CN202040816U - Municipal waste incineration boiler - Google Patents
Municipal waste incineration boiler Download PDFInfo
- Publication number
- CN202040816U CN202040816U CN2011201500321U CN201120150032U CN202040816U CN 202040816 U CN202040816 U CN 202040816U CN 2011201500321 U CN2011201500321 U CN 2011201500321U CN 201120150032 U CN201120150032 U CN 201120150032U CN 202040816 U CN202040816 U CN 202040816U
- Authority
- CN
- China
- Prior art keywords
- plate
- burning
- combustion
- combustion chamber
- boiler
- 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
Classifications
-
- Y02E20/344—
Abstract
The utility model provides a closed type municipal waste incineration boiler, which comprises a boiler body, a water tank, a combustion chamber and a fly ash outlet. The combustion chamber is provided with an incineration plate with the width identical to that of the combustion chamber, the incineration plate divides the combustion chamber into a combustion cavity and a combustion-supporting cavity, the incineration plate is groove-shaped and is provided with a through hole, and after passing through the combustion-supporting cavity, led-in mixed oxygen enters the combustion cavity via the through hole on the incineration plate and then realizes combustion supporting and combustion for waste dried via a drier. The combustion temperature of the incineration boiler can reach 850 DEG C at least, waste incineration can be controlled by two seconds at least, dioxin and furan can be effectively restrained, and generated fly ash (smoke) only can be discharged from the fly ash outlet, thereby bringing convenience for treating the fly ash.
Description
Technical field
The utility model relates to a kind of burning boiler that is used for city garbage burning, under particularly a kind of enclosed environment municipal refuse is carried out clean-burning burning boiler.
Background technology
Municipal refuse comprises house refuse and medical waste, the processing of existing municipal refuse (hereinafter to be referred as the rubbish) incinerators with fire grate that adopt burn more, produce slag and flying dust after burning, contain dust granule and pernicious gas in the flying dust, after flue is handled, discharge.Existing refuse treatment plant has following shortcomings: because the Machine Design of fire grate can't be sealed incinerator, the pernicious gas during burning in the flying dust is discharged unavoidably; Secondly, incineration temperature is low, and incineration firing is insufficient, and the dioxin harmful substance can't effectively be suppressed; The 3rd, mechanically operated fire grate is long service time, and maintenance work is heavier.The 4th, the rubbish of burning is many owing to containing organic matter, and water content is big, and is insufficient during burning, and the pernicious gas amount of generation is big, and environmental pollution is bigger.
Summary of the invention
For overcoming above problem, following technical scheme is proposed now:
The city garbage burning boiler, comprise boiler body, water tank, combustion chamber, charging aperture, slag notch, the combustion chamber is provided with the burning plate, and width is consistent with the combustion chamber width, becomes to be obliquely installed with horizontal plane, burning plate and horizontal plane angle is 10 ° to 40 °, burns plate the combustion chamber is separated into separately independently combustion chamber and combustion-supporting chamber.Charging aperture is communicated with combustion chamber, and charging aperture is arranged on and burns above the plate hight end, and slag notch joins with burning plate low side.Top, combustion chamber is provided with the flying dust outlet, and the flying dust outlet is communicated with combustion chamber, and the flying dust outlet is provided with heat collector.Also be provided with start-up burner in the combustion chamber, be used to feed burning gases such as natural gas and light rubbish in the burning boiler; The burning plate is a fluted body, burns plate and has through hole, and the upper shed of through hole is being burned on the plate surface, and under shed is burning the plate bottom surface, and through hole is communicated with combustion chamber with combustion-supporting chamber, and the opening of under shed is greater than upper shed; Combustion-supporting chamber is provided with the combustion adjuvant nozzle, and combustion adjuvants such as the mixture of oxygen of 60%-70% are injected in the combustion-supporting chamber by the combustion adjuvant nozzle through the combustion adjuvant pipeline, and combustion adjuvant is sprayed from the through hole upper shed through through hole.The rubbish slag notch links to each other with conveying worm, and the slag after the burning is discharged by conveying worm.The flying dust outlet also is provided with an air heat-absorbing device, and its efferent duct is communicated with the combustion adjuvant pipeline, is used to improve the combustion adjuvant temperature, reduces the temperature of flying dust simultaneously.
Further be, burn the plate both sides and be provided with the oxygen therapy pipeline, oxygen enrichment or mixed oxygen for feeding in the oxygen therapy pipeline, the oxygen therapy pipeline is provided with nozzle, and nozzle opening is used for spraying into pure oxygen or mixed oxygen in burning on the plate surface in combustion chamber.Nozzle tilts to burning the plate low side, and the angle b that forms with the oxygen therapy pipeline is 15 °-70 °, makes the more clean-burning while of rubbish, blows rubbish and moves to slag notch.
Further be, burn plate and have a plurality of through holes that through hole upper shed center and under shed line of centres line direction are 15 °-60 ° with burning base plate plane angle c.
Further be, burn the plate plate and make,, can bear higher temperature as making by refractory ceramics by exotic material.
Further be, conveying worm becomes to be obliquely installed with horizontal plane, and from the horizontal by 10 ° of-45 ° of angles, conveying worm and cross current maintain water, is used for the cooling of the slag behind the incineration firing and prevents that the slag fly ash emission is to air.
Further be, rubbish slag notch top is greater than its bottom that is connected with conveying worm, and slag can be deposited in the rubbish slag notch, and the one, prevent the flying dust discharge, the 2nd, the steam in the conveying worm can be lowered the temperature to slag.
Further be, burn and to be provided with vibrator below the plate, produce when piling up, rubbish is moved to slag notch by vibrator in waste incineration.
Further be that combustion adjuvant nozzle and start-up burner are fan-shaped.
Further be that the water tank wall of combustion chamber is provided with endothermic tube.
For ease of observing the waste incineration situation, on the boiler wall, also be provided with observation window.
Rubbish enters combustion chamber from charging aperture, at the combustion adjuvant nozzle after to spray into concentration be oxygen enrichment more than 30%, light rubbish by start-up burner, mix oxygen and form air-flow after by the up-small and down-big through hole of opening, because through hole has certain angle with the burning plate, air-flow blows to the slag notch direction, rubbish can be blown afloat fully to burn, and the rubbish with burning blows to the slag notch direction simultaneously.Fill if observe the waste incineration deficiency, can also feed high purity oxygen or oxygen enrichment,, further strengthen the sufficient combustion of waste incineration and move to the slag notch aspect because the nozzle on the pipeline also is to the inclination of slag notch direction by the pipeline that burns on the plate.Simultaneously, start-up burner also can spray into the incendiary agent as natural gas etc., in order to strengthen the burning of rubbish.Form to pile up if burn away the refuse, can the Vibration on Start-up device, rubbish is moved to slag notch.The slag that whole combustion chamber produces is piled up at slag notch, and flying dust can not discharged from slag notch, can only discharge from the flying dust outlet, at this moment, owing to burn fully, incineration temperature reaches more than 850 °, can effectively suppress the generation of bioxin, furans, bring convenience for next step flying dust handling procedure.Slag after the burning is discharged by conveying worm, because the incineration temperature height can reach more than 850 °, conveying worm becomes to be obliquely installed with horizontal plane, at conveying worm and cross current, maintain entry, can be constantly to the cooling of slag with prevent that the slag fly ash emission is in air.And the slag that produces through high temperature can be used for the brickmaking or the raw material of paving the way after treatment.
The heat that produces of burning away the refuse is used for the water of heating water tank, and high-temperature gas is discharged by steam pipeline, can be used for other purposes such as generating, hot water, and the energy of waste incineration can utilize once more like this.Inlet channel guarantees the water abundance in the water tank.
Burn effect for further increasing, also be provided with a drying device at garbage inlet.This drying device position is higher than the burning boiler charging aperture, and be tightly connected with charging aperture, it comprises hothouse, be located at the rubbish belt feeder or the high temperature rubbish belt feeder on hothouse top, be located at the drier in the hothouse, the hothouse top is provided with air draft pipe, be used to collect the gas that produces behind the garbage drying, air draft pipe is communicated with combustion-supporting chamber, delivers to combustion-supporting chamber by air draft pipe, delivers to combustion chamber by through hole at last and burns; Also the gas of collecting can be entered into the combustion adjuvant pipeline by air draft pipe, deliver to the combustion chamber internal combustion at last.Drier is made of snake pipe, high-temperature steam enters drier by the snake pipe inlet end, high-temperature steam is used for garbage drying when dispelling the heat through snake pipe, steam is discharged in the air by snake pipe exhaust end end or as other purposes such as hot water, snake pipe can be arranged setting more.Hothouse base plate and horizontal aspect are obliquely installed, and certain slope is arranged, and also are provided with the rubbish vibrator below the base plate.
Further be, the snake pipe inlet end is communicated with jet chimney, and the heat that can utilize burning boiler to produce like this is used for the drying of rubbish.
Rubbish is after process go-no-go, fragmentation, if better rubbish is burnt, can be with after rubbish and the coal slime mixing, be sent in the hothouse through the rubbish belt feeder, fall naturally, after the drier drying, fall on the base plate of hothouse bottom, because base plate and horizontal plane have certain angle, garbage energy freely slips into or slides in the charging aperture through the oscillator vibration, enters combustion chamber and burns.Steam that produces behind the garbage drying and peculiar smell enter into combustion chamber and burn under the effect of air draft pipe, and the sealing of drying device and charging aperture is connected, and have avoided steam and peculiar smell directly to be discharged in the atmosphere.
In combustion chamber, burn through dried rubbish, reduced the moisture content in the rubbish, incineration firing soon and more abundant, the generation of so further minimizing pernicious gas.
More than device also has following beneficial effect: the incineration firing boiler structure is simple, no fire grate design, maintainability is good, adopt the mixed oxygen of feeding that dried rubbish is burnt, can guarantee the abundant burning of rubbish, if find that incineration firing is insufficient, can improve efficiency of combustion by oxygen therapy pipeline input oxygen enrichment, because ignition temperature can reach more than 850 °, can suppress the generation of bioxin, skin pernicious gas,, cooperate the use of vibrating head by mixing the control of oxygen pressure to being blown into, municipal refuse is stopped more than 2 seconds in combustion chamber, reach the burning requirement.And sealed type designs, and the flying dust that produces in burning process can only be discharged from the flying dust outlet, guarantees to burn the environmental quality of field.Simultaneously, the steam of generation can utilize by secondary again.
Description of drawings
Fig. 1: burning boiler structural representation.
Fig. 2: burn the plate schematic cross-section.
Fig. 3: burning boiler side view.
Fig. 4: burn the plate schematic bottom view.
Fig. 5: oxygen therapy pipeline structural representation.
Number among the figure: 1 boiler body, 2 water tanks, 3 combustion chambers, 4 charging apertures, 5 slag notches, the outlet of 6 flying dusts, 7 burn plate, 8 combustion chambers, 9 combustion-supporting chambeies, 10 air heat-absorbing devices, 11 start-up burners, 12 through holes, 13 oxygen therapy pipelines, 14 nozzles, 15 combustion adjuvant nozzles, 16 conveying worms, 17 vibrators, 18 observation windows, 19 drying devices, 20 hothouses, 21 rubbish belt feeders, 22 driers, 23 air draft pipes, 24 inlet ends, 25 exhaust ends, 26 base plates, 27 jet chimneys, 28 inlet channels, 29 rubbish vibrators, 30 air blasts, 31 combustion adjuvant pipelines, 32 upper sheds, 33 under sheds, 34 endothermic tubes, 35 bracing frames.
The specific embodiment:
As accompanying drawing 1, the city garbage burning boiler comprises boiler body 1, water tank 2, and combustion chamber 3, charging aperture 4, slag notch 5, water tank 2 are provided with jet chimney 27 and the inlet channel 28 that is communicated with it.
The burning plate 7 consistent with combustion chamber 3 width arranged in the combustion chamber 3, burning plate and horizontal plane angle is 25 °, burning plate 7 is made of refractory ceramics, support by bracing frame 35, burn plate 7 combustion chamber 3 is separated into each own independent burning chamber 8 and combustion-supporting chamber 9,8 two sides, combustion chamber and top are water tank 2 bodies, and available high temperature rubber packing around 9 bottom surfaces, combustion-supporting chamber guarantees that mixing oxygen in the combustion-supporting chamber 9 can not spill from combustion-supporting chamber.Can adopt spiral shell to change when burning the plate installation and use after jack regulates height, burn plate and can make polylith in advance, fastening forms.Charging aperture 4 be arranged on burn plate 7 high-end above, slag notch with burn plate 7 low sides and join.
One flying dust outlet 6 is arranged at 3 tops, combustion chamber, is communicated with combustion chamber 8, and flying dust outlet 6 is provided with air heat-absorbing device 10, and its efferent duct is communicated with combustion adjuvant pipeline 31.Under air blast 30 effects, can accelerate air heat-absorbing device 10 heat absorptions, increase simultaneously and mix the oxygen temperature.
In the middle of burning plate 7 and charging aperture 4, be provided with a start-up burner 11, be used to feed burning gases such as natural gas and light rubbish in the burning boiler.
Burning plate 7 is fluted body, burn plate and have through hole 12, the upper shed of through hole 12 is being burned on plate 7 surfaces, under shed is burning plate 7 bottom surfaces, through hole 12 is communicated with combustion chamber 8 with combustion-supporting chamber 9, the opening of under shed burns plate 7 and has a plurality of through holes 12 greater than upper shed, and through hole 12 upper shed centers and under shed line of centres line direction are 30 ° with burning base plate plane angle.Burning plate 7 adopts steel construction bracing frame 35 to support.
Burn the plate both sides and be provided with oxygen therapy pipeline 13, oxygen therapy pipeline 13 is provided with nozzle 14, and nozzle opening is in burning on plate 7 surfaces, nozzle 14 tilts to burning plate 7 low sides, the angle c that forms with oxygen therapy pipeline 12 is 30 °, makes the more clean-burning while of rubbish, blows rubbish and moves to slag notch.When incineration firing does not fill,, make rubbish reach clean-burning purpose by oxygen therapy pipeline 13 input high purity oxygen.
There is a fan-shaped combustion adjuvant nozzle 15 in combustion-supporting chamber 9, and the oxygen enrichment of employing 60% under the effect of air blast 30, in being injected to combustion-supporting chamber, makes oxygen enrichment spray from the through hole upper shed through through hole 12 by combustion adjuvant nozzle 15 through combustion adjuvant pipeline 31.
Be provided with vibrator 17 below the burning plate, vibrator is connected with the steel construction piece bracing frame 35 that supports the burning plate.When waste incineration produces accumulation, by vibrator rubbish is moved to slag notch, because mixture of oxygen sprays into combustion-supporting chamber constantly, the high temperature in the combustion chamber can not have influence on the application of vibrator.
Also be provided with observation window 18 on boiler body 1 wall, combustion chamber 8 water tank walls are provided with endothermic tube 34.
As Fig. 1, burn effect for further increasing, also be provided with a drying device 19 at garbage inlet.This drying device 19 is higher than charging aperture 4, and be connected with charging aperture 4 sealing, comprise hothouse 20, be located at the high temperature rubbish belt feeder 21 on hothouse 20 tops, be located at the drier 22 in the hothouse, the hothouse top is provided with air draft pipe 23, and air draft pipe 23 is communicated with combustion adjuvant pipeline 31, is communicated with combustion-supporting chamber 9 through high pressure blower 30 again.The gas that produces behind the garbage drying enters in the combustion adjuvant pipeline 31 through air draft pipe 23, under high pressure blower 30 effects, sends into combustion-supporting chamber 9 by fan-shaped combustion adjuvant nozzle 15, delivers to combustion chamber 8 by through hole 12 at last and burns.Drier 22 is made of snake pipe, and snake pipe inlet end 24 is communicated with jet chimney 27, after high-temperature steam enters drier 22, is used for garbage drying during through the snake pipe heat radiation, and steam is discharged to air by snake pipe exhaust end 25.Hothouse base plate 26 tilts with horizontal plane, and certain slope is arranged, and also is provided with rubbish vibrator 29 below the base plate.
Above-mentioned burning boiler is simple and reasonable, and maintenance is little, and produced simultaneously heat can be easy to be used for generating and wait other purposes, can significantly reduce operating cost, and hermetically sealed design, sufficient combustion, flying dust can only be discharged from the flying dust outlet, for next step flying dust processing brings convenience, the slag of discharging is deposited safety, not damage to the environment through high-temp combustion, also can be easy to be used for its way, such as the packing material in brickmaking, road metal, the bituminous paving or using the manufacturing hydraulic cement.Above-mentioned burning boiler be used for substituting existing much single, arrange incinerator more and can produce very big social benefit and economic benefit.If the employing water tank is 10 tons burning boiler design, per hour can handle the rubbish more than 20 tons at least, particularly be suitable for the municipal refuses that need handle in a large number now.This burning boiler needs comburant oxygen, can build an oxygen installation near burning boiler, is used to provide mixed oxygen or oxygen enrichment.
Claims (10)
1. city garbage burning boiler, comprise boiler body (1), water tank (2), combustion chamber (3), charging aperture (4), slag notch (5), flying dust outlet (6), it is characterized in that: the combustion chamber is provided with the burning plate (7) consistent with the combustion chamber width, burning plate (7) is 10 °-40 ° with horizontal plane angle, burn plate (7) combustion chamber (3) are divided into combustion chamber (8) and combustion-supporting chamber (9), charging aperture (4) is communicated with combustion chamber (8), charging aperture (4) export be arranged on burning plate (7) high-end above, slag notch (5) joins with burning plate (7) low side, flying dust outlet (6) is communicated with combustion chamber (8), and flying dust outlet (6) is provided with air heat-absorbing device (10), and its efferent duct is communicated with combustion adjuvant pipeline (31); Also be provided with start-up burner (11) in the combustion chamber (8); Burning plate (7) is fluted body, burn plate and have through hole (12), the upper shed (32) of through hole (12) is being burned on the plate surface, and under shed (33) is burning the plate bottom surface, combustion-supporting chamber (9) is by through hole (12) and combustion chamber (8)) be communicated with, the opening of under shed (33) is greater than upper shed (32); Combustion-supporting chamber (9) is provided with combustion adjuvant nozzle (15); Slag notch (5) links to each other with conveying worm (16) sealing.
2. according to the described city garbage burning boiler of claim 1, it is characterized in that: burn the plate both sides and be provided with oxygen therapy pipeline (13), oxygen therapy pipeline (13) is provided with nozzle (14), nozzle (14) is opened on and burns on the plate surface, nozzle (14) tilts to burning plate (7) low side, and the angle b that forms with oxygen therapy pipeline (13) is 15 °-70 °.
3. according to the described city garbage burning boiler of claim 2, it is characterized in that: the through hole (12) that burning plate (7) has is for a plurality of, and through hole (12) upper shed (32) center and under shed (33) line of centres are 15 °-60 ° with burning base plate plane angle c.
4. according to the incinerator of claim 1 or 2 or 3 described city garbage burnings processing, it is characterized in that: burn plate (7) and make by exotic material.
5. according to the described city garbage burning boiler of claim 4, it is characterized in that: conveying worm (16) is from the horizontal by being obliquely installed conveying worm (16) and cross current.
6. the incinerator that city garbage burning according to claim 5 is handled, it is characterized in that: combustion chamber (8) water tank wall is provided with endothermic tube (34).
7. the incinerator that city garbage burning according to claim 6 is handled is characterized in that: nozzle (14) is 30 ° with the angle b that oxygen therapy pipeline (13) forms.
8. the incinerator that city garbage burning according to claim 7 is handled is characterized in that: burning plate (7) is 25 ° with horizontal plane angle.
9. according to the described city garbage burning boiler of claim 4, it is characterized in that: also comprise a drying device (19), comprise hothouse (20), described hothouse (20) top is provided with rubbish belt feeder (21), be provided with drier (22) in the hothouse (20), the hothouse top is provided with air draft pipe (23); Drier (22) is made of snake pipe, inlet end (24) and exhaust end (25); Hothouse base plate (26) becomes to be obliquely installed with horizontal plane, is connected with charging aperture (4); Be provided with rubbish vibrator (29) below the hothouse base plate (26); Described drying device (19) is higher than boiler body (1), is connected with charging aperture (4) sealing.
10. according to the described city garbage burning boiler of claim 9, it is characterized in that: drier (22) inlet end (24) is communicated with jet chimney (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201500321U CN202040816U (en) | 2011-05-10 | 2011-05-10 | Municipal waste incineration boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201500321U CN202040816U (en) | 2011-05-10 | 2011-05-10 | Municipal waste incineration boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202040816U true CN202040816U (en) | 2011-11-16 |
Family
ID=44968257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201500321U Expired - Fee Related CN202040816U (en) | 2011-05-10 | 2011-05-10 | Municipal waste incineration boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202040816U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183025A (en) * | 2011-05-10 | 2011-09-14 | 李凤山 | Urban garbage incinerating boiler |
| CN106509968A (en) * | 2016-11-29 | 2017-03-22 | 黄俊柳 | Tobacco curing stove achieving secondary combustion |
-
2011
- 2011-05-10 CN CN2011201500321U patent/CN202040816U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183025A (en) * | 2011-05-10 | 2011-09-14 | 李凤山 | Urban garbage incinerating boiler |
| CN102183025B (en) * | 2011-05-10 | 2012-11-21 | 李凤山 | Urban garbage incinerating boiler |
| CN106509968A (en) * | 2016-11-29 | 2017-03-22 | 黄俊柳 | Tobacco curing stove achieving secondary combustion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102183025B (en) | Urban garbage incinerating boiler | |
| CN101963356B (en) | Combustion system of vertical incinerator for household refuse suitable for power generation and control method thereof | |
| CN103953931B (en) | Incineration cracking type innocent garbage treatment device and process | |
| CN100565009C (en) | Can realize the garbage burning processing method and the device of dioxin and dust zero discharge | |
| CN108300516A (en) | Coal-burning power plant handles the process system of house refuse using plasma gasification furnace collaboration | |
| CN2521499Y (en) | Garbage incinerator | |
| CN101761928A (en) | Incineration treatment method for domestic refuse | |
| CN102537975A (en) | Circulating fluidized bed garbage incineration boiler and pollution control system with same | |
| CN107120658A (en) | A kind of chamber isolated small-sized rubbish pyrolytic gasification combustion furnace | |
| CN206094112U (en) | Sludge incineration system | |
| CN201184597Y (en) | Refuse burning processing apparatus capable of implementing zero discharge of dioxins and powder dust | |
| CN108826310A (en) | A kind of segmented small refuse incinerator | |
| CN206944164U (en) | Chamber isolated small-sized rubbish pyrolytic gasification combustion furnace | |
| CN101782236A (en) | Method and device capable of inhibiting refuse incineration from generating dioxins | |
| CN102242935A (en) | Novel garbage and biomass fuel combustion furnace and combustion method | |
| CN103672909B (en) | A kind of Combined garbage multi-layer high-temperature burns innoxious energy source device | |
| CN105258126A (en) | Environment-friendly waste incinerator | |
| CN105276587A (en) | Garbage incineration disposal method | |
| CN202040816U (en) | Municipal waste incineration boiler | |
| CN106524176A (en) | Waste gasification melting combustion system | |
| CN208750725U (en) | Segmented small refuse incinerator | |
| WO2010151094A1 (en) | Solid fuel combustion method and device | |
| CN108870398B9 (en) | Small-sized household garbage incinerator | |
| CN208562252U (en) | Coal-burning power plant handles the process system of house refuse using plasma gasification furnace collaboration | |
| CN106765123B (en) | High-capacity garbage high-temperature gasification jet combustion system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20111116 Termination date: 20170510 |