CN209368051U - A kind of reinforced phosphor-removing A2O-MBBR sewage-treatment plant - Google Patents
A kind of reinforced phosphor-removing A2O-MBBR sewage-treatment plant Download PDFInfo
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- CN209368051U CN209368051U CN201820846612.6U CN201820846612U CN209368051U CN 209368051 U CN209368051 U CN 209368051U CN 201820846612 U CN201820846612 U CN 201820846612U CN 209368051 U CN209368051 U CN 209368051U
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Abstract
The purpose of this utility model is to provide a kind of reinforced phosphor-removing A2O-MBBR sewage-treatment plant, including biochemical reaction zone, sedimentation basin, flocculation tank and equipment room, biochemical reaction zone is divided into anaerobic pond, anoxic pond, aerobic tank one and aerobic tank two by partition, floating stuffing and boring aeration pipe one are provided in aerobic tank one and aerobic tank two, stripping reflux device one is provided in aerobic tank two, stripping reflux device two is provided in sedimentation basin, it is provided with boring aeration pipe two in flocculation tank, air blower, dephosphorization chemicals dosing plant, filtered water inlet pump, self-cleaning filter are provided in equipment room.
Description
Technical field
The utility model belongs to sewage treatment field, and in particular to a kind of reinforced phosphor-removing A2O-MBBR sewage-treatment plant.
Background technique
In recent years, water eutrophication phenomenon in China's is increasingly severe, and country increasingly proposes the standard of sewage treatment discharge
Height, currently, national large number of middle-size and small-size villages and small towns Sewage Disposal also starts to execute " urban wastewater treatment firm pollutant emission
Standard " (GB18918-2002) level-one A standard, to sewage treatment water outlet COD, especially total nitrogen and total phosphorus discharge propose
Higher requirement.
These middle-size and small-size villages and small towns Sewage Treatment Projects generally use integration apparatus and are handled, still, at existing sewage
The generally existing water outlet nitrogen of reason device, phosphorus is exceeded or process flow is complicated, takes up a large area, and operation energy consumption is higher, management service is multiple
The problems such as miscellaneous.
Utility model content
The purpose of this utility model is to provide a kind of reinforced phosphor-removing A2O-MBBR sewage-treatment plant, the device are mainly answered
For handling the villages and small towns sewage of middle-size and small-size scale.The device is by A2O technique and MBBR technique organically combine, to pond type, planar cloth
Office and waterpower form optimization design, mixed liquor reflux use stripping reflux mode, use chemical precipitating flocculation to bio-chemical effluent
Add the technology of micro-filtration, realize reinforced phosphor-removing, treatment effeciency not only is greatly improved, system water outlet nitrogen and phosphorus indexes reach level-one A
Standard, and realize Integrated optimization design and integrate, compensate for the deficiency of existing sewage-treatment plant.Existing apparatus is compared,
The advantages that with effluent quality high-quality stable, occupied area is small, and operating cost is low, and construction and installation are convenient, and operation and maintenance are simple, tool
There is preferable innovative and stronger practicability.
The utility model discloses a kind of reinforced phosphor-removing A2O-MBBR sewage-treatment plant, described device include biochemical reaction
Area, sedimentation basin, flocculation tank and equipment room, the biochemical reaction zone are divided into anaerobic pond, anoxic pond, aerobic tank by partition
One and aerobic tank two, floating stuffing and boring aeration pipe one are provided in the aerobic tank one and aerobic tank two, and described is good
It is provided with stripping reflux device one in oxygen pond two, stripping reflux device two, the flocculation tank are provided in the sedimentation basin
It is inside provided with boring aeration pipe two, air blower, dephosphorization chemicals dosing plant, filtered water inlet are provided in the equipment room and is pumped, from clearly
Wash filter.It is characterized in that the anaerobic pond and anoxic pond is located side by side at the centre of the biochemical reaction zone, described is good
Oxygen pond one and aerobic tank two are located at the two sides of the biochemical reaction zone, and the anaerobic pond and the anoxic pond connect
Logical, the anoxic pond side is connected to the aerobic tank one, and the aerobic tank two is connected to the sedimentation basin, described
Sedimentation basin be connected to the flocculation tank, the flocculation tank is pumped by pipeline and the filtered water inlet to be connected
Logical, the filtered water inlet pump is connected to by pipeline with the self-cleaning filter, the aerobic tank one with it is described good
The connection of oxygen pond two-way piping, one top of stripping reflux device are connected to the anoxic pond by pipeline, the gas
It mentions one lower part of return channel to be connected to the air blower by pipeline, two top of stripping reflux device and the anaerobic pond
It is connected to by pipeline, two lower part of stripping reflux device is connected to the air blower by pipeline, the boring aeration
Air blower described in Guan Yiyu is connected to by pipeline, and the boring aeration pipe two is connected to the air blower by pipeline,
The dephosphorization chemicals dosing plant is connected to the flocculation tank by pipeline, and the self-cleaning filter filtration grade is
Micron order.
The present apparatus for handle sewage when, sewage initially enters anaerobic pond, then flow sequentially through anoxic pond, aerobic tank one,
Aerobic tank two carries out biochemical treatment, goes the organic pollutants such as COD, the nitrification during biochemical treatment in aerobic tank two in water removal
Mixed liquor precipitates the precipitating sludge of bottom of pond portion by continuous air lift to anaerobic pond, to realize A by continuous air lift to anoxic pond2O is raw
The purpose of object denitrogenation dephosphorizing, the muddy water mixed solution after biochemical treatment enter sedimentation basin and carry out mud-water separation, the supernatant after precipitating
Liquid water outlet enters flocculation tank, and Dephosphorization reagent also enters flocculation tank by chemicals dosing plant, in the work of hydraulic mixing mixing
Under, Dephosphorization reagent is sufficiently reacted with soluble phosphate in water, is flocculated through precipitating, and phosphate insoluble matter floccule body is formed, then
Enter self-cleaning filter by filtered water inlet pump pressurization, the flocculated particles in water are trapped removal, filter standard water discharge row
It puts, to realize the purpose of reinforced phosphor-removing.
The utility model compared with the prior device, it have it is following the utility model has the advantages that 1, by A2O technique and the organic knot of MBBR technique
It closes, to pond type, plane figure and waterpower form optimization design, aerobic tank is made to be enclosed in anaerobic pond and anoxic pond two sides, Ji Nengrang
Aerobic tank forms cyclic annular pulling flow type waterpower form, avoids short stream, is conducive to form concentration gradient in aerobic tank, and can allow aerobic
The mixing nitrification liquid of pond end is back to anoxic pond nearby, ensure that stripping reflux reliability, saves air lift air capacity, existing
Effect improves treatment effeciency, and saves land occupation and operating cost.2, using the flocculation of chemical precipitating plus the reinforced phosphor-removing of micro-filtration
Technology effectively increases the removal rate of total phosphorus, and the removal of total phosphorus is made to eliminate the reliance on the ratio of influent density and carbon nitrogen phosphorus.3, the dress
Set compact-sized, integrated degree is high, and occupied area is small, and construction and installation are convenient.4, treatment process automatic operating is not necessarily to people
Work intervention and on duty, operation and maintenance are simple.
Detailed description of the invention: Fig. 1 is the Structure of cross section schematic diagram of the utility model；
Fig. 2 is the longitudal section structural schematic diagram of the utility model.
Specific embodiment: the utility model is described in further detail for specific embodiment with reference to the accompanying drawing, Fig. 1, Fig. 2
Shown structure is the one of preferred structure of the utility model, it is a kind of reinforced phosphor-removing A2O-MBBR sewage-treatment plant,
It is good mainly including anaerobic pond 1, anoxic pond 2, aerobic tank 3-1 and aerobic tank 3-2, sedimentation basin 4, flocculation tank 5 and equipment room 6
It is provided with floating stuffing 7 and boring aeration pipe 8-1 in oxygen pond 3-1 and aerobic tank 3-2, is provided with stripping reflux in aerobic tank 3-2
Device 9-1 is provided with stripping reflux device 9-2 in sedimentation basin 4, is provided with boring aeration pipe 8-2 in flocculation tank 5, in equipment room 6
It is provided with air blower 10, dephosphorization chemicals dosing plant 11, filtered water inlet and pumps 12, self-cleaning filter 13.Anaerobic pond 1 and anoxic pond 2 are simultaneously
It ranks in the centre of biochemical reaction zone, aerobic tank 3-1 and aerobic tank 3-2 are located at the two sides of biochemical reaction zone, 1 He of anaerobic pond
Anoxic pond 2 is connected to, and 2 side of anoxic pond is connected to aerobic tank 3-1, and aerobic tank 3-2 is connected to sedimentation basin 4, and sedimentation basin 4 and flocculation are anti-
Pond 5 is answered to be connected to, flocculation tank 5 is connected to by pipeline with filtered water inlet pump 12, and filtered water inlet pump 12 passes through pipeline and self-cleaning
Filter 13 is connected to, and aerobic tank 3-1 is connected to aerobic tank 3-2 by pipeline, and the stripping reflux top device 9-1 passes through with anoxic pond 2
Pipeline connection, the stripping reflux lower part device 9-1 are connected to air blower 10 by pipeline, and the stripping reflux top device 9-2 and anaerobic pond 1 are logical
Piping connection, the stripping reflux lower part device 9-2 are connected to air blower 10 by pipeline, and boring aeration pipe 8-1 and air blower 10 are logical
Piping connection, boring aeration pipe 8-2 are connected to air blower 10 by pipeline, and dephosphorization chemicals dosing plant 11 and flocculation tank 5 are logical
Piping connection, 13 filtration grade of self-cleaning filter are 20 microns.
Claims (2)
1. a kind of reinforced phosphor-removing A2O-MBBR sewage-treatment plant, it is characterised in that anti-including biochemical reaction zone, sedimentation basin, flocculation
Ying Chi and equipment room, the biochemical reaction zone are divided into anaerobic pond, anoxic pond, aerobic tank one and aerobic tank two, institute by partition
It is provided with floating stuffing and boring aeration pipe one in the aerobic tank one and aerobic tank two stated, is provided with gas in the aerobic tank two
Return channel one is mentioned, stripping reflux device two is provided in the sedimentation basin, is provided with boring aeration in the flocculation tank
Pipe two is provided with air blower, dephosphorization chemicals dosing plant, filtered water inlet pump, self-cleaning filter in the equipment room.
2. a kind of reinforced phosphor-removing A according to claim 12O-MBBR sewage-treatment plant, it is characterised in that the anaerobism
Pond and anoxic pond are located side by side at the centre of the biochemical reaction zone, and the aerobic tank one and aerobic tank two are located at described
The two sides of biochemical reaction zone, the anaerobic pond are connected to the anoxic pond, the anoxic pond side with it is described aerobic
Pond one is connected to, and the aerobic tank two is connected to the sedimentation basin, and the sedimentation basin is connected to the flocculation tank,
The flocculation tank be connected to by pipeline with the described filtered water inlet pump, the filtered water inlet pump pass through pipeline with it is described
Self-cleaning filter connection, the aerobic tank one is connected to the aerobic tank two-way piping, the stripping reflux
One top of device is connected to the anoxic pond by pipeline, and one lower part of stripping reflux device and the air blower pass through pipe
Road connection, two top of stripping reflux device is connected to the anaerobic pond by pipeline, under the stripping reflux device two
Portion is connected to the air blower by pipeline, and the boring aeration pipe one is connected to the air blower by pipeline, institute
The boring aeration pipe two stated is connected to the air blower by pipeline, the dephosphorization chemicals dosing plant and the flocculation reaction
Pond is connected to by pipeline, and the self-cleaning filter filtration grade is micron order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820846612.6U CN209368051U (en) | 2018-06-02 | 2018-06-02 | A kind of reinforced phosphor-removing A2O-MBBR sewage-treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820846612.6U CN209368051U (en) | 2018-06-02 | 2018-06-02 | A kind of reinforced phosphor-removing A2O-MBBR sewage-treatment plant |
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| Publication Number | Publication Date |
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| CN209368051U true CN209368051U (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820846612.6U Active CN209368051U (en) | 2018-06-02 | 2018-06-02 | A kind of reinforced phosphor-removing A2O-MBBR sewage-treatment plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550811A (en) * | 2018-06-02 | 2019-12-10 | 无锡博美环境科技有限公司 | A 2 O-MBBR sewage treatment plant with strengthen dephosphorization function |
| CN110642476A (en) * | 2019-10-30 | 2020-01-03 | 重庆郅治环保科技有限公司 | Multistage A/O sewage treatment system |
-
2018
- 2018-06-02 CN CN201820846612.6U patent/CN209368051U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550811A (en) * | 2018-06-02 | 2019-12-10 | 无锡博美环境科技有限公司 | A 2 O-MBBR sewage treatment plant with strengthen dephosphorization function |
| CN110642476A (en) * | 2019-10-30 | 2020-01-03 | 重庆郅治环保科技有限公司 | Multistage A/O sewage treatment system |
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