CN108826403A - A kind of kitchen fume absorption purification device with function of recovering waste heat - Google Patents

A kind of kitchen fume absorption purification device with function of recovering waste heat Download PDF

Info

Publication number
CN108826403A
CN108826403A CN201810746986.5A CN201810746986A CN108826403A CN 108826403 A CN108826403 A CN 108826403A CN 201810746986 A CN201810746986 A CN 201810746986A CN 108826403 A CN108826403 A CN 108826403A
Authority
CN
China
Prior art keywords
waste heat
oil
pipe
fume purifier
fume
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Withdrawn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
CN201810746986.5A
Other languages
Chinese (zh)
Inventor
陈博海
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 CN201810746986.5A priority Critical patent/CN108826403A/en
Publication of CN108826403A publication Critical patent/CN108826403A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/06Arrangements of devices for treating smoke or fumes of coolers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Treating Waste Gases (AREA)
  • Ventilation (AREA)

Abstract

The invention discloses a kind of, and the kitchen fume with function of recovering waste heat draws purification device, bolt is fixed with air-suction cover on the table wall of wall side, the air-suction cover is fixedly connected by the first variable diameter cover that heat preserving conduit pipe is connect with oil fume purifier one end, elbow is provided at end position in the heat preserving conduit pipe, the oil fume purifier is connected with blower by the second variable diameter cover, and the blower is fixedly connected with exhaust pipe by connecting conduit.In the present invention, waste heat recovery pipe is embedded on oil fume purifier appearance wall, it is filled the water by water inlet pipe into waste heat recovery pipe, it can use the water in the temperature heating waste heat recovery pipe of flue gas, use for kitchen, to realize heat recovery, it is provided with heat preserving conduit pipe and insulating layer simultaneously, the setting of heat preserving conduit pipe reduces temperature leak of the flue gas when being transferred in oil fume purifier, the setting of insulating layer, the loss of waste heat recovery pipe temperature is reduced, to effectively raise the efficiency of waste heat recycling.

Description

A kind of kitchen fume absorption purification device with function of recovering waste heat
Technical field
The present invention relates to kitchen oil fume purifying technical field more particularly to a kind of kitchen fumes with function of recovering waste heat Draw purification device.
Background technique
When oil is heated beyond 200 DEG C, generate the main component methacrylaldehyde of oil smoke, it have strong acid, to nose, Eye, throat mucous membrane have stronger stimulation, can cause the respiratory diseases such as rhinitis, sphagitis, tracheitis;When rusting to " spitting fire " When, oil temperature is more than 300 DEG C, at this moment other than generating methacrylaldehyde, can also generate condensate, leads to slow poisoning, and easy induction is exhaled Suction and cancer in digestive system, it is very important for fume purifying.
However to draw purification device structure simple for existing kitchen fume, does not recycle knot for the waste heat in flue gas Structure leads to the waste of thermal energy, and secondly the structure of oil smoke evolution device is simple, is not easy to the cleaning and maintenance of internal screen, then had The greasy dirt that filter generates generally is deposited in the inside of fume purifier of fume, and cleaning trouble easily influences what fume purifier of fume used Stability.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and there is the one kind proposed waste heat to recycle function The kitchen fume of energy draws purification device.
To achieve the goals above, present invention employs following technical solutions:A kind of kitchen with function of recovering waste heat Oil smoke draws purification device, including wall, air-suction cover and oil fume purifier, and bolt is fixed with air-breathing on the wall side table wall Cover, the air-suction cover are fixedly connected by the first variable diameter cover that heat preserving conduit pipe is connect with oil fume purifier one end, and the heat preservation is led Elbow is provided in pipe at end position, the oil fume purifier is connected with blower by the second variable diameter cover, and the blower passes through company It connects conduit and is fixedly connected with exhaust pipe, the oil fume purifier front surface is rotatably connected to hermatic door, the oil smoke by hinge The inside of clarifier be successively connected with from left to right in the horizontal direction cooking fume filter, sulfide clarifier, dust filter and Stink adsorption plate is socketed with outer shield on the oil fume purifier appearance wall, is located at outer shield on the oil fume purifier appearance wall Being internally embedded for cover is fixed with waste heat recovery pipe, and insulating layer, and packet on the outside of insulating layer are enclosed on the outside of the waste heat recovery pipe It is wrapped with puigging, wherein insulating layer and puigging are respectively positioned on the inside of outer shield.
It is as above-mentioned technical proposal to further describe:
The both ends of the oil fume purifier are symmetrically arranged with the first company for cooperating the first variable diameter cover and the second variable diameter cover to use Adapter tube and the second connecting tube, and gasket is embedded at the port of the first connecting tube and the second connecting tube.
It is as above-mentioned technical proposal to further describe:
The oil fume purifier is made of external frame and the oil smoke filter plate being connected to inside external frame, the external frame Bottom is connected with oil storage box, is welded with bracket between the oil smoke filter plate and external frame.
It is as above-mentioned technical proposal to further describe:
The bottom of the oil storage box is connected with the oil exit pipe through oil fume purifier, and control valve is provided on oil exit pipe.
It is as above-mentioned technical proposal to further describe:
The waste heat recovery pipe both ends are connected separately with water inlet pipe and outlet pipe through outer shield.
It is as above-mentioned technical proposal to further describe:
The cooking fume filter, sulfide clarifier, dust filter and stink adsorption plate are parallel to each other, and cooking fume filter, Spacing between sulfide clarifier, dust filter and stink adsorption plate is equal.
It is as above-mentioned technical proposal to further describe:
The oil smoke filter plate is V-structure.
In the present invention, firstly, by being embedded with waste heat recovery pipe on oil fume purifier appearance wall, by water inlet pipe to waste heat Water filling in recovery tube can use the water in the temperature heating waste heat recovery pipe of flue gas, for the use in kitchen, to realize Heat recovery has saved the energy, while being provided with heat preserving conduit pipe and insulating layer, and the setting of heat preserving conduit pipe reduces flue gas and exists Temperature leak when being transferred in oil fume purifier, the setting of insulating layer reduces the loss of waste heat recovery pipe temperature, to have The efficiency for improving waste heat recycling of effect, secondly oil fume purifier front surface is provided with hermatic door, the oil inside oil fume purifier Cigarette filter, sulfide clarifier, dust filter and stink adsorption plate are connected to inside oil fume purifier, the process used In, it can periodically open hermatic door and disassemble cooking fume filter, sulfide clarifier, dust filter and stink adsorption plate Carry out cleaning and maintenance, it is very convenient to make its cleaning and maintenance for the design of such structure, then have oil fume purifier by external frame and The oil smoke filter plate composition being connected to inside external frame, the bottom of external frame is connected with oil storage box, the oil smoke filter plate of V-structure The greasy dirt filtered in flue gas can be to collect, so that the greasy dirt that cooking fume filter filtering generates will not be deposited in water conservancy diversion to oil storage box Inside oil fume purifier, guarantee the stability that oil fume purifier uses, and the bottom of oil storage box is connected with through oil fume purifier Oil exit pipe, control valve is provided on oil exit pipe, opening control valve, the greasy dirt of oil smoke filter plates can be discharged automatically, make The cleaning for obtaining greasy dirt is very convenient.
Detailed description of the invention
Fig. 1 is the structural representation that a kind of kitchen fume with function of recovering waste heat proposed by the present invention draws purification device Figure;
Fig. 2 is the structural schematic diagram of oil fume purifier of the present invention;
Fig. 3 is the structural schematic diagram of cooking fume filter of the present invention;
Fig. 4 is the sectional view of oil fume purifier of the present invention.
Marginal data:
1- wall, 2- air-suction cover, 3- heat preserving conduit pipe, 4- elbow, the first variable diameter of 5- cover, 6- oil fume purifier, the connection of 61- first Pipe, the second connecting tube of 62-, 63- gasket, the second variable diameter of 7- cover, 8- blower, 9- connecting conduit, 10- exhaust pipe, 11- sealing Door, 12- cooking fume filter, 13- sulfide clarifier, 14- dust filter, 15- stink adsorption plate, 16- outer shield, outside 17- Portion's frame, 18- oil smoke filter plate, 19- bracket, 20- oil storage box, 21- oil exit pipe, 22- control valve, 23- waste heat recovery pipe, 24- into Water pipe, 25- outlet pipe, 26- insulating layer, 27- puigging.
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.
Embodiment one:Referring to Fig.1-4, a kind of kitchen fume with function of recovering waste heat draws purification device, including wall Body 1, air-suction cover 2 and oil fume purifier 6, bolt is fixed with air-suction cover 2 on 1 side table wall of wall, and air-suction cover 2 passes through heat preserving conduit pipe 3 the first variable diameter covers 5 connecting with 6 one end of oil fume purifier are fixedly connected, and are provided with elbow 4 in heat preserving conduit pipe 3 at end position, oil Fume purifier 6 is connected with blower 8 by the second variable diameter cover 7, and blower 8 is fixedly connected with exhaust pipe 10, oil smoke by connecting conduit 9 6 front surface of clarifier is rotatably connected to hermatic door 11 by hinge, the inside of oil fume purifier 6 in the horizontal direction from left to right according to It is secondary to be connected with cooking fume filter 12, sulfide clarifier 13, dust filter 14 and stink adsorption plate 15, outside oil fume purifier 6 Outer shield 16 is socketed on table wall, outer shield 16 is located on 6 appearance wall of oil fume purifier is internally embedded the fixed recycling that has surplus heat Pipe 23, the outside of waste heat recovery pipe 23 is enclosed with insulating layer 26, and puigging 27 is enclosed on the outside of insulating layer 26, wherein insulating layer 26 and puigging 27 be respectively positioned on the inside of outer shield 16.
Embodiment two:Referring to Fig.1-2, the both ends of oil fume purifier 6 are symmetrically arranged with for cooperating the first variable diameter cover 5 and the The first connecting tube 61 and the second connecting tube 62 that two variable diameter covers 7 use, and the port of the first connecting tube 61 and the second connecting tube 62 Place is embedded with gasket 63, and the setting of the first variable diameter cover 5 increases inside the flue gas and oil smoke evolution device 6 that heat preserving conduit pipe 3 is discharged The contact area of cooking fume filter 12, sulfide clarifier 13, dust filter 14 and stink adsorption plate 15 improves it and is imitated Rate.
Embodiment three:Referring to Fig. 2-3, oil fume purifier 12 is by external frame 17 and the oil being connected to inside external frame 17 Cigarette filter plate 18 forms, and the bottom of external frame 17 is connected with oil storage box 20, is welded between oil smoke filter plate 18 and external frame 17 Bracket 19, the bottom of oil storage box 20 is connected with the oil exit pipe 21 through oil fume purifier 6, and is provided with control valve on oil exit pipe 21 22, oil smoke filter plate 18 is V-structure, the greasy dirt water conservancy diversion that the oil smoke filter plate 18 of V-structure can generate filtering to oil storage box 20 Interior collection facilitates the exclusion of greasy dirt, and the setting of oil exit pipe 21 so that greasy dirt will not be deposited in the bottom of oil fume purifier 6, into One step facilitates the removal of greasy dirt in oil storage box 20, opens the control valve 22 on oil exit pipe 21, the greasy dirt in oil storage box 20 It is discharged with directly passing through oil exit pipe 21.
Example IV:Referring to Fig. 4,23 both ends of waste heat recovery pipe be connected separately with through outer shield 16 water inlet pipe 24 and go out Water pipe 25, water inlet pipe 24 into waste heat recovery pipe 23 for filling the water, by the waste-heat waste heat recovery pipe 23 in flue gas Then water is carried out by the discharge of outlet pipe 25 using realizing UTILIZATION OF VESIDUAL HEAT IN, saved thermal energy.
Embodiment 5:Referring to Fig. 2, cooking fume filter 12, sulfide clarifier 13, dust filter 14 and stink adsorption plate 15 are parallel to each other, and the spacing between cooking fume filter 12, sulfide clarifier 13, dust filter 14 and stink adsorption plate 15 It is equal, by being provided with cooking fume filter 12, sulfide clarifier 13, dust filter 14 and stink adsorption plate 15, so that oily Fume purifier 6 has the function of greasy dirt purification, sulfide purification, dust filtering and stink absorption, improves its using effect.
Working principle:In use, the kitchen fume with function of recovering waste heat, which is drawn purification device, connects power supply, Blower 8 is opened, by the generation suction of blower 8, oil smoke in kitchen is drawn using air-suction cover 2, oil is transferred to by heat preserving conduit pipe 3 Inside fume purifier 6, pass through cooking fume filter 12, sulfide clarifier 13,14 and of dust filter inside oil fume purifier 6 After stink adsorption plate 15 carries out purification absorption to flue gas, then it is discharged by connecting conduit 9 from exhaust pipe 10, meanwhile, it uses In the process, it can be filled the water by water inlet pipe 24 into waste heat recovery pipe 23, pass through the waste-heat waste heat recovery pipe 23 in flue gas Interior water, then carried out by the discharge of outlet pipe 25 using realizing UTILIZATION OF VESIDUAL HEAT IN, saved thermal energy.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (7)

1. a kind of kitchen fume with function of recovering waste heat draws purification device, including wall(1), air-suction cover(2)And oil smoke Clarifier(6), which is characterized in that the wall(1)Bolt is fixed with air-suction cover on the table wall of side(2), the air-suction cover(2)It is logical Cross heat preserving conduit pipe(3)With oil fume purifier(6)First variable diameter cover of one end connection(5)It is fixedly connected, the heat preserving conduit pipe(3)In Elbow is provided at end position(4), the oil fume purifier(6)Pass through the second variable diameter cover(7)It is connected with blower(8), the wind Machine(8)Pass through connecting conduit(9)It is fixedly connected with exhaust pipe(10), the oil fume purifier(6)Front surface is rotated by hinge It is connected with hermatic door(11), the oil fume purifier(6)Inside be successively connected with filtering oil smoke from left to right in the horizontal direction Device(12), sulfide clarifier(13), dust filter(14)With stink adsorption plate(15), the oil fume purifier(6)Appearance Outer shield is socketed on wall(16), the oil fume purifier(6)It is located at outer shield on appearance wall(16)Be internally embedded and be fixed with Waste heat recovery pipe(23), the waste heat recovery pipe(23)Outside be enclosed with insulating layer(26), and insulating layer(26)Outside package There is puigging(27), wherein insulating layer(26)And puigging(27)It is respectively positioned on outer shield(16)Inside.
2. a kind of kitchen fume with function of recovering waste heat according to claim 1 draws purification device, feature exists In the oil fume purifier(6)Both ends be symmetrically arranged with for cooperate the first variable diameter cover(5)With the second variable diameter cover(7)It uses The first connecting tube(61)With the second connecting tube(62), and the first connecting tube(61)With the second connecting tube(62)Port at it is embedding There is gasket(63).
3. a kind of kitchen fume with function of recovering waste heat according to claim 1 draws purification device, feature exists In the oil fume purifier(12)By external frame(17)Be connected to external frame(17)Internal oil smoke filter plate(18)Group At the external frame(17)Bottom be connected with oil storage box(20), the oil smoke filter plate(18)With external frame(17)Between It is welded with bracket(19).
4. a kind of kitchen fume with function of recovering waste heat according to claim 3 draws purification device, feature exists In the oil storage box(20)Bottom be connected with through oil fume purifier(6)Oil exit pipe(21), and oil exit pipe(21)Upper setting There is control valve(22).
5. a kind of kitchen fume with function of recovering waste heat according to claim 1 draws purification device, feature exists In the waste heat recovery pipe(23)Both ends are connected separately with through outer shield(16)Water inlet pipe(24)And outlet pipe(25).
6. a kind of kitchen fume with function of recovering waste heat according to claim 1 draws purification device, feature exists In the cooking fume filter(12), sulfide clarifier(13), dust filter(14)With stink adsorption plate(15)It is mutually flat Row, and cooking fume filter(12), sulfide clarifier(13), dust filter(14)With stink adsorption plate(15)Between spacing It is equal.
7. a kind of kitchen fume with function of recovering waste heat according to claim 3 draws purification device, feature exists In the oil smoke filter plate(18)For V-structure.
CN201810746986.5A 2018-07-09 2018-07-09 A kind of kitchen fume absorption purification device with function of recovering waste heat Withdrawn CN108826403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810746986.5A CN108826403A (en) 2018-07-09 2018-07-09 A kind of kitchen fume absorption purification device with function of recovering waste heat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810746986.5A CN108826403A (en) 2018-07-09 2018-07-09 A kind of kitchen fume absorption purification device with function of recovering waste heat

Publications (1)

Publication Number Publication Date
CN108826403A true CN108826403A (en) 2018-11-16

Family

ID=64136491

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810746986.5A Withdrawn CN108826403A (en) 2018-07-09 2018-07-09 A kind of kitchen fume absorption purification device with function of recovering waste heat

Country Status (1)

Country Link
CN (1) CN108826403A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112555947A (en) * 2020-12-11 2021-03-26 江西云聚信息科技有限公司 Oil fume purifier capable of utilizing waste heat
CN114234693A (en) * 2021-11-23 2022-03-25 贵州省八达岭木业有限公司 Transmission device based on waste heat utilization

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112555947A (en) * 2020-12-11 2021-03-26 江西云聚信息科技有限公司 Oil fume purifier capable of utilizing waste heat
CN114234693A (en) * 2021-11-23 2022-03-25 贵州省八达岭木业有限公司 Transmission device based on waste heat utilization

Similar Documents

Publication Publication Date Title
CN207622580U (en) A kind of waste-heat recovery device of boiler tubing
CN209302469U (en) A kind of reaction kettle waste gas continuous purification processing unit
CN108826403A (en) A kind of kitchen fume absorption purification device with function of recovering waste heat
CN208893902U (en) A kind of intermediate frequency furnace flue gas processing device
CN208901469U (en) A kind of kitchen fume absorption purification device with function of recovering waste heat
CN206919690U (en) A kind of heat reclaim unit
CN106902605A (en) Improved industry lampblack processing unit
CN110332831B (en) High-efficient waste heat recovery device of convenient maintenance
CN207628122U (en) Weld flue gas purification system
CN206965411U (en) A kind of gas cleaning and residual neat recovering system
CN214486166U (en) High-efficient environmental protection industrial waste gas treatment device
CN211215920U (en) A coating cloud collection device for enameled wire workshop
CN207472076U (en) A kind of waste-heat recovery device of aluminium melting furnace
CN209672373U (en) A kind of boiler waste gas heat recovery reuse means
CN207622178U (en) A kind of gas fired water heater of dust removal
CN207778530U (en) Energy-saving environmentally-friehoty hoty water oil smoke removing machine
CN207936038U (en) A kind of concatermer steam generation facility
CN207334756U (en) Wet steam generator convection section automatic ash blowing system
CN206959045U (en) One kind energy-conservation, which helps, inhales range hood and pan bracket
CN206131032U (en) Energy -conserving complete set combined system that removes dust of small -size boiler
CN218495855U (en) Energy storage device for steel smelting waste heat power generation
CN205783020U (en) A kind of effective absorption waste heat boiler containing zinc high-temperature flue gas waste heat
CN215893322U (en) Flue gas waste heat recovery gas purge tower
CN209386869U (en) A kind of exhaust-gas treatment environmental protecting device
CN209415425U (en) Heat exchanger output-controlling device

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

Application publication date: 20181116

WW01 Invention patent application withdrawn after publication