CN110204095A - A kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater - Google Patents
A kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater Download PDFInfo
- Publication number
- CN110204095A CN110204095A CN201910498988.1A CN201910498988A CN110204095A CN 110204095 A CN110204095 A CN 110204095A CN 201910498988 A CN201910498988 A CN 201910498988A CN 110204095 A CN110204095 A CN 110204095A
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- Prior art keywords
- waste water
- cleaning
- self
- rose box
- type waste
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/006—Cartridges
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to technical field of environment protection equipment, disclose a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater, including treatment box, treatment box upper end is equipped with support frame, support frame upper end is equipped with driving motor by cushion, driving motor lower end is connected with driving gear, driving gear left end is engaged with intermediate gear, jackshaft is installed in the middle part of intermediate gear, jackshaft lower end passes through treatment box upper end and is connected with Rose Box, Rose Box bottom end is connected to treatment box inner bottom by rotary shaft, agitating shaft is equipped with inside jackshaft, agitating shaft lower end passes through Rose Box upper end and is connected to Rose Box inner bottom, paddle is equipped on the outside of agitating shaft inside Rose Box, driven gear is engaged on the left of intermediate gear, driven gear upper end is coaxially connected with rotating cylinder.The present invention is realized and is moved up and down to lifting ring, and then is cleaned automatically to the filter hole on the outside of Rose Box, it is ensured that filter effect, while also achieving the suck-back to waste water after filtering precipitating.
Description
Technical field
The present invention relates to technical field of environment protection equipment, specifically a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater.
Background technique
Waste water (wastewater) refers to the general name of the water being discharged in resident's active procedure and runoff rainwater.It includes life
Sewage, industrial wastewater and first rain diameter flow into other useless water such as sewer, and referring generally to cannot be again after certain technical treatment
Recycle or level-one pollution after make the water that certain standard is not achieved in pure processing difficulty.
With China's expanding economy, batch production while, also brings a large amount of pollution, these pollutants are discharged into environment
In, it has been more than the self-purification capacity of environment, while bringing great pressure to environmental improvement, the public untreated waste water of factory enters
It will cause water quality deterioration in water body, so that underground water pollutes, compromise the drinking water safety of surrounding population.
The cumbersome of existing sewage treatment equipment replacement filter membrane, it has not been convenient to filter membrane be replaced, lack and throw
Medicine hole, staticly settling by waste water causes waste water treatment efficiency slow, and Chinese patent (notification number: CN208802937U) discloses
A kind of furniture wastewater treatment social security, including outer case, dosing box, adjusting rod, flow-stopping plate and sliding rail, the left side on the outer case top
Side is provided with water inlet, and water outlet is provided on the right side of the outer case, and extension is fixed on the right side of the water inlet, described
Dosing box is fixedly mounted on the top of extension, and the bottom end of the dosing box is provided with drug tube, and the bottom end of the drug tube is passed through
It is through at the inside of extension, the left side and the left side inside outer case of the extension are provided with deflector, although the device
Being replaced and cleaned for filter membrane is facilitated by setting film frame, but disassembly process is still cumbersome, therefore, still sets to above-mentioned
It is standby to be further improved, to meet the cleaning needs to filter membrane.
Summary of the invention
The purpose of the present invention is to provide a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treaters, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme:
A kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater, including treatment box, the treatment box upper end are equipped with support frame, branch
Support upper end is equipped with driving motor by cushion, and driving motor lower end is connected with driving gear, the engagement of driving gear left end
There is intermediate gear, jackshaft is installed in the middle part of intermediate gear, jackshaft lower end passes through treatment box upper end and is connected with Rose Box, filters
Bottom end is connected to treatment box inner bottom by rotary shaft, is equipped with agitating shaft inside the jackshaft, agitating shaft lower end passes through
Rose Box upper end is connected to Rose Box inner bottom, and paddle, the centre are equipped on the outside of the agitating shaft inside Rose Box
Driven gear is engaged on the left of gear, driven gear upper end is coaxially connected with rotating cylinder, swivelling chute, rotation are equipped on the outside of rotating cylinder
Guide rod is equipped with inside slot, guide rod end is connected with elevating lever, and elevating lever lower end passes through treatment box and is connected with lifting ring, goes up and down
Ring is located on the outside of Rose Box, and the agitating shaft upper end passes through jackshaft and is connected with liquid-suctioning tank.
As a further solution of the present invention: upper end is equipped with dispensing bucket on the left of the treatment box, and left side lower end is equipped with row
Slag pipe, right side upper end are equipped with plumbing for waste water.
As a further solution of the present invention: the liquid-suctioning tank upper end is connected with pipette, and pipette is connected with suction pumps.
As a further solution of the present invention: interconnected cavity, stirring are equipped with inside the jackshaft and paddle
Leaf is equipped with several inlet openings.
As a further solution of the present invention: outside is equipped with the filter hole of annular in the middle part of the Rose Box.
As a further solution of the present invention: several cleaning brush are equipped on the inside of the lifting ring.
As a further solution of the present invention: the rotary shaft upper center is equipped with pivoting leaf.
As a further solution of the present invention: support frame as described above is U-shaped structure.
As further scheme of the invention: the guide rod front end is equipped with and the mutually matched ball of swivelling chute.
Compared with prior art, the beneficial effects of the present invention are:
A kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater, it is structurally reasonable, it is novel in design, by the rotating cylinder that is equipped with
Mutual cooperation between elevating lever, realizes and moves up and down to lifting ring, and then carries out certainly to the filter hole on the outside of Rose Box
Dynamic cleaning, it is ensured that filter effect, while by being arranged there is the agitating shaft of cavity and paddle to realize to after filtering precipitating
The suck-back of waste water further increases treatment effect, practical, high reliablity.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of self-cleaning inverse inhalation type waste water Environmental-protecting treater.
Fig. 2 is a kind of structural schematic diagram of self-cleaning inverse inhalation type waste water Environmental-protecting treater hollow cavity.
Fig. 3 is a kind of schematic perspective view of Rose Box in self-cleaning inverse inhalation type waste water Environmental-protecting treater.
Fig. 4 is a kind of schematic perspective view of lifting ring in self-cleaning inverse inhalation type waste water Environmental-protecting treater.
In figure: 1- treatment box, 2- scum pipe, 3- rotary shaft, 4- pivoting leaf, 5- dispensing bucket, 6- plumbing for waste water, 7- lifting ring,
8- filter hole, 9- Rose Box, 10- agitating shaft, 11- paddle, 12- jackshaft, 13- support frame, 14- liquid-suctioning tank, 15- imbibition
Pipe, 16- rotating cylinder, 17- swivelling chute, 18- guide rod, 19- elevating lever, 20- driving motor, 21- driving gear, 22- center tooth
Wheel, 23- driven gear, 24- cavity, 25- inlet opening, 26- cleaning brush.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
Refering to fig. 1~4, in the embodiment of the present invention, a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater, including treatment box 1, institute
It states 1 left side upper end for the treatment of box and is equipped with dispensing bucket 5, for adding flocculant into treatment box 1, increase waste water in entire treatment box 1
Sedimentation effect, left side lower end is equipped with scum pipe 2, the discharge for precipitating after flocculating, and right side upper end is equipped with plumbing for waste water 6, uses
Importing when sewage treatment, 1 upper end for the treatment of box are equipped with support frame 13, and support frame as described above 13 is U-shaped structure, support frame
13 upper ends are equipped with driving motor 20 by cushion, and for driving driving gear 21 to be rotated, 20 lower end of driving motor connects
It is connected to driving gear 21,21 left end of driving gear is engaged with intermediate gear 22, jackshaft 12 is equipped in the middle part of intermediate gear 22, in
Between 12 lower end of axis pass through 1 upper end for the treatment of box and be connected with Rose Box 9, the 9 middle part outside of Rose Box is equipped with the filter hole 8 of annular,
9 bottom end of Rose Box is connected to 1 inner bottom for the treatment of box by rotary shaft 3, and 3 upper center of rotary shaft is equipped with pivoting leaf 4, uses
Agitating shaft 10 is equipped with inside the sedimentation effect for increasing 1 bottom end sewage for the treatment of box, the jackshaft 12,10 lower end of agitating shaft is worn
It crosses 9 upper end of Rose Box and is connected to 9 inner bottom of Rose Box, paddle 11 is equipped on the outside of the agitating shaft 10 inside Rose Box 9,
For futher stirring effect to the sewage inside Rose Box 9, it is equipped with inside the jackshaft 12 and paddle 11 mutual
The cavity 24 of connection, paddle 11 are equipped with several inlet openings 25, for the importing of sewage after handling, the intermediate gear 22
Left side is engaged with driven gear 23, and 23 upper end of driven gear is coaxially connected with rotating cylinder 16, is equipped with swivelling chute on the outside of rotating cylinder 16
17, guide rod 18 is equipped with inside swivelling chute 17, the guide rod 18 can be moved accordingly along swivelling chute 17, due to water
Square to being limited, and rotary motion has horizontal movement and vertical motion synthesis, and therefore, elevating lever 19 is in guide rod 18
Lower of effect can occur to move along a straight line up and down, and 18 end of guide rod is connected with elevating lever 19, and 19 lower end of elevating lever passes through treatment box 1
It is connected with lifting ring 7, several cleaning brush 26 are equipped on the inside of the lifting ring 7, lifting ring 7 is located at 9 outside of Rose Box, thus right
The filter hole 8 in 9 outside of Rose Box is cleaned, and 10 upper end of agitating shaft passes through jackshaft 12 and is connected with liquid-suctioning tank 14, described
14 upper end of liquid-suctioning tank is connected with pipette 15, and pipette 15 is connected with suction pumps, and then generates negative pressure, inside Rose Box 9
Water suck-back comes out, the discharge of sewage after realization processing.
Embodiment 2
In another embodiment of the invention, it is in place of the difference of the embodiment and above-described embodiment, the guide rod 18
Front end be equipped with the mutually matched ball of swivelling chute 17, by be arranged ball guide rod 18 can be allowed preferably to exist
Swivelling chute 17 is mobile, it is ensured that the orderly lifting of elevating lever 19.
The present invention in use, sewage is imported into treatment box by plumbing for waste water 6, while passing through dispensing bucket 5 toward treatment box
Flocculant is added in 1, then starts driving motor 20, so that driving gear 21 is rotated, thus engaged with intermediate gear 22,
So that Rose Box 9 rotates synchronously, another agitating shaft also be can rotate, meanwhile, driven gear 23 is engaged with intermediate gear 22, so that rotation
Rotating cylinder 16 drive swivelling chute 17 rotate, and then by guide rod 18 act on so that elevating lever 19 drive lifting ring 7 move up and down, make
It obtains cleaning brush 26 up and down reciprocatingly to clean filter hole 8, it is ensured that the imbibition of filter hole 8 is smooth, considerably increases treatment effect.
The present invention, it is structurally reasonable, it is novel in design, by the mutual cooperation between the rotating cylinder 16 being equipped with and elevating lever 19, realize pair
Lifting ring 7 moves up and down, and then is cleaned automatically to the filter hole 8 in 9 outside of Rose Box, it is ensured that filter effect, simultaneously
By the way that the suck-back that there is the agitating shaft 10 of cavity 24 and paddle 11 to realize to waste water after filtering precipitating is arranged, further increase
Treatment effect, practical, high reliablity.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater, including treatment box (1), treatment box (1) upper end is equipped with
Support frame (13), support frame (13) upper end are equipped with driving motor (20) by cushion, and driving motor (20) lower end is connected with
Driving gear (21), which is characterized in that driving gear (21) left end is engaged with intermediate gear (22), peace in the middle part of intermediate gear (22)
Equipped with jackshaft (12), jackshaft (12) lower end passes through treatment box (1) upper end and is connected with Rose Box (9), and Rose Box (9) bottom end is logical
It crosses rotary shaft (3) and is connected to treatment box (1) inner bottom, be equipped with agitating shaft (10) inside the jackshaft (12), agitating shaft
(10) lower end passes through Rose Box (9) upper end and is connected to Rose Box (9) inner bottom, is located at Rose Box (9) internal agitating shaft
(10) outside is equipped with paddle (11), is engaged with driven gear (23) on the left of the intermediate gear (22), on driven gear (23)
End is coaxially connected with rotating cylinder (16), is equipped with swivelling chute (17) on the outside of rotating cylinder (16), and guide rod is equipped with inside swivelling chute (17)
(18), guide rod (18) end is connected with elevating lever (19), and elevating lever (19) lower end passes through treatment box (1) and is connected with lifting ring
(7), lifting ring (7) is located on the outside of Rose Box (9), and agitating shaft (10) upper end passes through jackshaft (12) and is connected with liquid-suctioning tank
(14).
2. a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater according to claim 1, which is characterized in that the processing
Upper end is equipped with dispensing bucket (5) on the left of case (1), and left side lower end is equipped with scum pipe (2), and right side upper end is equipped with plumbing for waste water (6).
3. a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater according to claim 2, which is characterized in that the imbibition
Case (14) upper end is connected with pipette (15), and pipette (15) is connected with suction pumps.
4. a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater according to claim 1, which is characterized in that the centre
Interconnected cavity (24) is equipped with inside axis (12) and paddle (11), paddle (11) is equipped with several inlet openings
(25).
5. a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater according to claim 4, which is characterized in that the filtering
Outside is equipped with the filter hole (8) of annular in the middle part of case (9).
6. a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater according to claim 1, which is characterized in that the lifting
Several cleaning brush (26) are equipped on the inside of ring (7).
7. a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater according to claim 1, which is characterized in that the rotation
Axis (3) upper center is equipped with pivoting leaf (4).
8. a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater according to claim 1 or claim 7, which is characterized in that described
Support frame (13) is U-shaped structure.
9. a kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater according to claim 1, which is characterized in that the guiding
Bar (18) front end is equipped with and swivelling chute (17) mutually matched ball.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498988.1A CN110204095A (en) | 2019-06-11 | 2019-06-11 | A kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater |
| PCT/CN2019/118260 WO2020248498A1 (en) | 2019-06-11 | 2019-11-14 | Environmentally friendly self-cleaning and back-suction wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498988.1A CN110204095A (en) | 2019-06-11 | 2019-06-11 | A kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110204095A true CN110204095A (en) | 2019-09-06 |
Family
ID=67791783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910498988.1A Pending CN110204095A (en) | 2019-06-11 | 2019-06-11 | A kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110204095A (en) |
| WO (1) | WO2020248498A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020248498A1 (en) * | 2019-06-11 | 2020-12-17 | 淄博创立机电科技有限公司 | Environmentally friendly self-cleaning and back-suction wastewater treatment device |
| WO2021128360A1 (en) * | 2019-12-23 | 2021-07-01 | 淄博创立机电科技有限公司 | Centrifugal sedimentation equipment for sewage treatment |
| CN113072134A (en) * | 2021-05-06 | 2021-07-06 | 广东纯楠环境技术有限公司 | Chemical sewage membrane filtering device convenient to clean |
| CN114873766A (en) * | 2020-09-13 | 2022-08-09 | 陈志伟 | Intelligent water treatment device and system with rotary filter element |
| CN114917660A (en) * | 2021-01-31 | 2022-08-19 | 湖南迪易清环保科技有限公司 | Pneumatic rotary filter element, water treatment device and system |
| CN115321742A (en) * | 2021-05-11 | 2022-11-11 | 湖南迪易清环保科技有限公司 | Breed sewage treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113402059A (en) * | 2021-06-21 | 2021-09-17 | 许昌学院 | Chemical wastewater recycling device |
| CN113957870B (en) * | 2021-11-04 | 2023-09-22 | 沅陵县岩屋潭库区生态农业综合开发有限责任公司 | Aquaculture surface of water floater collection device |
| CN114409130A (en) * | 2022-01-11 | 2022-04-29 | 全球通(浙江)环保科技有限公司 | Filter and sewage treatment method |
| CN114683401A (en) * | 2022-03-29 | 2022-07-01 | 北京金水源岩土工程有限公司 | Comprehensive treatment device for bentonite slurry preparation |
| CN115028280B (en) * | 2022-07-06 | 2023-04-21 | 九江礼涞生物科技有限公司 | Ecological restoration system for agricultural non-point source polluted farmland tail water |
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| CN208038182U (en) * | 2018-01-04 | 2018-11-02 | 胡志祥 | A kind of multistage trade effluent device |
| CN110204095A (en) * | 2019-06-11 | 2019-09-06 | 淄博创立机电科技有限公司 | A kind of self-cleaning inverse inhalation type waste water Environmental-protecting treater |
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- 2019-11-14 WO PCT/CN2019/118260 patent/WO2020248498A1/en active Application Filing
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| GB446107A (en) * | 1933-11-07 | 1936-04-24 | F W Manning Co Ltd | Improvements in filtering-apparatus |
| JPS61249514A (en) * | 1985-04-27 | 1986-11-06 | Kaiken:Kk | Automatic backwashing system filter equipped with drain recovery machine |
| CN205760013U (en) * | 2016-05-31 | 2016-12-07 | 自贡市华尔美科技有限公司 | Use the sewage purification device of self-operated type cleaning and filtering structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020248498A1 (en) * | 2019-06-11 | 2020-12-17 | 淄博创立机电科技有限公司 | Environmentally friendly self-cleaning and back-suction wastewater treatment device |
| WO2021128360A1 (en) * | 2019-12-23 | 2021-07-01 | 淄博创立机电科技有限公司 | Centrifugal sedimentation equipment for sewage treatment |
| CN114873766A (en) * | 2020-09-13 | 2022-08-09 | 陈志伟 | Intelligent water treatment device and system with rotary filter element |
| CN114917660A (en) * | 2021-01-31 | 2022-08-19 | 湖南迪易清环保科技有限公司 | Pneumatic rotary filter element, water treatment device and system |
| CN113072134A (en) * | 2021-05-06 | 2021-07-06 | 广东纯楠环境技术有限公司 | Chemical sewage membrane filtering device convenient to clean |
| CN115321742A (en) * | 2021-05-11 | 2022-11-11 | 湖南迪易清环保科技有限公司 | Breed sewage treatment system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020248498A1 (en) | 2020-12-17 |
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Application publication date: 20190906 |
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