CN217287435U - Green's irrigation canals and ditches sewage treatment plant - Google Patents
Green's irrigation canals and ditches sewage treatment plant Download PDFInfo
- Publication number
- CN217287435U CN217287435U CN202220415959.1U CN202220415959U CN217287435U CN 217287435 U CN217287435 U CN 217287435U CN 202220415959 U CN202220415959 U CN 202220415959U CN 217287435 U CN217287435 U CN 217287435U
- Authority
- CN
- China
- Prior art keywords
- filter plate
- sewage treatment
- wall
- green
- sewage
- 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 57
- 230000002262 irrigation Effects 0.000 title claims description 7
- 238000003973 irrigation Methods 0.000 title claims description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000000694 effects Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 15
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a green ditch sewage treatment device, which belongs to the technical field of sewage treatment, and comprises a treatment box, wherein two placing mechanisms are arranged inside the treatment box, each placing mechanism comprises a plurality of supporting plates fixedly connected to the left and right inner walls of the treatment box, a vibrating spring is fixedly arranged at the upper end of each supporting plate, a movable plate is arranged at the upper ends of the left and right vibrating springs, and a vibrating mechanism for driving the movable plate to move is arranged at the lower side of the inner cavity of the treatment box; according to the scheme, the first filter plate and the second filter plate are vibrated up and down in a reciprocating manner through the matching of the vibration mechanism, the collision rod and the vibration spring, so that the situation that impurities above the first filter plate and the second filter plate are accumulated can be greatly avoided, the situation of local blockage can be greatly avoided, and the sewage treatment effect can be remarkably improved; and greatly avoids the reduction of the sewage circulation speed, so that the sewage treatment efficiency is greatly improved.
Description
Technical Field
The utility model relates to a sewage treatment technical field, more specifically say, relate to a green's irrigation canals and ditches sewage treatment plant.
Background
The term "trench" refers to a general term for a water channel dug for irrigation or drainage. The ditches are roughly divided into two types, one is a rainwater sewer which is visible everywhere on the roadside. The other is to convey the waste water of the households and factories to a sewage sewer of a sewage treatment plant in a closed pipeline mode. If factories and some domestic wastewater directly flow into rivers, lakes and seas through ditches, not only can great pollution influence be caused to the water environment, but also great threat can be further caused to the human health and the global environment. Therefore, the sewage in the ditch is treated and then discharged up to the standard, so as to ensure the environment protection by the green and environment-friendly discharge.
Current sewage treatment plant when handling irrigation canals and ditches sewage, generally make sewage directly filter through the filter screen, at filterable in-process, the impurity that is blocked by the filter screen can be piled up on the filter screen, not only can cause the local jam of filter screen to influence the filtration treatment effect of sewage, cause moreover to pile up the filter screen after blockking up and can have great reduction to the speed of sewage circulation, make the filtration efficiency of sewage greatly reduce, and then make the sewage treatment performance of device poor.
Therefore, there is a need for an environmentally friendly ditch sewage treatment device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a green's irrigation canals and ditches sewage treatment plant is in order to solve above-mentioned technical problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a ditch sewage treatment plant of green, is including handling the case, the inside of handling the case is provided with two placement mechanism, two be connected with the drive rod between the placement mechanism, be equipped with first filter plate and second filter plate on two placement mechanism respectively, placement mechanism is including a plurality of backup pads of fixed connection inner wall about handling the case, the fixed vibrating spring that is equipped with in backup pad upper end controls the side vibrating spring upper end is equipped with the movable plate jointly, the outer wall of movable plate with handle the incasement wall and slide the laminating, first filter plate and second filter plate are located the top of two movable plates respectively, the downside the common fixedly connected with of lower extreme of the movable plate that placement mechanism was last has a plurality of collision poles, it is equipped with the vibrating mechanism who is used for driving the movable plate and removes to handle incasement chamber downside.
Further, the vibration mechanism is connected in the pivot of handling between the case left and right walls including rotating, the left side outer wall of handling the case is equipped with the motor of being connected with the pivot drive, a plurality of eccentric wheels that correspond the complex with the impact bar are installed to the outer wall of pivot.
Furthermore, a plurality of U-shaped sliding seats are fixedly arranged at the upper ends of the left side and the right side of the movable plate, sliding strips are mounted at the left end and the right end of the first filter plate and the second filter plate, and the sliding strips are respectively connected with the U-shaped sliding seats at the left side and the right side in a sliding mode.
Furthermore, the upper end of the driving rod is connected to the bottom of the U-shaped sliding seat in the upper side placing mechanism, and the other end of the driving rod is connected to the upper end of the U-shaped sliding seat in the lower side placing mechanism.
Further, it has the feed inlet to handle the case upper wall intercommunication, it is fixed to be equipped with the adapter to handle the incasement wall, adapter middle part activity through connection has the dredging rod, it is equipped with the linkage subassembly that drives the dredging rod and go up and down to handle the incasement.
Further, linkage subassembly is including rotating the curved bar of connecting between handling case left and right walls, the band pulley is all installed to the right-hand member of curved bar and the right-hand member of pivot, from top to bottom the transmission is connected with the belt between the band pulley, the activity of buckling out in the middle of the curved bar has cup jointed the sleeve, the sleeve outer wall articulates there is the connecting rod, the other end of connecting rod articulates in mediation pole lower extreme.
Furthermore, a plurality of tamping rods are arranged on the outer wall of the dredging rod in an annular array mode.
Compared with the prior art, the utility model has the advantages of:
according to the scheme, the sewage is filtered by the first filter plate and the second filter plate, the treatment effect is good, the lower placing mechanism is driven to move up and down by the matching of the vibration mechanism and the collision rod, the upper placing mechanism is driven to move up and down by the driving rod, and the first filter plate and the second filter plate vibrate up and down in a reciprocating manner by the matching of the vibration spring, so that the situation that impurities above the first filter plate and the second filter plate are accumulated can be greatly avoided, the situation of local blockage can be greatly avoided, and the treatment effect on the sewage can be remarkably improved; but also greatly avoids the reduction of the sewage circulation speed caused by the accumulation and blockage of impurities, so that the sewage treatment efficiency is greatly improved, and the sewage treatment performance is strong.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure inside the treatment tank of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a schematic view of the interior of the treatment chamber according to the present invention;
fig. 5 is a schematic view of a three-dimensional structure of two placement mechanisms of the present invention;
fig. 6 is a schematic view of the internal local structure of the treatment tank of the present invention.
The reference numbers in the figures illustrate:
1. a treatment tank; 2. a first filter plate; 3. a second filter plate; 4. a support plate; 5. a vibration spring; 6. moving the plate; 7. a collision bar; 8. driving the rod; 9. a vibration mechanism; 901. a rotating shaft; 902. a motor; 903. an eccentric wheel; 10. tamping the rod; 11. a U-shaped slide seat; 12. a slide bar; 13. a feed inlet; 14. a transfer seat; 15. dredging the rod; 16. a curved bar; 17. a pulley; 18. a belt; 19. a sleeve; 20. a connecting rod.
Detailed Description
The first embodiment is as follows:
referring to fig. 1-2 and 4-5, a green and environment-friendly ditch sewage treatment device comprises a treatment tank 1, two placing mechanisms are arranged inside the treatment tank 1, a driving rod 8 is connected between the two placing mechanisms, a first filter plate 2 and a second filter plate 3 are respectively arranged on the two placing mechanisms, the placing mechanisms comprise a plurality of support plates 4 fixedly connected with the left inner wall and the right inner wall of the treatment tank 1, a vibration spring 5 is fixedly arranged at the upper end of each support plate 4, a movable plate 6 is jointly arranged at the upper ends of the left vibration spring 5 and the right vibration spring 5, the outer wall of each movable plate 6 is in sliding fit with the inner wall of the treatment tank 1, the first filter plate 2 and the second filter plate 3 are respectively positioned above the two movable plates 6, a plurality of collision rods 7 are jointly fixedly connected with the lower end of the movable plate 6 on the lower placing mechanism, a vibration mechanism 9 for driving the movable plate 6 to move is arranged at the lower side of the inner cavity of the treatment tank 1, the front end of the treatment box 1 is provided with a cleaning door. When the device is used, the ditch sewage can firstly filter some large impurities in the sewage through the first filter plate 2, then the second filter plate 3 is used for filtering some small impurities and pollutants in the sewage, the sewage can be well filtered, meanwhile, the lower placing mechanism is driven to move up and down through the matching of the vibration mechanism 9 and the collision rod 7, the upper placing mechanism can be driven to move up and down through the driving rod 8, and then the vibration spring 5 is matched, so that the reciprocating up and down vibration of the first filter plate 2 and the second filter plate 3 is realized, the condition of impurity accumulation above the first filter plate 2 and the second filter plate 3 can be greatly avoided, the condition of local blockage can be greatly avoided, and the sewage treatment effect can be remarkably improved; but also greatly avoids the reduction of the sewage circulation speed caused by the accumulation and blockage of impurities, so that the sewage treatment efficiency is greatly improved, and the sewage treatment performance is strong.
Referring to fig. 1 and 4, the vibrating mechanism 9 includes a rotating shaft 901 rotatably connected between the left and right walls of the processing box 1, a motor 902 drivingly connected to the rotating shaft 901 is disposed on the outer wall of the left side of the processing box 1, and a plurality of eccentric wheels 903 correspondingly engaged with the collision bars 7 are mounted on the outer wall of the rotating shaft 901. The motor 902 is started to drive the rotating shaft 901 and the eccentric wheel 903 to rotate, and the eccentric wheel 903 rotates and simultaneously contacts with the collision rod 7 in a reciprocating manner, and drives the first filter plate 2 and the second filter plate 3 to vibrate up and down in a reciprocating manner.
Referring to fig. 2 and fig. 4-5, U-shaped slides 11 are fixed on the upper ends of the left and right sides of the moving plates 6, slide bars 12 are mounted on the left and right ends of the first filter plate 2 and the second filter plate 3, and the left and right slide bars 12 are slidably connected to the U-shaped slides 11 on the two sides, respectively. The upper end of the driving rod 8 is connected to the bottom of the U-shaped sliding seat 11 in the upper side placing mechanism, and the other end of the driving rod 8 is connected to the upper end of the U-shaped sliding seat 11 in the lower side placing mechanism. After using for a period, the accessible is opened and is handled the clearance door of case 1, then passes through the slip strip 12 respectively with first filter plate 2 and second filter plate 3 along the 11 roll-offs of U type slide, then can be convenient clear up first filter plate 2 and second filter plate 3 to guarantee its clearance effect to sewage, can also improve the life of first filter plate 2 and second filter plate 3.
Referring to fig. 4 and 6, the upper wall of the treatment tank 1 is communicated with a feed inlet 13, the inner wall of the treatment tank 1 is fixedly provided with an adapter 14, the middle part of the adapter 14 is movably connected with a dredging rod 15 in a penetrating manner, and the treatment tank 1 is internally provided with a linkage assembly for driving the dredging rod 15 to ascend and descend. The linkage component comprises a curved bar 16 which is rotatably connected between the left wall and the right wall of the treatment box 1, belt wheels 17 are respectively installed at the right end of the curved bar 16 and the right end of the rotating shaft 901, a belt 18 is connected between the upper belt wheel and the lower belt wheel 17 in a transmission manner, a sleeve 19 is movably sleeved in the middle of the curved bar 16 in a zigzag manner, a connecting rod 20 is hinged to the outer wall of the sleeve 19, and the other end of the connecting rod 20 is hinged to the lower end of the dredging rod 15. When pivot 901 rotates, will drive curved bar 16 simultaneously through the cooperation of band pulley 17 and belt 18 and rotate, constantly rotate through curved bar 16 and can drive dredging rod 15 through connecting rod 20 along switching seat 14 reciprocating motion from top to bottom, can enter into feed inlet 13 when dredging rod 15 rises, sewage and impurity in feed inlet 13 can be smash to lead to dredging rod 15's upper and lower reciprocating motion, can prevent greatly piling up of the great impurity in feed inlet 13 and causing feed inlet 13 to block up, when guaranteeing that feed inlet 13 can make sewage pass through smoothly, also can make the sewage circulation speed of feed inlet 13 have great promotion, and then improve the entering effect of sewage, satisfy current user demand. The outer wall annular array of dredging rod 15 is equipped with a plurality of pole 10 of smashing, through can improving the result of use that smashes pole 10, and then further improves the stifled effect of leading to in the feed inlet 13.
The working principle is as follows: when the device is used, ditch sewage enters the treatment box 1 through the feed inlet 13, the ditch sewage is subjected to primary filtration treatment through the first filter plate 2, some large impurities in the sewage can be filtered, then the filtered sewage falls onto the second filter plate 3 for filtration, so that the sewage can be further treated, some small impurities and pollutants are filtered, meanwhile, the motor 902 is started to drive the rotating shaft 901 and the eccentric wheel 903 to rotate, the eccentric wheel 903 rotates and simultaneously contacts with the collision rod 7 in a reciprocating mode, the movable plate 6 on the lower side is driven to move upwards along the inner wall of the treatment box 1 when contacting with the collision rod 7, the movable plate 6 drives the U-shaped slide seat 11 and the sliding strip 12 on the lower side to move upwards, the U-shaped slide seat 11 and the movable plate 6 on the upper side are simultaneously driven to move upwards through the matching effect of the U-shaped slide seat 11 and the driving rod 8, and the slide seat drives the first filter plate 2 and the second filter plate 3 to move upwards, and simultaneously stretching vibration spring 5, when eccentric wheel 903 rotates to long limit and keeps away from collision bar 7 gradually again, through the effect of vibration spring 5, can drive U type slide 11 and the sliding strip 12 of upper and lower both sides and move down and reset, can drive first filter plate 2 and second filter plate 3 and move down and reset promptly, thereby through the rotation repeatedly of eccentric wheel 903, and then make first filter plate 2 and the reciprocal vibration from top to bottom of second filter plate 3, and then can greatly avoid the circumstances that the impurity above first filter plate 2 and the second filter plate 3 is piled up, greatly avoid the condition of local jam, make sewage treatment's efficiency and effect have very big improvement.
When the rotating shaft 901 rotates, the crank rod 16 is driven to rotate through the matching of the belt wheel 17 and the belt 18, the continuous rotation of the crank rod 16 can drive the dredging rod 15 to reciprocate up and down along the adapter 14 through the connecting rod 20, the dredging rod 15 can enter the feeding hole 13 when ascending, the sewage and impurities in the feeding hole 13 can be pumped by the up-and-down repeated motion of the dredging rod 15, the blockage of the feeding hole 13 caused by the accumulation of large impurities in the feeding hole 13 can be greatly prevented, and the feeding hole 13 can be ensured to enable the sewage to smoothly pass through
After using for a period, the accessible is opened and is handled the clearance door of case 1, then passes through the slip strip 12 respectively with first filter plate 2 and second filter plate 3 along the 11 roll-offs of U type slide, then can be convenient clear up first filter plate 2 and second filter plate 3 to guarantee its clearance effect to sewage, can also improve the life of first filter plate 2 and second filter plate 3.
Claims (7)
1. The utility model provides a green's irrigation canals and ditches sewage treatment plant, is including handling the case, its characterized in that: handle the inside of case and be provided with two placement machine and construct, two be connected with the drive pole between the placement machine and construct, be equipped with first filter plate and second filter plate on two placement machine respectively, placement machine constructs including a plurality of backup pads of fixed connection inner wall about handling the case, the fixed vibrating spring that is equipped with in backup pad upper end controls the side vibrating spring upper end is equipped with the movable plate jointly, the outer wall of movable plate with handle incasement wall and slide the laminating, first filter plate and second filter plate are located the top of two movable plates respectively, the downside a plurality of collision poles of common fixedly connected with of lower extreme of the last movable plate of placement machine, it is equipped with the vibrating mechanism who is used for driving the movable plate and removes to handle incasement chamber downside.
2. The apparatus of claim 1, wherein the sewage treatment apparatus comprises: the vibrating mechanism is connected in the pivot of handling between the case left and right walls including rotating, the left side outer wall of handling the case is equipped with the motor of being connected with the pivot drive, a plurality of eccentric wheels that correspond the complex with the collision bar are installed to the outer wall of pivot.
3. The green and environment-friendly ditch sewage treatment device according to claim 1, wherein: a plurality of U type slide all fixedly is equipped with in the movable plate left and right sides upper end, the sliding strip is all installed at both ends about first filter plate and the second filter plate, controls the side the sliding strip respectively with both sides U type slide sliding connection.
4. The green and environment-friendly ditch sewage treatment device according to claim 3, wherein: the upper end of the driving rod is connected to the bottom of the U-shaped sliding seat in the upper side placing mechanism, and the other end of the driving rod is connected to the upper end of the U-shaped sliding seat in the lower side placing mechanism.
5. The green and environment-friendly sewage treatment device for the ditch as claimed in claim 2, wherein: the upper wall of the treatment box is communicated with a feed inlet, an adapter is fixedly arranged on the inner wall of the treatment box, a dredging rod is movably connected to the middle of the adapter in a penetrating mode, and a linkage assembly for driving the dredging rod to lift is arranged in the treatment box.
6. The green and environment-friendly ditch sewage treatment device according to claim 5, wherein: the linkage subassembly is including rotating the curved bar of connecting between the wall of handling case left and right sides, the band pulley is all installed to the right-hand member of curved bar and the right-hand member of pivot, from top to bottom the transmission is connected with the belt between the band pulley, the activity of buckling out in the middle of the curved bar has cup jointed the sleeve, the sleeve outer wall articulates there is the connecting rod, the other end of connecting rod articulates in mediation pole lower extreme.
7. The green and environment-friendly ditch sewage treatment device according to claim 5, wherein: the outer wall annular array of dredging pole is equipped with a plurality of poles of smashing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220415959.1U CN217287435U (en) | 2022-02-28 | 2022-02-28 | Green's irrigation canals and ditches sewage treatment plant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220415959.1U CN217287435U (en) | 2022-02-28 | 2022-02-28 | Green's irrigation canals and ditches sewage treatment plant |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217287435U true CN217287435U (en) | 2022-08-26 |
Family
ID=82935201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202220415959.1U Expired - Fee Related CN217287435U (en) | 2022-02-28 | 2022-02-28 | Green's irrigation canals and ditches sewage treatment plant |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217287435U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116425222A (en) * | 2023-03-22 | 2023-07-14 | 浙江省金华生态环境监测中心 | Sewage purification water treatment equipment for environmental engineering |
CN116531845A (en) * | 2023-05-22 | 2023-08-04 | 徐州铸建建材科技有限公司 | Impurity filtering equipment for concrete water reducer preparation |
-
2022
- 2022-02-28 CN CN202220415959.1U patent/CN217287435U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116425222A (en) * | 2023-03-22 | 2023-07-14 | 浙江省金华生态环境监测中心 | Sewage purification water treatment equipment for environmental engineering |
CN116425222B (en) * | 2023-03-22 | 2023-12-08 | 浙江省金华生态环境监测中心 | Sewage purification water treatment equipment for environmental engineering |
CN116531845A (en) * | 2023-05-22 | 2023-08-04 | 徐州铸建建材科技有限公司 | Impurity filtering equipment for concrete water reducer preparation |
CN116531845B (en) * | 2023-05-22 | 2023-10-31 | 徐州铸建建材科技有限公司 | Impurity filtering equipment for concrete water reducer preparation |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN217287435U (en) | Green's irrigation canals and ditches sewage treatment plant | |
CN113718922A (en) | Municipal administration underground drainage pipe automatically cleaning anti-clogging device | |
CN113144724A (en) | Sewage treatment environmental protection machinery | |
CN111085043A (en) | Preliminary filtering equipment and method for solid impurities in sewage | |
CN212974367U (en) | Sewage treatment equipment suitable for domestic wastewater treatment | |
CN117090173A (en) | Tower type water conservancy trash remover | |
CN218262060U (en) | Intercepting device for sewage treatment in sewage treatment tank | |
CN115784518A (en) | Filter equipment for industrial sewage treatment | |
CN216195322U (en) | Municipal works road drainage structures | |
CN214914103U (en) | Anti-silting lifting device for inverted siphon | |
CN214972143U (en) | Discharging device for garbage sewage treatment vehicle | |
CN115304143A (en) | Spiral sand washer water cyclic utilization device | |
CN214192971U (en) | Mud sedimentation tank for treating polluted bottom mud of river and lake | |
CN211050990U (en) | Mobile vehicle sewage treatment and sewage treatment device | |
CN220537523U (en) | A filter equipment for sewage treatment | |
CN112627120A (en) | Gate for farmland irrigation and capable of removing silt and garbage | |
CN220736646U (en) | Hydraulic engineering silt processing apparatus | |
CN218794532U (en) | Sewage treatment vehicle | |
CN219744125U (en) | Sewage treatment mud discharging device | |
CN219470991U (en) | Foundation pit drainage device for building engineering construction | |
CN218437393U (en) | Ponding collection device for town road | |
CN218373621U (en) | Drainage device for hydraulic engineering construction | |
CN221167983U (en) | Irrigation and water conservancy channel dredging device | |
CN216009991U (en) | A hydrophobic means for hydraulic engineering | |
CN212670773U (en) | Drainage device convenient to handle jam |
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: 20220826 |