CN208603831U - A kind of A/O sewage-treatment plant - Google Patents
A kind of A/O sewage-treatment plant Download PDFInfo
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- CN208603831U CN208603831U CN201820980960.2U CN201820980960U CN208603831U CN 208603831 U CN208603831 U CN 208603831U CN 201820980960 U CN201820980960 U CN 201820980960U CN 208603831 U CN208603831 U CN 208603831U
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- sewage
- anoxic pond
- buffer pool
- mlss
- atp
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Abstract
The utility model discloses a kind of A/O sewage-treatment plants, including sequentially connected water feed apparatus, aerobic tank and sedimentation basin, wherein, the water feed apparatus includes flow controller and the anoxic pond being arranged in parallel and buffer pool, wherein, the anoxic pond and the buffer pool are connect with the aerobic tank respectively, and the flow controller is connect with the entrance of the anoxic pond and the buffer pool respectively, for controlling the sewage influx of the anoxic pond and the buffer pool；It is provided with MLSS meter and ATP meter in the anoxic pond, is respectively used to measure the MLSS concentration of the treatment sewage and ATP concentration；Further include control centre, is connect respectively with MLSS meter, ATP meter and the flow controller, for controlling the discharge of sewage into the anoxic pond and the buffer pool.The adjusting of inflow can be carried out according to the activity of sludge using the utility model A/O sewage-treatment plant, while there is stronger adaptibility to response to sudden load change.
Description
Technical field
The utility model relates to technical field of sewage, and in particular to a kind of A/O sewage-treatment plant and sewage treatment
Technique.
Background technique
When entering natural water rich in N, the sanitary wastewater of P element or industrial wastewater, the eutrophication of water body will cause
Pollution, A/O technique are one of current most widely used denitrification dephosphorization techniques.But A/O technique itself there are many limitations because
Element, the variation fluctuation for making its denitrogenation dephosphorizing efficiency be unable to get further promotion, especially influent quality directly affect its denitrogenation
Dephosphorization efficiency, problem is continuous in actual moving process.
It is apparent that reactor for treatment load sharply increases when wastewater flow rate sharply increases or the substrate concentration of waste water rises,
Microbial activity is limited, and high load capacity easily causes sludge to expand, and forms vicious circle, is discharged not up to standard.Currently, engineer application
In existing relevant counter-measure repaired for above situation, but a large amount of manpower and material resources can be consumed in governance process,
Increase considerably operating cost.
Therefore, how based on technique itself the engineer application the problem of, seek more effective measures and set from technique
The application of meter end bond material and the design of intelligence control system are improved, and are reduced the outburst rate of malignant problem, are only solution
The basic place of engineering problem.
Utility model content
The main purpose of the utility model is that overcoming existing A/O technique defect present in engineer application, one is provided
Kind A/O sewage-treatment plant and sewage treatment process can have sudden load change relatively strong according to the Active Regulation influent load of sludge
Adaptibility to response, more practicability.
The technical solution of the utility model is as follows:
A kind of A/O sewage-treatment plant, including sequentially connected water feed apparatus, aerobic tank and sedimentation basin, wherein it is described into
Water installations include flow controller and the anoxic pond being arranged in parallel and buffer pool, wherein the anoxic pond and the buffer pool point
It is not connect with the aerobic tank, the flow controller is connect with the entrance of the anoxic pond and the buffer pool respectively, is used for
Control the sewage influx of the anoxic pond and the buffer pool.
As a kind of perferred technical scheme, it is provided with MLSS meter and ATP meter in the anoxic pond, is respectively used to measurement institute
State the MLSS concentration and ATP concentration for the treatment of sewage；
As a kind of perferred technical scheme, further include control centre, counted respectively with the MLSS, the ATP is counted and institute
Flow controller connection is stated, for controlling the discharge of sewage into the anoxic pond and the buffer pool.
As a kind of perferred technical scheme, nitrification liquid reflux is additionally provided between the aerobic tank and the anoxic pond
Pipe, is additionally provided with mud return line between the sedimentation basin and the anoxic pond.
As a kind of perferred technical scheme, aeration tube is provided in the buffer pool.
As a kind of perferred technical scheme, it is provided with fiberfill in the aerobic tank, and the fiberfill is filled out
Filling rate is 30-75%.
As a kind of perferred technical scheme, the fiberfill is basalt fibre, in activated carbon fibre, wood-fibred
It is any.
A kind of A/O sewage treatment process, includes the following steps:
Step 1, treatment sewage by the flow controller enter the anoxic pond, and by the MLSS meter and
ATP meter carries out the measurement of MLSS concentration and ATP concentration；
Step 2 is obtained MLSS concentration and ATP concentration that the step 1 measures by the control centre, and passes through control
The flow controller carries out the anoxic pond, the sewage of the buffer pool enters the control of flow；
Step 3 enters the aerobic tank by Aerobic Process for Treatment by the sewage that the anoxic pond and the buffer pool are handled；
Step 4, the sewage by Aerobic Process for Treatment in the step 3 enter the sedimentation basin, at separation of solid and liquid
Reason completes sewage treatment.
It as a kind of perferred technical scheme, further include step 5, in the nitrification liquid, the sedimentation basin in the aerobic tank
Sludge reflux into the anoxic pond.
As a kind of perferred technical scheme, in the step 2, as ATP concentration/MLSS concentration < 1.4,40%≤lack
When the sewage influx/total flow≤60%, 1.4 in oxygen pond≤ATP concentration/MLSS concentration < 2.2, the sewage stream of 60%≤anoxic pond
When entering amount/total flow≤80%, ATP concentration/MLSS concentration >=2.2, sewage influx/total flow of 80%≤anoxic pond≤
100%。
By adopting the above technical scheme, it can be realized following technical effect:
1) MLSS meter and ATP meter, are equipped in anoxic pond and judges sludge activity for measuring sludge concentration, according to this two
A value may determine that the removal ability of microbe matter in anoxic pond, adjusts distribution using flow controller and enters anoxic
The wastewater flow rate in pond and buffer pool, the load of anoxic pond and the processing capacity of sludge are corresponding, improve treatment effeciency；
2), for the waste water in the buffer pool being arranged in parallel with anoxic pond after being aerated, water correction reduces biochemical reaction tank
Load, alleviate sludge bulking, the part water carbon source is relatively sufficient, can promote sludge concentration into aerobic tank, raising processing
Efficiency, further, since the presence of buffer pool, the ability for coping with sudden load change is greatly improved；
3), the setting of fiberfill is being gathered after the sludge adhered in fiberfill reaches certain thickness in aerobic tank
Fiberfill inside form anaerobic environment, when the apposition growth of sludge and peeling form dynamic equilibrium in fiberfill
Anaerobic and aerobic processing steadily is carried out simultaneously, further increases sewage treating efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model A/O sewage-treatment plant；
Fig. 2 is the process flow chart of the utility model A/O sewage treatment process；
Wherein, 1- flow controller, 2- buffer pool, 3- anoxic pond, 31-MLSS meter, 32-ATP meter, 4- aerobic tank, 5- are heavy
Shallow lake pond, 6- control centre.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
To according to the utility model proposes A/O sewage-treatment plant and sewage treatment process its specific embodiment, feature and its function
Effect, detailed description is as follows.
As shown in Figure 1, the utility model discloses a kind of A/O sewage-treatment plant, including sequentially connected water feed apparatus,
Aerobic tank 4 and sedimentation basin 5, wherein water feed apparatus includes flow controller 1 and the anoxic pond 3 that is arranged in parallel and buffer pool 2,
In, anoxic pond 3 and buffer pool 2 are connect with aerobic tank 4 respectively, the entrance with anoxic pond 3 and buffer pool 2 respectively of flow controller 1
Connection, for controlling the sewage influx of anoxic pond 3 and buffer pool 2；
Be provided in anoxic pond 3 MLSS count 31 and ATP meter 32, be respectively used to measurement treatment sewage MLSS concentration and
ATP concentration；
Further include control centre 6, is connect respectively with MLSS meter 31, ATP meter 32 and flow controller 1, for receiving MLSS
The MLSS concentration and ATP concentration that meter 31, ATP meter 32 measure, and then control the discharge of sewage for entering anoxic pond 3 and buffer pool 2.
As a kind of perferred technical scheme, it is additionally provided with nitrification liquid return pipe between aerobic tank 4 and anoxic pond 3, precipitates
Be additionally provided with mud return line between pond 5 and anoxic pond 3, be respectively used to for the nitrification liquid in aerobic tank 4 to be back to anoxic pond 3,
By the sludge reflux in sedimentation basin 5 into anoxic pond 3, to realize that denitrifying bacterium removes the nitrate nitrogen in anoxic pond 3, nitrifier
It by nitrifier by mineralized nitrogen is nitrate nitrogen in aerobic tank 4, it is final to realize effectively removing for the ammonia nitrogen in sewage.
As a kind of perferred technical scheme, be provided with aeration tube in buffer pool 2, to enter buffer pool 2 in sewage into
Row Air Exposure.
As a kind of perferred technical scheme, fiberfill is provided in aerobic tank 4, and the filling rate of fiberfill is
30-75%, specifically, the volume of fiberfill accounts for the 30-75% of 4 total volume of aerobic tank, fiberfill can realize the dirt in sewage
The accumulation of mud, to can reach absorption and decompose the effect of the organic pollutant in sewage.
As a kind of perferred technical scheme, fiberfill is basalt fibre, activated carbon fibre, any in wood-fibred
Kind, the basalt fibre being preferably modified, with good bioaffinity.
As shown in Fig. 2, including the following steps: the invention also discloses a kind of A/O sewage treatment process
Step 1, treatment sewage by flow controller 1 enter anoxic pond 3, and by MLSS count 31 and ATP count 32 into
The measurement of row MLSS concentration and ATP concentration；
Step 2, the MLSS concentration and ATP concentration measured by 6 obtaining step 1 of control centre, and pass through control flow control
Device 1 processed carries out anoxic pond 3, the sewage of buffer pool 2 enters the control of flow, to realize according to sewage quality to entering anoxic pond
Effective control of 3 sewage improves treatment effeciency so that the load of anoxic pond 3 and the processing capacity of sludge are corresponding；
Step 3 enters aerobic tank 4 by Aerobic Process for Treatment by the sewage that anoxic pond 3 and buffer pool 2 are handled, wherein buffering
Sewage in pond 2 is after Air Exposure, water correction, reduces the load of biochemical reaction tank, alleviates sludge bulking, the portion
Divide water carbon source relatively sufficient, sludge concentration can be promoted into aerobic tank 4, so that treatment effeciency is improved, in addition, buffer pool 2 is set
The sewage quantity that can be buffered into anoxic pond 3 is set, so that the ability of device reply sudden load change greatly promotes；
Step 4, the sewage by Aerobic Process for Treatment in step 3 enter sedimentation basin 5, by solid-liquid separation treatment, complete sewage
Processing.
It as a kind of perferred technical scheme, further include step 5, the sludge in nitrification liquid, sedimentation basin 5 in aerobic tank 4
It is back in anoxic pond 3.
As a kind of perferred technical scheme, in step 2, as ATP concentration/MLSS concentration < 1.4,40%≤anoxic pond 3
Sewage influx/total flow≤60%, 1.4≤ATP concentration/MLSS concentration < 2.2 when, the sewage of 60%≤anoxic pond 3 flows into
When amount/total flow≤80%, ATP concentration/MLSS concentration >=2.2, sewage influx/total flow of 80%≤anoxic pond 3≤
100%, specifically, as ATP concentration/MLSS concentration < 1.4, the water inlet ratio of anoxic pond 3 and buffer pool 2 be 6:4 to 4:6 it
Between, when 1.4≤ATP concentration/MLSS concentration < 2.2, the water inlet ratio of anoxic pond 3 and buffer pool 2 is between 8:2 to 6:4, ATP
When concentration/MLSS concentration >=2.2, the water inlet ratio of anoxic pond 3 and buffer pool 2 is between 10:0 to 8:2.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not intended to limit the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment for being modified or being modified to equivalent variations, but all without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (6)
1. a kind of A/O sewage-treatment plant, which is characterized in that including sequentially connected water feed apparatus, aerobic tank (4) and sedimentation basin
(5), wherein the water feed apparatus includes flow controller (1) and the anoxic pond (3) being arranged in parallel and buffer pool (2), wherein
The anoxic pond (3) and the buffer pool (2) are connect with the aerobic tank (4) respectively, the flow controller (1) respectively with institute
It states anoxic pond (3) to connect with the entrance of the buffer pool (2), for controlling the dirt of the anoxic pond (3) and the buffer pool (2)
Water influx.
2. A/O sewage-treatment plant according to claim 1, which is characterized in that be provided with MLSS in the anoxic pond (3)
(31) and ATP meter (32) are counted, the MLSS concentration and ATP concentration of measurement treatment sewage are respectively used to.
3. A/O sewage-treatment plant according to claim 2, which is characterized in that further include control centre (6), respectively with
The MLSS meter (31), ATP meter (32) and the flow controller (1) connection, enter the anoxic pond (3) for controlling
With the discharge of sewage of the buffer pool (2).
4. A/O sewage-treatment plant according to claim 1, which is characterized in that the aerobic tank (4) and the anoxic pond
(3) it is additionally provided with nitrification liquid return pipe between, is additionally provided with sludge reflux between the sedimentation basin (5) and the anoxic pond (3)
Pipe.
5. A/O sewage-treatment plant according to claim 1, which is characterized in that be provided with aeration in the buffer pool (2)
Pipe.
6. A/O sewage-treatment plant according to claim 1, which is characterized in that be provided with the Black Warrior in the aerobic tank (4)
Rock fiberfill, and the filling rate of the basalt fibre filler is 30-75%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820980960.2U CN208603831U (en) | 2018-06-22 | 2018-06-22 | A kind of A/O sewage-treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820980960.2U CN208603831U (en) | 2018-06-22 | 2018-06-22 | A kind of A/O sewage-treatment plant |
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| Publication Number | Publication Date |
|---|---|
| CN208603831U true CN208603831U (en) | 2019-03-15 |
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ID=65665451
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| CN201820980960.2U Active CN208603831U (en) | 2018-06-22 | 2018-06-22 | A kind of A/O sewage-treatment plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585205A (en) * | 2018-06-22 | 2018-09-28 | 江苏艾特克环境工程设计研究院有限公司 | A kind of A/O sewage-treatment plants and sewage treatment process |
| CN111606503A (en) * | 2020-05-20 | 2020-09-01 | 苏州首创嘉净环保科技股份有限公司 | Utilize external bypass system to adjust sewage treatment plant of carbon-nitrogen ratio |
| CN115072876A (en) * | 2022-07-20 | 2022-09-20 | 长春工程学院 | Method for inhibiting filamentous bacterium sludge bulking through sectional water inflow and application thereof |
-
2018
- 2018-06-22 CN CN201820980960.2U patent/CN208603831U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585205A (en) * | 2018-06-22 | 2018-09-28 | 江苏艾特克环境工程设计研究院有限公司 | A kind of A/O sewage-treatment plants and sewage treatment process |
| CN108585205B (en) * | 2018-06-22 | 2023-06-16 | 江苏艾特克环境工程设计研究院有限公司 | A/O sewage treatment device and sewage treatment process |
| CN111606503A (en) * | 2020-05-20 | 2020-09-01 | 苏州首创嘉净环保科技股份有限公司 | Utilize external bypass system to adjust sewage treatment plant of carbon-nitrogen ratio |
| CN115072876A (en) * | 2022-07-20 | 2022-09-20 | 长春工程学院 | Method for inhibiting filamentous bacterium sludge bulking through sectional water inflow and application thereof |
| CN115072876B (en) * | 2022-07-20 | 2023-12-08 | 长春工程学院 | Method for inhibiting filamentous fungus sludge expansion by segmented water inflow and application thereof |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20210727 Address after: No.68, Yigao Road, foreign invested industrial park, Gaocheng Town, Yixing City, Wuxi City, Jiangsu Province Patentee after: JIANGSU ATK ENVIRONMENTAL ENGINEERING Ltd. Address before: 214201 No. 68, Yigao Road, foreign investment Industrial Park, Gaocheng Town, Yixing City, Wuxi City, Jiangsu Province Patentee before: JIANGSU ATK ENVIRONMENTAL ENGINEERING DESIGN & RESEARCH INSTITUTE Co.,Ltd. Patentee before: JIANGSU University Patentee before: ATK HOLDINGS GROUP Co.,Ltd. |