CN205380136U - Soil electric power prosthetic devices based on rotary electrode - Google Patents
Soil electric power prosthetic devices based on rotary electrode Download PDFInfo
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- CN205380136U CN205380136U CN201521033909.3U CN201521033909U CN205380136U CN 205380136 U CN205380136 U CN 205380136U CN 201521033909 U CN201521033909 U CN 201521033909U CN 205380136 U CN205380136 U CN 205380136U
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- electrode
- soil
- groove
- rectangular flat
- soil remediation
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- 239000002689 soil Substances 0.000 title claims abstract description 85
- 239000000654 additive Substances 0.000 claims abstract description 19
- 230000000996 additive effect Effects 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 230000009466 transformation Effects 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000005067 remediation Methods 0.000 claims description 32
- 238000009393 electroremediation Methods 0.000 claims description 14
- 239000000126 substance Substances 0.000 abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 3
- 239000001569 carbon dioxide Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 4
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- CKAPSXZOOQJIBF-UHFFFAOYSA-N hexachlorobenzene Chemical compound ClC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl CKAPSXZOOQJIBF-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229960002415 trichloroethylene Drugs 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to a soil repairing technical field especially relates to soil electric power prosthetic devices based on rotary electrode, groove, current transformation controller, electrode conversion controller, additive holding vessel and electrode liquid blending tank are restoreed to soil including having rotary electrode, rotary electrode includes a number zero cylindrical electrode and six rectangle flat electrode, number zero cylindrical electrode sets up the intermediate position in groove is restoreed to soil, and six rectangle flat electrode set up respectively around the soil restoration groove, what the groove was restoreed to soil is equipped with the electrode pond in ring week, electrode pond ring week is equipped with the electrode liquid collecting vat rather than the intercommunication, electrode liquid blending tank through mix the liquid delivery pump with the groove intercommunication is restoreed to soil, the additive holding vessel pass through the additive delivery pump with the groove intercommunication is restoreed to soil. This device does not produce secondary pollution, can be micro molecule innocuous substances such as water and carbon dioxide with the thorough oxidation and decomposition of the organic pollutant in the soil.
Description
Technical field
This utility model relates to soil organic pollutant and processes device technique field, particularly relates to a kind of soil Electroremediation device based on rotation electrode.
Background technology
In the last few years, Soil Environmental Pollution problem is more and more prominent, particularly organic pollution in soil, and pesticide, the chemical enterprise place organic pollution of soil discard at some, moved are especially serious, the orthobiosis having had a strong impact on people having.Meanwhile, persistence organic pollutant (POPs) has low aqueous solubility, fat-solubility, half volatile and refractory organics, can hold the long period and stay in surrounding medium, and across interfacial migration between surrounding medium, thus pollution range is big, the persistent period is long.Therefore, organic pollution of soil is also increasingly paid close attention to and payes attention to by people.
The Treatment process of current soil organic contamination mainly has elution method, phytoremediation, microorganism remediation method, chemical extraction, chemical oxidation, thermal desorption, curing/stabilizing, glass solidification, electric power and United Technologies thereof etc..In extracting industry and soil water desorption in oils before Electroremediation, application is relatively early, the attention of people is increasingly obtained as a kind of green recovery technique research in soil remediation, by ongoing many Electroremediation engineering mimoir and practice, it is shown that good application prospect.Electrokinetics is applicable to the reparation of hypotonicity soil, and the organic removal effect that major part inorganic pollution, radioactive substance and adsorptivity is stronger is all good.Existing abundant experimental results proves that Electroremediation technology has high efficiency at present, the metal ion related to includes chromium, lead, zinc, manganese, copper, nickel etc., Organic substance includes phenol, ethanol, Perchlorobenzene, trichloro ethylene and some petroleum hydrocarbons etc., and the highest removal efficiency is up to more than 90%.
In prior art, owing to the polarity of the electrode of Electroremediation is usually fixing, in repair process, near electrode, easily there is the phenomenon of meta-acid or meta-alkali in soil, and there is the problems such as soil treatment dead angle, causes that the treatment effect of organic pollution is poor.
Utility model content
Main purpose of the present utility model is in that to overcome the deficiency of above-mentioned technology, and provides a kind of soil Electroremediation device based on rotation electrode, solves the problem at soil meta-acid or meta-alkali and soil treatment dead angle near electrode occur.
This utility model is for achieving the above object, by the following technical solutions: a kind of soil Electroremediation device based on rotation electrode, it is characterised in that: include with the soil remediation groove of rotation electrode, current transformation controller, electrode transform controller, additive holding vessel and electrode solution blending tank；
Described rotation electrode includes No. zero columnar electrode and six rectangular flat electrodes, and described No. zero columnar electrode is arranged on the centre position of described soil remediation groove, and six rectangular flat electrodes are that regular hexagon structure is separately positioned on around described soil remediation groove；The ring week of described soil remediation groove is provided with electrode cell, described electrode cell ring week is provided with the electrode solution collecting tank communicated therewith, described electrode solution collecting tank is connected with described electrode solution blending tank by electrode solution collecting pump, and described electrode solution blending tank is connected with described soil remediation groove by mixed liquor delivery pump；Described additive holding vessel is connected with described soil remediation groove by additive delivery pump；
Described electrode transform controller is connected with No. zero columnar electrode and six rectangular flat electrodes respectively, for controlling conversion and the working time of No. zero columnar electrode and six rectangular flat polarities of electrode, and ensure that electrode is according to setting reverse and taking turns to operate in order；
Described current transformation controller is connected with described electrode transform controller, for alternating current is converted to unidirectional current.
Preferably, being provided with electrode solution agitator in described electrode solution blending tank, described additive storage tank is provided with agitator.
Preferably, described soil remediation groove top is provided with sample tap.
Beneficial effect: 1, this device does not produce secondary pollution, can be decomposed into the little molecule innocuous substance such as water and carbon dioxide by the organic pollution exhaustive oxidation in soil.
2, electrical propulsion unit adopts the form of rotation electrode, electrode position is fixed, the electric current No. zero columnar electrode i.e. No. zero electrode rotary around center is controlled by electrode transform controller, the polarity of periodically-varied central electrode and surrounding electrode simultaneously, avoid and occur that soil pH is too high or too low at center or surrounding, the pH's of guarantee soil is relatively stable, is possible to prevent electrode polarization phenomena occur simultaneously, improves the life-span of electrode.It addition, because the electrode of surrounding is uniformly distributed, there is central electrode at center, it is therefore prevented that process soil remediation groove in soil and the phenomenon at dead angle occurs, make the organic pollution of soil remediation groove each several part fully be removed.
3, the conversion of electrode and working time are controlled by electrode transform controller, it is possible to device realizes Automated condtrol, runs more stable.
4, this device is oxidized to the little molecule innocuous substance such as carbon dioxide, water the organic pollution in soil, will not produce secondary pollution,.
5, this device divides quinquepartite, Part I is rotation electrode and soil remediation groove, and Part II is electrode transform controller, and Part III is additive adding equipment part, Part IV is that electrode solution is collected and recycle unit part, and Part V is current transformation controller.This five part both can be integrated in mobile process in device, it is also possible to being disposed in the outdoor by soil remediation groove, other are partially integrated in control room, so both can process device as mobile, it is also possible to as fixing process device, have very big motility.
Accompanying drawing explanation
Fig. 1 is the structural representation of the soil Electroremediation device based on rotation electrode of the present utility model；
Fig. 2 is the structural representation of rotation electrode；
Wherein: 0, No. zero columnar electrode；1, I rectangular flat electrode；2, II rectangular flat electrode；3, III rectangular flat electrode；4, IV rectangular flat electrode；5, V rectangular flat electrode；6, VI rectangular flat electrode；7, soil remediation groove；8, electrode solution collecting tank；9, electrode cell；10, additive delivery pump；11, additive holding vessel；12, agitator；13, electrode solution blending tank；14, mixed liquor delivery pump；15, electrode solution agitator；16, electrode solution collecting pump；17, electrode；18, sample tap；19, electrode transform controller；20, current transformation controller.
Detailed description of the invention
Detailed description of the invention of the present utility model is described in detail below in conjunction with accompanying drawing and preferred embodiment.A kind of soil Electroremediation device based on rotation electrode, including with the soil remediation groove 7 of rotation electrode 17, current transformation controller 20, electrode transform controller 19, additive holding vessel 11 and electrode solution blending tank 13；
Described rotation electrode includes No. zero columnar electrode and six rectangular flat electrodes, and described No. zero columnar electrode is arranged on the centre position of described soil remediation groove, and six rectangular flat electrodes are that regular hexagon structure is separately positioned on around described soil remediation groove；The ring week of described soil remediation groove is provided with electrode cell 9, described electrode cell ring week is provided with the electrode solution collecting tank 8 communicated therewith, described electrode solution collecting tank is connected with described electrode solution blending tank by electrode solution collecting pump 16, and described electrode solution blending tank is connected with described soil remediation groove by mixed liquor delivery pump 14；Described additive holding vessel is connected with described soil remediation groove by additive delivery pump 10；In order to prevent, rectangular flat is interelectrode to be interfered, and does not contact with each other between rectangular flat electrode；For avoiding free poles long period of soaking in electrode solution (electrode solution is generally strong acid or strong basicity), making electrode life reduce, the electrode cell of each rectangular flat electrode separates.
Described electrode transform controller is connected with No. zero columnar electrode and six rectangular flat electrodes respectively, for controlling conversion and the working time of No. zero columnar electrode and six rectangular flat polarities of electrode, and ensure that electrode is according to setting reverse and taking turns to operate in order；Described current transformation controller is connected with described electrode transform controller, for alternating current is converted to unidirectional current.
Being provided with electrode solution agitator 15 in described electrode solution blending tank, described additive storage tank is provided with agitator 12.Described soil remediation groove top is provided with sample tap 18.
As shown in Figure 1, contaminated soil is put into (also to insert electrodes in soil according to structure in Fig. 2) in soil remediation groove 7 and is repaired, in view of not only all electrodes are can to do anode but also can do negative electrode in the different time, therefore the electrode of this device should adopt inertia conductive electrode, the electrode of the oxidation that will not be corroded through the electrode of special handling or repair process.
nullThe electrode of No. zero electrode 0 of original state is anode，I rectangular flat electrode 1、The electrode of II rectangular flat electrode 2 is negative electrode (other electrodes are free poles)，After 5h，No. zero electrode 0 becomes negative electrode，III rectangular flat electrode 3、The electrode of IV rectangular flat electrode 4 is anode，After 10h，No. zero electrode 0 electrode becomes anode，V rectangular flat electrode 5、The electrode of VI rectangular flat electrode 6 is negative electrode，After 15h，The electrode of No. zero electrode 0 is negative electrode，I rectangular flat electrode 1、The electrode of II rectangular flat electrode 2 is anode，Later every 5h，No. zero electrode changes one-time electrode polarity，III rectangular flat electrode 3、IV rectangular flat electrode 4、V rectangular flat electrode 5、VI rectangular flat electrode 6、I rectangular flat electrode 1、II rectangular flat electrode 2 takes turns to operate by sequence number，Wherein work each time with 2 electrodes，Change the polarity of electrode during electrode rotation simultaneously.
In this device, the reversal cycle of No. I-VI rectangular flat electrode is 30h, 6 rectangular flat electrodes take turns to operate once for half period, and each rectangular flat electrode is contrary in the polarity of upper half period and lower half period, so effectively prevent rectangular flat electrode always for same polarity, and make the soil pH slant acidity near electrode or meta-alkalescence, prevent rectangle pole plate generation polarization phenomena simultaneously, extend the service life of electrode.(illustrate: 1, rectangular flat electrode number is n, n is odd number and n > 1, rectangular flat electrode be arranged as positive n limit shape, the rectangular electrode number of every task is 1, each electrode working time is t, different working time t can be determined according to the character of different pollutant, then the rectangular electrode reversal cycle is 2nt, as n=3, process the regular triangular prism of soil shape, the soil small volume that device is repaired, therefore it is not recommended that adopt n=3, during n >=5, the soil volume that device is repaired is suitable, therefore, when the rectangular electrode number of every task is 1, suggestion rectangular flat electrodeplate n >=5；2, the total block data of rectangle pole plate is 2n, n is odd number and n > 1, and the rectangular electrode number of every task is 2 simultaneously, and each electrode working time is t, different working time t can be determined according to the character of different pollutant, when then the rectangular electrode reversal cycle is 2nt, n >=3, process positive six prisms of soil shape, the soil volume that device is repaired is suitable, therefore, when the rectangular electrode number of every task is 2, it is proposed that rectangular flat electrodeplate n >=3；In order to make the rectangular electrode reversal cycle shorter, keeping higher treatment effeciency and bigger soil remediation volume, this device adopts n=3, rectangle pole plate number adopts 6, the rectangular electrode reversal cycle is that 6t, t can be adjusted correspondingly according to soil and test, and this device adopts t=5h.)
The change in polarity of electrode and the alternate turns work of electrode are controlled by electrode transform controller 19.In this process, between anode and negative electrode working electrode, due to electromigration, EOF and electrophoretic action, make in soil organic contamination occur to migrate and oxidized or be reduced into the material that little molecule is nontoxic, and make the organic pollution in soil be removed.In the course of the work, the general slant acidity of electrode solution of electrode generation or alkalescence, this device is transported to mix homogeneously in electrode solution blending tank 13 after electrode solution is collected, for making the more stable pH of Soil conservation, simultaneously for making in soil the moisture content will not be too low and be transmitted back to by mixed liquor in the soil of soil remediation groove.In addition, it is necessary to add different additives according to pollutant in soil feature, improve the efficiency of Electroremediation and keep the steady statue of its soil remediation groove soil.After the reparation of some cycles, organic pollution level in soil can reach the standard of related specifications, simultaneously as the measure such as the rotation electrode of this device employing and electrode solution mixing reuse, it is ensured that stablizing of soil acid-base, the clearance of Organic Pollution can reach more than 90%.
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, under the premise without departing from this utility model principle; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (3)
1. the soil Electroremediation device based on rotation electrode, it is characterised in that: include with the soil remediation groove of rotation electrode, current transformation controller, electrode transform controller, additive holding vessel and electrode solution blending tank；
Described rotation electrode includes No. zero columnar electrode and six rectangular flat electrodes, and described No. zero columnar electrode is arranged on the centre position of described soil remediation groove, and six rectangular flat electrodes are that regular hexagon structure is separately positioned on around described soil remediation groove；The ring week of described soil remediation groove is provided with electrode cell, described electrode cell ring week is provided with the electrode solution collecting tank communicated therewith, described electrode solution collecting tank is connected with described electrode solution blending tank by electrode solution collecting pump, and described electrode solution blending tank is connected with described soil remediation groove by mixed liquor delivery pump；Described additive holding vessel is connected with described soil remediation groove by additive delivery pump；
Described electrode transform controller is connected with No. zero columnar electrode and six rectangular flat electrodes respectively, for controlling conversion and the working time of No. zero columnar electrode and six rectangular flat polarities of electrode, and ensure that electrode is according to setting reverse and taking turns to operate in order；
Described current transformation controller is connected with described electrode transform controller, for alternating current is converted to unidirectional current.
2. the soil Electroremediation device based on rotation electrode according to claim 1, it is characterised in that: being provided with electrode solution agitator in described electrode solution blending tank, described additive storage tank is provided with agitator.
3. the soil Electroremediation device based on rotation electrode according to claim 1, it is characterised in that: described soil remediation groove top is provided with sample tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033909.3U CN205380136U (en) | 2015-12-11 | 2015-12-11 | Soil electric power prosthetic devices based on rotary electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033909.3U CN205380136U (en) | 2015-12-11 | 2015-12-11 | Soil electric power prosthetic devices based on rotary electrode |
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| Publication Number | Publication Date |
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| CN205380136U true CN205380136U (en) | 2016-07-13 |
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| CN201521033909.3U Expired - Fee Related CN205380136U (en) | 2015-12-11 | 2015-12-11 | Soil electric power prosthetic devices based on rotary electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363774A (en) * | 2015-12-11 | 2016-03-02 | 天津市环境保护科学研究院 | Soil electrodynamic force remediation device and soil electrodynamics remediation method based on rotating electrode |
| CN112014433A (en) * | 2020-09-29 | 2020-12-01 | 吉林大学 | Device for detecting straw mixed burying uniformity by utilizing soil conductivity |
-
2015
- 2015-12-11 CN CN201521033909.3U patent/CN205380136U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363774A (en) * | 2015-12-11 | 2016-03-02 | 天津市环境保护科学研究院 | Soil electrodynamic force remediation device and soil electrodynamics remediation method based on rotating electrode |
| CN105363774B (en) * | 2015-12-11 | 2018-06-22 | 天津市环境保护科学研究院 | Soil Electroremediation devices and methods therefor based on rotation electrode |
| CN112014433A (en) * | 2020-09-29 | 2020-12-01 | 吉林大学 | Device for detecting straw mixed burying uniformity by utilizing soil conductivity |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 |