CN207031184U - Microkinetic fluidizes pillar advanced treatment of wastewater MBBR - Google Patents
Microkinetic fluidizes pillar advanced treatment of wastewater MBBR Download PDFInfo
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- CN207031184U CN207031184U CN201720711010.5U CN201720711010U CN207031184U CN 207031184 U CN207031184 U CN 207031184U CN 201720711010 U CN201720711010 U CN 201720711010U CN 207031184 U CN207031184 U CN 207031184U
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- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000002351 wastewater Substances 0.000 title claims abstract description 16
- 238000004062 sedimentation Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 95
- 239000010802 sludge Substances 0.000 claims description 41
- 239000001301 oxygen Substances 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 238000005273 aeration Methods 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 238000005345 coagulation Methods 0.000 claims description 13
- 230000015271 coagulation Effects 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 238000007667 floating Methods 0.000 claims description 8
- 239000008400 supply water Substances 0.000 claims description 8
- 229940079593 drug Drugs 0.000 claims 1
- 239000003814 drug Substances 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 20
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005842 biochemical reaction Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 229910002651 NO3 Inorganic materials 0.000 description 7
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 238000005243 fluidization Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229920000037 Polyproline Polymers 0.000 description 1
- 241000486406 Trachea Species 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 238000005553 drilling Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
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- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- 230000010148 water-pollination Effects 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model proposes a kind of microkinetic to fluidize pillar advanced treatment of wastewater MBBR, solves the problems, such as sewage disposal device wastewater treatment efficiency difference in the prior art.The utility model includes pre- anoxic biochemical treatment unit, pre- anoxic biochemical treatment unit is connected with anaerobic biochemical treatment unit, anaerobic biochemical treatment unit is connected with anoxic biochemical treatment unit, anoxic biochemical treatment unit is connected with aerobic treatment unit, aerobic treatment unit is connected with High-rate sedimentation unit, High-rate sedimentation unit is connected with advanced treatment unit, and pre- anoxic biochemical treatment unit, anaerobic biochemical treatment unit, anoxic biochemical treatment unit, aerobic treatment unit, High-rate sedimentation unit, advanced treatment unit are connected between package.The advantages of the utility model:Improve reaction efficiency, improve effluent quality index, save floor space, to shorten low construction period, intellectuality, easily operated, easy care, operating cost, microkinetic, investment cost low.
Description
Technical field
It the utility model is related to A/A/A/O(Pre- anoxic+anaerobe-oxygen deficient+aerobic)And MBBR(Moving bed biological film reaction
Device)Sewage disposal device, particularly relate to a kind of microkinetic fluidisation pillar advanced treatment of wastewater MBBR.
Background technology
MBBR techniques be by adding a number of suspending carrier into reactor, improve biomass in reactor and
Biological species, so as to improve the treatment effeciency of reactor.Because packing density is close to water, so when aeration, it is in water
It is thoroughly mixed state.Under collision and shear action of the carrier in water, air bubble is more tiny, increases the utilization rate of oxygen.
In addition, being respectively provided with different biological species inside and outside each carrier, some anaerobic bacterias of growth inside or simultaneous oxygen bacterium, outside are preferably supported
Bacterium, so each carrier are a microreactor, make nitration reaction and anti-nitration reaction while exist, so as to improve place
Manage effect.
A/A/A/O techniques are in conventional A/A/O(Anaerobe-oxygen deficient+aerobic)It is biochemical anti-to increase pre- anoxic on the basis of technique
The function of unit, reinforced anaerobic biochemical reaction unit, anoxic biochemical reaction unit and aerobic biochemical reaction unit is answered, is each advantage
Strain creates more superior environment and water project situation.
But the sewage disposal device wastewater treatment efficiency that existing A/A/A/O techniques are combined with MBBR techniques is poor, up for
Further optimization.
Utility model content
The utility model proposes a kind of microkinetic to fluidize pillar advanced treatment of wastewater MBBR, solves
In the prior art the problem of sewage disposal device wastewater treatment efficiency difference.
What the technical solution of the utility model was realized in:Microkinetic fluidizes pillar advanced treatment of wastewater moving bed biological
Membrane reactor, including pre- anoxic biochemical treatment unit, described pre- anoxic biochemical treatment unit connect with anaerobic biochemical treatment unit
Connect, anaerobic biochemical treatment unit is connected with anoxic biochemical treatment unit, anoxic biochemical treatment unit and aerobic treatment unit
Connection, aerobic treatment unit are connected with High-rate sedimentation unit, and High-rate sedimentation unit is connected with advanced treatment unit, pre- anoxic
Biochemical treatment unit, anaerobic biochemical treatment unit, anoxic biochemical treatment unit, aerobic treatment unit, High-rate sedimentation unit,
Advanced treatment unit is connected between package.
Described pre- anoxic biochemical treatment unit includes pre- anoxic post, and the sludge pipe of High-rate sedimentation unit connects with pre- anoxic post
Connect, water inlet pipe is connected with pre- anoxic post, and the middle part of pre- anoxic post is provided with water distributor I, and water distributor I lower end is provided with umbrella shape plate, in advance
The bottom of anoxic post is provided with reflection and bored, and the upper end of pre- anoxic post is provided with water receiving tank, and pre- anoxic post connects with anaerobic biochemical treatment unit
Connect.
Described anaerobic biochemical treatment unit includes some end to end anaerobism posts, and anaerobism post and the pre- anoxic of head end are given birth to
Change processing unit connection, the middle part of anaerobism post is provided with water distributor II, and water distributor II lower end is provided with umbrella shape plate, the bottom of anaerobism post
Provided with W shape deflectors, water distributor II middle part is provided with up-flow plate, and the anaerobism post of tail end is connected with anoxic biochemical treatment unit.
Described anoxic biochemical treatment unit includes some end to end anoxic posts, and aerobic treatment unit passes through nitre
The anoxic post for changing liquid return-flow system and head end is connected, and the anoxic post of head end is connected with anaerobic biochemical treatment unit, in anoxic post
Portion is provided with water distributor III, and water distributor III lower end is provided with umbrella shape plate, and the bottom of anoxic post is provided with W shape deflectors, water distributor III
Middle part be provided with up-flow plate, the anoxic post of tail end is connected with aerobic treatment unit.
Described aerobic treatment unit includes floating stuffing and air pocket boring aeration pipe, air pocket boring aeration pipe
It is connected between package, intercept net is provided between aerobic treatment unit and High-rate sedimentation unit.
Described High-rate sedimentation unit includes tracheae, water leg and swash plate, and swash plate is located at middle part, tracheae be passed through bottom and with
Sludge pipe coordinates, and is connected between tracheae and package, water leg is located at top and is connected with advanced treatment unit.
Described advanced treatment unit includes coagulation tank and accurate filter, and High-rate sedimentation unit is connected with coagulation tank, mixes
Solidifying groove is connected with accurate filter, is connected between accurate filter and package.
Include swinging blower fan, chemicals dosing plant, intellectualizing system, ultraviolet ray disinfector and supply between described package
Water source, Clothoid type blower fan are connected with tracheae, air pocket boring aeration pipe respectively, the coagulation tank of chemicals dosing plant and advanced treatment unit
Connection, intellectualizing system are connected with swinging blower fan, chemicals dosing plant, ultraviolet ray disinfector, supply water source respectively, advanced treating list
Member is connected with ultraviolet ray disinfector, and supply water source is connected with pre- anoxic post, anaerobism post, anoxic post respectively by flush pipe.
Among a large amount of mud granules are suspended in the current of motion by the present invention by internal particular design mechanism, so that dirty
Mud particle has some appearance features of fluid, and this affixed tactile state of stream is similar to fluidization of solid, i.e. fluid bed.Fluidize bed accessory
It is sufficiently mixed, even concentration, the features such as sludge suspension.Meanwhile the anaerobic zone of the present apparatus is also used as the anaerobism of the system
Section is acidified, the larger molecular organicses in sewage are carried out with acidifying decomposition, forms small-molecular-weight organic matter, it is biochemical to improve system
Property.Optimize the layout structure of sludge recirculation system and nitrification liquid return-flow system, by activated sludge process and biological contact oxidation process
Advantage fully combines, the effect of intensified denitrification and dephosphorization while COD is reduced.Pre- anoxic biochemical reaction unit fully removes backflow
Nitrate and oxygen in sludge, ensure that the strictly anaerobic environment of anaerobic zone, and control enter anaerobic biochemical treatment unit
Nitrate amount, reduce inhibitory action of the nitrate to anaerobic bacteria so that the efficiency that polyP bacteria discharges phosphorus in anaerobic zone carries significantly
It is high, it is ensured that it has accordingly obtained abundant lifting in the suction phosphorus efficiency of Aerobic Pond, and aerobic treatment unit nitrification liquid is back to
Anoxic biochemical treatment unit improves present apparatus total nitrogen removal ability.
The advantages of the utility model:
Pass through A/A/A/O and MBBR technological principles, micro- hydrodynamics technical principle, biomembrance process technical principle, recycle stream
Change the application of bed technique principle, High-rate sedimentation technical principle, secondary filter technical principle, air lift sewage sludge technical principle, carry
High reaction efficiency, effluent quality index is improved, floor space is saved, shortens construction period.A kind of intellectuality is provided, is easy to grasp
The microkinetic fluidisation pillar advanced treatment of wastewater moving bed biological that work, easy care, operating cost are low, microkinetic, investment cost are low
Membrane reactor.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model structural plan layout drawing.
Fig. 2 is pre- anoxic biochemical treatment unit front view.
Fig. 3 is pre- anoxic biochemical treatment unit top view.
Fig. 4 is anaerobic biochemical treatment unit front view.
Fig. 5 is anaerobic biochemical treatment unit top view.
Fig. 6 is anoxic biochemical treatment unit front view.
Fig. 7 is anoxic biochemical treatment unit top view.
Fig. 8 is intercept net drawing.
In figure:The pre- anoxic biochemical treatment units of a-, b- anaerobic biochemical treatment units, c- anoxic biochemical treatment units, d- are good
Oxygen biochemical treatment unit, e- High-rate sedimentation units, f- advanced treatment units, between g- packages, 1- water distributors I, 2- reflection cones
I, 3- water receiving tank, 4- anaerobism posts, 5-W shapes deflector I, 6- water distributors II, 7- umbrella shape plates, 8- intercept nets, 9- anoxic posts, 10- cloth
Water pipe III, 11- up-flow plates, 12- flush pipes, 13- tracheaes, 14- sludge pipes, 15- nitrification liquid return-flow systems, 16- water inlet pipes, 17-
Water leg, 18- swash plates, 19- accurate filters, 20- swinging blower fans, 21- chemicals dosing plants, 22- intellectualizing systems, 23- are ultraviolet
Line sterilizer, 24- floating stuffings, 25- coagulation tanks, 26- air pocket boring aeration pipes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is paid
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in figures 1-8, microkinetic fluidisation pillar advanced treatment of wastewater MBBR, including the life of pre- anoxic
Change processing unit a, described pre- anoxic biochemical treatment unit a is connected with anaerobic biochemical treatment unit b, anaerobic biochemical treatment unit
B is connected with anoxic biochemical treatment unit c, and anoxic biochemical treatment unit c is connected with aerobic treatment unit d, at aerobic biochemical
Reason unit d is connected with High-rate sedimentation unit e, and High-rate sedimentation unit e is connected with advanced treatment unit f, pre- anoxic biochemical treatment list
First a, anaerobic biochemical treatment unit b, anoxic biochemical treatment unit c, aerobic treatment unit d, High-rate sedimentation unit e, depth
G is connected processing unit f between package.
Described pre- anoxic biochemical treatment unit a includes pre- anoxic post, High-rate sedimentation unit e sludge pipe 14 and pre- anoxic
Post is connected, and water inlet pipe 16 is connected with pre- anoxic post, and the middle part of pre- anoxic post is provided with water distributor I1, and water distributor I1 lower end is provided with umbrella
Shape plate 7, the bottom of pre- anoxic post are provided with reflection cone 2, and the upper end of pre- anoxic post is provided with water receiving tank 3, pre- anoxic post and anaerobic biological
Processing unit connects.
Sewage and sludge pending first enters pre- anoxic biochemical treatment unit by water inlet pipe, water distributor I, is lacked pre-
Oxygen biochemical treatment unit reduces returned sludge and nitrate from waste water, dissolved oxygen content, ensures that anaerobic biochemical treatment unit is strict
Anaerobic environment and mitigate suppression of the nitrate to anaerobic bacteria.Sewage, sludge by being formed in water distributor I under high speed to current,
Bore and collide in water distributor I end and pre- anoxic unit bottom reflection, uniformly upward, surrounding reflects current by reflection cone, impact
Base sludge, being reached on to current at the excessively stream slit that post jamb and umbrella-shaped baffle are formed, muddy water is flowed up by speed-raising again,
Mud granule is suspended in current, form sludge fluid bed, be sufficiently mixed, the organic matter in absorption and decomposition water.
Described anaerobic biochemical treatment unit b includes some end to end anaerobism posts 4, and the anaerobism post 4 of head end lacks with pre-
Oxygen biochemical treatment unit a connections, the middle part of anaerobism post 4 are provided with water distributor II6, and water distributor II6 lower end is provided with umbrella shape plate 7, detested
The bottom of oxygen post 4 is provided with W shapes deflector 5, and water distributor II middle part is provided with up-flow plate 11, and the anaerobism post 4 and anoxic of tail end are biochemical
Processing unit c connections.
Sewage enters Anaerobic Treatment unit through water receiving tank after pre- anoxic treatment, and sewage is along water distributor in anaerobism flyidization column
II flows downward at a high speed, and W shapes deflector segmentation post bottom forms V-shaped groove, V-shaped groove improve under to water velocity, in umbrella-shaped baffle and
High speed water jet impact base sludge is formed under the collective effect of bottom W shape deflectors, mud granule is suspended in current, is formed
Sludge fluid bed, when mud mixture reaches up-flow baffle plate, the taper by particular design flows up baffle plate due to area of passage
Diminish suddenly, upflow velocity is improved, and is more beneficial for forming sludge fluid bed in anaerobism flyidization column, conical design is not easy to sink
Mud, taper flow up particular design hole on baffle plate, using boundary layer principle and micro- principles of hydrodynamics, formed around hole micro-
Be vortexed, micro-vortex can more preferably form closely knit activated sludge particles, while more conducively activated sludge particles be sufficiently mixed with sewage,
Organic substance in water is absorbed, anaerobic bacteria fully discharges phosphorus and energy storage using Organic substance in water in anaerobic unit.
Described anoxic biochemical treatment unit c includes some end to end anoxic posts 9, and aerobic treatment unit d leads to
Cross nitrification liquid return-flow system 15 to be connected with the anoxic post 9 of head end, the anoxic post 9 of head end is connected with anaerobic biochemical treatment unit b, is lacked
The middle part of oxygen post 9 is provided with water distributor III10, and water distributor III10 lower end is provided with umbrella shape plate 7, and the bottom of anoxic post 9 is provided with W shapes
Deflector 5, water distributor III10 middle part are provided with up-flow plate 11, and the anoxic post 9 of tail end is connected with aerobic treatment unit d.
Sewage after anaerobic biological cell processing enters anoxic flyidization column, and the backflow with aerobic biochemical reaction member nitrifies
Liquid flows downward at a high speed along water distributor III, and W shapes deflector segmentation post bottom forms V-shaped groove, V-shaped groove improve under to water velocity,
High speed water jet impact base sludge is formed under the collective effect of umbrella-shaped baffle and bottom W shape deflectors, is suspended in mud granule
In current, formed sludge fluid bed, when mud mixture reach up-flow baffle plate when, by particular design taper up-flow baffle plate by
Diminish suddenly in area of passage, upflow velocity is improved, and is more beneficial for forming sludge fluid bed, taper in anaerobism flyidization column
Design is not easy heavy mud, and taper flows up the particular design hole on baffle plate, using boundary layer principle and micro- principles of hydrodynamics, in hole
Micro-vortex is formed around hole, retains activated sludge, micro-vortex can more preferably form closely knit activated sludge particles, while be more conducive to live
Property mud granule and sewage be sufficiently mixed, absorb Organic substance in water, the nitrate in anoxic flyidization column goes to remove water realizes that total nitrogen is gone
Remove.
Described aerobic treatment unit d includes floating stuffing 24 and air pocket boring aeration pipe 26, air pocket perforation
G connections between aeration tube 26 and package, intercept net 8 is provided between aerobic treatment unit d and High-rate sedimentation unit e.
Sewage after anoxic unit is handled enters aerobic biochemical reaction member, goes down in the biochemical degradation effect of aerobic bacteria
Organic matter and ammonia nitrogen in water removal, while phosphorus of the phosphorus bacterium in this large amount of absorption water is inhaled, aerobic treatment unit is provided with boring aeration
Pipe, aeration tube both sides double-layer drilling simultaneously sets anti-clogging mudhole in bottom, thoroughly solves the maintenance and maintenance of aerating system, good
Floating stuffing is used in oxygen unit, floating stuffing is in suspended state in unit, the mutual collisional mixing under Gas Stirring, cutting
Bubble, increase water body turbulence level, reduce gas-liquid interface resistance to mass tranfer, improve oxygen utilization efficiency.Aerobic unit water outlet uses
Intercept net water outlet, is evenly arranged, and reduces the inhomogeneities of floating stuffing, uniform flow intercept net percent opening is high, and aperture is suitable, is not easy
Block.
Described High-rate sedimentation unit e includes tracheae 13, water leg 17 and swash plate 18, and swash plate 18 is located at middle part, tracheae 13
It is passed through bottom and coordinates with sludge pipe 14, g connections between tracheae 13 and package, water leg 17 is located at top and and High-rate sedimentation
Unit e connections.
Described advanced treatment unit f includes coagulation tank 25 and accurate filter 19, High-rate sedimentation unit e and coagulation tank 25
Connection, coagulation tank 25 are connected with accurate filter 19, g connections between accurate filter 19 and package.
G includes swinging blower fan 20, chemicals dosing plant 21, intellectualizing system 22, disinfection by ultraviolet light between described package
Device 23 and supply water source, Clothoid type blower fan 20 are connected with tracheae 13, air pocket boring aeration pipe 26 respectively, chemicals dosing plant 21 and depth
Degree processing unit f coagulation tank 25 connects, and intellectualizing system 22 disappears with swinging blower fan 20, chemicals dosing plant 21, ultraviolet respectively
Malicious device 23, the connection of supply water source, advanced treatment unit f are connected with ultraviolet ray disinfector 23, and supply water source is divided by flush pipe 12
It is not connected with pre- anoxic post, anaerobism post 4, anoxic post 9.
Sewage after aerobic unit is handled enters High-rate sedimentation unit, carries out mud-water separation herein, sewage fills through water distribution
Put and enter in efficient sedimentation tank bottom in pond, collected after sloping plate deposition by water leg and enter advanced treatment unit, sewage first passes through
Flowed into after dosing coagulation in the hollow drum of accurate filter, be high intensity filter screen on roller.Sewage is by filter screen Inside To Outside
Filter out, the suspension in sewage is trapped within the inside of filter screen.When inner bucket water position reaches certain water level, flushing water passes through at the top of roller
High-pressure nozzle from being rinsed automatically to filter screen to inner side on the outside of filter screen, rinse the fine particulate material got off by device interior
Backwashing water collecting tank collect, and discharged by blow-off line.When it is anhydrous pass through equipment when, equipment will be automatically stopped operating.
Sewage after accurate filter is handled enters ultra violet sterilizer, the final qualified discharge of sterilized rear sewage, efficient sedimentation tank
A base sludge part is back to pre- anoxic unit, and another part is further processed as excess sludge into storage basin.It is micro-
Power fluidisation pillar advanced treatment of wastewater MBBR Automated condtrol is completed by intellectualizing system 22.
The utility model has the following advantages compared with prior art:
1. anaerobic biochemical reaction unit leading portion sets pre- anoxic biochemical treatment unit, nitrate and water inlet in returned sludge are reduced
Oxygen content, ensure the absolute anaerobic environment of follow-up anaerobic biological unit, mitigate the suppression of Nitrates, oxygen to anaerobic bacteria and make
With.
2. pre- anoxic biochemical reaction unit is provided with water distributor, water distributor is provided with umbrella-shaped baffle, and pre- anoxic unit bottom is provided with
Reflection cone, three's collective effect can form excessively stream slit in bottom, formed at a high speed, it is uniformly upper to current, impact base sludge, make
Sludge suspension, mixing plant is not provided with, reduces energy consumption, reduce operating cost, reduce equipment investment, reduce plant maintenance and management
Expense.
3. anaerobic biochemical reaction unit is provided with anaerobism flyidization column, water distributor is provided with post, water distributor is provided with umbrella-shaped baffle, post
Bottom is provided with W shape deflectors, to water velocity under raising, impacts base sludge, taper up-flow baffle plate can be improved to current stream
Speed, retains activated sludge, and micro-vortex can more preferably form closely knit activated sludge particles, W shapes deflector, umbrella-shaped baffle, up-flow gear
Plate, anaerobic gas generation cooperatively form sludge fluid bed, post bottom not deposition, are not provided with mixing plant, reduce energy consumption, reduce operation
Expense, equipment investment is reduced, reduce plant maintenance and administration fee.
4. anoxic biochemical reaction unit is provided with anoxic flyidization column, water distributor is provided with post, water distributor is provided with umbrella-shaped baffle, post
Bottom is provided with W shape deflectors, to water velocity under raising, impacts base sludge, and taper flows up the particular design hole on baffle plate,
Using boundary layer principle and micro- principles of hydrodynamics, micro-vortex is formed around hole, is improved to flow rate of water flow, retention activity
Sludge, micro-vortex can more preferably form closely knit activated sludge particles, W shapes deflector, umbrella-shaped baffle, up-flow baffle plate collective effect shape
Into sludge fluid bed, post bottom not deposition, mixing plant is not provided with, reduces energy consumption, reduce operating cost, reduced equipment investment, subtract
Few plant maintenance and administration fee.
5. pre- anoxic biochemical reaction unit, anaerobic biochemical reaction unit, anoxic biochemical reaction unit are provided with flush pipe, prevent
The heavy mud in bottom, maintains easily and manages during equipment is shut down and overhauled for a long time.
6. aerobic biochemical reaction member uses boring aeration pipe, aeration tube aeration is uniform, provided with anti-clogging mudhole, structure
Simply it is hardly damaged, it is non-maintaining.
7. aerobic biochemical reaction member is had using floating stuffing, specific surface area is big, hydrophily is good, bioactivity is high, biofilm
It hurry up, carrier is suspended in water in reactor after biofilm, is rotated freely under the stirring of aerating system, in biomembrane and water body
Pollutant contacts very abundant, filler mutual collisional mixing under Gas Stirring, cuts bubble, increases the amount of microbubble, increase
Water body turbulence level, gas-liquid interface resistance to mass tranfer is reduced, improve oxygen utilization efficiency.
8. the water outlet of aerobic biochemical reaction member is collected using intercept net, intercept net three dimensional designs, overall homogeneous solid perforate,
Effectively it can prevent filler from blocking.
9. High-rate sedimentation unit uses swash plate and water leg, ensure aqueous suspension lower, water outlet is more uniform.
10.MBBR techniques have the advantages of both conventional fluidization bed and biological contact oxidation process concurrently, by the exposure in aeration tank
The castering action of gas and current makes carrier be in fluidized state, and then forms the life of the activated sludge and apposition growth of suspension growth
Thing film, this allows for moving-bed biofilm and has used whole space reactor, gives full play to both attachment phase and suspended phase biology
Superiority.
11. sludge reflux uses stripping reflux, stripping reflux, which can utilize, turns round blower fan offer origin, reduces equipment and throws
Enter, reduce energy consumption, air-lift device is simple in construction, reduces and safeguards.
12. accurate filter filtering accuracy is up to 10 μm, filter element is complete standard device, and installation operation is simple, mistake
Filter is independent of each other with backwash, and without shutting down backwash, backwash water loss is few, and floor space is small, and power consumption is other similar mistakes
The 1/4 of filter, the loss of flood peak is small, and no more than 0.3m, impurity is not easy to be accumulated on filter screen, and backwash water under high pressure is easily removed miscellaneous
Matter.
Stably reached 13. water outlet can reach《Urban wastewater treatment firm pollutant emission standard》GB18918-2002 one-levels A
Standard.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (6)
1. microkinetic fluidizes pillar advanced treatment of wastewater MBBR, including pre- anoxic biochemical treatment unit(a),
It is characterized in that:Described pre- anoxic biochemical treatment unit(a)With anaerobic biochemical treatment unit(b)Connection, anaerobic biochemical treatment
Unit(b)With anoxic biochemical treatment unit(c)Connection, anoxic biochemical treatment unit(c)With aerobic treatment unit(d)Even
Connect, aerobic treatment unit(d)With High-rate sedimentation unit(e)Connection, High-rate sedimentation unit(e)With advanced treatment unit(f)
Connection, pre- anoxic biochemical treatment unit(a), anaerobic biochemical treatment unit(b), anoxic biochemical treatment unit(c), at aerobic biochemical
Manage unit(d), High-rate sedimentation unit(e), advanced treatment unit(f)Between package(g)Connection;
Described pre- anoxic biochemical treatment unit(a)Including pre- anoxic post, High-rate sedimentation unit(e)Sludge pipe(14)Lacked with pre-
Oxygen post connects, water inlet pipe(16)It is connected with pre- anoxic post, the middle part of pre- anoxic post is provided with water distributor I(1), water distributor I(1)Under
End is provided with umbrella shape plate(7), the bottom of pre- anoxic post is provided with reflection and bored(2), the upper end of pre- anoxic post is provided with water receiving tank(3), it is pre- to lack
Oxygen post and anaerobic biochemical treatment unit(b)Connection;
Described advanced treatment unit(f)Including coagulation tank(25)And accurate filter(19), High-rate sedimentation unit(e)With coagulation
Groove(25)Connection, coagulation tank(25)With accurate filter(19)Connection, accurate filter(19)Between package(g)Connection.
2. microkinetic according to claim 1 fluidizes pillar advanced treatment of wastewater MBBR, its feature
It is:Described anaerobic biochemical treatment unit(b)Including some end to end anaerobism posts(4), the anaerobism post of head end(4)With it is pre-
Anoxic biochemical treatment unit(a)Connection, anaerobism post(4)Middle part be provided with water distributor II(6), water distributor II(6)Lower end be provided with
Umbrella shape plate(7), anaerobism post(4)Bottom be provided with W shape deflectors(5), water distributor II middle part is provided with up-flow plate(11), tail end
Anaerobism post(4)With anoxic biochemical treatment unit(c)Connection.
3. microkinetic according to claim 1 fluidizes pillar advanced treatment of wastewater MBBR, its feature
It is:Described anoxic biochemical treatment unit(c)Including some end to end anoxic posts(9), aerobic treatment unit(d)
Pass through nitrification liquid return-flow system(15)With the anoxic post of head end(9)Connection, the anoxic post of head end(9)With anaerobic biochemical treatment unit
(b)Connection, anoxic post(9)Middle part be provided with water distributor III(10), water distributor III(10)Lower end be provided with umbrella shape plate(7), lack
Oxygen post(9)Bottom be provided with W shape deflectors(5), water distributor III(10)Middle part be provided with up-flow plate(11), the anoxic post of tail end
(9)With aerobic treatment unit(d)Connection.
4. microkinetic according to claim 1 fluidizes pillar advanced treatment of wastewater MBBR, its feature
It is:Described aerobic treatment unit(d)Including floating stuffing(24)With air pocket boring aeration pipe(26), air pocket wears
Hole aeration tube(26)Between package(g)Connection, aerobic treatment unit(d)With High-rate sedimentation unit(e)Between be provided with
Intercept net(8).
5. microkinetic according to claim 1 fluidizes pillar advanced treatment of wastewater MBBR, its feature
It is:Described High-rate sedimentation unit(e)Including tracheae(13), water leg(17)And swash plate(18), swash plate(18)It is located at middle part,
Tracheae(13)It is passed through bottom and and sludge pipe(14)Coordinate, tracheae(13)Between package(g)Connection, water leg(17)It is located at
Top and and advanced treatment unit(f)Connection.
6. microkinetic according to claim 1 fluidizes pillar advanced treatment of wastewater MBBR, its feature
It is:Between described package(g)Including swinging blower fan(20), chemicals dosing plant(21), intellectualizing system(22), ultraviolet
Sterilizer(23)With supply water source, Clothoid type blower fan(20)Respectively with tracheae(13), air pocket boring aeration pipe(26)Connection, adds
Medicine device(21)With advanced treatment unit(f)Coagulation tank(25)Connection, intellectualizing system(22)Respectively with swinging blower fan
(20), chemicals dosing plant(21), ultraviolet ray disinfector(23), supply water source connection, advanced treatment unit(f)With ultraviolet ray disinfector
(23)Connection, supply water source pass through flush pipe(12)Respectively with pre- anoxic post, anaerobism post(4), anoxic post(9)Connection.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114656104A (en) * | 2022-01-25 | 2022-06-24 | 河北恒特环保工程有限公司 | Energy-saving self-circulation A3O-MBBR sewage treatment device and method thereof |
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2017
- 2017-06-19 CN CN201720711010.5U patent/CN207031184U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114656104A (en) * | 2022-01-25 | 2022-06-24 | 河北恒特环保工程有限公司 | Energy-saving self-circulation A3O-MBBR sewage treatment device and method thereof |
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