CN201155745Y - Granular fuel combustion apparatus - Google Patents
Granular fuel combustion apparatus Download PDFInfo
- Publication number
- CN201155745Y CN201155745Y CNU2008200786495U CN200820078649U CN201155745Y CN 201155745 Y CN201155745 Y CN 201155745Y CN U2008200786495 U CNU2008200786495 U CN U2008200786495U CN 200820078649 U CN200820078649 U CN 200820078649U CN 201155745 Y CN201155745 Y CN 201155745Y
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- China
- Prior art keywords
- combustion
- wind
- chamber
- combustion chamber
- particle fuel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 131
- 239000000446 fuel Substances 0.000 title claims abstract description 60
- 239000002245 particle Substances 0.000 claims abstract description 17
- 239000003818 cinder Substances 0.000 claims description 9
- 238000007664 blowing Methods 0.000 abstract 1
- 239000002028 Biomass Substances 0.000 description 10
- 239000008187 granular material Substances 0.000 description 9
- 239000003344 environmental pollutant Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 239000007790 solid phase Substances 0.000 description 5
- 239000000470 constituent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000004227 thermal cracking Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000019241 carbon black Nutrition 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000001172 regenerating Effects 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
Images
Abstract
The utility model relates to a particle fuel combustion device, which comprises a shell, a feeding device, a combustion chamber arranged in the shell and a blowing device. The combustion chamber is divided into a flame combustion area and a stacking area; the stacking area is arranged on one side of the flame combustion area, the stacking area is provided with an air inlet and the flame combustion area is provided with a second air inlet. The combustion device provided by the utility model has the advantages of simple structure, convenient operation, wide application range, effectively reducing the incomplete combustion, high combustion efficiency and low discharge pollution.
Description
[technical field]
The utility model relates to a kind of particle fuel combustion device.
[background technology]
Biomass granule fuel is a kind of form of biomass solid fuel, being a kind of green, environmental protection (greenhouse gases zero-emission), regenerative resource, is that national policy encourage to be promoted and will replaced the new forms of energy product of traditional energy (coal, oil) from now in a large number.The outstanding combustion characteristics of biomass granule fuel is exactly its graininess, and contains very high fugitive constituent (generally about 70%).When biomass granule fuel burnt, fugitive constituent was heated and overflows rapidly, was difficult to complete after-flame under the condition of flammable composition wherein (CmHn, CO etc.) and anoxic not high enough at combustion reaction temperature, and cracking produces polluters such as a large amount of carbon blacks, tar on the contrary.Produce thick smoke on the one hand, cause flue gas loss increase and air environmental pollution; These pollutants also can cause smoke evacuation not smooth attached on outlet flue and the heat-transfer surface on the other hand, and heat exchange efficiency reduces, and need often to remove these attachments.
The combustion technology of biomass granule fuel generally is divided at present: forward combustion (grate firing) mode, gasification, and combustion mode and reverse burning mode.
Forward combustion takes flame to burn above fuel, the mode that fuel adds above flame again.Be characterized in: meet the cognition of people to the burning form, burning structure is simple, and is easy to use; But during the biological substance for combustion granular fuel, be difficult to fully burning, thereby pollute.
Gasification, and combustion is taked fuel to carry out earlier imperfect combustion under anaerobic environment and is produced fuel gas, fuel gas is drawn the mode of burning again.This combustion system easily produces liquid pollutant, so national environmental protection department represents that clearly under the condition that pollutant can't be handled, this combustion technology should not be promoted.
Reverse burning takes flame to burn in front, and the mode that fuel adds later at flame relatively is fit to the biological substance for combustion granular fuel, and sufficient combustion, and pollutant emission level is low.The reverse burning mode roughly can be divided into again at present: 1) double combustion chamber's version: cup is the solid phase combustion chamber, and back chamber is the gas-phase combustion chamber.Fuel is subjected to thermal cracking to produce fuel gas at cup, and fuel gas enters the chamber, back and burns.This structure is generally taked to increase chimney or installs air-introduced machine additional to carry out negative-pressure firing, because the graininess of biomass granule fuel causes performance of ventilating relatively poor, so this structure is not suitable for the biological substance for combustion granular fuel; The great weakness of this structure is: have easy scaling loss position.2) watch material version under the spiral pushing tow: this structure generally adopts forced-air blast to carry out pressure combustion, can regulate feeding coal and air quantity is controlled burning velocity, easily realizes control automatically, is fit to the biological substance for combustion granular fuel; Shortcoming is: granular fuel is very easily pulverized in break-in pushing tow extrusion process, and should not maximize.
Because a large amount of uses of biomass granule fuel, all there is different weakness again in above-mentioned combustion technology, therefore, is necessary to provide a kind of simple in structure, easy to use, and applicability is extensive, and discharging is low pollutes, and enables the novel burner of completing combustion.
[summary of the invention]
Technical problem to be solved in the utility model is, a kind of device of realizing biomass granule fuel completing combustion is provided, and is not only simple in structure, easy to operate, the scope of application is extensive, and can effectively reduce the incomplete combustion phenomenon, improve efficiency of combustion, reduce pollutant emission.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of particle fuel combustion device, comprise, housing, feeding device, the combustion chamber that is positioned at housing and air-supply arrangement, described combustion chamber is divided into flame combustion district and stockpiling area, described stockpiling area is positioned at a side in flame combustion district, described stockpiling area place is provided with wind inlet one time, and place, described flame combustion district is provided with the secondary wind inlet.
Further, described feeding device is made of feeding port that is arranged at case top and the combustion chamber charging aperture that is arranged on the stockpiling area of combustion chamber.
Further, described combustion chamber charging aperture is a wind inlet simultaneously.
Further, described feeding device is made of screw feeding device that is positioned at combustion chamber stockpiling area one side and the feeding port that is arranged on the described screw feeding device.
Further, be distributed with the wind hole on the diapire of described combustion chamber stockpiling area, described wind hole is a wind inlet.
Further, the wall of described flame combustion chamber combustion zone is provided with the wind hole, and described wind hole is the secondary wind inlet.
Further, space between described housing and the combustion chamber in housing constitutes the wind chamber, wind chamber near the stockpiling area place is a wind chamber, wind chamber near place, flame combustion district is secondary wind chamber, be connected with secondary air channel between wind chamber and the secondary wind chamber, secondary air channel is provided with the secondary air flow adjusting device.
Further, described combustion chamber is provided with scarfing cinder and igniter near a side of stockpiling area, and described lower housing portion is provided with deashing device.
Further, described housing is provided with finder.
Further, described air-supply arrangement comprises air inlet, the air blast that is connected with air inlet and volume adjusting apparatus.
Further, described feeding port top is connected with and stores feeding device, both junctions are provided with feeding adjusting device.
Above-mentioned granular fuel refers in particular to biologic grain fuel.
The beneficial effects of the utility model are:
Simple in structure, easy to operate, burn more abundant, improved efficiency of combustion, discharging is low pollutes, the scope of application is extensive.
[description of drawings]
Fig. 1 is the transverse sectional view of the utility model embodiment 1;
Fig. 2 is the A-A cutaway view of the utility model embodiment 1;
Fig. 3 is the structural representation of the utility model embodiment 2;
Fig. 4 is the B-B cutaway view of the utility model embodiment 2.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, the combustion chamber, 2, sealing ring, 3, mounting flange, 4, housing, 4a, procapsid, 4b, back casing, 5, air blast, 6, feeding adjusting device, 7, store feeding device, 8, feeding port, 9, finder, 10, volume adjusting apparatus, 11, air outlet, 12, a wind inlet (combustion chamber charging aperture), 12a, a wind hole, 13, the wind chamber, 13a, a wind chamber, 14, multifunction gate, 15, deashing device, 16, stockpiling area, 17, secondary air channel, 18, secondary wind adjusting device, 19, secondary wind chamber, 20, secondary air hole, 21, the flame combustion district, 22, driven sprocket, 23, chain, 24, the housing adpting flange, 25, screw feeding device adpting flange, 26, the screw feeding device, 27, scarfing cinder and igniter handle, 28, scarfing cinder and ignition channel, 29, buncher and drive sprocket, 30, motor cabinet.
[specific embodiment]
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
Embodiment one
Of the present utility model a kind of embodiment as shown in Figure 1 and Figure 2, the combustion chamber 1 of particle burning device is positioned at the inside of housing 4, combustion chamber 1 is divided into flame combustion district 21 and stockpiling area 16, stockpiling area 16 is positioned at a side adjacent with flame combustion district 21, the top of stockpiling area 16 is provided with a wind inlet (combustion chamber charging aperture) 12, a wind inlet is the combustion chamber charging aperture simultaneously, the wall of described flame combustion chamber combustion zone 21 is provided with secondary air hole 20, and described secondary air hole 20 is the secondary wind inlet.
Space between between housing 4 and the combustion chamber in housing 1 constitutes the wind chamber, wind chamber near the stockpiling area place is a wind chamber 13a, wind chamber near place, flame combustion district is secondary wind chamber 19, be connected with secondary air channel 17 between wind chamber 13a and the secondary wind chamber 19, secondary air channel 17 is provided with secondary air flow adjusting device 18.
Combustion chamber charging aperture (wind inlet) 12 and the feeding port 8 common formation feeding devices that are arranged at housing 4 tops, feeding port 8 tops are connected with and store feeding device 7, feeding port 8 is provided with feeding adjusting device 6 with the junction that stores feeding device 7.Store feeding device 7 and be provided with separately, it can be designed as spiral pushing tow feed form, also can be designed to mechanical material toggling feed form, also can be designed to manual gravity supply form.The user can be according to what of funds, the factors such as level that automation, mechanization require, flexible design, apolegamy.
Granular fuel falls into stockpiling area 16 through feeding port 8 by gravity, and feeding port 8 is provided with feeding adjusting device 6 with storing feeding device 7 junctions, in order to regulate the inlet amount of granular fuel.Owing to do not have break-in extrusion process in the feeder process, easily be extruded the shortcoming of pulverizing thereby overcome granular fuel.Stockpiling area 16 and storing between the feeding device 7 is separated with wind chamber 13a upper space and feeding port 8; Even meet accident-and burn to granular fuel stockpiling area 16 as flame is reverse, also can not burn granular fuel and store feeding device 7, so security is ensured.
The combustion chamber is provided with the multifunction gate 14 that can open easily, close near a side of stockpiling area 16, and the slagging scorification that igniting and cleaning burning are produced is more convenient.Housing 4 bottoms are provided with deashing device 15, and described deashing device is a shoot door, can be used for removing easily the dust stratification in the combustion apparatus.
On housing 4, be provided with finder 9 with described combustion chamber charging aperture (wind inlet) 12 corresponding sections, thereby can observe the accumulation situation of living granular fuel easily at stockpiling area 16 places, be convenient to regulate more accurately the feed amount of granular fuel.
The volume adjusting apparatus 10 that is positioned at the air inlet 11 of case top, the air blast 5 that is connected with air inlet 11 and is positioned at both junctions constitutes air-supply arrangement.
Housing 4 is provided with mounting flange 3 and sealing ring 2, thereby can burner of the present utility model is convenient, be securely fixed on the equipment of being heated (as boiler), and has guaranteed burner and be heated sealing between the equipment.
The fundamental of influence burning is: the temperature of burning, and an amount of air is supplied with, and fully the mixing of air and combustible; Temperature is high more, and air is an amount of more, and air is abundant more with mixing of combustible, then helps burning more.The burner of the realization biomass granule fuel completing combustion that the utility model is described, novel, realize simple and easyly, the scope of application is extensive, can give full play to the effect of each key element of burning, and makes the burning of biomass granule fuel more abundant, uses more easy.
During use, granular fuel is through feeding port 8, combustion chamber charging aperture (wind inlet) 12, fall under gravity into stockpiling area 16, light and lean on the into fuel at 21 places, flame combustion district in the stockpiling area 16, air is blown into combustion chamber stockpiling area 16 through a wind inlet 12 simultaneously, with carry out primary combustion after granular fuel mixes, be subjected to thermal cracking to cause fugitive constituent to overflow in a large number after the fuel primary combustion, and gradually the raw material layer of back is lighted, at wind and continuously under the effect of side feed, keep the solid phase combustion zone to be stabilized in the near interface in stockpiling area 16 and flame combustion district 20.
The primary combustion product that the solid phase combustion zone produces is blown into flame combustion district 21 under a wind action; Be covered with intensive secondary air hole 20 around this zone wall, secondary wind is blown into flame combustion district 21 through secondary wind chamber 19, secondary air channel 17, secondary air hole 20, fully mixes with the primary combustion product and carries out second-time burning.
Above-mentioned granular fuel refers in particular to biologic grain fuel.The heatproof heat-insulating material is adopted in combustion chamber 1, and the heat that makes burning produce is assembled, thereby has guaranteed the condition of enough ignition temperatures in the component of combustion.
Embodiment two
As Fig. 3, Figure 4 shows that another kind of embodiment of the present utility model.The main difference part of present embodiment and embodiment one is:
Housing is made of procapsid 4a and back casing 4b.Combustion chamber 1 is positioned at procapsid 4a.Be connected by housing adpting flange 24 between procapsid 4a and the back casing 4b, the space between procapsid 4a and the combustion chamber constitutes wind chamber 13; Procapsid 4a is provided with the air-supply arrangement that is made of air outlet 11, the air blast 5 that is connected with air outlet 11 and the volume adjusting apparatus 10 that is arranged at both junctions.
Be distributed with the wind hole on the diapire of combustion chamber stockpiling area 16, described wind hole is a wind inlet, i.e. a wind hole 12a.The wall of flame combustion chamber combustion zone 21 is provided with the wind hole, and described wind hole is the secondary wind inlet, and promptly secondary air hole 20.
The feeding device of particle fuel combustion device is made of screw feeding device 26 that is positioned at combustion chamber stockpiling area one side and the feeding port 8 that is arranged on screw feeding device 26 housings, and screw feeding device 26 is connected with back casing 4b by screw feeding device adpting flange 25.Feeding port 8 is connected with storage feeding device 7, and both junctions are provided with feeding adjusting device 6.The housing of screw feeding device 26 is provided with motor cabinet 30, and buncher and drive sprocket 29 are installed on the motor cabinet 30, and the axle head of screw feeding device 26 is provided with driven sprocket 22, is provided with chain 23 between buncher and drive sprocket 29 and the driven sprocket 22.
Storing feeding device 7 is external devices of present embodiment, and the user can design as the case may be, match.Granular fuel enters feeding port 8 through feeding adjusting device 6, pushes stockpiling area 16 through screw feeding device 26 again, owing to do not have break-in extrusion process in the feeder process, easily is extruded the shortcoming of pulverizing thereby overcome granular fuel.Feeding adjusting device 6 is in order to open or to close the supply of granular fuel.Driven sprocket 22, chain 23, buncher and drive sprocket 29 constitute the power and the rate adjusted transmission system of screw feeding device 26; Can adjust the rotating speed of buncher according to the speed of burning, regulate the feeding rate of granular fuel, thereby guarantee stable, the supply quantitatively of granular fuel.
Combustion chamber 1 is provided with scarfing cinder and igniter near a side of stockpiling area 16, and it comprises scarfing cinder and ignition channel 28, and is arranged at scarfing cinder and igniting handle 27 in scarfing cinder and the ignition channel 28, can be used for lighting a fire easily and clearing up the burning slagging scorification.Lower housing portion is provided with deashing device 15, can remove the dust stratification in the combustion apparatus easily.Above auxiliary equipment makes that needn't dismantle burner can realize above-mentioned igniting, scarfing cinder, deashing function.
During use, granular fuel through feeding port 8, enter into screw feeding device 26, light and lean on the into fuel at 21 places, flame combustion district in the stockpiling area 16; Air blast 5 is blown into wind chamber 13 with air through volume adjusting apparatus 10, air outlet 24 simultaneously, and volume adjusting apparatus 10 is in order to the size of regulation and control air quantity; The air intensive wind hole 12a on stockpiling area 16 diapires that enters wind chamber 13 is blown into combustion chamber stockpiling area 16, with carry out primary combustion after granular fuel mixes, be subjected to thermal cracking to cause fugitive constituent to overflow in a large number after the fuel primary combustion, and gradually the raw material layer of back is lighted, at wind and continuously under the effect of side feed, keep the solid phase combustion zone to be stabilized in the near interface in stockpiling area 16 and flame combustion district 21.
The primary combustion product that the solid phase combustion zone produces is blown into flame combustion district 21 under a wind action; Be covered with intensive secondary air hole 20 around this zone wall, secondary wind is blown into flame combustion district 21 through secondary air hole 20, fully mixes with the primary combustion product and carries out second-time burning.
Claims (11)
1, a kind of particle fuel combustion device, comprise, housing, feeding device, the combustion chamber that is positioned at housing and air-supply arrangement, it is characterized in that: described combustion chamber is divided into flame combustion district and stockpiling area, described stockpiling area is positioned at a side in flame combustion district, described stockpiling area place is provided with wind inlet one time, and place, described flame combustion district is provided with the secondary wind inlet.
2, a kind of particle fuel combustion device as claimed in claim 1 is characterized in that: described feeding device is made of feeding port that is arranged at case top and the combustion chamber charging aperture that is arranged on the stockpiling area of combustion chamber.
3, a kind of particle fuel combustion device as claimed in claim 2 is characterized in that: described combustion chamber charging aperture is a wind inlet simultaneously.
4, a kind of particle fuel combustion device as claimed in claim 1 is characterized in that: described feeding device is made of screw feeding device that is positioned at combustion chamber stockpiling area one side and the feeding port that is arranged on the described screw feeding device.
5, as claim 1 or 2 or 4 described a kind of particle fuel combustion devices, it is characterized in that: be distributed with the wind hole on the diapire of described combustion chamber stockpiling area, described wind hole is a wind inlet.
6, as claim 1 or 2 or 3 or 4 described a kind of particle fuel combustion devices, it is characterized in that: the wall of described flame combustion chamber combustion zone is provided with the wind hole, and described wind hole is the secondary wind inlet.
7, as claim 1 or 2 or 3 or 4 described a kind of particle fuel combustion devices, it is characterized in that: the space between described housing and the combustion chamber in housing constitutes the wind chamber, wind chamber near the stockpiling area place is a wind chamber, wind chamber near place, flame combustion district is secondary wind chamber, be connected with secondary air channel between wind chamber and the secondary wind chamber, secondary air channel is provided with the secondary air flow adjusting device.
8, as claim 1 or 2 or 3 or 4 described a kind of particle fuel combustion devices, it is characterized in that: described combustion chamber is provided with scarfing cinder and igniter near a side of stockpiling area, and described lower housing portion is provided with deashing device.
9, as claim 1 or 2 or 3 or 4 described a kind of particle fuel combustion devices, it is characterized in that: described housing is provided with finder.
10, as claim 1 or 2 or 3 or 4 described a kind of particle fuel combustion devices, it is characterized in that: described air-supply arrangement comprises air inlet, the air blast that is connected with air inlet and volume adjusting apparatus.
11, as claim 2 or 3 or 4 described a kind of particle fuel combustion devices, it is characterized in that: described feeding port top is connected with and stores feeding device, both junctions are provided with feeding adjusting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200786495U CN201155745Y (en) | 2008-01-21 | 2008-01-21 | Granular fuel combustion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200786495U CN201155745Y (en) | 2008-01-21 | 2008-01-21 | Granular fuel combustion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201155745Y true CN201155745Y (en) | 2008-11-26 |
Family
ID=40103526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200786495U Expired - Lifetime CN201155745Y (en) | 2008-01-21 | 2008-01-21 | Granular fuel combustion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201155745Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216170B (en) * | 2008-01-21 | 2010-06-16 | 陈明 | Granular fuel combustion method and combustion apparatus |
| CN109506232A (en) * | 2018-11-16 | 2019-03-22 | 崔小勤 | A kind of burner and its method based on biomass boiler |
| CN109695870A (en) * | 2019-01-03 | 2019-04-30 | 崔小勤 | A kind of biomass boiler and its method of internal-circulation type |
-
2008
- 2008-01-21 CN CNU2008200786495U patent/CN201155745Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216170B (en) * | 2008-01-21 | 2010-06-16 | 陈明 | Granular fuel combustion method and combustion apparatus |
| CN109506232A (en) * | 2018-11-16 | 2019-03-22 | 崔小勤 | A kind of burner and its method based on biomass boiler |
| CN109506232B (en) * | 2018-11-16 | 2020-03-20 | 广州市杰胜机电科技有限公司 | Biomass boiler-based combustor and method thereof |
| CN109695870A (en) * | 2019-01-03 | 2019-04-30 | 崔小勤 | A kind of biomass boiler and its method of internal-circulation type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20081126 Effective date of abandoning: 20080121 |