AU2021103756A4 - A Sludge Cleaning Device For Sewage Treatment Tank - Google Patents
A Sludge Cleaning Device For Sewage Treatment Tank Download PDFInfo
- Publication number
- AU2021103756A4 AU2021103756A4 AU2021103756A AU2021103756A AU2021103756A4 AU 2021103756 A4 AU2021103756 A4 AU 2021103756A4 AU 2021103756 A AU2021103756 A AU 2021103756A AU 2021103756 A AU2021103756 A AU 2021103756A AU 2021103756 A4 AU2021103756 A4 AU 2021103756A4
- Authority
- AU
- Australia
- Prior art keywords
- bevel gear
- tank body
- sewage
- tube
- rotating tube
- 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.)
- Ceased
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 66
- 239000010802 sludge Substances 0.000 title claims abstract description 38
- 238000004140 cleaning Methods 0.000 title claims abstract description 29
- 238000003756 stirring Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 238000011086 high cleaning Methods 0.000 abstract description 3
- 238000007667 floating Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Removal Of Floating Material (AREA)
Abstract
Anstracy 01 uescripuons
The invention discloses a sludge cleaning device for sewage treatment tank, comprising a
tank body, the bottom of the tank body is provided with a support frame, the upper side of the
support frame is rotatably connected with a rotating tube, the lower part of the rotating tube is
symmetrically provided with stirring rods, the outer end of the stirring rod is fixed with an
arc-shaped scraper, the upper end of the rotating tube is provided with a first driven bevel gear,
the left side of the first driven bevel gear is meshed with a first driving bevel gear, the left side of
the first driving bevel gear is meshed with a first motor, the upper end of the sleeve is fixed with
a second driven bevel gear, the right side of the second driven bevel gear is meshed with a
second driving bevel gear, the right side of the second driving bevel gear is connected with a
second motor, the inner side of the rotating tube is penetrated and rotatably connected with a
sewage tube, the lower end of the sewage tube is provided at the bottom of the tank body, and
the upper end of the sewage tube is provided with a sewage pump; the invention can not only
clean the scum, but also the sludge, has the advantages of high cleaning efficiency, safe and
practical, convenient and quick operation, and can realize the automatic cleaning of the sewage
tank.
drawings 01 uescripuions
A8
10
Figure1I
1I/C
Description
Anstracy 01 uescripuons
The invention discloses a sludge cleaning device for sewage treatment tank, comprising a
tank body, the bottom of the tank body is provided with a support frame, the upper side of the
support frame is rotatably connected with a rotating tube, the lower part of the rotating tube is symmetrically provided with stirring rods, the outer end of the stirring rod is fixed with an arc-shaped scraper, the upper end of the rotating tube is provided with a first driven bevel gear,
the left side of the first driven bevel gear is meshed with a first driving bevel gear, the left side of the first driving bevel gear is meshed with a first motor, the upper end of the sleeve is fixed with a second driven bevel gear, the right side of the second driven bevel gear is meshed with a second driving bevel gear, the right side of the second driving bevel gear is connected with a
second motor, the inner side of the rotating tube is penetrated and rotatably connected with a sewage tube, the lower end of the sewage tube is provided at the bottom of the tank body, and the upper end of the sewage tube is provided with a sewage pump; the invention can not only
clean the scum, but also the sludge, has the advantages of high cleaning efficiency, safe and practical, convenient and quick operation, and can realize the automatic cleaning of the sewage tank.
drawings 01 uescripuions
A8
10
Figure1I
1I/C ueseriptions
A Sludge Cleaning Device for Sewage Treatment Tank
Technical Field The invention belongs to the technical field of sewage treatment equipment, in particular to a sludge cleaning device for sewage treatment tank.
Background Technology Sewage treatment equipment is an industrial equipment that can effectively treat domestic sewage and industrial wastewater in urban areas. It is of great significance to improve the ecological environment, improve the city grade and promote the economic development by avoiding the direct inflow of sewage and pollutants into the water area. There are often floating sludge and floating objects on the tank surface of the sewage treatment tank, as well as the sludge sedimentation in the sewage treatment tank, which has a certain impact on the daily management of the sewage treatment enterprises. In general, we usually concentrate the floating objects on the surface of a single pool by scraper, and then use thefilter screen for centralized salvaging. This method requires labor salvaging and is close to the sewage treatment tank. It is easy to cause the operators to fall into the water tank, thus bringing potential safety hazards. Meanwhile, the sewage treatment tank will accumulate a large amount of sludge after long-term use. Currently, in the process of sludge cleaning, we need to drain the water inside the sewage treatment tank first, and then clean the sludge in the tank by hand digging, which is time-consuming and labor-consuming.
Summary of the Invention The purpose of the invention is to provide a sludge cleaning device for sewage treatment tank, which can not only clean the scum, but also the sludge, has the advantages of high cleaning efficiency, safe and practical, convenient and quick operation, and can realize the automatic cleaning of the sewage tank. In order to realize the above purpose, the invention provides the following technical solutions: A sludge cleaning device for sewage treatment tank, comprising a tank body, the lower part of the tank body is provided with a hemispherical structure, the bottom of the tank body is provided with a support frame, the upper side of the support frame is rotatably connected with a rotating tube, the lower part of the rotating tube is symmetrically provided with stirring ueseriptions rods, the outer end of the stirring rod is fixed with an arc-shaped scraper, the middle part of the rotating tube is penetrated with a circular plate, the lower side of the circular plate is installed with a number of electric water valves, the upper side of the circular plate is fixed with a diversion bucket, the upper side of the circular plate is rotatably connected with a sleeve, the sleeve is sleeved on the outside of the rotating tube and is rotatably connected with the rotating tube, the lower end of the sleeve is symmetrically provided with connecting rods, the outer end of the connecting rod is provided with a strip scraper, the outer end of the strip scraper is provided with a sliding head, the middle part of the tank body is provided with a chute, the sliding head slides on the inner side of the chute, the upper end of the rotating tube is provided with a first driven bevel gear, the left side of the first driven bevel gear is meshed with a first driving bevel gear, the left side of the first driving bevel gear is meshed with a first motor, the upper end of the sleeve is fixed with a second driven bevel gear, the right side of the second driven bevel gear is meshed with a second driving bevel gear, the right side of the second driving bevel gear is connected with a second motor, the upper side of the tank body is provided with a walking bridge, the lower side of the walking bridge is symmetrically provided with water tubes, the upper middle part of the water tube is connected with a water supply hose, the upper end of the water supply hose is installed with a water pump, the side of the water tube away from the walking bridge is provided with a number of water outlets, the tank body is symmetrically provided with collecting tanks, the middle part of the collecting tank is provided with a filter plate, the upper side of the filter plate is provided with a lifting assembly, the inner side of the rotating tube is penetrated and rotatably connected with a sewage tube, the lower end of the sewage tube is provided at the bottom of the tank body, and the upper end of the sewage tube is provided with a sewage pump. Further, the lifting assembly comprises a lifting rod, the upper end of the lifting rod is hinged with a connecting rod, the lower side of one end of the connecting rod away from the lifting rod is fixed with an electric telescopic rod, the left side of the electric telescopic rod is provided with a hinge rod, the upper end of the hinge rod is hinged with the connecting rod, and the lifting rod is fixedly connected with the filter plate. Further, the number of the electric water valves is 3-5. Further, the support frame comprises a support plate, the lower side of the support plate is symmetrically fixed with support rods, and the lower end of the support rod is fixed at the bottom of the tank body.
ueseriptions
Further, the lower side of the diversion bucket is evenly provided with a number of horizontal struts, and the outer end of the horizontal struts is fixedly connected with the side wall of the tank body. Further, the upper side of the middle part of the walking bridge is provided with a shell, the first motor, the second motor, the first driving bevel gear, the first driven bevel gear, the second driving bevel gear and the second driven bevel gear are provided on the inner side of the shell, and the lower side of the first motor and the second motor are provided with a base. Further, the lower part of the rotating tube is provided with a firm plate, the rotating tube is penetrated and rotatably connected with the firm plate, the firm plate is symmetrically connected with fixing rods, and the outer end of the fixing rod is fixed on the side wall of the tank body. The beneficial effects of the invention are as follows: The invention can realize the separation of the upper part and the lower part of the sewage tank by setting the diversion bucket, the circular plate and the electric water valve, so as to avoid the need to drain the water in the sewage tank when cleaning the sewage tank, increase the energy consumption of pumping, it is time-consuming and labor-consuming, and increase the cleaning cost of the sludge. When the electric water valve is closed, the first motor is started. The first motor drives the rotation of the rotating tube through the first driving bevel gear and the first driven bevel gear, the rotating tube drives the stirring rod and the arc-shaped scraper to rotate, mix the sedimental sludge and water into a slurry, and then discharge it through the sewage pump, so as to avoid the phenomenon that the sedimentation and hardening at the bottom of the sludge can not be discharged, and greatly improve the effect and efficiency of sludge cleaning. The sleeve is sleeved on the outside of the rotating tube, and then the rotating tube is sleeved on the inside of the sewage tube. This structure is designed ingeniously and saves space. The sleeve can drive the strip scraper to rotate, which facilitates the sludge sedimentation into the bottom of the sewage tank for sedimentation. Meanwhile, the floating objects on the upper side of the sewage tank can be discharged into the collecting tank through the drainage port by setting water tubes, so as to realize the collection of floating objects, and then the filter plate is driven by the lifting assembly to salvage the floating objects, which is fast, efficient and safe.
Brief Description of Drawings Figure 1 is a schematic diagram of the top view structure of the invention. Figure 2 is a schematic diagram of the structure of the diversion bucket and the strip scraper ueseriptions of the invention. Figure 3 is a schematic diagram of the top view structure of the tank body of the invention. Figure 4 is an enlarged view of part A of the invention. Figure 5 is an enlarged view of part B of the invention. In the figures: 1. Tank body, 2. Rotating tube, 3. Stirring rod, 4. Arc-shaped scraper, 5. Support frame, 6. Sewage tube, 7. Circular plate, 8. Diversion bucket, 9. Wheel axle, 91. Lifting rod, 92. Movable rod, 93. Electric telescopic rod, 94. Hinge rod, 10. Electric water valve, 11. Sleeve, 12. Connecting rod, 13. Strip scraper, 14. Sliding head, 15. Chute, 16. First driven bevel gear, 17. First driving bevel gear, 18. First motor, 19. Second driven bevel gear, 20. Second driving bevel gear, 21. Second motor, 22. Water tube, 23. Water supply hose, 24. Water pump, 25. Water outlet, 26. Sewage tube, 27. Sewage pump, 28. Collecting tank, 29. Filter plate, 30. Walking bridge.
Detailed Description of the Presently Preferred Embodiments The technical solutions in the embodiments of the invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the invention. Obviously, the described embodiments are only a part of the embodiments of the invention, not all of the embodiments. In view of the embodiments of the invention, all other embodiments obtained by those ordinary technical personnel in the field without paying any creative work shall belong to the protection scope of the invention. In the embodiments, referring to Figures 1-5, the embodiment provides a sludge cleaning device for sewage treatment tank, comprising a tank body 1, the lower part of the tank body 1 is provided with a hemispherical structure, the bottom of the tank body 1 is provided with a support frame 5, the upper side of the support frame 5 is rotatably connected with a rotating tube 2, the lower part of the rotating tube 2 is symmetrically provided with stirring rods 3, the outer end of the stirring rod 3 is fixed with an arc-shaped scraper 4, the middle part of the rotating tube 2 is penetrated with a circular plate 7, the lower side of the circular plate 7 is installed with a number of electric water valves 10, the upper side of the circular plate 7 is fixed with a diversion bucket 8, the upper side of the circular plate 7 is rotatably connected with a sleeve 11, the sleeve 11 is sleeved on the outside of the rotating tube 2 and is rotatably connected with the rotating tube 2, the lower end of the sleeve 11 is symmetrically provided with connecting rods 12, the outer end of the connecting rod 12 is provided with a strip scraper 13, the outer end of the strip scraper 13 ueseriptions is provided with a sliding head 14, the middle part of the tank body 1 is provided with a chute 15, the sliding head 14 slides on the inner side of the chute 15, the upper end of the rotating tube 2 is provided with a first driven bevel gear 16, the left side of the first driven bevel gear 16 is meshed with a first driving bevel gear 17, the left side of the first driving bevel gear 17 is meshed with a first motor 18, the upper end of the sleeve 11 is fixed with a second driven bevel gear 19, the right side of the second driven bevel gear 19 is meshed with a second driving bevel gear 20, the right side of the second driving bevel gear 20 is connected with a second motor 21, the upper side of the tank body 1 is provided with a walking bridge 30, the lower side of the walking bridge 30 is symmetrically provided with water tubes 22, the upper middle part of the water tube 22 is connected with a water supply hose 23, the upper end of the water supply hose 23 is installed with a water pump 24, the side of the water tube 22 away from the walking bridge 30 is provided with a number of water outlets 25, the tank body 1 is symmetrically provided with collecting tanks 28, the middle part of the collecting tank 28 is provided with a filter plate 29, the upper side of the filter plate 29 is provided with a lifting assembly 9, the inner side of the rotating tube 2 is penetrated and rotatably connected with a sewage tube 26, the lower end of the sewage tube 26 is provided at the bottom of the tank body 1, and the upper end of the sewage tube 26 is provided with a sewage pump 27. In order to realize the automatic lifting of the filter plate driven by the lifting assembly 9, so as to realize the automatic collection and salvage of floating objects on the upper side of the sewage tank, which is fast and efficient, and reduces the labor amount of workers, in the embodiment, further, the lifting assembly 9 comprises a lifting rod 91, the upper end of the lifting rod 91 is hinged with a movable rod 92, the lower side of one end of the movable rod 92 away from the lifting rod 91 is fixed with an electric telescopic rod 93, the left side of the electric telescopic rod 93 is provided with a hinge rod 94, the upper end of the hinge rod 94 is hinged with the movable rod 92, and the lifting rod 91 is fixedly connected with the filter plate 29. In order to facilitate the cleaning of the sludge at the bottom of the tank, by closing the electric water valve 10, the sewage at the bottom of the tank body 1 can be separated from the water at the upper part, so that the sludge can be cleaned without draining the water inside the tank body 2, which reduces the labor amount of sludge cleaning, is time-saving and labor-saving, and has a good effect on sludge cleaning, in the embodiment, further, the number of the electric water valves 10 is 3-5. In order to play the role of rotating support for rotating tube 2 through the support frame 5, ueseriptions in the embodiment, further, the support frame 5 comprises a support plate, the lower side of the support plate is symmetrically fixed with support rods, and the lower end of the support rod is fixed at the bottom of the tank body 1. In order to support and fix the diversion bucket 8, in the embodiment, further, the lower side of the diversion bucket 8 is evenly provided with a number of horizontal struts, and the outer end of the horizontal struts is fixedly connected with the side wall of the tank body 1. In order to play the role of protecting the first motor 18, the second motor 21, the first driving bevel gear 17, the first driven bevel gear 16, the second driving bevel gear 20 and the second driven bevel gear 19 through the shell, in the embodiment, further, the upper side of the middle part of the walking bridge 30 is provided with a shell, the first motor 18, the second motor 21, the first driving bevel gear 17, the first driven bevel gear 16, the second driving bevel gear 20 and the second driven bevel gear 19 are provided on the inner side of the shell, and the lower side of the first motor 18 and the second motor 21 are provided with a base. In order to play the role of supporting the rotating tube 2firmly, in the embodiment, further, the lower part of the rotating tube 2 is provided with a firm plate, the rotating tube 2 is penetrated and rotatably connected with the firm plate, the firm plate is symmetrically connected with fixing rods, and the outer end of the fixing rod is fixed on the side wall of the tank body 1. When implementing the invention: During the implementation, firstly, salvage the floating objects on the upper side of the tank body 1, at this time, start the water pump 24, the water pump 24 pumps the water in the tank body 1 into the water supply hose 23, and then enters the water tube 22, and is discharged through the water outlet 25, the water ejected from the water outlet 25 drives the floating objects to flow, and the floating objects will finally enters the collecting tank 28 along the side wall of the tank body 1. Then start the electric telescopic rod 93, the electric telescopic rod 93 will drive the movable rod 92 to rotate, the other end of the movable rod 92 will drive the lifting rod 91 to rise, and the lifting rod 91 will drive the filter plate 29 to rise, so as to realize the salvage of floating objects, this method has the advantages of convenient and fast, time-saving and labor-saving, and safe to use. The sludge at the bottom of the tank needs to be cleaned when the sewage tank has been used for a period of time, then the second motor 21 drives the second driving bevel gear 20 to rotate, the second driving bevel gear drives the second driven bevel gear 19 to rotate, the rotation of the second driven bevel gear
19 will drive the rotation of the sleeve 11, and the rotation of the sleeve 11 will drive the rotation of the connecting rod 12 and the strip scraper 13, so that a small amount of sludge attached to the ueseriptions upper side of the diversion bucket 8 is mixed with water to form a sewage. During the process of sedimentation, the sewage enters the bottom of the tank body through the electric water valve 10, and then closes the electric water valve 10, the electric water valve 10 uses a large electric water valve, and then starts the first motor 18, the first motor 18 drives the rotating tube 2 to rotate through the first driving bevel gear 17 and the first driven bevel gear 16, and the rotating tube 2 drives the stirring rod 3 and the arc-shaped scraper 4 to rotate, so as to puddle the water at the bottom of the tank body 1 to form a slurry. The arc-shaped scraper 4 scrapes off the sludge attached to the wall of the tank body 1, so as to make the sludge cleaning more thorough and make the sludge cleaning effect better. Finally, start the sewage pump 27, and the sewage pump
27 will pump out the slurry, so as to realize the sludge cleaning of the sewage treatment tank. This method has the advantages of convenient and fast, low cleaning cost, time-saving and labor-saving.
Specific examples are used in this article to illustrate the principles and embodiments of the invention. The descriptions of the above embodiments are only used to help understand the method and core idea of the invention; meanwhile, according to the idea of the invention, there will be some changes in the specific embodiments and application scope for those ordinary
technical personnel in the field. In summary, the content of the descriptions should not be understood as a limitation to the invention.
Claims (6)
1. A sludge cleaning device for sewage treatment tank, comprising a tank body, which is characterized in that: The lower part of the tank body is provided with a hemispherical structure, the bottom of the tank body is provided with a support frame, the upper side of the support frame
is rotatably connected with a rotating tube, the lower part of the rotating tube is symmetrically provided with stirring rods, the outer end of the stirring rod isfixed with an arc-shaped scraper,
the middle part of the rotating tube is penetrated with a circular plate, the lower side of the circular plate is installed with a number of electric water valves, the upper side of the circular plate is fixed with a diversion bucket, the upper side of the circular plate is rotatably connected with a sleeve, the sleeve is sleeved on the outside of the rotating tube and is rotatably connected
with the rotating tube, the lower end of the sleeve is symmetrically provided with connecting rods, the outer end of the connecting rod is provided with a strip scraper, the outer end of the strip scraper is provided with a sliding head, the middle part of the tank body is provided with a
chute, the sliding head slides on the inner side of the chute, the upper end of the rotating tube is provided with a first driven bevel gear, the left side of the first driven bevel gear is meshed with a first driving bevel gear, the left side of the first driving bevel gear is meshed with a first motor, the upper end of the sleeve is fixed with a second driven bevel gear, the right side of the second
driven bevel gear is meshed with a second driving bevel gear, the right side of the second driving bevel gear is connected with a second motor, the upper side of the tank body is provided with a walking bridge, the lower side of the walking bridge is symmetrically provided with water tubes, the upper middle part of the water tube is connected with a water supply hose, the upper end of
the water supply hose is installed with a water pump, the side of the water tube away from the walking bridge is provided with a number of water outlets, the tank body is symmetrically provided with collecting tanks, the middle part of the collecting tank is provided with a filter
plate, the upper side of the filter plate is provided with a lifting assembly, the inner side of the rotating tube is penetrated and rotatably connected with a sewage tube, the lower end of the sewage tube is provided at the bottom of the tank body, and the upper end of the sewage tube is provided with a sewage pump.
2. The sludge cleaning device for sewage treatment tank as described in Claim 1, which is characterized in that: The lifting assembly comprises a lifting rod, the upper end of the lifting rod is hinged with a connecting rod, the lower side of one end of the connecting rod away from the
lifting rod is fixed with an electric telescopic rod, the left side of the electric telescopic rod is provided with a hinge rod, the upper end of the hinge rod is hinged with the connecting rod, and t-1alms the lifting rod is fixedly connected with the filter plate.
3. The sludge cleaning device for sewage treatment tank as described in Claim 1, which is characterized in that: The number of the electric water valves is 3-5.
4. The sludge cleaning device for sewage treatment tank as described in Claim 1, which is characterized in that: The support frame comprises a support plate, the lower side of the support plate is symmetrically fixed with support rods, and the lower end of the support rod is fixed at the bottom of the tank body.
5. The sludge cleaning device for sewage treatment tank as described in Claim 1, which is characterized in that: The lower side of the diversion bucket is evenly provided with a number of
horizontal struts, and the outer end of the horizontal struts is fixedly connected with the side wall of the tank body.
6. The sludge cleaning device for sewage treatment tank as described in Claim 1, which is
characterized in that: The upper side of the middle part of the walking bridge is provided with a shell, the first motor, the second motor, the first driving bevel gear, the first driven bevel gear, the second driving bevel gear and the second driven bevel gear are provided on the inner side of the shell, and the lower side of the first motor and the second motor are provided with a base.
7. The sludge cleaning device for sewage treatment tank as described in Claim 1, which is characterized in that: The lower part of the rotating tube is provided with a firm plate, the rotating tube is penetrated and rotatably connected with the firm plate, the firm plate is symmetrically connected with fixing rods, and the outer end of the fixing rod is fixed on the side
wall of the tank body.
Drawings of Descriptions
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2021103756A AU2021103756A4 (en) | 2021-06-30 | 2021-06-30 | A Sludge Cleaning Device For Sewage Treatment Tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2021103756A AU2021103756A4 (en) | 2021-06-30 | 2021-06-30 | A Sludge Cleaning Device For Sewage Treatment Tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2021103756A4 true AU2021103756A4 (en) | 2021-08-19 |
Family
ID=77274324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2021103756A Ceased AU2021103756A4 (en) | 2021-06-30 | 2021-06-30 | A Sludge Cleaning Device For Sewage Treatment Tank |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU2021103756A4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113800623A (en) * | 2021-10-15 | 2021-12-17 | 嘉兴港区工业污水处理有限公司 | Aerobic treatment tank with floating mud cleaning function |
-
2021
- 2021-06-30 AU AU2021103756A patent/AU2021103756A4/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113800623A (en) * | 2021-10-15 | 2021-12-17 | 嘉兴港区工业污水处理有限公司 | Aerobic treatment tank with floating mud cleaning function |
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| FGI | Letters patent sealed or granted (innovation patent) | ||
| DA2 | Applications for amendment section 104 |
Free format text: THE NATURE OF THE AMENDMENT IS: TO ADD THE NAME OF CO-INVENTOR FENG, LI |
|
| DA3 | Amendments made section 104 |
Free format text: THE NATURE OF THE AMENDMENT IS: AMEND THE NAME OF THE INVENTOR TO READ LIU, JIAJUN; LI, XUHAO; ZUO, MINGHAO; CHEN, YUNING; LI, CHANGHUI; WANG, ZIZENG AND FENG, LI |
|
| MK22 | Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry |