CN108392954A - A kind of plastics-production equipment smell processing device - Google Patents
A kind of plastics-production equipment smell processing device Download PDFInfo
- Publication number
- CN108392954A CN108392954A CN201810351604.9A CN201810351604A CN108392954A CN 108392954 A CN108392954 A CN 108392954A CN 201810351604 A CN201810351604 A CN 201810351604A CN 108392954 A CN108392954 A CN 108392954A
- Authority
- CN
- China
- Prior art keywords
- plastics
- production equipment
- odor treatment
- device housings
- peculiar odor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- B01D53/007—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 by irradiation
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
- B01D53/32—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 by electrical effects other than those provided for in group B01D61/00
-
- 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
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20792—Zinc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
Abstract
The invention discloses a kind of plastics-production equipment smell processing devices, including peculiar odor treatment device housings and the pre- filter plate of activated carbon, negative-pressure air fan is installed at the air inlet of the peculiar odor treatment device housings, and the exhaust ports of peculiar odor treatment device housings are equipped with air exhauster, the peculiar odor treatment device housings are internally provided with mounting ear, the mounting ear is equipped with the connecting bracket extended to axle center, the mounting ear is fixedly connected with wind shield by connecting bracket, and the pre- filter plate of activated carbon is fixed on by hex bolts on mounting ear.It is one that low temperature plasma, photocatalysis and adsorption technology are closed three by the present invention, and triple role has complementary advantages, capacity usage ratio can not only be improved, its degradation effect to VOCs pollutants can also be enhanced, the ozone of generation also can be used for handling industrial wastewater, realizes and recycles.
Description
Technical field
The present invention relates to plastics-production equipment technical field, specially a kind of plastics-production equipment smell processing device.
Background technology
Currently, with the development of industry and social progress, common plastics in reaction kettle after the completion of polymerisation, need by
Gas discharge in reaction kettle, plastics will produce a variety of volatile organic compounds (VOCs) in the course of the polymerization process, most common
VOCs gases are mainly formaldehyde, acetaldehyde, benzene,toluene,xylene etc..These substances at normal temperatures can be by evaporating with gas
Form is present in air, has carcinogenesis, causes serious injury to human body, and gas anomaly is unpleasant, if by these
Gas is discharged into air, it will is caused serious environmental pollution, while being endangered the physical and mental health of staff.
The peculiar odor treatment equipment used in plastics-production at present makes VOCs oxygenolysis be nontoxic by chemical reaction process
Or low toxicity material or recycled VOCs by the physical processes such as adsorbing or condensing, one of the most common method is exactly to use adsorbent
VOCs is adsorbed, absorption method has purifying rate high, and low energy consumption, it is simple for process and at low cost the advantages that.
The peculiar smell eliminating equipment that plastics-production equipment uses at present will produce after removing VOCs there are low-temperature plasma equipment
Nitrogen oxides and ozone, light-catalyzed reaction forbidden band is wider, weak to visible photophase, and light quantum utilization ratio is low, adsorbs material
It is influenced by itself chemical constitution and pore structure, adsorbable scent molecule has specific aim, while the gas when temperature is higher
Small molecule may be diffused out from material matrix again, the problem of taste removal effect difference.
Invention content
The purpose of the present invention is to provide a kind of plastics-production equipment smell processing device, solve existing low temperature etc. from
Nitrogen oxides and ozone are will produce after sub- equipment removal VOCs, light-catalyzed reaction forbidden band is wider, weak to visible photophase, light quantum
Utilization ratio is low, and absorption material is influenced by itself chemical constitution and pore structure, and adsorbable scent molecule has specific aim,
When temperature is higher, gas molecules may be diffused out from material matrix again, the problem of taste removal effect difference.
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of plastics-production equipment peculiar smell
Processing unit, including peculiar odor treatment device housings and activated carbon pre- filter plate are pacified at the air inlet of the peculiar odor treatment device housings
Exhaust ports equipped with negative-pressure air fan, and peculiar odor treatment device housings are equipped with air exhauster, the peculiar odor treatment device housings
Be internally provided with mounting ear, the mounting ear is equipped with the connecting bracket extended to axle center, and the mounting ear and wind shield pass through company
It connects holder to be fixedly connected, the pre- filter plate of activated carbon is fixed on by hex bolts on mounting ear, outside the peculiar odor treatment equipment
The inside of shell is equipped with low-temperature plasma generator, photocatalysis apparatus and tobermorite plate, the photocatalysis apparatus setting
Between low-temperature plasma generator and tobermorite plate, the lower section of the low-temperature plasma generator is equipped with several
High-field electrode is equipped with quartz burner on the inner wall of the photocatalysis apparatus.
Preferably, the area load of the pre- filter plate of the activated carbon has nano oxidized zinc layers, and the pre- filter plate of activated carbon is in " M " type
Bending setting.
Preferably, the madial wall of the photocatalysis apparatus is equipped with aluminium foil reflecting layer, and the aluminium foil reflecting layer is with photocatalysis
The vertical center line of device is symmetric.
Preferably, low-temperature plasma generator power supply is installed at the top of the peculiar odor treatment device housings, it is described low
The output end of isothermal plasma generator power and the input terminal of high-field electrode are electrically connected.
Preferably, the quartz burner is at least provided with two.
Preferably, the tobermorite plate uses high aluminium content flyash solid waste for raw material, passes through dynamic autoclaved technology
Reaction process manufactures, and the surface of tobermorite plate is in honeycomb microporous structure.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention
(1) it is one low temperature plasma, photocatalysis and adsorption technology to be closed three, and triple role has complementary advantages, can not only carry
High-energy utilization rate, moreover it is possible to enhance its degradation effect to VOCs pollutants, the ozone of generation also can be used for handling industrial wastewater,
It realizes and recycles.
(2) nano zine oxide is carried on porous active carbon surface, prepares the pre- filter plate of activated carbon, utilizes the height of porous carbon
Specific surface area, which is realized, adsorbs the height of scent molecule, while using nano zine oxide to the photocatalysis Decomposition energy of organic emanation
Power realizes to the decomposition in situ of organic emanation, achievees the purpose that lasting low to distribute purification.
(3) air dielectric in the high-field electrode ionization gap inside low-temperature plasma generator generates low-temperature plasma
Body causes volatile organic matter using a large amount of high energy active particles formed in plasma and carries out decomposable process, most of dirty
Dye object is eliminated in this step, is formed simultaneously by-product nitrogen oxides and ozone, and photocatalysis apparatus can utilize part ozone, reinforce
Treatment by Photocatalysis Oxidation conversion of nitrogen oxides is contaminant remaining in nitrate ion and exhaust gas, and remaining ozone passes through gas outlet
Industrial wastewater is passed directly into be handled.
(4) it is raw material that tobermorite plate, which is using high aluminium content flyash solid waste, reacts work by dynamic autoclaved technology
Skill manufacture has honeycomb microporous structure and containing the calcium silicate products of constitution water feature, has light, high pore structure, height
The features such as specific surface area, low abrasivity is a kind of ideal VOCs sorbing materials.
Description of the drawings
Fig. 1 is the whole structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of photocatalysis apparatus of the present invention；
Fig. 3 is the mounting structure schematic diagram of wind shield of the present invention and the pre- filter plate of activated carbon；
Fig. 4 is the sectional side view of the pre- filter plate of activated carbon of the present invention.
In figure：1- peculiar odor treatments device housings, 2- negative-pressure air fans, 3- wind shields, 31- connecting brackets, 4- mounting ears, 5- live
The pre- filter plate of property charcoal, 6- high-field electrodes, 7- photocatalysis apparatus, 71- aluminium foils reflecting layer, 8- air exhausters, 9- tobermorites plate,
10- quartz burners, 11- low-temperature plasma generators, 12- low-temperature plasma generator power supplys.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of plastics-production equipment smell processing device, packet
Peculiar odor treatment device housings 1 and the pre- filter plate 5 of activated carbon are included, negative-pressure air fan is installed at the air inlet of peculiar odor treatment device housings 1
2, and the exhaust ports of peculiar odor treatment device housings 1 are equipped with air exhauster 8, peculiar odor treatment device housings 1 are internally provided with peace
Ear 4 is filled, mounting ear 4 is equipped with the connecting bracket 31 extended to axle center, and mounting ear 4, which is fixed with wind shield 3 by connecting bracket 31, to be connected
It connects, the pre- filter plate 5 of activated carbon is fixed on by hex bolts on mounting ear 4, and the inside of peculiar odor treatment device housings 1 is equipped with low temperature
Plasma generator 11, photocatalysis apparatus 7 and tobermorite plate 9, the setting of photocatalysis apparatus 7 occur in low temperature plasma
Between device 11 and tobermorite plate 9, the lower section of low-temperature plasma generator 11 is equipped with several high-field electrodes 6, photocatalysis
Quartz burner 10 is installed on the inner wall of device 7.
The area load of the pre- filter plate of activated carbon 5 has nano oxidized zinc layers, and the pre- filter plate 5 of activated carbon is in the bending setting of " M " type；
The madial wall of photocatalysis apparatus 7 is equipped with aluminium foil reflecting layer 71, and aluminium foil reflecting layer 71 is in the vertical center line of photocatalysis apparatus 7
It is symmetrical；The top of peculiar odor treatment device housings 1 is equipped with low-temperature plasma generator power supply 12, low temperature plasma hair
The input terminal of the output end and high-field electrode 6 of raw device power supply 12 is electrically connected；Quartz burner 10 is at least provided with two；Tuo Beimo
Carrying out slabstone 9 uses high aluminium content flyash solid waste for raw material, is manufactured by dynamic autoclaved technology reaction process, and tobermorite
The surface of plate 9 is in honeycomb microporous structure.
Operation principle：When plastics-production equipment is run, the synchronous averaging equipment, negative-pressure air fan 2 can will be in reaction kettle
Smell introduce the inside of peculiar odor treatment device housings 1, have the porous activated carbon pre-flock of nano zine oxide by area load first
Plate 5 carries out pre-filtering to gas, is realized using the high-specific surface area of porous carbon and is adsorbed to the height of scent molecule, while is nano oxidized
Zinc carries out photocatalysis Decomposition to organic emanation, realizes to the decomposition in situ of organic emanation, reaches lasting and low distributes purification
Mesh, the blocking due to wind shield 3 after air enters the inside of peculiar odor treatment device housings 1, gas is moved to both sides, still
It can not be discharged by negative-pressure air fan 2, therefore gas must get to subsequent processing into the filtering for crossing the pre- filter plate of activated carbon 5, it is low
High-field electrode 6 inside isothermal plasma generator 11 ionizes the air dielectric in gap and generates low temperature plasma, utilizes
The a large amount of high energy active particles formed in gas ions cause volatile organic matter and carry out decomposable process, and most of pollutant walks herein
Suddenly it is eliminated, is formed simultaneously by-product nitrogen oxides and ozone, photocatalysis apparatus 7 can utilize part ozone, reinforce photocatalytic-oxidation
It is contaminant remaining in nitrate ion and exhaust gas to change processing conversion of nitrogen oxides, and aluminium foil reflecting layer 71 is arcuate structure, to purple
The light that outside line fluorescent tube 10 is sent out carries out strong reflection, and remaining ozone is passed directly into industrial wastewater by air exhauster 8 and is handled,
It is to utilize high aluminium content fine coal that last gas passes through tobermorite plate 9, tobermorite plate 9 under the attraction of air exhauster 8
Grey solid waste be raw material, by dynamic autoclaved technology reaction process manufacture have honeycomb microporous structure and contain constitution water feature
Calcium silicate products, have the characteristics that light, high pore structure, high-specific surface area, low abrasivity, can be thoroughly in processing gas
Remaining deleterious molecular.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of plastics-production equipment smell processing device, including peculiar odor treatment device housings (1) and the pre- filter plate of activated carbon
(5), it is characterised in that：Negative-pressure air fan (2), and peculiar odor treatment are installed at the air inlet of the peculiar odor treatment device housings (1)
The exhaust ports of device housings (1) are equipped with air exhauster (8), and the peculiar odor treatment device housings (1) are internally provided with installation
Ear (4), the mounting ear (4) are equipped with the connecting bracket (31) extended to axle center, and the mounting ear (4) passes through with wind shield (3)
Connecting bracket (31) is fixedly connected, and the pre- filter plate of activated carbon (5) is fixed on by hex bolts on mounting ear (4), described different
The inside of taste processing equipment shell (1) is equipped with low-temperature plasma generator (11), photocatalysis apparatus (7) and tobermorite
Plate (9), the photocatalysis apparatus (7) is arranged between low-temperature plasma generator (11) and tobermorite plate (9), described
The lower section of low-temperature plasma generator (11) is equipped with several high-field electrodes (6), pacifies on the inner wall of the photocatalysis apparatus (7)
Equipped with quartz burner (10).
2. a kind of plastics-production equipment smell processing device according to claim 1, which is characterized in that the activated carbon
The area load of pre- filter plate (5) has nano oxidized zinc layers, and the pre- filter plate of activated carbon (5) is in the bending setting of " M " type.
3. a kind of plastics-production equipment smell processing device according to claim 1, which is characterized in that the photocatalysis
The madial wall of device (7) be equipped with aluminium foil reflecting layer (71), the aluminium foil reflecting layer (71) with photocatalysis apparatus (7) it is vertical in
Heart line is symmetric.
4. a kind of plastics-production equipment smell processing device according to claim 1, which is characterized in that at the peculiar smell
Low-temperature plasma generator power supply (12), the low-temperature plasma generator electricity are installed at the top of reason device housings (1)
The output end in source (12) is electrically connected with the input terminal of high-field electrode (6).
5. a kind of plastics-production equipment smell processing device according to claim 1, which is characterized in that the ultraviolet light
Fluorescent tube (10) is at least provided with two.
6. a kind of plastics-production equipment smell processing device according to claim 1, which is characterized in that the Tuo Beimo
Carrying out slabstone (9) uses high aluminium content flyash solid waste for raw material, is manufactured by dynamic autoclaved technology reaction process, and Tuo Beimo comes
The surface of slabstone (9) is in honeycomb microporous structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810351604.9A CN108392954A (en) | 2018-04-19 | 2018-04-19 | A kind of plastics-production equipment smell processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810351604.9A CN108392954A (en) | 2018-04-19 | 2018-04-19 | A kind of plastics-production equipment smell processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108392954A true CN108392954A (en) | 2018-08-14 |
Family
ID=63099318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810351604.9A Withdrawn CN108392954A (en) | 2018-04-19 | 2018-04-19 | A kind of plastics-production equipment smell processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108392954A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109609705A (en) * | 2019-01-07 | 2019-04-12 | 上海金智达复合材料有限公司 | A kind of deodorizing device |
-
2018
- 2018-04-19 CN CN201810351604.9A patent/CN108392954A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109609705A (en) * | 2019-01-07 | 2019-04-12 | 上海金智达复合材料有限公司 | A kind of deodorizing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203642363U (en) | Multifunctional photochemical air purifying equipment | |
| CN207815524U (en) | A kind of air purifier having except ozone function | |
| CN105864908A (en) | Multistage plasma air purifier | |
| CN104857824A (en) | Waste gas processing method and device collaborating vacuum ultraviolet light catalysis and ozone catalytic oxidation | |
| CN105521705A (en) | Method for treating organic waste gas through low-temperature plasma concerted catalysis | |
| CN101843915A (en) | Ultraviolet catalytic oxidation deodorizing device | |
| CN108273344A (en) | A kind of integrated-type organic waste gas treatment device | |
| CN106582265A (en) | Photocatalytic oxidation air purification device and method | |
| CN204672112U (en) | Adopt the emission-control equipment of vacuum-ultraviolet light catalyzing cooperation catalytic ozonation | |
| CN104906951A (en) | Method and device for removing volatile organic compounds by photo-production ozone catalytic oxidation | |
| CN108554172A (en) | Dimethylamine exhaust gas controlling device and its technique in a kind of synthetic leather industry | |
| CN107569987A (en) | A kind of processing method and processing device of middle low concentration VOCs gases | |
| CN104174271A (en) | Indoor volatile organic compound purification device | |
| CN207462987U (en) | A kind of VOCs emission-control equipments | |
| KR20040092811A (en) | Air filtration system and method of the same | |
| CN207012785U (en) | A kind of micro-wave nonpolar photooxidation, plasma, photocatalysis combined exhaust gas governing system | |
| CN103691270A (en) | Waste gas UV (Ultraviolet) photolysis oxidation device | |
| CN206082107U (en) | Industry organic waste gas purification device | |
| CN211753826U (en) | Portable air purification device based on ozone and photocatalyst catalysis | |
| CN101224384A (en) | Indoor air depurative method for newly decorated house | |
| CN206184229U (en) | Low temperature plasma ultraviolet photolysis exhaust gas cleaner | |
| CN208302495U (en) | A kind of plastics-production equipment smell processing device | |
| CN202666618U (en) | Compound air purifying device | |
| CN108392954A (en) | A kind of plastics-production equipment smell processing device | |
| CN106890566A (en) | A kind of reactor of plasma body cooperative ultraviolet catalytic cleaning organic waste gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180814 |