CN210974086U - Efficient biological autotrophic denitrification nitrogen removal system - Google Patents
Efficient biological autotrophic denitrification nitrogen removal system Download PDFInfo
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- CN210974086U CN210974086U CN201922055726.6U CN201922055726U CN210974086U CN 210974086 U CN210974086 U CN 210974086U CN 201922055726 U CN201922055726 U CN 201922055726U CN 210974086 U CN210974086 U CN 210974086U
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Abstract
The application provides an efficient biological autotrophic denitrification nitrogen removal system relates to sewage nitrogen removal treatment technical field, includes: a water collecting tank, two aeration tanks and two autotrophic denitrification tanks, wherein: the autotrophic denitrification unit comprises a shell fixed in the autotrophic denitrification tank through supporting legs, a plurality of bearing plates located inside the shell, and fillers located on the bearing plates, a thread sleeve is integrally formed in the middle of the bearing plates, the thread sleeve is sleeved on a screw rod, and the screw rod is rotatably installed inside the shell through a bearing. Because under the effect of screw thread, the silk cover can go up and down along with the rotation of screw rod, and the silk cover goes up and down the in-process and drives the loading board and goes up and down, and the lift of loading board can be so that the filler on the loading board can effectively become flexible, avoids the filler reunion, causes filler and the insufficient problem of sewage contact, and then effectively improves the denitrification effect of sewage.
Description
Technical Field
The utility model relates to a sewage denitrification treatment technical field, in particular to an efficient biological autotrophic denitrification system.
Background
In recent years, with the increase of importance of the national ecological environment, the treatment quality of sewage by sewage treatment plants is continuously improved, and one important index is Total Nitrogen (TN). The commonly adopted engineering measure for removing the total nitrogen is to adopt a denitrification tank to carry out denitrification treatment.
In a denitrification tank in a traditional autotrophic denitrification and denitrification system, quartz sand, ceramsite and the like are used as fillers to form a filler layer on a bearing plate, but the fillers are easy to agglomerate, so that the contact between sewage and the fillers is insufficient, and the denitrification and denitrification treatment effect of the sewage is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome current not enough, this application embodiment provides an efficient biological autotrophic denitrification nitrogen removal system, and this kind of efficient biological autotrophic denitrification nitrogen removal system utilizes the lift of loading board to become flexible to the filler, avoids the filler reunion, improves the denitrification nitrogen removal effect of sewage.
The technical scheme adopted by the embodiment of the application for solving the technical problem is as follows:
a high efficiency bioautotrophic denitrification system comprising:
the water collecting tank is connected with a sewage source through a pipeline;
the aeration tanks comprise a first aeration tank and a second aeration tank, and the input end of the first aeration tank is connected with the output end of the water collecting tank through a pipeline;
the autotrophic denitrification tank comprises a first autotrophic denitrification tank and a second autotrophic denitrification tank, the first autotrophic denitrification tank and the second autotrophic denitrification tank are respectively positioned at the output ends of the first aeration tank and the second aeration tank, wherein:
the utility model discloses a novel autotrophic denitrification device, including a screw rod, a first autotrophic denitrification pond and a second autotrophic denitrification pond, the autotrophic denitrification unit is provided with the autotrophic denitrification unit inside, the autotrophic denitrification unit includes the casing of fixing in the autotrophic denitrification pond through the stabilizer blade, be located the inside polylith loading board of casing, be located the filler on the loading board, loading board middle part integrated into one piece has the silk cover, silk cover thread suit is on the screw rod, the screw rod pass through the bearing and rotate and install inside the casing.
Preferably, the input end of the first autotrophic denitrification tank is connected with the output end of the first aeration tank through a pipeline, the output end of the first autotrophic denitrification tank is connected with the second aeration tank through a pipeline, and the output end of the second aeration tank is connected with the input end of the second autotrophic denitrification tank through a pipeline.
Preferably, the top of screw rod has the motor through the coupling joint, the motor passes through the bolt fastening in the backup pad, the both ends of backup pad are fixed at the top in autotrophic denitrification pond through welding or bolt fastening's mode.
Preferably, the periphery of the bearing plate is abutted against the inner wall of the shell, and a plurality of meshes are uniformly arranged on the bearing plate.
Preferably, a first side plate is sealed on the periphery between the two bearing plates in a screw fixing or welding mode, and a second side plate is fixed on the periphery of the top of the bearing plate on the top in a screw fixing or welding mode.
Preferably, the top of the second side plate is integrally formed with an inclined plate, and a sharp corner is formed between the inclined plate and the top of the second side plate.
Preferably, a spring is connected between the bottom of the inner wall of the shell and the bearing plate positioned at the bottom.
Preferably, the bottom of the shell is provided with a water inlet, the top of the shell is provided with a water outlet, and the water outlet is fixedly provided with a screen plate through a bolt.
Preferably, the outlet pipe of autotrophic denitrification pond is located the top of casing, the inside integrated into one piece of autotrophic denitrification pond has the baffle, leave the clearance that supplies sewage to pass through between the bottom of baffle and the autotrophic denitrification pond bottom inner wall, form sewage passageway between the inner wall of baffle and autotrophic denitrification pond, the outer wall of casing is hugged closely to baffle one side, the delivery outlet of the inlet tube of autotrophic denitrification pond is located sewage passageway.
The embodiment of the application has the advantages that:
1. the autotrophic denitrification and denitrification unit is divided into a plurality of independent small units due to the arrangement of the plurality of bearing plates, and meanwhile, due to the arrangement of the screw rods and the screw sleeves, the screw sleeves can lift along with the rotation of the screw rods under the action of the screw threads, the bearing plates are driven to lift in the lifting process of the screw sleeves, the fillers on the bearing plates can be effectively loosened due to the lifting of the bearing plates, the problem that the fillers are not fully contacted with sewage due to agglomeration of the fillers is avoided, and the denitrification and denitrification effect of the sewage is effectively improved;
2. through the arrangement of the first side plate and the second side plate, the filler is accommodated in a space enclosed between the side plates and the bearing plate, so that the filler is prevented from being clamped in a gap between the bearing plate and the inner wall of the shell in the lifting process of the bearing plate, and the lifting of the bearing plate is prevented from being hindered; meanwhile, due to the arrangement of the inclined plate, the filler moving between the second side plate and the inner wall of the shell can fall back to the bearing plate along the inclined plate, so that the filler is prevented from blocking the lifting of the bearing plate;
3. through the arrangement of the spring, the bearing plate can be buffered in the lifting process;
4. through the setting of sewage passageway for sewage enters into autotrophic denitrification denitrogenation unit from the bottom of autotrophic denitrification denitrogenation unit and carries out the denitrification denitrogenation and handle, is favorable to prolonging the contact time between sewage and the filler, improves the denitrification denitrogenation effect.
Drawings
FIG. 1 is a schematic view of an efficient bioautotrophic denitrification system according to the present invention;
FIG. 2 is a schematic cross-sectional view of an autotrophic denitrification tank of the efficient bioautotrophic denitrification system according to the present invention;
FIG. 3 is a schematic perspective view of an autotrophic denitrification tank of the efficient bioautotrophic denitrification system according to the present invention;
FIG. 4 is a schematic view of the installation of the first side plate and the second side plate of the high efficiency bioautotrophic denitrification system of the present invention;
FIG. 5 is a schematic view of a loading plate of the efficient bioautotrophic denitrification system of the present invention.
In the figure: 1. a water collecting tank; 2. a first aeration tank; 3. an autotrophic denitrification tank I; 4. a second aeration tank; 5. a second autotrophic denitrification tank; 6. an autotrophic denitrification unit; 7. a water inlet pipe; 8. a water outlet pipe; 9. a sewage channel; 10. a housing; 11. a water inlet; 12. a partition plate; 13. a spring; 14. a carrier plate; 15. sleeving the silk; 16. a screw; 17. a first side plate; 18. a filler; 19. a second side plate; 20. a sloping plate; 21. a water outlet; 22. a screen plate; 23. a motor; 24. and a support plate.
Detailed Description
The embodiment of this application is through providing an efficient biological autotrophic denitrification nitrogen removal system, and the filler of denitrification pond is easy to be reunited among the solution prior art for contact is not enough between sewage and the filler, influences the problem of the denitrification denitrogenation treatment effect of sewage, adopts loading board lifting technology to realize not hard up to the filler in the autotrophic denitrification pond, avoids the filler reunion, improves the denitrification effect of sewage.
In order to solve the above problems, the technical solution in the embodiment of the present application has the following general idea:
referring to fig. 1 to 3, a high efficiency bioautotrophic denitrification system includes:
the water collecting tank 1 is connected with a sewage source through a pipeline;
the aeration tanks are solid carrier-aeration tanks, and comprise a first aeration tank 2 and a second aeration tank 4, wherein the input end of the first aeration tank 2 is connected with the output end of the water collecting tank 1 through a pipeline;
the autotrophic denitrification tank comprises a first autotrophic denitrification tank 3 and a second autotrophic denitrification tank 5, the first autotrophic denitrification tank 3 and the second autotrophic denitrification tank 5 are respectively positioned at the output ends of a first aeration tank 2 and a second aeration tank 4, wherein:
Referring to fig. 1, the input end of the first autotrophic denitrification tank 3 is connected with the output end of the first aeration tank 2 through a pipeline, the output end of the first autotrophic denitrification tank 3 is connected with the second aeration tank 4 through a pipeline, and the output end of the second aeration tank 4 is connected with the input end of the second autotrophic denitrification tank 5 through a pipeline.
The two autotrophic denitrification tanks carry out double denitrification treatment, can strengthen denitrification and can efficiently remove organic matters, ammonia nitrogen and total nitrogen; and the operation cost is low, the tank volume required by autotrophic denitrification is small, and a carbon source does not need to be added.
Referring to fig. 3, the top of the screw 16 is connected with a motor 23 through a coupling, the motor 23 is fixed on a support plate 24 through bolts, and two ends of the support plate 24 are fixed on the top of the autotrophic denitrification tank through welding or bolt fixing.
Referring to fig. 2 and 5, the periphery of the bearing plate 14 is abutted against the inner wall of the housing 10, and a plurality of meshes are uniformly arranged on the bearing plate 14.
By adopting the technical scheme, the autotrophic denitrification unit 6 is divided into a plurality of independent small units due to the arrangement of the plurality of bearing plates 14, meanwhile, due to the arrangement of the screw rods 16 and the thread sleeves 15, the thread sleeves 15 can lift along with the rotation of the screw rods 16 under the action of the threads, the bearing plates 14 are driven to lift in the lifting process of the thread sleeves 15, the fillers 18 on the bearing plates 14 can be effectively loosened due to the lifting of the bearing plates 14, the problem that the fillers 18 are insufficiently contacted with sewage due to the agglomeration of the fillers 18 is avoided, and the denitrification effect of the sewage is effectively improved;
referring to fig. 2-4, a first side plate 17 is sealed on the periphery between the two bearing plates 14 by means of screw fixation or welding, and a second side plate 19 is fixed on the periphery of the top of the bearing plate 14 on the top by means of screw fixation or welding.
Referring to fig. 2-4, the top of the second side plate 19 is integrally formed with a sloping plate 20, and a sharp corner is formed between the sloping plate 20 and the top of the second side plate 19.
By adopting the technical scheme, the first side plate 17 and the second side plate 19 are arranged, the filler 18 is contained in a space enclosed between the side plates and the bearing plate 14, and the filler 18 is prevented from being clamped in a gap between the bearing plate 14 and the inner wall of the shell 10 in the lifting process of the bearing plate 14, so that the lifting of the bearing plate 14 is prevented from being hindered; meanwhile, due to the inclined plate 20, the filler 18 moving between the second side plate 19 and the inner wall of the shell 10 falls back onto the bearing plate 14 along the inclined plate 20, so that the filler 18 is prevented from obstructing the lifting of the bearing plate 14.
Referring to fig. 2, a spring 13 is connected between the bottom of the inner wall of the housing 10 and a carrier plate 14 at the bottom.
Through adopting above-mentioned technical scheme, through the setting of spring 13, can play the cushioning effect to bearing board 14 at loading board 14 in the lift in-process.
Referring to fig. 2, a water inlet 11 is formed at the bottom of the housing 10, a water outlet 21 is formed at the top of the housing 10, and a mesh plate 22 is fixed on the water outlet 21 through a bolt.
Referring to fig. 2, a water outlet pipe 8 of the autotrophic denitrification tank is positioned above a shell 10, a partition plate 12 is integrally formed inside the autotrophic denitrification tank, a gap for passing through sewage is reserved between the bottom of the partition plate 12 and the inner wall of the bottom of the autotrophic denitrification tank, a sewage channel 9 is formed between the partition plate 12 and the inner wall of the autotrophic denitrification tank, one side of the partition plate 12 is tightly attached to the outer wall of the shell 10, and an outlet of a water inlet pipe 7 of the autotrophic denitrification tank is positioned in the sewage channel 9.
Through adopting above-mentioned technical scheme, through the setting of sewage passageway 9 for sewage enters into autotrophic denitrification denitrogenation unit 6 from the bottom of autotrophic denitrification denitrogenation unit 6 and carries out the denitrification and handle, is favorable to prolonging the contact time between sewage and the filler 18, improves the denitrification and denitrogenation effect.
It should be noted that, the utility model relates to an efficient biological autotrophic denitrification and denitrification system, when using, sewage flows through the catch basin 1 in proper order, aeration tank 2, autotrophic denitrification tank 3, aeration tank 4, autotrophic denitrification tank 5 No. two, in order to realize the denitrification and denitrification treatment, when sewage enters autotrophic denitrification tank 3 or denitrification tank 5 No. two from inlet tube 7, sewage flows to the bottom of autotrophic denitrification tank along sewage passageway 9, and flow to autotrophic denitrification and denitrification unit 6 bottom from the bottom of sewage passageway 9, and enter autotrophic denitrification and denitrification unit 6 from water inlet 11 of casing 10 bottom, after the denitrification treatment of filler 18 inside autotrophic denitrification and denitrification unit 6, discharge from delivery port 21 at the top of casing 10; in the denitrification treatment process, the motor 23 rotates to drive the screw rod 16 to rotate, under the action of the threads, the screw sleeve 15 moves up and down along the screw rod 16, thereby driving the bearing plate 14 to move up and down, in the process of moving up and down of the bearing plate 14, when the bearing plate 14 which is static descends suddenly, and the descending speed of the bearing plate 14 is greater than the descending speed of the filler 18 by self gravity, due to the action of inertia, the filler 18 also descends along with the descending speed of the bearing plate 14, but because the descending speed of the bearing plate 14 is faster, at the moment, the filler 18 suspends in sewage because the speed is slower than that of the bearing plate 14, and under the action of buoyancy, the dispersion of the filler 18 can be realized, so that the filler 18 can not be totally agglomerated and stacked together, thereby the contact between the sewage and the filler 18 is more sufficient.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.
Claims (9)
1. A high efficiency bioautotrophic denitrification system comprising:
the water collecting tank (1), the water collecting tank (1) is connected with a sewage source through a pipeline;
the aeration tanks comprise a first aeration tank (2) and a second aeration tank (4), and the input end of the first aeration tank (2) is connected with the output end of the water collecting tank (1) through a pipeline;
the device comprises two autotrophic denitrification tanks, wherein each autotrophic denitrification tank comprises a first autotrophic denitrification tank (3) and a second autotrophic denitrification tank (5), the first autotrophic denitrification tank (3) and the second autotrophic denitrification tank (5) are respectively positioned at the output ends of a first aeration tank (2) and a second aeration tank (4), and the device is characterized in that:
an autotrophic denitrification pond (3) and No. two autotrophic denitrification ponds (5) are inside all to be provided with autotrophic denitrification denitrogenation unit (6), autotrophic denitrification denitrogenation unit (6) include fix casing (10) in autotrophic denitrification pond through the stabilizer blade, be located casing (10) inside polylith loading board (14), be located filler (18) on loading board (14), loading board (14) middle part integrated into one piece has silk cover (15), silk cover (15) screw thread suit is on screw rod (16), install inside casing (10) through the bearing rotation of screw rod (16).
2. The highly efficient bioautotrophic denitrification system according to claim 1, characterized in that: the input end of the first autotrophic denitrification tank (3) is connected with the output end of the first aeration tank (2) through a pipeline, the output end of the first autotrophic denitrification tank (3) is connected with the second aeration tank (4) through a pipeline, and the output end of the second aeration tank (4) is connected with the input end of the second autotrophic denitrification tank (5) through a pipeline.
3. The highly efficient bioautotrophic denitrification system according to claim 1, characterized in that: the top of screw rod (16) has motor (23) through the coupling joint, motor (23) pass through the bolt fastening on backup pad (24), the top in autotrophic denitrification pond is fixed through welding or bolt fastening's mode at the both ends of backup pad (24).
4. The highly efficient bioautotrophic denitrification system according to claim 1, characterized in that: the periphery of the bearing plate (14) is abutted against the inner wall of the shell (10), and a plurality of meshes are uniformly arranged on the bearing plate (14).
5. The highly efficient bioautotrophic denitrification system according to claim 1, characterized in that: a first side plate (17) is sealed on the periphery between the two bearing plates (14) in a screw fixing or welding mode, and a second side plate (19) is fixed on the periphery of the top of the bearing plate (14) on the top in a screw fixing or welding mode.
6. The highly efficient bioautotrophic denitrification system according to claim 5, wherein: an inclined plate (20) is integrally formed at the top of the second side plate (19), and a sharp corner is formed between the inclined plate (20) and the top of the second side plate (19).
7. The highly efficient bioautotrophic denitrification system according to claim 1, characterized in that: and a spring (13) is connected between the bottom of the inner wall of the shell (10) and the bearing plate (14) positioned at the bottom.
8. The highly efficient bioautotrophic denitrification system according to claim 1, characterized in that: the water inlet (11) is formed in the bottom of the shell (10), the water outlet (21) is formed in the top of the shell (10), and the mesh plate (22) is fixed to the water outlet (21) through bolts.
9. The highly efficient bioautotrophic denitrification system according to claim 1, characterized in that: the utility model discloses a sewage treatment device, including autotrophic denitrification pond, casing (10), baffle (12), the bottom of baffle (12) and the clearance that supplies sewage to pass through are left to the inside integrated into one piece in autotrophic denitrification pond, form sewage passageway (9) between the inner wall in baffle (12) and autotrophic denitrification pond, the outer wall of casing (10) is hugged closely to baffle (12) one side, the delivery outlet of inlet tube (7) in autotrophic denitrification pond is located sewage passageway (9).
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| CN201922055726.6U CN210974086U (en) | 2019-11-25 | 2019-11-25 | Efficient biological autotrophic denitrification nitrogen removal system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371823A (en) * | 2021-07-29 | 2021-09-10 | 中原环保股份有限公司 | Continuous operation device for limited denitrification of municipal sewage and denitrification method thereof |
| CN114162971A (en) * | 2021-12-23 | 2022-03-11 | 华夏碧水环保科技有限公司 | Filler assembly and heterotrophic efficient denitrification reactor |
| CN115304154A (en) * | 2022-02-22 | 2022-11-08 | 北京中持碧泽环境技术有限责任公司 | Denitrification unit and control method thereof |
| CN115991540A (en) * | 2023-03-23 | 2023-04-21 | 中侨启迪(山东)新材料科技有限公司 | Autotrophic denitrification sewage treatment equipment |
-
2019
- 2019-11-25 CN CN201922055726.6U patent/CN210974086U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371823A (en) * | 2021-07-29 | 2021-09-10 | 中原环保股份有限公司 | Continuous operation device for limited denitrification of municipal sewage and denitrification method thereof |
| CN113371823B (en) * | 2021-07-29 | 2022-12-23 | 中原环保股份有限公司 | Continuous operation device for limited denitrification of municipal sewage and denitrification method thereof |
| CN114162971A (en) * | 2021-12-23 | 2022-03-11 | 华夏碧水环保科技有限公司 | Filler assembly and heterotrophic efficient denitrification reactor |
| CN114162971B (en) * | 2021-12-23 | 2023-08-01 | 华夏碧水环保科技股份有限公司 | Filler assembly and heterotrophic high-efficiency denitrification reactor |
| CN115304154A (en) * | 2022-02-22 | 2022-11-08 | 北京中持碧泽环境技术有限责任公司 | Denitrification unit and control method thereof |
| CN115304154B (en) * | 2022-02-22 | 2024-04-19 | 北京中持碧泽环境技术有限责任公司 | Denitrification unit and control method thereof |
| CN115991540A (en) * | 2023-03-23 | 2023-04-21 | 中侨启迪(山东)新材料科技有限公司 | Autotrophic denitrification sewage treatment equipment |
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