CN107008146A - A kind of desulphurization denitration high efficiency flue gas purifying equipment - Google Patents
A kind of desulphurization denitration high efficiency flue gas purifying equipment Download PDFInfo
- Publication number
- CN107008146A CN107008146A CN201710387889.7A CN201710387889A CN107008146A CN 107008146 A CN107008146 A CN 107008146A CN 201710387889 A CN201710387889 A CN 201710387889A CN 107008146 A CN107008146 A CN 107008146A
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- Prior art keywords
- interlayer
- flue gas
- oxidizing chamber
- high efficiency
- surface shell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/869—Multiple step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8609—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/902—Multilayered catalyst
- B01D2255/9022—Two layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/904—Multiple catalysts
- B01D2255/9045—Multiple catalysts in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses a kind of desulphurization denitration high efficiency flue gas purifying equipment, its structure includes gas outlet, support suspension column, connecting rod, storage bin hopper, support baseboard, interlayer oxidizing chamber, terminal box, connecting tube, baffle plate, transmit cylinder, fixed plate, air-heater, fixed mount, supporting plate, cat ladder, interlayer oxidizing chamber is provided with appearance surface shell, sulfide catalyst oxidant layer, catalysts layer, appearance surface shell welds together with support baseboard, sulfide catalyst oxidant layer is close to inside appearance surface shell, catalysts layer welds together below sulfide catalyst oxidant layer and with appearance surface shell, sulfide catalyst oxidant layer and catalysts layer are parallel to each other, beneficial effects of the present invention：By provided with interlayer oxidizing chamber, can by sulphur and nitre layering be aoxidized, make sulphur and nitre in flue gas be decomposed purification more thoroughly, make the gas discharged more clean, do not interfere with the breathing of people.
Description
Technical field
The present invention is a kind of desulphurization denitration high efficiency flue gas purifying equipment, belongs to flue gas purifying equipment field.
Background technology
Flue gas refers to the flue gas for removing and inhaling end formation from cigarette in closed system；During cigarette smoking, inhaled under spontaneous combustion state
The flue gas at end.
Prior art discloses Application No.：200820216783.7 a kind of flue gas desulfurization and denitrification purifier, be provided with
King-tower and denitration secondary tower, king-tower are provided with gas approach and net cigarettes outlet, in tower from top to bottom comprising washing demisting section, absorber portion and
Oxidation panel;Described absorber portion is provided with desulfurization spray thrower, and oxidation pars infrasegmentalis outlet port passes through the de- of tower external circulation line and absorber portion
Sulphur spray thrower is communicated;The desulphurization circulating pond of oxidation panel bottom is provided with the distributor communicated with ammonia and air-in, and secondary tower is provided with
Raw material gas approach, bottom is denitration circulatory pool, and the top of raw material gas approach is provided with denitration spray thrower, and passes through the de- of tower top
Nitre exhanst gas outlet is communicated with the gas approach of king-tower, described denitration spray thrower by pipeline outside tower with denitration circulatory pool outlet port
It is connected with the desulphurization circulating pond outlet port of king-tower oxidation panel bottom.The present apparatus utilizes the intermediate material sulfurous hydracid of ammonia sweetening process
Ammonium and ammonium sulfite carry out denitration, do not increase the consumption of ammonia, simplify equipment, energy consumption and operating cost are low, and prior art makes
Used time, desulfurization and denitration are to carry out simultaneously, can cause that nitre and sulphur is decomposed not thoroughly, be discharged in air and pollute the environment, shadow
Ring the eupnea of people.
The content of the invention
In view of the deficienciess of the prior art, being set it is an object of the present invention to provide a kind of desulphurization denitration high efficiency gas cleaning
Standby, to solve prior art when in use, desulfurization and denitration are to carry out simultaneously, not thorough, the row that nitre and sulphur can be caused to be decomposed
Polluted the environment into air, the problem of influenceing the eupnea of people.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of desulphurization denitration high efficiency
Flue gas purifying equipment, its structure includes gas outlet, support suspension column, connecting rod, storage bin hopper, support baseboard, interlayer oxidizing chamber, wiring
Box, connecting tube, baffle plate, transmission cylinder, fixed plate, air-heater, fixed mount, supporting plate, cat ladder, the support suspension column are provided with four simultaneously
It is respectively welded at below support baseboard, the connecting rod is provided with three and is welded between two support suspension columns, the support bottom
Plate is vertically fixed on below interlayer oxidizing chamber, and the interlayer oxidizing chamber is provided with terminal box, the terminal box by connecting tube with every
Layer oxidizing chamber electrical connection, the baffle plate is fixed on above connecting tube by rivet and with being welded on one at the top of interlayer oxidizing chamber
Rise, the transmission cylinder gemel connection is on the left of interlayer oxidizing chamber, and the air-heater is vertically connected through fixed plate in transmission cylinder, described
Fixed plate and air-heater gemel connection, the fixed plate are threadedly connected to transmission cylinder surface, and the fixed mount is welded under air-heater
Side, the supporting plate is vertically welded in below transmission cylinder and welded together by support bar with interlayer oxidizing chamber, the cat ladder
It is welded in below supporting plate on 120 ° of positions, the interlayer oxidizing chamber is provided with appearance surface shell, sulfide catalyst oxidant layer, catalysts
Layer, the appearance surface shell welds together with support baseboard, and the sulfide catalyst oxidant layer is close to inside appearance surface shell, and the nitrification is urged
Agent layer welds together below sulfide catalyst oxidant layer and with appearance surface shell, the sulfide catalyst oxidant layer and catalysts layer
It is parallel to each other.
Further, the fixed mount and transmission cylinder are parallel to each other.
Further, the storage bin hopper is provided with smoke inlet.
Further, the storage bin hopper nail is connected to below support baseboard.
Further, the gas outlet feather joint is below storage bin hopper.
Further, the appearance surface shell is stainless steel material, rust resistance and corrosion resistance.
Further, the connecting tube is provided with more than 2, can protect more circuits.
Beneficial effects of the present invention：By provided with interlayer oxidizing chamber, can by sulphur and nitre layering be aoxidized, make in flue gas
Sulphur and nitre be decomposed purification more thoroughly, make the gas discharged more clean, do not interfere with the breathing of people.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of desulphurization denitration high efficiency flue gas purifying equipment of the invention.
Fig. 2 is the structural representation of interlayer oxidizing chamber of the present invention.
In figure：Gas outlet -1, support suspension column -2, connecting rod -3, storage bin hopper -4, support baseboard -5, interlayer oxidizing chamber -6, connect
Line box -7, connecting tube -8, baffle plate -9, transmission cylinder -10, fixed plate -11, air-heater -12, fixed mount -13, supporting plate -14, climb
Ladder -15, appearance surface shell -601, sulfide catalyst oxidant layer -602, catalysts layer -603.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, is expanded on further the present invention.
Fig. 1, Fig. 2 are referred to, the present invention provides a kind of desulphurization denitration high efficiency flue gas purifying equipment：Its structure includes outlet
Mouth 1, support suspension column 2, connecting rod 3, storage bin hopper 4, support baseboard 5, interlayer oxidizing chamber 6, terminal box 7, connecting tube 8, baffle plate 9, biography
Cylinder 10, fixed plate 11, air-heater 12, fixed mount 13, supporting plate 14, cat ladder 15 are passed, the support suspension column 2 is provided with four and difference
The lower section of support baseboard 5 is welded on, the connecting rod 3 is provided with three and is welded between two support suspension columns 2, the support baseboard
5 are vertically fixed on the lower section of interlayer oxidizing chamber 6, and the interlayer oxidizing chamber 6 is provided with terminal box 7, and the terminal box 7 passes through connecting tube 8
Electrically connected with interlayer oxidizing chamber 6, the baffle plate 9 is fixed on the top of connecting tube 8 by rivet and welded with the top of interlayer oxidizing chamber 6
It is connected together, the transmission gemel connection of cylinder 10 is in the left side of interlayer oxidizing chamber 6, and the air-heater 12 is through fixed plate 11 in transmission cylinder
10 vertical connections, the fixed plate 11 and the gemel connection of air-heater 12, the fixed plate 11 are threadedly connected to transmission cylinder 10 surface, institute
State fixed mount 13 and be welded in the lower section of air-heater 12, the supporting plate 14 be vertically welded in the lower section of transmission cylinder 10 and by support bar with
Interlayer oxidizing chamber 6 welds together, and the cat ladder 15 is welded on the 120 ° of positions in the lower section of supporting plate 14, the interlayer oxidizing chamber 6
Provided with appearance surface shell 601, sulfide catalyst oxidant layer 602, catalysts layer 603, the appearance surface shell 601 is welded on support baseboard 5
Together, the sulfide catalyst oxidant layer 602 is close to inside appearance surface shell 601, and the catalysts layer 603 is located at sulphurized catalyst
The lower section of layer 602 simultaneously welds together with appearance surface shell 601, and the sulfide catalyst oxidant layer 602 and catalysts layer 603 are mutually equal
OK, the fixed mount 13 and transmission cylinder 10 are parallel to each other, and the storage bin hopper 4 is provided with smoke inlet, and the nail of storage bin hopper 4 is connected to branch
The lower section of bottom plate 5 is supportted, the feather joint of gas outlet 1 is in the lower section of storage bin hopper 4, and the appearance surface shell 601 is stainless steel material, antirust, anti-corrosive
Erosion, the connecting tube 8 is provided with more than 2, can protect more circuits.
Before use, check whether interlayer oxidizing chamber 6 has leakage phenomenon, flue gas is led into then passing through by smoke inlet
Storage bin hopper 4 is entered in interlayer oxidizing chamber 6, be led to after the air heating that air-heater 12 will be extraneous into interlayer oxidizing chamber 6, make every
The temperature of layer oxidizing chamber 6 is very high, and flue gas enters interlayer oxidizing chamber 6, first passes through catalysts layer 603, nitre is oxidized away, then
By sulfide catalyst oxidant layer 602, sulphur is oxidized away, the flue gas after the completion of catalysis returns storage bin hopper 4 by interlayer oxidizing chamber 6,
Discharged by gas outlet 1, safety non-pollution.
After air-heater 12 of the present invention is powered, air blower makes air from helical form in blow air to heater
Heating wire medial and lateral be powered uniformly through, heating wire after the heat produced and the cold air that passes through carry out heat exchange so that
Raised with the wind-warm syndrome of air outlet.
The gas outlet 1 of the present invention, support suspension column 2, connecting rod 3, storage bin hopper 4, support baseboard 5, interlayer oxidizing chamber 6, wiring
Box 7, connecting tube 8, baffle plate 9, transmission cylinder 10, fixed plate 11, air-heater 12, fixed mount 13, supporting plate 14, cat ladder 15, appearance surface shell
601st, sulfide catalyst oxidant layer 602, catalysts layer 603, part is that universal standard part or those skilled in the art know
Part, its structure and principle are all that this technology personnel can be learnt by technical manual or be known by normal experiment method, this
The problem of invention is solved be prior art when in use, desulfurization and denitration are progress simultaneously, and nitre and sulphur can be caused to be decomposed not
Thoroughly, it is discharged in air and pollutes the environment, influences the eupnea of people, being combined with each other by above-mentioned part of the invention, energy
By sulphur and nitre layering aoxidized, make sulphur and nitre in flue gas be decomposed purification more thoroughly, make the gas discharged more
Plus cleaning, do not interfere with the breathing of people, it is described in detail below：
The appearance surface shell 601 welds together with support baseboard 5, and the sulfide catalyst oxidant layer 602 is close in appearance surface shell 601
Portion, the catalysts layer 603 is located at the lower section of sulfide catalyst oxidant layer 602 and welds together with appearance surface shell 601, the vulcanization
Catalyst layer 602 and catalysts layer 603 are parallel to each other.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, all should be by no matter from the point of view of which point
Embodiment regards exemplary as, and be it is nonrestrictive, the scope of the present invention by appended claims rather than on state
It is bright to limit, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (7)
1. a kind of desulphurization denitration high efficiency flue gas purifying equipment, its structure includes gas outlet（1）, support suspension column（2）, connecting rod
（3）, storage bin hopper（4）, support baseboard（5）, interlayer oxidizing chamber（6）, terminal box（7）, connecting tube（8）, baffle plate（9）, transmission cylinder
（10）, fixed plate（11）, air-heater（12）, fixed mount（13）, supporting plate（14）, cat ladder（15）, the support suspension column（2）It is provided with
Four and it is respectively welded at support baseboard（5）Lower section, the connecting rod（3）Provided with three and be welded in two support suspension columns（2）
Between, the support baseboard（5）It is vertically fixed on interlayer oxidizing chamber（6）Lower section, the interlayer oxidizing chamber（6）Provided with terminal box
（7）, the terminal box（7）Pass through connecting tube（8）With interlayer oxidizing chamber（6）Electrical connection, it is characterised in that：
The baffle plate（9）Connecting tube is fixed on by rivet（8）Top and with interlayer oxidizing chamber（6）Top weld together,
The transmission cylinder（10）Gemel connection is in interlayer oxidizing chamber（6）Left side, the air-heater（12）Through fixed plate（11）In transmission cylinder
（10）Vertical connection, the fixed plate（11）With air-heater（12）Gemel connection, the fixed plate（11）It is threadedly connected to transmission cylinder
（10）Surface, the fixed mount（13）It is welded in air-heater（12）Lower section, the supporting plate（14）It is vertically welded in transmission cylinder
（10）Lower section simultaneously passes through support bar and interlayer oxidizing chamber（6）Weld together, the cat ladder（15）It is welded in supporting plate（14）Under
On the 120 ° of positions in side；
The interlayer oxidizing chamber（6）Provided with appearance surface shell（601）, sulfide catalyst oxidant layer（602）, catalysts layer（603）, it is described
Appearance surface shell（601）With support baseboard（5）Weld together, the sulfide catalyst oxidant layer（602）It is close to appearance surface shell（601）It is interior
Portion, the catalysts layer（603）Located at sulfide catalyst oxidant layer（602）Lower section and and appearance surface shell（601）Weld together, institute
State sulfide catalyst oxidant layer（602）With catalysts layer（603）It is parallel to each other.
2. a kind of desulphurization denitration high efficiency flue gas purifying equipment according to claim 1, it is characterised in that：The fixed mount
（13）With transmission cylinder（10）It is parallel to each other.
3. a kind of desulphurization denitration high efficiency flue gas purifying equipment according to claim 1, it is characterised in that：The storage bin hopper
（4）Provided with smoke inlet.
4. a kind of desulphurization denitration high efficiency flue gas purifying equipment according to claim 1, it is characterised in that：The storage bin hopper
（4）Nail is connected to support baseboard（5）Lower section.
5. a kind of desulphurization denitration high efficiency flue gas purifying equipment according to claim 1, it is characterised in that：The gas outlet
（1）Feather joint is in storage bin hopper（4）Lower section.
6. a kind of desulphurization denitration high efficiency flue gas purifying equipment according to claim 1, it is characterised in that：The appearance surface shell
（601）For stainless steel material.
7. a kind of desulphurization denitration high efficiency flue gas purifying equipment according to claim 1, it is characterised in that：The connecting tube
（8）Provided with more than 2.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710387889.7A CN107008146A (en) | 2017-05-27 | 2017-05-27 | A kind of desulphurization denitration high efficiency flue gas purifying equipment |
| PCT/CN2017/115101 WO2018218918A1 (en) | 2017-05-27 | 2017-12-07 | Flue gas purification apparatus for desulfuration and denitration with high-efficiency |
| JP2018600172U JP3221952U (en) | 2017-05-27 | 2017-12-07 | High efficiency desulfurization denitration exhaust gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710387889.7A CN107008146A (en) | 2017-05-27 | 2017-05-27 | A kind of desulphurization denitration high efficiency flue gas purifying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107008146A true CN107008146A (en) | 2017-08-04 |
Family
ID=59450889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710387889.7A Pending CN107008146A (en) | 2017-05-27 | 2017-05-27 | A kind of desulphurization denitration high efficiency flue gas purifying equipment |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3221952U (en) |
| CN (1) | CN107008146A (en) |
| WO (1) | WO2018218918A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018218918A1 (en) * | 2017-05-27 | 2018-12-06 | 盐城市兰丰环境工程科技有限公司 | Flue gas purification apparatus for desulfuration and denitration with high-efficiency |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174010B (en) * | 2019-05-09 | 2024-03-22 | 张波 | Plate heat exchange device of ammonia desulfurization and denitrification system and application method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0312222A (en) * | 1989-06-12 | 1991-01-21 | Mitsubishi Heavy Ind Ltd | Dry desulfurizing and denitrificating apparatus |
| JPH07256052A (en) * | 1994-03-24 | 1995-10-09 | Nippon Steel Corp | Simultaneous desulfurization and denitration of exhaust gas |
| CN104768631A (en) * | 2012-11-09 | 2015-07-08 | 三菱日立电力系统株式会社 | Exhaust gas treatment system and method |
| CN205868004U (en) * | 2016-08-11 | 2017-01-11 | 青岛福晓电力设备有限公司 | SCR flue gas desulfurization denitration reactor |
| CN106422543A (en) * | 2016-12-01 | 2017-02-22 | 山东天力节能环保工程有限公司 | Gas-solid separator, as well as denitration and dust-removing device |
| CN206762659U (en) * | 2017-05-27 | 2017-12-19 | 盐城市兰丰环境工程科技有限公司 | A kind of desulphurization denitration high efficiency flue gas purifying equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107008146A (en) * | 2017-05-27 | 2017-08-04 | 盐城市兰丰环境工程科技有限公司 | A kind of desulphurization denitration high efficiency flue gas purifying equipment |
-
2017
- 2017-05-27 CN CN201710387889.7A patent/CN107008146A/en active Pending
- 2017-12-07 JP JP2018600172U patent/JP3221952U/en active Active
- 2017-12-07 WO PCT/CN2017/115101 patent/WO2018218918A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0312222A (en) * | 1989-06-12 | 1991-01-21 | Mitsubishi Heavy Ind Ltd | Dry desulfurizing and denitrificating apparatus |
| JPH07256052A (en) * | 1994-03-24 | 1995-10-09 | Nippon Steel Corp | Simultaneous desulfurization and denitration of exhaust gas |
| CN104768631A (en) * | 2012-11-09 | 2015-07-08 | 三菱日立电力系统株式会社 | Exhaust gas treatment system and method |
| CN205868004U (en) * | 2016-08-11 | 2017-01-11 | 青岛福晓电力设备有限公司 | SCR flue gas desulfurization denitration reactor |
| CN106422543A (en) * | 2016-12-01 | 2017-02-22 | 山东天力节能环保工程有限公司 | Gas-solid separator, as well as denitration and dust-removing device |
| CN206762659U (en) * | 2017-05-27 | 2017-12-19 | 盐城市兰丰环境工程科技有限公司 | A kind of desulphurization denitration high efficiency flue gas purifying equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018218918A1 (en) * | 2017-05-27 | 2018-12-06 | 盐城市兰丰环境工程科技有限公司 | Flue gas purification apparatus for desulfuration and denitration with high-efficiency |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018218918A1 (en) | 2018-12-06 |
| JP3221952U (en) | 2019-07-04 |
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Application publication date: 20170804 |