CN102851692A - Diaphragm of electrolytic cell - Google Patents
Diaphragm of electrolytic cell Download PDFInfo
- Publication number
- CN102851692A CN102851692A CN2011101794283A CN201110179428A CN102851692A CN 102851692 A CN102851692 A CN 102851692A CN 2011101794283 A CN2011101794283 A CN 2011101794283A CN 201110179428 A CN201110179428 A CN 201110179428A CN 102851692 A CN102851692 A CN 102851692A
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- CN
- China
- Prior art keywords
- diaphragm
- electrolytic cell
- layer
- asbestos layer
- present
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- 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.)
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
A diaphragm of an electrolytic cell comprises a diaphragm body being an asbestos layer; and reinforcing layers being resin layers disposed on the front and rear surfaces of the asbestos layer, the sum of the widths of the front and the rear reinforcing layers being greater than the width of the diaphragm body. Since the reinforcing layers are disposed on the front and rear surfaces of the asbestos layer, hydroxide precipitate is not prone to be generated in the diaphragm to cause the reduction of permeability; the diaphragm will not expand or loose even in case of high temperature and under the action of electrolyte, so the stability and the mechanical strength are improved remarkably.
Description
Technical field
The present invention relates to the electrolyzer of a kind of water electrolysis hydrogen making and oxygen, particularly a kind of diaphragm for electrolytic cell belongs to electrolyzer component technology field.
Background technology
For preventing that yin, yang the two poles of the earth product from mixing, avoid contingent adverse reaction, in electrolyzer, as shown in Figure 1, basically all use barrier film 3 that anolyte compartment 1 and cathode compartment 2 are separated.During brine electrolysis, anolyte compartment 1 is identical with the electrolytic solution of cathode compartment 2, and 3 need of the barrier film of electrolyzer separate anolyte compartment 1 and cathode compartment 2, with assurance hydrogen, oxygen purity, and prevents the blast of hydrogen-oxygen mixed occurrence.The situation of more common more complicated is that the electrolytic solution of electrolyzer Anodic chamber 1 and cathode compartment 2 forms different.At this moment barrier film 3 also needs to stop mutually mutual diffusion and the effect of electrolysate in anolyte compartment 1 and cathode compartment 2 electrolytic solution, can increase the resistance of the diffusion of cathode compartment hydroxide ion anode chamber and migration.General barrier film is made by asbestos, but this membrane properties is unstable, when containing calcium, magnesium addition in the salt solution, generates easily precipitation of hydroxide in barrier film, reduces transmitance; In higher temperature with under the electrolytic solution effect, also can expand, get loose.
Summary of the invention
Technical problem for above-mentioned existence the objective of the invention is: proposed the high diaphragm for electrolytic cell of a kind of good stability and physical strength.
Technical solution of the present invention is achieved in that a kind of diaphragm for electrolytic cell, comprises septum body; Described septum body is asbestos layer; Described asbestos layer pros and cons is provided with enhancement layer.
Preferably, described enhancement layer is resin layer.
Preferably, the width sum of described positive and negative enhancement layer is greater than the septum body width.
Because the utilization of technique scheme, the present invention compared with prior art has following advantages:
Diaphragm for electrolytic cell of the present invention because the asbestos layer pros and cons is provided with enhancement layer, is not easy to generate precipitation of hydroxide in barrier film, thereby causes the reduction of transmitance; Even in higher temperature with under the electrolytic solution effect, the phenomenon that barrier film also can expand, get loose, stability and physical strength have all improved obvious improvement.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Accompanying drawing l is the vertical view of the electrolyzer of prior art;
Accompanying drawing 2 is the structural representation of diaphragm for electrolytic cell of the present invention;
Wherein: 1, anolyte compartment; 2, cathode compartment; 3, barrier film; 4, finish coat; 5, enhancement layer.
Embodiment
Below in conjunction with accompanying drawing the present invention is described.
Of the present invention a kind of diaphragm for electrolytic cell as shown in Figure 2 comprises septum body 3; Described septum body 3 is asbestos layer 4; Described asbestos layer 4 pros and cons are provided with enhancement layer 5; Described enhancement layer 5 is resin layer; The width sum of described positive and negative enhancement layer 5 is greater than septum body 3 width.
Because the utilization of technique scheme, the present invention compared with prior art has following advantages:
Diaphragm for electrolytic cell of the present invention because the asbestos layer pros and cons is provided with enhancement layer, is not easy to generate precipitation of hydroxide in barrier film, thereby causes the reduction of transmitance; Even in higher temperature with under the electrolytic solution effect, the phenomenon that barrier film also can expand, get loose, stability and physical strength have all improved obvious improvement.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage that is familiar with technique can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (3)
1. a diaphragm for electrolytic cell comprises septum body; Described septum body is asbestos layer; It is characterized in that: described asbestos layer pros and cons is provided with enhancement layer.
2. diaphragm for electrolytic cell according to claim 1, it is characterized in that: described enhancement layer is resin layer.
3. diaphragm for electrolytic cell according to claim 1, it is characterized in that: the width sum of described positive and negative enhancement layer is greater than the septum body width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101794283A CN102851692A (en) | 2011-06-30 | 2011-06-30 | Diaphragm of electrolytic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101794283A CN102851692A (en) | 2011-06-30 | 2011-06-30 | Diaphragm of electrolytic cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102851692A true CN102851692A (en) | 2013-01-02 |
Family
ID=47398654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101794283A Pending CN102851692A (en) | 2011-06-30 | 2011-06-30 | Diaphragm of electrolytic cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102851692A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668316A (en) * | 2013-07-02 | 2014-03-26 | 苏州天华有色金属制品有限公司 | Diaphragm for electrolytic tank |
| CN103865602A (en) * | 2014-03-25 | 2014-06-18 | 胡明成 | Wet-process ferric salt membrane-electrolysis regenerated biogas desulfurization method and device thereof |
-
2011
- 2011-06-30 CN CN2011101794283A patent/CN102851692A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668316A (en) * | 2013-07-02 | 2014-03-26 | 苏州天华有色金属制品有限公司 | Diaphragm for electrolytic tank |
| CN103865602A (en) * | 2014-03-25 | 2014-06-18 | 胡明成 | Wet-process ferric salt membrane-electrolysis regenerated biogas desulfurization method and device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130102 |