CN102824967A - Axial flow multi-cyclone dust collector - Google Patents
Axial flow multi-cyclone dust collector Download PDFInfo
- Publication number
- CN102824967A CN102824967A CN2012101718091A CN201210171809A CN102824967A CN 102824967 A CN102824967 A CN 102824967A CN 2012101718091 A CN2012101718091 A CN 2012101718091A CN 201210171809 A CN201210171809 A CN 201210171809A CN 102824967 A CN102824967 A CN 102824967A
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- Prior art keywords
- gas
- axial
- flow type
- dust
- chamber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/24—Multiple arrangement thereof
- B04C5/28—Multiple arrangement thereof for parallel flow
Abstract
The invention provides an axial flow multi-cyclone dust collector which can efficiently and equally distribute and introduce dust-containing gas into multiple axial flow cyclones disposed in a gas introduction chamber. The axial flow multi-cyclone dust collector (1) is equipped with a gas introduction chamber (3) into which dust-containing gas is introduced and in which multiple axial flow cyclones (11) are disposed, a dust-collecting chamber (5) that accumulates the dust separated from the dust-containing gas by the multiple axial flow cyclones (11), and a clean gas chamber (7) for collecting the clean gas resulting from the dust being separated from the dust-containing gas, and is characterized in that the gas introduction chamber (3) is obtained by providing: a lower chamber (3a), which is formed from a ring-shaped flow channel with an open upper surface that is formed to surround the upper outer circumference of the dust-collecting chamber (5) and in which a gas inlet (9) where the dust-containing gas is introduced is formed; and an upper chamber (3b) that communicates with the opening of the lower chamber (3a) from above the lower chamber (3a) and in which the multiple axial flow cyclones (11) are disposed.
Description
Technical field
The present invention relates to the axial-flow type multicyclone dust separation removed from the gas that contains dust (below, be called " dusty gas ").
Background technology
The use-case that makes as the axial-flow type multicyclone; For example the system ironworks dry coke quenching equipment (below; Be sometimes referred to as " CDQ ") gas-recycling plant in, as being used for the amounts of dust (dust) that produces from cooling tower has been carried out that dusty gas after 1 dedusting further carries out No. 2 dedusters of 2 controls of dust and the device that uses.
The axial-flow type multicyclone generally include gas that dusty gas is imported import the chamber, can accumulate from dusty gas separate the dust of removing dust storage chamber, gather this Room 3, clean gas chamber of exhaust to removed the clean gas behind the dust from dusty gas.
Gas imports in the chamber, and stream is separated by top board and lower plate, in this stream, a plurality of axial-flow type cyclone dust collectors is arranged to chessboard trellis or zigzag with being spaced of regulation.
Import dusty gas that the chamber imports through a plurality of axial-flow type cyclone dust collectors to gas, thereby with dust separation, the dust after the separation accumulates in the dust storage chamber, has removed the clean gas behind the dust from dusty gas and has gathered and exhaust to the clean gas chamber.
Example as the axial-flow type multicyclone of above-mentioned that kind for example is disclosed in patent documentation 1,2.
As patent documentation 1,2 was disclosed, gas imported the chamber and forms rectangular shape usually.It is said that the gas chamber of importing is formed the reasons are as follows of rectangular shape.
Normally dusty gas is imported to gas from horizontal direction and imports the chamber, to its opposition side exhaust, or with dusty gas from horizontal direction import to that gas imports the chamber and to directly over the air-flow of exhaust.When being prerequisite with this air-flow, coordinate if consider the arrangement of axial-flow type cyclone dust collectors and accommodation method, the size of gas flow path, the shape that then naturally and understandably makes gas import the chamber becomes rectangle.
Need to prove, though unexposed in patent documentation 1,2, as other example of air-flow, also have dusty gas is imported from the opposed two sides that the gas of rectangular shape imports the chamber, and from the example of adjacent one side exhaust.
[technical literature formerly]
[patent documentation]
[patent documentation 1] TOHKEMY 2008-80244 communique
[patent documentation 2] TOHKEMY 2004-322086 communique
In the axial-flow type multicyclone, the most important thing is, import indoor a plurality of axial-flow type cyclone dust collectors, with dusty gas uniform distribution and importing expeditiously for being arranged in gas.
Yet; Because it is rectangular shape that gas in the past imports the chamber; Therefore air-flow is partial in four angle parts that gas imports in the chamber; Produce bias current, therefore can't may cause the decline of dust collecting effect or the life-span of a part of axial-flow type cyclone dust collectors to descend to the uniform distribution of axial-flow type cyclone dust collectors.
When setting the flow velocity of dusty gas high in order to improve dust collecting effect, the wearing and tearing of the member that contacts with dusty gas increase, replacing that therefore can production part such other problems that shortens period.
Summary of the invention
The present invention makes in order to solve above-mentioned problem, and its purpose is to obtain a kind of axial-flow type multicyclone, and it imports indoor a plurality of axial-flow type cyclone dust collectors for being arranged in gas, can be with dusty gas uniform distribution and importing expeditiously.
(1) axial-flow type multicyclone of the present invention possesses: the gas that imports dusty gas and be provided with a plurality of axial-flow type cyclone dust collectors imports the chamber; Accumulate through the dust storage chamber of said a plurality of axial-flow type cyclone dust collectors from the dust of said dusty gas separation; The clean gas chamber of the clean gas collection separates dust from said dusty gas after, said axial-flow type multicyclone be characterised in that,
Said gas imports the chamber to be possessed: bottom compartment, and be formed with the gas access that imports dusty gas, and form with the mode of the upper periphery of surrounding said dust storage chamber, constitute by the stream of the ring-type of upper surface open; Upper chambers with the open communication of said bottom compartment, and is provided with said a plurality of axial-flow type cyclone dust collectors above this bottom compartment.
(2) in addition, in the structure of above-mentioned (1) record, it is characterized in that the part of the inwall of said bottom compartment is formed by the outer wall of said dust storage chamber.
(3) in addition, in the structure of above-mentioned (2) record, it is characterized in that, in the part of the outer wall of the dust storage chamber of the inwall that becomes said bottom compartment and the part of the inner core of axial-flow type cyclone dust collectors be equipped with and be used to prevent the baffle that weares and teares.
(4) in addition; In above-mentioned (1) to (3) in the structure of each record; It is characterized in that; Have the suction casing that imports dusty gas in said gas access, the two sides of this suction casing are disposed at the tangential direction of the outer peripheral face of said bottom compartment, and in said suction casing, are provided with cowling panel.
(5) in addition, in the structure of each record, it is characterized in that in above-mentioned (1) to (4) that the boundary portion between said upper chambers and said bottom compartment is provided with the flow adjustment plate that is used to prevent bias current.
(6) in addition, in above-mentioned (1) to (5), in the structure of each record, it is characterized in that, be provided with in said gas access and be used for the flow distribution plate of air-flow to the shunting of the both sides of said bottom compartment.
[invention effect]
Axial-flow type multicyclone of the present invention possesses: the gas that imports dusty gas and be provided with a plurality of axial-flow type cyclone dust collectors imports the chamber; Accumulate through the dust storage chamber of said a plurality of axial-flow type cyclone dust collectors from the dust of said dusty gas separation; The clean gas chamber of the clean gas collection separates dust from said dusty gas after; Wherein, Said gas imports the chamber to be possessed: bottom compartment; Be formed with the gas access that imports dusty gas, and form, constitute by the stream of the ring-type of upper surface open with the mode of the upper periphery of surrounding said dust storage chamber; Upper chambers; Above this bottom compartment,, and be provided with said a plurality of axial-flow type cyclone dust collectors, therefore with the open communication of said bottom compartment; The dusty gas that imports to said bottom compartment is imported upper chambers by the upper opening from the stream of ring-type; Air-flow becomes from the direction of circumferencial direction towards the center, so can supply with dusty gas equably to a plurality of axial-flow type cyclone dust collectors that are arranged at upper chambers, can improve dust catching efficiency.
Description of drawings
Fig. 1 is the key diagram of the axial-flow type multicyclone of an embodiment of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to view.
Fig. 3 is that the B-B of Fig. 1 is to view.
Fig. 4 is the key diagram of axial-flow type cyclone dust collectors.
[label declaration]
1 axial-flow type multicyclone
3 gases import the chamber
The 3a bottom compartment
The 3b upper chambers
5 dust storage chambers
The outer wall of 5a dust storage chamber
Clean gas chambers 7
9 gas accesses
11 axial-flow type cyclone dust collectors
The 11a axial-flow type cyclone dust collectors wing
11b axial-flow type cyclone dust collectors urceolus
11c axial-flow type cyclone dust collectors inner core
13 suction casings
The two sides of 13a, 13b suction casing
15 cowling panels
17 outside wall portions
19 bottoms
21 flow distribution plates
23 top boards
25 lower plates
27 gas guide spaces
29 baffles
31 flows adjustment plate
33 leg section
35 outlets
37 dischargers
39 clean gas outlets
The specific embodiment
The axial-flow type multicyclone 1 of this embodiment possesses: the gas that imports dusty gas and be provided with a plurality of axial-flow type cyclone dust collectors 11 imports chamber 3; Accumulate from the obconic dust storage chamber 5 of the dust of dusty gas separation; The clean gas chamber 7 of the clean gas collection separates dust from dusty gas after.
Each structure at length is described.
< gas importing chamber >
9 are provided with and are used for the suction casing 13 of dusty gas to gas access 9 guiding in the gas access.As shown in Figure 2, the two sides 13a of suction casing 13,13b dispose along the tangential direction of the outer peripheral face of bottom compartment 3a.And, in suction casing 13, be provided with the cowling panel 15 that is used to make the air-flow homogenising.
In this embodiment, because the outer wall 5a of dust storage chamber 5 forms the part of bottom compartment 3a, so the wearing and tearing that cause of considered and contacting of dusty gas.Therefore, preferably be provided for preventing the baffle (not shown) that weares and teares in the part of the outer wall 5a of the dust storage chamber 5 that forms bottom compartment 3a.
As shown in Figure 2, be provided with in the gas access 9 of bottom compartment 3a and be used for the flow distribution plate 21 of air-flow to the shunting of the both sides of bottom compartment 3a.Flow distribution plate 21 is provided with the mode towards the tangential direction of the outer wall 5a of dust storage chamber 5.
Be provided with a plurality of axial-flow type cyclone dust collectors 11 in lower plate 25.The configuration of axial-flow type cyclone dust collectors 11 one for example shown in Figure 3.As shown in Figure 3, axial-flow type cyclone dust collectors 11 are configured to be provided with also at suitable position for fear of hindering air-flow, and double as is the gas guide space 27 of maintenance.
Axial-flow type cyclone dust collectors 11 for example can use patent documentation 1 disclosed known structure.As shown in Figure 4, axial-flow type cyclone dust collectors 11 possess: be provided in the axial-flow type cyclone dust collectors wing 11a on the lower plate 25; The axial-flow type cyclone dust collectors urceolus 11b that is provided with towards the below of lower plate 25; And the lower end is inserted into the axial-flow type cyclone dust collectors inner core 11c that extend to the top of top board 23 axial-flow type cyclone dust collectors urceolus 11b and upper end.Axial-flow type cyclone dust collectors inner core 11c is exposed in the dusty gas and weares and teares, and therefore will be used to preferably prevent that the baffle 29 that weares and teares is arranged on its part.
On the boundary portion between near bottom compartment 3a the gas access 9 and the upper chambers 3b, as shown in Figure 3, be provided with to be used to adjust and adjust plate 31 to the flow of the air-flow of upper chambers 3b inflow from bottom compartment 3a.Near gas access 9, exist from bottom compartment 3a to flow into the many possibilities of quantitative change, therefore through it is adjusted and can realize flowing into uniform gas from bottom compartment 3a to upper chambers 3b to the gas of upper chambers 3b.
< dust storage chamber >
In this embodiment, as stated, because the peripheral shape of dust storage chamber 5 is rounded, so the outer wall 5a of dust storage chamber 5 is also used as the inwall that gas imports the bottom compartment 3a of chamber 3.
< clean gas chamber >
Clean gas 7 collections of clean gas chamber separate dust from dusty gas after is formed by columnar container in this embodiment.
The clean gas of discharging from the axial-flow type cyclone dust collectors inner core 11c of each axial-flow type cyclone dust collectors 11 is collected into clean gas chamber 7, and discharges from clean gas outlet 39.
Action to this embodiment of constituting as stated describes.
After dusty gas that suction casing 13 is supplied with is by cowling panel 15 rectifications, imported gas access 9 guiding of the bottom compartment 3a of chamber 3 to gas.Dusty gas to gas access 9 guiding is shunted by flow distribution plate 21 to the left and right, in the bottom compartment 3a of ring-type, imports.Importing to dusty gas in the bottom compartment 3a changes over the flow direction towards the top and flows into to upper chambers 3b.So; Make dusty gas to the inflow path of upper chambers 3b from circumference towards the circle center; Therefore between the arbitrfary point on circle center and the circumference apart from all equating, can dusty gas be distributed to a plurality of axial-flow type cyclone dust collectors 11 on the lower plate 25 that is arranged in upper chambers 3b equably.
In addition, the outside wall surface 17 that constitutes dusty gas to the inflow path of upper chambers 3b be than rectangle more near fusiform circle, can reduce fluid resistance, therefore preferably.
Need to prove; Even dusty gas to the inflow path of upper chambers 3b from around towards the center; Under the situation that is shaped as rectangle of bottom compartment 3a, upper chambers 3b and lower plate 25; Because distance is all different between the arbitrfary point on rectangular centre point and the periphery, so be difficult to equably to axial flow cyclone dust collectors 11 distribution of likewise arranging with this embodiment.
In addition, be rectangle wall and four jiaos when being seamed edge at the stream of dusty gas, can produce eddy current in the bight, fluid resistance increases.
From this meaning, the perisporium of the stream of dusty gas is preferably formed and is circle.
When being circular in gas importing chamber 3; Compare with the situation of rectangle; Can guarantee circumference more longways as the horizontal length of dusty gas stream; Even reduce the height of the vertical of dusty gas stream, also can the dusty gas flow velocity be adjusted to eccentric wear and decrease the suitable flow velocity that can not increase, thereby can the whole densification of implement device.
The dusty gas that flows into to upper chambers 3b is through being arranged on the axial-flow type cyclone dust collectors wing 11a on the lower plate 25; 11b removes dust separation by axial-flow type cyclone dust collectors urceolus; In axial-flow type cyclone dust collectors inner core 11c, be directed to the clean gas chamber 7 of the top that is formed on top board 23.The clean gas that is directed to clean gas chamber 7 can be gathered and to direction exhaust arbitrarily.
On the other hand, the dust that separates after removing accumulates in the dust storage chamber 5, when through the stipulated time, is transported outside system by the discharger 37 of the bottom that is in dust storage chamber 5.
As previously discussed; In this embodiment; Gas imports the bottom compartment 3a and the upper chambers 3b that is formed on the top of bottom compartment 3a that chamber 3 comprises ring-type; The dusty gas that imports in the bottom compartment 3a being supplied with to upper chambers 3b from the complete cycle of bottom compartment 3a, therefore can be distributed equably to the axial-flow type cyclone dust collectors 11 on the lower plate 25 that is configured in upper chambers 3b with predetermined distance and supply with dusty gas, is that the situation of rectangle is compared with gas importing chamber; Can improve dust collecting effect, and can realize the wearing and tearing prolongation of parts and prevent that the life-span from descending.
In addition; In this embodiment; Because the periphery of bottom compartment 3a and upper chambers 3b becomes circle; Therefore raise with respect to interior pressure (having the situation of malleation or the situation of negative pressure) container rigidity, can alleviate reinforcement, also have the minimizing that helps traffic expense, the such effect of easy property of building construction.
And, form circle through gas being imported chamber 3, dust storage chamber 5 and clean gas chamber 7, compare with the situation of rectangle and can shorten girth, so application or the minimizing of heat-barrier material construction area, construction cost obtains saving.
In addition, in this embodiment, round (circle) funnel through inverted cone-shaped forms dust storage chamber 5, therefore compares with square-shaped hopper, if the angle of inclination is identical, then can make container shapes is the shape of minimal compactness.It the reasons are as follows said.Under the situation of square-shaped hopper,, therefore need the angle of inclination of corner part be set for more than the angle of friction of powder because the angle of inclination of corner part is the mildest.On the other hand, under the situation of circular funnel, the angle of inclination is all identical in a circumferential direction, therefore as long as the angle of inclination is set for more than the rubbing angle of powder.The angle of inclination of corner part of supposing square-shaped hopper is identical with the angle of inclination of circular funnel, then because the plane section of circular funnel has the relation that connects in the plane section with square-shaped hopper, therefore can circular infundibulate be become the shape compacter than square funnel.
Claims (6)
1. axial-flow type multicyclone possesses: the gas that imports dusty gas and be provided with a plurality of axial-flow type cyclone dust collectors imports the chamber; Accumulate through the dust storage chamber of said a plurality of axial-flow type cyclone dust collectors from the dust of said dusty gas separation; The clean gas chamber of the clean gas collection separates dust from said dusty gas after, said axial-flow type multicyclone be characterised in that,
Said gas imports the chamber to be possessed: bottom compartment, and be formed with the gas access that imports dusty gas, and form with the mode of the upper periphery of surrounding said dust storage chamber, constitute by the stream of the ring-type of upper surface open; Upper chambers with the open communication of said bottom compartment, and is provided with said a plurality of axial-flow type cyclone dust collectors above this bottom compartment.
2. axial-flow type multicyclone according to claim 1 is characterized in that,
The part of the inwall in the said bottom compartment is formed by the outer wall of said dust storage chamber.
3. axial-flow type multicyclone according to claim 2 is characterized in that,
In the part of the outer wall of the dust storage chamber of the inwall that becomes said bottom compartment and the part of the inner core of axial-flow type cyclone dust collectors be equipped with and be used to prevent the baffle that weares and teares.
4. according to each described axial-flow type multicyclone in the claim 1～3, it is characterized in that,
Have the suction casing that imports dusty gas in said gas access, the two sides of this suction casing are disposed at the tangential direction of the outer peripheral face of said bottom compartment, and in said suction casing, are provided with cowling panel.
5. according to each described axial-flow type multicyclone in the claim 1～4, it is characterized in that,
Boundary portion between said upper chambers and said bottom compartment is provided with the flow adjustment plate that is used to prevent bias current.
6. according to each described axial-flow type multicyclone in the claim 1～5, it is characterized in that,
Be provided with in said gas access and be used for the flow distribution plate of air-flow to the shunting of the both sides of said bottom compartment.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011131767A JP2013000623A (en) | 2011-06-14 | 2011-06-14 | Axial-flow type multicyclone dust collector |
| JP2011-131767 | 2011-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102824967A true CN102824967A (en) | 2012-12-19 |
Family
ID=47328402
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101718091A Pending CN102824967A (en) | 2011-06-14 | 2012-05-29 | Axial flow multi-cyclone dust collector |
| CN 201220248864 Expired - Fee Related CN202803438U (en) | 2011-06-14 | 2012-05-29 | Axial-flow type multicyclone dust remover |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220248864 Expired - Fee Related CN202803438U (en) | 2011-06-14 | 2012-05-29 | Axial-flow type multicyclone dust remover |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2013000623A (en) |
| CN (2) | CN102824967A (en) |
| WO (1) | WO2012172872A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104232114A (en) * | 2014-09-17 | 2014-12-24 | 西安华江环保科技股份有限公司 | Secondary dust remover for coke dry quenching |
| CN109641217A (en) * | 2016-09-09 | 2019-04-16 | 德国莱歇公司 | Operation Duo Ti cyclonic separation mechanism carrys out the method and Duo Ti cyclonic separation mechanism of separation of fine particle and superfine granule |
| CN114984673A (en) * | 2022-04-29 | 2022-09-02 | 中冶长天国际工程有限责任公司 | Dust remover and dust removing method |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013000623A (en) * | 2011-06-14 | 2013-01-07 | Jp Steel Plantech Co | Axial-flow type multicyclone dust collector |
| CN105080736A (en) * | 2014-05-21 | 2015-11-25 | 德昌电机(深圳)有限公司 | Separation device |
| CN104992804A (en) * | 2015-07-30 | 2015-10-21 | 常州市武进凯利达电子有限公司 | Rotary potentiometer easy for maintenance |
| CN110170187B (en) * | 2019-05-24 | 2024-03-22 | 河南省地质矿产勘查开发局第一地质环境调查院 | Steam-water separation device for geothermal fluid and gas treatment method |
| CN112473309A (en) * | 2020-12-22 | 2021-03-12 | 南昌大学 | Combined type dust collecting system with cross-flow filtration |
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| CN202803438U (en) * | 2011-06-14 | 2013-03-20 | 钢铁普蓝特克股份有限公司 | Axial-flow type multicyclone dust remover |
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| DE660872C (en) * | 1938-06-04 | Metallgesellschaft Akt Ges | Centrifugal dust separator | |
| US2268170A (en) * | 1938-11-08 | 1941-12-30 | Western Precipitation Corp | Dust collecting system |
| JPS55152514A (en) * | 1979-05-18 | 1980-11-27 | Hitachi Ltd | Dry scrubber |
| JP4277277B2 (en) * | 2004-02-18 | 2009-06-10 | タマティーエルオー株式会社 | Cyclone centrifuge |
| US7309368B2 (en) * | 2004-02-11 | 2007-12-18 | Samsung Gwangju Electronics Co., Ltd. | Cyclone dust-collecting apparatus |
| KR20060068666A (en) * | 2004-12-16 | 2006-06-21 | 삼성전자주식회사 | A cyclone air purifier |
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2011
- 2011-06-14 JP JP2011131767A patent/JP2013000623A/en not_active Withdrawn
-
2012
- 2012-04-26 WO PCT/JP2012/061174 patent/WO2012172872A1/en active Application Filing
- 2012-05-29 CN CN2012101718091A patent/CN102824967A/en active Pending
- 2012-05-29 CN CN 201220248864 patent/CN202803438U/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077907A (en) * | 1992-04-21 | 1993-11-03 | 塞荣机械工业公司 | Dusty gas forms the dust collect plant of eddy current flow flowing mode |
| JPH08299728A (en) * | 1995-05-12 | 1996-11-19 | Toyo Gijutsu Kogyo Kk | Cyclone dust collector |
| EP2058044A1 (en) * | 2006-11-06 | 2009-05-13 | Mitsubishi Heavy Industries, Ltd. | Dust collector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104232114A (en) * | 2014-09-17 | 2014-12-24 | 西安华江环保科技股份有限公司 | Secondary dust remover for coke dry quenching |
| CN104232114B (en) * | 2014-09-17 | 2016-06-29 | 西安华江环保科技股份有限公司 | A kind of dry-quenching secondary dust cleaner |
| CN109641217A (en) * | 2016-09-09 | 2019-04-16 | 德国莱歇公司 | Operation Duo Ti cyclonic separation mechanism carrys out the method and Duo Ti cyclonic separation mechanism of separation of fine particle and superfine granule |
| CN114984673A (en) * | 2022-04-29 | 2022-09-02 | 中冶长天国际工程有限责任公司 | Dust remover and dust removing method |
| CN114984673B (en) * | 2022-04-29 | 2023-09-01 | 中冶长天国际工程有限责任公司 | Dust remover and dust removing method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012172872A1 (en) | 2012-12-20 |
| CN202803438U (en) | 2013-03-20 |
| JP2013000623A (en) | 2013-01-07 |
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Application publication date: 20121219 |