CN105906044A - Device and method for treating low-carbon urban sewage through synchronization of anaerobic ammonia oxidation coupling denitrifying phosphorus removal and endogenous denitrification - Google Patents
Device and method for treating low-carbon urban sewage through synchronization of anaerobic ammonia oxidation coupling denitrifying phosphorus removal and endogenous denitrification Download PDFInfo
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- CN105906044A CN105906044A CN201610440726.6A CN201610440726A CN105906044A CN 105906044 A CN105906044 A CN 105906044A CN 201610440726 A CN201610440726 A CN 201610440726A CN 105906044 A CN105906044 A CN 105906044A
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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
- C02F3/28—Anaerobic digestion processes
- C02F3/286—Anaerobic digestion processes including two or more steps
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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
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- C02F3/302—Nitrification and denitrification treatment
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Abstract
The invention discloses a device and method for treating low-carbon urban sewage through synchronization of anaerobic ammonia oxidation coupling denitrifying phosphorus removal and endogenous denitrification, and belongs to the field of biological sewage treatment. Urban sewage enters an endogenous denitrification coupling dephosphorization SBR reactor for anaerobic stirring, energy is provided for glycogen inside denitrification glycogen-accumulating organisms decomposition cells, volatile fatty acid VFA in sewage is absorbed for synthesizing an internal carbon source PHA to be stored into the body, meanwhile, the denitrification phosphate-accumulating organisms are subjected to anaerobic phosphorus release, and VFA in the sewage is absorbed for synthesizing PHA to be stored into the body; after anaerobic stirring is finished, precipitation and drainage are performed, outlet water is drained into a middle water tank; then, water containing ammonia nitrogen and phosphate in the middle water tank is made to enter an integrated partial nitrification anaerobic ammonia oxidation SBR reactor, intermittent hypoxia aeration stirring is performed, and water is drained and drained into a water outlet tank; the outlet water of the integrated partial nitrification anaerobic ammonia oxidation SBR reactor is made to enter the endogenous denitrification coupling dephosphorization SBR reactor for hypoxia aeration stirring. According to the method, organic carbon sources in raw water are efficiently utilized, and the aeration rate is saved.
Description
Technical field
The present invention relates to technical field of biological sewage treatment, particularly relate to Anammox coupling denitrification dephosphorization synchronization endogenous instead
Nitrification processes the apparatus and method of Low-carbon Urban Wastewater.
Background technology
The not qualified discharge of sewerage nitrogen and phosphor is the immediate cause causing body eutrophication.According to statistics, in global range 30%～
The lake of 40% and reservoir are affected by eutrophication in various degree, and China has become the serious state of lake eutrophication in the world
One of family.26 lakes according to investigations, the end of the seventies eutrophic lake only account for 27%, the end of the eighties reaches 61%, 90
Age end is up to 85%, and after 2000, development is the rapidest.As: Dianchi Lake, Yunnan Province, Chaohu, Taihu Lake etc. all receive more
Significantly pollute, occur in that body eutrophication phenomenon.Therefore, the denitrogenation dephosphorizing of sewage has become sewage disposal research field
Focus.
It is low that municipal sewage has C/N ratio, but the feature of easily biological-degradable.Therefore more special than the water quality of municipal sewage for low C/N
Point, proposes a kind of technique for low-carbon (LC) sewage synchronous denitrification dephosphorizing extremely urgent.In view of enhanced biological phosphorus removal (EBPR)
In system, polyP bacteria (PAOs) enrichment degree is high, can realize the efficient dephosphorization of sewage, and synchronous nitration and denitrification (SND)
Technique can realize the removal of nitrogen under low oxygen conditions, is reducing water outlet NOx -While-N, anaerobism section NO can be reducedx --N pair
PAOs releases the impact of phosphorus.Therefore, EBPR with SND is coupled, i.e. SNDPR technique, can detesting at a reactor
Oxygen section realizes releasing the storage of phosphorus and internal carbon source, realizes nitrification, endogenous denitrification, aerobic phosphorus absorption and denitrification in its hypoxemia section and removes
Carry out while phosphorus, thus realize nitrogen and the removal of phosphorus in sewage.In addition, it is contemplated that the nitrogen removal performance of SND technique has one
Fixed limitation, therefore, removes the synchronization that short distance nitration anaerobic ammonia oxidation process coupling SNDPR technique can realize nitrogen phosphorus.
Owing to the organic carbon source in former water is mainly used in dephosphorization process, the removal of nitrogen is mainly by short distance nitration anaerobic ammonium oxidation process
Realize, thus avoid denitrification process and the competition to organic carbon source of the dephosphorization process.
In summary, the dephosphorization of Anammox coupling denitrification synchronizes endogenous denitrification technique and combines synchronous nitration and denitrification and remove
Phosphorus SNDPR technique and the respective advantage of short distance nitration anaerobic ammonia oxidation process, can be applicable to low C/N and remove than the denitrogenation of sewage
Phosphorus, and technological process is simple, operating cost is low.
Summary of the invention
It is an object of the invention to provide a kind of Anammox coupling denitrification dephosphorization and synchronize endogenous denitrification process low-carbon (LC) city
The apparatus and method of city's sewage, it is achieved without C/N low under conditions of additional carbon than the synchronous denitrification dephosphorizing of municipal sewage, solve
Have in tradition denitrification dephosphorization technique that carbon source is not enough, denitrogenation and dephosphorization can not reach the problem such as optimal simultaneously.Additionally, this invention
The advantage combining synchronous nitration and denitrification dephosphorization process and short distance nitration anaerobic ammonia oxidation process, can at utmost utilize former
While water carbon source carries out dephosphorization, it is achieved the efficient removal of nitrogen in municipal sewage.
It is an object of the invention to solve by the following technical programs: Anammox coupling denitrification dephosphorization synchronize endogenous instead
Nitrification processes the device of Low-carbon Urban Wastewater, it is characterised in that include that the former water tank of municipal sewage 1, endogenous denitrification couple
Dephosphorization sbr reactor device 2, intermediate water tank 3, go out water tank 4, integration short distance nitration Anammox sbr reactor device 5,
On-line monitoring and feedback control system 6；The former water tank of wherein said municipal sewage 1 by the first intake pump 2.1 with endogenous instead
Nitrification coupling dephosphorization sbr reactor device 2 is connected；Endogenous denitrification coupling dephosphorization sbr reactor device 2 is by the first electronic row
Water valve 2.5 is connected with intermediate water tank 3；Intermediate water tank 3 is by the 3rd intake pump 5.1 and integrated short distance nitration anaerobism ammonia
Oxidation sbr reactor device 5 is connected；Integration short distance nitration Anammox sbr reactor device 5 is by the second electric draining
Valve 5.8 is connected with going out water tank 4；Go out water tank 4 and couple dephosphorization SBR with endogenous denitrification by the second intake pump 2.2
Reactor 2 is connected；Go out water tank 4 anti-with integrated short distance nitration Anammox SBR by sludge reflux pump 5.11
Device 5 is answered to be connected；
Described endogenous denitrification coupling dephosphorization sbr reactor device 2 be provided with first paddle the 2.4, first electric draining valve 2.5,
First thief hatch the 2.6, the oneth pH sensor the 2.9, the oneth DO sensor 2.10；
Described integration short distance nitration Anammox sbr reactor device 5 is provided with the second paddle 5.3, air pump 5.4, gas
Flowmeter 5.6, aeration head the 5.7, second electric draining valve the 5.8, second thief hatch 5.9, the 2nd pH sensor 5.13,
Two DO sensors 5.14；
Described on-line monitoring and feedback control system 6 include computer 6.1 and process controller able to programme 6.2, process able to programme
Controller 6.2 arranges signal adapter DA translation interface 6.3, signal adapter AD conversion interface the 6.4, first agitator
Relay the 6.5, the oneth pH/DO data signal interfaces 6.6, water inlet relay 6.7, aeration relay the 6.8, second agitator
Relay the 6.9, the 2nd pH/DO data signal interfaces 6.10；Wherein, the signal AD on process controller 6.2 able to programme
Translation interface 6.4 is connected with computer 6.1 by cable, sensor analog signals is converted into data signal and passes to
Computer 6.1；Computer 6.1 is connected with process controller 6.2 able to programme by signal adapter DA translation interface 6.3,
The digital command of computer 6.1 is passed to process controller 6.2 able to programme；First agitator relay 6.5 and the first stirring
Device 2.3 is connected；Oneth pH/DO data signal interfaces 6.6 is connected with a pH/DO analyzer 2.8；Water inlet relay
Device 6.7 is connected with the second intake pump 2.2；Aeration relay 6.8 is connected with magnetic valve 5.5；Second agitator relay
6.9 are connected with the second agitator 5.2；Oneth pH sensor 2.9 and a DO sensor 2.10 respectively with a pH/DO
Analyzer 2.8 is connected；2nd pH/DO data signal interfaces 6.10 is connected with the 2nd pH/DO analyzer 5.12；The
Two pH sensors 5.13 are connected with the 2nd pH/DO analyzer 5.12 respectively with the 2nd DO sensor 5.14.
Sewage handling process in this device is: municipal sewage is taken out by municipal sewage raw water box 1 by the first intake pump 2.1
Enter endogenous denitrification coupling dephosphorization sbr reactor device 2；In endogenous denitrification coupling dephosphorization sbr reactor device 2, fusca xylanase
Decomposing intracellular glycogen and provide energy, volatile fatty acid (VFA) the synthesis internal carbon source PHA absorbed in sewage stores
In internal, meanwhile, PAOs carries out anaerobic phosphorus release, and the VFA synthesis PHA absorbed in sewage is stored in internal, anaerobism
After stirring terminates, sedimentation and drawing, water outlet enters intermediate water tank 3 by the first electric draining valve 2.5；Open the 3rd intake pump
5.1, after endogenous denitrification coupling dephosphorization sbr reactor device 2 anaerobic reaction terminates in intermediate water tank 3, contain NH4 +-N and phosphorus
Water outlet suction integration short distance nitration Anammox sbr reactor device 5；At integration short distance nitration Anammox SBR
In reactor 5, ammonia oxidation bacteria passes through short distance nitration effect by former water NH4 +-N section is converted into NO2 --N, Anammox
Bacterium is by former water NH4 +-N and short distance nitration process produce nitrite nitrogen and change into NO3 --N and N2, water outlet is electronic by second
Draining valve 5.8 enters out water tank 4；Open the second intake pump 2.2, by integration short distance nitration Anammox sbr reactor
Device 5 is containing NO3 -In the water outlet suction endogenous denitrification coupling dephosphorization sbr reactor device 2 of-N, polyP bacteria utilizes anaerobic reaction
During store internal carbon source PHA carry out aerobic phosphorus absorption and denitrification dephosphorization, meanwhile, denitrification fusca xylanase utilizes anaerobism anti-
The internal carbon source PHA stored during Ying carries out endogenous denitrification denitrogenation, thus by the NO of anaerobic ammonium oxidation process generation3 --N
Removing, water outlet is discharged by the first electric draining valve 2.5.
Present invention also offers Anammox coupling denitrification dephosphorization and synchronize the side of endogenous denitrification process Low-carbon Urban Wastewater
Method, its concrete startup and operating procedure are as follows:
1) startup of system:
Denitrification dephosphorization mud is added to endogenous denitrification coupling dephosphorization sbr reactor device 2, make endogenous denitrification after inoculation
In coupling dephosphorization sbr reactor device 2, activated sludge concentration reaches 2000～4000mg/L；By short distance nitration mud and anaerobism
Add to integration short distance nitration Anammox sbr reactor device 5 after ammoxidation mud 1:2 by volume mixing, make to connect
After Zhong, in integration short distance nitration Anammox sbr reactor device 5, activated sludge concentration reaches 2000～4000mg/L；
Short distance nitration mud and anaerobic ammonium oxidation sludge mass concentration are all 2000～4000mg/L；
2) regulation operation when running:
Municipal sewage is added the former water tank of municipal sewage 1, starts the first intake pump 2.1 by endogenous for municipal sewage suction anti-nitre
Change in coupling dephosphorization sbr reactor device 2, anaerobism stirring 60～180min, precipitation, draining, draining ratio is 0.2～0.4,
Water outlet enters intermediate water tank 3；
Start the 3rd intake pump 5.1 and endogenous denitrification is coupled the draining of dephosphorization sbr reactor device 2 anaerobism stirring end from centre
In water tank 3 suction integration short distance nitration Anammox sbr reactor device 5, carry out batch (-type) low-oxygen aeration stirring, when
NH4 +Stopping low-oxygen aeration stirring, precipitation, draining during-N concentration ＜ 1.0mg/L, draining ratio is 0.2～0.4, and water outlet is arranged
Enter out water tank 4；Batch (-type) low-oxygen aeration stirring herein refers to carry out low-oxygen aeration every 15～30min, and DO is dense
Degree is 0.3～0.5mg/L；
Start the water outlet by integration short distance nitration Anammox sbr reactor device 5 of second intake pump 2.2 by going out water tank 4
In suction endogenous denitrification coupling dephosphorization sbr reactor device 2, low-oxygen aeration stirring 180～300min, precipitation, draining,
Draining ratio is 0.2～0.4；During low-oxygen aeration, DO concentration is 0.3～0.5mg/L；
Endogenous denitrification coupling dephosphorization sbr reactor device 2 needs spoil disposal when running, and makes endogenous denitrification couple dephosphorization sbr reactor
In device 2, sludge concentration maintains 2000～4000mg/L；
Integration short distance nitration Anammox sbr reactor device 5 need to carry out sludge reflux when running, dirty when going out in water tank 4
When mud accumulation is more than 1L, starts sludge reflux pump 5.11, the excess sludge gone out in water tank 4 is all back to integration
Short distance nitration Anammox sbr reactor device 5, to prevent anaerobic ammonium oxidation sludge to run off.
Anammox coupling denitrification dephosphorization of the present invention synchronizes endogenous denitrification and processes the apparatus and method of Low-carbon Urban Wastewater,
Have the advantage that
1) short distance nitration and Anammox technical tie-up are applied in the denitrification process of low ratio of carbon to ammonium municipal sewage, are not required to
Want organic carbon source, and the NO that anaerobic ammonium oxidation process produces3 --N can be used as the electron acceptor of Denitrifying Phosphorus Removal；
2) enhanced biological phosphorus removal EBPR technology is coupled, due to system with synchronous nitration endogenous denitrification SNED technology
Interior polyP bacteria and fusca xylanase enrichment degree are higher, can realize under anaerobism/hypoxia condition municipal sewage efficient, stablize denitrogenation and remove
Phosphorus；
3) endogenous denitrification coupling dephosphorization sbr reactor device can realize nitrification, endogenous denitrification, aerobic suction in low-oxygen aeration section
Carry out while phosphorus and denitrification dephosphorization, it is ensured that the carrying out of denitrogenation dephosphorizing process.
Accompanying drawing explanation
Fig. 1 is the knot that Anammox coupling denitrification dephosphorization of the present invention synchronizes endogenous denitrification process Low-carbon Urban Wastewater device
Structure schematic diagram.
In Fig. 1,1 is the former water tank of municipal sewage；2 couple dephosphorization sbr reactor device for endogenous denitrification；3 is intermediate water tank；
4 for going out water tank；5 integrated short distance nitration Anammox sbr reactor devices；6 is on-line monitoring and FEEDBACK CONTROL system
System；1.1 is the first overflow pipe；1.2 first blow-down pipes；2.1 be the first intake pump；2.2 is the second intake pump；2.3 is
One agitator；2.4 is the first paddle；2.5 is the first electric draining valve；2.6 is the first thief hatch；2.7 is the first spoil disposal
Pipe；2.8 is a pH/DO analyzer；2.9 is a pH sensor；2.10 is a DO sensor；3.1 is
Two overflow pipes；3.2 second blow-down pipes；4.1 is the 3rd overflow pipe；4.2 the 3rd blow-down pipes；5.1 is the 3rd intake pump；5.2
It it is the second agitator；5.3 is the second paddle；5.4 is air pump；5.5 is magnetic valve；5.6 is gas flowmeter；5.7 it is
Aeration head；5.8 is the second electric draining valve；5.9 is the second thief hatch；5.10 is the second discharge pipeline；5.11 be sludge reflux
Pump；5.12 is the 2nd pH/DO analyzer；5.13 is the 2nd pH sensor；5.14 is DO sensor；6.1 for calculating
Machine；6.2 is process controller able to programme；6.3 is signal adapter DA translation interface；6.4 is signal adapter AD conversion
Interface；6.5 is the first agitator relay；6.6 is a pH/DO data signal interfaces；6.7 is water inlet relay；6.8
For aeration relay；6.9 is the second agitator relay；6.10 is the 2nd pH/DO data signal interfaces.
Detailed description of the invention
The present invention is described further with embodiment below in conjunction with the accompanying drawings: as it is shown in figure 1, Anammox couples anti-nitre
Eliminate phosphorus and synchronize the device of endogenous denitrification process Low-carbon Urban Wastewater, including the former water tank of municipal sewage 1, endogenous denitrification
Couple dephosphorization sbr reactor device 2, intermediate water tank 3, go out water tank 4, integration short distance nitration Anammox sbr reactor
Device 5, on-line monitoring and feedback control system 6；The former water tank of wherein said municipal sewage 1 passes through the first intake pump 2.1 with interior
Source denitrification coupling dephosphorization sbr reactor device 2 is connected；Endogenous denitrification coupling dephosphorization sbr reactor device 2 is by the first electricity
Dynamic draining valve 2.5 is connected with intermediate water tank 3；Intermediate water tank 3 is detested with integrated short distance nitration by the 3rd intake pump 5.1
Anaerobic ammonium oxidation sbr reactor device 5 is connected；Integration short distance nitration Anammox sbr reactor device 5 is electronic by second
Draining valve 5.8 is connected with going out water tank 4；Go out water tank 4 and couple dephosphorization by the second intake pump 2.2 with endogenous denitrification
Sbr reactor device 2 is connected；Go out water tank 4 by sludge reflux pump 5.11 and integrated short distance nitration Anammox SBR
Reactor 5 is connected；
Described endogenous denitrification coupling dephosphorization sbr reactor device 2 be provided with first paddle the 2.4, first electric draining valve 2.5,
First thief hatch the 2.6, the oneth pH sensor the 2.9, the oneth DO sensor 2.10；
Described integration short distance nitration Anammox sbr reactor device 5 is provided with the second paddle 5.3, air pump 5.4, gas
Flowmeter 5.6, aeration head the 5.7, second electric draining valve the 5.8, second thief hatch 5.9, the 2nd pH sensor 5.13,
Two DO sensors 5.14；
Described on-line monitoring and feedback control system 6 include computer 6.1 and process controller able to programme 6.2, process able to programme
Controller 6.2 arranges signal adapter DA translation interface 6.3, signal adapter AD conversion interface the 6.4, first agitator
Relay the 6.5, the oneth pH/DO data signal interfaces 6.6, water inlet relay 6.7, aeration relay the 6.8, second agitator
Relay the 6.9, the 2nd pH/DO data signal interfaces 6.10；Wherein, the signal AD on process controller 6.2 able to programme
Translation interface 6.4 is connected with computer 6.1 by cable, sensor analog signals is converted into data signal and passes to
Computer 6.1；Computer 6.1 is connected with process controller 6.2 able to programme by signal adapter DA translation interface 6.3,
The digital command of computer 6.1 is passed to process controller 6.2 able to programme；First agitator relay 6.5 and the first stirring
Device 2.3 is connected；Oneth pH/DO data signal interfaces 6.6 is connected with a pH/DO analyzer 2.8；Water inlet relay
Device 6.7 is connected with the second intake pump 2.2；Aeration relay 6.8 is connected with magnetic valve 5.5；Second agitator relay
6.9 are connected with the second agitator 5.2；Oneth pH sensor 2.9 and a DO sensor 2.10 respectively with a pH/DO
Analyzer 2.8 is connected；2nd pH/DO data signal interfaces 6.10 is connected with the 2nd pH/DO analyzer 5.12；The
Two pH sensors 5.13 are connected with the 2nd pH/DO analyzer 5.12 respectively with the 2nd DO sensor 5.14.
In process of the test, test water takes from Beijing University of Technology's dependents' district sanitary sewage, and concrete water quality is as follows: COD concentration
Being 178.2～262.0mg/L, NH4+-N concentration is 43.4～67.4mg/L, NO2 --N concentration < 0.5mg/L, NO3 --N
< 1mg/L, P concentration is 4.6～7.4mg/L to concentration.Pilot system as it is shown in figure 1, reactor is lucite material,
Endogenous denitrification coupling dephosphorization sbr reactor device 2 dischargeable capacity is 10L, and short distance nitration Anammox SBR is anti-in integration
Answering device 5 dischargeable capacity is 10L.
Concrete operation operation is as follows:
1) startup of system:
Denitrification dephosphorization mud is added to endogenous denitrification coupling dephosphorization sbr reactor device 2, make endogenous denitrification after inoculation
In coupling dephosphorization sbr reactor device 2, activated sludge concentration reaches 3000mg/L；By dirty to short distance nitration mud and Anammox
Add to integration short distance nitration Anammox sbr reactor device 5 after mud 1:2 by volume mixing, make one after inoculation
In changing short distance nitration Anammox sbr reactor device 5, activated sludge concentration reaches 3000mg/L；Short distance nitration mud and detesting
Anaerobic ammonium oxidation sludge quality concentration is all 3000mg/L；
2) regulation operation when running:
Municipal sewage is added the former water tank of municipal sewage 1, starts the first intake pump 2.1 by endogenous instead for 4L municipal sewage suction
In nitrification coupling dephosphorization sbr reactor device 2, anaerobism stirring 180min, precipitation, draining, draining ratio is 0.4, and water outlet enters
Intermediate water tank 3；
Start the 3rd intake pump 5.1 and endogenous denitrification is coupled the draining of dephosphorization sbr reactor device 2 anaerobism stirring end from centre
In water tank 3 suction integration short distance nitration Anammox sbr reactor device 5, carry out carrying out batch (-type) hypoxemia every 15min
Aeration agitation, and to control DO concentration be 0.3mg/L, works as NH4 +Low-oxygen aeration stirring is stopped during-N concentration ＜ 1.0mg/L,
Precipitation, draining, draining ratio is 0.4, and water outlet enters out water tank 4；Start the second intake pump 2.2 by integration short distance nitre
Change the water outlet of Anammox sbr reactor device 5 by going out water tank 4 suction endogenous denitrification coupling dephosphorization sbr reactor device 2
In, low-oxygen aeration stirring 240min, precipitation, draining, draining ratio is 0.4；During low-oxygen aeration, DO concentration is 0.3mg/L；
Endogenous denitrification coupling dephosphorization sbr reactor device 2 needs spoil disposal when running, and makes endogenous denitrification couple dephosphorization sbr reactor
In device 2, sludge concentration maintains 3000mg/L；
Integration short distance nitration Anammox sbr reactor device 5 need to carry out sludge reflux when running, dirty when going out in water tank 4
When mud accumulation is more than 1L, starts sludge reflux pump 5.11, the excess sludge gone out in water tank 4 is all back to integration
Short distance nitration Anammox sbr reactor device 5, to prevent anaerobic ammonium oxidation sludge to run off.
Result of the test shows: after stable, integration short distance nitration Anammox sbr reactor device 5 water outlet NH4 +-N
Concentration ＜ 1mg/L, NO2 --N is ＜ 1mg/L, NO3 --N ＜ 8mg/L；Anammox coupling denitrification dephosphorization SBR
Reactor 2 effluent COD concentration is 36～49mg/L, NH4 +-N concentration ＜ 3mg/L, NO2 --N is ＜ 1mg/L, NO3 --N
＜ 5mg/L, TN concentration ＜ 10mg/L, PO4 3--P concentration ＜ 0.5mg/L.
Claims (2)
1. the dephosphorization of Anammox coupling denitrification synchronizes endogenous denitrification and processes the device of Low-carbon Urban Wastewater, its feature
It is, including the former water tank of municipal sewage (1), endogenous denitrification coupling dephosphorization sbr reactor device (2), middle water
Case (3), go out water tank (4), integration short distance nitration Anammox sbr reactor device (5), on-line monitoring and
Feedback control system (6)；The former water tank of wherein said municipal sewage (1) passes through the first intake pump (2.1) with endogenous
Denitrification coupling dephosphorization sbr reactor device (2) is connected；Endogenous denitrification coupling dephosphorization sbr reactor device (2) leads to
Cross the first electric draining valve (2.5) to be connected with intermediate water tank (3)；Intermediate water tank (3) passes through the 3rd intake pump (5.1)
It is connected with integrated short distance nitration Anammox sbr reactor device (5)；Integration short distance nitration Anammox
Sbr reactor device (5) is connected with going out water tank (4) by the second electric draining valve (5.8)；Go out water tank (4)
It is connected with endogenous denitrification coupling dephosphorization sbr reactor device (2) by the second intake pump (2.2)；Go out water tank (4)
It is connected with integrated short distance nitration Anammox sbr reactor device (5) by sludge reflux pump (5.11)；
Described endogenous denitrification coupling dephosphorization sbr reactor device (2) is provided with the first paddle (2.4), first electronic
Draining valve (2.5), the first thief hatch (2.6), a pH sensor (2.9), a DO sensor (2.10)；
Described integration short distance nitration Anammox sbr reactor device (5) is provided with the second paddle (5.3), gas
Pump (5.4), gas flowmeter (5.6), aeration head (5.7), the second electric draining valve (5.8), the second thief hatch (5.9),
2nd pH sensor (5.13), the 2nd DO sensor (5.14)；
Described on-line monitoring and feedback control system (6) include computer (6.1) and process controller able to programme (6.2),
Process controller able to programme (6.2) arranges signal adapter DA translation interface (6.3), signal adapter AD conversion
Interface (6.4), the first agitator relay (6.5), a pH/DO data signal interfaces (6.6), water inlet relay
Device (6.7), aeration relay (6.8), the second agitator relay (6.9), the 2nd pH/DO data signal interfaces
(6.10)；Wherein, signal AD conversion interface (6.4) on process controller able to programme (6.2) passes through cable
It is connected with computer (6.1), sensor analog signals is converted into data signal and passes to computer (6.1)；Meter
Calculation machine (6.1) is connected with process controller able to programme (6.2) by signal adapter DA translation interface (6.3),
The digital command of computer (6.1) is passed to process controller able to programme (6.2)；First agitator relay (6.5)
It is connected with the first agitator (2.3)；Oneth pH/DO data signal interfaces (6.6) measures with a pH/DO
Instrument (2.8) is connected；Water inlet relay (6.7) is connected with the second intake pump (2.2)；Aeration relay (6.8)
It is connected with magnetic valve (5.5)；Second agitator relay (6.9) is connected with the second agitator (5.2)；The
One pH sensor (2.9) and a DO sensor (2.10) respectively with pH/DO analyzer (2.8) phase
Connect；2nd pH/DO data signal interfaces (6.10) is connected with the 2nd pH/DO analyzer (5.12)；The
Two pH sensors (5.13) and the 2nd DO sensor (5.14) respectively with the 2nd pH/DO analyzer (5.12)
It is connected.
2. the method that device described in application claim 1 processes Low-carbon Urban Wastewater, it is characterised in that include following interior
Hold:
1) startup of system:
Denitrification dephosphorization mud is added to endogenous denitrification coupling dephosphorization sbr reactor device (2), in making after inoculation
Source denitrification coupling dephosphorization sbr reactor device (2) interior activated sludge concentration reaches 2000～4000mg/L；By short
Add to integration short distance nitration Anammox after journey nitrifying sludge and anaerobic ammonium oxidation sludge 1:2 by volume mixing
In sbr reactor device (5), activity in integrated short distance nitration Anammox sbr reactor device (5) after making inoculation
Sludge concentration reaches 2000～4000mg/L；
2) regulation operation when running:
Municipal sewage is added the former water tank of municipal sewage (1), starts the first intake pump (2.1) by municipal sewage suction
In endogenous denitrification coupling dephosphorization sbr reactor device (2), anaerobism stirring 60～180min, precipitation, draining, row
Water ratio is 0.2～0.4, and water outlet enters intermediate water tank (3)；
Start the 3rd intake pump (5.1) and endogenous denitrification is coupled what the stirring of dephosphorization sbr reactor device (2) anaerobism terminated
Draining is in intermediate water tank (3) suction integration short distance nitration Anammox sbr reactor device (5), between carrying out
Formula of having a rest low-oxygen aeration stirs, and works as NH4 +Stop low-oxygen aeration during-N concentration ＜ 1.0mg/L to stir, precipitation, draining,
Draining ratio is 0.2～0.4, and water outlet enters out water tank (4)；Herein batch (-type) low-oxygen aeration stirring refer to every
15～30min carry out low-oxygen aeration, and DO concentration is 0.3～0.5mg/L；
Start the second intake pump (2.2) by integration short distance nitration Anammox sbr reactor device (5) water outlet by
Go out in water tank (4) suction endogenous denitrification coupling dephosphorization sbr reactor device (2), low-oxygen aeration stirring 180～
300min, precipitation, draining, draining ratio is 0.2～0.4；During low-oxygen aeration, DO concentration is 0.3～0.5mg/L；
Endogenous denitrification coupling dephosphorization sbr reactor device (2) needs spoil disposal when running, and makes endogenous denitrification couple dephosphorization SBR
Reactor (2) interior sludge concentration maintains 2000～4000mg/L；
Integration short distance nitration Anammox sbr reactor device (5) need to carry out sludge reflux, when water outlet water when running
When mud accumulation is more than 1L in case (4), starts sludge reflux pump (5.11), the residue in water tank (4) will be gone out
Mud is all back to integration short distance nitration Anammox sbr reactor device (5).
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