CN2866491Y - Bioenzyme electrochemical water treating device - Google Patents
Bioenzyme electrochemical water treating device Download PDFInfo
- Publication number
- CN2866491Y CN2866491Y CN 200520033495 CN200520033495U CN2866491Y CN 2866491 Y CN2866491 Y CN 2866491Y CN 200520033495 CN200520033495 CN 200520033495 CN 200520033495 U CN200520033495 U CN 200520033495U CN 2866491 Y CN2866491 Y CN 2866491Y
- Authority
- CN
- China
- Prior art keywords
- biological enzyme
- casing
- electrochemical
- treatment
- water
- 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 - Fee Related
Links
Images
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model relates to a bio-enzyme electrochemistry water treatment, comprising a bio-enzyme treatment 1 and an electrochemistry treatment 2. The bio-enzyme treatment 1 comprises a box body 3 which provided with at least one bio-enzyme body 6 arranged in bio-enzyme protecting cover 7, a waste water inlet a, an air inlet 5, air supplying system 9, water outlet 10, box cover 11 and waste air outlet 12. The electrochemistry treatment 2 comprises a box body 13 which is equipped with a electric treatment unit providing at least one electric treatment element 15 and electric treatment casing, a water inlet 16, a baffle 17, a filter 18, a discharge port 19, a box cover 20 and a waste outlet 21. The utility model has the advantages of high efficiency of waste water treatment, easy operation, small volume, modular configuration, smart arrangement, high sterilization ability, little influence of condition (temperature, salinity, pH, or the like), thereby the purified water quality index is capable of reaching the requirement of national environment protection.
Description
Technical field
The utility model relates to waste disposal plant, and specifically, it belongs to the biological enzyme device for electrochemical water preparation in the environment protection sewage processing technology field.
Background technology
The development in society and economy has been brought leap to human civilization, and meanwhile, life, hospital, industrial sewage also are on the rise to the pollution of environment, have brought serious threat to human health.The complicated component of sewage often contains miscellaneous organic pollution materials, and the material that much belongs to bio-refractory is arranged in these materials, can retain in the environment in considerable time.Particularly to great " three cause " (carcinogenic, teratogenesis, the mutagenesis) organic pollutant of human health risk, of a great variety for these, the processing of the organic waste water of complicated component remains the difficult point and the focus of water treatment both at home and abroad at present.Therefore, exploitation, the research of seeking a kind of practical, effective, lower-cost more wastewater treatment Prevention Technique and waste disposal plant are extremely urgent, become the developing direction of necessary attention of society and concerned issue method.Present waste disposal plant mostly adopts microbial method (microbial film, activated sludge process) to add the chemical agent sterilization and handles, and is bulky, need take bigger space and come erecting equipment.It is to take microorganism is cultivated, tames that microbial method is disposed of sewage, then by only enzyme decomposing soluble organic pollutant in the microbial cell.The chemical agent disinfectant method is that continual interpolation chemical agent is sterilized, and the possibility of the secondary pollution of causing is arranged.As everyone knows, tradition microbial method water treatment device weak point is to reach the processing standard of sewage, treatment unit is bulky, and investment is high, weak effect, running cost is high, treatment unit starts slow, Operation and Maintenance inconvenience, and microorganism is subject to environment (temperature, PH, salinity etc.) influence and microorganism be defective such as loss easily.
The utility model content
The purpose of this utility model is in order to overcome traditional microbial method water treatment device above shortcomings, improve processing power, reduced volume, reduce investment and running cost etc. for this reason, a kind of katalysis decomposing harmful substances with biological enzyme is provided, utilizes electrochemical principle to proceed the catalyzed oxidation decomposing harmful substances then, and the active oxygen [O] that utilizes electrochemistry to produce, decomposing organic pollutant and killing pathogenic bacteria reach the biological enzyme device for electrochemical water preparation of the purpose of disposing of sewage.
The utility model is that the biological enzyme body is fixed on the carrier, makes the biological enzyme body.Enzyme is a synthetic in the organism such as animal and plant microorganism, participates in catalysis, biochemical reaction, and transmit electronics, atom and chemical based because of biological catalyst.When the biological enzyme body contacts with waste water, under the katalysis of enzyme, organic pollutant in the waste water and objectionable impurities are decomposed, utilizing electrochemistry to carry out secondary treatment then, electrochemical treatment is by the direct degradable organic pollutant of the electrode reaction of novel nano technology and utilizes the oxygenizement of the active oxygen [O] that electrochemical reaction produces, organic and inorganic thing is carried out oxidation, killing pathogenic bacteria, has good sterilisation effect, reach emission standard by the strainer filtration again, thereby reach the purpose of disposing of sewage.
The technical scheme that the utility model technical solution problem is adopted is: it includes biological enzyme treater 1 and electrochemical treater 2 is formed, wherein: biological enzyme treater 1, by casing 3, waste water import 4, air intlet 5, the biological enzyme body protective guard 7 of dress biological enzyme body 6 at least one is set, airing system 9, water outlet 10 in the casing 3, case lid 11, waste gas outlet 12 is formed electrochemical treater 2; By casing 13, the electrical treating cell cube that at least one is made up of electrical treating unit 15 and electrical treating cell enclosure 14 is set in the casing 13, water-in 16, dividing plate 17, strainer 18, discharge outlet 19, case lid 20, waste gas outlet 21 is formed.(see Fig. 1, Fig. 2, Fig. 3, Fig. 4)
Above-mentioned biological enzyme treater 1 is handled as the one-level of sewage.
The biological enzyme body protective guard 7 of above-mentioned biological enzyme treater 1 is a net blanket or cover with holes, and its role is to handle waste water can fully contact with the biological enzyme body 6 in the enzyme body protective guard 7, and frees in and out biological enzyme body protective guard 7;
The biological enzyme body protective guard 7 of above-mentioned biological enzyme treater 1 can be arranged on drift arbitrarily in the solution in the solution of casing 3;
The biological enzyme body protective guard 7 of above-mentioned biological enzyme treater 1 adopts support 8 can be fixed in the casing 3;
That the biological enzyme body 6 of above-mentioned biological enzyme treater 1 can be is cotton-shaped, the arbitrary shape in particulate state, film, column, the spherical or obform body;
Biological enzyme body protective guard 7 shapes and biological enzyme body 6 shapes of above-mentioned biological enzyme treater 1 are complementary;
Above-mentioned electrochemical treater 2 is as the second-stage treatment of sewage;
Above-mentioned electrical treating unit 15 adopts precious metal base material, surface-coated nano level compound coating;
Above-mentioned electrical treating cell enclosure 14 adopts insulating material to make, be generally rectangular structure, also can be for the cylindrical structure form etc., basic demand is to select for use insulating material to make;
Above-mentioned strainer 18 adopts board-like connect-disconnect structure form.
Water treatment of the present utility model is according to following principle: when waste water enters biological enzyme treater casing 3 from waste water import 4; waste water import 4 both can be intake from casing 3 bottoms; also can intake from top; under the effect of airing system 9; airing system 9 charges into air from air intlet 5; in solution, form bubble; solution is played stirring action; make it to contact with the biological enzyme cell cube of forming by biological enzyme body 6 and enzyme body protective guard 7; under the katalysis by enzyme; with organism in the waste water; objectionable impurities is decomposed; reach the purpose for the treatment of water; then; by water outlet 10; water-in 16 through being connected with electrochemical treater; enter electrochemical treater 2; produce the electrochemical treatment reaction through the electrical treating cell cube; continue degradable organic pollutant and utilize the oxygenizement of the active oxygen [O] that electrochemical reaction produces; to organic; inorganics carries out oxidation, and killing pathogenic bacteria has good sterilisation effect; by dividing plate 17; after filtering by strainer 18 again, discharge through discharge outlet 19, thereby reach the purpose of disposing of sewage.The waste gas that produces in the reaction process is discharged by waste gas outlet 12 and waste gas outlet 21.
The utility model water treatment device structure is taked the design of modular construction form.Constitute by biological enzyme treater 1 and electrochemical treater 2, can aggregate erection, also can be every dress, connect with pipe method and to get final product.Can make full use of limited space resources.
In the casing 3, the biological enzyme body protective guard 7 that biological enzyme body 6 is housed at least one is set.The biological enzyme body protective guard 7 that biological enzyme body 6 is housed in one or more is set according to what and the concentration of handling the water yield different.
In the casing 13, the electrical treating cell cube that at least one is made up of electrical treating unit 15 and electrical treating cell enclosure 14 is set according to what and the concentration of handling the water yield different.
In the casing 13, a strainer 18 is set, after the water after the processing filters through strainer 18, through discharge outlet 19 dischargings.
The useful technique effect of biological enzyme device for electrochemical water preparation:
1) energy processing soluble and the pollutent that is difficult to degrade and the waste water of high density, class material preferably can cut grease;
2) the efficient height of Chu Liing, device are subjected to the influence of environment (PH, temperature, salinity etc.) little, and the control for the treatment of processes is simple and easy to do;
3) the treatment unit volume is little, adopts modular construction, and mounting means is versatile and flexible;
4) the biological enzyme body can be reused, and stability is high, starts fast (can come into operation the same day);
5) electrical treating cell cube has extremely strong oxidation capacity and superpower sterilization ability;
6) " integrated wastewater discharge standard " GB8978-1996 that is up to state standards of water quality after treatment.
Description of drawings:
Fig. 1: the plan structure synoptic diagram that is a kind of structure formation of the present utility model.
Fig. 2: the main TV structure synoptic diagram that is a kind of structure formation of the present utility model.
Fig. 3: cross-sectional view is looked on a left side that is a kind of structure formation of the present utility model.
Fig. 4: cross-sectional view is looked on the right side that is a kind of structure formation of the present utility model.
Fig. 5: the plan structure synoptic diagram that is the utility model second embodiment.
Specific embodiment
Below in conjunction with accompanying drawing 1-5, and the purpose of this utility model is further set forth by specific embodiment.
Embodiment 1:
A kind of biological enzyme device for electrochemical water preparation of the present utility model, it includes biological enzyme treater 1 and electrochemical treater 2 is formed.Wherein: biological enzyme treater 1, by casing 3, waste water import 4, air intlet 5; biological enzyme body 6, enzyme body protective guard 7, enzyme body support frame 8, airing system 9; water outlet 10, case lid 11, waste gas outlet 12 is formed; electrochemical treater 2: by casing 13, electrical treating cell enclosure 14, electrical treating unit 15; water-in 16, dividing plate 17, strainer 18; discharge outlet 19, case lid 20, waste gas outlet 21 grades are partly formed.(seeing accompanying drawing 1-Fig. 4)
Above-mentioned cabinet shell presents vertical cuboid structure formation, uses steel plate (or glass reinforced plastic and engineering plastics etc.) to make usually.Wherein: biological enzyme treater 1: casing 3 one sides have tubular type waste water import 4, but both casing 3 bottoms water inlets of waste water import 4, also can intake from top, from air intlet 5, in its vertical side pipe outlet 10 is arranged, the open area of waste water import 4 and water outlet 10 can be identical, also can be inequality, it is identical with water outlet 10 open area that present embodiment is designed to waste water import 4, and water outlet 10 positions are higher than water intake 4.Biological enzyme body 6 places in the biological enzyme body protective guard 7, and biological enzyme body protective guard 7 is arranged in the casing 3.The biological enzyme body 6 of present embodiment is cotton-shaped, and biological enzyme body protective guard 7 is netted engineering plastics, is the cylindrical structure form, adopts support 8 to be fixed in the casing 3, on case lid 11, is provided with a waste gas outlet 12.Electrochemical treater 2: casing 13 1 sides have tubular type water water-in 16, in its vertical side tubular type discharge outlet 19 is arranged, the open area of water-in 16 and discharge outlet 19 can be identical, in the casing 13, be provided with one, the electrochemical treatment cell cube that electrical treating unit 15 is formed by electrical treating cell enclosure 14, electrical treating unit 15 is coated with nano level compound coating, be provided with a dividing plate 17 with holes and a strainer 18, on case lid 20, be provided with a waste gas outlet 21.
During the present embodiment operation, send into waste water by waste water import 4, send into air from air intlet 5, processed waste water contacts with biological enzyme body 6 in the casing 3 of biological enzyme treater 1, under the katalysis of biological enzyme body 6, with organism in the waste water, objectionable impurities is decomposed, water after the processing, by water outlet 10, the water-in 16 through being connected with electrochemical treater enters electrochemical treater 2 again, through be connected with the direct supply output electrode of controlling box by electrical treating cell enclosure 14, the electrical treating unit that electrical treating unit 15 is formed produces the electrochemical treatment reaction, continues degradable organic pollutant and utilizes the oxygenizement of the active oxygen [O] that electrochemical reaction produces, to organic, inorganics carries out oxidation, killing pathogenic bacteria has good sterilisation effect, by dividing plate 17, flow into filter box, after filtering by strainer 18 again, discharge through discharge outlet 19, thereby reach the purpose of disposing of sewage.The waste gas that produces in the reaction process is discharged by waste gas outlet 12 and waste gas outlet 21.
Handle sanitary sewage with present embodiment, SS is 580～650mg/L before handling, BOD
5Be 490～560mg/L, the big smooth bacillus flora number of excrement is 2.4 * 10
4Individual/L, muddy and the dense flavor of smelling arranged.After the utility model processing, SS is 32～45mg/L, and BOD5 is 28～42mg/L, the big smooth bacillus flora number of excrement＜20/L, and pH value 6.0, limpid nothing is smelt flavor.
Present embodiment is suitable for the processing of sanitary sewage, is particularly suitable for requiring the processing efficiency height, the occasion that the place is narrow, as: the sewage disposal of biotope, hospital, food and drink place and organic industrial sewage etc.
Embodiment 2:
A kind of biological enzyme device for electrochemical water preparation of the present utility model, it includes biological enzyme treater 1 and electrochemical treater 2 and filtering basin 24 and forms.Wherein: biological enzyme treater 1, by casing 3, waste water import 4, air intlet 5; biological enzyme body 6, enzyme body protective guard 7, airing system 9; water outlet 10, case lid 11, waste gas outlet 12 is formed; electrochemical treater 2: by casing 13, electrical treating cell enclosure 14, electrical treating unit 15; water-in 16, water outlet 22 is formed, and filtering basin are by casing 24; water-in 23, strainer 18, discharge outlet 19 grades are partly formed.(seeing accompanying drawing 5)
Above-mentioned cabinet shell presents vertical cuboid structure formation, uses steel plate (or glass reinforced plastic and engineering plastics etc.) to make usually.Wherein: biological enzyme treater 1: casing 3 one sides have tubular type waste water import 4, air intlet 5, in its vertical side pipe outlet 10 is arranged, the open area of waste water import 4 and water outlet 10 can be identical, also can be inequality, it is identical with water outlet 10 open area that present embodiment is designed to waste water import 4, and water outlet 10 positions are higher than water intake 4, thereby form the pipe stream mode.Biological enzyme body 6 places in the biological enzyme body protective guard 7, and biological enzyme body protective guard 7 is arranged in the casing 3.The biological enzyme body 6 of present embodiment is cotton-shaped; biological enzyme body protective guard 7 is netted engineering plastics; be the cylindrical structure form; in casing 3, a plurality of biological enzyme body protective guards 7 are set, present embodiment is provided with three biological enzyme body protective guards 7; be evenly distributed; also can drift about wherein, on case lid 11, be provided with a waste gas outlet 12.Electrochemical treater 2: casing 13 1 sides have tubular type water water-in 16, at opposite side pipe outlet 22 is arranged, the open area of water-in 16 and discharge outlet 19 can be identical, in the casing 13, be provided with one by electrical treating cell enclosure 14, the ammeter chemical treatment body that electrical treating unit 15 is formed.Filtering basin are provided with strainer 18 and the discharge outlet 19 that 23, one specialty fibers of water-in are made.
During the present embodiment operation, send into waste water by waste water import 4, send into air from air intlet 5, processed waste water contacts with biological enzyme body 6 in the casing 3 of biological enzyme treater 1, under the katalysis of biological enzyme body 6, with organism in the waste water, objectionable impurities is decomposed, water after the processing, by water outlet 10, the water-in 16 through being connected with electrochemical treater enters electrochemical treater 2 again, through be connected with the direct supply output electrode of controlling box by electrical treating cell enclosure 14, the electrical treating unit that electrical treating unit 15 is formed produces the electrochemical treatment reaction, continues degradable organic pollutant and utilizes the oxygenizement of the active oxygen [O] that electrochemical reaction produces, to organic, inorganics carries out oxidation, killing pathogenic bacteria has good sterilisation effect, by water outlet 22, flow into filter box 24 through the water-in 23 that is attached thereto, after filtering by strainer 18 again, discharge through discharge outlet 19, thereby reach the purpose of disposing of sewage.
According to the MARPOL of International Maritime Organizaton pact supplemental provisions IV and international emission standard of MEPC2 (VI) sewage treatment unit and the requirement of performance test rules, the water quality technical indicator after boats and ships require to handle with sewage treatment unit must reach: excrement colibacillus group geometrical mean :≤250/100ml; Total suspended solid(s) (TSS) geometrical mean :≤50mg/L; Five-day BOD BOD
5:≤50mg/L, and meet the requirement of environmental protection meeting MEPC2 of International Maritime Organizaton (VI) and MEPC8/WP.3.
Handle Sewage from Ships with present embodiment, SS is 720～950mg/L before handling, BOD
5Be 670～760mg/L, the big smooth bacillus flora number of excrement is＞2.6 * 10
5Individual/L, vegetable and animals oils is 50mg/L, and is muddy and have dense raw meat to smell flavor.After the utility model processing, SS is 15～35mg/L, and BOD5 is 5～15mg/L, the big smooth bacillus flora number of excrement＜20/L, and vegetable and animals oils＜0.8mg/L, pH value 6.0, limpid nothing is smelt flavor.
Present embodiment is suitable for and the processing of the sanitary sewage of food and drink, passenger traffic and shipping boats and ships.Be particularly suitable for requiring the processing efficiency height, the project that the place is narrow is as the sewage disposal of food and drink, pleasure boat, passenger traffic and shipping boats and ships.
Embodiment 3:
Biological enzyme device for electrochemical water preparation of the present utility model, its basic structure is identical with embodiment 1 or 2, but profile and size can be determined with the place at scene and the water quality situation of disposing of sewage, casing is square, also circular or other shapes, the shape of biological enzyme body can be other shapes, but the sewage after handling through biological enzyme treater one-level, need to carry out second-stage treatment through electrochemical treater again, filter the back discharging by strainer then.
Claims (7)
1, biological enzyme device for electrochemical water preparation, it includes biological enzyme treater (1) and electrochemical treater (2), it is characterized in that described biological enzyme treater (1) is by casing (3), waste water import (4), air intlet (5) is provided with the biological enzyme body protective guard (7) of adorning biological enzyme body (6) at least one in the casing (3), airing system (9), water outlet (10), case lid (11), waste gas outlet (12) is formed; Electrochemical treater (2) is provided with the electrical treating cell cube that at least one is made up of electrical treating unit (15) and electrical treating cell enclosure (14), water-in (16) by casing (13) in the casing (13), strainer (18), discharge outlet (19), case lid (20), waste gas outlet (21) is formed.
2, biological enzyme device for electrochemical water preparation according to claim 1 is characterized in that described biological enzyme body protective guard (7) is the mesh cover.
3, biological enzyme device for electrochemical water preparation according to claim 1 is characterized in that described biological enzyme body protective guard (7) adopts support (8) to be fixed in the casing (3).
4, biological enzyme device for electrochemical water preparation according to claim 1 is characterized in that described biological enzyme body (6) is cotton-shaped, particulate state, film, column, spherical.
5, biological enzyme device for electrochemical water preparation according to claim 1 is characterized in that described electrical treating cell cube (15) surface-coated nano level compound coating.
6, biological enzyme device for electrochemical water preparation according to claim 1 is characterized in that between described electrical treating cell enclosure (14) and the strainer (18) dividing plate with holes (17) being arranged.
7,, it is characterized in that described electrical treating cell cube connects strumbox (24) by pipeline import and export (22,23) according to claim 1 or 8 described biological enzyme device for electrochemical water preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520033495 CN2866491Y (en) | 2005-03-16 | 2005-03-16 | Bioenzyme electrochemical water treating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520033495 CN2866491Y (en) | 2005-03-16 | 2005-03-16 | Bioenzyme electrochemical water treating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2866491Y true CN2866491Y (en) | 2007-02-07 |
Family
ID=37702194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520033495 Expired - Fee Related CN2866491Y (en) | 2005-03-16 | 2005-03-16 | Bioenzyme electrochemical water treating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2866491Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013177835A1 (en) * | 2012-05-29 | 2013-12-05 | 中国科学院过程工程研究所 | Method and reactor for removing organic matter by enzyme electrode coupled electric flocculation |
| CN103626290A (en) * | 2013-11-05 | 2014-03-12 | 浙江工商大学 | Rapid domestication reactor and rapid domestication method for anaerobic granular sludge |
-
2005
- 2005-03-16 CN CN 200520033495 patent/CN2866491Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013177835A1 (en) * | 2012-05-29 | 2013-12-05 | 中国科学院过程工程研究所 | Method and reactor for removing organic matter by enzyme electrode coupled electric flocculation |
| US9708203B2 (en) | 2012-05-29 | 2017-07-18 | Institute Of Process Engineering, Chinese Academy | Method and reactor for removing organic matters by immobilized-enzymatic electrode coupled electro-coagulation |
| CN103626290A (en) * | 2013-11-05 | 2014-03-12 | 浙江工商大学 | Rapid domestication reactor and rapid domestication method for anaerobic granular sludge |
| CN103626290B (en) * | 2013-11-05 | 2015-01-07 | 浙江工商大学 | Rapid domestication reactor and rapid domestication method for anaerobic granular sludge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101643301B (en) | Method for purifying oil-containing waste water of catering and complete equipment thereof | |
| CN204714652U (en) | A kind of industrialized culture circular water treating system | |
| CN102515430B (en) | Live pig slaughtering wastewater treating method | |
| CN101618923B (en) | Wastewater treatment method | |
| CN102225803B (en) | Biomembrane reactor, waste water treating system and method for treating waste water | |
| CN1944293A (en) | Deeply sewage treating method and its device without mud discharging | |
| CN103073108A (en) | Moving bed type purification tank | |
| CN1579967B (en) | Integrated urban waste water treating apparatus and process | |
| CN111517570B (en) | Sea wave-imitated ship sewage treatment and recycling system and method | |
| CN201751397U (en) | Sewage treatment device of ozone and aeration biological filter pool | |
| CN2866491Y (en) | Bioenzyme electrochemical water treating device | |
| CN1300020C (en) | Domestic sewage deeply treating process | |
| CN203700113U (en) | Village sewage treater | |
| CN211111600U (en) | Purification device is handled in landfill leachate integration | |
| CN101767899A (en) | Sewage treatment device | |
| CN209835886U (en) | Modified septic tank for standard treatment of rural toilet excrement and domestic wastewater | |
| CN112830628A (en) | Domestic sewage treatment process | |
| CN201962172U (en) | Corollary equipment for sewage purification | |
| CN106946354B (en) | Septic tank sewage end treatment device | |
| CN200967776Y (en) | Sewage water advanced treatment device without sludge discharging | |
| CN205710329U (en) | A kind of water treatment facilities | |
| CN2851254Y (en) | Bio-enzyme water treatment device | |
| CN208700853U (en) | A kind of environment friendly biological processing mud and sewage equipment | |
| CN214457490U (en) | MBBR (moving bed biofilm reactor) combined sewage treatment device | |
| CN204607797U (en) | The rural sewage treatment system of low-carbon environment-friendly |
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: 20070207 Termination date: 20140316 |