CN203750411U - Microbial air purification device - Google Patents
Microbial air purification device Download PDFInfo
- Publication number
- CN203750411U CN203750411U CN201420153842.6U CN201420153842U CN203750411U CN 203750411 U CN203750411 U CN 203750411U CN 201420153842 U CN201420153842 U CN 201420153842U CN 203750411 U CN203750411 U CN 203750411U
- Authority
- CN
- China
- Prior art keywords
- air
- microbial
- formaldehyde
- inlet channel
- main body
- 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.)
- Expired - Lifetime
Links
- 230000000813 microbial effect Effects 0.000 title claims abstract description 28
- 238000004887 air purification Methods 0.000 title abstract 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000002245 particle Substances 0.000 claims abstract description 9
- 239000000919 ceramic Substances 0.000 claims abstract description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 18
- 229910052791 calcium Inorganic materials 0.000 claims description 18
- 239000011575 calcium Substances 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 15
- 241001464837 Viridiplantae Species 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 235000010410 calcium alginate Nutrition 0.000 abstract 1
- 229960002681 calcium alginate Drugs 0.000 abstract 1
- 239000000648 calcium alginate Substances 0.000 abstract 1
- OKHHGHGGPDJQHR-YMOPUZKJSA-L calcium;(2s,3s,4s,5s,6r)-6-[(2r,3s,4r,5s,6r)-2-carboxy-6-[(2r,3s,4r,5s,6r)-2-carboxylato-4,5,6-trihydroxyoxan-3-yl]oxy-4,5-dihydroxyoxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylate Chemical compound [Ca+2].O[C@@H]1[C@H](O)[C@H](O)O[C@@H](C([O-])=O)[C@H]1O[C@H]1[C@@H](O)[C@@H](O)[C@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@H](O2)C([O-])=O)O)[C@H](C(O)=O)O1 OKHHGHGGPDJQHR-YMOPUZKJSA-L 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 1
- 244000005700 microbiome Species 0.000 description 7
- 241000589516 Pseudomonas Species 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 2
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- 229940072056 alginate Drugs 0.000 description 2
- 235000010443 alginic acid Nutrition 0.000 description 2
- 229920000615 alginic acid Polymers 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229920002866 paraformaldehyde Polymers 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 235000010413 sodium alginate Nutrition 0.000 description 2
- 239000000661 sodium alginate Substances 0.000 description 2
- 229940005550 sodium alginate Drugs 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 229920000985 (beta-D-Mannuronate)n Polymers 0.000 description 1
- 102100039702 Alcohol dehydrogenase class-3 Human genes 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- AEMOLEFTQBMNLQ-BZINKQHNSA-N D-Guluronic Acid Chemical compound OC1O[C@H](C(O)=O)[C@H](O)[C@@H](O)[C@H]1O AEMOLEFTQBMNLQ-BZINKQHNSA-N 0.000 description 1
- AEMOLEFTQBMNLQ-VANFPWTGSA-N D-mannopyranuronic acid Chemical compound OC1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@@H]1O AEMOLEFTQBMNLQ-VANFPWTGSA-N 0.000 description 1
- IAJILQKETJEXLJ-UHFFFAOYSA-N Galacturonsaeure Natural products O=CC(O)C(O)C(O)C(O)C(O)=O IAJILQKETJEXLJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AEMOLEFTQBMNLQ-UHFFFAOYSA-N beta-D-galactopyranuronic acid Natural products OC1OC(C(O)=O)C(O)C(O)C1O AEMOLEFTQBMNLQ-UHFFFAOYSA-N 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- -1 cationic polysaccharide Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 108010051015 glutathione-independent formaldehyde dehydrogenase Proteins 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 125000005613 guluronic acid group Chemical group 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 208000032839 leukemia Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a microbial air purification device. The technical scheme is that a water tank is arranged on the bottom of a main body; an air inlet channel is formed in the main body and is communicated with an air distributor; a partition plate, a ceramic particle layer and a calcium alginate-activated carbon-microbial particle layer are arranged at the upper end of the air distributor in sequence. The microbial air purification device can effectively purify formaldehyde in air by utilizing a microbial technology.
Description
Technical field
The utility model relates to a kind of air cleaning unit, is specifically related to a kind of purify air microbial air purifier of middle formaldehyde of microbial technique that utilizes.
Background technology
Along with the fast development of Chinese society economy, town dweller's living conditions have obtained very large improvement.Along with growth in the living standard, the improvement of living environment, people have also brought many negative effects in a large amount of use building materials decorating houses, due to misapplications such as a large amount of ornament materials, paint and timber, cause formaldehyde and other VOCs (VOCs) concentration severe overweight in room air, become the major pollutants in indoor decoration pollution, serious harm health, especially the incidence of disease of leukemia is tending towards becoming younger just gradually, and this is all because the consequence that room air pollution causes.The release value of national standard PARA FORMALDEHYDE PRILLS(91,95) requires lower than 0.08mg/m
3, and the formaldehyde release value in the house much just having come into operation has reached 0.2 mg/m
3.Therefore, the pernicious gas in how effectively purifying air, is the vital task that maintains environment and to protect mankind health.
Air purifier is in the market varied, be broadly divided into ionic formula air purifier, electrostatic air cleaner, mechanical air clarifier and chemisorbed formula air purifier according to principle, the power consumption of these clarifiers itself does not also meet ecological energy-saving and the viewpoint of ecological, environmental protective, remove formaldehyde efficiency low, and in purification process, bring the secondary pollutions such as ozone, be worth especially the place of people's worry.
Summary of the invention
In order to overcome the above problems, the purpose of this utility model is to provide a kind ofly utilizes microbial technique and the microbial air purifier of middle formaldehyde of can effectively purifying air.
The technical solution adopted in the utility model is: microbial air purifier, the bottom of main body is tank, main body is provided with inlet channel, and inlet channel is communicated with air distributor, and air distributor upper end is followed successively by dividing plate, ceramic particle layer and calcium alginate-active carbon-microbe granular layer.
Above-mentioned microbial air purifier, is provided with air pump, flowmeter I, flowmeter II, formaldehyde generator, gas buffer tank, intake valve, spray equipment, circulating pump and circulatory pool; Air pump imports air in gas buffer tank through flowmeter I, formaldehyde generator imports inner formaldehyde gas in gas buffer tank through flowmeter II, the outlet of gas buffer tank is connected with inlet channel through intake valve, spray equipment is located at the upper end of calcium alginate-active carbon-microbe granular layer in main body, and spray equipment is connected with circulatory pool through circulating pump.
Above-mentioned microbial air purifier, is provided with induced-draught fan and green plants; Induced-draught fan is arranged on inlet channel porch, and green plants is planted in calcium alginate-active carbon-microbe granular layer.
Microorganism in calcium alginate-active carbon-microbe granular layer of the utility model application is pseudomonas kind, and pseudomonas kind body contains formaldehyde dehydrogenase and formaldehyde mutase can effectively decompose by PARA FORMALDEHYDE PRILLS(91,95), produces the end-product of water and carbon dioxide.In addition, pseudomonas has degradation quite efficiently equally to indoor pollutants such as benzene,toluene,xylenes.Therefore select the material of pseudomonas as microorganism absorption degradation and air cleaning.Alginate is the polysaccharide that a class extracts from the cell membrane of brown alga, it is the linear polymer being polymerized by mannuronic acid and guluronic acid, and whole macromolecular chain is to be arranged and formed by the homopolymerization district of the equal polymannuronate residue of guluronic acid residues and two kinds of uronic acid residue Za Ju district three parts.Alginate except with multivalent metal cation generation gel, can also form ionomer with cationic polysaccharide or polyelectrolyte.In the time having added NACF wherein, form alginate-active carbon, its intensity will improve greatly, provide necessary basic condition for continous-stable carries out air cleaning effectively.The making of calcium alginate-active carbon-microbe granular is: using sodium alginate as embedding medium, calcium chloride solution is as crosslinking agent, the NACF that is 1% by mass fraction is mixed with into embedding medium with 20 ml containing the sodium alginate soln of 4% (mass fraction), get a certain amount of dominant bacteria liquid (pseudomonas kind) in exponential phase, after centrifugal weighing, mix with embedding medium.Adopt peristaltic pump, above-mentioned mixed solution is pumped into the CaCl containing 4% (mass fraction)
2in crosslinker solution, solidify balling-up, make calcium alginate-active carbon-microbe granular.
The beneficial effects of the utility model are: the particle that 1. the utility model is made calcium alginate-active carbon fixation of microbe is for air purifier, utilize degradability and the easy capacity of decomposition of microorganism self, formaldehyde in room air is converted into biological granule, is further absorbed by microorganism thereby can be used as carbon source.In purifying air, reduce again the impact of cleanser on environment itself, finally reach the object purifying the air of a room.2. the utility model not only can carry out decomposition and inversion by the formaldehyde in room air, can also remove airborne bacterium simultaneously.3. adopt biotechnology, draw materials environment friendly and pollution-free, and after forming large-scale production chain, cost is very low.4. little for the consumption of electric energy homenergic in running.5. in the process of purifying air, can not produce the secondary pollutions such as ozone.6. mainly for pernicious gas---the formaldehyde producing after indoor or working environment finishing, with strong points, removal efficiency is high.7. required packing layer replacement cost is low.
Brief description of the drawings
Fig. 1 is the structural representation of microbial air purifier.
Fig. 2 is the microbial air purifier of acclimated microorganism.
Fig. 3 is for indoor microbial air purifier.
Detailed description of the invention
embodiment 1 microbial air purifier
As shown in Figure 1, microbial air purifier, the bottom of main body (1) is tank (3), in main body (1), be provided with inlet channel (2), inlet channel (2) is communicated with air distributor (4), and air distributor (4) upper end is followed successively by dividing plate (5), ceramic particle layer (6) and calcium alginate-active carbon-microbe granular layer (7).
the device of embodiment 2 acclimated microorganisms
As shown in Figure 2, microbial acclimation device, is made up of the microbial air purifier of embodiment 1 and formaldehyde generation systems and spray system.
Described microbial air purifier is: the bottom of main body (1) is tank (3), main body (1) is provided with inlet channel (2), inlet channel (2) is communicated with air distributor (4), and air distributor (4) upper end is followed successively by dividing plate (5), ceramic particle layer (6) and calcium alginate-active carbon-microbe granular layer (7).
Described formaldehyde generation systems is: be made up of air pump (8), flowmeter I (9), flowmeter II (10), formaldehyde generator (11), gas buffer tank (12) and intake valve (13).Air pump (8) imports air in gas buffer tank (12) through flowmeter I (9), formaldehyde generator (11) imports inner formaldehyde gas in gas buffer tank (12) through flowmeter II (10), and the outlet of gas buffer tank (12) is connected with inlet channel (2) through intake valve (13).
Described spray system is: be made up of spray equipment (14), circulating pump (15) and circulatory pool (16).Spray equipment (14) is located at the upper end of main body (1) interior calcium alginate-active carbon-microbe granular layer (7), and spray equipment (14) is connected with circulatory pool (16) through circulating pump (15).
Adopt device of the present utility model, by the formaldehyde gas of artificial input higher concentration, to the microorganism in calcium alginate-active carbon-microbe granular layer namely pseudomonas kind tame, it is only adapted to using formaldehyde as unique carbon source existence and breeding.And top spray equipment used is for pulsation spray form sprays, in the time that concentration of formaldehyde is low, provide humidity, to form moisture film at particle surface, increase mass transfer ability.Calcium alginate-active carbon-microbe granular after preparation domestication that can be a large amount of by this device.The one,, after formaldehyde generation systems and spray system are withdrawn, microbial air purifier directly can be placed in to the house after finishing, be used for purifying air, the 2nd,, also calcium alginate-active carbon-the microbe granular of preparation in a large number can be divided into some parts, make several small-sized microbial air purifiers.
embodiment 3 bonsai type microbial air purifiers
As shown in Figure 3, bonsai type microbial air purifier, the bottom of main body (1) is tank (3), main body (1) is provided with inlet channel (2), inlet channel (2) is communicated with air distributor (4), and air distributor (4) upper end is followed successively by dividing plate (5), ceramic particle layer (6) and calcium alginate-active carbon-microbe granular layer (7).
Induced-draught fan (17) is arranged on inlet channel (2) porch, and green plants (18) is planted in calcium alginate-active carbon-microbe granular layer (7).
Use in order to be more suitable for family, make bonsai type microbial air purifier of the present utility model.Above whole air purifier, plantation is suitable for the green plants at indoor growing, in purifying air, for plant supplies nutrients.
Claims (3)
1. microbial air purifier, it is characterized in that: the bottom of main body (1) is tank (3), in main body (1), be provided with inlet channel (2), inlet channel (2) is communicated with air distributor (4), and air distributor (4) upper end is followed successively by dividing plate (5), ceramic particle layer (6) and calcium alginate-active carbon-microbe granular layer (7).
2. microbial air purifier as claimed in claim 1, is characterized in that: be provided with air pump (8), flowmeter I (9), flowmeter II (10), formaldehyde generator (11), gas buffer tank (12), intake valve (13), spray equipment (14), circulating pump (15) and circulatory pool (16); Air pump (8) imports air in gas buffer tank (12) through flowmeter I (9), formaldehyde generator (11) imports inner formaldehyde gas in gas buffer tank (12) through flowmeter II (10), the outlet of gas buffer tank (12) is connected with inlet channel (2) through intake valve (13), spray equipment (14) is located at the upper end of main body (1) interior calcium alginate-active carbon-microbe granular layer (7), and spray equipment (14) is connected with circulatory pool (16) through circulating pump (15).
3. microbial air purifier as claimed in claim 1, is characterized in that: be provided with induced-draught fan (17) and green plants (18); Induced-draught fan (17) is arranged on inlet channel (2) porch, and green plants (18) is planted in calcium alginate-active carbon-microbe granular layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153842.6U CN203750411U (en) | 2014-04-01 | 2014-04-01 | Microbial air purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153842.6U CN203750411U (en) | 2014-04-01 | 2014-04-01 | Microbial air purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203750411U true CN203750411U (en) | 2014-08-06 |
Family
ID=51245721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420153842.6U Expired - Lifetime CN203750411U (en) | 2014-04-01 | 2014-04-01 | Microbial air purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203750411U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214845A (en) * | 2014-09-15 | 2014-12-17 | 宋昊 | Microalgae oxygen bar-mediated air purification device |
| CN104437007A (en) * | 2014-11-03 | 2015-03-25 | 中国科学院城市环境研究所 | Formaldehyde scavenging air purifier |
| CN106378278A (en) * | 2016-11-15 | 2017-02-08 | 笪亚臣 | Special non-pollution dry waiting room for furniture |
| CN107883483A (en) * | 2017-11-10 | 2018-04-06 | 安徽金思源生物科技有限公司 | Biotechnological air purification device |
| CN108507053A (en) * | 2018-04-08 | 2018-09-07 | 青岛理工大学 | Indoor air purification device |
| WO2020258924A1 (en) * | 2019-06-27 | 2020-12-30 | 青岛理工大学 | Device for formaldehyde degradation and method for formaldehyde degradation |
-
2014
- 2014-04-01 CN CN201420153842.6U patent/CN203750411U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214845A (en) * | 2014-09-15 | 2014-12-17 | 宋昊 | Microalgae oxygen bar-mediated air purification device |
| CN104437007A (en) * | 2014-11-03 | 2015-03-25 | 中国科学院城市环境研究所 | Formaldehyde scavenging air purifier |
| CN104437007B (en) * | 2014-11-03 | 2020-08-04 | 中国科学院城市环境研究所 | Remove formaldehyde air purifier |
| CN106378278A (en) * | 2016-11-15 | 2017-02-08 | 笪亚臣 | Special non-pollution dry waiting room for furniture |
| CN106378278B (en) * | 2016-11-15 | 2018-09-11 | 笪亚臣 | A kind of furniture Special pollution-free waits for stove room |
| CN107883483A (en) * | 2017-11-10 | 2018-04-06 | 安徽金思源生物科技有限公司 | Biotechnological air purification device |
| CN108507053A (en) * | 2018-04-08 | 2018-09-07 | 青岛理工大学 | Indoor air purification device |
| WO2020258924A1 (en) * | 2019-06-27 | 2020-12-30 | 青岛理工大学 | Device for formaldehyde degradation and method for formaldehyde degradation |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
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| CX01 | Expiry of patent term |