CN209352718U - A kind of town and country sewage treatment integrated equipment - Google Patents
A kind of town and country sewage treatment integrated equipment Download PDFInfo
- Publication number
- CN209352718U CN209352718U CN201821808297.4U CN201821808297U CN209352718U CN 209352718 U CN209352718 U CN 209352718U CN 201821808297 U CN201821808297 U CN 201821808297U CN 209352718 U CN209352718 U CN 209352718U
- Authority
- CN
- China
- Prior art keywords
- zone
- tank
- sludge
- pipe
- aerobic zone
- 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.)
- Expired - Fee Related
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 238000011049 filling Methods 0.000 claims abstract description 8
- 238000005273 aeration Methods 0.000 claims abstract description 5
- 239000010802 sludge Substances 0.000 claims description 35
- 238000010992 reflux Methods 0.000 claims description 13
- 230000003750 conditioning effect Effects 0.000 claims description 11
- 239000002775 capsule Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 238000003911 water pollution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a kind of town and country sewage treatment integrated equipments, including treatment tank, the side of the treatment tank is equipped with sewage water inlet pipe, inside one end of the treatment tank is equipped with grid canal, the side of the grid canal is equipped with setting pot, one end of the hydroseparator group is equipped with isocon, first return pipe is installed in the aerobic zone, the inside of the aerobic zone is equipped with aerobic zone composite filling, the inner bottom of the aerobic zone is equipped with disc type micropore aeration pipe, the anaerobic zone, side at the upper position of anoxic zone and aerobic zone is mounted on PAC feeding device, one end of the PAC feeding device is equipped with isocon.The inside of the treatment tank of the utility model is equipped with setting pot and filter, can carry out precipitating and filtration treatment by it, and be equipped with anaerobic zone, anoxic zone and aerobic zone in the side for the treatment of tank, can carry out decomposing, purifying processing to sewage by it.
Description
Technical field
The utility model relates to sewage treatment integrated equipment technical field, specially a kind of town and country sewage treatment is integrally set
It is standby.
Background technique
Sewage treatment is that sewage is made to reach the mistake for being discharged into that a certain water body or the water quality requirement reused purify it
Journey, it is each that sewage treatment is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink etc.
The daily life of common people is also come into field more and more, and the topic about water pollution is constantly raised, especially underground
Water pollution problems, the ground such as Zhejiang Hangzhou, Wenzhou have peasant or enterpriser to provide funds that environmentally friendly chief is asked to swim in the river, and are caused with this
Everybody concern to water pollution severity, although each environmental protection chief has selected silencing or refusal, common people's environmental protection
The awakening of consciousness has reached unprecedented to the degree deeply concerned of water pollution.
The sewage disposal device of current stage is there are many shortcomings, for example, poor processing effect, and Treatment of Sludge is not
Convenient, sewage treatment is not thorough enough.
Utility model content
The purpose of this utility model is to provide a kind of town and country sewage treatment integrated equipments, to solve in above-mentioned background technique
The problems such as poor processing effect of proposition, and Treatment of Sludge inconvenience, sewage treatment is not thorough enough.
To achieve the above object, the utility model provides the following technical solutions: a kind of town and country sewage treatment integrated equipment, packet
Treatment tank is included, the side of the treatment tank is equipped with sewage water inlet pipe, inside one end peace of the treatment tank
Equipped with grid canal, the side of the grid canal is equipped with setting pot, and the side of the setting pot is equipped with conditioning tank, the adjusting
The inside in pond is equipped with the second elevator pump, and the first upper hose, the side peace of the conditioning tank are equipped on second elevator pump
Equipped with sludge-tank, the side of the sludge-tank is equipped with lower part clear water reserviors, is equipped with top above the lower part clear water reserviors and sets
Between standby, the inside of the top equipment room is equipped with PAC feeding device, and the interior side of the lower part clear water reserviors is equipped with back suction
Water pump, the side of the lower part clear water reserviors are equipped with filter, and the inside of the filter is equipped with filtering capsule, the filtering capsule
On backwash drainpipe and filtering outlet pipe are installed, tubular type ultraviolet sterilizer, the backwash are installed on the filtering outlet pipe
The side of drainpipe is equipped with the second tedge, and the first elevator pump, the treatment tank are equipped on second tedge
Side anaerobic zone is installed, the side of the anaerobic zone is equipped with anoxic zone, and the side of the anoxic zone is equipped with aerobic zone,
The side of the aerobic zone is equipped with secondary settling tank, and the side of the secondary settling tank is equipped with intermediate pool, and the one of the intermediate pool
Side is equipped with equipment room, and the inside of the equipment room is equipped with hydroseparator group, and one end of the hydroseparator group is equipped with isocon,
First return pipe is installed in the aerobic zone, interior reflux pump, installation in the secondary settling tank are installed on first return pipe
There is the second return pipe, sludge reflux pump is installed on second return pipe, the inside of the anoxic zone is equipped with anoxic district's groups
Filler is closed, the inside of the aerobic zone is equipped with aerobic zone composite filling, and it is micro- that the inner bottom of the aerobic zone is equipped with disc type
Hole aeration tube, the side at the upper position of the anaerobic zone, anoxic zone and aerobic zone is mounted on perforated sludge discharge pipe, described to wear
One end of hole sludge pipe is equipped with sludge isocon.
Preferably, one end of first return pipe is mounted in aerobic zone, and the other end of the first return pipe is mounted on
The side of anaerobic zone.
Preferably, one end of second return pipe is mounted on the inside of secondary settling tank, and the other end peace of the second return pipe
Mounted in the side of anoxic zone.
Preferably, one end of second tedge is mounted in intermediate pool, and one end of the second tedge and backwash
Drainpipe connection.
Preferably, the bottom end of the isocon is equipped with suction head, and suction head is located at anoxic zone, aerobic zone and two
At upper position in heavy pond.
Preferably, the sludge isocon is set as horizontal transverse-pipe structure, and the middle part side of sludge isocon is equipped with
Sludge carrier pipe is connect with sludge-tank.
Compared with prior art, the utility model has the beneficial effects that
1, the inside of the treatment tank of the utility model is equipped with setting pot and filter, can be precipitated by it
And filtration treatment, and anaerobic zone, anoxic zone and aerobic zone are installed in the side for the treatment of tank, by its can to sewage into
The processing of row decomposing, purifying, and the side of aerobic zone is equipped with secondary settling tank, such design substantially increases wastewater treatment efficiency, is applicable in
In the cleaning of various dirt impurity, and the second reflux is separately installed between anaerobic zone and secondary settling tank and anoxic zone and aerobic zone
Pipe and the first return pipe, can make sewage by circular treatment, keep sewage treatment more thorough by such design;
2, conditioning tank and sludge-tank are installed on the treatment tank of the utility model, and become reconciled in anaerobic zone, anoxic zone
It is mounted on perforated sludge discharge pipe at the side upper position in oxygen area, is facilitated by it by sewage collecting, facilitates blowdown.
Detailed description of the invention
Fig. 1 is a kind of top view of town and country sewage treatment integrated equipment of the utility model;
Fig. 2 is a kind of main view of town and country sewage treatment integrated equipment of the utility model;
Fig. 3 is a kind of bottom view of town and country sewage treatment integrated equipment of the utility model.
In figure: 1, treatment tank;2, grid canal;3, the first upper hose;4, anaerobic zone;5, anoxic zone;6, aerobic zone;7,
Isocon;8, secondary settling tank;9, intermediate pool;10, sludge reflux pump;11, the first elevator pump;12, hydroseparator group;13, first time
Flow tube;14, interior reflux pump;15, the second return pipe;16, the second tedge;17, outlet pipe is filtered;18, tubular type ultraviolet sterilizer;
19, capsule is filtered;20, filter;21, back suction water pump;22, lower part clear water reserviors;23, top equipment room;24, PAC feeding device;
25, sludge-tank;26, the second elevator pump;27, conditioning tank;28, setting pot;29, perforated sludge discharge pipe;30, sludge isocon;31, anti-
Wash drainpipe;32, anoxic zone composite filling;33, aerobic zone composite filling;34, disc type micropore aeration pipe;35, sewage water inlet pipe;
36, equipment room.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of town and country sewage treatment integrated equipment, including
Treatment tank 1, the side for the treatment of tank 1 are equipped with sewage water inlet pipe 35, and sewage water inlet pipe 35 is used to input sewage, sewage
Inside one end of processing pond 1 is equipped with grid canal 2, and grid canal 2 is used to receive sewage and shunted, the side peace of grid canal 2
Equipped with setting pot 28, setting pot 28 is used to the large granular impurity disengaging preliminary sedimentation processing in sewage, the side of setting pot 28
Conditioning tank 27 is installed, conditioning tank 27 is used to shunt sewage, and the inside of conditioning tank 27 is equipped with the second elevator pump 26, the
Two elevator pumps 26 are used in sewage sewage to the first upper hose 3, and by it by sewage transport to anaerobic zone 4, second is promoted
First upper hose 3 is installed, the side of conditioning tank 27 is equipped with sludge-tank 25, and sludge-tank 25 is used to store sludge, dirty on pump 26
The side of mud sump 25 is equipped with lower part clear water reserviors 22, and lower part clear water reserviors 22 are used to store clear water, the top peace of lower part clear water reserviors 22
Equipped with top equipment room 23, top equipment room 23 facilitates the storage for the treatment of of dirt agent, and the inside of top equipment room 23 is equipped with PAC
Feeding device 24, PAC feeding device 24 facilitate the addition of PAC, and the interior side of lower part clear water reserviors 22 is equipped with back suction water pump 21,
Back suction water pump 21 is used to for clear water being delivered in filter 20 to clean filter 20, the side installation of lower part clear water reserviors 22
There is filter 20, filter 20 is used to be filtered sewage, and the inside of filter 20 is equipped with filtering capsule 19, filters on capsule 19
Backwash drainpipe 31 and filtering outlet pipe 17 are installed, filters and tubular type ultraviolet sterilizer 18 is installed on outlet pipe 17, tubular type is purple
Outer sterilizer 18 can water source carries out sterilizing to treated, it is made to be converted to usable water, saves water source, backwash draining
The side of pipe 31 is equipped with the second tedge 16, is equipped with the first elevator pump 11 on the second tedge 16, and the one for the treatment of tank 1
Side is equipped with anaerobic zone 4, and anaerobic zone 4, anoxic zone 5 and aerobic zone 6 are used to decompose the inadequate dirt in sewage, anaerobic zone
4 side is equipped with anoxic zone 5, and the side of anoxic zone 5 is equipped with aerobic zone 6, and the side of aerobic zone 6 is equipped with secondary settling tank 8, and two
The side in heavy pond 8 is equipped with intermediate pool 9, and intermediate pool 9 is used to store treated water, and the side of intermediate pool 9 is equipped with
Equipment room 36, equipment room 36 are used to install electrical equipment, and the inside of equipment room 36 is equipped with hydroseparator group 12, and hydroseparator group 12 is used
To improve water delivery power to isocon 7, one end of hydroseparator group 12 is equipped with isocon 7, and isocon 7 allows sewage in anaerobism
Area 4, anaerobic zone 4, anoxic zone 5, circulation in aerobic zone 6 and secondary settling tank 8 are equipped with the first return pipe 13 in aerobic zone 6, and first time
Interior reflux pump 14 is installed in flow tube 13, the second return pipe 15 is installed in secondary settling tank 8, sludge is installed on the second return pipe 15
Reflux pump 10, sludge reflux pump 10 are used to convey sludge, and the inside of anoxic zone 5 is equipped with anoxic zone composite filling 32, aerobic zone 6
Inside aerobic zone composite filling 33 is installed, the inner bottom of aerobic zone 6 is equipped with disc type micropore aeration pipe 34, anaerobic zone 4,
Side at the upper position of anoxic zone 5 and aerobic zone 6 is mounted on perforated sludge discharge pipe 29, one end installation of perforated sludge discharge pipe 29
There is sludge isocon 30, sludge isocon 30 is used to convey in sludge to sludge-tank 25.
Further, one end of the first return pipe 13 is mounted in aerobic zone 6, and the other end of the first return pipe 13 is mounted on
The side of anaerobic zone 4 makes sewage be back to anaerobic zone 4 by aerobic zone 6 by the first return pipe 13.
Further, one end of the second return pipe 15 is mounted on the inside of secondary settling tank 8, and the other end peace of the second return pipe 15
Mounted in the side of anoxic zone 5, sewage is set to be back to anoxic zone 5 by secondary settling tank 8 by the second return pipe 15.
Further, one end of the second tedge 16 is mounted in intermediate pool 9, and one end of the second tedge 16 and backwash
Drainpipe 31 connects, and is delivered to the clear water in intermediate pool 9 in backwash drainpipe 31 by the second tedge 16 and is rinsed
Operation.
Further, the bottom end of isocon 7 is equipped with suction head, and suction head is located at anoxic zone 5, aerobic zone 6 and two
At upper position in heavy pond 8, sewage is facilitated to flow at anoxic zone 5, aerobic zone 6 and secondary settling tank 8 by isocon 7.
Further, sludge isocon 30 is set as horizontal transverse-pipe structure, and the middle part side of sludge isocon 30 is equipped with
Sludge carrier pipe is connect with sludge-tank 25, facilitates sewage transport by sludge isocon 30.
Working principle: when in use, sewage is delivered to the grid canal in treatment tank 1 by sewage water inlet pipe 35 to the equipment
In 2, then from situation of overflowing by sewage transport to setting pot 28, sewage is delivered in conditioning tank 27 after precipitate in it, logical
Anaerobic zone 4 will be delivered to by the first upper hose 3 for sewage by overregulating the second elevator pump 26 in pond 27, pass through anaerobic organism in it
Carry out selective resolution process to the impurity in sewage makes sewage successively be delivered to 5 He of anoxic zone under the action of isocon 7
Selective decomposition is carried out in aerobic zone 6 and is precipitated, and is then sent in secondary settling tank 8 and is carried out secondary precipitation, treated, and sewage is defeated
It send to storing in intermediate pool 9, while in the effect of interior reflux pump 14 and sludge reflux pump 10 respectively by sewage by 6 He of aerobic zone
It is delivered in anaerobic zone 4 and anoxic zone 5 at secondary settling tank 8 by the first return pipe 13 and the reflux of the second return pipe 15, and passes through first
Drainage of crossing in intermediate pool 9 is delivered in backwash drainpipe 31 by the second tedge 16 as pipe flushing water by elevator pump 11
It uses, and water in lower part clear water reserviors 22 is delivered in filtering capsule 19 by back suction water pump 21 and is backwashed, and passes through backwash
Drainpipe 31 is discharged, and handles filtered water and be discharged by filtering outlet pipe 17, can by tubular type ultraviolet sterilizer 18 thereon
To carry out purified treatment to water, it is used for domestic water waste utilization, and facilitate by perforated sludge discharge pipe 29 and sludge is delivered to dirt
In mud isocon 30, it is delivered in sludge-tank 25 and is stored by it.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of town and country sewage treatment integrated equipment, including treatment tank (1), it is characterised in that: the treatment tank (1)
Side be equipped with sewage water inlet pipe (35), inside one end of the treatment tank (1) is equipped with grid canal (2), the lattice
The side of grid canal (2) is equipped with setting pot (28), and the side of the setting pot (28) is equipped with conditioning tank (27), the conditioning tank
(27) inside is equipped with the second elevator pump (26), is equipped with the first upper hose (3), the tune on second elevator pump (26)
The side of section pond (27) is equipped with sludge-tank (25), and the side of the sludge-tank (25) is equipped with lower part clear water reserviors (22), described
It is equipped with above lower part clear water reserviors (22) top equipment room (23), the inside of the top equipment room (23) is equipped with PAC and adds
Expect device (24), the interior side of the lower part clear water reserviors (22) is equipped with back suction water pump (21), the lower part clear water reserviors (22)
Side be equipped with filter (20), the inside of the filter (20) is equipped with filtering capsule (19), on the filtering capsule (19)
Backwash drainpipe (31) and filtering outlet pipe (17) are installed, tubular type ultraviolet sterilizer is installed on the filtering outlet pipe (17)
(18), the side of the backwash drainpipe (31) is equipped with the second tedge (16), is equipped on second tedge (16)
The side of first elevator pump (11), the treatment tank (1) is equipped with anaerobic zone (4), the side installation of the anaerobic zone (4)
Have anoxic zone (5), the side of the anoxic zone (5) is equipped with aerobic zone (6), and it is heavy that the side of the aerobic zone (6) is equipped with two
The side in pond (8), the secondary settling tank (8) is equipped with intermediate pool (9), and the side of the intermediate pool (9) is equipped with equipment room
(36), the inside of the equipment room (36) is equipped with hydroseparator group (12), and one end of the hydroseparator group (12) is equipped with shunting
It manages (7), is equipped with the first return pipe (13) in the aerobic zone (6), interior reflux pump is installed on first return pipe (13)
(14), it is equipped with the second return pipe (15) in the secondary settling tank (8), sludge reflux pump is installed on second return pipe (15)
(10), the inside of the anoxic zone (5) is equipped with anoxic zone composite filling (32), and the inside of the aerobic zone (6) is equipped with
The inner bottom of oxygen area composite filling (33), the aerobic zone (6) is equipped with disc type micropore aeration pipe (34), the anaerobic zone
(4), the side at the upper position of anoxic zone (5) and aerobic zone (6) is mounted on perforated sludge discharge pipe (29), the perforation spoil disposal
One end of pipe (29) is equipped with sludge isocon (30).
2. a kind of town and country sewage treatment integrated equipment according to claim 1, it is characterised in that: first return pipe
(13) one end is mounted in aerobic zone (6), and the other end of the first return pipe (13) is mounted on the side of anaerobic zone (4).
3. a kind of town and country sewage treatment integrated equipment according to claim 1, it is characterised in that: second return pipe
(15) one end is mounted on the inside of secondary settling tank (8), and the other end of the second return pipe (15) is mounted on the one of anoxic zone (5)
Side.
4. a kind of town and country sewage treatment integrated equipment according to claim 1, it is characterised in that: second tedge
(16) one end is mounted in intermediate pool (9), and one end of the second tedge (16) is connect with backwash drainpipe (31).
5. a kind of town and country sewage treatment integrated equipment according to claim 1, it is characterised in that: the isocon (7)
Bottom end is equipped with suction head, and suction head is located at anoxic zone (5), the upper position in aerobic zone (6) and secondary settling tank (8)
Place.
6. a kind of town and country sewage treatment integrated equipment according to claim 1, it is characterised in that: the sludge isocon
(30) it is set as horizontal transverse-pipe structure, and the middle part side of sludge isocon (30) is equipped with sludge carrier pipe and sludge-tank (25)
Connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821808297.4U CN209352718U (en) | 2018-11-05 | 2018-11-05 | A kind of town and country sewage treatment integrated equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821808297.4U CN209352718U (en) | 2018-11-05 | 2018-11-05 | A kind of town and country sewage treatment integrated equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209352718U true CN209352718U (en) | 2019-09-06 |
Family
ID=67782409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821808297.4U Expired - Fee Related CN209352718U (en) | 2018-11-05 | 2018-11-05 | A kind of town and country sewage treatment integrated equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209352718U (en) |
-
2018
- 2018-11-05 CN CN201821808297.4U patent/CN209352718U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205822436U (en) | A kind of rainwater purification system of sponge urban construction | |
CN102557350A (en) | Purification system for micro-polluted raw water and purification method thereof | |
CN204939151U (en) | One way of life sewage integrated treatment device | |
CN201981096U (en) | Rainwater recycling and treating device | |
CN111087095A (en) | Method for preparing high-quality drinking water | |
CN204874123U (en) | Quality of water clean system | |
CN203820606U (en) | Purification system for deep treatment of tap water | |
CN205528325U (en) | Multiple purifier treatment equipment of sanitary wastewater | |
CN102583651A (en) | Water-saving ultra/microfiltration purification device for water | |
CN104058559A (en) | Sewage treatment method and sewage treatment system | |
CN206395957U (en) | A kind of cleaning system of drinking water system | |
CN211111596U (en) | Overground integrated sewage treatment equipment | |
CN205803277U (en) | Integral rain advanced purification treatment system | |
CN202492434U (en) | Micro-pollution raw water purification system | |
CN205442980U (en) | Sewage purification processing system | |
CN209352718U (en) | A kind of town and country sewage treatment integrated equipment | |
CN206142929U (en) | A tertiary filtration purification device for sewage purification | |
CN108689509A (en) | Refuse transfer station percolate and membranous system concentrate deep purifying device | |
CN208964727U (en) | A kind of microkinetic sewage integrated treatment equipment | |
CN114315020A (en) | Be provided with ultrafiltration reverse osmosis system's sewage treatment system | |
CN211813922U (en) | Sewage filtering and disinfecting integrated device | |
CN210764857U (en) | Distributed rural domestic sewage treatment system | |
CN209797720U (en) | Sewage treatment system | |
CN208532493U (en) | A kind of integrated sewage treating apparatus | |
CN208667396U (en) | A kind of MBR integrated sewage water equipment for reclaiming |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 |