CN220132005U - Biological pond with water distribution and sand removal functions for multi-section water inflow - Google Patents
Biological pond with water distribution and sand removal functions for multi-section water inflow Download PDFInfo
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- CN220132005U CN220132005U CN202321357140.5U CN202321357140U CN220132005U CN 220132005 U CN220132005 U CN 220132005U CN 202321357140 U CN202321357140 U CN 202321357140U CN 220132005 U CN220132005 U CN 220132005U
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- water inlet
- anoxic zone
- biological pond
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 149
- 239000004576 sand Substances 0.000 title claims abstract description 34
- 238000009826 distribution Methods 0.000 title claims abstract description 22
- 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 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
- 239000002351 wastewater Substances 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007102 metabolic function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a biological pond with water distribution and sand removal functions for multi-section water inflow, which relates to the field of wastewater pollution treatment and comprises the following steps: the anaerobic treatment device comprises a pre-anoxic zone, an anaerobic zone, an anoxic zone and an aerobic zone which are sequentially communicated, wherein the pre-anoxic zone is provided with a first water inlet, the anaerobic zone is provided with a second water inlet, and the anoxic zone is provided with a third water inlet; the control unit is connected with the gates on the first water inlet, the second water inlet and the third water inlet; the biological pond adopts a plurality of water inlets to carry out water inflow, and can fully utilize the easily biodegradable COD in raw water as denitrification to improve the carbon source, thereby reducing the addition of the additional carbon source and improving the denitrification efficiency of the biological system.
Description
Technical Field
The utility model belongs to the field of wastewater pollution treatment, and in particular relates to a biological pond with water distribution and sand removal functions for multistage water inflow.
Background
The biological pool utilizes the metabolism function of microorganisms to degrade and convert organic pollutants in dissolved and colloid states in sewage into harmless substances, so that the sewage can be purified. The existing biological tanks need additional carbon sources to improve the denitrification efficiency of the biological system, but the cost of sewage treatment is increased and the treatment efficiency is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a biological pond with water distribution and sand removal functions for multi-stage water inflow, which adopts a plurality of water inlets for water inflow, and can fully utilize the easily biodegradable COD in raw water as denitrification to improve the carbon source, thereby reducing the addition of the additional carbon source and improving the denitrification efficiency of a biological system.
In order to achieve the above object, the present utility model provides a bio-pool for multi-stage water inflow having water distribution and sand removal functions, comprising:
the anaerobic treatment device comprises a pre-anoxic zone, an anaerobic zone, an anoxic zone and an aerobic zone which are sequentially communicated, wherein the pre-anoxic zone is provided with a first water inlet, the anaerobic zone is provided with a second water inlet, and the anoxic zone is provided with a third water inlet;
and the control unit is connected with the gates on the first water inlet, the second water inlet and the third water inlet.
Optionally, the first water inlet, the second water inlet and the third water inlet are respectively connected with a water inlet well, and a sand collecting pit is arranged in the water inlet well.
Optionally, the inner wall of the sand collecting pit forms an included angle with the horizontal plane, and the included angle is not smaller than 55 degrees.
Optionally, the flow passage of the anaerobic zone is U-shaped, and the pre-anoxic zone and the anoxic zone are arranged on the periphery of the water inlet well.
Optionally, the flow channels of the anoxic zone and the aerobic zone are both in serpentine bending.
Optionally, the anoxic zone is disposed along the length of the biological tank.
Optionally, the aerobic zone is arranged along the width direction of the biological pond.
Optionally, a nitrate nitrogen sensor connected with the control unit is also provided.
Optionally, partition walls are arranged among the pre-anoxic zone, the anaerobic zone, the anoxic zone and the aerobic zone.
Optionally, the water outlet end of the aerobic zone is connected with the oxygen eliminating zone.
The utility model provides a biological pond with water distribution and sand removal functions for multi-section water inflow, which has the beneficial effects that: the biological pond adopts the multi-section water inflow, so that the biological pond is approximately and completely mixed, the influence of water quality change and impact load can be greatly borne, in addition, under the condition of limited land use, three-point water inflow is carried out by combining a water inlet well with a water inlet channel, thus the hydraulic loss of the water inlet channel is small, water inflow can be uniformly distributed, the water inflow can be regulated through the opening degree of a gate, the multi-proportion regulation of the three-point water inflow is realized, the biological pond flexibly operates, and the biological pond is in A according to the water quality condition of water inflow and water outflow 2 O、A+A 2 O、A/O and other biological pool forms.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.
Fig. 1 shows a schematic structure of a bio-tank having water distribution and sand removal functions for multi-stage inflow according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a pre-anoxic zone; 2. an anaerobic zone; 3. an anoxic zone; 4. an aerobic zone; 5. an oxygen-eliminating region; 6. a first water inlet; 7. a second water inlet; 8. a third water inlet; 9. an inlet well; 10. a water inlet channel; 11. and (5) a water outlet well.
Detailed Description
Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
The utility model provides a biological pond with water distribution and sand removal functions for multi-section water inflow, which comprises:
the anaerobic treatment device comprises a pre-anoxic zone, an anaerobic zone, an anoxic zone and an aerobic zone which are sequentially communicated, wherein the pre-anoxic zone is provided with a first water inlet, the anaerobic zone is provided with a second water inlet, and the anoxic zone is provided with a third water inlet;
and the control unit is connected with the gates on the first water inlet, the second water inlet and the third water inlet.
Optionally, the pre-anoxic zone, the anaerobic zone, the anoxic zone and the aerobic zone are provided with partition walls therebetween.
Optionally, the water outlet end of the aerobic zone is connected with the oxygen-eliminating zone.
Specifically, the biological pond adopts a multi-section type A 2 The O treatment process sequentially comprises a pre-anoxic zone, an anaerobic zone, an anoxic zone, an aerobic zone and an oxygen-removing zone according to the water flow direction, wherein partition walls are arranged between the functional zones, so that a relatively stable biological reaction environment and a stable hydraulic plug flow state in each zone can be maintained, and meanwhile, the short flow phenomenon of water inflow and return sludge can be avoided; three water inlets are respectively formed in the pre-anoxic zone, the anaerobic zone and the anoxic zone, a three-point water inlet mode is realized, a multi-point water distribution mode of the biological pool is formed, the water enters from the pre-anoxic zone at the head end of the biological pool, enters from the anaerobic zone through a water inlet channel, and enters from the anoxic zone, and the three water inlets are provided with gates, so that the three water inlet proportions can be adjusted according to the treatment effect in actual operation, in addition, the multi-section water inlet can enable the biological pool to be approximately and completely mixed, and the biological pool can greatly bear the influence of water quality change and impact load.
Optionally, the first water inlet, the second water inlet and the third water inlet are respectively connected with a water inlet well, and a sand collecting pit is arranged in the water inlet well.
Optionally, the inner wall of the sand collecting pit forms an included angle with the horizontal plane, and the included angle is not smaller than 55 degrees.
Specifically, because the pretreatment sand removal effect is bad, additionally increase biological pond sludge concentration, make activated sludge adsorption capacity and activity reduce, increase biological pond mud discharge, it is difficult to bring to process operation control, influence activated sludge and to the degradation of organic matter in the sewage, even finally influence the water quality of the play water, consequently, set up the sand collecting pit in the inlet well that this biological pond connects, the contained angle that is less than 55 is personally submitted with the level to the inner wall of sand collecting pit, do benefit to the sand deposit in the sand collecting pit, avoid the sand to get into biological pond, thereby reduce the effective volume of biological pond, and conveniently clear away the sand setting in the inlet well regularly like this.
In one embodiment, the water inlet well and the biological pool can be built together, so that the occupied area is reduced sufficiently, and the limited building land is utilized effectively.
Optionally, the flow passage of the anaerobic zone is U-shaped, and the pre-anoxic zone and the anoxic zone are arranged at the periphery of the water inlet well.
Optionally, the flow channels of the anoxic zone and the aerobic zone are serpentine.
Optionally, the anoxic zone is disposed along the length of the biological tank.
Optionally, the aerobic zone is disposed along the width of the biological pond.
Specifically, each functional area in the biological pond is connected in series, so that sewage flows along a serpentine path, an inlet well is connected with a pre-anoxic area and arranged at one end of the biological pond, and enters an anaerobic area along the width direction of the biological pond; in this biological pond, owing to the overall arrangement setting of each functional area, the inlet well can just be connected with anoxic zone and anoxic zone in advance through directly seting up the water inlet on the partition wall, and also only adopted the channel of intaking to connect between inlet well and the anaerobic zone, can the effectual manufacturing cost of the biological pond of control multistage intaking.
In one embodiment, the water inflow from the pre-anoxic zone is controlled to be about 10% of the total water inflow, and microorganisms remove all reflux nitrate nitrogen by utilizing organic matters in the water inflow, so that nitrate and dissolved oxygen entering the anaerobic section are reduced, the adverse effect of nitrate nitrogen on the anaerobic tank is eliminated, the stability of the anaerobic tank is ensured, and the whole process can meet the requirement of phosphorus; the water inflow from the anaerobic zone is controlled to be about 40%, so that VFA required by releasing phosphorus is provided for the anaerobic zone, and the efficiency of releasing phosphorus is ensured; the water inflow from the anoxic zone is controlled to be about 40 percent, so as to provide a carbon source for denitrification and improve the denitrification efficiency of the biochemical system; the gate is opened downwards, and the flow distribution is carried out on each region by adjusting the opening degree of the valve.
Optionally, a nitrate nitrogen sensor connected with the control unit is also provided.
Specifically, the nitrate nitrogen content in the inflow water of the biological pond is too high, so that the inflow water of the anoxic zone can be properly regulated, and a sufficient carbon source is provided for denitrification.
Examples
As shown in fig. 1, the present utility model provides a bio-pool for multi-stage water inflow having water distribution and sand removal functions, comprising:
the anaerobic treatment device comprises a pre-anoxic zone 1, an anaerobic zone 2, an anoxic zone 3 and an aerobic zone 4 which are sequentially communicated, wherein the pre-anoxic zone 1 is provided with a first water inlet 6, the anaerobic zone 2 is provided with a second water inlet 7, and the anoxic zone 3 is provided with a third water inlet 8;
and the control unit is connected with gates on the first water inlet 6, the second water inlet 7 and the third water inlet 8.
In this embodiment, the first water inlet 6, the second water inlet 7 and the third water inlet 8 are respectively connected with the water inlet well 9, and a sand collecting pit is arranged in the water inlet well 9.
In this embodiment, the inner wall of the sand collecting pit forms an included angle with the horizontal plane, and the included angle is not smaller than 55 °.
In the embodiment, the flow passage of the anaerobic zone 2 is U-shaped, and the pre-anoxic zone 1 and the anoxic zone 3 are arranged at the periphery of the water inlet well 9.
In this embodiment, the flow channels of the anoxic zone 3 and the aerobic zone 4 are both serpentine.
In this embodiment, the anoxic zone 3 is disposed along the length of the biological tank.
In this embodiment, the aerobic zone 4 is arranged in the width direction of the biological tank.
In this embodiment, a nitrate nitrogen sensor is also provided in the training stage with the control unit.
In this embodiment, the pre-anoxic zone 1, the anaerobic zone 2, the anoxic zone 3 and the aerobic zone 4 are provided with partition walls therebetween.
In this embodiment, the water outlet end of the aerobic zone 4 is connected with the oxygen-eliminating zone 5.
In summary, when the biological pool closes the gate of the second water inlet 7, the water inflow of the anaerobic zone 2 is 0, only the gates of the first water inlet 6 and the third water inlet 8 are opened, and the operation mode of the biological pool is A 2 O; a second water inlet 7 and a third water inlet 8When the gate is closed, only the gate of the first water inlet 6 is opened, and the operation mode of the biological pond is AO; when all three gates are opened, the operation mode of the biological pool is A+A 2 O。
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (10)
1. A biological pond for multistage water inflow having water distribution and desanding functions, comprising:
the anaerobic treatment device comprises a pre-anoxic zone, an anaerobic zone, an anoxic zone and an aerobic zone which are sequentially communicated, wherein the pre-anoxic zone is provided with a first water inlet, the anaerobic zone is provided with a second water inlet, and the anoxic zone is provided with a third water inlet;
and the control unit is connected with the gates on the first water inlet, the second water inlet and the third water inlet.
2. The biological pond with water distribution and sand removal functions for multi-section water inflow according to claim 1, wherein the first water inlet, the second water inlet and the third water inlet are respectively connected with a water inlet well, and a sand collecting pit is arranged in the water inlet well.
3. The biological pond with water distribution and sand removal functions for multi-stage water inflow according to claim 2, wherein the inner wall of the sand collection pit forms an included angle with the horizontal plane, and the included angle is not smaller than 55 °.
4. The biological pond with water distribution and sand removal functions for multi-section water inflow according to claim 2, wherein the flow passage of the anaerobic zone is U-shaped, and the pre-anoxic zone and the anoxic zone are arranged on the periphery of the water inlet well.
5. The biological pond with water distribution and sand removal functions for multi-stage water inflow according to claim 1, wherein the flow channels of the anoxic zone and the aerobic zone are each serpentine.
6. The biological pond with water distribution and sand removal function for multi-stage water inflow according to claim 5, wherein the anoxic zone is disposed along the length direction of the biological pond.
7. The biological cell for multistage inflow water having water distribution and sand removal functions according to claim 6, wherein the aerobic zone is provided along a width direction of the biological cell.
8. The biological pond with water distribution and sand removal functions for multi-stage water inflow according to claim 1, further comprising a nitrate nitrogen sensor connected to the control unit.
9. The biological pond with water distribution and sand removal functions for multi-stage water inflow according to claim 1, wherein the pre-anoxic zone, the anaerobic zone, the anoxic zone and the aerobic zone are provided with partition walls therebetween.
10. The biological pond with water distribution and sand removal functions for multi-stage water inflow according to claim 1, wherein the water outlet end of the aerobic zone is connected with the oxygen elimination zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357140.5U CN220132005U (en) | 2023-05-30 | 2023-05-30 | Biological pond with water distribution and sand removal functions for multi-section water inflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357140.5U CN220132005U (en) | 2023-05-30 | 2023-05-30 | Biological pond with water distribution and sand removal functions for multi-section water inflow |
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| CN220132005U true CN220132005U (en) | 2023-12-05 |
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| CN202321357140.5U Active CN220132005U (en) | 2023-05-30 | 2023-05-30 | Biological pond with water distribution and sand removal functions for multi-section water inflow |
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| CN (1) | CN220132005U (en) |
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2023
- 2023-05-30 CN CN202321357140.5U patent/CN220132005U/en active Active
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