CN109012084A - A kind of nitrogen oxide waste gas treatment apparatus - Google Patents

A kind of nitrogen oxide waste gas treatment apparatus Download PDF

Info

Publication number
CN109012084A
CN109012084A CN201810943825.5A CN201810943825A CN109012084A CN 109012084 A CN109012084 A CN 109012084A CN 201810943825 A CN201810943825 A CN 201810943825A CN 109012084 A CN109012084 A CN 109012084A
Authority
CN
China
Prior art keywords
air inlet
inlet pipe
fixedly connected
pipeline
gas
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Withdrawn
Application number
CN201810943825.5A
Other languages
Chinese (zh)
Inventor
赵德华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810943825.5A priority Critical patent/CN109012084A/en
Publication of CN109012084A publication Critical patent/CN109012084A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/005Separation 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 heat treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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
    • B01D53/04Separation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/76Gas phase processes, e.g. by using aerosols
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8621Removing nitrogen compounds
    • B01D53/8625Nitrogen oxides

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a kind of nitrogen oxide waste gas treatment apparatus, including main air inlet pipe, one end of the main air inlet pipe is provided with the first air inlet pipe and the second air inlet pipe, one end of first air inlet pipe and the second air inlet pipe is fixedly connected to absorber, the side of the absorber is fixedly connected with dehumidifier by pipeline, the side of the dehumidifier is fixedly connected with having heaters by pipeline, the bottom of the heater is fixedly connected with reactor tank by pipeline, the present invention is provided with detector, pedestal, turntable and circulation air inlet pipe, use the gas after detector detection processing, if being connected to escape pipe no longer with circulation air inlet pipe, gas is discharged, if still containing nitrogen oxides if keep escape pipe and recycle air inlet pipe connection, continue with gas, it avoids untreated complete exhaust gas and causes environment Pollution, improve the purity level of gas after exhaust-gas treatment.

Description

A kind of nitrogen oxide waste gas treatment apparatus
Technical field
The invention belongs to exhaust device technical fields, and in particular to a kind of form waste gas of sulfur dioxide processing unit.
Background technique
Perhaps there is the discharges of a large amount of exhaust gas in daily life in order to reduce or eliminate exhaust gas in industrialized production Damage for environment mainly uses emission-control equipment, and with different technologies, recycling or conversion exhaust gas make to give up Gas forms product, and perhaps then product is re-used or directly arranges transformed gas by other harmless free of contamination gases It puts.
But nitrogen oxide waste gas treatment apparatus currently on the market still might have after handling exhaust gas A small amount of oxides of nitrogen gas is discharged in environment, generates pollution to environment, in addition, carrying out the dress of exhaust-gas treatment currently with solution It sets after usage, meeting residual fraction raffinate on inner wall, and raffinate can generate the influence in concentration to the solution being added later, into And exhaust-gas treatment later is had an impact, cause exhaust-gas treatment not complete enough, be discharged to portion in environment with And inconvenient replacement treatment fluid in treatment process.
Summary of the invention
The purpose of the present invention is to provide a kind of nitrogen oxide waste gas treatment apparatus, to solve to propose in above-mentioned background technique The problem of a small amount of oxides of nitrogen gas and waste liquid residual and inconvenient replacement treatment fluid is discharged.
To achieve the above object, the invention provides the following technical scheme: a kind of nitrogen oxide waste gas treatment apparatus, including master Air inlet pipe, one end of the main air inlet pipe are provided with the first air inlet pipe and the second air inlet pipe, first air inlet pipe with second into One end of tracheae is fixedly connected to absorber, and the side of the absorber is fixedly connected with dehumidifier by pipeline, described to remove The side of wet device is fixedly connected with having heaters by pipeline, and the bottom of the heater is fixedly connected with reactor tank by pipeline, Circulation air inlet pipe, the top installation of the circulation air inlet pipe are installed at a side position of heater at the top of the reactor tank There is sealing ring, the reactor tank is fixedly connected with air pump by pipeline adjacent to the side of heater, and the side of the air pump is logical Piping is fixedly connected with oxygen tank, and the reactor tank is fixedly connected with process chamber by pipeline relative to the side of air pump, institute The bottom for stating process chamber is equipped with outlet tube, and the side of process chamber is connected with cabinet door by articulate, opens in the cabinet door Equipped with inlet, the top of the process chamber is fixedly connected with detector by pipeline, and the side of the detector is equipped with bottom Seat, the side of the pedestal are equipped with turntable, and the side of the turntable is equipped with escape pipe.
Preferably, seal rubber is provided at the process chamber and the link position of cabinet door.
Preferably, the side of the cabinet door is provided with bolt, and shrinkage pool corresponding with bolt is provided on process chamber.
Preferably, the reactor tank is internally provided with Catalytic Layer.
Preferably, the circulation air inlet pipe is connected with escape pipe.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention is provided with detector, pedestal, turntable and circulation air inlet pipe, detection that gas passes through detector that treated Later, turntable is rotated if testing result shows in gas not nitrogen-containing oxide, makes escape pipe and circulation air inlet pipe no longer Connection, gas is discharged, and escape pipe and circulation air inlet are kept if testing result shows still to contain nitrogen oxides in gas The connected state of pipe, continues with gas, avoids untreated complete exhaust gas and is discharged in environment, causes the pollution of environment, Improve the purity level of gas after exhaust-gas treatment.
(2) present invention is provided with cabinet door, inlet and outlet tube, after usage opens cabinet door, carries out to process chamber Cleaning, in addition, during processing, waste liquid being discharged by outlet tube and then by inlet input processing liquid, guarantees exhaust gas Treatment process will not be interrupted, and save because of troublesome operation caused by interruption in waste gas treatment process, and avoid clean Triviality enhances clean convenience and ensure that the continuity of waste gas treatment process.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the outside drawing of process chamber of the present invention;
Fig. 3 is the enlarged drawing of a-quadrant of the present invention;
Fig. 4 is the enlarged drawing of B area of the present invention;
Fig. 5 is the front view of absorber of the present invention;
Fig. 6 is the enlarged drawing in the region C of the present invention;
In figure: 1- main air inlet pipe;The first air inlet pipe of 2-;The second air inlet pipe of 3-;4- absorber;The first input pipe of 401-;402- row Outlet pipe;The second input pipe of 403-;The total efferent duct of 404-;405- branch efferent duct;406- electronic axle;407- chimney filter;408- valve; 409- waste liquid tank;410- baffle;5- dehumidifier;6- heater;7- oxygen tank;8- air pump;9- reactor tank;10- process chamber;11- Outlet tube;12- cabinet door;13- inlet;14- detector;15- pedestal;16- turntable;17- escape pipe;18- recycles air inlet pipe; 19- sealing ring.
Specific embodiment
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 description, 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.
It please refers to shown in Fig. 1-Fig. 6, the invention provides the following technical scheme: a kind of nitrogen oxide waste gas treatment apparatus, packet Include main air inlet pipe 1, one end of main air inlet pipe 1 is provided with the first air inlet pipe 2 and the second air inlet pipe 3, the first air inlet pipe 2 and second into One end of tracheae 3 is fixedly connected to absorber 4, plays the role of adsorbing contaminant, and the side of absorber 4 is fixed by pipeline It is connected with dehumidifier 5, is played the role of to gas dry processing, the side of dehumidifier 5 is fixedly connected with heating by pipeline Device 6 plays the role of part nitrogen oxides heat resolve, and the bottom of heater 6 is fixedly connected with reactor tank by pipeline 9, play the role of providing catalysis reacting environment, the top of reactor tank 9 be equipped at a side position of heater 6 recycle into The top of tracheae 18, circulation air inlet pipe 18 is equipped with sealing ring 19, plays the role of sealed connection, and reactor tank 9 is adjacent to adding The side of hot device 6 is fixedly connected with air pump 8 by pipeline, plays the role of being pumped into oxygen, the side of air pump 8 is solid by pipeline Surely it is connected with oxygen tank 7, plays the role of providing oxygen, reactor tank 9 is fixedly connected relative to the side of air pump 8 by pipeline There is process chamber 10, the bottom of process chamber 10 is equipped with outlet tube 11, and the side of process chamber 10 is connected with cabinet by articulate Door 12 offers inlet 13 in cabinet door 12, after usage opens cabinet door 12, clean to process chamber 10, in addition, In treatment process, waste liquid is discharged by outlet tube 11 and then by 13 input processing liquid of inlet, the top of process chamber 10 is logical Piping is fixedly connected with detector 14, and the side of detector 14 is equipped with pedestal 15, and the side of pedestal 15 is equipped with turntable 16, The side of turntable 16 is equipped with escape pipe 17, after the detection that treated gas passes through detector 14, if testing result table Nitrogen-containing oxide does not then rotate turntable 16 in bright gas, is connected to escape pipe 17 no longer with circulation air inlet pipe 18, gas is arranged Out, escape pipe 17 and circulation 18 connected state of air inlet pipe are kept if testing result shows still to contain nitrogen oxides in gas State continues with gas.
Absorber 4 includes the first input pipe 401 and the second input pipe 403, plays the role of gas input, the first input Pipe 401 and the second input pipe 403 are V-shaped, and the first input pipe 401 and 403 inside of the second input pipe are hydraulically full, play biography The effect of temperature and adsorbing contaminant is led, the side of the second input pipe 403 is provided with multiple efferent ducts 405, multiple efferent ducts 405 top is respectively connected with total efferent duct 404, is provided with gear at the link position of the first input pipe 401 and the second input pipe 403 Plate 410 plays the role of fluid partitioning, and the surrounding of baffle 410 is provided with sealing ring, plays the role of sealing, baffle 410 Side electronic axle 406 is installed, and the bottom of baffle 410 is provided with waste liquid tank 409, and the side of waste liquid tank 409 is provided with filter Pipe 407, the side of chimney filter 407 are fixedly connected with discharge pipe 402, are equipped with valve at chimney filter 407 and the link position of discharge pipe 402 Door 408, exhaust gas is input in liquid from the first input pipe 401 and the second input pipe 403, the temperature of liquid absorption exhaust gas and suction The impurity such as the particulate matter in attached exhaust gas, the exhaust gas by adsorption treatment enter total efferent duct 404 by branch efferent duct 405, then It exporting by total efferent duct 404, electronic axle 406 is rotated after use, rotate baffle 410, liquid enters waste liquid tank 409 at this time, Then valve 408 is opened, makes filtering of the waste liquid through screen pipe 407 in waste liquid tank 409, then be discharged by discharge pipe 402.
In order to ensure process chamber 10 is sealed environment, in the present embodiment, it is preferred that the connection position of process chamber 10 and cabinet door 12 The place of setting is provided with seal rubber.
In order to lock cabinet door 12, in the present embodiment, it is preferred that the side of cabinet door 12 is provided with bolt, and on process chamber 10 It is provided with shrinkage pool corresponding with bolt.
For the conversion reaction of catalyst nox, in the present embodiment, it is preferred that reactor tank 9 is internally provided with catalysis Layer.
In order to continue with untreated complete gas, in the present embodiment, it is preferred that the circulation air inlet pipe 18 with go out Tracheae 17 is connected.
Working principle: when user use the emission-control equipment, exhaust gas is inputted from main air inlet pipe 1, by first Air inlet pipe 2 and the second air inlet pipe 3 enter in absorber 4, are input into from absorber 4 by the adsorption treatment of absorber 4 to removing In wet device 5, it is input into heater 6 after the dehumidification treatments of dehumidifier 5, by the heat treatment of heater 6, nitrogen oxidation Object is completely converted into nitric oxide and nitrogen dioxide, and then the mixed gas of nitric oxide and nitrogen dioxide is input into reactor tank 9 In, while the oxygen in oxygen tank 7 is pumped into reactor tank 9 by air pump 8, and under the effect of the catalyst, nitric oxide and oxygen Reaction is converted into nitrogen dioxide, and then nitrogen dioxide gas reacts in process chamber 10 with treatment fluid, is then input into inspection Survey device 15 in, the detection of device 15 after testing, if there is still nitrogen oxides by gas by efferent duct 17 be discharged into recycle into Tracheae 18, continues with, if testing result shows to rotate turntable 16 without containing nitrogen oxides in gas, make escape pipe 17 are no longer connected to circulation air inlet pipe 18, and gas is rejected in environment, the purity level of gas after processing is improved, in addition, During processing, waste liquid is discharged by outlet tube 11 and then by 13 input processing liquid of inlet, ensure that exhaust-gas treatment The continuity of process opens cabinet door 12 after use, cleans to process chamber 10, increases cleaning process just Victory.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of nitrogen oxide waste gas treatment apparatus, including main air inlet pipe (1), it is characterised in that: the one of the main air inlet pipe (1) End is provided with the first air inlet pipe (2) and the second air inlet pipe (3), and first air inlet pipe (2) and one end of the second air inlet pipe (3) are equal It is fixedly connected with absorber (4), the side of the absorber (4) is fixedly connected with dehumidifier (5), the dehumidifier by pipeline (5) side is fixedly connected having heaters (6) by pipeline, and the bottom of the heater (6) is fixedly connected with instead by pipeline It answers tank (9), circulation air inlet pipe (18) is installed at a side position of heater (6) at the top of the reactor tank (9), it is described to follow It is equipped at the top of ring air inlet pipe (18) sealing ring (19), the reactor tank (9) passes through pipeline adjacent to the side of heater (6) It is fixedly connected with air pump (8), the side of the air pump (8) is fixedly connected with oxygen tank (7) by pipeline, the reactor tank (9) Side relative to air pump (8) is fixedly connected with process chamber (10) by pipeline, and the bottom of the process chamber (10) is equipped with out Liquid pipe (11), and the side of process chamber (10) is connected with cabinet door (12) by articulate, offered on the cabinet door (12) into The top of liquid mouth (13), the process chamber (10) is fixedly connected with detector (14) by pipeline, and the one of the detector (14) Side is equipped with pedestal (15), and the side of the pedestal (15) is equipped with turntable (16), and the side of the turntable (16) is equipped with out Tracheae (17).
2. a kind of nitrogen oxide waste gas treatment apparatus according to claim 1, it is characterised in that: the process chamber (10) with Seal rubber is provided at the link position of cabinet door (12).
3. a kind of nitrogen oxide waste gas treatment apparatus according to claim 1, it is characterised in that: the one of the cabinet door (12) Side is provided with bolt, and shrinkage pool corresponding with bolt is provided on process chamber (10).
4. a kind of nitrogen oxide waste gas treatment apparatus according to claim 1, it is characterised in that: the reactor tank (9) It is internally provided with Catalytic Layer.
5. a kind of nitrogen oxide waste gas treatment apparatus according to claim 1, it is characterised in that: the circulation air inlet pipe (18) it is connected with escape pipe (17).
CN201810943825.5A 2018-08-18 2018-08-18 A kind of nitrogen oxide waste gas treatment apparatus Withdrawn CN109012084A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810943825.5A CN109012084A (en) 2018-08-18 2018-08-18 A kind of nitrogen oxide waste gas treatment apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810943825.5A CN109012084A (en) 2018-08-18 2018-08-18 A kind of nitrogen oxide waste gas treatment apparatus

Publications (1)

Publication Number Publication Date
CN109012084A true CN109012084A (en) 2018-12-18

Family

ID=64631950

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810943825.5A Withdrawn CN109012084A (en) 2018-08-18 2018-08-18 A kind of nitrogen oxide waste gas treatment apparatus

Country Status (1)

Country Link
CN (1) CN109012084A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009041487A (en) * 2007-08-09 2009-02-26 Toyota Motor Corp Exhaust emission control device of internal combustion engine
CN204275813U (en) * 2014-11-28 2015-04-22 天津聚雅源科技有限公司 System for removing nitrogen oxides in air through catalytic oxidation
CN107297142A (en) * 2017-06-21 2017-10-27 江苏康易达医疗科技有限公司 A kind of flue gas purifying method
CN206746237U (en) * 2017-04-26 2017-12-15 南安泰达工业设计有限公司 A kind of equipment for treating industrial waste gas
CN207342437U (en) * 2017-09-04 2018-05-11 临安赫尔伯生物科技有限公司 A kind of industrial emission-control equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009041487A (en) * 2007-08-09 2009-02-26 Toyota Motor Corp Exhaust emission control device of internal combustion engine
CN204275813U (en) * 2014-11-28 2015-04-22 天津聚雅源科技有限公司 System for removing nitrogen oxides in air through catalytic oxidation
CN206746237U (en) * 2017-04-26 2017-12-15 南安泰达工业设计有限公司 A kind of equipment for treating industrial waste gas
CN107297142A (en) * 2017-06-21 2017-10-27 江苏康易达医疗科技有限公司 A kind of flue gas purifying method
CN207342437U (en) * 2017-09-04 2018-05-11 临安赫尔伯生物科技有限公司 A kind of industrial emission-control equipment

Similar Documents

Publication Publication Date Title
CN210021598U (en) Waste gas circulation treatment device
CN210624545U (en) Environment-friendly exhaust treatment device
CN205965460U (en) Dyestuff exhaust gas purification device
CN104815512A (en) Circulating water-washing type waste gas treatment device
CN215654531U (en) Multifunctional efficient integrated waste gas desulfurization and denitrification device
CN211041019U (en) Activated carbon adsorption desorption catalytic combustion equipment
CN109012084A (en) A kind of nitrogen oxide waste gas treatment apparatus
CN205340444U (en) Purifier is used in workshop
CN106861382A (en) A kind of low-temperature plasma waste gas treatment device
CN215916959U (en) Novel exhaust purification recovery plant is used in nitrocotton production
CN206276184U (en) A kind of low-light resonance catalytic converter
CN205995199U (en) A kind of processing meanss for dyestuff waste gas
CN211328918U (en) Exhaust equipment control system
CN210874835U (en) Complete set of waste gas treatment device
CN209576193U (en) A kind of dust pelletizing system reducing dioxin
CN211725254U (en) Aluminum veneer spraying paint waste gas treatment system
CN209865691U (en) Waste gas treatment device that oil drilling produced
CN208302514U (en) A kind of consumer waste incineration application exhaust smoke processing device with environment-friendly function
CN205746911U (en) A kind of waste gas burner
CN210229517U (en) Circulating waste gas dust collecting equipment
CN214233412U (en) Asphalt flue gas purification treatment device
CN216388423U (en) Comprehensive training device for waste gas treatment technology
CN220460201U (en) Waste gas purification device for resin processing
CN212523559U (en) Filtering waste gas collecting tower
CN214437957U (en) Electric arc furnace flue gas desulfurization reaction tower

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: 20181218