CN205310902U - Biomass power generation fuel briquetting make -up machine - Google Patents
Biomass power generation fuel briquetting make -up machine Download PDFInfo
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- CN205310902U CN205310902U CN201521085809.5U CN201521085809U CN205310902U CN 205310902 U CN205310902 U CN 205310902U CN 201521085809 U CN201521085809 U CN 201521085809U CN 205310902 U CN205310902 U CN 205310902U
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- extrusion
- mould
- feeding warehouse
- chamber
- power generation
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Abstract
The utility model discloses a biomass power generation fuel briquetting make -up machine, including feeding storehouse and the extrusion room of setting in its below, the indoor extrusion roller combinatorial sum annular extrusion mode combination that is provided with of extrusion, the center that the extrusion roller set closed is provided with shaping compression roller axle, annular extrusion mode combination includes the extrusion mould of annular mould fixing device and some, extrusion is indoor, the top of shaping compression roller axle is provided with the feeding and prevents stifled agitator, the feeding is prevented the stirrer shaft of stifled whip and is fixed the top at shaping compression roller axle. The feeding prevents that stifled whip closes the synchronous revolution along with the extrusion roller set, stirs the biomass fuel who gets into the extrusion room, and the preventable is because of the crop straw texture is loose, the texture gently leads to the fact feeding not smooth and blocking phenomenon.
Description
Technical field
The utility model relates to a kind of biomass fuel processing unit (plant), refers to especially a kind of living beingsFuel used to generate electricity briquetting forming machine.
Background technology
Agricultural crop straw is very rich in natural resources of rural area, but most of stalk all burns on the spotBurn, both polluted environment and also wasted living resources. Stalk is as the reproducible living beings of oneThe energy, if can be made full use of the pollution that can greatly alleviate environment, can alleviate again fuelThe problem of resource anxiety. By agricultural crop straw through super-dry and pulverize after, in uniform temperature and pressurePower effect presses down granulation shape and the larger Novel clean-fuel of density, through processing afterGrain fuel has advantages such as being convenient to storage and transport, both can be used as rural households' heating and cookingWith energy, also can substitute coal, natural gas, fuel wet goods fossil energy as Industrial Boiler and send outPower Plant Fuel.
At present, a lot of to the research of fuel compact forming machine both at home and abroad, most of fuel compacts becomeType machine is for the biomass molding fuel processing of home furnace or miniature boiler, along with fuel compactReaching its maturity of forming machine technology, various countries have also proposed the requirement of oneself to environmental protection and energy saving, more nextThe fuel compact forming machine that is more raw material mainly with agricultural crop straw is developed gradually. According to processingMode, fuel compact forming machine is divided into flat-die briquetting forming machine, ring die briquetting forming machine, punching pressFormula forming machine, wherein most widely used ring die briquetting forming machine is divided into again vertical and horizontal two kindsType, is divided into according to pressure roller and the motion mode of ring mould that mould is moving, roller moving, the two moving three kinds of forms of mould roller,The more motion mode of application is the moving mode of roller at present.
Because the biomass material quality such as agricultural crop straw are loose, quality is light, in extrusion modlingIn journey, easily cause the smooth and clogging of charging. The moulding of existing biomass power generation fuel compactMachine does not arrange Anti-blocking structure, in operation process, easily stops up, must shut down in time intoRow is processed, and has had a strong impact on the production efficiency of forming machine, even to motor, extrusion modling chamber etc.Cause irreversible infringement.
Summary of the invention
The purpose of this utility model is to provide a kind of biomass power generation with anti-blockage functionFuel compact forming machine, can effectively prevent from occurring in process of production fed material from being blocked.
For achieving the above object, the designed biomass power generation fuel compact moulding of the utility modelMachine, comprises feeding warehouse and extrusion modling chamber is thereunder set, described extrusion modling is indoor establishesBe equipped with and be squeezed into forming roll combination and the combination of annular extrusion mould, described in be squeezed into forming roll and combineCenter be provided with forming press-roller axle, the combination of described annular extrusion mould comprises ring mouldThe extrusion molding dies of fixture and some, described extrusion modling is indoor, moulding is pressedThe top of roll shaft is provided with the anti-blocking agitator of charging, the stirrer shaft of the anti-blocking agitator of described chargingBe fixed on the top of forming press-roller axle. The anti-blocking agitator of described charging is same with being squeezed into forming roll combinationStep rotation, stirs the biomass fuel that enters extrusion modling chamber, can prevent because of cropsThe smooth and clogging of the charging that stalk quality is loose, quality is light and cause.
Preferably, between described feeding warehouse and extrusion modling chamber, be movable syndeton, therebyMake described feeding warehouse can open extrusion modling chamber so that maintenance without dismounting.
Preferably, described feeding warehouse can be and is rotatably connected or turns over respect to a side of extrusion modling chamberTurn syndeton, thereby make described feeding warehouse open extrusion modling chamber in the mode of rotation or upsetSo that maintenance.
Preferably, the top of both sides, described extrusion modling chamber is respectively arranged with feeding warehouse hinge and squeezesMolded chamber plug housing, bottom one side of described feeding warehouse is provided with feeding warehouse plug housing, described inOn feeding warehouse plug housing, be provided with feeding warehouse locking latch, described feeding warehouse is by feeding warehouse hingeHinged with extrusion modling chamber; When described feeding warehouse and extrusion modling chamber close, feeding warehouse plug housingConnect by feeding warehouse locking latch with extrusion modling chamber plug housing.
Preferably, also comprise for annular extrusion mould being combined to the mould liter heatingTemperature device. Mould heat riser adopts electrical heating, can in the situation that not starting shooting, make mouldThe temperature of combination reaches job requirement, while having reduced start, produces by material extruding temperature arrising caused by frictionRaw energy consumption and material loss, reduced the wearing and tearing of mould; When raw material water content is higher, also canIn fill process, by heating mould, raw material is dried.
Preferably, described mould heat riser be arranged on ring mould fixture top or underPortion.
Preferably, described extrusion molding dies includes on mould top, mould is gone to the bottom and middleSupport beam, described intermediate supports beam is vertically set on mould between top and mould go to the bottom, and by mouldOn tool, top, the mould space between going to the bottom is divided into two half ranges that are positioned at intermediate supports beam both sidesExtrusion modling passage. Described intermediate supports beam is divided into brace summer leading portion and support along its lengthBeam back segment, the angle of the axis O of the lateral surface of described brace summer leading portion and intermediate supports beamFor α, the angle of the symmetry axis O of the lateral surface of described brace summer back segment and intermediate supports beam is β,The lateral surface of push up on described mould, mould being gone to the bottom and the angle of axis O are γ, described α, β,γ meets following condition: β < alpha, gamma≤β≤γ+1 °. Each extrusion molding dies is solid at ring mouldDetermining device place is combined into annular and is fixed by ring mould fixture. When installation, phaseAdjacent two briquetting molds are together adjacent, make two half range extrusion modling passage groups between the twoSynthetic complete extrusion modling passage; Due to β < α, leading portion passage (full width) width is along combustionMaterial moving direction dwindles gradually, has larger gradient; Due to γ≤β≤γ+1 °, back segment is logicalRoad (full width) width remains unchanged (when β=γ) or changes very little (γ along fuel moving directionWhen the < β≤γ+1 °), substantially without gradient. When use, biomass fuel is (complete from leading portion passageWidth) entrance enter, in leading portion passage (full width), gather and push, more logical via back segmentRoad (full width) completes compression and sizing, because back segment passage (full width) is substantially without gradient, rawMaterial fuel can laterally not gathered compacting (when γ=β) or gather the width of compacting along passage thereinSpend very little (γ < β≤γ+1 ° time), therefore can form outer tight in pine, moulding that density is lessFuel. Traditional biomass fuel used to generate electricity briquetting forming machine adopts the extrusion forming mold of single order gradientTool, the biomass molding fuel inner tight processing, density large (0.8～1.3g/ml), mainBe used for substituting coal-fired home furnace or the miniature boiler supplied with, in CFBB, be difficult forForm stable fluidized-bed layer, be difficult to abundant burning, cannot meet biomass power generation ciculation fluidizedThe demand of bed boiler. This scheme adopts second order variable pitch extrusion molding dies, can overcome traditionThe above-mentioned defect of biomass power generation fuel compact forming machine, the outer tight interior pine producing, density areThe biomass molding fuel of little (0.6～1.0g/ml) is in biomass power generation CFBBBe easy to the fluidisation of seething with excitement, efficiency of combustion is high; Because reducing, the internal density of shaped fuel makes to squeeze simultaneouslyPressure resistance reduces, and operation power consumption and wearing and tearing reduce, and production efficiency is higher.
Preferably, described α, β meet following condition: 3 °≤alpha-beta≤7 °.
Preferably, described α, β meet following condition: alpha-beta=5 °.
Preferably, the length B of described brace summer leading portion length A and described brace summer back segment is fullFollowing condition: the A=B of foot.
Preferably, described β, γ meet following condition: β=γ. Now, back segment passage (full width)Width remains unchanged along biomass fuel moving direction, and biomass fuel therein can be along passageLaterally gather compacting.
The beneficial effects of the utility model are: this biomass power generation fuel compact forming machine is in extrudingIn forming room, the top of forming press-roller axle is provided with the anti-blocking agitator of charging, the anti-blocking stirring of chargingDevice, with being squeezed into forming roll combination synchronous rotary, carries out the biomass fuel that enters extrusion modling chamberStir, can prevent because agricultural crop straw quality is loose, the light charging causing of quality is smooth and stifledPlug phenomenon.
Brief description of the drawings
Fig. 1 is the structure of the designed biomass power generation fuel compact forming machine of the utility modelSchematic diagram.
Fig. 2 is that in Fig. 1, the combination of annular extrusion mould is shown with the structure that is squeezed into forming roll combinationIntention.
Fig. 3 is the schematic diagram that in Fig. 1, feeding warehouse rotarily opens.
Fig. 4 is the structural representation of extrusion molding dies in Fig. 2.
Fig. 5 is the structural representation that in Fig. 4, extrusion molding dies is laterally cut open along intermediate supports beamFigure.
Wherein: feeding warehouse 1, stirrer shaft 2, feeding warehouse locking latch 3, feeding warehouse latchSeat 4, extrusion modling chamber plug housing 5, annular extrusion mould combination 6, shaped fuel rowOutlet 7, motor 8, forming machine base 9, motor reel 10, motor pulley 11,Driving belt 12, forming press-roller Pulley shaft 13, forming press-roller belt pulley 14, lower case body15, forming press-roller axle lower bearing body 16, upper case body 17, forming press-roller axle 18, moulding are pressedRoller bearing body 19, extrusion modling chamber 20, feeding warehouse hinge 21, the anti-blocking agitator 22 of charging,Ring mould fixture 23, extrusion molding dies 24, be squeezed into forming roll combination 25, mouldOn heat riser 26, mould, push up 27, mould is installed dowel hole 28, intermediate supports beam 29,Brace summer leading portion 30, brace summer back segment 31, half range extrusion modling passage 32, leading portion passage 33,Back segment passage 34, mould go to the bottom 35
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figures 1 to 3, the designed biomass power generation fuel compact moulding of the utility modelMachine, comprises feeding warehouse 1, stirrer shaft 2, annular extrusion mould combination 6, moulding combustionMaterial outlet 7, motor 8, forming machine base 9, motor reel 10, motor pulley11, driving belt 12, forming press-roller Pulley shaft 13, forming press-roller belt pulley 14, lower machineCasing 15, forming press-roller axle lower bearing body 16, upper case body 17, forming press-roller axle 18, one-tenthType roller bearing body 19, extrusion modling chamber 20, the anti-blocking agitator 22 of charging, ring mould are solidDetermine device 23, extrusion molding dies 24, be squeezed into forming roll combination 25, mould heat riser 26.
Lower case body 15 is fixed on forming machine base 9 side by side with motor 8, upper case body17 be fixed on the top of lower case body 15, and extrusion modling chamber 20 is arranged on upper case body 17Top.
20 liang of extrusion modling chambers upper lateral part is respectively arranged with feeding warehouse hinge 21 and extrusion modling chamberPlug housing 5, feeding warehouse 1 is provided with corresponding to the bottom of a side of extrusion modling chamber plug housing 5Feeding warehouse plug housing 4, is provided with " L " shape feeding warehouse locking latch 3 on feeding warehouse plug housing 4,The opposite side of feeding warehouse 1 is hinged by feeding warehouse hinge 21 and extrusion modling chamber 20; Feeding warehouse1 while closing, is inserted into feed bin plug housing 4 by feeding warehouse locking latch 3 with extrusion modling chamber 20With in through hole in extrusion modling chamber plug housing 5, feeding warehouse 1 is locked to extrusion modling chamber 20On. As shown in Figure 3, when extrusion modling chamber 20 is because the reasons such as obstruction, roller wearing and tearing need be openedWhile maintenance, can open as follows feeding warehouse: 1) extract feeding warehouse locking latch 3,Feeding warehouse locking latch 3 is separated with feeding warehouse plug housing 4, extrusion modling chamber plug housing 5;2) feeding warehouse 1 is passed through to feeding warehouse hinge 21 axial rotation, make 20 tops, extrusion modling chamberOpen.
Forming press-roller axle lower bearing body 16 is arranged on the bottom of upper case body 17, forming press-roller axleHold body 19 and be arranged on the bottom of extrusion modling chamber 20. The lower end of forming press-roller axle 18 is connected toOn forming press-roller axle lower bearing body 16, upper end is crowded through being fixed on after forming press-roller bearing body 19The forming roll combination 25 center that is squeezed in molded chamber 20. Stirrer shaft 2 is arranged on andThe top of type pressure roller shaft 18, the anti-blocking agitator 22 of charging is fixed on the top of stirrer shaft 2.Forming press-roller Pulley shaft 13 is arranged on forming press-roller axle lower bearing body 16 belows and presses with mouldingThe lower end of roll shaft 18 is connected; Motor pulley 11 is arranged on the motor reel of motor 8On 10, forming press-roller belt pulley 14 is arranged on forming press-roller Pulley shaft 13, motorBelt pulley 11 is connected by driving belt 12 with forming press-roller belt pulley 14.
Annular extrusion mould combination 6, be squeezed into forming roll combination 25 and be arranged on extrusion modlingIn chamber 20. The combination 6 of annular extrusion mould is by ring mould fixture 23 and certainThe extrusion molding dies 24 of quantity forms, and ring mould fixture 23 comprises and is fixed on extrudingRing mould holder in forming room 20, and dismountable ring mould gland. ExtrudingMould 24 is placed on ring mould holder along ring in week, after pre-determined bit, ring mould is pressedLid is arranged on the top of extrusion molding dies 24, by bolt by ring mould holder, squeezeMolding die 24, ring mould gland three are tightened to entirety. Annular extrusion mouldCombination 6 rings are provided with shaped fuel outlet 7 (being the outlet of full width extrusion modling passage) week.Mould heat riser 26 adopts heating wire, and described heating wire is arranged on ring mould week along ring and pressesCover.
Being squeezed into forming roll combination 25 is installed on and in extrusion modling chamber 20, is positioned at the fixing dress of ring mouldPut in the space among 23 inner circles, by two be squeezed into forming roll and fixture thereof, adjustment fillsPut formation, do as a whole under the drive of motor 8 along with forming press-roller axle 18 rotates,In rotary course, living beings are combined to 6 shaped fuel outlet 7 from annular extrusion mouldMiddle extrusion. When extruding, except revolving round the sun along with forming press-roller axle 18, be squeezed into forming roll alsoCan be around its axis rotation under the effect of frictional force.
As shown in Figures 4 and 5, the extrusion molding dies 24 adopting in the present embodiment comprises mouldUpper top 27, mould are installed dowel hole 28, intermediate supports beam 29, half range extrusion modling passage32 and mould go to the bottom 35, on mould, push up 27 tops that are vertically set on intermediate supports beam 29,Mould 35 bottoms that are vertically set on intermediate supports beam 29 of going to the bottom, mould is installed dowel hole28 run through on mould, push up 27, intermediate supports beam 29 and mould go to the bottom 35. Intermediate supports beam 29Two ends be up and down separately positioned on mould, push up 27, mould is gone to the bottom 35 middle part, and by mouldThe space that upper top 27, mould are gone to the bottom between 35 is divided into and is positioned at intermediate supports beam 29 both sidesTwo half range extrusion modling passages 32. Intermediate supports beam 29 according to lateral surface angle difference along itLength direction is divided into brace summer leading portion 30 and brace summer back segment 31. Brace summer leading portion 30 lengthFor A, the length of brace summer back segment 31 is B, A=B. The lateral surface of brace summer leading portion 30 withThe angle of the axis O of intermediate supports beam 29 is α, the lateral surface of brace summer back segment 31 with inBetween the angle of symmetry axis O of brace summer 29 be β, on mould, push up 27, mould goes to the bottom 35The angle of the lateral surface of corresponding side and axis O is γ. L1 is leading portion passage 33 (half range)The width of arrival end, L3 is the width of back segment passage 34 (half range) port of export, L2 is leading portionThe channel width of passage 33 (half range), back segment passage 34 (half range) joint, leading portion passageThe width L2 at 33 two ends is less than L1 and is gradient. The width L3 at back segment passage 34 two ends withL2 equates to be without gradient, according to the known β=γ of geometrical relationship. Back segment passage 34 and leading portion passageAngle alpha-beta=5 ° of 33 sideline, inner sides.
The course of work of this biomass power generation fuel compact forming machine is as follows:
1) while preparation, will be fixed in extrusion molding dies ring week in ring mould holder, adjustWhole extrusion molding dies and the movement clearance that is squeezed into forming roll combination, be locked at extruding by feeding warehouseIn forming room, confirm that each workpiece is in normal condition; Open mould heat riser, makeThe operating temperature of annular extrusion mould combination reaches after 80～100 DEG C, can start shooting and carry outWork.
2) when operation, each parts normal rotation, broken agricultural crop straw feeding feeding warehouse, stirsMix device axle and equably broken agricultural crop straw is sent into extrusion modling chamber, by being squeezed into forming roll groupBroken agricultural crop straw is compressed to extrusion molding dies by the revolution of closing, and broken agricultural crop straw is logicalCross high pressure and high temperature and discharged by the extrusion modling passage of extrusion molding dies, make for biomass fermentationThe biomass molding fuel of electric boiler burning.
3) when maintenance maintenance, extract feeding warehouse locking latch out, feeding warehouse plug housing be squeezed intoType chamber plug housing separates, and feeding warehouse revolves in horizontal direction by feeding warehouse hinge and extrusion modling chamberTurn and open.
Claims (11)
1. a biomass power generation fuel compact forming machine, comprises feeding warehouse (1) and is arranged onThe extrusion modling chamber (20) of its below, is provided with and is squeezed in described extrusion modling chamber (20)Forming roll combination (25) and annular extrusion mould combination (6), described in be squeezed into forming roll and combine(25) center is provided with forming press-roller axle (18), described annular extrusion mould combination(6) comprise the extrusion molding dies (24) of ring mould fixture (23) and some,It is characterized in that: described extrusion modling chamber (20) is interior, establish the top of forming press-roller axle (18)Be equipped with the anti-blocking agitator of charging (22), the stirrer shaft of the anti-blocking agitator of described charging (22)(2) be fixed on the top of forming press-roller axle (18).
2. biomass power generation fuel compact forming machine according to claim 1, its featureBe: between described feeding warehouse (1) and extrusion modling chamber (20), be movable syndeton,Thereby make described feeding warehouse (1) without dismounting can open extrusion modling chamber (20) so thatMaintenance.
3. biomass power generation fuel compact forming machine according to claim 2, its featureBe: described feeding warehouse (1) is and is rotatably connected with respect to a side of extrusion modling chamber (20)Or turnover connection structure, thereby described feeding warehouse (1) is opened in the mode of rotating or overturnExtrusion modling chamber (20) is so that maintenance.
4. biomass power generation fuel compact forming machine according to claim 3, its featureBe: the top of both sides, described extrusion modling chamber (20) is respectively arranged with feeding warehouse hinge (21)With extrusion modling chamber plug housing (5), bottom one side of described feeding warehouse (1) is provided with chargingStorehouse plug housing (4), is provided with feeding warehouse locking latch (3) on described feeding warehouse plug housing (4),Described feeding warehouse (1) is hinged by feeding warehouse hinge (21) and extrusion modling chamber (20);When described feeding warehouse (1) and extrusion modling chamber (20) close, feeding warehouse plug housing (4) withExtrusion modling chamber plug housing (5) connects by feeding warehouse locking latch (3).
5. according to the biomass power generation fuel compact moulding described in any one in claim 1～4Machine, is characterized in that: also comprise for annular extrusion mould combination (6) is addedThe mould heat riser (26) of heat.
6. biomass power generation fuel compact forming machine according to claim 5, its featureBe: described mould heat riser (26) is arranged on the upper of ring mould fixture (23)Portion or bottom.
7. according to the biomass power generation fuel compact moulding described in any one in claim 2～4Machine, is characterized in that: described extrusion molding dies (24) comprises top (27), mould on mouldTool is gone to the bottom (35) and intermediate supports beam (29), and described intermediate supports beam (29) vertically arrangesOn mould, top (27) and mould are gone to the bottom between (35), and by top (27), mould on mouldThe space that tool is gone to the bottom between (35) is divided into and is positioned at two and half of intermediate supports beam (29) both sidesWidth extrusion modling passage (32), described intermediate supports beam (29) is divided into along its lengthSupport beam leading portion (30) and brace summer back segment (31), the outside of described brace summer leading portion (30)The angle of the axis O of face and intermediate supports beam (29) is α, described brace summer back segment (31)Lateral surface and the angle of the symmetry axis O of intermediate supports beam (29) be β, on described mould, push up(27), the go to the bottom lateral surface of (35) and the angle of axis O of mould be γ, described α, β,γ meets following condition: β < alpha, gamma≤β≤γ+1 °.
8. biomass power generation fuel compact forming machine according to claim 7, its featureBe: described α, β meet following condition: 3 °≤alpha-beta≤7 °.
9. biomass power generation fuel compact forming machine according to claim 7, its featureBe: described α, β meet following condition: alpha-beta=5 °
10. biomass power generation fuel compact forming machine according to claim 7, its featureBe: the length of described brace summer leading portion (30) length A and described brace summer back segment (31)Degree meets following condition: A=B for B.
11. biomass power generation fuel compact forming machines according to claim 7, its featureBe: described β, γ meet following condition: β=γ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085809.5U CN205310902U (en) | 2015-12-23 | 2015-12-23 | Biomass power generation fuel briquetting make -up machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085809.5U CN205310902U (en) | 2015-12-23 | 2015-12-23 | Biomass power generation fuel briquetting make -up machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205310902U true CN205310902U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521085809.5U Expired - Fee Related CN205310902U (en) | 2015-12-23 | 2015-12-23 | Biomass power generation fuel briquetting make -up machine |
Country Status (1)
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| CN (1) | CN205310902U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856612A (en) * | 2016-06-29 | 2016-08-17 | 覃天钊 | Straw particle forming machine |
| CN107952772A (en) * | 2017-11-28 | 2018-04-24 | 谢远平 | A kind of biological particles processing equipment of the high-efficiency environment friendly of new energy field |
| PL126787U1 (en) * | 2017-11-15 | 2019-05-20 | Nawrocki Boleslaw | Device for palletizing, preferably of biomaterials |
-
2015
- 2015-12-23 CN CN201521085809.5U patent/CN205310902U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856612A (en) * | 2016-06-29 | 2016-08-17 | 覃天钊 | Straw particle forming machine |
| PL126787U1 (en) * | 2017-11-15 | 2019-05-20 | Nawrocki Boleslaw | Device for palletizing, preferably of biomaterials |
| CN107952772A (en) * | 2017-11-28 | 2018-04-24 | 谢远平 | A kind of biological particles processing equipment of the high-efficiency environment friendly of new energy field |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20201223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |