CN107840506A - A kind of sewage treatment unit based on disinfection by ultraviolet light - Google Patents
A kind of sewage treatment unit based on disinfection by ultraviolet light Download PDFInfo
- Publication number
- CN107840506A CN107840506A CN201711304573.3A CN201711304573A CN107840506A CN 107840506 A CN107840506 A CN 107840506A CN 201711304573 A CN201711304573 A CN 201711304573A CN 107840506 A CN107840506 A CN 107840506A
- Authority
- CN
- China
- Prior art keywords
- connection
- flocculation tanks
- pipe
- disinfection
- flocculation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 36
- 239000010865 sewage Substances 0.000 title claims abstract description 34
- 230000016615 flocculation Effects 0.000 claims abstract description 49
- 238000005189 flocculation Methods 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000001954 sterilising effect Effects 0.000 claims abstract description 19
- 239000003814 drug Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 5
- 239000013049 sediment Substances 0.000 abstract description 4
- 238000001556 precipitation Methods 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000011593 sulfur Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Abstract
The invention discloses a kind of sewage treatment unit based on disinfection by ultraviolet light, including settling tank, flocculation tanks and disinfect box, through connection water inlet pipe in the middle part of one side of settling tank, the top through connection flocculation tanks of settling tank, the bottom of flocculation tanks is provided with sinking plate, some lower counterbores are uniformly provided with sinking plate, the inner chamber top of flocculation tanks is provided with puddler, some paddles are uniformly provided with puddler, flocculation tanks top end face side through connection dosing bucket, through connection connecting tube at the top of one side of flocculation tanks, water inlet end of the other end through connection of connecting tube in disinfect box, sterilization pipe is provided with disinfect box；The present invention is by setting settling tank to carry out Direct precipitation to sanitary sewage, remove the solid sundries of bulky grain, further trickle flocculation sediment is carried out using flocculation tanks, further take out the tiny solid debris in sanitary sewage, disinfect box is recycled to carry out last sterilization so that the water quality of sanitary sewage is greatly improved.
Description
Technical field
The present invention relates to domestic living waste water treater, specially a kind of sanitary sewage disposal dress based on disinfection by ultraviolet light
Put.
Background technology
Caused sewage during human lives, is one of primary pollution source of water body.Sanitary sewage is mainly mankind's life
The various caused discharge water of water, slurry and use in toilet water for kitchen use used in work, mostly nontoxic inorganic salts.
Caused sewage during human lives, is one of primary pollution source of water body.Mainly excrement and wash water.Mainly excrement
Just and wash water.Contain large amount of organic, such as cellulose, starch, carbohydrate and fat protein in sanitary sewage；Also often contain
Pathogen, virus and parasitic ovum；Chloride, sulfate, phosphate, bicarbonate and sodium, potassium, calcium, the magnesium of inorganic salts
Deng.The characteristics of total is nitrogenous, sulfur-bearing and phosphorous height, in the case where anaerobic bacteria acts on, easily raw odorant.
The existing treating method to sanitary sewage is to concentrate discharge, if however, discharged without exception for sanitary sewage, meeting
The waste of water resource is caused to a certain extent, and far-reaching influence can also be produced to the living environment on periphery.
The content of the invention
It is an object of the invention to provide a kind of sewage treatment unit based on disinfection by ultraviolet light, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of sewage treatment unit based on disinfection by ultraviolet light, including settling tank, flocculation tanks and disinfect box, the one of settling tank
Through connection water inlet pipe in the middle part of side, water inlet pipe are provided with water pump, and the bottom wall of settling tank is provided with mudhole, and the top of settling tank is passed through
Lead to and connect flocculation tanks, the bottom of flocculation tanks is provided with sinking plate, and some lower counterbores, the inner chamber of flocculation tanks are uniformly provided with sinking plate
Top is provided with puddler, and the axis of puddler overlaps with the axis of flocculation tanks, and some paddles are uniformly provided with puddler, are stirred
The top for mixing bar passes through the roof of flocculation tanks and is fixedly connected on the motor shaft of motor, and puddler is rotatably connected on by bearing
In flocculation tanks, motor is fixedly connected on the top of flocculation tanks, flocculation tanks top end face side through connection dosing bucket, and the one of flocculation tanks
Through connection connecting tube at the top of side, the other end through connection of connecting tube is in the water inlet end of disinfect box, the water outlet of disinfect box
Through connection outlet pipe is held, is provided with sterilization pipe in disinfect box, sterilization pipe is spatially spiral structure, the water inlet end of sterilization pipe and connection
Pipe through connection, water side and the outlet pipe through connection of sterilization pipe, the intracavity sidewall of sterilization pipe is uniformly provided with some ultraviolet
Line lamp bar.
It is provided with as the further technical scheme of the present invention, the bottom through connection blow-off pipe of mudhole, blow-off pipe
Control valve.
As the further technical scheme of the present invention, flocculation tanks are columnar structured.
As the further technical scheme of the present invention, the axis of flocculation tanks overlaps with the axis of settling tank.
As the further technical scheme of the present invention, lower counterbore includes bellmouth and circular hole, and bellmouth through connection exists
The top of circular hole, the miner diameter end diameter of bellmouth are identical with the diameter of circular hole.
As the further technical scheme of the present invention, lower paddle is U-shaped structure, and lower wall is symmetrical on the inner chamber of paddle
Provided with deflector, deflector is triangular structure of right angle.
As the further technical scheme of the present invention, the top of lower dosing bucket is hinged with closure.
Compared with prior art, the present invention removes bulky grain by setting settling tank to carry out Direct precipitation to sanitary sewage
Solid sundries, utilize flocculation tanks to carry out further trickle flocculation sediment, further take out the tiny solid in sanitary sewage
Debris, disinfect box is recycled to carry out last sterilization so that the water quality of sanitary sewage is greatly improved, and reduces to greatest extent
Influence of the sanitary sewage to living environment.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the sewage treatment unit based on disinfection by ultraviolet light of the present invention；
Fig. 2 is a kind of structural representation of the disinfect box of the sewage treatment unit based on disinfection by ultraviolet light of the present invention；
Fig. 3 is a kind of side view structural representation of the paddle of the sewage treatment unit based on disinfection by ultraviolet light of the present invention
Figure.
In figure：1- settling tanks, 2- flocculation tanks, 3- disinfect boxes, 31- ultraviolet lamp bars, 32- sterilization pipes, 4- water inlet pipes, 5- water
Pump, 6- mudholes, 7- blow-off pipes, 8- control valves, 9- sinking plates, 91- lower counterbores, 92- bellmouths, 93- circular holes, 10- puddlers,
11- paddles, 12- deflectors, 13- bearings, 14- motors, 15- dosing buckets, 16- closures, 17- connecting tubes, 18- outlet pipes.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The technical scheme of this patent is described in more detail with reference to embodiment.
Refer to Fig. 1~3, a kind of sewage treatment unit based on disinfection by ultraviolet light, including settling tank 1, flocculation tanks 2
With disinfect box 3, the side middle part through connection water inlet pipe 4 of the settling tank 1, the water inlet pipe 4 is provided with water pump 5, described
The bottom wall of settling tank 1 is provided with mudhole 6, the bottom through connection blow-off pipe 7 of the mudhole 6, and the blow-off pipe 7 is provided with control
Valve 8 processed, the top through connection flocculation tanks 2 of the settling tank 1, the flocculation tanks 2 are columnar structured, the axis of flocculation tanks 2
Overlapped with the axis of settling tank 1, the bottom of flocculation tanks 2 is provided with sinking plate 9, and some sinkings are uniformly provided with the sinking plate 9
Hole 91, the lower counterbore 91 include bellmouth 91 and circular hole 93, and the through connection of bellmouth 91 is in the top of circular hole 93, taper
The miner diameter end diameter in hole 91 is identical with the diameter of circular hole 93, and the inner chamber top of the flocculation tanks 2 is provided with puddler 10, the stirring
The axis of bar 10 is overlapped with the axis of flocculation tanks 2, and some paddles 11 are uniformly provided with puddler 10, and the paddle 11 is
U-shaped structure, lower wall is arranged with deflector 12 on the inner chamber of paddle 11, and the deflector 12 is triangular structure of right angle, institute
The top for stating puddler 10 passes through the roof of flocculation tanks 2 and is fixedly connected on the motor shaft of motor 14, and puddler 10 passes through axle
Hold 13 to be rotatably connected in flocculation tanks 2, the motor 14 is fixedly connected on the top of flocculation tanks 2, the top end face one of flocculation tanks 2
Side through connection dosing bucket 15, the top of the dosing bucket 15 are hinged with closure 16, passed through at the top of a side of the flocculation tanks 2
Lead to adapter 17 in succession, the other end through connection of the connecting tube 17 disinfect box 3 water inlet end, the disinfect box 3
Water side through connection outlet pipe 18, disinfect box 3 is interior to be provided with sterilization pipe 32, and the sterilization pipe 32 is spatially spiral structure, sterilization
The water inlet end of pipe 32 and the through connection of connecting tube 17, water side and the through connection of outlet pipe 18 of sterilization pipe 32, the sterilization pipe
32 intracavity sidewall is uniformly provided with some ultraviolet lamp bars 31.
For the present invention in use, sanitary sewage is entered in settling tank 1 by water inlet pipe 4, it is preliminary heavy to carry out in the settling tank 1
Form sediment, the sewage of precipitation is directly entered in flocculation tanks 2 by lower counterbore 91, adds medicament by dosing bucket 15, medicament is in paddle
Under 11 Stirring, mixed so that the minute solid particles in sewage further flocculate, assembled, and then sink, and pass through
Lower counterbore 91 enters in settling tank 1, continues to precipitate, is discharged finally by blow-off pipe 7, life water passes through connecting tube after flocculation sediment
17 enter the irradiation-sterilize of progress ultraviolet lamp bar 31 in disinfect box 3, further disinfecting to life water are realized, so as to maximum
Influence of the reduction sanitary sewage of limit to surrounding enviroment.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be on the premise of this patent objective not be departed from one skilled in the relevant art's possessed knowledge
Various changes can be made.
Claims (7)
1. a kind of sewage treatment unit based on disinfection by ultraviolet light, it is characterised in that including settling tank, flocculation tanks and sterilization
Case, the side middle part through connection water inlet pipe of settling tank, water inlet pipe are provided with water pump, and the bottom wall of settling tank is provided with mudhole,
The top through connection flocculation tanks of settling tank, the bottom of flocculation tanks are provided with sinking plate, some sinkings are uniformly provided with sinking plate
Hole, the inner chamber top of flocculation tanks are provided with puddler, and the axis of puddler is overlapped with the axis of flocculation tanks, uniformly set on puddler
There are some paddles, the top of puddler passes through the roof of flocculation tanks and is fixedly connected on the motor shaft of motor, and puddler leads to
Cross bearing to be rotatably connected in flocculation tanks, motor is fixedly connected on the top of flocculation tanks, flocculation tanks top end face side through connection
Dosing bucket, the side top through connection connecting tube of flocculation tanks, other end through connection the entering in disinfect box of connecting tube
Water end (W.E.), the water side through connection outlet pipe of disinfect box, disinfect box is interior to be provided with sterilization pipe, and sterilization pipe is spatially spiral structure, is disappeared
The water inlet end of malicious pipe and connecting tube through connection, water side and the outlet pipe through connection of sterilization pipe, the intracavity sidewall of sterilization pipe
Uniformly it is provided with some ultraviolet lamp bars.
A kind of 2. sewage treatment unit based on disinfection by ultraviolet light according to claim 1, it is characterised in that blowdown
The bottom through connection blow-off pipe in hole, blow-off pipe are provided with control valve.
A kind of 3. sewage treatment unit based on disinfection by ultraviolet light according to claim 1, it is characterised in that flocculation
Case is columnar structured.
A kind of 4. sewage treatment unit based on disinfection by ultraviolet light according to claim 3, it is characterised in that flocculation
The axis of case overlaps with the axis of settling tank.
5. a kind of sewage treatment unit based on disinfection by ultraviolet light according to claim 1, it is characterised in that sink
Hole includes bellmouth and circular hole, and bellmouth through connection is in the top of circular hole, the miner diameter end diameter of bellmouth and the diameter of circular hole
It is identical.
A kind of 6. sewage treatment unit based on disinfection by ultraviolet light according to claim 1, it is characterised in that under stir
It is U-shaped structure to mix leaf, and lower wall is arranged with deflector on the inner chamber of paddle, and deflector is triangular structure of right angle.
7. a kind of sewage treatment unit based on disinfection by ultraviolet light according to claim 1, it is characterised in that lower to add
The top of drug bucket is hinged with closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711304573.3A CN107840506A (en) | 2017-12-11 | 2017-12-11 | A kind of sewage treatment unit based on disinfection by ultraviolet light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711304573.3A CN107840506A (en) | 2017-12-11 | 2017-12-11 | A kind of sewage treatment unit based on disinfection by ultraviolet light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107840506A true CN107840506A (en) | 2018-03-27 |
Family
ID=61664842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711304573.3A Withdrawn CN107840506A (en) | 2017-12-11 | 2017-12-11 | A kind of sewage treatment unit based on disinfection by ultraviolet light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107840506A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640339A (en) * | 2018-05-10 | 2018-10-12 | 吴华斌 | A kind of sanitary sewage disposal sterilizing equipment decontaminating apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205933504U (en) * | 2016-07-29 | 2017-02-08 | 广西城市职业学院 | Treatment of domestic sewage purifier |
| CN106830277A (en) * | 2017-03-14 | 2017-06-13 | 南京大学 | The advanced oxidization method of NSAIDs in a kind of ultraviolet persulfate removal sewage |
| CN107032531A (en) * | 2017-06-16 | 2017-08-11 | 成都益睿信科技有限公司 | A kind of hospital sewage disposal system |
-
2017
- 2017-12-11 CN CN201711304573.3A patent/CN107840506A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205933504U (en) * | 2016-07-29 | 2017-02-08 | 广西城市职业学院 | Treatment of domestic sewage purifier |
| CN106830277A (en) * | 2017-03-14 | 2017-06-13 | 南京大学 | The advanced oxidization method of NSAIDs in a kind of ultraviolet persulfate removal sewage |
| CN107032531A (en) * | 2017-06-16 | 2017-08-11 | 成都益睿信科技有限公司 | A kind of hospital sewage disposal system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640339A (en) * | 2018-05-10 | 2018-10-12 | 吴华斌 | A kind of sanitary sewage disposal sterilizing equipment decontaminating apparatus |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180327 |