CN113666510A - Municipal sewage biological treatment equipment - Google Patents
Municipal sewage biological treatment equipment Download PDFInfo
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- CN113666510A CN113666510A CN202111117060.8A CN202111117060A CN113666510A CN 113666510 A CN113666510 A CN 113666510A CN 202111117060 A CN202111117060 A CN 202111117060A CN 113666510 A CN113666510 A CN 113666510A
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- pipe
- water pipe
- bevel gear
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- 238000011282 treatment Methods 0.000 title claims abstract description 67
- 239000010865 sewage Substances 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 238000005086 pumping Methods 0.000 claims abstract description 17
- 239000003651 drinking water Substances 0.000 claims description 11
- 235000020188 drinking water Nutrition 0.000 claims description 11
- 241000883990 Flabellum Species 0.000 claims description 3
- 244000005700 microbiome Species 0.000 abstract description 13
- 238000000746 purification Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 244000309464 bull Species 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a biological treatment device for urban sewage, belonging to the field of sewage treatment, and comprising a treatment pool, wherein the inner wall of the front side of the treatment pool is fixedly connected with a water pumping pipe, the front end of the water pumping pipe extends to the outside of the treatment pool, the rear end of the water pumping pipe is provided with a filter screen, the front side of the water pumping pipe is fixedly connected with a water pump, the water pumping end of the water pump is communicated with the front end of the water pumping pipe, the rear side of the treatment pool is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a threaded rod, the front end of the threaded rod is rotatably connected with the inner wall of the front side of the treatment pool, the water outlet end of the water pump is fixedly connected with a three-end water distribution pipe, the two ends above the three-end water distribution pipe are respectively and fixedly connected with a straight water pipe and a curved water pipe, the curved water pipe is waved and has a length larger than that of the straight water pipe, the microorganism is mixed with the sewage rapidly, and then the purification efficiency of the urban sewage in the biological treatment stage can be improved.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a biological treatment device for urban sewage.
Background
Municipal sewage is a generic term for sewage that is discharged into town sewage systems. The load-carrying combined drainage system also comprises production wastewater and trapped rainwater. Municipal sewage mainly comprises domestic sewage and industrial sewage, is collected by a municipal drainage pipe network and is conveyed to a sewage treatment plant for treatment, the municipal sewage generally contains pollutants such as suspended matters, pathogens, organic matters, inorganic matters, heavy metals and the like, and the modern sewage treatment technology can be divided into a primary treatment process, a secondary treatment process and a tertiary treatment process according to the treatment degree. The first stage treatment of sewage is carried out by removing insoluble suspended solids and floating substances from sewage by physical methods such as screening, sedimentation, etc. The secondary treatment of sewage is mainly a biological treatment method, namely a process of substance conversion through the metabolism of microorganisms, and various complex organic substances in the sewage are oxidized and degraded into simple substances. The third-stage sewage treatment is to remove insoluble organic matters, phosphorus, nitrogen and other nutritive substances in sewage by physical and chemical methods such as coagulation, filtration, ion exchange, reverse osmosis and the like on the basis of the first-stage treatment and the second-stage treatment. The composition of pollutants in sewage is very complex, and the combination of the methods is often needed to meet the treatment requirement.
When the existing sewage treatment equipment is used for secondary biological treatment, in order to improve the treatment efficiency, the stirring device is usually used for stirring in the treatment tank, so that the microorganisms can rapidly decompose pollutants in the sewage, but the general stirring device is fixed at one position, the treatment time is still long due to the large volume of the sewage tank, and the efficiency cannot reach an ideal state.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a biological treatment device for urban sewage, which can realize that microorganisms are rapidly mixed with sewage during the treatment of the urban sewage, and further can improve the purification efficiency of the urban sewage in a biological treatment stage.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a municipal sewage biological treatment equipment, is including handling the pond, handle pond front side inner wall fixedly connected with drinking-water pipe, the front end of drinking-water pipe extends to and handles the pond outside, the rear end of drinking-water pipe is provided with the filter screen, drinking-water pipe front side fixedly connected with water pump, water pump pumping end and drinking-water pipe front end intercommunication, handle pond rear side fixedly connected with servo motor, servo motor's output fixedly connected with threaded rod, the threaded rod front end is connected with the rotation of handling pond front side inner wall.
Furthermore, the water outlet end of the water pump is fixedly connected with a three-end shunt pipe, two ends above the three-end shunt pipe are respectively and fixedly connected with a straight water pipe and a bent water pipe, the bent water pipe is wavy, and the length of the bent water pipe is greater than that of the straight water pipe.
Furthermore, the equal fixedly connected with inlet tube in rear end of straight water pipe and bent water pipe, the bottom of inlet tube is close to the bottom side inner wall of handling the pond, handle two fixed plates of position fixedly connected with of pond top rear side, two the front end of fixed plate respectively with inlet tube outer wall fixed connection.
Furthermore, the outer wall of the threaded rod is in threaded connection with a movable solenoid, the front end of the movable solenoid is fixedly connected with a U-shaped seat, and the bottom side of the U-shaped seat is fixedly connected with two symmetrical support columns.
Furthermore, a rotary groove is formed in the bottom side of the supporting column, a rotary shaft is fixedly connected between the inner walls of two opposite sides of the rotary groove, a roller is rotatably connected to the outer wall of the rotary shaft, and a part of the roller extends to the outside of the rotary groove.
Furthermore, the front side of the U-shaped seat is fixedly connected with a connecting pipe, the front side of the connecting pipe is rotatably connected with a first bevel gear, and the connecting pipe and the first bevel gear are movably sleeved outside the threaded rod.
Furthermore, two opposite sides of the U-shaped seat are fixedly connected with rotating sleeves, and two ends, far away from each other, of the rotating sleeves are fixedly connected with second bevel gears.
Furthermore, the inner wall of the rotating sleeve is rotatably connected with rotating rods, two ends of each rotating rod extend to the outside of the rotating sleeve, one ends, close to each other, of the rotating rods are fixedly connected with third bevel gears, the third bevel gears are meshed with the first bevel gears, and one ends, far away from each other, of the rotating rods are fixed in square blocks.
Furthermore, one side of the fixed square block is rotatably connected with a rotating column, one end, far away from the fixed square block, of the rotating column is fixedly connected with a fourth bevel gear, the fourth bevel gear is meshed with a second bevel gear, one side, far away from the rotating column, of the fourth bevel gear is fixedly connected with a rotating disc, and one side, far away from the fourth bevel gear, of the rotating disc is fixedly connected with inclined fan blades which are evenly distributed.
Furthermore, the outer wall of the threaded rod is provided with a sliding groove, the inner wall of the first bevel gear is fixedly connected with an anti-rotation column, and the sliding groove is connected with the anti-rotation column in a sliding mode.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) when this scheme uses, start the water pump, the microorganism that will handle in will treating the pond of water pump and three-terminal distributive pipe and sewage are taken out straight water pipe and bent water pipe through drinking-water pipe and three terminal distributive pipe, because the length of straight water pipe and bent water pipe is inequality for originally the water that enters into simultaneously in the water pump does not simultaneously reentrant the treatment pond, can constantly be with the more even mixture of microorganism and sewage in the treatment pond like this, improve the treatment effeciency.
(2) This scheme starts servo motor, servo motor drives the threaded rod and rotates, in the threaded rod pivoted, because the effect of two support columns and gyro wheel, thereby make and remove the unable rotation of solenoid and can remove, it then drives first bevel gear and removes to remove the solenoid, simultaneously under the effect of spout and anti-rotation post, the threaded rod rotation also can be followed to first bevel gear when removing, thereby make first bevel gear drive third bevel gear and rotate, third bevel gear rotates and then drives the bull stick and rotate, the bull stick drives the carousel round the bull stick rotation through fixed square and column spinner, and then with microorganism and the abundant stirring of sewage, and the treatment effeciency is improved.
(3) This scheme rotates when rotating round the bull stick at the carousel, and fourth bevel gear also can take the carousel to rotate round the column spinner under second bevel gear's effect, and then drives the rotation of slope flabellum, further stirs microorganism and sewage for mix more abundant, further improve treatment effeciency.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the FIG. 1 embodiment of the present invention;
FIG. 3 is a schematic cross-sectional partial structure of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 3 at B according to the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 3 at C according to the present invention;
FIG. 7 is a side view of the FIG. 3 embodiment of the present invention;
fig. 8 is an enlarged view of the structure of fig. 7 at D according to the present invention.
The reference numbers in the figures illustrate:
1. a treatment tank; 2. a water pumping pipe; 3. filtering with a screen; 4. a water pump; 5. three-end water distribution pipes; 6. a straight water pipe; 7. a water bending pipe; 8. a fixing plate; 9. a servo motor; 10. a threaded rod; 11. moving the solenoid; 12. a U-shaped seat; 13. a support pillar; 14. rotating the groove; 15. a roller; 16. a connecting pipe; 17. a first bevel gear; 18. rotating the sleeve; 19. a second bevel gear; 20. a rotating rod; 21. a third bevel gear; 22. fixing the square block; 23. a spin column; 24. a turntable; 25. a fourth bevel gear; 26. inclining the fan blades; 27. a chute; 28. a rotation prevention post; 29. a water inlet pipe; 30. a rotating shaft.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Example 1:
referring to fig. 1-8, a municipal sewage biological treatment device comprises a treatment tank 1, a water pumping pipe 2 is fixedly connected to the inner wall of the front side of the treatment tank 1, the front end of the water pumping pipe 2 extends to the outside of the treatment tank 1, a filter screen 3 is arranged at the rear end of the water pumping pipe 2, the filter screen 3 can prevent larger garbage in sewage from blocking the water pumping pipe 2, a water pump 4 is fixedly connected to the front side of the water pumping pipe 2, the water pumping end of the water pump 4 is communicated with the front end of the water pumping pipe 2, a servo motor 9 is fixedly connected to the rear side of the treatment tank 1, the servo motor 9 can rotate forwards and backwards, a threaded rod 10 is fixedly connected to the output end of the servo motor 9, and the front end of the threaded rod 10 is rotatably connected with the inner wall of the front side of the treatment tank 1.
Referring to fig. 1, the water outlet end of the water pump 4 is fixedly connected with a three-end water distribution pipe 5, two ends above the three-end water distribution pipe 5 are respectively fixedly connected with a straight water pipe 6 and a bent water pipe 7, the bent water pipe 7 is wavy, and the length of the bent water pipe 7 is larger than that of the straight water pipe 6, so that water pumped out through the water pump 4 can be guaranteed to be distributed into the straight water pipe 6 and the bent water pipe 7 and then not enter the treatment tank 1 at the same time, and further mixing is more sufficient.
Referring to fig. 1, the equal fixedly connected with inlet tube 29 in rear end of straight water pipe 6 and bent water pipe 7, the bottom of inlet tube 29 is close to the bottom side inner wall of handling pond 1, two fixed plates 8 of the fixed position of 1 top rear side in handling pond, the front end of two fixed plates 8 respectively with inlet tube 29 outer wall fixed connection, the effect of fixed plate 8 makes straight water pipe 6 and bent water pipe 7 more firm.
Referring to fig. 3, a connecting pipe 16 is fixedly connected to the front side of the U-shaped seat 12, a first bevel gear 17 is rotatably connected to the front side of the connecting pipe 16, and the connecting pipe 16 and the first bevel gear 17 are movably sleeved outside the threaded rod 10, so that the first bevel gear 17 can rotate in the moving process when the moving spiral pipe 11 does not rotate.
Referring to fig. 3 and 4, the outer wall of the threaded rod 10 is in threaded connection with a movable solenoid 11, the front end of the movable solenoid 11 is fixedly connected with a U-shaped seat 12, two symmetrical supporting columns 13 are fixedly connected to the bottom side of the U-shaped seat 12, a rotating groove 14 is formed in the bottom side of each supporting column 13, a rotating shaft 30 is fixedly connected between the inner walls of two opposite sides of the rotating groove 14, a roller 15 is rotatably connected to the outer wall of the rotating shaft 30, a part of the roller 15 extends to the outside of the rotating groove 14, and due to the action of the two supporting columns 13 and the roller 15, the movable solenoid 11 cannot rotate and can move, and the movable solenoid 11 can drive a turntable 24 and an inclined fan blade 26 to move inside the treatment tank 1, so that the treatment efficiency is improved.
Referring to fig. 6, the two sides of the U-shaped seat 12 which are away from each other are fixedly connected with rotating sleeves 18, two ends of the rotating sleeves 18 which are away from each other are fixedly connected with second bevel gears 19, the second bevel gears 19 are matched with the fourth bevel gears 25, so that the rotating disc 24 rotates around the rotating column 23, the inclined fan blades 26 are driven to rotate, the microorganisms and the sewage are further stirred, the mixing is more sufficient, and the treatment efficiency is further improved.
Referring to fig. 6 and 7, a rotating rod 20 is rotatably connected to the inner wall of the rotating sleeve 18, two ends of the rotating rod 20 extend to the outside of the rotating sleeve 18, one end of each of the two rotating rods 20 close to each other is fixedly connected with a third bevel gear 21, the third bevel gear 21 is meshed with a first bevel gear 17, one end of each of the rotating rods 20 far away from each other is fixedly connected with a square 22, one side of each of the fixed squares 22 is rotatably connected with a rotating column 23, one end of each of the rotating columns 23 far away from the fixed square 22 is fixedly connected with a fourth bevel gear 25, the fourth bevel gear 25 is meshed with a second bevel gear 19, one side of each of the fourth bevel gear 25 far away from the rotating column 23 is fixedly connected with a rotating disc 24, one side of each of the rotating disc 24 far away from the fourth bevel gear 25 is fixedly connected with uniformly distributed inclined fan blades 26, the servo motor 9 drives the threaded rod 10 to rotate, while the threaded rod 10 rotates, due to the action of the two supporting columns 13 and the rollers 15, the moving spiral tube 11 cannot rotate and can move, the movable screw tube 11 moves to drive the first bevel gear 17 to move, and meanwhile, under the action of the sliding groove 27 and the anti-rotating column 28, the first bevel gear 17 also rotates along with the threaded rod 10 when moving, so that the first bevel gear 17 drives the third bevel gear 21 to rotate, the third bevel gear 21 rotates to drive the rotating rod 20 to rotate, the rotating rod 20 drives the rotating disk 24 to rotate around the rotating rod 20 through the fixed square block 22 and the rotating column 23, and then microorganisms and sewage are sufficiently stirred, and the treatment efficiency is improved.
Referring to fig. 8, the outer wall of the threaded rod 10 is provided with a sliding groove 27, the inner wall of the first bevel gear 17 is fixedly connected with a rotation-preventing column 28, and the sliding groove 27 is in sliding connection with the rotation-preventing column 28, so that the first bevel gear 17 can rotate in the moving process under the condition that the moving spiral pipe 11 does not rotate.
When in use: starting a water pump 4 and a servo motor 9, wherein the water pump 4 pumps microorganisms and sewage to be treated in a treatment pool 1 to a straight water pipe 6 and a curved water pipe 7 through a water pumping pipe 2 and a three-end water dividing pipe 5, because the lengths of the straight water pipe 6 and the curved water pipe 7 are different, water which originally enters the water pump 4 at the same time can not enter the treatment pool 1 again at the same time, so that the microorganisms and the sewage in the treatment pool 1 can be mixed more uniformly, the treatment efficiency is improved, the servo motor 9 drives a threaded rod 10 to rotate, the threaded rod 10 rotates, meanwhile, due to the action of two supporting columns 13 and idler wheels 15, a movable spiral pipe 11 can not rotate and can move, the movable spiral pipe 11 moves to drive a first bevel gear 17 to move, and simultaneously under the action of a chute 27 and an anti-rotation column 28, the first bevel gear 17 can also rotate along with the threaded rod 10 when moving, so that the first bevel gear 17 drives a third bevel gear 21 to rotate, third bevel gear 21 rotates and then drives bull stick 20 and rotate, and bull stick 20 drives carousel 24 through fixed square 22 and column spinner 23 and rotates round bull stick 20, and when carousel 24 rotated round bull stick 20 and rotated, fourth bevel gear 25 also can drive carousel 24 and rotate round column spinner 23 under the effect of second bevel gear 19, and then drives slope flabellum 26 and rotate, further stirs microorganism and sewage for mix more fully, further improve treatment effeciency.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a municipal sewage biological treatment equipment, includes treatment tank (1), its characterized in that: handle pond (1) front side inner wall fixedly connected with drinking-water pipe (2), the front end of drinking-water pipe (2) extends to handle pond (1) outside, the rear end of drinking-water pipe (2) is provided with filter screen (3), drinking-water pipe (2) front side fixedly connected with water pump (4), water pump (4) water pumping end and drinking-water pipe (2) front end intercommunication, handle pond (1) rear side fixedly connected with servo motor (9), the output end fixedly connected with threaded rod (10) of servo motor (9), threaded rod (10) front end is connected with the rotation of handling pond (1) front side inner wall.
2. The municipal sewage biological treatment apparatus according to claim 1, wherein: the water pump is characterized in that a three-end water distribution pipe (5) is fixedly connected to the water outlet end of the water pump (4), a straight water pipe (6) and a bent water pipe (7) are fixedly connected to the two ends above the three-end water distribution pipe (5) respectively, the bent water pipe (7) is wavy, and the length of the bent water pipe (7) is larger than that of the straight water pipe (6).
3. The municipal sewage biological treatment apparatus according to claim 2, wherein: the equal fixedly connected with inlet tube (29) in rear end of straight water pipe (6) and bent water pipe (7), the bottom of inlet tube (29) is close to the bottom side inner wall of handling pond (1), handle two fixed plates (8) of position fixedly connected with of pond (1) top rear side, two the front end of fixed plate (8) respectively with inlet tube (29) outer wall fixed connection.
4. The municipal sewage biological treatment apparatus according to claim 1, wherein: the outer wall of the threaded rod (10) is in threaded connection with a movable solenoid (11), the front end of the movable solenoid (11) is fixedly connected with a U-shaped seat (12), and the bottom side of the U-shaped seat (12) is fixedly connected with two symmetrical supporting columns (13).
5. The municipal sewage biological treatment apparatus according to claim 4, wherein: the bottom side of support column (13) has seted up rotary tank (14), fixedly connected with pivot (30) between the relative both sides inner wall of rotary tank (14), pivot (30) outer wall rotates and is connected with gyro wheel (15), gyro wheel (15) partly extend to the rotary tank (14) outside.
6. The municipal sewage biological treatment apparatus according to claim 4, wherein: the connecting pipe (16) is fixedly connected to the front side of the U-shaped seat (12), the first bevel gear (17) is rotatably connected to the front side of the connecting pipe (16), and the connecting pipe (16) and the first bevel gear (17) are movably sleeved outside the threaded rod (10).
7. The municipal sewage biological treatment apparatus according to claim 6, wherein: the two sides of the U-shaped seat (12) which deviate from each other are fixedly connected with rotating sleeves (18), and two ends, far away from each other, of the rotating sleeves (18) are fixedly connected with second bevel gears (19).
8. The municipal sewage biological treatment apparatus according to claim 7, wherein: the inner wall of the rotating sleeve (18) is rotatably connected with rotating rods (20), two ends of each rotating rod (20) extend to the outside of the rotating sleeve (18), one ends, close to each other, of the rotating rods (20) are fixedly connected with third bevel gears (21), the third bevel gears (21) are meshed with the first bevel gears (17), and one ends, far away from each other, of the rotating rods (20) are fixed with square blocks (22).
9. The municipal sewage biological treatment apparatus according to claim 8, wherein: one side of fixed square (22) is rotated and is connected with column spinner (23), the one end fixedly connected with fourth bevel gear (25) of fixed square (22) is kept away from in column spinner (23), fourth bevel gear (25) and second bevel gear (19) meshing, one side fixedly connected with carousel (24) of column spinner (23) is kept away from in fourth bevel gear (25), one side fixedly connected with slope flabellum (26) that fourth bevel gear (25) were kept away from in carousel (24) distributes evenly.
10. The municipal sewage biological treatment apparatus according to claim 6, wherein: the outer wall of the threaded rod (10) is provided with a sliding groove (27), the inner wall of the first bevel gear (17) is fixedly connected with an anti-rotation column (28), and the sliding groove (27) is in sliding connection with the anti-rotation column (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117060.8A CN113666510A (en) | 2021-09-23 | 2021-09-23 | Municipal sewage biological treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117060.8A CN113666510A (en) | 2021-09-23 | 2021-09-23 | Municipal sewage biological treatment equipment |
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| Publication Number | Publication Date |
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| CN113666510A true CN113666510A (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111117060.8A Pending CN113666510A (en) | 2021-09-23 | 2021-09-23 | Municipal sewage biological treatment equipment |
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| CN1120509A (en) * | 1994-10-12 | 1996-04-17 | 日本钢管株式会社 | Method for preventing accumulation of sludge in a coal water mixture storage tank |
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| CN209210494U (en) * | 2018-10-30 | 2019-08-06 | 南京林业大学 | A landscape pool with purification function |
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| CN211329168U (en) * | 2019-08-31 | 2020-08-25 | 沈梦然 | Agitating unit is used in printing and dyeing processing |
| CN212334837U (en) * | 2020-03-26 | 2021-01-12 | 王海玲 | Urban sewage treatment device |
| CN212819419U (en) * | 2020-07-22 | 2021-03-30 | 泗洪钰磁电子科技有限公司 | Powder stirring and mixing device |
| CN212974874U (en) * | 2020-07-21 | 2021-04-16 | 新乡医学院三全学院 | Chemical medicine agitating unit |
| CN213679870U (en) * | 2020-09-11 | 2021-07-13 | 四川远滤科技有限公司 | Metallurgical sewage treatment equipment |
-
2021
- 2021-09-23 CN CN202111117060.8A patent/CN113666510A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1120509A (en) * | 1994-10-12 | 1996-04-17 | 日本钢管株式会社 | Method for preventing accumulation of sludge in a coal water mixture storage tank |
| CN1433337A (en) * | 2000-01-31 | 2003-07-30 | 利乐拉瓦尔集团及财务有限公司 | Mixing method and apparatus |
| CN101559999A (en) * | 2008-04-18 | 2009-10-21 | 山东中科润环保科技有限公司 | Continuous sewage treatment technology and equipment thereof |
| CN108706817A (en) * | 2018-05-10 | 2018-10-26 | 上海凝兰新材料科技有限公司 | A sewage treatment device for heavy metal pollution |
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| CN111362442A (en) * | 2020-04-10 | 2020-07-03 | 赵新景 | Multistage purification sewage treatment device |
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| CN213679870U (en) * | 2020-09-11 | 2021-07-13 | 四川远滤科技有限公司 | Metallurgical sewage treatment equipment |
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Application publication date: 20211119 |