CN209276312U - A kind of A2/ O integrated biological denitrification dephosphorization processing unit - Google Patents
A kind of A2/ O integrated biological denitrification dephosphorization processing unit Download PDFInfo
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- CN209276312U CN209276312U CN201821628949.6U CN201821628949U CN209276312U CN 209276312 U CN209276312 U CN 209276312U CN 201821628949 U CN201821628949 U CN 201821628949U CN 209276312 U CN209276312 U CN 209276312U
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- water inlet
- anoxic
- anaerobism
- oxygen
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Abstract
Anaerobic pond dissolved oxygen content is higher during the utility model solves sanitary sewage disposal, the problem of phosphor-removing effect difference.Provide a kind of A2/ O integrated biological denitrification dephosphorization processing unit, it from left to right successively include anoxic section, anaerobism section and oxygen section, aerobic section and precipitating phase, anoxic section is equipped with water inlet, it is provided with anoxic section water inlet pipe on water inlet and anaerobism section water inlet pipe is connect with anoxic section and anaerobism section respectively, outlet pipe is equipped between adjacent two sections, precipitating phase is equipped between the outer comb of sludge and water outlet, and oxygen section and aerobic section and is equipped with aeration tube and mixed liquor return pipe, and mud return line is equipped between anoxic section and precipitating phase.The utility model can optimize carbon source distribution by segmental influent, rationally control anaerobism section and simultaneous oxygen section dissolved oxygen concentration, denitrification dephosphorization can be achieved, using new " microenvironment " of the biofilm formation adhered on hollow sphere, realize simultaneous nitrification and denitrification denitrogenation.
Description
Technical field
The utility model relates to a kind of sewage-treatment plants, more particularly to a kind of A2At/O integrated biological denitrification dephosphorization
Manage device.
Background technique
Small-sized sanitary sewage integrated sewage treating apparatus is quickly grown in recent years, is reached to the degradation of COD and ammonia nitrogen
Preferable effect, but dephosphorization mostly uses greatly the chemical treatments of dosing to degrade, and biological phosphor-removing effect is not good enough.
Current small-sized sanitary sewage integrated apparatus mostly uses single filling carrier in each segmentation, and technique is more single,
As current Effluent criteria is gradually stringent, single treatment technique has been unable to meet the trend of era development, coupling technique series connection, association
It is become more and more important with processing.The utility model relates to biofilm and biological fluidized bed synergy, in conjunction with the two advantage,
It develops a kind of to relatively low C/N more preferably than sanitary sewage disposal effect sewage treatment process.
Utility model content
For solve anaerobic pond dissolved oxygen content during sanitary sewage disposal higher, the problem of phosphor-removing effect difference, this reality
A kind of A is provided with novel2/ O integrated biological denitrification dephosphorization processing unit.
The purpose of this utility model is achieved through the following technical solutions: a kind of A2At/O integrated biological denitrification dephosphorization
Device is managed, from left to right successively includes anoxic section, anaerobism section and oxygen section, aerobic section and precipitating phase, anoxic section is equipped with water inlet
Mouthful, anoxic section water inlet pipe is provided on water inlet and anaerobism section water inlet pipe is connect with anoxic section and anaerobism section respectively, adjacent two sections
Between be equipped with outlet pipe, precipitating phase is equipped between the outer comb of sludge and water outlet, and oxygen section and aerobic section and is equipped with aeration tube
With mixed liquor return pipe, mud return line is equipped between anoxic section and precipitating phase.
Preferably, water inlet, which is equipped with flow controller, enters the 10%-15% of total flow by anoxic section water inlet pipe
The 85%-90% of anoxic section, total flow enters anaerobism section by anaerobism section water inlet pipe.
Preferably, anoxic section hydraulic detention time is 1 hour.
Preferably, anoxic section, anaerobism section and simultaneous oxygen section sample Ball-type packing, and aerobic section uses MBBR carrier filler.
Preferably, Ball-type packing diameter is 80mm, and inner core is the flexible filler material such as sponge, gauze, filler packing volume ratio
For 25%-35%；The packing volume ratio of MBBR carrier filler is 30%-40%.
Preferably, the top of Ball-type packing and MBBR carrier filler samples the string bag and fixes, and bottom is equipped with grid.
Compared with prior art, the utility model has the beneficial effect that
1, the utility model is in traditional A2Anoxic pond, adjustment sludge reflux to front end anoxic pond, drop are added in/O technique front end
Low regurgitant volume reduces NO in returned sludge3 -Influence of-the N to anaerobism section anaerobic environment, sludge reflux can supplement biological reaction pool
Sludge activity, keep biological reaction pool in MLSS it is relatively stable, improve wastewater treatment efficiency.
2, the MBBR carrier oxygen-transfer efficiency in the utility model is high, and the collision in water of active bio carrier and shearing are made
With so that air bubble is smaller, oxygen utilization rate is higher.
3, the utility model can optimize carbon source distribution by segmental influent, rationally control anaerobism section and and oxygen section dissolved oxygen
Concentration is, it can be achieved that denitrification dephosphorization realizes synchronous nitre using new " microenvironment " of the biofilm formation adhered on hollow sphere
Change and denitrification denitrogenation.
Detailed description of the invention
Referring to attached drawing, the disclosure of the utility model will be easier to understand.Skilled addressee readily understands that
Be: these attached drawings are used only for illustrating the technical solution of the utility model, and are not intended to the protection to the utility model
Range is construed as limiting.
Fig. 1 is the utility model reality structural schematic diagram.
1- anoxic section, 2- anaerobism section, 3- and oxygen section, 4- aerobic section, 5- precipitating phase, 6- water inlet, 7- mud return line,
601- anoxic section water inlet pipe, 602- anaerobism section water inlet pipe, 8- aeration tube, 9- mixed liquor return pipe, the outer comb of 10- sludge, 11- go out
The mouth of a river, 12- Ball-type packing, 13-MBBR carrier filler
Specific embodiment
Following description describe the optional embodiment of the utility model with instruct those skilled in the art how to implement and
Reproduce the utility model.In order to instruct technical solutions of the utility model, it has simplified or omitted some conventional aspects.This field skill
Art personnel should be understood that the variation or replacement from these embodiments will be in the scope of the utility model.Those skilled in the art
Member is it should be understood that following characteristics can be combined in various ways to form multiple modifications of the utility model.This is practical new as a result,
Type is not limited to following embodiments, and is only limited by the claims and their equivalents.
As shown in Figure 1, a kind of A2/ O integrated biological denitrification dephosphorization processing unit, be successively arranged from left to right anoxic section 1,
Anaerobism section 2 and oxygen section 3, aerobic section 4 and precipitating phase 5.Anoxic section is equipped with water inlet 6, and the water inlet of anoxic section is provided on water inlet
Pipe 601 and anaerobism section water inlet pipe 602.It is additionally provided with flow controller on water inlet to adjust assignment of traffic, such as makes total flow
10%-15% enters anoxic section by anoxic section water inlet pipe, and the 85%-90% of total flow leads to anaerobism section water inlet pipe and enters anaerobism section
When, the good purification of device.Respectively be segmented into and avoid the short stream of sewage, devise sewage connecting pipeline, from each segmentation bottom with
Upper 30cm is connected to other section of storehouse, and anoxic section and anaerobism section may also function as the effect of oil removal, and oil reservoir can be by inspection hole at the top of device
Clear fishing.
Outlet pipe is equipped between adjacent two sections, outlet pipe is each passed through Ball-type packing 12 or MBBR carrier filler 13,
It can be with rapid biofilm and operation more stability and high efficiency when filler.Ball-type packing diameter is 80mm, and inner core is the flexibilities such as sponge, gauze
Filler material filler packing volume ratio is 25%-35%, and the packing volume ratio of MBBR carrier filler is 30%-40%.MBBR carrier
Oxygen-transfer efficiency is high, and the collision and shear action of active bio carrier in water, so that air bubble is smaller, oxygen utilization rate is more
It is high.
Precipitating phase, which is equipped with, to be equipped with aeration tube 8 between the outer comb 10 of sludge and water outlet 11, and oxygen section and aerobic section and mixes
Liquid return pipe 9 is closed, mud return line 7 is equipped between anoxic section and precipitating phase.To avoid filler from entering anoxic section with reflux line,
In mixed liquor reflux line bottom end, the string bag is set.Aerobic section bottom end uses microporous aeration disc, and filler bottom supporting layer is using laying
Grid, filler top are fixed using the string bag, are avoided MBBR active bio carrier from drifting away with water flow, are lost.Precipitating phase sludge returns
When flowing to front end anoxic section, the device and oxygen section and aerobic section, which are aerated and flow back, uses same air pump, and mixed liquor is returned
Stream is flowed back by the way of air lift with sludge reflux, and regurgitant volume can be controlled by control valve, return current ratio of the mixed liquid
It is preferred with 200%.
Claims (6)
1. a kind of A2/ O integrated biological denitrification dephosphorization processing unit, which is characterized in that include successively from left to right anoxic section, detest
Oxygen section and oxygen section, aerobic section and precipitating phase, the anoxic section are equipped with water inlet, be provided on the water inlet anoxic section into
Water pipe and anaerobism section water inlet pipe are connect with the anoxic section and the anaerobism section respectively, are equipped with outlet pipe between adjacent two sections,
The precipitating phase is equipped with the outer comb of sludge and water outlet, and aeration tube is equipped between described and oxygen section and the aerobic section and is mixed
Liquid return pipe is equipped with mud return line between the anoxic section and the precipitating phase.
2. a kind of A according to claim 12/ O integrated biological denitrification dephosphorization processing unit, which is characterized in that it is described into
The mouth of a river, which is equipped with flow controller, makes the 10%-15% of total flow enter anoxic section by anoxic section water inlet pipe, total flow
85%-90% enters anaerobism section by anaerobism section water inlet pipe.
3. a kind of A according to claim 12/ O integrated biological denitrification dephosphorization processing unit, which is characterized in that described to lack
Oxygen section hydraulic detention time is 1 hour.
4. a kind of A according to claim 12/ O integrated biological denitrification dephosphorization processing unit, which is characterized in that described to lack
Oxygen section, the anaerobism section and described and oxygen section sample Ball-type packing, and the aerobic section uses MBBR carrier filler.
5. a kind of A according to claim 42/ O integrated biological denitrification dephosphorization processing unit, which is characterized in that the ball
Shape filler diameter is 80mm, and inner core is the flexible filler material such as sponge, gauze, and filler packing volume ratio is 25%-35%；It is described
The packing volume ratio of MBBR carrier filler is 30%-40%.
6. a kind of A according to claim 42/ O integrated biological denitrification dephosphorization processing unit, which is characterized in that the ball
The top of shape filler and the MBBR carrier filler samples the string bag and fixes, and bottom is equipped with grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821628949.6U CN209276312U (en) | 2018-10-08 | 2018-10-08 | A kind of A2/ O integrated biological denitrification dephosphorization processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821628949.6U CN209276312U (en) | 2018-10-08 | 2018-10-08 | A kind of A2/ O integrated biological denitrification dephosphorization processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209276312U true CN209276312U (en) | 2019-08-20 |
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ID=67604142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821628949.6U Active CN209276312U (en) | 2018-10-08 | 2018-10-08 | A kind of A2/ O integrated biological denitrification dephosphorization processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209276312U (en) |
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2018
- 2018-10-08 CN CN201821628949.6U patent/CN209276312U/en active Active
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