CN208471832U - A kind of AO-AO/MBBR formula sewage disposal system - Google Patents
A kind of AO-AO/MBBR formula sewage disposal system Download PDFInfo
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- CN208471832U CN208471832U CN201820862714.7U CN201820862714U CN208471832U CN 208471832 U CN208471832 U CN 208471832U CN 201820862714 U CN201820862714 U CN 201820862714U CN 208471832 U CN208471832 U CN 208471832U
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Abstract
The utility model provides a kind of AO-AO/MBBR formula sewage disposal system, which includes the first biological treatment tank being sequentially communicated according to water (flow) direction, the second biological treatment tank, fast adsorption tank and secondary settling tank.The outlet of first biological treatment tank and the inlet communication of the second biological treatment tank, the outlet of the second biological treatment tank and the inlet communication of fast adsorption tank, the outlet of fast adsorption tank and the inlet communication of secondary settling tank；First biological treatment tank includes an anaerobic zone being sequentially communicated according to water (flow) direction and at least one aerobic zone and/or anoxic zone；Second biological treatment tank includes the aerobic area MBBR, and the end in the aerobic area MBBR is equipped with nitrification liquid air-lift device and carrier filler blocking apparatus；Silicon-carbon adsorbent is disposed in fast adsorption tank.Sewage disposal system provided by the utility model passes through comprehensive A2O, the technical characteristic of multistage AO, MBBR, and biodegrade, absorption, condensation technique are effectively combined, enhance pollutant steady removal function.
Description
Technical field
The utility model relates to technical field of sewage, can strengthen pollutant steady removal function more particularly to one kind
The AO-AO/MBBR formula sewage disposal system of energy.
Background technique
Existing sewage second-level biochemical process mostly uses A2O or its improved process, (such as high COD, high ammonia when meeting water inlet impact
Nitrogen, high TN, high chroma, oil-containing, containing hardly degraded organic substance etc.), lead to that biochemical system pool capacity is limited, regulation buffer capacity is insufficient,
Especially winter bioactivity is poor, nitrification efficiency is low, and effluent quality is difficult to stably reaching standard；If being related to existing treatment facility mentions mark
When demand, by limitations such as place, capital expenditure, construction times, it is difficult to which quickly determining stablize effectively proposes mark technical solution.
Existing A2O, the filling carriers such as suspended actives sludge or MBBR, biological fluidized bed such as multistage AO attachment activity is dirty
Mud processing technique, but lack A2O, the multistage integrated optimizations technology such as AO, MBBR and absorption, when coping with super design influent quality
Regulation off-capacity or water quality propose mark conditions of demand.
Utility model content
To solve or alleviating the above problem, the utility model provides a kind of sewage disposal system.The sewage treatment system
System includes the first biological treatment tank being sequentially communicated according to water (flow) direction, the second biological treatment tank, fast adsorption tank and secondary settling tank；Institute
State outlet and the inlet communication of second biological treatment tank of the first biological treatment tank, the outlet of second biological treatment tank
With the inlet communication of the fast adsorption tank, the outlet of the fast adsorption tank and the inlet communication of the secondary settling tank；Described first is raw
Object processing pond includes an anaerobic zone being sequentially communicated according to water (flow) direction and at least one aerobic zone and/or anoxic zone；Institute
Stating the second biological treatment tank includes the aerobic area MBBR, and the end in the aerobic area MBBR is equipped with nitrification liquid air-lift device and carrier is filled out
Expect blocking apparatus；Silicon-carbon adsorbent is disposed in the fast adsorption tank.
Preferably, second biological treatment tank further includes the area anoxic MBBR, the import in the area the anoxic MBBR with it is described
The outlet of first biological treatment tank；The outlet in the area the anoxic MBBR and the inlet communication in the aerobic area MBBR；It is described
The aerobic area MBBR conveys nitrification liquid and small-sized filling carrier to the area the anoxic MBBR by the nitrification liquid air-lift device, and leads to
Crossing filler reflux prevents the filler in the area the anoxic MBBR to be lost to the migration in the aerobic area MBBR.
Preferably, at least one described aerobic zone and/or anoxic zone are an aerobic zone and an anoxic zone；The anaerobism
The inlet communication of the outlet and the aerobic zone in area；The inlet communication of the outlet and the anoxic zone of the aerobic zone；It is described to lack
The outlet in oxygen area and the inlet communication in the area the anoxic MBBR.
Preferably, at least one described aerobic zone and/or anoxic zone are an aerobic zone and an anoxic zone；The anaerobism
The inlet communication of the outlet and the anoxic zone in area；The inlet communication of the outlet and the aerobic zone of the anoxic zone；It is described good
The outlet in oxygen area and the inlet communication in the area the anoxic MBBR.
Preferably, at least one described aerobic zone and/or anoxic zone are an aerobic zones；The outlet of the anaerobic zone and institute
State the inlet communication of aerobic zone；The outlet of the aerobic zone and the inlet communication in the area the anoxic MBBR.
Preferably, at least one described aerobic zone and/or anoxic zone are an aerobic zone and two anoxic zones；The anaerobism
The inlet communication of the outlet and the first anoxic zone in described two anoxic zones in area；The outlet of first anoxic zone with it is described good
The inlet communication in oxygen area；The inlet communication of the outlet and the second anoxic zone in described two anoxic zones of the aerobic zone；It is described
The outlet of second anoxic zone and the inlet communication in the aerobic area MBBR.
Preferably, the exit of the fast adsorption tank or the entrance of the secondary settling tank are provided with flocculant concentration dress
It sets.Particularly, flocculant can be high polymer coagulant.
Preferably, the silicon-carbon adsorbent is made of being blended in proportion as active carbon and diatomite.
According to the industrial wastewater treatment system in the utility model, obtainable beneficial effect at least that:
Comprehensive A2O, the technical characteristic of multistage AO, MBBR, and biodegrade, absorption, condensation technique are effectively combined,
Enhance pollutant steady removal function.Specifically, it is AOA technique by traditional AAO process optimization, reduces interior reflux pump and set
It sets；By traditional Multilevel A/O Technology, it is optimized for AO-AO/MBBR technique, realizes the mobile vehicle symbiosis of mud film；By after biochemistry
End increases fast adsorption tank, fortified biosorption removal effect；Macromolecule is added in the outlet or secondary settling tank import of fast adsorption tank to rise
Tiny flocculation effect, improves solid-liquid separation effect.
It should be appreciated that aforementioned description substantially and subsequent detailed description are exemplary illustration and explanation, it should not
As the limitation to the claimed content of the utility model.
Detailed description of the invention
With reference to the attached drawing of accompanying, the more purposes of the utility model, function and advantage will pass through the utility model embodiment party
Formula is illustrated described below, in which:
Fig. 1 is the structural schematic diagram of the sewage disposal system of the first embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the sewage disposal system of the second embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the sewage disposal system of the 3rd embodiment of the utility model.
Fig. 4 is the structural schematic diagram of the sewage disposal system of the fourth embodiment of the utility model.
Fig. 5 is the structural schematic diagram of the sewage disposal system of the 5th embodiment of the utility model.
Specific embodiment
By reference to exemplary embodiment, the purpose of this utility model and function and for realizing these purposes and function
Method will be illustrated.However, the utility model is not limited to exemplary embodiment as disclosed below；It can be by not
It is realized with form.The essence of specification is only to aid in those skilled in the relevant arts' Integrated Understanding the utility model
Detail.
Before the technical solution of the utility model is specifically described, first to the art mentioned in the utility model
Language carries out explanation appropriate.
" coloration " mentioned herein refer to containing in water deliquescent substance or the class that is presented of colloid substance it is yellow
Color or even filemot degree.
" COD " mentioned herein (Chinese name: COD, full name in English: Chemical Oxygen
Demand) refer to the amount for the reducing substances for needing to be oxidized in chemical method measurement water sample.Waste water, wastewater treatment plant effluent and
In contaminated water, the oxygen equivalent for the substance (generally organic matter) that can be aoxidized by strong oxidizer.In river pollution and Industry Waste
In the operational management of aqueous Quality Research and waste water treatment plant, it is that an organic matter that is important and can comparatively fast measuring is dirty
Contaminate parameter.
" BOD " mentioned herein (Chinese name: biochemical oxygen demand (BOD), full name in English: Biochemical Oxygen
Demand) refer to biochemical oxygen demand (BOD) or bod, indicate a synthesis of the aerobic pollutions matter contents such as Organic substance in water
Index.Illustrate that Organic substance in water since the biochemical action of microorganism carries out oxygenolysis, is allowed to inorganization or is disappeared when aerifying
Consume the total quantity of oxygen in water.
" BOD mentioned herein5" refer to biochemical oxygen demand (BOD) on the 5th, indicate aerobic microbiological oxygen in the case where aerobic
Change the quantity for decomposing free state oxygen consumed by unit volume Organic substance in water.
" B/C ratio " mentioned herein refers to BOD5The ratio of/COD, B/C ratio typically represent the biodegradability of waste water,
Ratio is higher, and to represent biodegradability better.
" SS " mentioned herein (Chinese name: suspended matter, full name in English: Suspended Solids) refers to suspension
Solid matter in water, including inorganic matter insoluble in water, organic matter and silt particle, clay, microorganism etc..Suspended matter in water
Content is to measure one of the index of water pollution degree.
" TN " mentioned herein (Chinese name: nitrogen pool, full name in English: Total Nitrogen) refers to each in water
The inorganic total amount with organic nitrogen of kind form.Including NO3 -、NO2 -And NH4 +Equal inorganic nitrogens and protein, amino acid and organic amine etc. have
Machine nitrogen is calculated with the nitrogenous milligram number of every liter of water.Often it is used to represent the degree that water body is polluted by nutriment.
" TP " mentioned herein (Chinese name: total phosphorus content, full name in English: Total Phosphorus) refers to water sample
After clearing up the phosphorus of various forms is transformed into measuring after orthophosphates as a result, being measured with the phosphorous milligram number of every liter of water sample.
" anaerobic pond " mentioned herein (or anaerobic zone) refers to that raw sewage and the phosphorous reflux being discharged from sedimentation basin are dirty
Mud is synchronous to enter reactor therein, and major function is release phosphorus, while carrying out ammonification to partial organic substances.
It is therein that " aerobic tank " mentioned herein (or aerobic zone) refers to that mixed liquor is entered by anoxic pond or anaerobic pond
Reactor, function be it is multiple, removal BOD, nitrification and absorb phosphorus be all to be carried out in the reactor, this three reaction all
It is important, BOD (or COD) is removed in the mixed liquor sewage of " aerobic tank " end, and a large amount of NO are contained in sewage3- N is mixed
The phosphorus containing surplus in liquid sludge is closed,.Flow flows back into scarce from here for the mixed liquor of 0%~300%Q (Q-raw sewage amount)
Oxygen pond.
It is therein anti-that " anoxic pond " mentioned herein (or anoxic zone) refers to that sewage enters through anaerobic pond or aerobic tank
Device is answered, premiere feature is denitrogenation, and nitrate nitrogen is sent by interior backflow ring, and the mixing liquid measure of reflux is larger, generally 0%
~300%Q (Q-raw sewage amount).
" AO " mentioned herein (Chinese name: anaerobic and aerobic process, full name in English: Anaerobic-Oxic) technique is
Refer to, raw water and initially enter anaerobic pond from the sludge that sedimentation basin flows back, in the polyP bacteria in this sludge using molten in raw sewage
It solves state organic matter and carries out anaerobic phosphorus release；Subsequently into aerobic tank, the nitrifier in this sludge carries out nitrification will be in waste water
Mineralized nitrogen be NO3-N、NO2PolyP bacteria carries out aerobic phosphorus absorption to-N simultaneously, and remaining organic matter is also herein by aerobic bacteria oxygen
Change, most carries out mud-water separation through sedimentation basin afterwards, the sludge part of Chinese effluent, precipitating returns to anaerobic pond, partially remaining with rich phosphorus
Sludge discharge.
" A mentioned herein2O " (Chinese name: anaerobic- anoxic- oxic method, full name in English: Anaerobic-
Anoxic-Oxic) technique, also referred to as AAO technique, the technique add an anoxic pond in anaerobic-aerobic dephosphorization process, will regard for oneself
The mixed liquor of oxygen pond end is back to anoxic pond front end, to achieve the purpose that denitrification denitrogenation.A2/ O technique synchronizes dephosphorization
Denitrogenation mechanism consists of two parts: first is that dephosphorization, polyP bacteria in sewage under anaerobic state (DO < 0.3mg/L) passes through itself
Biochemical reaction phosphorus is discharged into water, under aerobic situation polyP bacteria again by its it is more absorb, arranged in the form of excess sludge
System out.Second is that denitrogenation, anoxic section will control DO < 0.5mg/L, due to the effect of simultaneous oxygen denitrifier, using BOD in water as electricity
Sub- donor, by the NO in aerobic tank mixed liquor3- N and NO2- N is reduced into nitrogen and escapes into atmosphere, achievees the purpose that denitrogenation.
" AOA " mentioned herein (Chinese name: anaerobic-aerobic-oxygen lacking method, full name in English: Anaerobic-
Oxic-Anoxic) technique is to A2A kind of improvement of O technique.The technique adds an anoxic after anaerobic-aerobic dephosphorization process
The mixed liquor of aerobic tank end is passed through anoxic pond by pond, to achieve the purpose that further denitrification denitrogenation.Compared to A2O work
Skill, this technique reduce interior reflux pump setting.
" MBBR " mentioned herein (Chinese name: moving bed biofilm reactor, full name in English: Moving Bed
Biofilm Reactor) technique is a kind of sewage treatment process from Norway, which absorbs conventional fluidization bed and biology
The advantages of two kinds of technique of contact oxidation method, has good Nitrogen/Phosphorus Removal.Sewage is continuously across MBBR reactor, and biology is not
Metabolism is only bred in activated sludge, and gradually forms biomembrane in floating stuffing surfaces externally and internally, by activated sludge and raw
The collective effect of microbiologic population's system on object film, makes to purify the sewage.
The utility model is difficult to stably reaching standard for regulation off-capacity, water quality, is difficult to quickly determine that stabilization effectively mentions
The case where marking technical solution devises a kind of sewage disposal system from the angle for strengthening pollutant steady removal function.This
Traditional AAO process optimization is AOA technique by the sewage disposal system of utility model, reduces interior reflux pump setting；It will be traditional
Multilevel A/O Technology is optimized for AO-AO/MBBR technique, realizes the mobile vehicle symbiosis of mud film；By increasing fast absorption in biochemical rear end
Pond, fortified biosorption removal effect；Macromolecule is added in secondary settling tank import and plays tiny flocculation, improves solid-liquid separation effect.
In order to be clearer and more clear the technical solution of the utility model, below with reference to accompanying drawings and specific implementation is combined
The sewage disposal system of the utility model is described in detail in example.
Fig. 1 shows the sewage disposal system of the first embodiment of the utility model.As shown in Figure 1, the dirt of the present embodiment
Water treatment system includes the first biological treatment tank 101 being sequentially communicated according to water (flow) direction, the second biological treatment tank 102, fast suction
Attached pond 103 and secondary settling tank 104.The outlet of first biological treatment tank 101 and the inlet communication of the second biological treatment tank 102.Second
The outlet of biological treatment tank 102 and the inlet communication of fast adsorption tank 103.The outlet of fast adsorption tank 103 and the import of secondary settling tank 104
Connection.
First biological treatment tank 101 includes the anaerobic zone 101A and aerobic zone 101B being sequentially communicated according to water (flow) direction.The
Two biological treatment tanks 102 include the aerobic area MBBR 102A.The outlet of anaerobic zone 101A and the inlet communication of aerobic zone 101B, and
And outlet and the inlet communication of the aerobic area MBBR 102A of aerobic zone 101B.The outlet of the aerobic area MBBR 102A and fast adsorption tank
103 inlet communication.
Nitrification liquid air-lift device is installed in the end of the aerobic area MBBR 102A, using the air of air blast oxygenation as gas source,
Convey nitrification liquid and small-sized filling carrier to its leading portion area prevents leading portion area filler to the aerobic area MBBR 102A by filler reflux
Migration be lost.Mixed liquor why uses air lift rather than pump proposes mode, mainly prevents impeller of pump cutting from causing plastic filler broken
It is broken, it can not continue with.The aerobic area the MBBR end 102A is equipped with carrier filler blocking apparatus, and water outlet enters fast adsorption tank.
Silicon-carbon adsorbent is added (by a certain percentage by active carbon and diatomite by throwing device in the front end of fast adsorption tank
Blend), increase sludge wadding body specific surface area and absorption property, is decolourized, intractable COD enhancing degradation and inhibits sludge
Filamentary discharges.It is disposed with flocculating agent feeding device in the exit of the fast adsorption tank or the entrance of secondary settling tank, is further thrown
Add micro high polymer coagulant, is conducive to carry out mud-water separation in secondary settling tank.
It follows that the sewage disposal system of the present embodiment passes through the technical characteristic of comprehensive multistage AO and MBBR, and will give birth to
Object degradation, absorption, condensation technique are effectively combined, and pollutant steady removal function is enhanced.
Next, the sewage disposal system that the second embodiment of the present invention will be described referring to Fig. 2.As shown in Fig. 2, second is real
The difference for applying the sewage disposal system of example and the sewage disposal system of first embodiment is only in that, the dirt of second embodiment
First biological treatment tank of water treatment system further includes anoxic zone 101C and 101D.At the second biology in second embodiment
Reason pond 102, fast adsorption tank 103 and secondary settling tank 104 are respectively provided with and the second biological treatment tank 102 in first embodiment, fast suction
Attached pond 103 and the identical structure and function of secondary settling tank 104, so the descriptions thereof are omitted herein.
In the present embodiment, the inlet communication of the outlet of anaerobic zone 101A and anoxic zone 101C, the outlet of anoxic zone 101C
With the inlet communication of aerobic zone 101B, the outlet of aerobic zone 101B and the inlet communication of anoxic zone 101D, anoxic zone 101D's goes out
The inlet communication of mouth and the aerobic area MBBR 102A.Compared to the first embodiment, the sewage disposal system of the present embodiment is due to addition
Anoxic zone 101C and 101D and further enhance pollutant steady removal function.
Then, the sewage disposal system of the third embodiment of the present invention will be described referring to Fig. 3.As shown in figure 3, third is implemented
The sewage disposal system of example and the difference of sewage disposal system of first embodiment be only in that, the sewage of 3rd embodiment
First biological treatment tank of processing system further includes anoxic zone 101C, and the second biological treatment tank further includes anoxic MBBR area 102B.
The outlet of anaerobic zone 101A and the inlet communication of aerobic zone 101B, the outlet of aerobic zone 101B and the import of anoxic zone 101C connect
It is logical, the outlet of anoxic zone 101C and the inlet communication of anoxic MBBR area 102B, outlet and the aerobic MBBR of anoxic MBBR area 102B
The inlet communication of area 102A.Due in 3rd embodiment fast adsorption tank 103 and secondary settling tank 104 is respectively provided with and first embodiment
In fast adsorption tank 103 and the identical structure and function of secondary settling tank 104, so the descriptions thereof are omitted herein.
In the sewage disposal system of the present embodiment, first in anaerobic zone 101A, aerobic zone 101B, anoxic zone 101C, into
Water realizes that multiple spot distribution, flow is adjustable, meets denitrogenation/dephosphorization different function internal carbon source demand.P is released by anaerobism, it is aerobic to go
Except COD, ammonification, nitrification, the reaction such as P and denitrification denitrogenation is inhaled, realizes level-one biodegrade, the nitre that aerobic zone 101B is generated
Change liquid and flows directly into the anoxic zone 101C of subsequent processing, reflux pump in no setting is required.Then by anoxic MBBR area 102B, aerobic
The area MBBR 102A further realizes secondary reinforcement degradation.In the respective independent reaction of anoxic MBBR area 102B, the aerobic area MBBR 102A
In area, the small-sized suspension plastic filler of a certain proportion of lightweight is added, as bio-carrier to realize biological sludge multiplication, mud
Film strengthens collaboration processing.Nitrification liquid air-lift device is installed in the end of the aerobic area MBBR 102A, the air using air blast oxygenation is made
For gas source, nitrification liquid and small-sized filling carrier are conveyed to anoxic MBBR area 102B, in favor of the denitrifying progress in the second level, and is led to
Crossing filler reflux prevents the area anoxic MBBR 102B filler to be lost to the migration of the aerobic area MBBR 102A.Why mixed liquor uses gas
It mentions rather than pumps the mode of proposing, mainly prevent impeller of pump cutting from causing plastic filler broken, can not continue with.The aerobic area MBBR 102A
End be equipped with carrier filler blocking apparatus, water outlet enter fast adsorption zone, this area arrange silicon-carbon adsorbent (active carbon and diatom
Soil blends by a certain percentage), increase sludge wadding body specific surface area and absorption property, decolourized, intractable COD enhancing degradation and
Inhibit sludge filamentary discharges, further add micro high polymer coagulant in end, is conducive to carry out muddy water point in secondary settling tank
From.
Therefore, traditional AAO process optimization is AOA technique by the sewage disposal system of the present embodiment, reduces interior reflux pump
Setting；By traditional Multilevel A/O Technology, it is optimized for AO-AO/MBBR technique, realizes the mobile vehicle symbiosis of mud film；By in biochemistry
Rear end increases fast adsorption tank, and fortified biosorption removal effect adds macromolecule in secondary settling tank import and plays tiny flocculation, improves
Mud-water separation effect.In other words, the comprehensive A of the sewage disposal system of the present embodiment2O, the technical characteristic of multistage AO, MBBR, and
Biodegrade, absorption, condensation technique are effectively combined, plays and strengthens pollutant steady removal function.
Then, the sewage disposal system of the fourth embodiment of the present invention will be described referring to Fig. 4.As shown in figure 4, the 4th implements
The difference of the sewage disposal system of the sewage disposal system and 3rd embodiment of example is only in that, in the first biological treatment tank
Aerobic zone 101B and the position of anoxic zone 101C be exchanged.That is, the outlet of anaerobic zone 101A and the import of anoxic zone 101C connect
Logical, the outlet of anoxic zone 101C and the inlet communication of aerobic zone 101B, the outlet of aerobic zone 101B is with anoxic MBBR area 102B's
Inlet communication.Due to the second biological treatment tank 102, fast adsorption tank 103 and the secondary settling tank 104 in fourth embodiment be respectively provided with
The second biological treatment tank 102, fast adsorption tank 103 and the identical structure and function of secondary settling tank 104 in 3rd embodiment, so
The descriptions thereof are omitted for this.
Finally, the sewage disposal system that the fifth embodiment of the present invention will be described referring to Fig. 5.As shown in figure 5, the 5th implements
The sewage disposal system of example and the difference of sewage disposal system of 3rd embodiment be only in that, the first of the 5th embodiment
Anoxic zone 101C is not included in biological treatment tank.Specifically, the inlet communication of the outlet of anaerobic zone 101A and aerobic zone 101B is good
The inlet communication of the outlet of oxygen area 101B and anoxic MBBR area 102B, the outlet of the area MBBR 102B and the aerobic area MBBR 102A into
Mouth connection.Since the second biological treatment tank 102, fast adsorption tank 103 and the secondary settling tank 104 in the 5th embodiment are respectively provided with and the
The second biological treatment tank 102, fast adsorption tank 103 and the identical structure and function of secondary settling tank 104 in three embodiments, so herein
The descriptions thereof are omitted.
Therefore, compared with the prior art, the technical solution of the utility model solves biochemical system and meets super design water inlet water
When matter, system stability problem up to standard；Also solve newly-increased when proposing mark demand, facility investment, treatment effect, operating cost are optimal
Change problem.The technical solution of the utility model combines A2O, the technical characteristic of multistage AO, MBBR, and by biodegrade, absorption,
Condensation technique is effectively combined, to enhance pollutant steady removal function.Specifically, by traditional AAO process optimization
For AOA technique, interior reflux pump setting is reduced；By traditional Multilevel A/O Technology, it is optimized for AO-AO/MBBR technique, realizes that mud film moves
Dynamic load body symbiosis；By increasing fast adsorption tank, fortified biosorption removal effect in biochemical rear end；In the exit of fast adsorption tank
Or the entrance of secondary settling tank adds macromolecule and plays tiny flocculation, improves mud-water separation effect.Especially, anaerobic-aerobic-is lacked
Oxygen-anoxic (suspending carrier)-aerobic (suspending carrier)-absorption-flocculating function subregion is realized above-mentioned in single biochemical reaction system
Function.
In conjunction with the explanation and practice of the utility model disclosed here, the other embodiments of the utility model are for this field
Technical staff will be readily apparent and understand.Illustrate and embodiment be regarded only as being exemplary, the utility model it is real
Scope and spirit are defined in the claims.
Claims (9)
1. a kind of AO-AO/MBBR formula sewage disposal system, which is characterized in that the sewage disposal system includes according to water flow side
To the first biological treatment tank, the second biological treatment tank, fast adsorption tank and the secondary settling tank being sequentially communicated；
The outlet of first biological treatment tank and the inlet communication of second biological treatment tank, second biological treatment tank
Outlet and the inlet communication of the fast adsorption tank, the outlet of the fast adsorption tank and the inlet communication of the secondary settling tank；
First biological treatment tank include the anaerobic zone being sequentially arranged according to water (flow) direction and at least one aerobic zone and/or
Anoxic zone；
Second biological treatment tank includes the aerobic area MBBR, the end in the aerobic area MBBR be equipped with nitrification liquid air-lift device and
Carrier filler blocking apparatus；
Silicon-carbon adsorbent is disposed in the fast adsorption tank.
2. sewage disposal system according to claim 1, which is characterized in that second biological treatment tank further includes anoxic
The area MBBR,
The outlet of the import in the area the anoxic MBBR and first biological treatment tank；
The outlet in the area the anoxic MBBR and the inlet communication in the aerobic area MBBR；
The aerobic area MBBR conveys nitrification liquid and small-sized filler to the area the anoxic MBBR by the nitrification liquid air-lift device
Carrier, and prevent the filler in the area the anoxic MBBR to be lost to the migration in the aerobic area MBBR by filler reflux.
3. sewage disposal system according to claim 2, which is characterized in that at least one described aerobic zone and/or anoxic
Area is an aerobic zone and an anoxic zone；
The inlet communication of the outlet and the aerobic zone of the anaerobic zone；
The inlet communication of the outlet and the anoxic zone of the aerobic zone；
The outlet of the anoxic zone and the inlet communication in the area the anoxic MBBR.
4. sewage disposal system according to claim 2, which is characterized in that at least one described aerobic zone and/or anoxic
Area is an aerobic zone and an anoxic zone；
The inlet communication of the outlet and the anoxic zone of the anaerobic zone；
The inlet communication of the outlet and the aerobic zone of the anoxic zone；
The outlet of the aerobic zone and the inlet communication in the area the anoxic MBBR.
5. sewage disposal system according to claim 2, which is characterized in that at least one described aerobic zone and/or anoxic
Area is an aerobic zone；
The inlet communication of the outlet and the aerobic zone of the anaerobic zone；
The outlet of the aerobic zone and the inlet communication in the area the anoxic MBBR.
6. sewage disposal system according to claim 1, which is characterized in that at least one described aerobic zone and/or anoxic
Area is an aerobic zone and two anoxic zones；
The inlet communication of the outlet and the first anoxic zone in described two anoxic zones of the anaerobic zone；
The inlet communication of the outlet and the aerobic zone of first anoxic zone；
The inlet communication of the outlet and the second anoxic zone in described two anoxic zones of the aerobic zone；
The outlet of second anoxic zone and the inlet communication in the aerobic area MBBR.
7. sewage disposal system according to any one of claim 1 to 6, which is characterized in that in the fast adsorption tank
The entrance of exit or the secondary settling tank is provided with flocculating agent feeding device.
8. sewage disposal system according to claim 7, which is characterized in that the flocculant is high polymer coagulant.
9. sewage disposal system according to any one of claim 1 to 6, which is characterized in that the silicon-carbon adsorbent is
Made of being blended in proportion as active carbon and diatomite.
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| CN201820862714.7U CN208471832U (en) | 2018-06-05 | 2018-06-05 | A kind of AO-AO/MBBR formula sewage disposal system |
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| CN201820862714.7U CN208471832U (en) | 2018-06-05 | 2018-06-05 | A kind of AO-AO/MBBR formula sewage disposal system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596021A (en) * | 2020-05-26 | 2020-08-28 | 同济大学 | Water body carbon source quality evaluation method, equipment and device and readable storage medium |
| CN117088551A (en) * | 2023-08-31 | 2023-11-21 | 成都新雄鑫净化工程有限公司 | Full-cycle graphene mobile biological bed sewage treatment system |
-
2018
- 2018-06-05 CN CN201820862714.7U patent/CN208471832U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596021A (en) * | 2020-05-26 | 2020-08-28 | 同济大学 | Water body carbon source quality evaluation method, equipment and device and readable storage medium |
| CN111596021B (en) * | 2020-05-26 | 2022-02-11 | 同济大学 | Water body carbon source quality evaluation method, equipment and device and readable storage medium |
| CN117088551A (en) * | 2023-08-31 | 2023-11-21 | 成都新雄鑫净化工程有限公司 | Full-cycle graphene mobile biological bed sewage treatment system |
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