CN220788331U - Phosphorus-containing sewage treatment system - Google Patents
Phosphorus-containing sewage treatment system Download PDFInfo
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- CN220788331U CN220788331U CN202322515979.3U CN202322515979U CN220788331U CN 220788331 U CN220788331 U CN 220788331U CN 202322515979 U CN202322515979 U CN 202322515979U CN 220788331 U CN220788331 U CN 220788331U
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- tank
- phosphorus
- sewage
- jar
- dosing
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- 239000010865 sewage Substances 0.000 title claims abstract description 113
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 91
- 239000011574 phosphorus Substances 0.000 title claims abstract description 91
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000004065 wastewater treatment Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims 2
- 239000002516 radical scavenger Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 7
- 244000005700 microbiome Species 0.000 abstract description 7
- 230000000813 microbial effect Effects 0.000 abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
Abstract
The utility model relates to the technical field of sewage treatment, in particular to a phosphorus-containing sewage treatment system, which comprises a reaction tank and a sewage tank, wherein the sewage tank is communicated with the reaction tank, and further comprises a dosing tank, the dosing tank is used for loading a phosphorus remover, and the dosing tank is communicated with the sewage tank. According to the utility model, the sewage tank and the dosing tank are arranged in front of the SBR reaction tank, and phosphorus in the sewage is removed by the phosphorus removing agent before the sewage enters the reaction tank, so that a large amount of phosphorus removing agent is prevented from contacting with microorganisms in the reaction tank, and the microbial activity in the SBR reaction tank is ensured, so that phosphorus and other impurities in the sewage are removed more thoroughly.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a phosphorus-containing sewage treatment system.
Background
Although the sewage treatment rate of China is continuously improved, the problem of eutrophication of water body caused by pollution of nitrogen and phosphorus is not solved, and the trend is increasingly serious, so that the sewage treatment rate is improved, and the nitrogen and phosphorus emission index of a sewage treatment field is further controlled.
The SBR method is an activated sludge method operated in a sequencing batch mode, has the advantages of simple process flow, flexible operation mode, good controllability, difficult occurrence of sludge expansion, strong flushing capacity of sewage water quality resistance and the like, and is widely applied to small town sewage treatment and industrial wastewater treatment at present. However, in gas production, the phosphorus content in the sewage is high, and the phosphorus removing agent for removing the phosphorus in the sewage damages the activity of microorganisms in the SBR tank, so that the phosphorus and other impurities in the sewage cannot be thoroughly removed.
Therefore, a technical scheme is needed at present to solve the problem that in the treatment of phosphorus-containing sewage, the phosphorus removing agent can destroy the activity of microorganisms in the SBR pool, so that phosphorus and impurities in the sewage cannot be thoroughly removed.
Disclosure of utility model
The utility model aims at: aiming at the problems that in the prior art, in the treatment of phosphorus-containing sewage, a phosphorus removing agent can damage the activity of microorganisms in an SBR pool, so that phosphorus and impurities in the sewage can not be thoroughly removed, the phosphorus-containing sewage treatment system is provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a phosphorus-containing sewage treatment system, includes SBR reaction tank and sewage jar, the sewage jar with SBR reaction tank intercommunication still includes the dosing tank, the dosing tank is used for loading the dephosphorization agent, the dosing tank intercommunication the sewage jar.
According to the phosphorus-containing sewage treatment system, the sewage tank and the dosing tank are arranged, after the sewage is introduced into the sewage tank, the dephosphorizing agent is added into the sewage tank through the dosing tank, phosphorus in the sewage is removed before the sewage enters the SBR reaction tank, a large amount of dephosphorizing agent is prevented from contacting microorganisms in the SBR reaction tank, and the microbial activity in the SBR reaction tank is ensured, so that phosphorus and other impurities in the sewage are removed more thoroughly.
As the preferable scheme of the utility model, the sewage treatment device also comprises a sampler, wherein the sampler is communicated with the liquid inlet end of the sewage tank. The phosphorus content in the sewage is detected every day through the sampler, so that the initial dosing proportion is determined, the phosphorus removal agent added into the sewage tank through the dosing tank is prevented from deviating greatly from the phosphorus content in the sewage, and the phosphorus content and the phosphorus removal agent content in the SBR reaction tank are further reduced.
As a preferable mode of the utility model, the sewage treatment device further comprises a dosing pump, wherein the dosing pump is arranged between the dosing tank and the sewage tank. The dosing pump is arranged to improve the dosing efficiency, meanwhile, the dosing proportion can be controlled by adjusting the power of the dosing pump, the dosing proportion is matched with the phosphorus content obtained by daily sampling detection, and the phosphorus content and the phosphorus remover content after sewage treatment are reduced.
As a preferable scheme of the utility model, the sewage tank comprises a tank A and a tank B, the medicine adding tank, the tank A, the tank B and the SBR reaction tank are sequentially communicated, a first valve is arranged between the tank A and the tank B, and a second valve is arranged at the water outlet end of the tank B. The sewage tank is divided into an independent tank A and an independent tank B, the dephosphorization reaction is carried out in the tank A, then the sewage is discharged into the tank B, when the content of phosphorus in the tank A or the content of the dephosphorization agent exceeds the standard, the sewage exceeding the standard part is reserved in the tank B, and the sewage in the tank B can be subjected to secondary treatment, so that the exceeding standard sewage is prevented from directly entering the SBR reaction tank.
As a preferable scheme of the utility model, the water outlet end of the tank A is connected with a phosphorus content detector. The phosphorus content detector detects the phosphorus content in sewage, and when the phosphorus content exceeds the standard, the first valve is closed, meanwhile, the power of the dosing pump is increased, and the amount of the phosphorus removing agent entering the tank A is increased, so that the phosphorus content in the tank A is reduced, and the sewage treatment standard is reached.
As the preferable scheme of the utility model, the water outlet end of the tank A is connected with a phosphorus removal agent content detector. The content detector detects the content of the dephosphorizing agent in the sewage, when the content of the dephosphorizing agent exceeds the standard, the first valve is closed, meanwhile, the power of the dosing pump is reduced, the amount of the dephosphorizing agent entering the tank A is reduced, the content of the residual dephosphorizing agent in the sewage is reduced, and a large amount of the dephosphorizing agent is prevented from entering the SBR reaction tank, so that the microbial activity is influenced.
As a preferable scheme of the utility model, the device further comprises a controller, wherein the first valve, the dosing pump, the phosphorus content detector and the phosphorus removal agent content detector are electrically connected with the controller. And the controller receives information fed back by the phosphorus content detector and the phosphorus removal agent content detector, and when the phosphorus content or the phosphorus removal agent content exceeds the standard, the power of the dosing pump and the opening and closing of the first valve are automatically regulated, so that the automatic control of the phosphorus content and the phosphorus removal agent content before sewage enters the SBR reaction tank is realized.
As a preferable scheme of the utility model, the SBR reaction tank comprises a plurality of unit tanks which are arranged in a row, and each unit tank is communicated with the sewage tank. The SBR reaction tank is formed by a plurality of unit tanks, and the plurality of unit tanks work simultaneously to enter water treatment, so that the sewage treatment efficiency is improved.
As a preferable scheme of the utility model, the water outlet end of the SBR reaction tank is connected with a quicksand filter. Filtering off the quicksand in the sewage, and facilitating the later-stage transportation and discharge of the sewage.
As a preferred scheme of the utility model, the system further comprises a monitoring pool, and the quicksand filter is communicated with the monitoring pool. Other indexes of the sewage can be detected in the monitoring pool for judging whether the sewage reaches the discharge standard, and if the sewage does not meet the discharge standard, the sewage in the monitoring pool is convenient to carry out secondary treatment.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
According to the application, the sewage tank and the dosing tank are arranged in front of the SBR reaction tank, and phosphorus in the sewage is removed by the phosphorus removing agent before the sewage enters the SBR reaction tank, so that a large amount of phosphorus removing agent is prevented from contacting with microorganisms in the SBR reaction tank, and the microbial activity in the SBR reaction tank is ensured, so that phosphorus and other impurities in the sewage are removed more thoroughly.
Drawings
FIG. 1 is a schematic diagram of a phosphorus-containing wastewater treatment system according to the present utility model;
the marks in the figure: 1-SBR reaction tank, 11-unit tank, 2-sewage tank, 21-A tank, 22-B tank, 3-dosing tank, 31-dosing pump, 4-sampler, 5-phosphorus content detector, 6-phosphorus remover content detector, 7-controller, 8-quicksand filter and 9-monitoring tank.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1, the phosphorus-containing sewage treatment system of the embodiment comprises an SBR reaction tank 1 and a sewage tank 2, wherein the sewage tank 2 is communicated with the SBR reaction tank 1, and further comprises a dosing tank 3, the dosing tank 3 is used for loading a phosphorus removing agent, and the dosing tank 3 is communicated with the sewage tank 2.
In the embodiment, after sewage is introduced into the sewage tank 2 by arranging the sewage tank 2 and the dosing tank 3, the dephosphorizing agent is added into the sewage tank 2 by the dosing tank 3, phosphorus in the sewage is removed before the sewage enters the SBR reaction tank 1, a large amount of dephosphorizing agent is prevented from contacting microorganisms in the SBR reaction tank, and the microbial activity in the SBR reaction tank 1 is ensured, so that phosphorus and other impurities in the sewage are removed more thoroughly.
Specifically, the device also comprises a sampler 4 and a dosing pump 31, wherein the sampler 4 is communicated with the liquid inlet end of the sewage tank 2, the content of phosphorus in the sewage is detected every day through the sampler 4, the dosing pump 31 is arranged between the dosing tank 3 and the sewage tank 2, the dosing efficiency is improved, and meanwhile, the dosing proportion can be controlled by adjusting the power of the dosing pump 31;
Further, the SBR reaction tank 1 comprises a plurality of unit tanks 11 which are arranged in a arrayed mode, each unit tank 11 is communicated with the sewage tank 2, the plurality of unit tanks 11 form the SBR reaction tank, and the plurality of unit tanks 11 work simultaneously to enter water treatment, so that sewage treatment efficiency is improved.
Furthermore, the water outlet end of the SBR reaction tank 1 is connected with a quicksand filter 8 for filtering quicksand in sewage, so that the later-stage conveying and the discharge of the sewage are facilitated.
Further, the sewage treatment device also comprises a monitoring pool 9, the quicksand filter 8 is communicated with the monitoring pool 9, other indexes of the sewage can be detected in the monitoring pool 9 and used for judging whether the sewage reaches the discharge standard, and if the sewage does not meet the discharge standard, the sewage in the monitoring pool 9 is convenient to carry out secondary treatment.
Example 2
As shown in fig. 1, in this embodiment, the difference from embodiment 1 is that the sewage tank 2 includes an a tank 21 and a B tank 22, the chemical adding tank 3, the a tank 21, the B tank 22 and the SBR reaction tank 1 are sequentially communicated, the chemical adding tank 3 is further communicated with the B tank 22, a first valve 211 is disposed between the a tank 21 and the B tank 22, and a second valve 221 is disposed at the water outlet end of the B tank 22.
In this embodiment, the sewage tank 2 is divided into an independent tank a 21 and an independent tank B22, the dephosphorization reaction is performed in the tank a 21, then the sewage is discharged into the tank B22, when the content of phosphorus or the content of the dephosphorization agent in the tank a 21 is found to be out of standard, the out-of-standard part of the sewage is remained in the tank B22, and the sewage in the tank B22 can be subjected to secondary treatment, so that the out-of-standard sewage is prevented from directly entering the SBR reaction tank 1.
Example 3
As shown in fig. 1, the difference between this embodiment and embodiment 2 is that the outlet end of the a tank 21 is connected with a phosphorus content detector 5 and a phosphorus removal agent content detector 6.
When the phosphorus content detector is used, the phosphorus content detector 5 specifically adopts a water quality on-line monitor, and the model is as follows: JC-WT5621 detects the phosphorus content in the sewage, when the phosphorus content exceeds the standard, closes the first valve 211, increases the power of the dosing pump 31, and increases the amount of the phosphorus removing agent entering the A tank 21 so as to reduce the phosphorus content in the A tank 21 and reach the sewage treatment standard; the main component of the dephosphorizing agent is polyaluminum chloride, and the dephosphorizing agent content detector 6 specifically adopts a flocculating agent concentration detector, and the model is: and (3) detecting the content of polyaluminium chloride in the sewage by CYR-G-ALCL3, closing the first valve 211 when the content of the dephosphorizing agent exceeds the standard, and simultaneously reducing the power of the dosing pump 31, and reducing the amount of the dephosphorizing agent entering the tank A21 so as to reduce the content of residual dephosphorizing agent in the sewage and avoid that a large amount of dephosphorizing agent enters the SBR reaction tank 1 to influence the microbial activity.
Further, the device also comprises a controller 7, wherein a PLC controller is adopted, and the model is as follows: s7-200PLC, the first valve 211, the dosing pump 31, the phosphorus content detector 5 and the phosphorus removal agent content detector 6 are all electrically connected with the controller 7, the controller 7 receives information fed back by the phosphorus content detector 5 and the phosphorus removal agent content detector 6, and when the phosphorus content or the phosphorus removal agent content exceeds the standard, the power of the dosing pump 31 and the opening and closing of the first valve 211 are automatically regulated, so that the automatic control of the phosphorus content and the phosphorus removal agent content before sewage enters the SBR reaction tank is realized.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The utility model provides a phosphorus-containing sewage treatment system, its characterized in that includes SBR reaction tank (1) and sewage jar (2), sewage jar (2) with SBR reaction tank (1) intercommunication still includes dosing tank (3), dosing tank (3) are used for loading the dephosphorization agent, dosing tank (3) intercommunication sewage jar (2), still include dosing pump (31), dosing pump (31) set up dosing tank (3) with between sewage jar (2), sewage jar (2) include A jar (21) and B jar (22), dosing tank (3), A jar (21), B jar (22) and SBR reaction tank (1) communicate in proper order, be equipped with first valve (211) between A jar (21) and B jar (22), B jar (22) play water end is equipped with second valve (221).
2. The phosphorus-containing wastewater treatment system of claim 1, further comprising a sampler (4), wherein the sampler (4) is in communication with the wastewater tank (2) at a liquid inlet end.
3. The phosphorus-containing sewage treatment system according to claim 1, wherein the water outlet end of the tank a (21) is connected with a phosphorus content detector (5).
4. A phosphorus-containing sewage treatment system according to claim 3, wherein the outlet end of the tank a (21) is connected with a phosphorus removal agent content detector (6).
5. The phosphorus-containing wastewater treatment system of claim 4, further comprising a controller (7), wherein the first valve (211), the dosing pump (31), the phosphorus content detector (5) and the phosphorus scavenger content detector (6) are electrically connected to the controller (7).
6. The phosphorus-containing wastewater treatment system according to claim 1, wherein the SBR reaction tank (1) comprises a plurality of unit tanks (11) arranged in a row, each of the unit tanks (11) being in communication with the wastewater tank (2).
7. The phosphorus-containing sewage treatment system according to any one of claims 1 to 6, wherein the water outlet end of the SBR reaction tank (1) is connected with a quicksand filter (8).
8. The phosphorus-containing wastewater treatment system of claim 7, further comprising a monitoring tank (9), wherein the quicksand filter (8) is in communication with the monitoring tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322515979.3U CN220788331U (en) | 2023-09-15 | 2023-09-15 | Phosphorus-containing sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322515979.3U CN220788331U (en) | 2023-09-15 | 2023-09-15 | Phosphorus-containing sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220788331U true CN220788331U (en) | 2024-04-16 |
Family
ID=90663795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322515979.3U Active CN220788331U (en) | 2023-09-15 | 2023-09-15 | Phosphorus-containing sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220788331U (en) |
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2023
- 2023-09-15 CN CN202322515979.3U patent/CN220788331U/en active Active
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