CN216005354U - Synchronous nitrification and denitrification filter tank device - Google Patents
Synchronous nitrification and denitrification filter tank device Download PDFInfo
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- CN216005354U CN216005354U CN202122037224.8U CN202122037224U CN216005354U CN 216005354 U CN216005354 U CN 216005354U CN 202122037224 U CN202122037224 U CN 202122037224U CN 216005354 U CN216005354 U CN 216005354U
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- 239000000945 filler Substances 0.000 claims description 16
- 239000003513 alkali Substances 0.000 claims description 9
- 238000005276 aerator Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 11
- 238000005273 aeration Methods 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000006396 nitration reaction Methods 0.000 abstract description 4
- 230000035484 reaction time Effects 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000003814 drug Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241001453382 Nitrosomonadales Species 0.000 description 1
- 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 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
A synchronous nitrification and denitrification filter tank device belongs to the technical field of sewage treatment. This kind of synchronous nitrification, denitrification filtering pond device realizes carrying out nitration reaction and denitrification reaction simultaneously to sewage and handles through setting up adjusting device and reaction filter equipment, has reduced the nitration reaction time by a wide margin, has reduced the construction cost and the occupation of land space of equipment, whole device simple structure, reaction high efficiency, easy operation. In addition, the device does not need to additionally add a carbon source, and the required dissolved oxygen is controlled to be 1mg/L-1.5mg/L, so that the requirement on aeration is reduced, the power consumption is reduced, and the operation cost is further reduced.
Description
Technical Field
The utility model relates to a synchronous nitrification and denitrification filter tank device, and belongs to the technical field of sewage treatment.
Background
In the face of increasingly strict effluent discharge standards of sewage plants, the quality of effluent is urgently improved. In the main pollutant indexes, other pollutants can be removed by biochemical or chemical means, and the total nitrogen amount becomes a bottleneck for improving the water quality condition because the biochemical degradation efficiency is low and the total nitrogen amount cannot be removed by chemical agents.
At present, the advanced treatment process of most sewage treatment plants adopts a running mode of combining a nitrification filter and a denitrification filter to remove total nitrogen, and the combined process has the main defects of long reaction time, large volume of required structures and higher construction cost, and simultaneously needs a large amount of oxygen and added carbon sources in the running process, thereby invisibly increasing the running cost.
Disclosure of Invention
In order to overcome the problems in the prior art, the utility model provides a synchronous nitrification and denitrification filter tank device, which greatly shortens denitrification reaction time, reduces construction cost, reduces oxygen demand and reduces energy consumption by arranging a regulating device and a reaction filtering device.
The technical scheme adopted by the utility model is as follows: the utility model provides a synchronous nitrification and denitrification filter device includes water pump, adjusting device and reaction filter equipment, adjusting device contains equalizing basin, alkali jar and pH meter, and the water pump passes through the water inlet of water intaking valve connection equalizing basin upper left portion, and the alkali jar is through adding the medicine mouth that adds that medicine valve and dosing pump are connected the equalizing basin top, and the pH meter is established in the top of equalizing basin, and the measuring electrode of pH meter inserts the inside of equalizing basin.
The reaction filtering device comprises a reaction filtering tank and a DO tester, the reaction filtering pond comprises a first fan and a second fan, an aerator, a water distributor and a bearing plate are sequentially arranged in the reaction filtering pond from bottom to top, the aerator is sequentially connected with the first air inlet valve and the first fan through a branch pipe, the other branch pipe is sequentially connected with the second air inlet valve and the second fan, a water inlet of the water distributor is connected with a water outlet in the right lower part of the regulating pond through a water drain valve, fillers are placed on the bearing plate, a groove-shaped water outlet gallery is arranged on the outer side of the wall in the right upper part of the reaction filtering pond, a water outlet communicated with the water outlet gallery is arranged on the wall in the right upper part of the reaction filtering pond, a groove is formed in the lower wall surface of the water outlet, a through hole penetrating through the wall is formed in the upper wall surface of the upper arm, a water outlet flashboard is inserted into the groove through the through hole, a DO tester is arranged above the top of the reaction filtering pond, and a detection electrode of the DO tester is inserted into the reaction filtering pond.
The supporting plate adopts a porous plate with the aperture smaller than the diameter of the filler, and the filler adopts the filler with large specific surface area and high porosity.
The dosing pump adopts a diaphragm pump.
The utility model has the beneficial effects that: a synchronous nitrification and denitrification filter tank device comprises a water pump, an adjusting device and a reaction filtering device. This kind of synchronous nitrification, denitrification filtering pond device realizes carrying out nitration reaction and denitrification reaction simultaneously to sewage and handles through setting up adjusting device and reaction filter equipment, has reduced the nitration reaction time by a wide margin, has reduced the construction cost and the occupation of land space of equipment, whole device simple structure, reaction high efficiency, easy operation. In addition, the device does not need to additionally add a carbon source, and the required dissolved oxygen is controlled to be 1mg/L-1.5mg/L, so that the requirement on aeration is reduced, the power consumption is reduced, and the operation cost is further reduced.
Drawings
FIG. 1 is a schematic structural diagram of a synchronous nitrification and denitrification filter device.
FIG. 2 is a view showing the internal structure of the reaction-filtration tank of FIG. 1.
Fig. 3 is a partially enlarged view of a in fig. 2.
In the figure: 1. the device comprises a water pump, a water inlet valve, a regulating tank, a water outlet valve, a base tank, a chemical adding valve, a chemical adding pump, a pH meter, a reaction filtering tank, a reaction aerator, a water distributor, a reaction filtering tank, a reaction filtering, a reaction tank, a reaction.
Detailed Description
The utility model is described below with reference to the accompanying drawings and the detailed description:
fig. 1 shows a schematic structural diagram of a synchronous nitrification and denitrification filter device. In the figure, the synchronous nitrification and denitrification filter tank device comprises a water pump 1, an adjusting device and a reaction filtering device, wherein the adjusting device comprises an adjusting tank 2, an alkali tank 3 and a pH meter 4, the water pump 1 is connected with a water inlet at the upper left part of the adjusting tank 2 through a water inlet valve 1a, the alkali tank 3 is connected with a dosing port at the top of the adjusting tank 2 through a dosing valve 3a and a dosing pump 3b, the pH meter 4 is arranged above the top of the adjusting tank 2, and a detection electrode of the pH meter 4 is inserted into the adjusting tank 2.
The reaction filtering device comprises a reaction filtering tank 5, a DO tester 7, a first fan 8 and a second fan 9, wherein an aerator 5a, a water distributor 5b and a bearing plate 5c are sequentially arranged in the reaction filtering tank 5 from bottom to top, the aerator 5a is sequentially connected with a first air inlet valve 8a and the first fan 8 through a branch pipe, the other branch pipe is sequentially connected with a second air inlet valve 9a and the second fan 9, a water inlet of the water distributor 5b is connected with a water outlet at the right lower part of an adjusting tank 2 through a water discharge valve 2a, a filler 5d is arranged on the bearing plate 5c, a groove-shaped water outlet gallery 6 is arranged on the outer side of the wall at the right upper part of the reaction filtering tank 5, a water outlet 5e communicated with the water outlet gallery 6 is arranged on the wall at the right upper part of the reaction filtering tank 5, a groove is arranged on the lower wall surface of the water outlet 5e, a through hole penetrating through the wall is arranged on the upper wall surface, and a water outlet flashboard 5f is inserted into the groove through the through hole, the DO meter 7 is disposed above the top of the reaction-filtration tank 5, and the detection electrode of the DO meter 7 is inserted into the interior of the reaction-filtration tank 5 (as shown in fig. 2 and 3).
The supporting plate 5c adopts a porous plate with the aperture smaller than the diameter of the filler 5d, and the filler 5d adopts a filler with large specific surface area and high porosity. The dosing pump 3b employs a diaphragm pump. The width of the through hole and the groove is smaller than that of the right side wall of the reaction filtering tank 5, and the water outlet 5e is opened and closed by pulling upwards and inserting downwards the water outlet shutter 5 f.
The working process of the synchronous nitrification and denitrification filter device is as follows: the water inlet valve 1a is opened, the water pump 1 is started at the same time, and the sewage to be treated is pumped into the regulating tank 2 through the water pump. Opening a dosing valve 2a connected with a medicine outlet pipe of the alkali tank 3, starting a dosing pump 3b, pumping alkali liquor in the alkali tank 3 into the regulating tank 2, and then starting a pH meter 4 to control the pH value in the regulating tank 2 to be 7.6-8.3. When the liquid level in the adjusting tank 2 reaches the tank depth 2/3, the drain valve 2a on the water outlet pipe at the lower right part of the adjusting tank 2 is opened, the sewage in the adjusting tank 2 flows through the water distributor 5b under the action of gravity, and the sewage is uniformly distributed in the reaction filtering tank 5 through the water distributor 5 b. After the liquid level in the reaction filtering tank 5 with the concrete structure is over the filler 5d, the first air inlet valve 8a is opened, the first fan 8 (aeration fan) is started at the same time, and the air generated by the first fan 8 (aeration fan) supplies oxygen for the filtering tank through the aerator 5a via the main air inlet pipe. And (3) starting a DO tester 7, controlling the DO value in the filter tank to be between 1mg/L and 1.5mg/L by adjusting the aeration quantity of the first fan 8, and degrading ammonia nitrogen and nitrate nitrogen in sewage by anaerobic ammonia oxidizing bacteria attached to the filler (the bacteria can synchronously carry out nitrification and denitrification in the environment of DO value of 1mg/L to 1.5 mg/L). Then the water outlet shutter 5f is drawn out upwards, and the treated sewage enters the water outlet gallery 6 through the water outlet 5e of the reaction filtering pool 5 and further flows to the next process through the water drainage pipeline at the bottom of the water outlet gallery 6. The second fan 9 is used as a backwashing fan, a low-power fan needs to be selected, and the first fan 8 is used as an aeration fan, and a high-power fan needs to be selected. If the filler in the reaction filtering tank 5 with the concrete structure is blocked, the first air inlet valve 8a and the first fan 8 are closed, and then the second fan 9 and the second air inlet valve 9a are opened to flush the filler.
Claims (3)
1. A synchronous nitrification and denitrification filter tank device comprises a water pump (1) and is characterized by further comprising an adjusting device and a reaction filtering device, wherein the adjusting device comprises an adjusting tank (2), an alkali tank (3) and a pH meter (4), the water pump (1) is connected with a water inlet at the upper left part of the adjusting tank (2) through a water inlet valve (1 a), the alkali tank (3) is connected with a dosing port at the top of the adjusting tank (2) through a dosing valve (3 a) and a dosing pump (3 b), the pH meter (4) is arranged above the top of the adjusting tank (2), and a detection electrode of the pH meter (4) is inserted into the adjusting tank (2);
the reaction filtering device comprises a reaction filtering tank (5), a DO tester (7), a first fan (8) and a second fan (9), wherein an aerator (5 a), a water distributor (5 b) and a bearing plate (5 c) are sequentially arranged in the reaction filtering tank (5) from bottom to top, the aerator (5 a) is sequentially connected with the first air inlet valve (8 a) and the first fan (8) through a branch pipe, the other branch pipe is sequentially connected with the second air inlet valve (9 a) and the second fan (9), a water inlet of the water distributor (5 b) is connected with a water outlet at the right lower part of the regulating tank (2) through a drain valve (2 a), a filler (5 d) is placed on the bearing plate (5 c), a groove-shaped water outlet gallery (6) is arranged on the outer side of the wall at the right upper part of the reaction filtering tank (5), and a water outlet (5 e) communicated with the water outlet gallery (6) is arranged on the wall at the right upper part of the reaction filtering tank (5), the lower wall surface of the water outlet (5 e) is provided with a groove, the upper wall surface is provided with a through hole penetrating through the wall, the water outlet flashboard (5 f) is inserted into the groove through the through hole, the DO measuring instrument (7) is arranged above the top of the reaction filtering pool (5), and a detection electrode of the DO measuring instrument (7) is inserted into the reaction filtering pool (5).
2. A synchronous nitrification and denitrification filter apparatus according to claim 1, wherein the supporting plate (5 c) is a porous plate with a pore size smaller than the diameter of the filler (5 d), and the filler (5 d) is a filler with a large specific surface area and a high porosity.
3. A synchronous nitrification and denitrification filter apparatus according to claim 1, wherein the dosing pump (3 b) is a diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122037224.8U CN216005354U (en) | 2021-08-27 | 2021-08-27 | Synchronous nitrification and denitrification filter tank device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122037224.8U CN216005354U (en) | 2021-08-27 | 2021-08-27 | Synchronous nitrification and denitrification filter tank device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216005354U true CN216005354U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122037224.8U Active CN216005354U (en) | 2021-08-27 | 2021-08-27 | Synchronous nitrification and denitrification filter tank device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216005354U (en) |
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2021
- 2021-08-27 CN CN202122037224.8U patent/CN216005354U/en active Active
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