CN207418387U - A kind of town domestic sewage treatment device - Google Patents
A kind of town domestic sewage treatment device Download PDFInfo
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- CN207418387U CN207418387U CN201721496149.9U CN201721496149U CN207418387U CN 207418387 U CN207418387 U CN 207418387U CN 201721496149 U CN201721496149 U CN 201721496149U CN 207418387 U CN207418387 U CN 207418387U
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Abstract
The utility model discloses a kind of town domestic sewage treatment devices, and carbon removal anaerobic fluidized bed reactor, anaerobism fluidisation tubulose membrane reactor and nitrogen removal fluidized-bed reactor are equipped with successively along water inlet direction.The utility model is also specifically disclosed that the quick start method of the biological denitrificaion sewage-treatment plant.The utility model need not add organic carbon source and efficient denitrification can be realized, and sewage disposal operation energy consumption is greatly reduced；Without greenhouse gases N during Anammox2O is generated, and reduces the environment negative effect in bioanalysis sewage disposal process；Start Anammox reactions using direct vaccination ways, greatly reduce startup run time；Suitable for handling low NH4 +The town domestic sewage of N concentration.
Description
Technical field
The utility model belongs to sewage disposal and environmental protection technical field, and in particular to a kind of town domestic sewage processing
Device.
Background technology
In Biochemical method sanitary sewage field, traditional nitration denitrification reaction occupies main status, until anaerobism ammonia oxygen
Change the discovery of bacterium, rapidly become the research hotspot of people, and progressively become biological denitrificaion sewage disposal major technique of new generation.Detest
Anaerobic ammonium oxidation（Anammox）Technique is a kind of suitable high ammonia nitrogen（NH4 +-N）The novel biological dinitrification technology of wastewater treatment, is current
One of important support technology of water body polluted by nitrogen control, compared with traditional nitration denitrification reacts, energy consumption needed for the technique
Amount less, sludge yield it is few and of low cost.Anammox techniques are anaerobic ammonia oxidizing bacterias under anaerobic with nitrite nitrogen
（NO2 --N）It is electron acceptor by NH4 +- N is oxidized to the Biochemical processes of nitrogen, is a kind of biochemical process of anaerobism autotrophy, nothing
Need to supply oxygen with additional organic electron donors, nitric efficiency it is high and reaction do not generate nitrous oxide isothermal chamber gas.Therefore,
Anammox techniques are considered as a kind of efficient, economic and environmentally friendly denitrogenation technology, however, anaerobic ammonia oxidizing bacteria is grown
Slowly, generation time is long, and easily by external environmental condition（Temperature, pH, dissolved oxygen etc.）Influence, thus device start difficulty compared with
Greatly.In addition, NH in town domestic sewage4 +- N concentration is relatively low, generally 40-50mg/L, and COD concentration is usually above NH4 +- N is dense
Degree, when COD concentration is higher, anaerobic ammonia oxidizing bacteria is difficult to survive in Anammox reactors, and treatment effeciency is relatively low.Therefore,
Anammox techniques are difficult to be suitable for processing town domestic sewage field.
The content of the invention
The technical issues of the utility model solves there is provided it is a kind of being capable of efficient denitrification and the relatively low cities and towns of operation energy consumption
Sewage treatment unit is under normal temperature condition, using city domestic sewage as experimental water, using up flow type fluid bed system
System, first by cutting down COD, then direct inoculation anaerobic ammonia oxidizing bacteria, by adjusting the equipment operating parameter of reactor, quickly
Realize successfully starting up for city domestic sewage Anammox biology self-supported denitrification reactors.
The utility model adopts the following technical scheme that a kind of town domestic sewage processing fills to solve above-mentioned technical problem
Put, it is characterised in that along water inlet direction successively be equipped with carbon removal anaerobic fluidized bed reactor, anaerobism fluidisation tubulose membrane reactor and
Nitrogen removes fluidized-bed reactor；
The carbon removal anaerobic fluidized bed reactor includes fluidising chamber I and settling zone I, and fluidising chamber water inlet I passes through pipeline
And water inlet peristaltic pump I is connected with cesspool, and particulate vector I is filled in fluidising chamber I and adds load acid-producing bacteria and methanogen
Activated sludge, for natural zeolite pearl or with reeded plastic beads, the fluidising chamber at the top of fluidising chamber I goes out particulate vector I
The settling zone I communicated with fluidising chamber I is equipped at the I of the mouth of a river, is equipped with discharge of methane mouth I at the top of settling zone I, settling zone I one sides are set
There is settling zone water outlet I；
The anaerobism fluidisation tubulose membrane reactor includes fluidising chamber II and settling zone II, and fluidising chamber water inlet II passes through pipeline
And water inlet peristaltic pump II is connected with settling zone water outlet I, filled with particulate vector II in fluidising chamber II, particulate vector II is day
Right zeolite pearl or with reeded plastic beads, the fluidising chamber water outlet II places at the top of fluidising chamber II are equipped with settling zone II, fluidize
Room II is connected with settling zone II by tubular film, which is porous wall construction, be outer diameter be 1.2mm, internal diameter is 0.1 μm,
Total film surface product is 0.08m2Hollow-fibre membrane, discharge of methane mouth II is equipped at the top of settling zone II, settling zone II one sides are equipped with
Settling zone water outlet II；
The nitrogen removal fluidized-bed reactor includes fluidising chamber III and settling zone III, and fluidising chamber water inlet III passes through pipe
Road and water inlet peristaltic pump III are connected with settling zone water outlet II, and particulate vector III and from the bottom to top is filled in fluidising chamber III
The activated sludge of load nitrobacteria and the activated sludge of load anaerobic ammonia oxidizing bacteria are added successively, and particulate vector III is day
Right zeolite pearl or with reeded plastic beads, the bottom of fluidising chamber III is equipped with aeration head, which passes through tracheae and PLC
Control device is connected, and the lower part and middle part of fluidising chamber III are respectively equipped with DO and pop one's head in, fluidising chamber's water outlet at the top of fluidising chamber III
The settling zone III communicated with fluidising chamber III is equipped at III, Waste gas outlet, settling zone III mono- are equipped at the top of settling zone III
Side is equipped with settling zone water outlet III, and settling zone water outlet III is connected by pipeline with blow-off line.
The quick start method of biological denitrificaion sewage-treatment plant described in the utility model, it is characterised in that detailed process
For：
（1）Sewage is intake first under the action of peristaltic pump I of intaking from the fluidising chamber of carbon removal anaerobic fluidized bed reactor
Mouth I enters fluidising chamber I, and the flow velocity by adjusting water inlet peristaltic pump I causes the particulate vector I in fluidising chamber I to be in suspended state,
Under the action of extracellular microbial exoenzyme hydrolysis occurs for a part of COD in fluidising chamber I in sewage, by organising in COD
It closes object and is decomposed into amino acid, carbohydrate and aliphatic acid, acid-producing occurs under the action of acid-producing bacteria, by amino acid, carbohydrate and fat
Fat acid changes into aliphatic acid, the H containing 4 or less than 4 carbon on main chain2And CO2, production first occurs under the action of methanogen
Alkane reacts, by aliphatic acid, the H containing 4 or less than 4 carbon on main chain2And CO2Change into methane and CO2, through hydrolysis, production
Acid reaction and methane phase reaction after sewage after settling zone I free sedimentations from settling zone water outlet I discharge, the methane of generation and
CO2From discharge of methane mouth I discharges and Collection utilization；
（2）From the sewage that carbon removal anaerobic fluidized bed reactor settling zone water outlet I is discharged in the work of peristaltic pump II of intaking
Enter fluidising chamber II from the fluidising chamber water inlet II of anaerobism fluidisation tubulose membrane reactor under, by adjusting water inlet peristaltic pump II's
Flow velocity causes the particulate vector II in fluidising chamber II to be in suspended state, for cleaning tubulose film surface naturally, in operational process
Part carries out two in anaerobism fluidisation tubulose membrane reactor from the microorganism that carbon removal anaerobic fluidized bed reactor flows into sewage
Secondary processing, for removing the suspended matter and COD in sewage, treated, and sewage goes out after settling zone II free sedimentations from settling zone
Mouth of a river II is discharged, the methane and CO of generation2From discharge of methane mouth II discharges and Collection utilization；
（3）The sewage discharged from anaerobism fluidisation tubulose membrane reactor settling zone water outlet II is in the work of peristaltic pump III of intaking
Enter fluidising chamber III from the fluidising chamber water inlet III of nitrogen removal fluidized-bed reactor under, by adjusting water inlet peristaltic pump III
Flow velocity the particulate vector III in fluidising chamber III is caused to be in suspended state, sewage flows through upward 1/5th area in fluidising chamber III bottoms
In domain, the activated sludge of load nitrobacteria is added in the region, provides oxygen by PLC control devices to control the region
Dissolved oxygen concentration is 0.1-0.5mg/L, and hydraulic detention time is 1-2 days, and short distance nitration reaction occurs in the case where nitrobacteria acts on,
By dirty water part NH4 +- N is oxidized to NO2 -- N, so as to provide required NO for anaerobic ammonia oxidizing bacteria2 -- N response matrix, passes through
PLC control devices control aeration quantity makes dissolved oxygen be entirely used for short distance nitration reaction, then in the sewage stream under oxygen-free environment
Through in the upward 1/5-3/5 regions in fluidising chamber III bottoms, adding the activated sludge of load anaerobic ammonia oxidizing bacteria in the region,
Anaerobic ammonia oxidizing bacteria effect is lower to occur Anammox reactions, with NH4 +- N is electron donor, with NO2 -- N is electron acceptor, directly will
Remaining NH4 +- N and NO2 -- N changes into N2, N2It is directly released into from Waste gas outlet in air, treated sewage is through settling zone
From settling zone, water outlet III is discharged into blow-off line after III free sedimentations.
Further preferably, step（1）Middle mixed genetic-neural network is 22500mg/L, and mixed liquor volatility suspends solid
Bulk concentration is 5500mg/L.
Further preferably, step（3）Middle mixed genetic-neural network is 2000-3000mg/L, and mixed liquor suspends admittedly
Bulk concentration/mixed liquor volatile suspended solid, MLVSS concentration=0.6-0.85.
The utility model has the advantages that compared with prior art：
1st, the utility model need not add organic carbon source and efficient denitrification can be realized, and sewage disposal operation energy consumption significantly drops
It is low；
2nd, without greenhouse gases N during the utility model Anammox2O is generated, and is reduced in bioanalysis sewage disposal process
Environment negative effect；
3rd, the utility model starts Anammox reactions using direct vaccination ways, greatly reduces startup run time；
4th, the utility model is suitable for handling low NH4 +The town domestic sewage of-N concentration.
Description of the drawings
Fig. 1 is the structure diagram of sewage-treatment plant in the utility model；
Fig. 2 is the utility model treated sewage main pollutant consistence and removal rate datagram.
In figure：1- carbon removal anaerobic fluidized bed reactors, 1-1- water inlet peristaltic pump I, 1-2- fluidising chamber water inlet I, 1-3-
Particulate vector I, 1-4- fluidising chamber I, 1-5- fluidising chamber water outlet I, 1-6- settling zones I, 1-7- discharge of methane mouth I, 1-8- precipitation
Area water outlet I, 2- anaerobism fluidisation tubulose membrane reactor, 2-1- water inlet peristaltic pump II, 2-2- fluidising chamber water inlet II, 2-3- particles
Carrier II, 2-4- fluidising chamber II, 2-5- fluidising chamber water outlet II, 2-6- settling zones II, 2-7- discharge of methane mouth II, 2-8- precipitation
Area water outlet II, 2-9- tubular films, 3- nitrogen removal fluidized-bed reactor, 3-1- water inlet peristaltic pump III, 3-2- fluidising chamber water inlet
III, 3-3- particulate vector III, 3-4- fluidising chamber III, 3-5- fluidising chamber water outlet III, 3-6- settling zones III, 3-7- exhaust gas
Floss hole, 3-8- settling zones water outlet III, 3-9- aeration heads, 4-0-DO probes, 4-1-PLC control devices.
Specific embodiment
The above of the utility model is described in further detail by the following examples, but this should not be understood
Following embodiment, all skills realized based on the utility model the above are only limitted to for the scope of the above-mentioned theme of the utility model
Art belongs to the scope of the utility model.The utility model is described in detail by way of example and in conjunction with the accompanying drawings.
Referring to the drawings 1, it is anaerobic fluidized bed to be equipped with carbon removal successively along water inlet direction for a kind of town domestic sewage treatment device
Reactor 1, anaerobism fluidisation tubulose membrane reactor 2 and nitrogen removal fluidized-bed reactor 3；
The carbon removal anaerobic fluidized bed reactor 1 includes fluidising chamber I1-4 and settling zone I1-6, fluidising chamber water inlet I1-
2 are connected by pipeline and water inlet peristaltic pump I1-1 with cesspool, and particulate vector I1-3 is filled in fluidising chamber I1-4 and is added negative
Carry the activated sludge of acid-producing bacteria and methanogen, particulate vector I1-3 for natural zeolite pearl or with reeded plastic beads,
The settling zone I1-6 communicated with fluidising chamber I1-4, the settling zone are equipped at fluidising chamber water outlet I1-5 at the top of fluidising chamber I1-4
Discharge of methane mouth I1-7 is equipped at the top of I1-6, settling zone I1-6 one sides are equipped with settling zone water outlet I1-8；
The anaerobism fluidisation tubulose membrane reactor 2 includes fluidising chamber II2-4 and settling zone II2-6, fluidising chamber's water inlet
II2-2 is connected by pipeline and water inlet peristaltic pump II2-1 with settling zone water outlet I1-8, and particle is filled in fluidising chamber II2-4
Carrier II2-3, particulate vector II2-3 are for natural zeolite pearl or with reeded plastic beads, the stream at the top of fluidising chamber II2-4
Change and connected at the water outlet II2-5 of room equipped with settling zone II2-6, fluidising chamber II2-4 and settling zone II2-6 by tubular film 2-9, it should
Tubular film 2-9 be porous wall construction, be outer diameter be 1.2mm, internal diameter is 0.1 μm, total film surface product be 0.08m2Doughnut
Film, settling zone II2-6 tops are equipped with discharge of methane mouth II2-7, and settling zone II2-6 one sides are equipped with settling zone water outlet II2-8；
The nitrogen removal fluidized-bed reactor 3 includes fluidising chamber III3-4 and settling zone III3-6, fluidising chamber's water inlet
III3-2 is connected by pipeline and water inlet peristaltic pump III3-1 with settling zone water outlet II2-8, is filled in fluidising chamber III3-4
Particulate vector III3-3 and the work for adding the activated sludge and load anaerobic ammonia oxidizing bacteria of load nitrobacteria successively from the bottom to top
Property sludge, particulate vector III3-3 is natural zeolite pearl or with reeded plastic beads, and the bottom of fluidising chamber III3-4 is set
There is aeration head 3-9, aeration head 3-9 is connected by tracheae with PLC control devices 4-1, the lower part and middle part of fluidising chamber III3-4
It is respectively equipped at the fluidising chamber water outlet III3-5 at the top of DO probes 4-0, fluidising chamber III3-4 and is equipped with and fluidising chamber's III3-4 phases
Waste gas outlet 3-7 is equipped at the top of logical settling zone III3-6, settling zone III3-6, settling zone III3-6 one sides are equipped with precipitation
Area water outlet III3-8, settling zone water outlet III3-8 are connected by pipeline with blow-off line.
The quick start method of biological denitrificaion sewage-treatment plant described in the utility model, detailed process are：
（1）Sewage is intake first under the action of peristaltic pump I of intaking from the fluidising chamber of carbon removal anaerobic fluidized bed reactor
Mouthful I enters fluidising chamber I, hydraulic detention time 2h, causes particle in fluidising chamber I by adjusting the flow velocity of water inlet peristaltic pump I
Carrier I is in suspended state, and in order to which the microorganism in fluidising chamber I is made to adapt to environment, the activated sludge of loading microorganisms also adds
Into fluidising chamber I, biomembrane is formed on a part of microorganism adsorption to particulate vector, the activated sludge in operational process is derived from dirt
The anaerobic nitrification pond of water treatment plant, dosage 500mL, mixed genetic-neural network（MLSS）For 22500mg/L, mixed liquor
Volatile suspended solids concentration（MLVSS）For 5500mg/L, a part of COD in fluidising chamber I in sewage is in extracellular microbial exoenzyme
Under the action of hydrolysis occurs, the organic compound in COD is decomposed into amino acid, carbohydrate and aliphatic acid, in acid-producing bacteria
Effect issues raw acid-producing, and amino acid, carbohydrate and aliphatic acid are changed into the fat containing 4 or less than 4 carbon on main chain
Acid, H2And CO2, methane phase reaction occurs under the action of methanogen, by the fat containing 4 or less than 4 carbon on main chain
Acid, H2And CO2Change into methane and CO2, the sewage after the reaction of hydrolysis, acid-producing and methane phase is through settling zone I freedom
It is discharged after precipitation from settling zone water outlet I, the methane and CO of generation2From discharge of methane mouth I discharges and Collection utilization, fluidising chamber I
It needs to maintain anaerobic environment, be run in the case of no oxygen supply, in the process of running, the nitrogenous compound quilt in COD
It is converted into NH4 +-N；
（2）From the sewage that carbon removal anaerobic fluidized bed reactor settling zone water outlet I is discharged in the work of peristaltic pump II of intaking
Enter fluidising chamber II, hydraulic detention time 2-3h from the fluidising chamber water inlet II of anaerobism fluidisation tubulose membrane reactor under, lead to
The flow velocity for crossing adjustment water inlet peristaltic pump II causes the particulate vector II in fluidising chamber II to be in suspended state, due to particulate vector II
In suspended state under the impetus of Flowing Sewage, tubulose film surface can be cleaned naturally, and chemical cheaning pipe is not required
Shape film is anaerobic environment in anaerobism fluidisation tubulose membrane reactor, and without oxygen supply, part is from carbon removal anaerobism in operational process
The microorganism that fluidized-bed reactor flows into carries out after-treatment in anaerobism fluidisation tubulose membrane reactor to sewage, for going to decontaminate
Suspended matter and COD in water, treated, and sewage is discharged after settling zone II free sedimentations from settling zone water outlet II, generation
Methane and CO2From discharge of methane mouth II discharges and Collection utilization；
（3）The sewage discharged from anaerobism fluidisation tubulose membrane reactor settling zone water outlet II is in the work of peristaltic pump III of intaking
Enter fluidising chamber III from the fluidising chamber water inlet III of nitrogen removal fluidized-bed reactor under, by adjusting water inlet peristaltic pump III
Flow velocity the particulate vector III in fluidising chamber III is caused to be in suspended state, sewage flows through upward 1/5th area in fluidising chamber III bottoms
In domain, the activated sludge of load nitrobacteria is added in the region, provides oxygen by PLC control devices to control the region
Dissolved oxygen concentration is 0.1-0.5mg/L, and hydraulic detention time is 1-2 days, and short distance nitration reaction occurs in the case where nitrobacteria acts on,
By dirty water part NH4 +- N is oxidized to NO2 -- N, so as to provide NO necessary to anaerobic ammonia oxidizing bacteria2 -- N response matrix, passes through PLC
Control device control aeration quantity makes dissolved oxygen be entirely used for short distance nitration reaction, since the dissolved oxygen in leading portion region is entirely used for
Short distance nitration reacts, and is oxygen-free environment in sewage at this time, fluidising chamber III bottoms are flowed through then in the sewage under oxygen-free environment
In upward 1/5-3/5 regions, the activated sludge of load anaerobic ammonia oxidizing bacteria is added in the region, is acted in anaerobic ammonia oxidizing bacteria
Lower generation Anammox reactions, with NH4 +- N is electron donor, with NO2 -- N is electron acceptor, directly by remaining NH4 +- N and NO2 --N
Change into N2, N2It is directly released into from Waste gas outlet in air, treated sewage is after settling zone III free sedimentations from heavy
Shallow lake area water outlet III is discharged into blow-off line, mixed genetic-neural network（MLSS）For 2000-3000mg/L, MVSS/MLVSS=
0.6-0.85。
Specific embodiment：
Using certain community life sewage as experimental water, specific water quality is as follows for experiment：COD concentration is 300-400mg/L, SS=
50-70mg/L, NH4 +- N=50-80mg/L, NO2 -- N≤0.3mg/L, NO3 -- N≤1.5mg/L, TP≤1mg/L, pH=7.0-
8.0, sewage load 80L/d, carbon removal anaerobic fluidized bed reactor and nitrogen remove the activated sludge in fluidized-bed reactor
It is tamed respectively.
（1）The organic loading rate of carbon removal anaerobic fluidized bed reactor is controlled in 1.75-4.7kg/m3/ d, hydraulic retention
Time is 2h, MLSS=22500mg/L, MLVSS=5500mg/L.
（2）The membrane flux of anaerobism fluidisation membrane reactor is controlled in 8.33-12.5LMH, hydraulic detention time 2-3h.
（3）Seed sludge suspended solid MLSS concentration is 2000-3000mg/L, and MLVSS/MLSS=0.6-0.85, dissolving
In 0.1-0.5mg/L, hydraulic detention time is 1-2 days for oxygen control.
In an experiment, sanitary sewage successively enters from carbon removal anaerobic fluidized bed reactor, in order to confirm carbon removal
Anaerobic fluidized bed reactor, anaerobism tubulose membrane reactor are to the removal effect of COD and suspended matter, and major pollutants refer to before and after water inlet
Mark is as shown in table 1.In table 1, AFBR represents carbon removal anaerobic fluidized bed reactor, and AFMBR represents anaerobism tubulose membrane reactor.This
In table, except pH value, the unit of other water inlet water outlets is unified to be represented with mg/L.The result shows that the anaerobic fluidized bed reaction of carbon removal
Device and anaerobism fluidisation membrane reactor reach COD removal rates 86.5%, and the removal rate of total suspended matter reaches 95.0%.It ran
Cheng Zhong, the activated sludge of loading microorganisms and ectoenzyme may be entered with sewage in carbon removal anaerobic fluidized bed reactor
Anaerobism fluidizes membrane reactor, and since anaerobism tubulose membrane reactor is also anaerobic environment, a part of COD can turn in the reactor
It is melted into methane and CO2。
1 carbon removal anaerobic fluidized bed reactor of table and anaerobism tubulose membrane reactor Inlet and outlet water major pollutants index
During Anammox reaction units start operation, the hydraulic detention time of the 1-16 days is 36h, the water of the 17-40 days
The power residence time is for 24 hours.At the 40th day, TN and NH in nitrogen removal fluidized-bed reactor4 +- N removal rates reach more than 90%, and
It is stable, indicate the completion that nitrogen removal fluidized-bed reactor starts.Treated sewage main pollutant consistence and removal
For rate as shown in table 2, Fig. 2, water outlet reaches urban wastewater treatment level-one A standards.
2 nitrogen of table removes fluidized-bed reactor Inlet and outlet water water quality
As can be seen that NH from above-described embodiment4 +- N average removal rates be 91.0%, the 1st day, NH4 +- N removal rates reach
78.8%, in first 11 days, NH4 +- N removal rate stabilizations are more than 65%, since the 12nd day, NH4 +- N removal rate stabilizations are 85%
More than.The average removal rate of total nitrogen is 87.5%, and is stablized more than 70%, is stablized since the 30th day more than 96%.Using this
Utility model device and startup method, to low NH4 +- N concentration waste water has apparent treatment effect, and can realize Anammox techniques
Quick startup, for 40 days or so the time required to starting, start technique compared to existing Anammoxization, the startup time is significantly
Shorten, and can realize that room temperature starts, the energy consumption brought in the prior art due to temperature control is greatly saved.
From above-mentioned simulated experiment result can be seen that device start operation after, can even running at normal temperatures, more pacify
It is complete reliable.Also, sewage disposal system provided by the utility model is highly effective in terms of COD is reduced.Sewage disposal system
System can generate methane, can collect and be converted into energy, finally generate N2Without generating N2O, it is pollution-free, and go out aqueous suspension
Granule density substantially reduces.Therefore, the utility model has preferable application prospect to become next-generation biological water technology
It promotes and applies.
The basic principle of the utility model, main feature and advantage has been shown and described above, it is new not departing from this practicality
On the premise of type spirit and scope, the utility model also has various changes and modifications, these changes and improvements both fall within requirement and protect
The scope of the utility model of shield.
Claims (1)
1. a kind of town domestic sewage treatment device, it is characterised in that it is anaerobic fluidized bed anti-to be equipped with carbon removal successively along water inlet direction
Answer device, anaerobism fluidisation tubulose membrane reactor and nitrogen removal fluidized-bed reactor；
The carbon removal anaerobic fluidized bed reactor include fluidising chamber I and settling zone I, fluidising chamber water inlet I by pipeline and into
Water peristaltic pump I is connected with cesspool, is filled with particulate vector I in fluidising chamber I and adds the work of load acid-producing bacteria and methanogen
Property sludge, particulate vector I is for natural zeolite pearl or with reeded plastic beads, the fluidising chamber water outlet I at the top of fluidising chamber I
Place is equipped with the settling zone I communicated with fluidising chamber I, and discharge of methane mouth I is equipped at the top of settling zone I, and settling zone I one sides are equipped with precipitation
Area water outlet I；
Anaerobism fluidisation tubulose membrane reactor includes fluidising chamber II and settling zone II, fluidising chamber water inlet II by pipeline and into
Water peristaltic pump II is connected with settling zone water outlet I, and filled with particulate vector II in fluidising chamber II, particulate vector II is natural boiling
Stone pearl or with reeded plastic beads, is equipped with settling zone II, fluidising chamber II at the fluidising chamber water outlet II at the top of fluidising chamber II
Connected with settling zone II by tubular film, the tubular film be porous wall construction, be outer diameter be 1.2mm, internal diameter is 0.1 μm, total film
Surface area is 0.08m2Hollow-fibre membrane, discharge of methane mouth II is equipped at the top of settling zone II, settling zone II one sides are equipped with precipitation
Area water outlet II；
Nitrogen removal fluidized-bed reactor includes fluidising chamber III and settling zone III, fluidising chamber water inlet III by pipeline and
Water inlet peristaltic pump III is connected with settling zone water outlet II, and particulate vector III and from the bottom to top successively is filled in fluidising chamber III
The activated sludge of load nitrobacteria and the activated sludge of load anaerobic ammonia oxidizing bacteria are added, particulate vector III is natural boiling
Stone pearl or with reeded plastic beads, the bottom of fluidising chamber III is equipped with aeration head, which passes through tracheae and controlled with PLC
Device is connected, and the lower part and middle part of fluidising chamber III are respectively equipped with DO and pop one's head in, at the fluidising chamber water outlet III at the top of fluidising chamber III
Equipped with the settling zone III communicated with fluidising chamber III, Waste gas outlet is equipped at the top of settling zone III, settling zone III one sides are set
There is settling zone water outlet III, settling zone water outlet III is connected by pipeline with blow-off line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721496149.9U CN207418387U (en) | 2017-11-10 | 2017-11-10 | A kind of town domestic sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721496149.9U CN207418387U (en) | 2017-11-10 | 2017-11-10 | A kind of town domestic sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
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| CN207418387U true CN207418387U (en) | 2018-05-29 |
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ID=62304621
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107857364A (en) * | 2017-11-10 | 2018-03-30 | 河南师范大学 | A kind of biological denitrificaion sewage-treatment plant and its quick start method |
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2017
- 2017-11-10 CN CN201721496149.9U patent/CN207418387U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107857364A (en) * | 2017-11-10 | 2018-03-30 | 河南师范大学 | A kind of biological denitrificaion sewage-treatment plant and its quick start method |
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