CN207091107U - Batch-type multistage AO Activated sludge-biofilm composite bioreactors - Google Patents
Batch-type multistage AO Activated sludge-biofilm composite bioreactors Download PDFInfo
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- CN207091107U CN207091107U CN201720992263.4U CN201720992263U CN207091107U CN 207091107 U CN207091107 U CN 207091107U CN 201720992263 U CN201720992263 U CN 201720992263U CN 207091107 U CN207091107 U CN 207091107U
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Abstract
The utility model discloses batch-type multistage AO Activated sludge-biofilm composite bioreactors, including reactor body, there is scarce/anaerobic biological selector and main reaction region, scarce/interlayer bottom between anaerobic biological selector and main reaction region is provided with water hole in reactor body；Scarce/anaerobic biological selector is provided with scarce/anaerobic biological selector sewage inlet and lacks/anaerobic biological selector sludge inlet, and submersible agitator is provided with scarce/anaerobic biological selector；Scarce/anaerobic biological selector sewage inlet is connected into water pipe duct, main reaction region sludge outlet with main reaction region sewage inlet and is connected to sludge pipe duct with scarce/anaerobic biological selector sludge inlet；Main reaction region is provided with main reaction region sewage inlet, main reaction region outfall, main reaction region sludge outlet and blast aeration inlet, floating stuffing area.The multigroup anoxic of main reaction region sequencing batch operation and aerobic reaction period, realize multistage AO running status, reactor good denitrogenation and dephosphorization effect.
Description
Technical field
Sewage disposal device is the utility model is related to, is reacted more particularly, to batch-type multistage AO Activated sludge-biofilms compound bio
Device.
Background technology
The wastewater treatment rate of most of organic town in China, township and rural area is all relatively low at present.In environmental effect, environment
Under the overall background that quality examination becomes tight, country continues to increase to the dynamics of samll cities and towns, rural comprehensive environmental renovation.
The main feature of Small Town Wastewater processing has that treatment scale is small, distribution is scattered, sewage water and water quality day-night change
Greatly, ability to shoulder economically is weak, lacks experienced operation maintenance personnel etc..Included at present in industry using main handling process
Traditional activated sludge process, A/O methods, A2/ O methods, oxidation ditch process, biological contact oxidation process, SBR methods and MBR methods, artificial swamp, soil
Ground processing and group technology etc..With samll cities and towns of China, the continuous release in rural sewage treatment market, to treatment technology it is also proposed that
Higher requirement.
The utility model is intended to optimize a kind of batch-type multistage AO Activated sludge-biofilm composite bioreactors, and it is fully combined
The advantage of sequencing batch active sludge, multistage tri- kinds of reactors of AO and IFAS, there is good denitrogenation and dephosphorization effect, flexible operation, delay
Rush that ability is strong, takes up an area small, small investment, the features such as operating cost is low, automaticity is high, it is dirty suitable for samll cities and towns of China, rural area
Water process project.
Sequencing batch active sludge：All courses of reaction are carried out in a reactor, by being carried out not in different time
Biconditional operation, reactor is set to be finally reached the target of processing.It is pulling flow type on temporal meaning, is to be thoroughly mixed formula in fluidised form.Its is excellent
Gesture by system form it is simple, do not set up second pond, take up an area small, construction cost is relatively low with operating cost, and full-automatic grasp can be achieved
Make etc..
Multistage multistage AO：Biological tank is arranged to anaerobic zone+aerobic zone+multi-stage anaerobic/aerobic zone, forms biological tank more
The form of level AO series connection；Using multi-section water-inlet technology, sewage is incorporated to anaerobic zone and each anoxic zone, sludge reflux to anaerobism respectively
Area, the growing environment for being more suitable for polyP bacteria, nitrifier and denitrifying bacterium is created, enhance the ability of dephosphorization denitrogenation.Its advantage
Having can more reasonably distribute, using carbon source, and reduction is invested and operating cost, under low-oxygen environment, can preferably realize short distance
Nitration denitrification etc..
IFAS：IFAS techniques are a kind of technique for merging the activated sludge of biomembrane and suspension growth.As
Filler is put into activated sludge process, the pollution gone jointly in water removal by the biomembrane on filler and the activated sludge to suspend
Thing, and because filler is to the dissection of bubble, water oxygen transfer efficiency can be improved, strengthen treatment effect.Floated IFAS
The modes such as technique is by being aerated disturbance, liquid flows back, make filler suspend in the reactor.Its advantage has and can increase biomass but not
Increase sedimentation basin load, treatment effeciency can be improved, SVI can be reduced, improve sedimentation function, reduce sludge yield, can Simultaneous Nitrification
Denitrification, buffer capacity are strong etc..
Utility model content
The purpose of this utility model is exactly to solve the above problems, there is provided a kind of batch-type multistage AO Activated sludge-biofilms are compound
Bioreactor, good denitrogenation and dephosphorization effect, flexible operation, buffer capacity are strong, it is low to take up an area small, small investment, operating cost, automate
Degree is high.
To achieve these goals, the utility model adopts the following technical scheme that：A kind of batch-type multistage AO Activated sludge-biofilms
Composite bioreactor, including reactor body, the reactor body is interior to have scarce/anaerobic biological selector and main reaction
Area, scarce/interlayer bottom between anaerobic biological selector and main reaction region are provided with water hole；
Lack/anaerobic biological selector is provided with scarce/anaerobic biological selector sewage inlet and scarce/anaerobic biological selector is dirty
Mud inlet, lack/anaerobic biological selector in be provided with submersible agitator；
Scarce/anaerobic biological selector sewage inlet is connected into water pipe duct, main reaction region with main reaction region sewage inlet
Sludge outlet is connected to sludge pipe duct with scarce/anaerobic biological selector sludge inlet；
Main reaction region is provided with main reaction region sewage inlet, main reaction region outfall, main reaction region sludge outlet
And blast aeration inlet, submersible agitator is provided with main reaction region, is provided with floating stuffing in main reaction region, main reaction region enters,
First, second floating stuffing device for trapping is respectively equipped with water outlet；Main reaction region bottom is provided with aerator system, aerator system
It is connected to blast aeration inlet；Main reaction region is divided into main reaction region water outlet spoil disposal by the second floating filler device for trapping at water outlet
Area, main reaction region water outlet sludge discharging area are provided with perforated drain pipe, and perforated drain pipe is connected to main reaction region outfall；Main reaction
Area water outlet sludge discharging area is provided with sludge reflux pump and liquid level gauge, and sludge reflux pump is connected to main reaction region sludge outlet；Main reaction
Water outlet pipe duct is set at area's outfall.The multigroup anoxic of main reaction region sequencing batch operation and aerobic reaction period, realize multistage
AO running status.
Further：Motor-driven valve is provided with the water outlet pipe duct.
Further：Floating stuffing uses sponge cube filler, with water proportion is 0.98-1.10 before floating stuffing biofilm:
1, porosity of=90%, the filling rate of floating stuffing is 25 (15~35) %.The filler device for trapping set at floating stuffing is adopted
With vertical stainless steel grid, grid aperture is less than packing material size.
Further：Submersible agitator is stirred type.
Further：Aerator system includes aeration tube, rubber diaphragm micropore plate-type aerator, mounting bracket.
Further：45 ° of perforated drain pipe both sides aperture obliquely, and should be in sustained height.Perforating outlet pipe can be with pond
Liquid level fluctuates 0.5m.
Further：Sludge reflux pump is submersible sewage pump.
Further：Liquid level gauge uses ultrasonic level gage.
Further：Supporting mechanism is set at water outlet feed ditch, and supporting mechanism has：
For supporting the support plate of water outlet feed ditch, its downside sets connecting pole, and external screw thread is set on connecting pole；
Cylinder located at ground, its internal setting internal thread, cylinder is interior to set compression spring, and compression spring is connected to capping,
Capping through hole is set in capping, and cylinder body bottom sets cylinder through hole；
Compression spring deployed condition, cover closed cylinder oral area, connecting pole lower squeeze cap after being connected with cylinder, to adjust branch
Support plate height.
Compared with prior art, the utility model has the advantages that：
(1) good denitrogenation and dephosphorization effect, flexible operation.Using multi-section water-inlet technology, sewage is incorporated to anaerobic zone and each respectively
Anoxic zone, sludge reflux to anaerobic zone, the growing environment for being more suitable for polyP bacteria, nitrifier and denitrifying bacterium is created, is enhanced
The ability of dephosphorization denitrogenation.
(2) hybrid reaction effect is preferable.Belong on space reactor and be thoroughly mixed formula fluidised form, pulling flow type stream is belonged on the time
State, there is the substrate degradation power of the preferable capacity of resisting impact load and pulling flow type of the formula that is thoroughly mixed.
(3) buffer capacity is strong.Sewage divides multistage to enter biological tank, and returned sludge part enters bioreactor front end, protects
The more suitable sludge loading of each reaction zone is demonstrate,proved；Activated sludge-biofilm reactor can increase biomass, have reactor preferable
Capacity of resisting impact load obtains；A variety of hybrid modes organically combine, and can also improve adaptability of the system to change of water quality.
(3) sludge settling property strengthens, and excess sludge production is reduced.Activated sludge-biofilm reactor can increase biomass but not increase
Add sedimentation basin load, treatment effeciency can be improved, SVI can be reduced, improve sedimentation function, reduce sludge yield.
(4) small, small investment is taken up an area.Using batch-type reactive mode, system composition is simple, does not set up second pond.Suspension is filled out
The biomass of the bed of material enables pollutant biochemical treatment to be completed in smaller space.
(5) operating cost is low.Multipoint water feeding, carbon source is taken full advantage of, multi-stage anaerobic aerobic reaction, saved traditional AAO
The operation energy consumption of interior backflow in technique.Using micro-pore aeration equipment, power consumption is far below conventional perforation or mesopore aeration
System, while filler can improve water oxygen transfer efficiency, capacity usage ratio is high to the dissection of bubble.It is main anti-by controlling
The dissolved oxygen in area is answered, short-cut nitrification and denitrification or synchronous nitration and denitrification can be achieved, while realizing high-efficient denitrification and dephosphorization, can also drop
Low energy consumption.
(6) automaticity height etc..By automatic instrument(s)s such as motor-driven valve, liquid level gauges, realize that the full-automatic of reactor is grasped
Make.
Brief description of the drawings
Fig. 1 is batch-type multistage AO Activated sludge-biofilm composite bioreactor operation process schematic diagrames.
Fig. 2 is batch-type multistage AO Activated sludge-biofilm composite bioreactor top views.
Fig. 3 is batch-type multistage AO Activated sludge-biofilm composite bioreactor elevation.
Fig. 4 is structural representation at supporting mechanism.
In figure, 1, lack/anaerobic biological selector；2, main reaction region；2a, main reaction region water outlet sludge discharging area；3, pipe duct of intaking；
3a, lack/anaerobic biological selector sewage inlet；3b, main reaction region sewage inlet；4, water outlet pipe duct；4a, main reaction region are dirty
Water outlet；5, sludge pipe duct；5a, main reaction region sludge outlet；5b, lack/anaerobic biological selector returned sludge inlet；
6, airduct；6a, blast aeration inlet；7, interlayer (partition wall)；8, water hole；9a, the first floating stuffing device for trapping (main reaction
Floating stuffing device for trapping at area's water inlet)；9b, (floating stuffing retains the second floating stuffing device for trapping at the water outlet of main reaction region
Device)；10, floating stuffing；11, diving mixer (diving mixer)；12, aerator system；13, perforated drain pipe；14, return
Flow sludge pump；15, motor-driven valve；16, liquid level gauge, 100 support plates, 101 connecting poles, 102 cappings, 103 compression springs, 104 cylinders,
105 capping through holes, 106 cylinder through holes.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to accompanying drawing 1-4, a kind of batch-type multistage AO Activated sludge-biofilm composite bioreactors, including reactor body, institute
Stating has scarce/anaerobic biological selector 1 and main reaction region 2 in reactor body, scarce/anaerobic biological selector 1 and main reaction
The bottom of interlayer 7 between area 2 is provided with water hole 8；
Scarce/anaerobic biological selector 1 is provided with scarce/anaerobic biological selector sewage inlet 3a and scarce/anaerobic organism selects
Area sludge inlet 5b, scarce/anaerobic biological selector 1 is interior to be provided with submersible agitator 11；
Scarce/anaerobic biological selector sewage inlet 3a and main reaction region sewage inlet 3b is connected into water pipe duct 3, main anti-
Area sludge outlet 5a is answered to be connected to sludge pipe duct 5 with scarce/anaerobic biological selector sludge inlet 5b；
Main reaction region 2 is provided with main reaction region sewage inlet 3b, main reaction region outfall 4a, main reaction region sludge row
5a and blast aeration inlet 6a is exported, submersible agitator is provided with main reaction region 2, floating stuffing 10 is provided with main reaction region 2
(floating stuffing area), first, second floating stuffing device for trapping 9a, 9b is respectively equipped with the water-in and water-out of main reaction region 2；Main reaction
The bottom of area 2 is provided with aerator system 12, and aerator system is connected to blast aeration inlet；Second floating filler device for trapping will be main anti-
Area is answered to be divided into main reaction region water outlet sludge discharging area at water outlet, main reaction region water outlet sludge discharging area 2a is provided with perforated drain pipe 13,
Perforated drain pipe is connected to main reaction region outfall；Main reaction region water outlet sludge discharging area 2a is provided with sludge reflux pump 14 and liquid level
Meter 16, sludge reflux pump is connected to main reaction region sludge outlet 5a；Water outlet pipe duct is set at the outfall of main reaction region.Water outlet
Motor-driven valve 15 is provided with pipe duct 4.
Sewage by be arranged on influent weir and regulating gate into water pipe duct 3, respectively by lack/anaerobic biological selector sewage
Inlet, main reaction region sewage inlet 3a, 3b enter scarce/anaerobic biological selector 1, main reaction region 2；Main reaction region 2 simultaneously
Returned sludge by lack/anaerobic biological selector sludge inlet 5b enter lack/anaerobic biological selector 1, lack/anaerobic organism
The denitrogenation of a small amount of nitrate nitrogen and polyP bacteria in returned sludge are substantially carried out in selection area 1 releases phosphorus, intakes and dives during reaction process
Water agitator 11 is opened；Subsequent sewage enters main reaction region 2 by the water hole 8 of the bottom of interlayer (partition wall) 7, in main reaction region 2
The control of interior passage time, the anoxic/aerobic alternate reaction process for realizing 2~3 grades, main reaction region 2 is interior to be provided with floating stuffing
10, anoxic periods at different levels carry out denitrification denitrogenation, partial organic substances are degraded in the presence of denitrifying bacterium removal, aerobic zones at different levels
Period carries out the further degraded and the ammonification nitrification of organic nitrogen and the absorption of phosphorus of organic matter, when main reaction region 2 is scarce/aerobic
Section, bottom aerator system 12 and diving mixer 11 optionally can be opened and combined；Sewage is completed last in main reaction region 2
After the reaction of one-level aerobic period, into process is staticly settled, all dynamic equipment now in reactor are out of service；Precipitation
Enter drainage procedure after process, the supernatant in main reaction region 2, by floating stuffing device for trapping at the water outlet of main reaction region (
Two floating stuffing device for trapping 9b) top enter main reaction region water outlet sludge discharging area 2a, water outlet is entered by perforated drain pipe 13
Pipe duct 4, discharge system；Thickened sludge in main reaction region 2, through floating stuffing device for trapping at the water outlet of main reaction region, (second is outstanding
Floating filler device for trapping 9b) bottom enter main reaction region water outlet sludge discharging area 2a, be discharged into sludge pipe duct 5 through sludge reflux pump 14,
A part is back to scarce/anaerobic biological selector 1, and sludge concentration and dewatering system is drained into outside another part.
In the present embodiment, supporting mechanism is set, supporting mechanism has at water outlet feed ditch：For supporting the support of water outlet feed ditch
Disk, its downside set connecting pole, external screw thread are set on connecting pole；Cylinder located at ground, it is internal to set internal thread, in cylinder
Compression spring is set, and compression spring is connected to capping, capping through hole is set in capping, and cylinder body bottom sets cylinder through hole；Compress bullet
Spring deployed condition, cover closed cylinder oral area, squeeze cap under (threaded connection) after connecting pole is connected with cylinder, to adjust support plate
Highly.Support effect is good, easy to use.
Preferred embodiment of the present utility model is the foregoing is only, on the scope of protection of the utility model is not limited in
Embodiment is stated, every technical scheme for belonging to the utility model principle belongs to the scope of protection of the utility model.For this
For the technical staff in field, some improvement for being carried out on the premise of principle of the present utility model is not departed from, these improvement
It should be regarded as the scope of protection of the utility model.
Claims (3)
1. a kind of batch-type multistage AO Activated sludge-biofilm composite bioreactors, it is characterised in that described anti-including reactor body
Answer to have in device body and lack/anaerobic biological selector (1) and main reaction region (2), lack/anaerobic biological selector (1) and main anti-
Interlayer (7) bottom between area (2) is answered to be provided with water hole (8)；
Lack/anaerobic biological selector (1) is provided with scarce/anaerobic biological selector sewage inlet (3a) and scarce/anaerobic organism selects
Area's sludge inlet (5b), scarce/anaerobic biological selector (1) is interior to be provided with submersible agitator (11)；
Main reaction region (2) is provided with main reaction region sewage inlet (3b), main reaction region outfall (4a), main reaction region sludge
Outlet (5a) and blast aeration inlet (6a), submersible agitator is provided with main reaction region (2), is provided with main reaction region (2)
Floating stuffing (10), first, second floating stuffing device for trapping (9a, 9b) is respectively equipped with main reaction region (2) water-in and water-out；It is main
Reaction zone (2) bottom is provided with aerator system (12), and aerator system is connected to blast aeration inlet；Second floating filler retention dress
Put and main reaction region is divided into main reaction region water outlet sludge discharging area at water outlet, main reaction region water outlet sludge discharging area (2a) is provided with perforation
Drainpipe (13), perforated drain pipe are connected to main reaction region outfall；Main reaction region water outlet sludge discharging area (2a) is provided with sludge
Reflux pump (14) and liquid level gauge (16), sludge reflux pump (14) are connected to main reaction region sludge outlet (5a)；Main reaction region sewage
Water outlet pipe duct (4) is set at outlet；
Scarce/anaerobic biological selector sewage inlet (3a) is connected into water pipe duct (3) with main reaction region sewage inlet (3b), main
Reaction zone sludge outlet (5a) is connected to sludge pipe duct (5) with scarce/anaerobic biological selector sludge inlet (5b).
2. batch-type multistage AO Activated sludge-biofilm composite bioreactors according to claim 1, it is characterised in that：It is described go out
Motor-driven valve (15) is provided with water pipe canal (4).
3. batch-type multistage AO Activated sludge-biofilm composite bioreactors according to claim 1, it is characterised in that：Water outlet fills
Supporting mechanism is set at canal, and supporting mechanism has：
For supporting the support plate of water outlet feed ditch, its downside sets connecting pole, and external screw thread is set on connecting pole；
Cylinder located at ground, its internal setting internal thread, cylinder is interior to set compression spring, and compression spring is connected to capping, covers
Upper to set capping through hole, cylinder body bottom sets cylinder through hole；
Compression spring deployed condition, cover closed cylinder oral area, connecting pole lower squeeze cap after being connected with cylinder, to adjust support plate
Highly.
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| CN201720992263.4U CN207091107U (en) | 2017-08-09 | 2017-08-09 | Batch-type multistage AO Activated sludge-biofilm composite bioreactors |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109694132A (en) * | 2019-02-23 | 2019-04-30 | 何江涛 | A kind of sewage water treatment method of sequence batch temperature-control pressure-control biomembrane |
-
2017
- 2017-08-09 CN CN201720992263.4U patent/CN207091107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109694132A (en) * | 2019-02-23 | 2019-04-30 | 何江涛 | A kind of sewage water treatment method of sequence batch temperature-control pressure-control biomembrane |
| CN109694132B (en) * | 2019-02-23 | 2021-12-17 | 何江涛 | Sewage treatment method of sequencing batch temperature and pressure control biological membrane |
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