in the dichloroethane solution with 50 ℃ of its immersions, swelling 45 minutes, remove swelling agent after, add 98% sulfuric acid, under 80 ℃ of temperature sulfonation 9-10 hour, wash with water at last and totally promptly get a bag shape cationic exchange membrane.Its exchange capacity is 1.8-2.2 milligramequivalent/gram dry film, water ratio 35-40%, 3 ohm of square centimeters of face resistance, permoselectivity about 95%.
The above-mentioned bag shape cationic exchange membrane 6 that makes is enclosed within the outside of plastics utmost point frame 5, and opens a hole, screwing the plastics tubing 8 that has collet threaded, and all tie up with polyvinyl chloride band 7 along the upper edge and the muscle of utmost point frame 5 at its side discharge port place.
Compare with the electrode chamber that adopts the biscuit ware barrier film to produce hydrogen peroxide, the utility model can make average cell voltage drop to the 4.4-4.8 volt from the 5.5-6.0 volt, and electrolytic efficiency rises to about 87%, and 1 ton of hydrogen peroxide of every production can economize on electricity about 1,000 degree. Volume increase 25-30%; And compare with the electrode chamber of rule pressing-plate method, then tank voltage can reduce the 0.1-0.2 volt, and can prolong more than 20% the service life of amberplex.
Claims (2)
1, a kind of electrode vessel that is used for electrolysis process, it comprises the utmost point frame 5 of anode and outside thereof, and be installed in cationic exchange membrane 6 above the utmost point frame 5, it is characterized in that described ion-exchange membrane 6 is open topped, and the bag shaped structure that size and shape and utmost point frame 5 are complementary, be enclosed within utmost point frame 5 outsides, and make it fixing with utmost point frame 5 by plastic tape 7.
2, electrode vessel according to claim 1, the basal lamina material that it is characterized in that said ion-exchange membrane are polyethylene, polyvinylidene difluoride (PVDF) or fluoro-containing plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87208091 CN87208091U (en) | 1987-05-14 | 1987-05-14 | Electrode chamber with baggy ion exchange membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87208091 CN87208091U (en) | 1987-05-14 | 1987-05-14 | Electrode chamber with baggy ion exchange membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87208091U true CN87208091U (en) | 1987-12-30 |
Family
ID=4823423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87208091 Withdrawn CN87208091U (en) | 1987-05-14 | 1987-05-14 | Electrode chamber with baggy ion exchange membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87208091U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851709A (en) * | 2012-09-24 | 2013-01-02 | 杭州百斯特塑焊设备有限公司 | High current density circulating flow anode diaphragm electrolyzer |
| CN113272476A (en) * | 2019-01-21 | 2021-08-17 | 迪诺拉永久电极股份有限公司 | Cell frame element, electrolytic cell and electrodialysis cell |
-
1987
- 1987-05-14 CN CN 87208091 patent/CN87208091U/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851709A (en) * | 2012-09-24 | 2013-01-02 | 杭州百斯特塑焊设备有限公司 | High current density circulating flow anode diaphragm electrolyzer |
| CN102851709B (en) * | 2012-09-24 | 2016-12-21 | 杭州贝德环保工程有限公司 | A kind of high current density recycle stream anode diaphragm electrolysis apparatus |
| CN113272476A (en) * | 2019-01-21 | 2021-08-17 | 迪诺拉永久电极股份有限公司 | Cell frame element, electrolytic cell and electrodialysis cell |
| KR20210106016A (en) * | 2019-01-21 | 2021-08-27 | 드 노라 페르멜렉 가부시키가이샤 | Chamber Frame Elements, Electrolysers and Electrodialysis Cells |
| US11365484B2 (en) | 2019-01-21 | 2022-06-21 | De Nora Permelec Ltd. | Chamber frame element, electrolyzer, and electrodialysis cell |
| EP3916130A4 (en) * | 2019-01-21 | 2022-12-07 | De Nora Permelec Ltd | Chamber frame element, electrolyzer, and electrodialysis cell |
| TWI822944B (en) * | 2019-01-21 | 2023-11-21 | 日商迪諾拉培爾梅烈克股份有限公司 | Chamber frame components, electrolytic cells and electrodialysis cells |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |