CN111006214A - Burn abundant environment-friendly refuse handling installation - Google Patents

Burn abundant environment-friendly refuse handling installation Download PDF

Info

Publication number
CN111006214A
CN111006214A CN201911316041.0A CN201911316041A CN111006214A CN 111006214 A CN111006214 A CN 111006214A CN 201911316041 A CN201911316041 A CN 201911316041A CN 111006214 A CN111006214 A CN 111006214A
Authority
CN
China
Prior art keywords
incinerator
fixedly connected
incineration
friendly garbage
rack
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Withdrawn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
CN201911316041.0A
Other languages
Chinese (zh)
Inventor
黄世昕
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 CN201911316041.0A priority Critical patent/CN111006214A/en
Publication of CN111006214A publication Critical patent/CN111006214A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • 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
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/04Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses an environment-friendly garbage incinerator with full incineration, and relates to garbage disposal equipment, which comprises an incinerator and a purification furnace, wherein the incinerator and the purification furnace are fixed on a bottom plate; the right side of the incinerator is communicated with the purifying furnace through a pipeline, and the middle part of the pipeline is fixedly connected with a filtering device; the top of the purifying furnace is fixedly connected with a water pump which is communicated with the bottom in the purifying furnace through a water suction pipe. The device has the advantages of simple structure and convenient use, burns in the incinerator when in use, burns sufficiently and thoroughly, can gradually shorten the distance between the combustion device and the incineration box along with the burning, accelerates the burning process, can filter the burnt air, and sufficiently and thoroughly purifies the burnt air in a water bath dust removal mode, ensures that the discharged tail gas does not contain pollutants, is energy-saving and environment-friendly, and is worthy of popularization.

Description

Burn abundant environment-friendly refuse handling installation
Technical Field
The invention relates to garbage disposal equipment, in particular to an environment-friendly garbage disposal furnace with full incineration.
Background
The waste incineration is a process of subjecting waste to oxidation at a high temperature by appropriate thermal decomposition, combustion, melting, or other reaction to reduce the volume of the waste to form a residue or a molten solid substance.
The waste incineration is an old traditional method for treating the waste, and the waste incineration method is one of the main methods for treating the urban waste because the waste is treated by the incineration method, the reduction effect is obvious, the land is saved, various pathogens can be eliminated, and toxic and harmful substances are converted into harmless substances.
Although the existing environment-friendly garbage incinerator has higher environmental protection information, the existing equipment does not have the function of purifying the incinerated tail gas, the incinerating effect of the other part of equipment is not good, the volume reduction speed is relatively slow, and more energy is wasted. Therefore, the technical personnel in the field propose an environment-friendly garbage disposal furnace with sufficient incineration to solve the problems proposed in the background.
Disclosure of Invention
The invention aims to provide an environment-friendly garbage disposal furnace with sufficient incineration so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an environment-friendly garbage incinerator with full incineration comprises an incinerator and a purification furnace which are fixed on a bottom plate, wherein an incineration box is arranged in the incinerator, a stirring device is arranged on the inner side of the incineration box, and a combustion device is arranged at the bottom in the incinerator; the right side of the incinerator is communicated with the purifying furnace through a pipeline, and the middle part of the pipeline is fixedly connected with a filtering device; the top of the purification furnace is fixedly connected with a water pump, the water pump is communicated with the bottom in the purification furnace through a water suction pipe, the outlet of the water pump is connected with a disc positioned at the inner side of the purification furnace through a water outlet pipe, and spray heads are uniformly distributed below the disc.
As a further scheme of the invention: the bottom of the bottom plate is fixedly connected with universal wheels in a bilateral symmetry mode.
As a still further scheme of the invention: agitating unit is including being fixed in the motor that burns burning furnace top, the vertical pivot of motor output fixedly connected with, and vertical pivot bottom fixedly connected with commentaries on classics piece, and the rotation piece bilateral symmetry rotates and is connected with the stirring bull stick, stirring bull stick outer end fixedly connected with drive gear, and burning incasement inside below fixedly connected with ring gear, drive gear and ring gear meshing, stirring bull stick outside fixedly connected with stirring branch.
As a still further scheme of the invention: burn inboard sliding connection of burning furnace and have vertical litter, vertical litter runs through burning box and is connected with the clamp plate, the first rack of vertical litter outer end fixedly connected with burns burning furnace lateral wall and rotates and is connected with drive gear, drive gear inner and first rack meshing, burn burning furnace inboard sliding connection has the second rack, and the second rack meshes with the drive gear outside, burner and second rack fixed connection, first rack top fixedly connected with drive spring, drive spring and burning box outer wall fixed connection's locating piece fixed connection.
As a still further scheme of the invention: the filtering device comprises a filtering box, wherein the inner side of the filtering box is fixedly connected with a first filtering layer, a second filtering layer and a third filtering layer in sequence.
As a still further scheme of the invention: one of the first filter layer, the second filter layer and the third filter layer is an activated carbon filter layer.
As a still further scheme of the invention: the water pump and the motor are respectively electrically connected with the power supply through the switch.
As a still further scheme of the invention: burn case front side top and seted up the rubbish charge door, burn case front side below and seted up the rubbish discharge gate, the feed inlet is provided with the apron with the discharge gate outside respectively, purification furnace front side below fixedly connected with trades the water pipe, trades water pipe middle part fixedly connected with trades the water valve.
As a still further scheme of the invention: the pipeline, the water suction pipe and the water outlet pipe are all metal pipes.
As a still further scheme of the invention: the upper part of the pressure plate is fixedly connected with a longitudinal pull rod, and the top of the longitudinal pull rod penetrates through the incinerator and is in sliding connection with the incinerator.
Compared with the prior art, the invention has the beneficial effects that: the device has the advantages of simple structure and convenient use, burns in the incinerator when in use, burns sufficiently and thoroughly, can gradually shorten the distance between the combustion device and the incineration box along with the burning, accelerates the burning process, can filter the burnt air, and sufficiently and thoroughly purifies the burnt air in a water bath dust removal mode, ensures that the discharged tail gas does not contain pollutants, is energy-saving and environment-friendly, and is worthy of popularization.
Drawings
FIG. 1 is a schematic view of an environmentally friendly garbage incinerator with sufficient incineration;
FIG. 2 is a schematic sectional view of an environmentally friendly garbage incinerator with sufficient incineration;
FIG. 3 is a partial enlarged view of the place A in the environment-friendly garbage incinerator with sufficient incineration;
FIG. 4 is a partial enlarged view of a portion B of an environmentally friendly garbage incinerator with sufficient incineration;
FIG. 5 is a view showing the connection between the incineration box and the incinerator in the environment-friendly garbage disposal furnace with sufficient incineration;
in the figure: 1-bottom plate, 2-incinerator, 3-purification furnace, 4-incineration box, 5-combustion device, 6-pipeline, 7-filtration device, 8-water pump, 9-water suction pipe, 10-water outlet pipe, 11-disk, 12-nozzle, 13-universal wheel, 14-motor, 15-longitudinal rotating shaft, 16-rotating block, 17-stirring rotating rod, 18-driving gear, 19-toothed ring, 20-stirring supporting rod, 21-longitudinal sliding rod, 22-pressing plate, 23-first rack, 24-driving gear, 25-second rack, 26-driving spring, 27-positioning block, 28-filtration box, 29-first filtration layer, 30-second filtration layer, 31-third filtration layer, 32-cover plate, 33-water changing pipe, 34-water changing valve and 35-longitudinal pull rod.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The first embodiment is as follows: referring to fig. 1-5, an environment-friendly garbage incinerator with sufficient incineration comprises an incinerator 2 and a purification furnace 3 fixed on a bottom plate 1, wherein an incineration box 4 is arranged in the incinerator 2, a stirring device is arranged on the inner side of the incineration box 4, and a combustion device 5 is arranged at the bottom in the incinerator 2; the right side of the incinerator 2 is communicated with the purifying furnace 3 through a pipeline 6, and the middle part of the pipeline 6 is fixedly connected with a filtering device 7; purify 3 top fixedly connected with water pumps 8 of stove, water pump 8 is through absorbing water pipe 9 and purify bottom intercommunication in the stove 3, and 8 exports of water pump are connected with through outlet pipe 10 and are located the disc 11 that purifies 3 inboards of stove, and 11 below equipartitions of disc have shower nozzle 12, and 8 circulations of water pump will purify the purification water of bottom and take out and spray the operation, fully contact once more with tail gas, absorb the pollutant, and purifying effect can be ensured.
The bottom of the bottom plate 1 is fixedly connected with universal wheels 13 in a bilateral symmetry mode.
The stirring device comprises a motor 14 fixed at the top of the incinerator 2, the output end of the motor 14 is fixedly connected with a longitudinal rotating shaft 15, the bottom of the longitudinal rotating shaft 15 is fixedly connected with a rotating block 16, the rotating block 16 is bilaterally symmetrically and rotatably connected with a stirring rotating rod 17, the outer end of the stirring rotating rod 17 is fixedly connected with a driving gear 18, a toothed ring 19 is fixedly connected below the inner part of the incinerator 4, the driving gear 18 is meshed with the toothed ring 19, and the outer side of the stirring rotating rod 17 is fixedly connected with a stirring support rod 20;
arrange rubbish in combustion box 4 during the use, open motor 14 and burner 5, motor 14 drives commentaries on classics piece 16 and rotates in the rotation process, and drive gear 18 rotates in step, turnover when drive gear 18 rotates and can drive stirring bull stick 17 and the rotation of stirring branch pole 20, abundant mix rubbish, it is abundant to ensure the burning, reduction rubbish volume that can be more abundant, at the initial stage of burning, burner 5 is close to the bottom, the temperature can be conducted to 4 bottoms of combustion box and sides, reduce the volume with higher speed.
The inner side of the incinerator 2 is slidably connected with a longitudinal sliding rod 21, the longitudinal sliding rod 21 penetrates through the incinerator box 4 and is connected with a pressing plate 22, the outer end of the longitudinal sliding rod 21 is fixedly connected with a first rack 23, the side wall of the incinerator 2 is rotatably connected with a transmission gear 24, the inner end of the transmission gear 24 is meshed with the first rack 23, the inner side of the incinerator 2 is slidably connected with a second rack 25, the second rack 25 is meshed with the outer side of the transmission gear 24, the combustion device 5 is fixedly connected with the second rack 25, a driving spring 26 is fixedly connected above the first rack 23, and the driving spring 26 is fixedly connected with a positioning block 27 fixedly connected with the outer wall of the incinerator;
as the volume is reduced, the pressing plate 22 moves downwards and drives the combustion device 5 to move upwards through the first rack 23, the transmission gear 24 and the second rack 25, so that the combustion device is close to the combustion box 4, heat is concentrated to burn garbage, and the volume reduction speed is ensured.
The filtering device 7 comprises a filtering box 28, a first filtering layer 29, a second filtering layer 30 and a third filtering layer 31 are fixedly connected to the inner side of the filtering box 28 in sequence, and one of the first filtering layer 29, the second filtering layer 30 and the third filtering layer 31 is an activated carbon filtering layer;
the tail gas after burning is purified in the purification furnace 3 after being filtered by the filtering device 7, and the tail gas is adsorbed by the first filtering layer 29, the second filtering layer 30 and the third filtering layer 31 by the filtering device 7 in sequence, so that pollutants in the air can be effectively reduced.
The water pump 8 and the motor 14 are respectively electrically connected with a power supply through a switch.
Burn 4 front sides top of case and seted up the rubbish charge door, burn 4 front sides below of case and seted up the rubbish discharge gate, the feed inlet is provided with apron 32 with the discharge gate outside respectively, purify 3 front sides below fixedly connected with of stove and trade water pipe 33, trade water pipe 33 middle part fixedly connected with trade water valve 34.
The pipeline 6, the water suction pipe 9 and the water outlet pipe 10 are all metal pipes.
Example two: this embodiment is a further improvement of the previous embodiment: a longitudinal pull rod 35 is fixedly connected above the pressure plate 22, and the top of the longitudinal pull rod 35 penetrates through the incinerator 2 and is connected with the incinerator 2 in a sliding manner. Pulling the longitudinal pull rod 35 upwards causes the press plate 22 to be positioned above the refuse, thus ensuring a fall with the reduction of refuse during the mixing process.
The working principle of the invention is as follows: when the garbage incinerator is used, garbage is placed in the combustion box 4, the motor 14 and the combustion device 5 are turned on, the motor 14 drives the rotating block 16 to rotate in the rotating process and synchronously drives the driving gear 18 to rotate, the driving gear 18 rotates to drive the stirring rotating rod 17 and the stirring supporting rod 20 to rotate and simultaneously rotate, the garbage is fully mixed, the sufficient combustion is ensured, the garbage volume can be fully reduced, the temperature is conducted to the bottom and the side surface of the combustion box 4 when the combustion device 5 is close to the bottom in the initial combustion stage, the volume is reduced in an accelerating mode, the pressing plate 22 moves downwards along with the reduction of the volume, the combustion device 5 is driven to move upwards through the first rack 23, the transmission gear 24 and the second rack 25, the garbage is close to the combustion box 4, heat is concentrated, and the garbage is burnt, and; tail gas purifies in purifying furnace 3 after the filtration of combustion back through filter equipment 7, and filter equipment 7 is with tail gas in proper order through the absorption back of first filter layer 29, second filter layer 30 and third filter layer 31, can effectively reduce the pollutant in the air, and the water pump 8 circulation is taken the purified water of bottom out in purifying furnace 3 and is sprayed the operation, fully contacts once more with tail gas, absorbs the pollutant, and purifying effect can be ensured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. An environment-friendly garbage incinerator with full incineration comprises an incinerator (2) and a purification furnace (3) which are fixed on a bottom plate (1), and is characterized in that an incineration box (4) is arranged in the incinerator (2), a stirring device is arranged on the inner side of the incineration box (4), and a combustion device (5) is arranged at the bottom in the incinerator (2); the right side of the incinerator (2) is communicated with the purifying furnace (3) through a pipeline (6), and the middle part of the pipeline (6) is fixedly connected with a filtering device (7); the top of the purifying furnace (3) is fixedly connected with a water pump (8), the water pump (8) is communicated with the bottom in the purifying furnace (3) through a water suction pipe (9), the outlet of the water pump (8) is connected with a disc (11) positioned on the inner side of the purifying furnace (3) through a water outlet pipe (10), and spray heads (12) are uniformly distributed below the disc (11).
2. The environmentally friendly garbage incinerator according to claim 1, wherein universal wheels (13) are fixedly connected to the bottom of the bottom plate (1) in a bilateral symmetry manner.
3. The environment-friendly garbage incinerator with full incineration according to claim 2, wherein the stirring device comprises a motor (14) fixed on the top of the incinerator (2), the output end of the motor (14) is fixedly connected with a longitudinal rotating shaft (15), the bottom of the longitudinal rotating shaft (15) is fixedly connected with a rotating block (16), the rotating block (16) is rotationally connected with stirring rotating rods (17) in bilateral symmetry, the outer end of each stirring rotating rod (17) is fixedly connected with a driving gear (18), the lower part of the inner part of the incinerator (4) is fixedly connected with a toothed ring (19), the driving gear (18) is meshed with the toothed ring (19), and the outer side of each stirring rotating rod (17) is fixedly connected with a stirring support rod (20).
4. The environmentally friendly garbage incinerator according to claim 3, the inner side of the incinerator (2) is connected with a longitudinal slide rod (21) in a sliding way, the longitudinal slide rod (21) penetrates through the incinerator box (4) and is connected with a pressing plate (22), the outer end of the longitudinal slide rod (21) is fixedly connected with a first rack (23), the side wall of the incinerator (2) is rotatably connected with a transmission gear (24), the inner end of the transmission gear (24) is meshed with the first rack (23), the inner side of the incinerator (2) is connected with a second rack (25) in a sliding way, the second rack (25) is meshed with the outer side of the transmission gear (24), the combustion device (5) is fixedly connected with the second rack (25), a driving spring (26) is fixedly connected above the first rack (23), and the driving spring (26) is fixedly connected with a positioning block (27) fixedly connected with the outer wall of the incineration box (4).
5. The environmentally friendly garbage incinerator according to any one of claims 1 to 4, wherein the filtering means (7) comprises a filtering box (28), and a first filtering layer (29), a second filtering layer (30) and a third filtering layer (31) are fixedly connected to the inner side of the filtering box (28) in sequence.
6. The environmentally friendly garbage incinerator according to claim 5, wherein one of the first filter layer (29), the second filter layer (30) and the third filter layer (31) is an activated carbon filter layer.
7. The environmentally friendly garbage incinerator according to claim 2, wherein the water pump (8) and the motor (14) are electrically connected to a power source through a switch, respectively.
8. The environment-friendly garbage incinerator with full incineration as claimed in claim 1, wherein a garbage charging opening is provided above the front side of the incineration box (4), a garbage discharging opening is provided below the front side of the incineration box (4), cover plates (32) are respectively provided outside the charging opening and the discharging opening, a water changing pipe (33) is fixedly connected below the front side of the purification furnace (3), and a water changing valve (34) is fixedly connected in the middle of the water changing pipe (33).
9. The environmentally friendly garbage incinerator according to claim 1, wherein the pipe (6), the suction pipe (9) and the water outlet pipe (10) are all metal pipes.
10. The environmentally friendly garbage incinerator with sufficient incineration according to claim 4, wherein a longitudinal tie (35) is fixedly connected above the pressing plate (22), and the top of the longitudinal tie (35) penetrates through the incinerator (2) and is slidably connected with the incinerator (2).
CN201911316041.0A 2019-12-19 2019-12-19 Burn abundant environment-friendly refuse handling installation Withdrawn CN111006214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911316041.0A CN111006214A (en) 2019-12-19 2019-12-19 Burn abundant environment-friendly refuse handling installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911316041.0A CN111006214A (en) 2019-12-19 2019-12-19 Burn abundant environment-friendly refuse handling installation

Publications (1)

Publication Number Publication Date
CN111006214A true CN111006214A (en) 2020-04-14

Family

ID=70116845

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911316041.0A Withdrawn CN111006214A (en) 2019-12-19 2019-12-19 Burn abundant environment-friendly refuse handling installation

Country Status (1)

Country Link
CN (1) CN111006214A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115342361A (en) * 2022-08-16 2022-11-15 江苏泛华环境科技有限公司 Incineration and purification integrated environment-friendly equipment for fixed wastes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115342361A (en) * 2022-08-16 2022-11-15 江苏泛华环境科技有限公司 Incineration and purification integrated environment-friendly equipment for fixed wastes
CN115342361B (en) * 2022-08-16 2023-11-14 江苏泛华环境科技有限公司 Incineration and purification integrated environment-friendly equipment for fixed waste

Similar Documents

Publication Publication Date Title
CN211526431U (en) Waste incineration treatment device
CN111992002A (en) Plastic refuse burns gaseous purifier
CN111006214A (en) Burn abundant environment-friendly refuse handling installation
CN212006536U (en) Turnover type drying device based on household garbage treatment
CN210219783U (en) Urban solid waste smashing and incinerating device
CN210373456U (en) Domestic waste incineration equipment
CN217635660U (en) Garbage treatment incinerator
CN206786723U (en) A kind of waste incinerator based on energy-conserving and environment-protective technology
CN113701164A (en) Solid waste incineration treatment device
CN210004407U (en) energy-saving environment-friendly garbage incineration treatment device
CN208170402U (en) A kind of Industrial Solid Waste incinerating and treating device
CN207298988U (en) A kind of petrochemical industry exhaust gas combustion purification device again
CN219243590U (en) Novel garbage disposal device
CN213528081U (en) Plastic refuse burns gaseous purifier
CN218442307U (en) Environment-friendly waste incinerator
CN217698518U (en) Waste gas treatment device of heat accumulating type incinerator
CN215909056U (en) Incineration device for garbage disposal
CN211854036U (en) Dangerous waste incinerator
CN213421114U (en) Urban and rural integrated environment treatment garbage recycling and incineration device
CN218721495U (en) High-temperature gasification low-oxygen combustion device
CN215112622U (en) Environment-friendly garbage incineration device
CN215138213U (en) Treatment device for pollutants in waste incineration flue gas
CN213708098U (en) Sludge drying and incineration treatment device
CN215175091U (en) Environment-friendly boiler for waste incineration
CN217402562U (en) Energy-efficient ventilation deodorization incineration waste treatment 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: 20200414

WW01 Invention patent application withdrawn after publication