CN220703471U - Dispersible AO integrated sewage denitrification device - Google Patents
Dispersible AO integrated sewage denitrification device Download PDFInfo
- Publication number
- CN220703471U CN220703471U CN202322381976.5U CN202322381976U CN220703471U CN 220703471 U CN220703471 U CN 220703471U CN 202322381976 U CN202322381976 U CN 202322381976U CN 220703471 U CN220703471 U CN 220703471U
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- Prior art keywords
- zone
- reaction tank
- aerobic
- baffle plate
- area
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- 239000010865 sewage Substances 0.000 title claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000004062 sedimentation Methods 0.000 claims abstract description 23
- 238000005273 aeration Methods 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 244000005700 microbiome Species 0.000 claims abstract description 10
- 238000003763 carbonization Methods 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 12
- 238000001556 precipitation Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 206010021143 Hypoxia Diseases 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 abstract description 2
- 230000001580 bacterial effect Effects 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000010907 mechanical stirring Methods 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
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
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a dispersible AO integrated sewage denitrification device, which relates to the technical field of sewage treatment and comprises a reaction tank, wherein a first baffle plate and a second baffle plate are respectively connected inside the reaction tank, the inside of the reaction tank is divided into three areas of a water inlet sedimentation area, a reaction area and a water outlet sedimentation area through the first baffle plate and the second baffle plate, the reaction area is divided into an anaerobic area and an aerobic area, aerobic and anaerobic microorganism clusters for performing nitrification and denitrification reactions and carbonization reactions in sewage treatment are respectively arranged in the anaerobic area and the aerobic area, and an aeration device for giving oxygen to the aerobic microorganism clusters is arranged in the aerobic area. This AO integrated sewage denitrification facility, oxygen deficiency and good oxygen go on in a pond, the stability of assurance environment that can be better, the reaction zone relatively divide into good oxygen advantage district and oxygen deficiency advantage district, for the bacterial that corresponds provides suitable environment, the reaction zone has adopted the mode of mechanical stirring to realize big backward flow again, lets nitrate nitrogen and carbon source intensive mixing realize the normal position denitrogenation.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a dispersible AO integrated sewage denitrification device.
Background
At present, a sewage treatment system is not built in many rural areas, the domestic sewage treatment rate generated by residents is low, and part of water is directly discharged. The domestic sewage has low various pollution indexes, mainly contains COD ammonia nitrogen and the like, is generally lower than the concentration of urban domestic sewage, and has low treatment difficulty. Because of a certain distance between villages, the cost of centralized collection of sewage is high, and corresponding small-sized decentralized sewage treatment devices are arranged according to the distribution situation of villages.
The small-sized decentralized sewage treatment equipment at the present stage is designed by adopting segmented aerobic and anoxic processes, the dissolved oxygen in the aerobic zone is required to be controlled to be 2-4 mg/L, the dissolved oxygen in the anoxic zone is required to be controlled to be less than 0.5mg/L, the nitrification reaction and the denitrification reaction are independently carried out, and the mixed liquor is additionally arranged to flow back to realize denitrification, so that the pH value of the aerobic zone is easily less than 6, the acidification and collapse of the system are caused when the pH value is severe, and the operation of the equipment needs professional engineer operation guidance. However, the decentralized sewage treatment device is generally placed in a relatively remote area, and professional management is difficult to realize.
Therefore, those skilled in the art have devised a decentralized AO (anaerobic/Oxic) integrated wastewater denitrification facility.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a dispersible AO integrated sewage denitrification device, which solves the problems proposed by the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a dispersible AO integrated sewage denitrification device comprises a reaction tank, wherein the inside of the reaction tank is respectively connected with a first baffle plate and a second baffle plate, the inside of the reaction tank is divided into three areas of an inflow water sedimentation area, a reaction area and an outflow water sedimentation area by the first baffle plate and the second baffle plate,
the reaction zone is divided into an anaerobic zone and an aerobic zone, aerobic and anaerobic microorganism clusters for performing nitrification and denitrification reactions and carbonization reactions in sewage treatment are respectively arranged in the anaerobic zone and the aerobic zone, and an aeration device for giving oxygen to the aerobic microorganism clusters is arranged in the aerobic zone;
the inside of the reaction tank is also provided with a plug flow device, and a plug flow outlet of the plug flow device is inclined towards the position of the anaerobic zone.
Further, an inlet flange pipe is arranged on the side wall of the reaction tank and corresponds to the position of the incoming water sedimentation zone, and an outlet flange pipe is arranged on the side wall of the reaction tank and corresponds to the position of the outgoing water sedimentation zone.
Further, one side of the reaction tank is integrally connected with an outer flange, and the impeller is obliquely arranged in the outer flange.
Furthermore, the top parts of the first partition plate and the second partition plate are respectively provided with an overflow port I and an overflow port II, and the overflow ports I and II are positioned on the diagonal line of the reaction zone.
Furthermore, the interior of the water outlet sedimentation zone is divided into a plurality of sub water outlet sedimentation zones by a plurality of partition boards III, and the top of each partition board III is provided with an overflow port III.
Further, the aeration device comprises a pipe network fixed in the aerobic zone, a plurality of aeration spray heads are arranged on the upper part of the pipe network, and the pipe orifice of the pipe network extends to the outside of the reaction tank and is connected with an air inlet flange pipe.
Further, the pipe network is fixed by a plurality of pipe hoops connected to the bottom end inside the reaction tank.
The utility model provides a dispersible AO integrated sewage denitrification device. Compared with the prior art, the method has the following beneficial effects:
this AO integrated sewage denitrification facility, oxygen deficiency and good oxygen go on in a pond, the stability of assurance environment that can be better, the reaction zone relatively divide into good oxygen advantage district and oxygen deficiency advantage district, for the bacterial that corresponds provides suitable environment, the reaction zone has adopted the mode of mechanical stirring to realize big backward flow again, lets nitrate nitrogen and carbon source intensive mixing realize the normal position denitrogenation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a flow chart of the structure and wastewater of the present utility model;
FIG. 3 is a schematic structural view of a reaction tank in the present utility model;
fig. 4 is a schematic view of the structure of an aeration apparatus according to the present utility model.
In the figure: 1. a reaction tank; 11. an inlet flange pipe; 12. an outlet flange pipe; 13. an outer protruding portion; 2. a first partition board; 21. an overflow port I; 3. a second partition board; 31. an overflow port II; 4. a water precipitation zone; 5. a reaction zone; 51. an anaerobic zone; 52. an aerobic zone; 6. a water outlet sedimentation zone; 7. an aeration device; 71. a pipe network; 72. an aeration spray head; 73. an air inlet flange pipe; 74. a pipe clamp; 8. a flow impeller; 9. a third partition board; 91. and an overflow port III.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a dispersible AO integrated sewage denitrification facility, including reaction tank 1, reaction tank 1's inside is connected with baffle one 2 respectively, baffle two 3, through baffle one 2, baffle two 3 are with the inside of reaction tank 1 come water sedimentation zone 4, reaction zone 5, go out three district of water sedimentation zone 6, the inlet flange pipe 11 is installed to the lateral wall of reaction tank 1 and the position that corresponds to water sedimentation zone 4, the outlet flange pipe 12 is installed to the position that corresponds to water sedimentation zone 6 of the lateral wall of reaction tank 1, wherein, reaction zone 5 divide into anaerobic zone 51 and good oxygen district 52 again, anaerobic zone 51, all there is the aerobic, the microorganism cluster of anaerobism that is used for sewage treatment to take place nitrify denitrification reaction, carbonization reaction in the aerobic zone 52, install the aeration equipment 7 that gives good microorganism cluster oxygen in the aerobic zone 52, the inside of reaction tank 1 still is installed impeller 8 (one side of reaction tank 1 is connected with portion 13 an organic whole, impeller 8 is installed in outer portion 13 in the slope), the impeller 8's the impeller is installed towards the position that the anaerobism motor of reaction tank 1 is towards the water impeller 51, the impeller is required to be in the slope to drive the impeller in the place of the actual place of impeller, thereby the impeller is in the big structure of the realization that the impeller is driven to rotate in the sewage and the impeller is in the place of the big place of the impeller structure, it is required to rotate, thereby the reflux is realized in the major structure.
Referring to fig. 3, the top parts of the first and second partition plates 2 and 3 are respectively provided with an overflow port 21 and a second overflow port 31, the first and second overflow ports 21 and 31 are positioned on the diagonal line of the reaction zone 5 (specifically, the first overflow port 21 should be far away from the inlet flange pipe 11, the second overflow port 31 should be far away from the outlet flange pipe 12), the interior of the water outlet sedimentation zone 6 is divided into a plurality of sub water outlet sedimentation zones by a plurality of third partition plates 9, and the top part of each third partition plate 9 is provided with an overflow port three 91.
Referring to fig. 4, the aeration device 7 includes a pipe network 71 fixed in the aerobic zone 52, a plurality of aeration nozzles 72 are installed at the upper part of the pipe network 71, the pipe orifice of the pipe network 71 extends to the outside of the reaction tank 1 and is connected with an air inlet flange pipe 73, the pipe network 71 is fixed by a plurality of pipe hoops 74 connected to the bottom end inside the reaction tank 1, oxygen or air enters the air inlet flange pipe 73 and the pipe network 71 through external pipelines, and then the oxygen or air is fully sprayed into sewage by the plurality of aeration nozzles 72 to be used for the aerobic microorganism clusters in the sewage.
When in use, as shown in the flow chart of sewage entering the device, referring to fig. 2, the sewage enters the incoming water sedimentation zone 4 through the inlet flange pipe 11, after the sewage is precipitated, impurities such as particles, sand and the like are left in the incoming water sedimentation zone 4, supernatant fluid enters the reaction tank 5 through the overflow port I21, and microbial degradation reactions such as nitrification, denitrification, carbonization and the like are carried out in the reaction zone 5, so that pollutants such as organic matters, total nitrogen, total phosphorus and the like are removed;
in the reaction process, the aeration device 7 injects oxygen required by the aerobic microorganism clusters into the aerobic zone 52;
meanwhile, the impeller 8 pushes sewage from the anaerobic zone 51 to the aerobic zone 52, one part of the sewage enters the effluent sedimentation zone 6 through the overflow port II 31, the other part of the sewage flows back to the anaerobic zone 51, the sewage flows into the water sedimentation zone 6 to be treated in a circulating way, and the sewage finally flows out of the outlet flange pipe 12 after being precipitated for a plurality of times.
Claims (7)
1. The dispersible AO integrated sewage denitrification device comprises a reaction tank (1), and is characterized in that the inside of the reaction tank (1) is respectively connected with a first baffle plate (2) and a second baffle plate (3), the inside of the reaction tank (1) is divided into three areas of an incoming water sedimentation area (4), a reaction area (5) and an outgoing water sedimentation area (6) through the first baffle plate (2) and the second baffle plate (3),
the reaction zone (5) is divided into an anaerobic zone (51) and an aerobic zone (52), aerobic and anaerobic microorganism clusters used for performing nitrification and denitrification reactions and carbonization reactions in sewage treatment are respectively arranged in the anaerobic zone (51) and the aerobic zone (52), and an aeration device (7) for giving oxygen to the aerobic microorganism clusters is arranged in the aerobic zone (52);
the inside of the reaction tank (1) is also provided with a plug-flow device (8), and a plug-flow outlet of the plug-flow device (8) inclines towards the position of the anaerobic zone (51).
2. The dispersible AO-integrated sewage denitrification device according to claim 1, wherein an inlet flange pipe (11) is arranged on the side wall of the reaction tank (1) and corresponds to the position of the incoming water sedimentation zone (4), and an outlet flange pipe (12) is arranged on the side wall of the reaction tank (1) and corresponds to the position of the outgoing water sedimentation zone (6).
3. The dispersible AO integrated sewage denitrification device according to claim 1, wherein an outer protrusion (13) is integrally connected to one side of the reaction tank (1), and the impeller (8) is obliquely installed in the outer protrusion (13).
4. The dispersible AO integrated sewage denitrification device according to claim 1, wherein the top parts of the first baffle plate (2) and the second baffle plate (3) are respectively provided with an overflow port first (21) and an overflow port second (31), and the overflow port first (21) and the overflow port second (31) are positioned on the diagonal line of the reaction zone (5).
5. The dispersible AO integrated sewage denitrification device according to claim 1, wherein the interior of the effluent precipitation zone (6) is divided into a plurality of sub effluent precipitation zones by a plurality of partition boards (9), and the top of each partition board (9) is provided with an overflow port (91).
6. A dispersible AO-integrated sewage denitrification device according to claim 1, wherein the aeration device (7) comprises a pipe network (71) fixed in the aerobic zone (52), a plurality of aeration spray heads (72) are installed on the upper part of the pipe network (71), and the pipe orifice of the pipe network (71) extends to the outside of the reaction tank (1) and is connected with an air inlet flange pipe (73).
7. The dispersible AO-integrated sewage denitrification device according to claim 6, wherein the pipe network (71) is fixed by a plurality of pipe hoops (74) connected to the bottom end inside the reaction tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322381976.5U CN220703471U (en) | 2023-09-04 | 2023-09-04 | Dispersible AO integrated sewage denitrification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322381976.5U CN220703471U (en) | 2023-09-04 | 2023-09-04 | Dispersible AO integrated sewage denitrification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220703471U true CN220703471U (en) | 2024-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322381976.5U Active CN220703471U (en) | 2023-09-04 | 2023-09-04 | Dispersible AO integrated sewage denitrification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220703471U (en) |
-
2023
- 2023-09-04 CN CN202322381976.5U patent/CN220703471U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |