CN107399817A - Continuous stream A2The apparatus and method of O denitrification dephosphorizations+Anammox parallel connection SBR short distance nitration Treating Municipal Sewages - Google Patents
Continuous stream A2The apparatus and method of O denitrification dephosphorizations+Anammox parallel connection SBR short distance nitration Treating Municipal Sewages Download PDFInfo
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- CN107399817A CN107399817A CN201710668916.8A CN201710668916A CN107399817A CN 107399817 A CN107399817 A CN 107399817A CN 201710668916 A CN201710668916 A CN 201710668916A CN 107399817 A CN107399817 A CN 107399817A
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- 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
- C02F3/308—Biological phosphorus removal
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- 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
- C02F3/302—Nitrification and denitrification treatment
- C02F3/307—Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
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- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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Abstract
The present invention relates to a kind of continuous stream A2The device and application process of O denitrification dephosphorizations+Anammox parallel connection SBR short distance nitration Treating Municipal Sewages, it belongs to technical field of biological sewage treatment.The apparatus main body is by municipal sewage raw water box, short distance nitration water outlet intermediate water tank, short distance nitration SBR devices and continuous stream A2The part of O device four forms；Wherein short distance nitration SBR devices are as continuous stream A2O deviceSource, continuous stream A2O device is divided into two phase anaerobic reaction zone along water (flow) direction, one section of hypoxia response area, four sections of Anammox reaction zones and one section of aerobic reactor zone, inoculation Anammox sponge fillers in four sections of Anammox reaction zones, the reaction of Anammox autotrophic denitrification and denitrification dephosphorization reaction occur in it, and then realizes the synchronous denitrification dephosphorizing of municipal sewage.The present invention is applied to the processing of low carbon source urban sewage, and has the advantages of energy-efficient, floor space is few, is easy to water factory's upgrading.
Description
Technical field
The invention belongs to technical field of biological sewage treatment, and in particular to a kind of continuous stream A2O denitrification dephosphorizations+anaerobism ammonia
The device and application process of SBR short distance nitrations Treating Municipal Sewage in parallel are aoxidized, possesses the few spy of efficient, energy-conservation, floor space
Point, the technical fields such as transformation are marked suitable for newly-built municipal sewage plant and carrying for built municipal sewage plant.
Background technology
Municipal sewage treatment is capital, energy-intensive industries.According to statistics, in the operation of the municipal sewage plant of routine
In cost (including depreciation cost etc.), the electricity charge are accounted for more than 1/3, and power consumption are aerated in sewage biological treatment system to account for sewage treatment plant complete
The 40~50% of factory's power consumption, the kilowatt hour of sewage power consumption 0.2~0.3 of every cubic metre of processing.In the U.S., water and sewage disposal energy consumption
Reach Municipal Administration Public Utilities can 1/3, account for the 3% of social total energy consumption, annual power consumption is of about 56,000,000,000 kilowatt hours, among these
More than 2/3 energy consumption and expense is to be used for sewage and Treatment of Sludge.Although also reaching this numeral far away in China, 2010
Bottom has reached national always with the 1% of energy.With control of the country to high energy consumption industry and the quick increase of sewage disposal scale,
The energy consumption accounting of wastewater treatment in China factory will improve constantly, by progressively close to the level in the U.S..Therefore, it is dirty to research and develop city
Water treatment plant's energy conservation, can not only alleviate the present situation of the current energy scarcity in China, and be advantageous to the sustainable of society
Development.
For the sewage disposal situation of China, carried by the expert of the committee of Chinese sewage disposal concept factory in 2014
Four big pursuits of the Chinese sewage disposal concept factory to face the future are gone out to build, effluent quality is reached sustainable mark
It is accurate；The power self-support rate of sewage treatment plant is greatly improved, in the case where there is appropriate external source debirs collaboration to handle, accomplishes zero
Energy consumption；The reasonable circulation of material is pursued, reduces the dependence and consumption to external chemicals；Build comfortable sense organ, building harmony, ring
The friendly sewage treatment plant in border intercommunication, community.
Around mentioned above principle, municipal sewage treatment new technology of the research and development with energy-saving and can resource reclaim is with important
Realistic meaning.Anaerobic ammonia oxidizing bacteria is found in nineteen ninety-five, and its reaction equation is shown in formula (1-1).Taken off with traditional biological
Nitrogen technique is compared, and Anammox autotrophic denitrification technology can save 100% organic carbon source consumption, can save 60% aeration
Amount, it can reduce by 90% sludge yield, so it is considered as most promising denitrogenation technology always.In addition, denitrification dephosphorization
Bacterium
It can carry out denitrifying while completing excessive suction phosphorus, in fact using nitrate or nitrite as electron acceptor
Existing " carbon is dual-purpose ", so as to reduce demand of the biological carbon and phosphorous removal to organic carbon source.So for the city of low ratio of carbon to ammonium
, can be on the basis of ensureing that water outlet nitrogen, phosphorus are up to standard, significantly using Anammox combination Denitrifying Phosphorus Removal Technology for sewage
Requirement of the biological denitrification phosphorous removal technique to organic carbon source is reduced, saves the energy consumption and input of sewage treatment plant.
The content of the invention
The purpose of the present invention is to propose to a kind of continuous stream A2At O denitrification dephosphorizations+Anammox parallel connection SBR short distance nitrations
Manage the device and application process of municipal sewage.This method is that low carbon source urban sewage is divided into two parts, is partly into short distance
SBR devices are nitrified, air hunger (being aerated under the conditions of no substrate) is made good use of and coordinates the mode controlled in real time to realize municipal sewage short distance
Nitrification, is continuous stream A2O device provides nitrite water inlet；Another part enters continuous stream A2O device, sent out first in anaerobism section
Oxygen of beginning to detest releases phosphorus reaction, and anoxic section is then mixed into the SBR water outlets of short distance nitration, Anammox occurs, denitrification removes
Phosphorus and anti-nitration reaction, realize that the synchronous high-efficiency of nitrogen and phosphorus removes, finally enter aerobic section, the COD that further goes in water removal and
Phosphate, ensure effluent quality.
The present invention relates to a kind of continuous stream A2O denitrification dephosphorizations+Anammox parallel connection SBR short distance nitrations processing city is dirty
The device of water.It is characterized in that device is by municipal sewage raw water box, short distance nitration water outlet intermediate water tank, short distance nitration SBR devices
With continuous stream A2The part of O device four forms；Water inlet pipe, the first overflow pipe and first is set to put on described municipal sewage raw water box
Blank pipe；The second overflow pipe, the second blow-down pipe and nitrite intake pump are set on described short distance nitration water outlet intermediate water tank；Institute
The municipal sewage raw water box stated uses SBR intake pumps and A2O intake pumps respectively with short distance nitration SBR devices and continuous stream A2O device
Connection；Described short distance nitration SBR devices are made up of device and a set of control system, and aeration pump, gas stream are set on device
Gauge, the first glutinous sand lump aeration head, the first agitator and electric flowing valve；Control system is by DO and pH sensors, DO and pH
Analyzer, computer and process control cabinet composition；Computer is connected by data signal line with process control cabinet；Process control cabinet
Water inlet pump relay, air pump relay, agitator relay and outlet pipe valve relay respectively with SBR intake pumps, aeration
Pump, the first agitator connect with electric flowing valve.Described continuous stream A2O device is divided into eight regions, edge by perforate dividing plate
Water (flow) direction is followed successively by two phase anaerobic reaction zone, one section of hypoxia response area, four sections of Anammox reaction zones, one section of aerobic reaction
Area and rearmounted settling zone；Described two phase anaerobic reaction zone, one section of hypoxia response area and four sections of Anammox reaction zones are all provided with
There is the second agitator；The bottom of one section of described aerobic reactor zone is provided with aerator；Aerator is passed through by air compressor
Air robot flowmeter connects with the second glutinous sand lump aeration head；Three sections of described Anammox reaction zones use square sponge
Block is as biofilm filler；Rearmounted settling zone bottom passes through returned sludge control valve and sludge reflux pump and first paragraph anaerobic reaction area
Connection, excess sludge pass through excess sludge exhaust-control valve discharge system.
Described perforate dividing plate is staggered above and below by the way of flowing hole according to water (flow) direction and is attached each lattice
Room；The size range of described sponge filler is 1.5cm × 1.5cm × 1.5cm-2.0cm × 2.0cm × 2.0cm.
Based on the experimental rig of the present invention, the handling process of municipal sewage is：
Municipal sewage is divided into two parts by raw water box and respectively enters short distance nitration SBR devices and continuous stream A2O device；Short distance
Nitrification SBR devices are run using A/O modes, and the nitrite nitrogen that raw water was remained a upper cycle by denitrification first is also
Original, aeration is then opened, carry out short distance nitration reaction, by controlling the stable short distance nitration effect for maintaining device, aeration in real time
After end, short distance nitration water outlet enters short distance nitration water outlet intermediate water tank by draining valve；Another part raw water enters continuous stream
A2O device, the mud mixture that it flows back with rearmounted settling zone are mixed into anaerobic reaction area, and Denitrifying Phosphate Accumulating Organisms utilize raw water
In organic carbon source carry out anaerobic phosphorus release reaction, the PHA VFA in raw water being converted into cell body, while discharged into water
PO4 3-, the then mud mixture of anaerobic reaction area and short distance nitration water outlet mix in hypoxia response area, short distance nitration water outlet
In NO2 -Electron acceptor is provided for denitrifying phosphorus removing bacteria, denitrification dephosphorization reaction occurs using the PHA stored in cell body, greatly
Amount absorbs the PO in water body4 3-, afterwards the mud mixture in hypoxia response area enter Anammox reaction zone, on sponge filler
Anaerobic ammonia oxidizing bacteria by the NO in water body2 -And NH4 +It is converted into N2, complete biological denitrificaion reaction, while the NO generated3 -Can quilt
Denitrifying phosphorus removing bacteria utilizes, and further removes N and P in water body, and hereafter the mud mixture of Anammox reaction zone enters
Aerobic reactor zone, completes the oxidation Decomposition of residual organic substances in the presence of oxygen, and aerobic phosphorus absorption reaction occurs, and ensures water outlet
PO4 3-Qualified discharge, the mud mixture of last aerobic reactor zone enters rearmounted settling zone and carries out mud-water separation, and supernatant is made
Anaerobic reaction area is back to by sludge reflux pump by outlet pipe discharge system, returned sludge for water outlet, excess sludge passes through surplus
The remaining regular discharge system of mud discharging valve.
A kind of above-mentioned continuous stream A2O denitrification dephosphorizations+Anammox parallel connection SBR short distance nitration Treating Municipal Sewages are answered
With method, it is characterised in that：Comprise the following steps：
1) it is inoculated with startup stage
Whole sludge is inoculated with short distance nitration SBR devices, sludge concentration is 2500~3500mg/L, using aerobic starvation
The mode that (being aerated under the conditions of no substrate) cooperation controls in real time realizes the startup of short distance nitration SBR devices, first by the complete of inoculation
Journey sludge is placed in aerobic hungry environment and pre-processed 7 days, is then discharged out supernatant, adds municipal sewage and carries out aerobic aeration, treats
When flex point occur in DO concentration curves, stop aeration；Dissolved oxygen concentration is 0.2~0.5mg/L in control device, SRT is 15~
20d, draining ratio are 70%；Sample and detect from sample tap, treat that nitrite accumulation rate and ammonia nitrogen removal frank are not less than 90%, then
Short-range nitrifying device starts successfully；
Inoculation is except phosphorus sludge is in continuous stream A2In O device, it is 3000~4000mg/L to control sludge concentration, is inoculated with simultaneously
Anammox sponge fillers are in continuous stream A2In three sections of Anammox reaction zones in O device, packing ratio is 30~40%, with
Municipal sewage is process object, and water temperature control is at 30~35 DEG C, and hydraulic detention time HRT controls are 8~12h, return sludge ratio
For 50~150%.In start-up course, NO is added into one section of hypoxia response area using peristaltic pump2 -Solution so that one section of anoxic is anti-
It is NO to answer the mass concentration ratio of nitrite nitrogen and ammonia nitrogen in area2 -:NH4 +=1.5~2.0:1, the DO concentration of one section of aerobic reactor zone
Control as 3~5mg/L, sludge retention time SRT controls are 5~7d.As the PO in water outlet4 3-Concentration reaches below 0.5mg/L,
Water outlet NH4 +5mg/L and below 15mg/L is respectively reached with TN concentration, and when outlet effect is maintained more than three sludge ages,
Then illustrate continuous stream A2O denitrification dephosphorizations+anaerobic ammonium oxidation apparatus starts successfully；
2) the continuous operation phase
Short distance nitration SBR devices and continuous stream A2After O device start completion, replaced with the water outlet of short distance nitration SBR devices
Continuous stream A2The NO in mono- section of hypoxia response area of O2 -Water distribution, the flow of inlet water ratio for controlling nitrite intake pump are 100~150%,
Continuous stream A2The HRT controls of O device be 8~12h, and return sludge ratio is 75~150%, using peristaltic pump to one section of hypoxia response
NO is added in area2 -Solution so that the mass concentration ratio of nitrite nitrogen and ammonia nitrogen is NO in one section of hypoxia response area2 -:NH4 +=1.5
~2.0:1, the DO concentration control of one section of aerobic reactor zone be 3~5mg/L, be 5 by discharging excess sludge control system SRT~
7d, the denitrification dephosphorization reaction of stable realization device and Anammox ammoxidation reaction.As the PO in water outlet4 3-Concentration reaches
Below 0.5mg/L, water outlet NH4 +5mg/L and below 15mg/L (meeting one-level emission standard A) are respectively reached with TN concentration, and is gone out
When water effect maintains more than 100d, then illustrate that device realizes operation steady in a long-term.Hereafter, can according to 35 DEG C → 30 DEG C → 25 DEG C →
The mode of 20 DEG C → 15 DEG C → 10 DEG C (reducing by 5 DEG C every 15d) gradually reduces the running temperature of device, realizes low-carbon-source under low temperature
Municipal sewage continuous stream A2The stable operation of O denitrification dephosphorizations+Anammox parallel connection SBR short-cut nitrification technologies.
The present invention relates to a kind of continuous stream A2O denitrification dephosphorizations+Anammox parallel connection SBR short distance nitrations processing city is dirty
The device and application process of water, compared with prior art, there is advantages below：
(1) denitrogenation dephosphorizing is carried out using denitrifying phosphorus removing bacteria and anaerobic ammonia oxidizing bacteria, solves low carbon source urban sewage and enter
The problem of water carbon source deficiency, it ensure that the high efficiency and stability of device denitrogenation dephosphorizing；
(2) municipal sewage SBR short-range nitrifying devices are more easy to realize and stablize maintenance compared with continuous stream device, using SBR techniques
NO is provided for continuous stream anaerobic ammonia oxidation process2 -Water outlet has positive realistic meaning；
(3) organic carbon source in municipal sewage is mainly used in Denitrifying Phosphorus Removal, avoids the presence of organic matter to rear
The influence of continuous anaerobic ammonia oxidizing bacteria, while also save aeration energy consumption；
(4) continuous stream A2Using sponge filler enrichment anaerobic ammonium oxidizing bacteria in O device, the biology with denitrifying phosphorus removing bacteria
Mutually separated, so as to create the suitable microenvironment of both of which, and then realize two class bacteriums and coexist and in denitrogenation dephosphorizing side
The collaboration coupling in face, while Autotrophic nitrification bacterium is placed in SBR devices, solves nitrobacteria and dephosphorization bacterial in sludge age
The contradiction of aspect, it ensure that the stability of device；
(5) it is relatively easy to the upgrading of existing water factory, application easy to spread.
Brief description of the drawings
Fig. 1 is to be based on a kind of continuous stream A in the present invention2At O denitrification dephosphorizations+Anammox parallel connection SBR short distance nitrations
The schematic device of municipal sewage is managed, wherein 1 represents that municipal sewage raw water box, 2 represent short distance nitration water outlet intermediate water tank, 3 tables
Show that short distance nitration SBR devices, 4 represent continuous stream A2O device, 1.1 represent raw water box water inlet pipes, 1.2 represent first case overflow pipe,
1.3 represent that the first blow-down pipe, 1.4 represent A2O intake pumps, 1.5 represent that SBR intake pumps, 2.1 represent that the second overflow pipe, 2.2 represent
Second blow-down pipe, 2.3 represent that nitrite intake pump, 3.1 represent that aeration pump, 3.2 represent that gas flowmeter, 3.3 represent first
Glutinous sand lump aeration head, 3.4 represent that the first agitator, 3.5 represent that electric flowing valve, 3.6 represent DO and pH sensors, 3.7 tables
Show that DO and pH analyzers, 3.8 represent that computer, 3.9 represent that process control cabinet, 4.1 represent that two phase anaerobic reaction zone, 4.2 represent
One section of hypoxia response area, 4.3 represent that four sections of Anammox reaction zones, 4.4 represent that one section of aerobic reactor zone, 4.5 represent rearmounted
Settling zone, 4.6 represent that water outlet, 4.7 represent that air compressor, 4.8 represent that air robot flowmeter, 4.9 represent the second glutinous sand lump
Aeration head, 4.10 the second agitators of expression, 4.11 expression square sponge blocks, 4.12 expression sludge reflux pumps, 4.13 represent back
Flow sludge control valve, 4.14 expression excess sludge exhaust-control valves.
Embodiment
Technical solution of the present invention is not limited to act embodiment set forth below, in addition between each embodiment
Any combination.
Embodiment one：With reference to shown in Fig. 1, the present invention is based on a kind of continuous stream A2O denitrification dephosphorizations+anaerobism ammonia oxygen
Change the device of SBR short distance nitrations Treating Municipal Sewage in parallel, it is characterised in that device is by municipal sewage raw water box (1), short distance nitre
Dissolve water intermediate water tank (2), short distance nitration SBR devices (3) and continuous stream A2The part of O device (4) four forms；Described city is dirty
Water inlet pipe (1.1), the first overflow pipe (1.2) and the first blow-down pipe (1.3) are set on water raw water box (1)；Described short distance nitration
Second overflow pipe (2.1), the second blow-down pipe (2.2) and nitrite intake pump (2.3) are set on water outlet intermediate water tank (2)；Institute
The municipal sewage raw water box (1) stated uses SBR intake pumps (1.5) and A2O intake pumps (1.4) respectively with short distance nitration SBR devices
And continuous stream A (3)2O device (4) connects；Described short distance nitration SBR devices (3) are made up of device and a set of control system,
Set on device aeration pump (3.1), gas flowmeter (3.2), the first glutinous sand lump aeration head (3.3), the first agitator (3.4) and
Electric flowing valve (3.5)；Control system by DO and pH sensors (3.6), DO and pH analyzers (3.7), computer (3.8) and
Process control cabinet (3.9) forms；Computer (3.8) is connected by data signal line with process control cabinet (3.9)；Process control cabinet
Water inlet pump relay, air pump relay, agitator relay and outlet pipe valve relay respectively with SBR intake pumps (1.5),
Aeration pump (3.1), the first agitator (3.4) and electric flowing valve (3.5) connection.Described continuous stream A2O device (4) is by opening
Hole dividing plate is divided into eight regions, and two phase anaerobic reaction zone (4.1), one section of hypoxia response area (4.2), four are followed successively by along water (flow) direction
Section Anammox reaction zone (4.3), one section of aerobic reactor zone (4.4) and rearmounted settling zone (4.5)；Described two phase anaerobic is anti-
Area (4.1), one section of hypoxia response area (4.2) and four sections of Anammox reaction zones (4.3) are answered to be equipped with the second agitator
(4.10)；The bottom of one section of described aerobic reactor zone (4.4) is provided with aerator；Aerator is by air compressor (4.7)
Connected by air robot flowmeter (4.8) with the second glutinous sand lump aeration head (4.9)；Three sections of described Anammox reaction zones
(4.3) biofilm filler is used as using square sponge block (4.11)；Rearmounted settling zone (4.5) bottom passes through returned sludge control valve
(4.13) connected with sludge reflux pump (4.12) with first paragraph anaerobic reaction area (4.1), excess sludge is discharged by excess sludge
Control valve (4.14) discharge system.
Embodiment two：Present embodiment is related to a kind of continuous stream A2O denitrification dephosphorizations+Anammox is in parallel
The application process of SBR short distance nitration Treating Municipal Sewages, is carried out according to the following steps：
1) it is inoculated with startup stage
Whole sludge is inoculated with short distance nitration SBR devices, sludge concentration is 2500~3500mg/L, using aerobic starvation
The mode that (being aerated under the conditions of no substrate) cooperation controls in real time realizes the startup of short distance nitration SBR devices, first by the complete of inoculation
Journey sludge is placed in aerobic hungry environment and pre-processed 7 days, is then discharged out supernatant, adds municipal sewage and carries out aerobic aeration, treats
When flex point occur in DO concentration curves, stop aeration；Dissolved oxygen concentration is 0.2~0.5mg/L in control device, SRT is 15~
20d, draining ratio are 70%；Sample and detect from sample tap, treat that nitrite accumulation rate and ammonia nitrogen removal frank are not less than 90%, then
Short-range nitrifying device starts successfully；
Inoculation is except phosphorus sludge is in continuous stream A2In O device, it is 3000~4000mg/L to control sludge concentration, is inoculated with simultaneously
Anammox sponge fillers are in continuous stream A2In three sections of Anammox reaction zones in O device, packing ratio is 30~40%, with
Municipal sewage is process object, and water temperature control is at 30~35 DEG C, and hydraulic detention time HRT controls are 8~12h, return sludge ratio
For 50~150%.In start-up course, NO is added into one section of hypoxia response area using peristaltic pump2 -Solution so that one section of anoxic is anti-
It is NO to answer the mass concentration ratio of nitrite nitrogen and ammonia nitrogen in area2 -:NH4 +=1.5~2.0:1, the DO concentration of one section of aerobic reactor zone
Control as 3~5mg/L, sludge retention time SRT controls are 5~7d.As the PO in water outlet4 3-Concentration reaches below 0.5mg/L,
Water outlet NH4 +5mg/L and below 15mg/L is respectively reached with TN concentration, and when outlet effect is maintained more than three sludge ages,
Then illustrate continuous stream A2O denitrification dephosphorizations+anaerobic ammonium oxidation apparatus starts successfully；
2) the continuous operation phase
Short distance nitration SBR devices and continuous stream A2After O device start completion, replaced with the water outlet of short distance nitration SBR devices
Continuous stream A2The NO in mono- section of hypoxia response area of O2 -Water distribution, the flow of inlet water ratio for controlling nitrite intake pump are 100~150%,
Continuous stream A2The HRT controls of O device be 8~12h, and return sludge ratio is 75~150%, using peristaltic pump to one section of hypoxia response
NO is added in area2 -Solution so that the mass concentration ratio of nitrite nitrogen and ammonia nitrogen is NO in one section of hypoxia response area2 -:NH4 +=1.5
~2.0:1, the DO concentration control of one section of aerobic reactor zone be 3~5mg/L, be 5 by discharging excess sludge control system SRT~
7d, the denitrification dephosphorization reaction of stable realization device and Anammox ammoxidation reaction.As the PO in water outlet4 3-Concentration reaches
Below 0.5mg/L, water outlet NH4 +5mg/L and below 15mg/L (meeting one-level emission standard A) are respectively reached with TN concentration, and is gone out
When water effect maintains more than 100d, then illustrate that device realizes operation steady in a long-term.Hereafter, can according to 35 DEG C → 30 DEG C → 25 DEG C →
The mode of 20 DEG C → 15 DEG C → 10 DEG C (reducing by 5 DEG C every 15d) gradually reduces the running temperature of device, realizes low-carbon-source under low temperature
Municipal sewage continuous stream A2The stable operation of O denitrification dephosphorizations+Anammox parallel connection SBR short-cut nitrification technologies.
Embodiment three：Present embodiment unlike embodiment one, described perforate dividing plate according to
Water (flow) direction is staggered by the way of flowing hole above and below and is attached each cell compartment.Other steps and parameter and specific implementation
Mode one is identical.
Embodiment four：Present embodiment is unlike embodiment two, and sponge is filled out described in step 1
The size range of material is 1.5cm × 1.5cm × 1.5cm-2.0cm × 2.0cm × 2.0cm, other steps and parameter and specific reality
It is identical to apply mode two.
Beneficial effects of the present invention are verified using following examples：
Embodiment：
With reference to shown in Fig. 1, a kind of continuous stream A2O denitrification dephosphorizations+Anammox parallel connection SBR short distance nitrations processing city
The application process of sewage, carry out according to the following steps：
1) it is inoculated with startup stage
Whole sludge is inoculated with short distance nitration SBR devices, sludge concentration is 2500~3500mg/L, using aerobic starvation
The mode that (being aerated under the conditions of no substrate) cooperation controls in real time realizes the startup of short distance nitration SBR devices, first by the complete of inoculation
Journey sludge is placed in aerobic hungry environment and pre-processed 7 days, is then discharged out supernatant, adds municipal sewage and carries out aerobic aeration, treats
When flex point occur in DO concentration curves, stop aeration；Dissolved oxygen concentration is 0.2~0.5mg/L in control device, SRT is 15~
20d, draining ratio are 70%；Sample and detect from sample tap, treat that nitrite accumulation rate and ammonia nitrogen removal frank are not less than 90%, then
Short-range nitrifying device starts successfully；
Inoculation is except phosphorus sludge is in continuous stream A2In O device, it is 3000~4000mg/L to control sludge concentration, is inoculated with simultaneously
Anammox sponge fillers are in continuous stream A2In three sections of Anammox reaction zones in O device, packing ratio is 30~40%, with
Municipal sewage is process object, and water temperature control is at 30~35 DEG C, and hydraulic detention time HRT controls are 8~12h, return sludge ratio
For 50~150%.In start-up course, NO is added into one section of hypoxia response area using peristaltic pump2 -Solution so that one section of anoxic is anti-
It is NO to answer the mass concentration ratio of nitrite nitrogen and ammonia nitrogen in area2 -:NH4 +=1.5~2.0:1, the DO concentration of one section of aerobic reactor zone
Control as 3~5mg/L, sludge retention time SRT controls are 5~7d.As the PO in water outlet4 3-Concentration reaches below 0.5mg/L,
Water outlet NH4 +5mg/L and below 15mg/L is respectively reached with TN concentration, and when outlet effect is maintained more than three sludge ages,
Then illustrate continuous stream A2O denitrification dephosphorizations+anaerobic ammonium oxidation apparatus starts successfully；
2) the continuous operation phase
Short distance nitration SBR devices and continuous stream A2After O device start completion, replaced with the water outlet of short distance nitration SBR devices
Continuous stream A2The NO in mono- section of hypoxia response area of O2 -Water distribution, the flow of inlet water ratio for controlling nitrite intake pump are 100~150%,
Continuous stream A2The HRT controls of O device be 8~12h, and return sludge ratio is 75~150%, using peristaltic pump to one section of hypoxia response
NO is added in area2 -Solution so that the mass concentration ratio of nitrite nitrogen and ammonia nitrogen is NO in one section of hypoxia response area2 -:NH4 +=1.5
~2.0:1, the DO concentration control of one section of aerobic reactor zone be 3~5mg/L, be 5 by discharging excess sludge control system SRT~
7d, the denitrification dephosphorization reaction of stable realization device and Anammox ammoxidation reaction.As the PO in water outlet4 3-Concentration reaches
Below 0.5mg/L, water outlet NH4 +5mg/L and below 15mg/L (meeting one-level emission standard A) are respectively reached with TN concentration, and is gone out
When water effect maintains more than 100d, then illustrate that device realizes operation steady in a long-term.Hereafter, can according to 35 DEG C → 30 DEG C → 25 DEG C →
The mode of 20 DEG C → 15 DEG C → 10 DEG C (reducing by 5 DEG C every 15d) gradually reduces the running temperature of device, realizes low-carbon-source under low temperature
Municipal sewage continuous stream A2The stable operation of O denitrification dephosphorizations+Anammox parallel connection SBR short-cut nitrification technologies.
Complete nitrification sludge and except phosphorus sludge derives from municipal sewage plant's second pond in the present embodiment step 1；Step
Anammox sponge fillers in rapid one derive from sludge-digestion liquid Anammox engineerings.
The size range of sponge filler described in the present embodiment step 1 be 1.5cm × 1.5cm × 1.5cm-2.0cm ×
2.0cm×2.0cm。
The present embodiment is as follows as raw water, specific water quality using Primary Settling Tanks of Municipal Wastewater Treatment Plant water outlet：COD concentration is
188.63 ± 32.89, mg/L, PO4 3-- P concentration is 3.98 ± 1.45mg/L,Concentration is 45.19 ± 5.20mg/L,Concentration is 0.21 ± 0.56mg/L,Concentration is 0.59 ± 1.13mg/L.Experimental rig is as shown in figure 1, wherein
Raw water box dischargeable capacity is 200L, and intermediate water tank dischargeable capacity is 60L, short distance nitration SBR device dischargeable capacity 80L, continuous stream
A2O device dischargeable capacity is 40L, and water tank and device are made of lucite.Will be continuous using the dividing plate with communicating pipe
Flow A2O device is divided into eight reaction zones, and aerobic volumetric ratio can be lacked according to system and is adjusted, and sedimentation basin dischargeable capacity is 16L.
Result of the test shows：After stable, effluent COD concentration is 40.32~53.91mg/L, water outlet PO4 3-- P concentration
For 0.02~0.20mg/L, water outletConcentration is 0.76~3.42mg/L, water outletConcentration is 0.00~0.12mg/
L, water outletConcentration is 3.42~9.66mg/L, and water outlet TN concentration is 5.78~14.81mg/L, water outlet And TN
Concentration reaches the requirement of one-level emission standard A.
Claims (6)
1. continuous stream A2The device of O denitrification dephosphorizations+Anammox parallel connection SBR short distance nitration Treating Municipal Sewages, its feature exist
In：Device include municipal sewage raw water box (1), short distance nitration water outlet intermediate water tank (2), short distance nitration SBR devices (3) and continuously
Flow A2O device (4)；Water inlet pipe (1.1), the first overflow pipe (1.2) and first is set to put on described municipal sewage raw water box (1)
Blank pipe (1.3)；Second overflow pipe (2.1), the second blow-down pipe (2.2) are set on described short distance nitration water outlet intermediate water tank (2)
With nitrite intake pump (2.3)；Described municipal sewage raw water box (1) uses SBR intake pumps (1.5) and A2O intake pumps
(1.4) respectively with short distance nitration SBR devices (3) and continuous stream A2O device (4) connects；Described short distance nitration SBR devices (3)
It is made up of device and a set of control system, sets aeration pump (3.1), gas flowmeter (3.2), the first glutinous sand lump to expose on device
Gas head (3.3), the first agitator (3.4) and electric flowing valve (3.5)；Control system by DO and pH sensors (3.6), DO and
PH analyzers (3.7), computer (3.8) and process control cabinet (3.9) composition；Computer (3.8) passes through data signal line and mistake
Process control cabinet (3.9) connects；Water inlet pump relay, air pump relay, agitator relay and the water outlet pipe valve of process control cabinet
Door relay connects with SBR intake pumps (1.5), aeration pump (3.1), the first agitator (3.4) and electric flowing valve (3.5) respectively
Connect；Described continuous stream A2O device (4) is divided into eight regions by perforate dividing plate, and two phase anaerobic reaction is followed successively by along water (flow) direction
Area (4.1), one section of hypoxia response area (4.2), four sections of Anammox reaction zones (4.3), one section of aerobic reactor zone (4.4), even
Afterflow A2Rearmounted settling zone (4.5) is also set up after O device；Described two phase anaerobic reaction zone (4.1), one section of hypoxia response area
(4.2) and four sections of Anammox reaction zones (4.3) are equipped with the second agitator (4.10)；One section of described aerobic reactor zone
(4.4) bottom is provided with aerator；Aerator passes through air robot flowmeter (4.8) and the by air compressor (4.7)
Two glutinous sand lump aeration head (4.9) connections；Three sections of described Anammox reaction zones (4.3) use square sponge block (4.11)
As biofilm filler；Rearmounted settling zone (4.5) bottom by returned sludge control valve (4.13) and sludge reflux pump (4.12) with
First paragraph anaerobic reaction area (4.1) connects, and excess sludge passes through excess sludge exhaust-control valve (4.14) discharge system.
2. the method for application device as claimed in claim 1, it is characterised in that comprise the following steps：
1) it is inoculated with startup stage
Whole sludge is inoculated with short distance nitration SBR devices, sludge concentration is 2500~3500mg/L, first by the whole process of inoculation
Sludge is placed in aerobic hungry environment and pre-processed 7 days, is then discharged out supernatant, adds municipal sewage and carries out aerobic aeration, treats DO
When flex point occurs in concentration curve, stop aeration；Dissolved oxygen concentration is 0.2~0.5mg/L in control device, and SRT is 15~20d,
Draining ratio is 70%；Sample and detect from sample tap, treat that nitrite accumulation rate and ammonia nitrogen removal frank are not less than 90%, then short distance
Nitrification installation starts successfully；
Inoculation is except phosphorus sludge is in continuous stream A2In O device, it is 3000~4000mg/L to control sludge concentration, while is inoculated with Anammox
Sponge filler is in continuous stream A2In three sections of Anammox reaction zones in O device, packing ratio is 30~40%, with municipal sewage
For process object, at 30~35 DEG C, hydraulic detention time HRT controls be 8~12h for water temperature control, return sludge ratio for 50~
150%；In start-up course, NO is added into one section of hypoxia response area using peristaltic pump2 -Solution so that in one section of hypoxia response area
The mass concentration ratio of nitrite nitrogen and ammonia nitrogen is NO2 -:NH4 +=1.5~2.0:1, the DO concentration of one section of aerobic reactor zone, which controls, is
3~5mg/L, sludge retention time SRT control are 5~7d；As the PO in water outlet4 3-Concentration reaches below 0.5mg/L, water outlet NH4 +
5mg/L and below 15mg/L is respectively reached with TN concentration, and when outlet effect is maintained more than three sludge ages, then explanation connects
Afterflow A2O denitrification dephosphorizations+anaerobic ammonium oxidation apparatus starts successfully；
2) the continuous operation phase
Short distance nitration SBR devices and continuous stream A2After O device start completion, continuous stream is replaced with the water outlet of short distance nitration SBR devices
A2The NO in mono- section of hypoxia response area of O2 -Water distribution, the flow of inlet water ratio for controlling nitrite intake pump are 100~150%, continuous stream
A2The HRT controls of O device are 8~12h, and return sludge ratio is 75~150%, is thrown using peristaltic pump into one section of hypoxia response area
Add NO2 -Solution so that the mass concentration ratio of nitrite nitrogen and ammonia nitrogen is NO in one section of hypoxia response area2 -:NH4 +=1.5~2.0:
1, the DO concentration control of one section of aerobic reactor zone is 3~5mg/L, is 5~7d by discharging excess sludge control system SRT, surely
Determine denitrification dephosphorization reaction and the Anammox ammoxidation reaction of realization device；As the PO in water outlet4 3-Concentration reaches 0.5mg/
Below L, water outlet NH4 +5mg/L and below 15mg/L is respectively reached with TN concentration, and during outlet effect maintenance more than 100d, is then said
Bright device realizes operation steady in a long-term；Hereafter, it is gradual in the way of 35 DEG C → 30 DEG C → 25 DEG C → 20 DEG C → 15 DEG C → 10 DEG C
The running temperature of device is reduced, 5 DEG C is reduced every 15d, realizes low carbon source urban sewage continuous stream A under low temperature2O denitrification dephosphorizations
The stable operation of+Anammox parallel connection SBR short-cut nitrification technologies.
3. according to the method for claim 2, it is characterised in that：Perforate dividing plate is used according to water (flow) direction and is staggered up and down
The mode of flowing hole is attached each cell compartment.
4. according to the method for claim 2, it is characterised in that：The size range of sponge filler described in step 1) is
1.5cm×1.5cm×1.5cm-2.0cm×2.0cm×2.0cm。
5. according to the method for claim 2, it is characterised in that：, complete nitrification sludge and dephosphorization dirt described in step 1)
Mud derives from municipal sewage plant's second pond.
6. according to the method for claim 2, it is characterised in that：Anammox sponge fillers described in step 1) derive from
Sludge-digestion liquid Anammox engineerings.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009018686A1 (en) * | 2007-08-08 | 2009-02-12 | Guanghao Peng | A method for removing the contamination of c, n utilizing heterotrophic ammonia-oxidizing bacteria |
| CN104370422A (en) * | 2014-11-23 | 2015-02-25 | 北京工业大学 | Device and method for coupling short-cut denitrification phosphorus removal with anaerobic ammonia oxidation |
| CN105540846A (en) * | 2015-12-29 | 2016-05-04 | 哈尔滨工业大学 | Low-carbon-source municipal sewage improved UCT autotrophic denitrification dephosphorization device and application method thereof |
-
2017
- 2017-08-08 CN CN201710668916.8A patent/CN107399817A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009018686A1 (en) * | 2007-08-08 | 2009-02-12 | Guanghao Peng | A method for removing the contamination of c, n utilizing heterotrophic ammonia-oxidizing bacteria |
| CN104370422A (en) * | 2014-11-23 | 2015-02-25 | 北京工业大学 | Device and method for coupling short-cut denitrification phosphorus removal with anaerobic ammonia oxidation |
| CN105540846A (en) * | 2015-12-29 | 2016-05-04 | 哈尔滨工业大学 | Low-carbon-source municipal sewage improved UCT autotrophic denitrification dephosphorization device and application method thereof |
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| WO2020200262A1 (en) * | 2019-04-02 | 2020-10-08 | 北京工业大学 | Method and device for realizing heterotrophic and autotrophic coupling deep denitrification and simultaneous sludge reduction in aoa-sbr |
| CN110015818A (en) * | 2019-05-17 | 2019-07-16 | 北京工业大学 | Continuous flow dephosphorization nitrosation couples Anammox denitrogenation dephosphorizing SBR technique |
| CN110015818B (en) * | 2019-05-17 | 2022-05-24 | 北京工业大学 | Continuous flow phosphorus removal nitrosation coupling anaerobic ammonia oxidation nitrogen and phosphorus removal SBR process |
| CN111186912A (en) * | 2019-08-08 | 2020-05-22 | 山东泽汇环保设备有限公司 | Sewage treatment device and sewage treatment process |
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