CN106430861A - Efficient MBBR (moving bed biofilm reactor) sewage treatment device and sewage treatment process thereof - Google Patents
Efficient MBBR (moving bed biofilm reactor) sewage treatment device and sewage treatment process thereof Download PDFInfo
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- CN106430861A CN106430861A CN201611122944.1A CN201611122944A CN106430861A CN 106430861 A CN106430861 A CN 106430861A CN 201611122944 A CN201611122944 A CN 201611122944A CN 106430861 A CN106430861 A CN 106430861A
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- 238000000034 method Methods 0.000 title claims abstract description 83
- 239000010865 sewage Substances 0.000 title claims abstract description 74
- 230000008569 process Effects 0.000 title claims abstract description 64
- 239000010802 sludge Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 claims description 32
- 230000001105 regulatory effect Effects 0.000 claims description 19
- 238000009287 sand filtration Methods 0.000 claims description 17
- 238000010992 reflux Methods 0.000 claims description 14
- 238000004659 sterilization and disinfection Methods 0.000 claims description 10
- 206010021143 Hypoxia Diseases 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 230000001954 sterilising effect Effects 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 5
- 230000007954 hypoxia Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000005276 aerator Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 244000005700 microbiome Species 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 239000004155 Chlorine dioxide Substances 0.000 claims description 2
- 239000006004 Quartz sand Substances 0.000 claims description 2
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 2
- 238000011835 investigation Methods 0.000 claims description 2
- 230000004060 metabolic process Effects 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 239000006228 supernatant Substances 0.000 claims description 2
- 230000008016 vaporization Effects 0.000 claims description 2
- 210000001367 artery Anatomy 0.000 claims 2
- 210000003462 vein Anatomy 0.000 claims 2
- 230000033228 biological regulation Effects 0.000 claims 1
- 238000006213 oxygenation reaction Methods 0.000 claims 1
- 239000002574 poison Substances 0.000 claims 1
- 231100000614 poison Toxicity 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000000249 desinfective effect Effects 0.000 abstract description 2
- 238000002386 leaching Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000004576 sand Substances 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 229910052698 phosphorus Inorganic materials 0.000 description 9
- 239000011574 phosphorus Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 206010002660 Anoxia Diseases 0.000 description 4
- 241000976983 Anoxia Species 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 4
- 230000007953 anoxia Effects 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 229920000388 Polyphosphate Polymers 0.000 description 2
- 229920000037 Polyproline Polymers 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000001205 polyphosphate Substances 0.000 description 2
- 235000011176 polyphosphates Nutrition 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 238000004176 ammonification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 208000014451 palmoplantar keratoderma and congenital alopecia 2 Diseases 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses an efficient MBBR (moving bed biofilm reactor) sewage treatment device and a sewage treatment process thereof. The efficient MBBR sewage treatment device comprises an efficient MBBR device body, an anaerobic zone, a moving bed anoxic zone, an anoxic zone, a moving bed aerobic zone, a settling zone and a sand leaching zone are arranged in the efficient MBBR device body and sequentially connected through pipelines, a rough-precise grating and an adjusting tank are arranged in front of the efficient MBBR device body, the rough-precise grating is arranged in front of the adjusting tank, and a disinfecting tank is arranged at an outlet of the efficient MBBR device body. The efficient MBBR sewage treatment device has the advantages of high treatment efficiency, low cost, less energy consumption, easiness in operation and recovery, less sludge discharge and capabilities of improving treatment efficiency and reducing resource consumption.
Description
Technical field
The present invention relates to a kind of sanitary sewage disposal field, specifically a kind of efficient MBBR sewage-treatment plant and its dirt
Water treatment technology.
Background technology
Waste in life, sewage are one of primary pollution source of water body.Large amount of organic is contained in sanitary sewage, without
Process just directly discharge, body eutrophication can be caused, so lead to water hypoxia, smelly, algae grows in a large number, fish kills
The ecological balance of water body Deng, heavy damage.Domestic sewage treatment process is quite ripe at present, and its core technology is that activity is dirty
Mud method and biomembrance process, the improvement to activated sludge process (or biomembrance process) and development define at various different sanitary sewages
Science and engineering skill, such as oxidation ditch, A2/O, SBR, CASS etc..The actual feelings of the water yield, water quality and water outlet requirement and locality according to sewage
Condition, from rational sewage treatment process, has conclusive effect to the normal operation of sewage disposal, processing cost.
MBBR technological principle is by adding a number of suspending carrier in reactor, improving the biology in reactor
Amount and biological species, thus improve the treatment effeciency of reactor.Because packing density is close to water, so when aeration,
It is in the state that is thoroughly mixed with water, the environment of growth of microorganism is gas, liquid, solid three-phase.Collision in water for the carrier and shear action,
Make air bubble more tiny, increased the utilization rate of oxygen.In addition, being respectively provided with different biological species inside and outside each carrier,
Some anaerobe of growth inside or simultaneous oxygen bacterium, outside preferably bacteria, so each carrier are a microreactor, make nitrification
Reaction and anti-nitration reaction exist, thus improve treatment effect simultaneously.MBBR technique has conventional fluidization bed and biological concurrently
The advantage of both oxidizing process, is a kind of new and effective sewage water treatment method, rely on Aeration tank in aeration and current lifting
Effect makes carrier be in fluidized state, and then forms the activated sludge of suspension growth and the biomembrane of apposition growth, and this allows for
Moving-bed biofilm employs whole space reactor, gives full play to attachment mutually both superioritys biological with suspended phase, is allowed to
Maximize favourable factors and minimize unfavourable ones, be complementary to one another.From unlike conventional filler, floating stuffing can with sewage frequent multiple-contact thus be referred to as
" biomembrane of movement ".
UCT technique is a kind of improved A2/O technique, and in this technique, anaerobic pond carries out release and the ammonification of phosphorus, anoxic pond
Carry out denitrification denitrogenation, Aerobic Pond is used for removing BOD, absorbs phosphorus and nitrification.NO3-N due to returned sludge in A2/O technique
It is back to anaerobism section, disturb the anaerobism release of phosphorus in polyP bacteria cell body, reduce the clearance of phosphorus, make Nitrogen/Phosphorus Removal
It is difficult to further improve.Returned sludge is back to anoxia section by UCT technique first, and the NO3-N that returned sludge is taken back is in anoxia section
By denitrification denitrogenation, then anoxia section is gone out to flow mixed liquor part and be back to anaerobism section again.Denitrification due to anoxic pond
Make anoxia mixed-liquor return bring into anaerobic pond nitrate concentration very low, have certain density nitrate in sludge reflux, but
It is back to anoxic pond rather than anaerobic pond, so avoids the interference that NO3-N releases phosphorus to anaerobism section polyP bacteria, makes anaerobic pond
Function is not fully exerted, and has both improve the clearance of phosphorus, and denitrogenation is not affected, and this technique is to the clearance of nitrogen and phosphorus all
More than 70%.
MBBR sewage treatment process, generally there are the intrinsic shortcoming of some biomembrance process, such as filler is easy to run off, energy consumption
Larger.
Content of the invention
It is an object of the invention to provide a kind of efficient MBBR sewage-treatment plant and its sewage treatment process, to solve
The problem proposing in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of efficient MBBR sewage-treatment plant and its sewage treatment process, including efficient MBBR device body；Institute
State and in efficient MBBR device body, be provided with anaerobic zone, moving bed anoxic zone, anoxic zone, moving bed aerobic area, precipitation and sand filtration
Area；Described anaerobic zone, moving bed anoxic zone, anoxic zone, moving bed aerobic area, settling zone, sand filtration area are to be connected successively by pipeline
Connect；It is provided with thickness grid canal and regulating reservoir before efficient MBBR device body, thickness grid canal is arranged on the front side of regulating reservoir；
The outlet of efficient MBBR device body is provided with sterilization pool.
As the further scheme of the present invention：It is provided with pulse water distributing device above described anaerobic zone.
As the present invention further scheme：Described anoxic zone bottom is provided with elevator pump, and by pipeline and pulse cloth
Hydrophone front end is connected.
As the present invention further scheme：Described settling zone bottom is provided with bucket, and bucket is connected with mud mouth piece,
The outlet of sludge pump is connected with regulating reservoir by mud return line.
As the present invention further scheme：Described mud return line is provided with electrically operated valve.
As the present invention further scheme：It is provided with quartz burner in described sterilization pool.
As the present invention further scheme：Described moving bed aerobic area is provided with gas stripping type micro power reflux,
And be connected with anoxic zone.
As the present invention further scheme：It is provided with aerator in described moving bed aerobic area 6.
Compared with prior art, the invention has the beneficial effects as follows：
1st, sludge reflux is divided into two sections, first by and oxygen sludge reflux to anoxic zone, then by anoxic zone sludge reflux to detesting
Oxygen area, makes the function of regional at one's best, thus improve the efficiency of pollutant removal, the removal of strengthening system phosphorus
Effect.
2nd, the application of pulse water distributing device and stripping circumfluence method, makes this some electrical power consumption be zero, greatly reduces the energy and disappear
Consumption.
3rd, the present invention has treatment effeciency height, low cost, and energy consumption is little, easy-operating feature.
4th, sludge discharge is few, easily reclaims, and improves treatment effeciency, reduces resource consumption.
Brief description
Fig. 1 is the process chart of a kind of efficient MBBR sewage-treatment plant and its sewage treatment process.
Fig. 2 is the construction module schematic diagram of a kind of efficient MBBR sewage-treatment plant and its sewage treatment process
In figure：Thickness grid canal 1, regulating reservoir 2, anaerobic zone 3, moving bed anoxic zone 4, anoxic zone 5, moving bed aerobic area 6,
Settling zone 7, sand filtration area 8, sterilization 9, pulse water distributing device 10, aerator 11, sludge reflux 12, stirring 13.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1-2, in the embodiment of the present invention, a kind of efficient MBBR sewage-treatment plant and its sewage disposal work
Skill, including efficient MBBR device body；Be provided with described efficient MBBR device body anaerobic zone 3, moving bed anoxic zone 4,
Anoxic zone 5, moving bed aerobic area 6, settling zone 7 and sand filtration area 8；Described anaerobic zone 3, moving bed anoxic zone 4, anoxic zone 5, movement
Bed aerobic area 6, settling zone 7 and sand filtration area 8 are to be sequentially connected by pipeline；It is provided with thickness lattice before efficient MBBR device body
Grid canal 1 and regulating reservoir 2, thickness grid canal 1 is arranged on the front side of regulating reservoir 2；The outlet of efficient MBBR device body is provided with and disappears
Malicious pond 9.
A kind of efficient MBBR sewage-treatment plant and its sewage treatment process, including thickness grid canal, regulating reservoir, anaerobism
Process section, moving bed anoxic process section, anoxic process section, moving bed and oxygen process section, sand filtration process section and depositing technology section work
Skill and step are as follows,
A, thickness grid filtration：COD is 200～600mg/L, BOD5It is 150～300mg/ for 120～480mg/L, SS
L, TN are 40～60mg/L, and the sanitary sewage that ammonia nitrogen is 20～50mg/L, pH value is 6～9 send after filtering through thick, fine fack successively
Enter in regulating reservoir；
B, regulating reservoir：In regulating reservoir, impeller is installed, carries out homogenizing stirring, the sanitary sewage time of staying is set to 6h,
Carry out runoff investigation；
C, anaerobic technique section：Sanitary sewage in regulating reservoir is pumped into anaerobic technique section, alr mode adopts pulsed, lead to
Extra pulse water-locator is realized, and pulse water distributing device is located at the top of anaerobic technique section, and pulse water distributing device is to be made using siphon principle
Equipment, there is no power consumption, the impulsive force of its moment can be by muddy water mix homogeneously, and the pulse spacing is 6-8min, raw
Live dwell time of sewage 1.5～2.0h；
D, moving bed anoxic process section：Pass through gravity flow through the sanitary sewage of anaerobic treatment and flow into moving bed anoxic process section
In, place filler in process section, so that microorganism is adhered to and growth metabolism, filler adopts ring packing or Ball-type packing；Life
Dwell time of sewage is 1.0～1.5h；
E, anoxic process section：Through the pre- hypoxia response of moving bed anoxic process section, sewage flows into anoxic process section to be carried out
Secondary hypoxia response, further denitrogenation, the time of staying is 1.0～1.5h；Mud in anoxic process section passes through to lift pump reflux
To pulse water distributing device, sludge reflux and anaerobic technique section stirring action, return sludge ratio are realized by pulse water distributing device simultaneously
For 1:1；
F, moving bed and oxygen process section：Through anoxic process section from flowing in moving bed aerobic area, aerobic area is arranged sewage
Oxygenate apparatus, steam-water ratio is 1:10, the sanitary sewage time of staying is 4.0～6.0h；The mud of aerobic area is carried out by vaporizing extract process
Backflow, is back to moving bed anoxic process section, and return sludge ratio is 1:1；
G, depositing technology section：The sewage of moving bed aerobic area enters depositing technology section, and it is just heavy to carry out, and the sedimentation time is 2.5
～3.0h, the excess sludge in bucket passes through sludge pump, pumps in regulating reservoir, is periodically cleared up；
H, sand filtration process section：Supernatant after precipitation, from flowing in sand filtration process section, removes SS, the time of staying further
For 20～30min, sand filtration is using quartz sand or haydite；
I, water outlet：Sanitary sewage after processing in sand filtration process section is drained into clear water reserviors by gravity flow, carry out disinfection place
Reason, sterilization adopts chlorine dioxide or ultraviolet, and the time of staying is 20min；Life dirt flow by gravity discharge after sterilization, discharge
Sanitary sewage in COD clearance be 85%～95%, BOD5 clearance be 90%～95%, ammonia nitrogen removal frank be 90%, TN
Clearance is 75%, SS clearance is 98%；
Preferably, before step a, sanitary sewage is processed before carrying out in oil interceptor and anaerobic tank.
Preferably, in step e, f, sludge reflux is by the valve regulated sludge reflux being installed on mud return line
Than.
The alr mode of described anaerobism workshop section adopts pulsed, is realized by pulse water distributing device, and pulse water distributing device is located to be detested
The top of oxygen process section.
Muddy water mixed solution is promoted to moving bed anoxic zone by stripping form by the mud of described moving bed and oxygen process section
Carry out sludge reflux.
In described anoxic process section, mud is back in pulse water distributing device by elevator pump, simultaneously real by pulse water distributing device
Existing sludge reflux and anaerobic technique section stirring action.
Described pulse water distributing device is the equipment being made using siphon principle, does not have power consumption, the impact of its moment
Power can be by muddy water mix homogeneously, and the pulse spacing is 6-8min.
Embodiment
Certain sanitary sewage disposal point, treatment scale is 2000m3/d, and in raw water, COD is 162.5mg/ for 234.6mg/L, SS
L, ammonia nitrogen are 26.5mg/L, TN is 6～9 for 49.7mg/L, pH.The maintenance anaerobic zone time of staying is 2.0h, moving bed anoxic zone
The time of staying is 1.5h, and the anoxic zone time of staying is 1.5h, and the moving bed aerobic area time of staying is 4.5h, the settling zone time of staying
For 3h, the sand filtration area time of staying is 20min, and pH maintains 7.53, and temperature maintains 16.4 DEG C, and return sludge ratio is 1:1, pulse
The burst length of water-locator is 8min, and disinfecting time is 20min.After process, water outlet reaches《Urban wastewater treatment firm pollutant are arranged
Put standard》(GB 18918-2002) one-level A is marked.
Result
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as limiting involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (8)
1. a kind of efficient MBBR sewage-treatment plant and its sewage treatment process, including efficient MBBR device body, it is special
Levy and be, be provided with anaerobic zone, moving bed anoxic zone, anoxic zone, moving bed aerobic area in described efficient MBBR device body, sink
Form sediment and sand filtration area；Described anaerobic zone, moving bed anoxic zone, anoxic zone, moving bed aerobic area, settling zone, sand filtration area are by pipe
Road is sequentially connected；It is provided with thickness grid canal and regulating reservoir before efficient MBBR device body, thickness grid canal is arranged on regulation
The front side in pond；The outlet of efficient MBBR device body is provided with sterilization pool.
2. a kind of efficient MBBR sewage-treatment plant according to claim 1 and its sewage treatment process, its feature exists
In being provided with pulse water distributing device above described anaerobic zone.
3. a kind of efficient MBBR sewage-treatment plant according to claim 1 and its sewage treatment process, its feature exists
In described anoxic zone bottom is provided with elevator pump, and is connected with pulse water distributing device front end by pipeline.
4. a kind of efficient MBBR sewage-treatment plant according to claim 1 and its sewage treatment process, its feature exists
In described settling zone bottom is provided with bucket, and bucket is connected with mud mouth piece, and mud return line and tune are passed through in the outlet of sludge pump
Section pond is connected.
5. a kind of efficient MBBR sewage-treatment plant according to claim 4 and its sewage treatment process, its feature exists
In described mud return line is provided with electrically operated valve.
6. a kind of efficient MBBR sewage-treatment plant according to claim 1 and its sewage treatment process, its feature exists
In being provided with quartz burner in described sterilization pool.
7. a kind of efficient MBBR sewage-treatment plant according to claim 1 and its sewage treatment process, its feature exists
In described moving bed aerobic area is provided with gas stripping type micro power reflux, and is connected with anoxic zone.
8. a kind of efficient MBBR sewage-treatment plant according to claim 1 and its sewage treatment process, its feature exists
In being provided with aerator in described moving bed aerobic area 6.
The comprising the following steps that of a kind of efficient MBBR sewage-treatment plant and its sewage treatment process：A, thickness grid filtration：
COD is 200～600mg/L, BOD5For 120～480mg/L, SS be 150～300mg/L, TN be 40～60mg/L, ammonia nitrogen is
20～50mg/L, pH value be 6～9 sanitary sewage filter through thick, fine fack successively after send in regulating reservoir；
B, regulating reservoir：In regulating reservoir, impeller is installed, carries out homogenizing stirring, the sanitary sewage time of staying is set to 6h, carries out
Runoff investigation；
C, anaerobic technique section：Sanitary sewage in regulating reservoir is pumped into anaerobic technique section, alr mode adopts pulsed, by arteries and veins
Rush water-locator to realize, pulse water distributing device is located at the top of anaerobic technique section, and pulse water distributing device is to be made using siphon principle
Equipment, there is no power consumption, the impulsive force of its moment can be by muddy water mix homogeneously, and the pulse spacing is 6-8min, and life is dirty
Water retention time 1.5～2.0h；
D, moving bed anoxic process section：Pass through gravity flow through the sanitary sewage of anaerobic treatment and flow in moving bed anoxic process section,
Place filler in process section, so that microorganism is adhered to and growth metabolism, filler adopts ring packing or Ball-type packing；Sanitary sewage
The time of staying is 1.0～1.5h；
E, anoxic process section：Through the pre- hypoxia response of moving bed anoxic process section, sewage inflow anoxic process section carries out secondary
Hypoxia response, further denitrogenation, the time of staying is 1.0～1.5h；Mud in anoxic process section is back to arteries and veins by elevator pump
Rush in water-locator, sludge reflux and anaerobic technique section stirring action are realized by pulse water distributing device simultaneously, return sludge ratio is 1:
1；
F, moving bed and oxygen process section：Through anoxic process section from flowing in moving bed aerobic area, aerobic area arranges oxygenation to sewage
Device, steam-water ratio is 1:10, the sanitary sewage time of staying is 4.0～6.0h；The mud of aerobic area is flowed back by vaporizing extract process,
It is back to moving bed anoxic process section, return sludge ratio is 1:1；
G, depositing technology section：The sewage of moving bed aerobic area enters depositing technology section, and it is just heavy to carry out, and the sedimentation time is 2.5～
3.0h, the excess sludge in bucket passes through sludge pump, pumps in regulating reservoir, is periodically cleared up；
H, sand filtration process section：Supernatant after precipitation, from flowing in sand filtration process section, removes SS, the time of staying is 20 further
～30min, sand filtration adopts quartz sand or haydite；
I, water outlet：Sanitary sewage after processing in sand filtration process section is drained into clear water reserviors, disinfection by gravity flow, disappears
Poison adopts chlorine dioxide or ultraviolet, and the time of staying is 20min；Life dirt flow by gravity discharge after sterilization, the life of discharge
In sewage alive, COD clearance is 90%～95% for 85%～95%, BOD5 clearance, and ammonia nitrogen removal frank is that 90%, TN removes
Rate is 75%, SS clearance is 98%.
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| CN109809639A (en) * | 2019-03-07 | 2019-05-28 | 合肥格讯环保技术有限公司 | A kind of high-efficient denitrification and dephosphorization sewage disposal system |
| CN112429920A (en) * | 2020-12-02 | 2021-03-02 | 云南妙拓环保科技有限公司 | Sewage treatment method based on MUASB anaerobic reactor |
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| CN108285246A (en) * | 2018-03-29 | 2018-07-17 | 绍兴柯桥江滨水处理有限公司 | A kind of low-energy-waste sewage treatment unit using algae photosynthesis |
| CN108285246B (en) * | 2018-03-29 | 2024-01-30 | 绍兴柯桥江滨水处理有限公司 | Low-energy-consumption sewage treatment device utilizing algae photosynthesis |
| CN109809639A (en) * | 2019-03-07 | 2019-05-28 | 合肥格讯环保技术有限公司 | A kind of high-efficient denitrification and dephosphorization sewage disposal system |
| CN112429920A (en) * | 2020-12-02 | 2021-03-02 | 云南妙拓环保科技有限公司 | Sewage treatment method based on MUASB anaerobic reactor |
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