CN201377001Y - Ozone generator for membrane electrode electrolysis - Google Patents
Ozone generator for membrane electrode electrolysis Download PDFInfo
- Publication number
- CN201377001Y CN201377001Y CN200920019531U CN200920019531U CN201377001Y CN 201377001 Y CN201377001 Y CN 201377001Y CN 200920019531 U CN200920019531 U CN 200920019531U CN 200920019531 U CN200920019531 U CN 200920019531U CN 201377001 Y CN201377001 Y CN 201377001Y
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- China
- Prior art keywords
- framework
- ozone generator
- membrane electrode
- electrolysis ozone
- catalyst layer
- 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.)
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000012528 membrane Substances 0.000 title claims abstract description 49
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 33
- 239000003054 catalyst Substances 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000010276 construction Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000005253 cladding Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229920002313 fluoropolymer Polymers 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 25
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003483 aging Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- YADSGOSSYOOKMP-UHFFFAOYSA-N lead dioxide Inorganic materials O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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Abstract
The utility model discloses an ozone generator for membrane electrode electrolysis, which comprises a proton exchange membrane (2), an anodic catalyst layer (3), an anodic micro-porous plate (4), a deflector (5) and a cathode structure (1). The ozone generator is characterized in that the ozone generator is provided with a frame (6) in which a sealed tank (11) is arranged; a sealing device (7) is arranged in the sealed tank (11) in the frame; and the frame (6) is tightly fixed with the cathode structure (1) through screws (9) to enable the sealing device (7) to totally and tightly contact and be sealed with the proton exchange membrane (2), the anodic catalyst layer (3) and the frame (6). The ozone generator is simple in structure, low in cost, good in leak tightness and easy to realize industrial-scale production. The ozone generator is ensured to maintain good leak tightness after being used for a long time and can generate stable quantity of ozone. Therefore, the ozone generator is stable in performance.
Description
Technical field:
It is the membrane electrode electrolysis ozone generator of raw material with the pure water that the utility model relates to a kind of, belongs to the electrolysis ozone generator technical field.
Background technology:
At present, with the pure water be raw material electrolysis ozone generator multiple structure arranged, for example: the patent No. that the utility model people proposes to Patent Office of the People's Republic of China is that the utility model name of ZL200520113829.9 is called the utility model patent of " a kind of anode construction of electrolysis ozone generator ".Also have Chinese patent application 97122126.X, the utility model name is called the utility model patent of " electrolytic ozone generator ".
Said structure has following shortcoming:
1, ozone has extremely strong oxidation corrosion, in operational process, the tightness system of large volume directly contacts with ozone, because of the big easier oxidation corrosion that is subjected to ozone of surface-area, through after the long-play, it is aging to cause the tightness system physical property to take place, and sealing property descends, and then seal failure, make the leakage of the gas and the raw water of its generation.
2, adopt many places tightness system mode to seal, the complexity that not only increases cost or operating procedure is become, and all can't avoid fully being corroded by ozone oxidation with the ozone contact area is how tiny, and cause seal failure.
3, through after the long operation, the tightness system of silicon rubber material can't be resisted the oxidation corrosion of high-concentrated ozone, fast age hardening, follow the string, and cause seal failure.
4, after fastening, fastening force provides tightness system deformable seal and anode catalyst layer to compress needed two pressure of proton exchange membrane simultaneously, owing to make needed power of tightness system deformable seal and anode catalyst layer compress the needed power of proton exchange membrane and inequality, to cause that the opposing party's is stressed excessive or too small, sealing property or anode catalyst layer and proton exchange membrane snap-in force are affected, cause the membrane electrode electrolysis ozone generator unstable properties, and then the ozone generation amount descends.
5, after through operation, the attenuation gradually of the thickness of anode catalyst layer, and after the thickness attenuation, clam member can't continue the pressure that provides enough, also can't compensate the pressure that is lost because of after the thickness attenuation fast, directly make the anode construction of electrolysis ozone generator loose, anode catalyst layer and proton exchange membrane snap-in force deficiency descend the ozone generation amount of membrane electrode electrolysis ozone generator.
6, conventional cathode construction has negative electrode retaining plate, anticorrosion, framework, flow deflector, tightness system, anode micro porous plate, cathode catalyst layer etc., therefore, part is of a great variety, increases to produce and the assembling complexity, and then influence product reliability, cause production cost to improve.
The utility model content:
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of simple in structure, low, the favorable sealing property of cost, realize commercial scale production easily, guarantee that electrolysis ozone generator is through long-play, still can keep good stopping property, make electrolysis ozone generator produce stable ozone generation amount, and reach the membrane electrode electrolysis ozone generator of stable performance.
The utility model can reach by following measure: a kind of membrane electrode electrolysis ozone generator, it comprises proton exchange membrane, anode catalyst layer, anode micro porous plate, flow deflector, cathode construction, it is characterized in that it is provided with framework, establish the framework sealing groove in the framework, establish tightness system in the framework sealing groove, framework tightens together by screw and cathode construction and makes tightness system and the fully closely contact seal of proton exchange membrane, anode catalyst layer and framework.
In order further to realize the purpose of this utility model, described framework tightens together by screw and cathode construction and makes tightness system and the fully closely contact seal of proton exchange membrane, anode catalyst layer, anode micro porous plate and framework.
In order further to realize the purpose of this utility model, described framework tightens together by screw and cathode construction and makes tightness system and the fully closely contact seal of proton exchange membrane, anode catalyst layer, flow deflector and framework.
In order further to realize the purpose of this utility model, described framework tightens together by screw and cathode construction and makes tightness system and the fully closely contact seal of proton exchange membrane, anode catalyst layer, anode micro porous plate, flow deflector and framework.
In order to realize that further the purpose of this utility model, described tightness system are that fluoroplastics coat O type circle.
In order further to realize the purpose of this utility model, described framework sealing groove is a surface groove.
In order further to realize the purpose of this utility model, described framework is connected as a single entity by framework periphery, thin-walled body and conductive pole cladding and constitutes, conductive pole in the conductive pole cladding is provided with clam member, and clam member tightens together by screw and cathode construction.
In order further to realize the purpose of this utility model, described thin-walled body is camber, V-type or flush type.
In order further to realize the purpose of this utility model, described conductive pole edge is embedded in the conductive pole cladding.
In order further to realize the purpose of this utility model, described cathode construction is provided with the negative electrode retaining plate, the negative electrode retaining plate is provided with screw hole, water vent, the negative electrode retaining plate is provided with diversion trench, be communicated with by groove between the diversion trench, and be communicated with water vent, the negative electrode retaining plate is provided with the cathode micro porous plate, and the cathode micro porous plate is provided with cathode catalyst layer.
In order further to realize the purpose of this utility model, described diversion trench is an annular diversion trench.
In order to realize that further the purpose of this utility model, described negative electrode retaining plate adopt the metal titanium material to make.
Compared with the prior art the utility model has following positively effect:
1. because the utility model tightness system adopts fluoroplastics to coat O type circle, because of fluoroplastics are not subjected to the oxidation corrosion of ozone institute substantially, and complete tight coating at O type circle skin, after the long-time running of electrolysis ozone generator, still can keep good stopping property, with can not be because of its generation smelly
Carrier of oxygen oxidation corrosion, and cause tightness system to lose efficacy causes the gas and the leakage of raw water that produce, makes the stable ozone generation amount of membrane electrode electrolysis ozone generator generation, and reaches stable performance.
2. after framework fastens as one by machine riveting and cathode construction, the sealing groove of framework makes its localized crimp that formalizes with tightness system by the framework sealing groove, its surface groove will produce pressure around will making tightness system, tightness system is closely contacted with proton exchange membrane, anode catalyst layer, anode micro porous plate, flow deflector, framework, and then reach complete sealing function.
3. the utility model all tightens together by screw framework 6 and clam member 8 with machine riveting mode and cathode construction 1, and fastening force is conducted to conductive pole 13 by clam member 8, because inner ring is that straight cunning is suitable behind tightness system 7 stress deformations, fastening force will be by conductive pole 13 smoothly by flow deflector 5, anode micro porous plate 4, conduct to anode catalyst layer 3 and proton exchange membrane 2, required stable snap-in force is provided.In addition, because conductive pole 13 is stressed, add with flow deflector 5 and have tolerance clearance, its periphery certainly leads to distortion with the outside, produce distortion by thin-walled body 6-2, absorb this deflection, make the thin-walled body 6-2 outside not influenced by screw 10 and clam member, and then tightness system deflection and sealing property do not change, therefore; it is independent fully that the thin-walled body makes tightness system deformable seal and anode catalyst layer compress needed two different pressures of proton exchange membrane, the stable performance that keeps electrolysis ozone generator.
4. after through operation, the attenuation gradually of the thickness of anode catalyst layer, after the thickness attenuation, clam member in time will see through the thin-walled body by conductive pole with fastening force makes conductive pole to bottom offset, the pressure that quick and quick compensation anode catalyst layer is lost after because of the thickness attenuation, avoid anode catalyst layer and proton exchange membrane snap-in force deficiency, the ozone generation amount of membrane electrode electrolysis ozone generator is descended.
5. the negative electrode retaining plate of the utility model cathode construction is provided with screw hole, is used for the whole and cathode electrode that is connected direct supply of fastening membrane electrode ozonizer, with conventional negative electrode retaining plate identical function is arranged.Negative electrode retaining plate of the present utility model is provided with diversion trench, can hold raw water, and raw water and gaseous product convection current, diffusion in groove have conduction and refrigerating function, with conventional flow deflector identical function.Negative electrode retaining plate of the present utility model is provided with water vent, the water and the gaseous product of negative electrode can be discharged smoothly by water vent.Negative electrode retaining plate of the present utility model adopts the metal titanium material to make, and prevents its corrosion, without any need for rot-resistant material and rot-resistant treatment process.Therefore the negative electrode retaining plate has the function that fastening, water conservancy diversion, cooling, aqueous vapor are discharged, combine conventional negative electrode retaining plate, anticorrosion, all functions of framework, flow deflector, compare with the ozonizer of prior art, it is simple, easy to assembly to have preparation technology, and then reduces cost 20～30%.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the framework of Fig. 1;
Fig. 3 is the structural representation of the cathode construction of Fig. 1;
Fig. 4 is the structural representation of the negative electrode retaining plate of Fig. 3.
Embodiment:
Embodiment: membrane electrode electrolysis ozone generator is (referring to Fig. 1-Fig. 4), its cathode construction 1 is provided with negative electrode retaining plate 1-5, negative electrode retaining plate 1-5 adopts the metal titanium material to make, the periphery of negative electrode retaining plate 1-5 evenly is provided with screw hole 1-1, negative electrode retaining plate 1-5 is provided with annular diversion trench 1-2, the middle part of annular diversion trench 1-2 is provided with lateral trench 1-4, communicates by groove 1-4 between the annular diversion trench 1-2, and is communicated with water vent 1-3.Put cathode micro porous plate 1-7 on the negative electrode retaining plate 1-5, cathode micro porous plate 1-7 puts cathode catalyst layer 1-8, and its bed thickness is put proton exchange membrane 2 (Nafion117 of Du Pont) at 0.1～5mm on the cathode catalyst layer 1-8.Put anode catalyst layer 3 at the another side that proton exchange membrane 2 is relative with the electrolysis ozone generator cathode construction, its bed thickness is at 0.1～5mm, and anode catalyst layer 3 is the rete of plumbic oxide material making.Its production method can be that the anode catalyst particle freely is laid on the proton exchange membrane 2; then anode micro porous plate 4 (the treated anti-corrosion protective layer of conduction that is provided with in anode micro porous plate surface) is covered on anode catalyst layer 3; this anode micro porous plate 4 is a POROUS TITANIUM PLATE; the aperture of anode micro porous plate 4 is 10～500 μ m; flow deflector 5 is pressed on the anode micro porous plate 4; the one side of flow deflector 5 closely contacts with anode micro porous plate 4; is that fluoroplastics coat O RunddichtringO with flow deflector 5, anode micro porous plate 4 and anode catalyst layer 3 all bandings around, tightness system with tightness system 7.Again framework 6 is placed tightness system 7 tops, be provided with framework sealing groove 11 in the framework 6, framework sealing groove 11 is a surface groove, tightness system 7 places in the framework sealing groove 11, framework 6 is tightened together by the negative electrode retaining plate 1-5 of screw 9 with machine riveting mode and cathode construction 1, tightness system 7 makes its localized crimp that formalizes by framework sealing groove 11, reach with proton exchange membrane 2, anode catalyst layer 3, anode micro porous plate 4, flow deflector 5, framework 6 and closely contact, and then reach sealing fully.Framework 6 is connected as a single entity by framework peripheral 6-3, thin-walled body 6-2 and conductive pole cladding 6-1 and constitutes; thin-walled body 6-2 is located between peripheral 6-3 of framework and the conductive pole cladding 6-1; the center of conductive pole cladding 6-1 is inlaid with conductive pole 13, and thin-walled body 6-2 can be the isoelastic or telescopic structure of camber, V-type or flush type.Clam member 8 is placed on the conductive pole 13, clam member 8 is tightened together by the negative electrode retaining plate 1-5 of screw 10 with machine riveting mode and cathode construction 1, by clam member 8 fastening force is conducted to framework 6 centers, produce distortion by thin-walled body 6-2, make its tightness system 7 not be subjected to the influence of screw 10 fastening clam members 8, cause sealing property to change.
The life-span of the membrane electrode electrolysis ozone generator of this structure was longer than 10000 hours.
Claims (12)
1, membrane electrode electrolysis ozone generator, it comprises proton exchange membrane (2), anode catalyst layer (3), anode micro porous plate (4), flow deflector (5), cathode construction (1), it is characterized in that it is provided with framework (6), establish framework sealing groove (11) in the framework (6), establish tightness system (7) in the framework sealing groove (11), framework (6) tightens together by screw (9) and cathode construction (1) and makes tightness system (7) and the fully closely contact seal of proton exchange membrane (2), anode catalyst layer (3) and framework (6).
2,, it is characterized in that described framework (6) tightens together by screw (9) and cathode construction (1) to make tightness system (7) and the fully closely contact seal of proton exchange membrane (2), anode catalyst layer (3), anode micro porous plate (4) and framework (6) according to the described membrane electrode electrolysis ozone generator of claim 1.
3,, it is characterized in that described framework (6) tightens together by screw (9) and cathode construction (1) to make tightness system (7) and the fully closely contact seal of proton exchange membrane (2), anode catalyst layer (3), flow deflector (5) and framework (6) according to the described membrane electrode electrolysis ozone generator of claim 1.
4,, it is characterized in that described framework (6) tightens together by screw (9) and cathode construction (1) to make tightness system (7) and the fully closely contact seal of proton exchange membrane (2), anode catalyst layer (3), anode micro porous plate (4), flow deflector (5) and framework (6) according to the described membrane electrode electrolysis ozone generator of claim 1.
5,, it is characterized in that described tightness system (7) is that fluoroplastics coat O type circle according to claim 1 or 2 or 3 or 4 described membrane electrode electrolysis ozone generators.
6,, it is characterized in that described framework sealing groove (11) is a surface groove according to the described membrane electrode electrolysis ozone generator of claim 1.
7, according to the described membrane electrode electrolysis ozone generator of claim 1, it is characterized in that described framework (6) is by framework periphery (6-3), thin-walled body (6-2) and conductive pole cladding (6-1) formation that is connected as a single entity, conductive pole (13) in the conductive pole cladding (6-1) is provided with clam member (8), and clam member (8) tightens together by screw (10) and cathode construction (1).
8,, it is characterized in that described thin-walled body (6-2) is camber, V-type or flush type according to the described membrane electrode electrolysis ozone generator of claim 7.
9,, it is characterized in that described conductive pole (13) edge is embedded in the conductive pole cladding (6-1) according to the described membrane electrode electrolysis ozone generator of claim 7.
10, according to the described membrane electrode electrolysis ozone generator of claim 1, it is characterized in that described cathode construction (1) is provided with negative electrode retaining plate (1-5), negative electrode retaining plate (1-5) is provided with screw hole (1-1), water vent (1-3), negative electrode retaining plate (1-5) is provided with diversion trench (1-2), be communicated with by groove (1-4) between the diversion trench (1-2), and be communicated with water vent (1-3), negative electrode retaining plate (1-5) is provided with cathode micro porous plate (1-6), and cathode micro porous plate (1-6) is provided with cathode catalyst layer (1-7).
11,, it is characterized in that described diversion trench (1-2) is an annular diversion trench according to the cathode construction of the described membrane electrode electrolysis ozone generator of claim 8.
12,, it is characterized in that described negative electrode retaining plate (1-5) adopts the metal titanium material to make according to the cathode construction of the described membrane electrode electrolysis ozone generator of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920019531U CN201377001Y (en) | 2009-02-11 | 2009-02-11 | Ozone generator for membrane electrode electrolysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920019531U CN201377001Y (en) | 2009-02-11 | 2009-02-11 | Ozone generator for membrane electrode electrolysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201377001Y true CN201377001Y (en) | 2010-01-06 |
Family
ID=41517106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920019531U Expired - Fee Related CN201377001Y (en) | 2009-02-11 | 2009-02-11 | Ozone generator for membrane electrode electrolysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201377001Y (en) |
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2009
- 2009-02-11 CN CN200920019531U patent/CN201377001Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100106 Termination date: 20120211 |