CN201417061Y - Highly-efficient multi-purpose single-cone drier - Google Patents
Highly-efficient multi-purpose single-cone drier Download PDFInfo
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- CN201417061Y CN201417061Y CN2009201217049U CN200920121704U CN201417061Y CN 201417061 Y CN201417061 Y CN 201417061Y CN 2009201217049 U CN2009201217049 U CN 2009201217049U CN 200920121704 U CN200920121704 U CN 200920121704U CN 201417061 Y CN201417061 Y CN 201417061Y
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- drier
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Abstract
The utility model discloses a highly-efficient multi-purpose single-cone drier, which comprises a machine body, wherein the machine body is made up of an insulating layer and a heating layer, wherein,a heat medium passageway is arranged in the heating layer, and a heat medium inlet and a heat medium outlet communicated with outside are arranged on the passageway; the machine body is the conical machine body with a single cone, a spiral stirring paddle is arranged in the machine body, and the stirring paddle is driven by a motor on a bracket at the top part of the machine body to rotate. In aword, the utility model is an highly-efficient multi-purpose single-cone drier, overcomes the existent problem of the prior double-cone drier, has the advantages of uniform material heating, high heatefficiency, fast drying, high drying quality and convenient material input and output and cleaning and disinfection, and meet the GMP requirements, and can completely eradicate the phenomenon of piled dry material, thereby guaranteeing the drying speed and quality of materials.
Description
Technical field
The utility model relates to a kind of drier, particularly relates to a kind of efficient multi-purpose list awl drier.
Background technology
At present, China's drier type is more, and wherein using maximum is a kind of vacuum rotary dryer.
The vacuum rotary dryer is derived from double cone mixer, mostly be the cylindrical device body 1 of two taper ', also be commonly called as double cone dryer, its structure as shown in Figure 1, device body 1 ' middle part have hovering axle 21 in two ', 22 ', in order to the passage 3 of rotation support that equipment is provided and vacuum, hot water ' laying.
Device body 1 ' structure is thermal insulation layer 11 ' and zone of heating 12 ' inside and outside two-layer, zone of heating 12 ' in be provided with the thermal medium passageway.During use, as the steam of thermal medium or warm water by hovering axle 21 in the end ' enter zone of heating 12 ' the thermal medium passageway, again from zone of heating 12 ' other end hovering axle 22 ' blast pipe discharge, reclaim wherein solvent through condensation, and thing medicine tumble dried in container.
This equipment was developed by Shanghai Institute of Pharmaceutical Industry in the eighties in last century, and very fast obtaining in the whole nation promoted present domestic a plurality of manufacturing firms that have.
Find that after use for many years there is following problem in this structure drier:
1, arid cycle is long
Because of the general large volume device body 1 of equipment ' limited its rotating speed, in the chamber material stir that frequency is low directly to have caused rate of drying on the low side, generally need 12 hours to 48 hours even longer an arid cycle.
2, utilization rate of equipment and installations is low
For material can fully be stirred in cavity, guarantee drying effect, generally the inventory in the equipment cavity generally all is no more than 1/2 of device body total capacity when drying, causes the practical efficiency of equipment very low, has increased specific energy consumption in limit production efficiency.
3, be heated irregular
The zone of heating 12 of equipment ' and cavity in have the big temperature difference between air, the be heated inequality of material when drying, be difficult to guarantee even drying, the also just difficult quality requirement that reaches regulation of solvent residual amount.
4, easily lump
The mode of stirring of material is stirred for the formula of trackslipping is in heaps in the vacuum rotary dryer, the material caking phenomenon very easily occurs, need carry out secondary and pulverize and redrying.
In addition,, in the equipment cavity, generally all be provided with air current circulation, promptly when the device body rotates, operate, realize that air-flow flows fast in the cavity, improve drying effect toward wherein charging into dry gas and vacuum suction simultaneously for improving drying efficiency.But equipment setting at present is that gas normal-temperature directly enters inner chamber, can take away a large amount of heats when intracavity gas is taken away by vacuum, has reduced hot service efficiency and drying efficiency.
The utility model content
At the problems referred to above, the utility model has designed a kind of efficient multi-purpose list awl drier, have that material is heated evenly, thermal efficiency height, rate of drying is fast, dry mass is high, input and output material and cleaning-sterilizing easily characteristics, conform to characteristics such as GMP requirement, and can stop the appearance that dried material amasss the piece phenomenon fully, guaranteed the rate of drying and the dry mass of material.
For achieving the above object, the utility model is by the following technical solutions:
A kind of efficient multi-purpose list awl drier, comprise the device body, the device body is made up of thermal insulation layer and zone of heating, wherein be provided with the thermal medium passageway in the zone of heating, the passageway is provided with thermal medium import and the thermal medium outlet that is in communication with the outside, it is characterized in that: described device is provided with the spirality paddle as the conical device body of single head awl in the device body, and paddle is by the driven by motor rotation that is arranged on the device body top-support.
The I of distance between the bottom face of above-mentioned spiral paddle and the device body intracavity bottom is set to 2mm.
The direction of above-mentioned spirality paddle blade is oblique setting down.
Above-mentioned spirality paddle blade structural is the conveyor screw of one or the helical blade that split is provided with at interval.
Be provided with the thermal medium circulation canal that is in communication with the outside in the above-mentioned spirality paddle.
At first through paddle rotary main shaft head and through main shaft bottom, then the blade around the spirality paddle spirals up above-mentioned thermal medium circulation canal, is returned with extraneous thermal source by the rotary main shaft head at last and forms closed circuit.
Above-mentioned device also comprises an air current circulation on one's body, and air current circulation is communicated with the inlet duct that is positioned at device body bottom by the tracheae that is arranged in the thermal medium passageway, with tracheae, be arranged on the device body and the vacuum suction passage that is communicated with device body inner chamber is formed.
Above-mentioned tracheae is arranged on the outer top of device body with the import in the external world, and tracheae middle part pipeline descends around spiraling in the thermal medium passageway, and the tracheae outlet is stretched out by device body bottom and is connected with inlet duct.
Above-mentioned inlet duct is the annular solid of a band annular chamber, and described annular chamber is provided with an import at lateral wall and is communicated with tracheae, and annular chamber is provided with several air-filled pores at madial wall.
Above-mentioned drier also includes a spray-drying installation, and it is made up of the sprayer body that is positioned at device body outer liquid storing barrel, material conveying pipe and is positioned at device body top of chamber, and described sprayer body is provided with several discharge openings.
Above-mentioned discharge opening aperture is 0.5mm-2mm.
Material of the present utility model stirs paddle by built-in high rotating speed high pulling torque and rotates and realize, material mixing evenness height, energy consumption is low, rate of drying is fast, and the material loading amount during work can reach more than 80%.
Paddle blade of the present utility model adopts the oblique sped structure that is provided with down, when it rotates, can not only drive material to move together, can also be in rotation process the comminuting matter particle.Simultaneously, the sped structure setting of paddle blade, make it when rotating, can do ascending motion with the material of pulverizing, and when rising to the top, material under action of centrifugal force, flies upward the whereabouts, reach best stirring and drying effect, thereby realize the dry fast and efficiently speed and the pulverizing of material, and guaranteed the uniformity of dry completeness and material particular diameter.
Be provided with hot media channel in the sped structure of the utility model paddle, it can shorten the temperature difference of gas in zone of heating wall and the cavity.The sped structure of paddle uniqueness has been expanded its surface area greatly, and be consistent substantially because of paddle oar surface temperature and zone of heating temperature, this structural design makes the dry contact area of material particles increase considerably, effectively guaranteed when shortening the dry materials time, to improve dry mass, raising equipment service efficiency and reduce the material specific energy consumption, and can solve the residue problem of solvent in the dried material well.
In addition, the utility model also is provided with the gas flow that a dry gas stream EGR is used for promoters body inner chamber, and material is flown upward fully, and drying effect is better.At this, gas of the present utility model is not directly to fill into device body inner chamber, but enter by tracheae that is arranged in the thermal medium passageway and the inlet duct that is positioned at device body bottom successively, simultaneously the tracheae pipeline in the thermal medium passageway around spiraling, this structure is arranged so that the abundant preheating of gas, guarantee that gas temperature and zone of heating temperature when entering inner chamber are consistent substantially, taken away the thermal loss that Shi Buhui causes device body inner chamber by the vacuum suction passage, guaranteed best drying effect at it.And inlet duct is the annular solid of a band annular chamber, its annular chamber is provided with several air-filled pores at madial wall, the structural design that it is set to 2mm in conjunction with the tail end and the I of the distance between the intracavity bottom of paddle, the material that can effectively guarantee device body intracavity bottom can be stirred fully, does not stay the dead angle.
In addition, the utility model is provided with spray-drying installation, and liquid material is through preheating final vacuum suction drier inner chamber, and the discharge opening ejection from sprayer body is dispersed into superfine droplet under the effect of vacuum, can get rid of moisture rapidly at short notice and obtains drying.
Test data and show, the material loading amount the during work of the utility model efficient multi-purpose list awl drier reaches more than 80%, compares with 1/2 work loading amount of double cone dryer and vibration drying device, is greatly improved; And rate of drying is three times of existing double cone dryer, and the twice of vibration drying device has really been accomplished efficient, low energy consumption.
Description of drawings
The structural representation of Fig. 1, existing double cone dryer;
Fig. 2, structural representation of the present utility model;
Fig. 3, the utility model spirality paddle are provided with the structural representation of hot media channel;
The structural representation that Fig. 4, the utility model annulus trachealis spiral around the thermal medium passageway and be provided with.
The structural representation of Fig. 5, the utility model inlet duct;
The structural representation of Fig. 6, the utility model band spray-drying installation.
The specific embodiment
As shown in Figure 2, a kind of efficient multi-purpose list awl drier comprises device body 1, and device body 1 is made up of thermal insulation layer 11 and zone of heating 12, wherein be provided with thermal medium passageway 121 in the zone of heating 12, passageway 121 is provided with thermal medium import 122 and the thermal medium outlet 123 that is in communication with the outside.Described device body 1 is the conical device body of single head awl, and device body inner chamber 13 is provided with spirality paddle 2, and paddle 2 is by motor 4 driven rotary that are arranged on the device body top-support 3.
The I of distance between the bottom face of described spiral paddle 2 and device body inner chamber 13 bottoms is set to 2mm.The direction of the blade 21 of paddle 2 is oblique setting down.Blade 21 structures are the conveyor screw of one or the helical blade that split is provided with at interval, and in the present embodiment, blade is the conveyor screw of one.
As shown in Figure 3, be provided with the thermal medium circulation canal 5 that is in communication with the outside in the spirality paddle 2 of the present utility model.At first through paddle rotary main shaft 22 heads and through main shaft 22 bottoms, then the blade 21 around the spirality paddle spirals up, and is returned with extraneous thermal source 51 by rotary main shaft 22 heads at last and forms closed circuit in thermal medium circulation logical 5 roads.
Shown in Figure 4 and 5, also comprise an air current circulation on the device body 1, air current circulation is communicated with the inlet duct 62 that is positioned at device body 1 bottom by the tracheae 61 that is arranged in thermal medium passageway 121, with tracheae, be arranged on the device body and the vacuum suction passage 63 that is communicated with device body inner chamber 13 is formed.
Wherein tracheae 61 is arranged on device body 1 outer top with the import 611 in the external world, and tracheae 61 middle part pipelines descend around spiraling in thermal medium passageway 121, and tracheae outlet 612 is stretched out by device body 1 bottom and is connected with inlet duct 62.
Described inlet duct 62 is the annular solid of a band annular chamber 621, and described annular chamber is provided with an import 6211 at lateral wall and is communicated with tracheae 61, and annular chamber 621 is provided with several air-filled pores 6212 at madial wall.
As shown in Figure 6, drier also includes a spray-drying installation, it is made up of the sprayer body 73 that is positioned at device body outer liquid storing barrel 71, material conveying pipe 72 and is positioned at device body top of chamber, and described sprayer body 73 is provided with several discharge openings 731, and discharge opening 731 apertures are 0.5mm-2mm.At this, sprayer body 73 shapes can be set according to actual needs, and in the present embodiment, it adopts loop configuration.
At this, material of the present utility model stirs paddle 2 by built-in high rotating speed high pulling torque and rotates and realize, material mixing evenness height, energy consumption is low, rate of drying is fast, and the material loading amount during work can reach more than 80%.
Paddle blade of the present utility model 21 adopts the oblique sped structure that is provided with down, when it rotates, can not only drive material to move together, can also be in rotation process the comminuting matter particle.Simultaneously, the sped structure setting of paddle blade 21, make it when rotating, can do ascending motion with the material of pulverizing, and when rising to the top, material under action of centrifugal force, flies upward the whereabouts, reach best stirring and drying effect, thereby realize the dry fast and efficiently speed and the pulverizing of material, and guaranteed the uniformity of dry completeness and material particular diameter.
Be provided with thermal medium circulation canal 5 in the sped structure of the utility model paddle 2, it can shorten the temperature difference of gas in zone of heating 12 walls and the cavity 13.Simultaneously, the sped structure of paddle 2 uniquenesses has been expanded its surface area greatly, add that paddle 2 oar surface temperatures and zone of heating 12 temperature are consistent substantially, this structural design makes the dry contact area of material particles increase considerably, effectively guaranteed when shortening the dry materials time, to improve dry mass, raising equipment service efficiency and reduce the material specific energy consumption, and can solve the residue problem of solvent in the dried material well.
In addition, the utility model also is provided with the gas flow that a dry gas stream EGR is used for promoters body inner chamber 13, and material is flown upward fully, and drying effect is better.At this, gas of the present utility model is not directly to fill into device body inner chamber 13, but enter by tracheae 61 that is arranged in thermal medium passageway 121 and the inlet duct 62 that is positioned at device body 1 bottom successively, simultaneously tracheae 61 pipelines in thermal medium passageway 61 around spiraling, this structure is arranged so that the abundant preheating of gas, guarantee that gas temperature and zone of heating temperature 12 when entering inner chamber 13 are consistent substantially, guaranteed that it is taken away the thermal loss that Shi Buhui causes device body inner chamber 13 by vacuum suction passage 63, guaranteed best drying effect.And inlet duct is the annular solid of a band annular chamber 621, its annular chamber is provided with several air-filled pores 6212 at madial wall, the structural design that it is set to 2mm in conjunction with the tail end and the I of the distance between inner chamber 13 bottoms of paddle 2, the material that can effectively guarantee device body inner chamber 13 bottoms can be stirred fully, does not stay the dead angle.
In addition, the utility model is provided with spray-drying installation, and liquid material is through preheating final vacuum suction drier inner chamber 13, from discharge opening 731 ejections of sprayer body 73, under the effect of vacuum, be dispersed into superfine droplet, can get rid of moisture rapidly at short notice and obtain drying.
Test data and show, the material loading amount the during work of the utility model efficient multi-purpose list awl drier reaches more than 80%, compares with 1/2 work loading amount of double cone dryer and vibration drying device, is greatly improved; And rate of drying is three times of existing double cone dryer, and the twice of vibration drying device has really been accomplished efficient, low energy consumption.
The above, it only is better embodiment of the present utility model, be not that utility model is done any pro forma restriction, every foundation know-why of the present utility model still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations or modification that above embodiment did.At this, the utility model not only uses as drier, and it is equally applicable to pulverize, the mixing of multiple medicine, the distillation purification of liquid drug etc.
Eventually the above, the utility model is a kind of efficient multi-purpose list cone drier, has the thermal efficiency High, specific energy consumption is little, rate of drying is fast, dry mass is high and possess CIP on-line cleaning clothing and SIP The functional characteristics of online sterilization, and can effectively avoid material to amass the appearance of piece phenomenon, guaranteed material Dry mass, simultaneously drier is simple in structure, is convenient to maintenance.
Claims (10)
1, a kind of efficient multi-purpose list awl drier, comprise the device body, the device body is made up of thermal insulation layer and zone of heating, wherein be provided with the thermal medium passageway in the zone of heating, the passageway is provided with thermal medium import and the thermal medium outlet that is in communication with the outside, it is characterized in that: described device is provided with the spirality paddle as the conical device body of single head awl in the device body, and paddle is by the driven by motor rotation that is arranged on the device body top-support.
2, a kind of efficient multi-purpose list awl drier as claimed in claim 1 is characterized in that: the I of the distance between the bottom face of described spiral paddle and the device body intracavity bottom is set to 2mm.
3, a kind of efficient multi-purpose list awl drier as claimed in claim 1 or 2, it is characterized in that: the direction of described spirality paddle blade is oblique setting down.
4, a kind of efficient multi-purpose list awl drier as claimed in claim 1, it is characterized in that: described spirality paddle blade structural is the conveyor screw of one or the helical blade that split is provided with at interval.
5, as claim 1, the described a kind of efficient multi-purpose list awl drier of 2 or 4 arbitrary claims, it is characterized in that: be provided with the thermal medium circulation canal that is in communication with the outside in the described spirality paddle.
6, a kind of efficient multi-purpose list awl drier as claimed in claim 5, it is characterized in that: described thermal medium circulation canal is at first through paddle rotary main shaft head and through main shaft bottom, then the blade around the spirality paddle spirals up, and is returned with extraneous thermal source by the rotary main shaft head at last and forms closed circuit.
7, a kind of efficient multi-purpose list awl drier as claimed in claim 1, it is characterized in that: described device also comprises an air current circulation on one's body, and air current circulation is communicated with the inlet duct that is positioned at device body bottom by the tracheae that is arranged in the thermal medium passageway, with tracheae, be arranged on the device body and the vacuum suction passage that is communicated with device body inner chamber is formed.
8, a kind of efficient multi-purpose list awl drier as claimed in claim 7, it is characterized in that: described tracheae is arranged on the outer top of device body with the import in the external world, tracheae middle part pipeline descends around spiraling in the thermal medium passageway, and the tracheae outlet is stretched out by device body bottom and is connected with inlet duct.
9, as claim 7 or 8 described a kind of efficient multi-purpose list awl driers, it is characterized in that: described inlet duct is the annular solid of a band annular chamber, described annular chamber is provided with an import at lateral wall and is communicated with tracheae, and annular chamber is provided with several air-filled pores at madial wall.
10, a kind of efficient multi-purpose list awl drier as claimed in claim 1, it is characterized in that: described drier also includes a spray-drying installation, it is made up of the sprayer body that is positioned at device body outer liquid storing barrel, material conveying pipe and is positioned at device body top of chamber, described sprayer body is provided with several discharge openings, and the discharge opening aperture is 0.5mm-2mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009201217049U CN201417061Y (en) | 2009-06-03 | 2009-06-03 | Highly-efficient multi-purpose single-cone drier |
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| CN2009201217049U CN201417061Y (en) | 2009-06-03 | 2009-06-03 | Highly-efficient multi-purpose single-cone drier |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988799A (en) * | 2010-11-18 | 2011-03-23 | 太仓正信干燥设备科技有限公司 | Single spiral stirrer and single cone dryer with same |
| CN101988796A (en) * | 2010-11-19 | 2011-03-23 | 太仓正信干燥设备科技有限公司 | Single cone dryer with anchor stirrer |
| CN101988797A (en) * | 2010-11-19 | 2011-03-23 | 太仓正信干燥设备科技有限公司 | Single-cone dryer with progressive stirrer |
| CN101988790A (en) * | 2010-11-19 | 2011-03-23 | 太仓正信干燥设备科技有限公司 | Single cone dryer with progressive stirrer |
| CN101988788A (en) * | 2010-11-19 | 2011-03-23 | 太仓正信干燥设备科技有限公司 | Single-stacker dryer with single-helical stirrer |
| CN101995152A (en) * | 2010-11-18 | 2011-03-30 | 太仓正信干燥设备科技有限公司 | Anchor agitator and a single-cone dryer with same |
| CN101995153A (en) * | 2010-11-18 | 2011-03-30 | 太仓正信干燥设备科技有限公司 | Single-layer progressive stirrer and single cone drier provided with single-layer progressive stirrer |
| CN102062520A (en) * | 2010-11-19 | 2011-05-18 | 太仓正信干燥设备科技有限公司 | Single-cone dryer with single-layer progressive stirrer |
| CN102679713A (en) * | 2012-05-16 | 2012-09-19 | 南通诚信氨基酸有限公司 | Improved system of process for preparing pantoprazole |
| CN102735033A (en) * | 2012-06-18 | 2012-10-17 | 南京福昌环保有限公司 | Drying kettle |
| CN103196284A (en) * | 2013-04-08 | 2013-07-10 | 马锡林 | Granulating type single-cone dryer |
| CN103234334A (en) * | 2013-04-08 | 2013-08-07 | 马锡林 | Single-cone drier for feeding liquid continuously |
| CN109456545A (en) * | 2018-09-28 | 2019-03-12 | 格林美（武汉）城市矿产循环产业园开发有限公司 | A kind of low-purity PVC waste plastics recycling prepares plastic-wood section and preparation method thereof |
| CN112556445A (en) * | 2020-11-27 | 2021-03-26 | 张爱莲 | Raw material gas condensation dewatering device for industrial production |
| CN113340062A (en) * | 2021-06-26 | 2021-09-03 | 马铭甜 | Conical dryer |
-
2009
- 2009-06-03 CN CN2009201217049U patent/CN201417061Y/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995152A (en) * | 2010-11-18 | 2011-03-30 | 太仓正信干燥设备科技有限公司 | Anchor agitator and a single-cone dryer with same |
| CN101995153A (en) * | 2010-11-18 | 2011-03-30 | 太仓正信干燥设备科技有限公司 | Single-layer progressive stirrer and single cone drier provided with single-layer progressive stirrer |
| CN101988799A (en) * | 2010-11-18 | 2011-03-23 | 太仓正信干燥设备科技有限公司 | Single spiral stirrer and single cone dryer with same |
| CN102062520B (en) * | 2010-11-19 | 2013-01-02 | 太仓正信干燥设备科技有限公司 | Single-cone dryer with single-layer progressive stirrer |
| CN101988796A (en) * | 2010-11-19 | 2011-03-23 | 太仓正信干燥设备科技有限公司 | Single cone dryer with anchor stirrer |
| CN101988797A (en) * | 2010-11-19 | 2011-03-23 | 太仓正信干燥设备科技有限公司 | Single-cone dryer with progressive stirrer |
| CN101988790A (en) * | 2010-11-19 | 2011-03-23 | 太仓正信干燥设备科技有限公司 | Single cone dryer with progressive stirrer |
| CN101988788A (en) * | 2010-11-19 | 2011-03-23 | 太仓正信干燥设备科技有限公司 | Single-stacker dryer with single-helical stirrer |
| CN102062520A (en) * | 2010-11-19 | 2011-05-18 | 太仓正信干燥设备科技有限公司 | Single-cone dryer with single-layer progressive stirrer |
| CN101988796B (en) * | 2010-11-19 | 2012-06-27 | 太仓正信干燥设备科技有限公司 | Single cone dryer with anchor stirrer |
| CN101988788B (en) * | 2010-11-19 | 2012-07-25 | 太仓正信干燥设备科技有限公司 | Single-cone dryer with single-helical stirrer |
| CN101988790B (en) * | 2010-11-19 | 2013-06-05 | 太仓正信干燥设备科技有限公司 | Single cone dryer with progressive stirrer |
| CN102679713A (en) * | 2012-05-16 | 2012-09-19 | 南通诚信氨基酸有限公司 | Improved system of process for preparing pantoprazole |
| CN102735033A (en) * | 2012-06-18 | 2012-10-17 | 南京福昌环保有限公司 | Drying kettle |
| CN103196284A (en) * | 2013-04-08 | 2013-07-10 | 马锡林 | Granulating type single-cone dryer |
| CN103234334A (en) * | 2013-04-08 | 2013-08-07 | 马锡林 | Single-cone drier for feeding liquid continuously |
| CN103234334B (en) * | 2013-04-08 | 2015-04-01 | 马锡林 | Single-cone drier for feeding liquid continuously |
| CN109456545A (en) * | 2018-09-28 | 2019-03-12 | 格林美（武汉）城市矿产循环产业园开发有限公司 | A kind of low-purity PVC waste plastics recycling prepares plastic-wood section and preparation method thereof |
| CN112556445A (en) * | 2020-11-27 | 2021-03-26 | 张爱莲 | Raw material gas condensation dewatering device for industrial production |
| CN113340062A (en) * | 2021-06-26 | 2021-09-03 | 马铭甜 | Conical dryer |
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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: 20100303 Termination date: 20180603 |