CN217173454U - River pollution discharge treatment device for water pollution prevention and treatment - Google Patents
River pollution discharge treatment device for water pollution prevention and treatment Download PDFInfo
- Publication number
- CN217173454U CN217173454U CN202220640768.5U CN202220640768U CN217173454U CN 217173454 U CN217173454 U CN 217173454U CN 202220640768 U CN202220640768 U CN 202220640768U CN 217173454 U CN217173454 U CN 217173454U
- Authority
- CN
- China
- Prior art keywords
- box
- filter screen
- river course
- filter box
- water pollution
- 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
- 238000003911 water pollution Methods 0.000 title claims abstract description 31
- 230000002265 prevention Effects 0.000 title claims abstract description 13
- 208000028659 discharge Diseases 0.000 title description 12
- 238000005192 partition Methods 0.000 claims abstract description 26
- 238000005189 flocculation Methods 0.000 claims abstract description 15
- 230000016615 flocculation Effects 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims description 17
- 239000003814 drug Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 abstract description 31
- 238000001914 filtration Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 238000001556 precipitation Methods 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 7
- 238000004062 sedimentation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a river course blowdown processing apparatus is used in water pollution prevention and cure, including handling the case, the inside of handling the case is equipped with partition panel and filter screen, and the partition panel is provided with threely, and three partition panel will handle the inside of case and separate into precipitation box, one-level filter box, second grade filter box and three grade filter box four parts in proper order, is equipped with the intercommunication mouth on the partition panel, and the top of precipitation box is equipped with into dirty mouthful, and the lower extreme of three grade filter box one side is equipped with the discharge port, is equipped with power supply mechanism on handling the case, and the inside of second grade filter box is equipped with flocculation mechanism. The utility model discloses a be provided with a series of structures, the sewage treatment of treatment box to river course emission source, the sewage that the river course discharged is up to standard, and multistage filtration improves water pollution blowdown prevention and treatment effect, and utilizes the difference in water level height to realize the operation between at different levels, and the continuity is good for river course blowdown water pollution prevention and treatment is favorable to environmental protection, and the space at rational utilization treatment box top is energy-concerving and environment-protective for sewage flocculation.
Description
Technical Field
The utility model relates to a blowdown processing technology field specifically is a river course blowdown processing apparatus for water pollution prevention and cure.
Background
With the continuous improvement of economic level and the continuous improvement of science and technology, the environmental protection consciousness of people is improved, and sewage refers to the sewage which is polluted to a certain extent and comes from life and production. The water which loses the original use function is called sewage for short. Mainly used water in life, which contains more organic matters and is easy to treat. Sewage generated in life and production is directly discharged in a river channel, and the sewage causes serious damage to water sources, organisms, soil and other environments in the river channel, so that the sewage needs to be treated before being discharged into the river channel.
The processing before present sewage discharge river course needs carry out the processing of a plurality of equipment to sewage, if deposit, filter, flocculation etc. and a plurality of equipment independent settings, and not only area is big, space utilization efficiency is low, and needs mechanical kinetic energy's drive between each equipment, like the water pump etc. increases energy consumption, the cost of sewage discharge treatment facility operation, and the treatment effect is poor still causes the pollution to the river course, and the practicality is relatively poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a river course blowdown processing apparatus is used in water pollution prevention and cure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a river course blowdown processing apparatus for water pollution prevention and cure, is including handling the case, the inside of handling the case is equipped with partition panel and filter screen, the partition panel is provided with threely, it is three the partition panel will handle the inside of case and separate into four parts of precipitation box, one-level filter box, second grade filter box and tertiary filter box in proper order, be equipped with the intercommunication mouth on the partition panel, the top of precipitation box is equipped with into dirty mouthful, the lower extreme of tertiary filter box one side is equipped with the discharge port, it is equipped with power supply mechanism on the case to handle, the inside of second grade filter box is equipped with flocculation mechanism.
Preferably, the filter screen includes grid, one-level filter screen, second grade filter screen and tertiary filter screen, and the inside upper end of settling tank of intercommunication mouth below is equipped with the grid, and the dirt inlet runs through the grid setting, and the inside one-level filter screen that is equipped with of one-level filter box between the intercommunication mouth on the partition panel of the relative both sides of one-level filter box, the inside second grade filter screen that is equipped with of second grade filter box between the intercommunication mouth on the partition panel of the relative both sides of second grade filter box, the inside tertiary filter screen that is equipped with of tertiary filter box of intercommunication mouth below.
Preferably, the power supply mechanism includes solar cell panel and battery, and the top of handling the case is equipped with a plurality of solar cell panel, and solar cell panel is the slope through the support and locates and handle the roof portion, and the top of tertiary filter box is equipped with the battery, and solar cell panel passes through the dc-to-ac converter and is connected with the battery.
Preferably, the lower extreme of settling tank one side is equipped with the drain, is equipped with the valve on the drain.
Preferably, the water outlet ends of the communication ports extend above the middle part of the filter screen.
Preferably, flocculation mechanism includes the chemical tank and adds the pencil, and the inside upper end of second grade filter box is equipped with the chemical tank, and the top of chemical tank is equipped with the medicament mouth, and the lower extreme of chemical tank one side is equipped with and is equipped with the pencil, and the bottom that adds the pencil runs through the setting of second grade filter screen, is equipped with the solenoid valve on adding the pencil, is equipped with in the second grade filter box and mixes the medicine mechanism.
Preferably, mix medicine mechanism and include (mixing) shaft and blade, the bottom of medicament case is equipped with servo motor, and servo motor's output passes through the shaft coupling to be connected with the output of (mixing) shaft, and the (mixing) shaft runs through the second grade filter screen and is connected with the blade, electric connection between servo motor and the battery.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this river course blowdown treatment device is used in water pollution control through the processing case that sets up, handles the sewage that the source was discharged in the river course through processing the case for sewage discharge to reach standard through the river course discharges, with the water pollution control that is used for the river course blowdown, reduces water pollution, is favorable to environmental protection.
2. This river course blowdown processing apparatus for water pollution prevention and cure through setting up the partition panel in handling the incasement, will handle the case and separate into four parts of settling tank, one-level filter box, second grade filter box and tertiary filter box, combines grid, one-level filter screen, second grade filter screen and tertiary filter screen, and the multistage filtration improves water pollution blowdown and prevents and treat the effect, and utilizes the difference in height of water level to realize the operation between at different levels, and the continuity is good.
3. This river course blowdown processing apparatus for water pollution prevention and cure through setting up solar cell panel and the battery on handling the case, the space at rational utilization processing box top increases the functionality of handling the case, changes solar energy into the electric energy and supplies processing apparatus to operate and use, and is energy-concerving and environment-protective.
4. This river course blowdown processing apparatus is used in water pollution prevention and cure, through the flocculation mechanism of setting in the second grade filter box, the chemical tank combines the mixing mechanism that sets up in the second grade filter box with the cooperation of dosing pipe for sewage flocculation, the practicality is stronger.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a treatment tank in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a secondary filter box in embodiment 2 of the present invention.
In the figure: 1. a treatment tank; 11. a settling tank; 12. a first-stage filter box; 13. a secondary filter box; 14. a third stage filter box; 15. a sewage inlet; 16. a discharge port; 17. a grid; 18. a first-stage filter screen; 19. a second-stage filter screen; 110. a third-stage filter screen; 111. a sewage draining outlet; 2. a partition panel; 21. a communication port; 3. a solar panel; 31. a support; 4. a kit; 41. a medicine feeding pipe; 5. a storage battery; 6. a stirring shaft; 61. a blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1 and fig. 2, this embodiment is river pollution discharge treatment device for water pollution control, including handling case 1, the inside of handling case 1 is equipped with partition panel 2 and filter screen, partition panel 2 is provided with threely, three partition panel 2 will handle the inside of case 1 and separate into precipitation box 11 in proper order, one-level filter box 12, second grade filter box 13 and three-level filter box 14 four parts, be equipped with intercommunication mouth 21 on the partition panel 2, the top of precipitation box 11 is equipped with into dirty mouthful 15, the lower extreme of three-level filter box 14 one side is equipped with discharge port 16, be equipped with power supply mechanism on handling case 1, the inside of second grade filter box 13 is equipped with flocculation mechanism, handle the sewage of river course emission source through handling case 1, make the sewage discharge up to standard through the river course, in order to be used for the water pollution control of river course blowdown, reduce water pollution, be favorable to environmental protection.
Concretely, the filter screen includes grid 17, one-level filter screen 18, second grade filter screen 19 and tertiary filter screen 110, the inside upper end of the settling tank 11 of intercommunication mouth 21 below is equipped with grid 17, it runs through grid 17 setting to advance dirty mouthful 15, the inside one-level filter screen 18 that is equipped with of one-level filter case 12 between the intercommunication mouth 21 on the partition panel 2 of one-level filter case 12 relative both sides, the inside second grade filter case 13 that is equipped with between the intercommunication mouth 21 on the partition panel 2 of second grade filter case 13 relative both sides is equipped with second grade filter screen 19, the inside tertiary filter case 14 that is equipped with tertiary filter screen 110 of intercommunication mouth 21 below, multi-stage filtration improves water pollution blowdown treatment effect, and utilize water level difference in height to realize the operation between at different levels, the continuity is good.
Further, power supply mechanism includes solar cell panel 3 and battery 5, the top of handling case 1 is equipped with a plurality of solar cell panel 3, solar cell panel 3 is the slope through support 31 and locates and handle 1 tops of case, the top of tertiary filter box 14 is equipped with battery 5, solar cell panel 3 passes through the dc-to-ac converter and is connected with battery 5, the space at 1 tops of rational utilization processing case, increase the functionality of handling case 1, convert solar energy into the electric energy and supply processing apparatus to operate and use, energy saving and environmental protection.
Further, the lower extreme of settling tank 11 one side is equipped with drain 111, is equipped with the valve on the drain 111, conveniently discharges the precipitate in settling tank 11.
Furthermore, the water outlet end of the communicating port 21 extends above the middle part of the filter screen, so that the water inlet filtering effect between the stages is better.
The using method of the embodiment comprises the following steps: the sewage produced in production and life is connected with a sewage inlet 15 on a treatment box 1 through a sewage pipeline, the sewage enters the interior of a sedimentation box 11 through the sewage inlet 15, after the sewage is precipitated and filtered by a grating 17 in the sedimentation box 11, when the height of the sewage in the sedimentation box 11 reaches the height of a communication port 21 on a partition plate 2, the sewage in the sedimentation box 11 enters a first-stage filter box 12 through the communication port 21, the sewage is subjected to first-stage filtration through a first-stage filter screen 18 in the first-stage filter box 12, when the height of the water level in the first-stage filter box 12 reaches the height of the communication port 21 on the partition plate 2, the water in the first-stage filter box 12 enters a second-stage filter box 13 through the communication port 21, similarly, the water in the second-stage filter box 13 is subjected to second-stage filtration and flocculation through a second-stage filter screen 19 and a flocculation mechanism, then enters the third-stage filter box 14 through the communication port 21, the third-stage filter screen 110 in the third-stage filter box 14 is subjected to third-stage filtration, and finally discharged into a river channel through a discharge port 16, the sewage to the river course emission source is handled, make the sewage discharge to reach standard through the river course, prevent and treat with the water pollution for the river course blowdown, reduce water pollution, be favorable to environmental protection, multi-stage filtration improves water pollution blowdown prevention and treatment effect, and utilize water level difference between each grade to realize the operation, the continuity is good, it is low to handle the operation energy consumption, through setting up solar cell panel 3 and the battery 5 on handling case 1, the space at 1 top of rational utilization processing case, increase the functionality of handling case 1, convert solar energy into the electric energy and supply processing apparatus to operate and use, and is energy-saving and environment-friendly.
Example 2
The structure of the river pollution discharge treatment device for water pollution control in the embodiment is basically the same as that of the river pollution discharge treatment device for water pollution control in the embodiment 1, and the difference is that: the flocculation mechanism includes a chemical tank 4 and a chemical feed pipe 41 (see fig. 3). Inside upper end of second grade filter box 13 is equipped with chemical tank 4, and the top of chemical tank 4 is equipped with the medicament mouth, and the lower extreme of chemical tank 4 one side is equipped with and is equipped with pencil 41, and the bottom that adds pencil 41 runs through second grade filter screen 19 and sets up, is equipped with the solenoid valve on the pencil 41, is equipped with in the second grade filter box 13 and mixes medicine mechanism, and the medicament in the chemical tank 4 adds in second grade filter box 13 through adding pencil 41 for sewage flocculation.
Concretely, mix medicine mechanism and include (mixing) shaft 6 and blade 61, the bottom of chemical tank 4 is equipped with servo motor, and servo motor's output passes through the shaft coupling and is connected with (mixing) shaft 6's output, (mixing) shaft 6 runs through second grade filter screen 19 and is connected with blade 61, electric connection between servo motor and the battery 5, and servo motor drive (mixing) shaft 6 and blade 61 rotate for the mixture of medicament, the flocculation is quick, even.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a water pollution prevention and cure is with river course blowdown processing apparatus, is including handling case (1), its characterized in that: the inside of handling case (1) is equipped with partition panel (2) and filter screen, partition panel (2) are provided with threely, three the inside that will handle case (1) of partition panel (2) separates into four parts of setting tank (11), one-level filter box (12), second grade filter box (13) and tertiary filter box (14) in proper order, be equipped with intercommunication mouth (21) on partition panel (2), the top of setting tank (11) is equipped with into dirty mouthful (15), the lower extreme of tertiary filter box (14) one side is equipped with discharge port (16), be equipped with power supply mechanism on handling case (1), the inside of second grade filter box (13) is equipped with flocculation mechanism.
2. The river course blowdown treatment device for water pollution control according to claim 1, wherein: the filter screen includes grid (17), one-level filter screen (18), second grade filter screen (19) and tertiary filter screen (110), the inside upper end of settling tank (11) of intercommunication mouth (21) below is equipped with grid (17), it runs through grid (17) setting to advance dirty mouthful (15), one-level filter screen (18) are equipped with inside one-level filter tank (12) between intercommunication mouth (21) on the partition panel (2) of the relative both sides of one-level filter tank (12), second grade filter tank (13) inside between intercommunication mouth (21) on partition panel (2) of the relative both sides of second grade filter tank (13) is equipped with second grade filter screen (19), the inside tertiary filter screen (110) that is equipped with of tertiary filter tank (14) of intercommunication mouth (21) below.
3. The river course blowdown treatment device for water pollution control according to claim 1, wherein: the power supply mechanism comprises a solar cell panel (3) and a storage battery (5), the top of the processing box (1) is provided with the solar cell panel (3), the solar cell panel (3) is obliquely arranged on the top of the processing box (1) through a support (31), the top of the three-stage filter box (14) is provided with the storage battery (5), and the solar cell panel (3) is connected with the storage battery (5) through an inverter.
4. The river course blowdown treatment device for water pollution control according to claim 1, wherein: the lower extreme of setting tank (11) one side is equipped with drain (111), is equipped with the valve on drain (111).
5. The river course blowdown treatment device for water pollution control according to claim 1, wherein: the water outlet end of the communicating port (21) extends above the middle part of the filter screen.
6. The river course blowdown treatment device for water pollution control according to claim 3, wherein: flocculation mechanism includes chemical tank (4) and adds pencil (41), and the upper end of second grade filter box (13) inside is equipped with chemical tank (4), and the top of chemical tank (4) is equipped with the medicament mouth, and the lower extreme of chemical tank (4) one side is equipped with adds pencil (41), and the bottom that adds pencil (41) runs through second grade filter screen (19) and sets up, is equipped with the solenoid valve on adding pencil (41), is equipped with in second grade filter box (13) and mixes medicine mechanism.
7. The river course blowdown treatment device for water pollution control according to claim 6, wherein: mix medicine mechanism and include (mixing) shaft (6) and blade (61), the bottom of chemical tank (4) is equipped with servo motor, and servo motor's output passes through the shaft coupling and is connected with the output of (mixing) shaft (6), and (mixing) shaft (6) run through second grade filter screen (19) and are connected with blade (61), electric connection between servo motor and battery (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220640768.5U CN217173454U (en) | 2022-03-23 | 2022-03-23 | River pollution discharge treatment device for water pollution prevention and treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220640768.5U CN217173454U (en) | 2022-03-23 | 2022-03-23 | River pollution discharge treatment device for water pollution prevention and treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217173454U true CN217173454U (en) | 2022-08-12 |
Family
ID=82744384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220640768.5U Expired - Fee Related CN217173454U (en) | 2022-03-23 | 2022-03-23 | River pollution discharge treatment device for water pollution prevention and treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217173454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116854315A (en) * | 2023-08-25 | 2023-10-10 | 深圳市绿奥环境建设有限公司 | Sewage treatment device and sewage treatment method based on multistage filtration |
-
2022
- 2022-03-23 CN CN202220640768.5U patent/CN217173454U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116854315A (en) * | 2023-08-25 | 2023-10-10 | 深圳市绿奥环境建设有限公司 | Sewage treatment device and sewage treatment method based on multistage filtration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217173454U (en) | River pollution discharge treatment device for water pollution prevention and treatment | |
| CN213294858U (en) | Complete water treatment equipment based on MBR (membrane bioreactor) membrane | |
| CN211189977U (en) | Sewage deposits purifies uses flash mixed agitating unit | |
| CN209797702U (en) | Sewage treatment box for environmental improvement | |
| CN206289069U (en) | Treatment tank and anti-pollution processing system | |
| CN213506358U (en) | Mobile precipitated sewage purification device | |
| CN212740886U (en) | Reaction and precipitation integrated bioreactor using horizontal pipe three-phase separator | |
| CN210559943U (en) | Solar energy integration sewage treatment device | |
| CN210481143U (en) | Sewage treatment system based on MBR membrane process | |
| CN210261382U (en) | Sewage treatment device for water pollution prevention and control | |
| CN216395581U (en) | Intelligent water treatment system with multistage circulating filtration and purification functions for intelligent water affairs | |
| CN111661989A (en) | Integrated sewage treatment device | |
| CN211712815U (en) | Device for treating black and odorous water body | |
| CN214327254U (en) | High-efficient good oxygen granule mud biochemical system | |
| CN211688722U (en) | Integrated sewage treatment equipment | |
| CN211871723U (en) | Reclaimed water recycling device with ternary synergistic effect | |
| CN219652694U (en) | Solid waste leachate pretreatment system | |
| CN219314779U (en) | Steel constructs integration equipment | |
| CN221267424U (en) | High-salt wastewater membrane concentration and decrement treatment device | |
| CN211255631U (en) | Solar energy type integration sewage treatment device | |
| CN217535592U (en) | Multifunctional combined pump room | |
| CN212610125U (en) | Rural domestic sewage integration treatment facility | |
| CN210030280U (en) | Skid-mounted environment-friendly wastewater treatment device | |
| CN218403872U (en) | Hydrolysis-alternating AO sewage advanced treatment unit | |
| CN214496036U (en) | Multistage AO-MBR integration sewage treatment plant |
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: 20220812 |