CN2793564Y - Reactive furnace for pyrolyzing organic waste under high-temperature with steam plasma - Google Patents
Reactive furnace for pyrolyzing organic waste under high-temperature with steam plasma Download PDFInfo
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- CN2793564Y CN2793564Y CN 200520057812 CN200520057812U CN2793564Y CN 2793564 Y CN2793564 Y CN 2793564Y CN 200520057812 CN200520057812 CN 200520057812 CN 200520057812 U CN200520057812 U CN 200520057812U CN 2793564 Y CN2793564 Y CN 2793564Y
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- Prior art keywords
- plasma
- furnace
- debirs
- separating
- reacting furnace
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- 239000010815 organic waste Substances 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims abstract description 7
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 23
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 5
- 239000003440 toxic substance Substances 0.000 abstract description 3
- 231100000614 poison Toxicity 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 8
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000002906 medical waste Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000197 pyrolysis Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001473 noxious effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 231100000086 high toxicity Toxicity 0.000 description 2
- 208000006278 hypochromic anemia Diseases 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 231100000167 toxic agent Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- -1 chloros dibenzofurans Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002240 furans Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000001524 infective effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 150000002896 organic halogen compounds Chemical class 0.000 description 1
- NFBOHOGPQUYFRF-UHFFFAOYSA-N oxanthrene Chemical compound C1=CC=C2OC3=CC=CC=C3OC2=C1 NFBOHOGPQUYFRF-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Plasma Technology (AREA)
Abstract
The utility model relates to a reaction furnace for the vapor plasma pyrolyzing the organic waste under the high-temperature condition. The utility model comprises a furnace body, wherein the furnace body is provided with a plasma torch extending the inner part of the furnace body. The furnace wall is provided with a feed inlet, a gas outlet and a quick cooling device connected with the gas outlet. The bottom of the furnace body is provided with a liquid-state slag outlet, and the furnace wall is also provided with a vapor inlet. Water vapor in the reaction furnace can be used as the working gas. The plasma torch can be arranged on a furnace cover, or the plasma torch can be arranged at the furnace wall in a vertical to the feed inlet way. The reaction furnace of the utility model has the advantage of large reaction space. The solid, semi-solid and liquid state organic waste all can be pyrolyzed by the plasma under the high-temperature condition. The utility model can not limit the water content and the components of the organics because of using water vapor as the working gas of the plasma, so that a user can not need to treat the organics in advance. Thus, running cost can be reduced. The plasma can pyrolyze the organic waste under the high-temperature condition to obtain reducibility and ignitability gases which mainly comprise the hydrogen gas and the carbon monoxide. Simultaneously, the plasma can restrain toxic substances from producing.
Description
[technical field]
The utility model relates to a kind of waste reduction and disposal equipment, is meant the warm reacting furnace of separating debirs of a kind of steam plasma height especially.
[background technology]
Along with industrial fast development, it is serious day by day that environmental pollution becomes.Artificial synthetic all kinds of chemical substance kinds increase just with surprising rapidity, wherein much are harmful or poisonous.For example, once as the Polychlorinated biphenyls (PCB) of high-tension transformer oil, highly toxic pesticide BHC, DDT etc. had high toxicity and high residue, can enrichment in human body and animal body by underground water and food chain, thus cause cancer and genetic mutation; As fluorine Lyons compounds of refrigerant and as the halide of solvent etc. is the arch-criminal of ozone hole, contains the refuse of the high toxicity highly infective of biotechnology, pesticide producing, hospital etc., then serious harm health.Problem how to handle these environmental contaminants has become the important topic of common concern in the world.Traditional landfill method and burning disposal method cause people's great attention because secondary pollution, migration effect and poor efficiency have been subjected to producing in the serious challenge, particularly burning process the secondary pollution problem of more highly toxic many chloros dibenzo dioxin (PCDDs) and many chloros dibenzofurans (PCDFs).
Along with increasingly extensive application and many difficult or special pollutant to the treatment effeciency higher requirement of various heat treatment technics on environmental contaminants are handled, conventional incineration technology shows its weak point gradually.Mounting cost height for example, dust is big, the thermal efficiency is not high, bulky, frequent switch etc., especially for polychlorinated biphenyl (PCB), difficulties such as fluorine Lyons class are cleared up halide-containing and biotechnology industry, agricultural chemicals, the special offal treatment of hospital etc., the treatment effeciency Chang Buneng of conventional fuel heat source technology reaches international specified standard (efficient of clearing up of PCB must be greater than 99.9999%), and plasma technique has very high treatment effeciency because of the high thermal conduction characteristic of its high temperature to pollutant, especially to difficult pollutant and specific (special) requirements pollutant, its advance further displays with superiority, become in the environmental contaminants process field the most rising, a most noticeable high-tech technology.
Have some patents at present both at home and abroad, disclose employing direct current plasma body technique, can handle the multiple refuse that comprises chemical weapons:
The direct current plasma body technique of U.S. Startech Envirolution, INC. development can be handled the multiple refuse that comprises chemical weapons, but technical sophistication, the equipment cost costliness.
No. the 5th, 280,757, the United States Patent (USP) of Cartel is with the arc-plasma municipal garbage that gasifies; No. the 4th, 431,612, No. the 4th, 644,877, the United States Patent (USP) of crust and Bel's United States Patent (USP) destroy Polychlorinated biphenyls (PCBs) etc. with arc-plasma, and these methods all need to change electrode, make cost higher.
The Chinese patent of Grimma, Germany adopts water vapor plasma atmosphere and direct current plasma body technique No. 89105527.4, the Chinese patent of Australian Union's science and industrial research tissue adopts inert gas plasma atmosphere and direct current plasma body technique No. 93103682.8, but reaction is only carried out in earthenware, reaction compartment is little, is not suitable for large-scale industrialization and uses.
The Chinese patent of Jusheng Fluorine Chemistry Co Ltd, Zhejiang adopts direct-current plasma technical finesse organohalogen compounds for No. 00128708.7, but this method is not suitable for handling clinical waste.
The Chinese patent of Wang Zhongyi, Huang Shaoqing adopts air direct-current plasma technical finesse clinical waste for 01206033.X number, but exists air capacity too much, and the tail gas amount is excessive, nitrogen oxide (NO
X) shortcoming that discharge capacity is big, moreover not adopting the slag technology, bottom ash has leachability, may produce secondary pollution.
The Chinese patent of Inst. of Mechanics, CAS adopts the direct-current plasma technical finesse clinical waste of oxygen atmosphere No. 200320121907.0, and adopts three plasma torch, certainly will cause the reduction greatly of the power supply thermal efficiency.Owing to adopt oxygen gas plasma, so the metal in the refuse is oxidized and can't reclaim, and contains just chromic innocuous substance simultaneously in the refuse and is oxidized to and contains just chromic extremely toxic substance, causes new pollution.
In sum, there are many shortcomings in existing plasma pyrolysis technology, as: technical sophistication, apparatus expensive, reaction compartment is little, electric conversion efficiency is low, and only with waste disposal, fails to realize the resource of refuse.
[utility model content]
Technical problem to be solved in the utility model is: provide a kind of steam plasma height the warm reacting furnace of separating debirs, its reaction compartment is big, operating cost is low.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: provide a kind of steam plasma height the warm reacting furnace of separating debirs, comprise a body of heater, on body of heater, also be provided with the plasma torch that stretches into body of heater inside, the quenching apparatus that the furnace wall is provided with charging aperture, gas vent and is connected with gas vent, bottom of furnace body is provided with liquid slag notch, also is provided with a steam inlet on the furnace wall, adopts water vapour as working gas in the reacting furnace.
Further improvement in the technical proposal is: this plasma torch is located on the bell, and it vertically stretches in the body of heater.
Further improvement in the technical proposal is: this plasma torch is arranged at the furnace wall, and vertical with charging aperture, and its oblique cutting is gone in the body of heater.
The beneficial effects of the utility model are: reacting furnace reaction compartment of the present utility model is big, solid-state, semisolid, liquid debirs all can be at high temperature through plasma pyrolysis, with an amount of steam reaction.Owing to adopt the working gas of water vapour as plasma in the reacting furnace, to organic water content and composition without limits, debirs need not preliminary treatment, have correspondingly reduced operating cost; What plasma high-temperature pyrolysis debirs were mainly comprised hydrogen and carbon monoxide has reproducibility and flammable gas, restrains the generation of noxious material simultaneously.
Below in conjunction with accompanying drawing the utility model is described in further detail.
[description of drawings]
Fig. 1 is the warm floor map of separating the reacting furnace of debirs of the utility model steam plasma height.
Fig. 2 is the warm floor map of separating the another kind of embodiment of reacting furnace of debirs of the utility model steam plasma height.
[specific embodiment]
As shown in Figure 1, the utility model relates to the warm reacting furnace of separating debirs of a kind of steam plasma height.Described reacting furnace is to adopt water vapour as working gas debirs to be changed into high-energy fuel gas, i.e. hydrogen and carbon monoxide.Described reacting furnace comprises a body of heater, and the body of heater cross section can be rectangle or circle, and furnace body inside is provided with refractory lining and heat-insulation layer, and there is refractory masses the bell inboard and the cooling water layer is arranged.Bell is provided with the plasma torch 1 that vertically gos deep in the stove, can adopt the direct-current plasma torch.The quenching apparatus 7 that on the furnace wall, is provided with charging aperture 2, gas vent 3 and is connected with gas vent 3, the bottom of furnace body side is provided with liquid slag notch 4, bottom of furnace body is provided with for plasma torch 1 and works in hearth electrode 5 under the transferred arc pattern, also be provided with a steam inlet 6 on the furnace wall, steam inlet is communicated with by a valve and vapour source.
As shown in Figure 2, it is the warm another kind of embodiment of reacting furnace of separating debirs of the utility model steam plasma height, the difference of itself and last embodiment is: this plasma torch 1 places the furnace wall, and on the orientation vertical with charging aperture 2, and oblique cutting is gone in the stove.
Reacting furnace of the present utility model can be worked under untransferable arc and transferred arc pattern.Under the untransferable arc pattern, produce between two electrodes of plasma in plasma torch 1; Under the transferred arc pattern, plasma produces between plasma torch 1 and bottom of furnace body electrode 5.This device can be operated under continuous or the discontinuous method of operation.
Reacting furnace reaction compartment of the present utility model is big, solid-state, semisolid, liquid debirs all can be at high temperature through plasma pyrolysis, with an amount of steam reaction.The utility model adopts slag technology, metal in the processed refuse and inorganic matter, for example metal in the clinical waste and glassware, need not therefrom to sort out, but through flowing out from liquid slag notch 4 after the melt process, processing procedure is simple and convenient, avoids the chance of secondary pollution.
Owing to adopt the working gas of water vapour in the reacting furnace as plasma, to organic water content and composition without limits, debirs need not preliminary treatment, make that the process of waste disposal is simple and convenient, usage ratio of equipment significantly improves, thereby has correspondingly reduced operating cost.Refuse is converted into the gas that mainly comprises hydrogen and carbon monoxide with the steam reaction, the high-energy fuel gas that gas can obtain cleaning after handling through the quenching of quenching apparatus 7, realize the resource of refuse, suppressed simultaneously to produce as noxious materials such as bioxin, and original whole noxious materials in the refuse, for example bioxin, furans, Polychlorinated biphenyls, high chlorine or many chlorine fat or aromatic substance obtain totally and eliminate completely.Because primary product hydrogen and carbon monoxide after refuse is handled through the utility model are reducibility gas, oxidation not only can not take place in the metal in the refuse, and recyclable regeneration, the existence of reducibility gas simultaneously makes and contains just chromic extremely toxic substance in the refuse and be reduced into and contain just chromic innocuous substance.Water vapour is not only cheap, and its enthalpy is also bigger, as the working gas of plasma generator, provides under the situation of identical energy, and required gas flow is little, is avoiding adopting air to produce a large amount of nitrogen oxide (NO as the working gas of plasma
X) when causing environmental pollution, need the gas flow of post processing also to significantly reduce, make the cost investment of equipment reduce.
Claims (10)
1, the warm reacting furnace of separating debirs of a kind of steam plasma height, it is characterized in that: comprise a body of heater, on body of heater, also be provided with the plasma torch that stretches into body of heater inside, the quenching apparatus that the furnace wall is provided with charging aperture, gas vent and is connected with gas vent, bottom of furnace body is provided with liquid slag notch, also be provided with a steam inlet on the furnace wall, adopt water vapour in the reacting furnace as working gas.
2, the warm reacting furnace of separating debirs of steam plasma height as claimed in claim 1, it is characterized in that: this plasma torch is located on the bell, and it vertically stretches in the body of heater.
3, the warm reacting furnace of separating debirs of steam plasma height as claimed in claim 1, it is characterized in that: this plasma torch is arranged at the furnace wall, and vertical with charging aperture, and its oblique cutting is gone in the body of heater.
4, as claim 1, the warm reacting furnace of separating debirs of 2 or 3 described steam plasma heights, it is characterized in that: be provided with two in the plasma torch and cooperatively interact and produce the electrode of plasma.
5, as claim 1, the warm reacting furnace of separating debirs of 2 or 3 described steam plasma heights, it is characterized in that: bottom of furnace body also is provided with and cooperates the electrode that produces plasma with plasma torch.
6, as claim 1, the warm reacting furnace of separating debirs of 2 or 3 described steam plasma heights, it is characterized in that: described plasma torch is the direct-current plasma torch.
7, as claim 1, the warm reacting furnace of separating debirs of 2 or 3 described steam plasma heights, it is characterized in that: the body of heater cross section is rectangle or circle.
8, as claim 1, the warm reacting furnace of separating debirs of 2 or 3 described steam plasma heights, it is characterized in that: furnace body inside is provided with refractory lining and heat-insulation layer.
9, as claim 1, the warm reacting furnace of separating debirs of 2 or 3 described steam plasma heights, it is characterized in that: the bell inboard is provided with refractory masses and cooling water layer.
10, as claim 1, the warm reacting furnace of separating debirs of 2 or 3 described steam plasma heights, it is characterized in that: steam inlet is communicated with by a valve and vapour source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520057812 CN2793564Y (en) | 2005-04-30 | 2005-04-30 | Reactive furnace for pyrolyzing organic waste under high-temperature with steam plasma |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520057812 CN2793564Y (en) | 2005-04-30 | 2005-04-30 | Reactive furnace for pyrolyzing organic waste under high-temperature with steam plasma |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2793564Y true CN2793564Y (en) | 2006-07-05 |
Family
ID=36820707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520057812 Expired - Fee Related CN2793564Y (en) | 2005-04-30 | 2005-04-30 | Reactive furnace for pyrolyzing organic waste under high-temperature with steam plasma |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2793564Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752585A (en) * | 2014-01-21 | 2014-04-30 | 李新华 | Organic waste materialization system and method |
| CN104896488A (en) * | 2015-06-29 | 2015-09-09 | 李梦燕 | System for treating waste incineration waste gas |
| CN105689379A (en) * | 2016-04-27 | 2016-06-22 | 陈杰 | Soil restoration method for removing organochlorine pesticide ingredients in farmland soil |
| CN105689380A (en) * | 2016-04-27 | 2016-06-22 | 陈杰 | A soil remediation device for removing organochlorine pesticide components in farmland soil |
| CN112944353A (en) * | 2021-04-22 | 2021-06-11 | 中科云越(北京)科技发展有限公司 | Thermal plasma waste incineration device |
| CN120890084A (en) * | 2025-09-30 | 2025-11-04 | 安徽省新能电气科技有限公司 | Plasma fly ash melting furnace and fly ash harmless treatment method thereof |
-
2005
- 2005-04-30 CN CN 200520057812 patent/CN2793564Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752585A (en) * | 2014-01-21 | 2014-04-30 | 李新华 | Organic waste materialization system and method |
| CN103752585B (en) * | 2014-01-21 | 2016-03-16 | 李新华 | Organic matter rubbish materialization system and physical chemistry method |
| CN104896488A (en) * | 2015-06-29 | 2015-09-09 | 李梦燕 | System for treating waste incineration waste gas |
| CN104896488B (en) * | 2015-06-29 | 2016-08-24 | 青岛艳阳天环保有限公司 | A kind of system processing waste gas generated by burning garbage |
| CN105689379A (en) * | 2016-04-27 | 2016-06-22 | 陈杰 | Soil restoration method for removing organochlorine pesticide ingredients in farmland soil |
| CN105689380A (en) * | 2016-04-27 | 2016-06-22 | 陈杰 | A soil remediation device for removing organochlorine pesticide components in farmland soil |
| CN105689379B (en) * | 2016-04-27 | 2018-09-21 | 河南柏裕植物免疫科技有限公司 | The soil remediation method of organo-chlorine pesticide ingredient in a kind of removal agricultural land soil |
| CN105689380B (en) * | 2016-04-27 | 2018-11-06 | 博川环境修复（北京）有限公司 | A soil remediation device for removing organochlorine pesticide components in farmland soil |
| CN112944353A (en) * | 2021-04-22 | 2021-06-11 | 中科云越(北京)科技发展有限公司 | Thermal plasma waste incineration device |
| CN120890084A (en) * | 2025-09-30 | 2025-11-04 | 安徽省新能电气科技有限公司 | Plasma fly ash melting furnace and fly ash harmless treatment method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060705 Termination date: 20100430 |