CN107162194A - It is a kind of while realizing the apparatus and method that municipal sewage treatment and phosphorus are reclaimed - Google Patents
It is a kind of while realizing the apparatus and method that municipal sewage treatment and phosphorus are reclaimed Download PDFInfo
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- CN107162194A CN107162194A CN201710522398.9A CN201710522398A CN107162194A CN 107162194 A CN107162194 A CN 107162194A CN 201710522398 A CN201710522398 A CN 201710522398A CN 107162194 A CN107162194 A CN 107162194A
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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
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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
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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
- 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 invention belongs to technical field of biological sewage treatment, it is related to a kind of while realizing the apparatus and method that municipal sewage treatment and phosphorus are reclaimed, municipal sewage opens air pump after municipal sewage raw water water tank suction autotrophic denitrification dephosphorization SBBR reactors by the first intake pump and regulates and controls gas flowmeter, autotrophic denitrification dephosphorization SBBR reactors enter low-oxygen aeration agitation phases, low-oxygen aeration stirring terminate after spoil disposal by mud valve be discharged into after intermediate water tank through second water inlet be pumped into it is secondary release in phosphorus sbr reactor device carry out anaerobism stirring reclaim high concentration phosphate；Water outlet after anaerobism stirring terminates is discharged into phosphorus return water tank through the second electric draining valve, and excess sludge is then back to autotrophic denitrification dephosphorization SBBR reactors through sludge reflux pump；Effluent dephosphorization process and autotrophic denitrification dephosphorization process are united and applied in the recovery of the denitrogenation dephosphorizing and phosphor resource of municipal sewage, while efficient municipal sewage, stable denitrogenation dephosphorizing is ensured, recovery and the recycling of phosphor in sewage resource is realized.
Description
Technical field：
The invention belongs to technical field of biological sewage treatment, it is related to a kind of while realizing what municipal sewage treatment and phosphorus were reclaimed
Apparatus and method, particularly effluent dephosphorization sewage autotrophic denitrification dephosphorization process Treating Municipal Sewage and realize phosphorus reclaim device and
Method.
Background technology：
In recent years, China's body eutrophication phenomenon is still more serious, and wherein nitrogen phosphorus is one of main pollution factor.Root
According to China Environmental State Bulletin in 2014：In 61 lakes (reservoir) for carrying out nutritional status monitoring, dystrophic 10, middle battalion
Foster 36, slight eutrophic 13, eutrophic 2 of moderate；To national 423 trunk rivers, 62 emphasis lake (water
Storehouse) 968 states control surface water monitoring section (point position) carried out water quality monitoring, find I, II, III, IV, V, bad V classes water quality
Section accounts for 3.4%, 30.4%, 29.3%, 20.9%, 6.8%, 9.2% respectively, and main contamination index be COD,
Total phosphorus and five-day BOD；In national immediate offshore area state control monitoring point, I class seawater accounts for 28.6%, rises 4.0 on year-on-year basis
Percentage point；II classes account for 38.2%, fall 3.6 percentage points on a year-on-year basis；Group III accounts for 7.0%, falls 1.0 percentage points on a year-on-year basis；
IV classes account for 7.6%, rise 0.6 percentage point on year-on-year basis；Bad IV classes account for 18.6%, maintain an equal level on year-on-year basis.Main contamination index is inorganic nitrogen
And reactive phosphate.Therefore, increasingly stricter, the sewage of national newest promulgation that China also requires that for the discharge standard of nitrogen phosphorus
Required in discharge standard (GB18918-2002), the content of all last water outlet nitrogen phosphorus of pollutant discharging unit reaches one-level emission standard A,
Require that water outlet total phosphorus is less than 1mg/L, ammonia nitrogen is less than 5mg/L, and total nitrogen is less than 15mg/L.
However, the phosphorus in nature is that a class is non-renewable, is difficult to the resource that replaces.Therefore, realized while dephosphorization dirty
The recycling of phosphorus is reclaimed with using having boundless prospect, returning for phosphor in sewage is realized by effluent dephosphorization process in water
Receive and recycling is particularly significant.Therefore, autotrophic denitrification dephosphorization work is coupled in the urgent need to designing a kind of new effluent dephosphorization
Skill, by the way of autotrophic denitrification dephosphorization SBBR reactors series connection effluent dephosphorization SBR reactors, is realizing municipal sewage denitrogenation
While dephosphorization, the recovery of high concentration phosphorus hydrochlorate is realized.In autotrophic denitrification dephosphorization SBBR reactors：On the one hand, using short distance
Nitrifying anaerobic ammonia oxidation technology can realize the removal of nitrogen in sewage, and without organic carbon source；On the other hand, using enhanced biological
Dephosphorization technique can realize that the organic carbon source in the removal of phosphor in sewage, sewage is only used for dephosphorization, solve municipal sewage in denitrogenation
The problem of carbon source is not enough during dephosphorization；In effluent dephosphorization sbr reactor device, phosphorus is released but without aerobic or anoxic by reinforced anaerobic
Inhale under conditions of phosphorus environment, the recycling of high concentration phosphorus hydrochlorate can be achieved.
The content of the invention：
It is an object of the invention to overcome the shortcoming that prior art is present, seek design and provide a kind of effluent dephosphorization sewage certainly
Support denitrification dephosphorization technique Treating Municipal Sewage and realize the apparatus and method that phosphorus is reclaimed, the city under the conditions of realizing without additional carbon
While wastewater efficient, energy-conservation, stable denitrogenation dephosphorizing, recovery and the recycling of phosphor in sewage resource are realized.
To achieve these goals, it is of the present invention while realizing the apparatus main body structure that municipal sewage treatment and phosphorus are reclaimed
Including municipal sewage raw water water tank, autotrophic denitrification dephosphorization SBBR reactors, intermediate water tank, go out water tank, on-line monitoring and feed back
Control system, secondary release phosphorus sbr reactor device and phosphorus return water tank；The left upper portion and lower right side of municipal sewage raw water water tank point
Not She You the first overflow pipe and blow-down pipe, municipal sewage raw water water tank passes through the first intake pump and autotrophic denitrification dephosphorization SBBR and reacts
Device is connected；The first agitating paddle is provided with autotrophic denitrification dephosphorization SBBR reactors, the first agitating paddle stretches out autotrophy denitrogenation dephosphorizing
SBBR reactors are simultaneously connected with the first agitator, and the bottoms of autotrophic denitrification dephosphorization SBBR reactors is provided with aeration head, aeration head with
Gas flowmeter connection on the outside of autotrophic denitrification dephosphorization SBBR reactors, gas flowmeter passes through magnetic valve and air pump phase
Even；The pH sensors and DO sensors being connected with pH/DO analyzers, autotrophy are installed in autotrophic denitrification dephosphorization SBBR reactors
Denitrogenation dephosphorizing SBBR reactors lower right side is sequentially provided with mud valve, thief hatch and the first electric draining valve, autotrophy from top to bottom
Denitrogenation dephosphorizing SBBR reactors are connected by mud valve with intermediate water tank, are connected by the first electric draining valve with going out water tank
Connect, the right upper portion for going out water tank is connected with the second overflow pipe；Intermediate water tank releases phosphorus sbr reactor by the second intake pump with secondary
It is connected at the top of device, secondary release is provided with the second agitating paddle in phosphorus sbr reactor device, the stretching of the second agitating paddle is secondary to release phosphorus SBR
Reactor is simultaneously connected with the second agitator；The secondary bottom for releasing phosphorus sbr reactor device passes through the second electric draining valve and phosphorus recycle-water
Case is connected, and the right side of phosphorus return water tank is provided with the 3rd overflow pipe；Secondary phosphorus sbr reactor device of releasing passes through sludge reflux pump and autotrophy
Denitrogenation dephosphorizing SBBR reactors are connected；On-line monitoring and feedback control system 5 include computer and programmable process controller,
Built-in signal converter DA translation interfaces and signal adapter AD conversion interface on the right side of programmable process controller, may be programmed process
It is equipped with aeration relay, agitator relay and pH/DO data signal interfaces on the left of controller successively from top to bottom；Wherein, believe
Number converter AD conversion interface is connected by cable with computer, and sensor analog signals are converted into data signal transmission
To computer；Computer is connected by signal adapter DA translation interfaces with programmable process controller, by the number of computer
Word instruction passes to programmable process controller；Aeration relay is connected with magnetic valve；Agitator relay and the first stirring
Device is connected；PH/DO data signal interfaces are connected with pH/DO analyzers.
The present invention carry out sewage disposal process be：Municipal sewage is taken out by the first intake pump by municipal sewage raw water water tank
Enter autotrophic denitrification dephosphorization SBBR reactors；In autotrophic denitrification dephosphorization SBBR reactors, polyP bacteria (PAOs) utilizes municipal sewage
In organic carbon source carry out anaerobic phosphorus release, and simultaneously storage internal carbon source PHA in internal；It is then turned on air pump and regulates and controls gas flow
Meter, autotrophic denitrification dephosphorization SBBR reactors enter low-oxygen aeration agitation phases, and ammonia oxidation bacteria (AOB) utilizes the ammonia in municipal sewage
Nitrogen carries out short distance nitration effect, and is translated into nitrite nitrogen, meanwhile, anaerobic ammonia oxidizing bacteria (ANAMMOX) is dirty using city
The nitrite nitrogen that ammonia nitrogen and short distance nitration effect in water are produced carries out Anammox effect, and is translated into nitrogen and few
The nitrate nitrogen of amount, to realize the autotrophic denitrification of municipal sewage, PAOs then carries out aerobic phosphorus absorption using the carbon source PHA stored in vivo
With anoxic denitrification dephosphorization, to realize the removal of the phosphorus in municipal sewage；Autotrophic denitrification dephosphorization SBBR reactor low-oxygen aerations are stirred
Spoil disposal is carried out after mixing end, and spoil disposal is discharged into after intermediate water tank to be pumped into through the second water inlet by mud valve secondary releases phosphorus sbr reactor
Device；Autotrophic denitrification dephosphorization SBBR reactor spoil disposals carry out sedimentation and drawing after terminating, and water outlet is discharged into out by the first electric draining valve
Water tank；Progress anaerobism stirring in phosphorus sbr reactor device is released secondary, PAOs releases phosphorus using the PHA progress stored in vivo is secondary, with
Reclaim the phosphate of high concentration；After anaerobism stirring terminates, sedimentation and drawing is carried out, water outlet is discharged into phosphorus through the second electric draining valve and reclaimed
Water tank, excess sludge is then back to autotrophic denitrification dephosphorization SBBR reactors through sludge reflux pump.
Treating Municipal Sewage of the present invention simultaneously realizes comprising the following steps that for phosphorus recovery：
(1) by the excess sludge of the existing enhanced biological phosphorus removal system with good phosphorus removal property and with good denitrogenation
The short distance nitration sludge of energy is added to autotrophic denitrification dephosphorization SBBR reactors respectively, is made in autotrophic denitrification dephosphorization SBBR reactors
Suspended active sludge concentration reaches 1500~2500mg/L；Anammox sponge with Anammox nitrogen removal performance is filled out
Material is added to autotrophic denitrification dephosphorization SBBR reactors, makes Anammox sponge filler in autotrophic denitrification dephosphorization SBBR reactors
Volume account for the 1/2~3/4 of autotrophic denitrification dephosphorization SBBR reactor dischargeable capacitys；
(2) municipal sewage is added into municipal sewage raw water water tank, starts the first intake pump and take off municipal sewage suction autotrophy
In nitrogen dephosphorization SBBR reactors, first anaerobism stirs 60~240min, then low-oxygen aeration stirs 15~300min, works as NH4 +- N concentration
＜ 1.0mg/L and PO4 3-Carry out spoil disposal during-P concentration ＜ 0.5mg/L, spoil disposal be first discharged into intermediate water tank through mud valve after again through second
Water inlet, which is pumped into, secondary releases phosphorus sbr reactor device；Low-oxygen aeration stirring herein refers to that DO concentration is ＜ 1.0mg/L；Autotrophic denitrification
Dephosphorization SBBR reactor spoil disposals terminate rear sedimentation and drawing, and draining ratio is 0.2~0.7, and water outlet is discharged into out water tank；
(3) autotrophic denitrification dephosphorization SBBR reactors spoil disposal second water inlet be pumped into it is secondary release after phosphorus sbr reactor device, carry out
Anaerobism stirs 60~240min, realizes the secondary release of phosphorus, to reach the purpose for reclaiming high concentration phosphorus hydrochlorate；Anaerobism stirring terminates
Sedimentation and drawing afterwards, draining ratio is 0.2~0.7, and water outlet is discharged into phosphorus return water tank, and partial sludge is then pumped into autotrophy through sludge reflux
Denitrogenation dephosphorizing SBBR reactors, complete the processing of municipal sewage and the recovery of phosphorus.
Spoil disposal is needed during autotrophic denitrification dephosphorization SBBR reactors operation of the present invention, autotrophic denitrification dephosphorization SBBR is reacted
Suspended active sludge concentration is maintained in the range of 1500~2500mg/L in device.
It is of the present invention it is secondary release phosphorus sbr reactor device operation when, do not add activated sludge, its activated sludge derive from autotrophy
The spoil disposal of denitrogenation dephosphorizing SBBR reactor low-oxygen aeration agitation phases, and by regulate and control the run time of sludge reflux pump make it is secondary
Release activated sludge concentration in phosphorus sbr reactor device and maintain 2000~3000mg/L；Activated sludge in phosphorus sbr reactor device is released when secondary
During concentration ＞ 3000mg/L, increase the run time of sludge reflux pump；Activated sludge concentration ＜ in phosphorus sbr reactor device is released when secondary
During 2000mg/L, the run time of sludge reflux pump is reduced.
The present invention compared with prior art, combines the new life such as short distance nitration, Anammox and enhanced biological phosphorus removal
The advantage of thing denitrification dephosphorization technique, while municipal sewage autotrophic denitrification is realized, remove sewage in phosphorus, the invention herein in connection with
The advantage of effluent dephosphorization process, while municipal sewage denitrogenation dephosphorizing is ensured, is released in effluent technique by reinforced anaerobic
Phosphorus realizes the recovery of phosphor in sewage resource, specifically with advantages below：One is, by whole process autotrophic denitrification technology, short distance nitration to be detested
Anaerobic ammonium oxidation technology is applied in the denitrification process of municipal sewage, without organic carbon source, solves municipal sewage denitrogenation dephosphorizing mistake
The problem of carbon source is not enough in journey；Two are applied to enhanced biological phosphorus removal technology during the dephosphorization of municipal sewage, municipal sewage
In organic carbon source be mainly used in PAOs internal carbon source storage, the secondary release for phosphorus in follow-up effluent dephosphorizing reactor provides
May；Three be the denitrogenation dephosphorizing and phosphor resource that effluent dephosphorization process and autotrophic denitrification dephosphorization process are united and applied in municipal sewage
Recovery, ensure municipal sewage efficiently, stable denitrogenation dephosphorizing while, realize recovery and the recycling of phosphor in sewage resource.
Brief description of the drawings：
Fig. 1 is to be of the present invention while realizing the apparatus main body principle schematic diagram that municipal sewage and phosphorus are reclaimed.
Embodiment：
The present invention is described further with reference to the accompanying drawings and examples.
Embodiment 1：
Realize that the apparatus main body structure that municipal sewage treatment and phosphorus are reclaimed includes municipal sewage original described in the present embodiment simultaneously
Water tank 1, autotrophic denitrification dephosphorization SBBR reactors 2, intermediate water tank 3, go out water tank 4, on-line monitoring and feedback control system 5,
It is secondary to release phosphorus sbr reactor device 6 and phosphorus return water tank 7；The left upper portion and lower right side of municipal sewage raw water water tank 1 are respectively equipped with
First overflow pipe 1.1 and blow-down pipe 1.2, municipal sewage raw water water tank 1 pass through the first intake pump 2.1 and autotrophic denitrification dephosphorization SBBR
Reactor 2 is connected；The first agitating paddle 2.4 is provided with autotrophic denitrification dephosphorization SBBR reactors 2, the first agitating paddle 2.4 stretches out
Autotrophic denitrification dephosphorization SBBR reactors 2 are simultaneously connected with the first agitator 2.3, and the bottom of autotrophic denitrification dephosphorization SBBR reactors 2 is set
There is aeration head 2.8, aeration head 2.8 is connected with the gas flowmeter 2.7 installed in the outside of autotrophic denitrification dephosphorization SBBR reactors 2,
Gas flowmeter 2.7 is connected by magnetic valve 2.6 with air pump 2.5；Be provided with autotrophic denitrification dephosphorization SBBR reactors 2 with
PH sensors 2.13 and DO sensors 2.14 that pH/DO analyzers 2.12 are connected, the right side of autotrophic denitrification dephosphorization SBBR reactors 2
Bottom is sequentially provided with mud valve 2.9, the electric draining valve 2.11 of thief hatch 2.10 and first, autotrophic denitrification dephosphorization SBBR from top to bottom
Reactor 2 is connected by mud valve 2.9 with intermediate water tank 3, is connected by the first electric draining valve 2.11 with going out water tank 4
Connect, the right upper portion for going out water tank 4 is connected with the second overflow pipe 4.1；Intermediate water tank 3 is released by the second intake pump 6.1 with secondary
The top of phosphorus sbr reactor device 6 is connected, and secondary release is provided with the second agitating paddle 6.3 in phosphorus sbr reactor device 6, the second agitating paddle is stretched
Go out secondary to release phosphorus sbr reactor device 6 and with the second agitator 6.2 be connected；The secondary bottom for releasing phosphorus sbr reactor device 6 passes through the second electricity
Dynamic draining valve 6.4 is connected with phosphorus return water tank 7, and the right side of phosphorus return water tank 7 is provided with the 3rd overflow pipe 7.1；It is secondary to release phosphorus SBR
Reactor 6 is connected by sludge reflux pump 2.2 with autotrophic denitrification dephosphorization SBBR reactors 2；On-line monitoring and feedback control system
System 5 includes computer 5.1 and programmable process controller 5.2, may be programmed the right side built-in signal converter of process controller 5.2
Put successively from top to bottom in DA translation interfaces 5.3 and signal adapter AD conversion interface 5.4, the programmable left side of process controller 5.2
There are aeration relay 5.5, agitator relay 5.6 and pH/DO data signal interfaces 5.7；Wherein, signal adapter AD conversion connects
Mouth 5.4 is connected by cable with computer 5.1, and sensor analog signals are converted into data signal passes to computer
5.1；Computer 5.1 is connected by signal adapter DA translation interfaces 5.3 with programmable process controller 5.2, by computer
5.1 digital command passes to programmable process controller 5.2；Aeration relay 5.5 is connected with magnetic valve 2.6；Agitator
Relay 5.6 is connected with the first agitator 2.3；PH/DO data signal interfaces 5.7 are connected with pH/DO analyzers 2.12.
The present embodiment carry out sewage disposal process be：Municipal sewage is by the first intake pump 2.1 by municipal sewage raw water
Water tank 1 is pumped into autotrophic denitrification dephosphorization SBBR reactors 2；In autotrophic denitrification dephosphorization SBBR reactors 2, polyP bacteria (PAOs) profit
Anaerobic phosphorus release is carried out with the organic carbon source in municipal sewage, and stores internal carbon source PHA simultaneously in internal；It is then turned on air pump 2.5
And regulating and controlling gas flowmeter 2.7, autotrophic denitrification dephosphorization SBBR reactors 2 enter low-oxygen aeration agitation phases, ammonia oxidation bacteria
(AOB) short distance nitration effect is carried out using the ammonia nitrogen in municipal sewage, and is translated into nitrite nitrogen, meanwhile, anaerobism ammonia oxygen
Change bacterium (ANAMMOX) and the nitrite nitrogen progress Anammox produced is acted on using the ammonia nitrogen in municipal sewage and short distance nitration
Effect, and it is translated into nitrogen and a small amount of nitrate nitrogen, to realize the autotrophic denitrification of municipal sewage, PAOs then utilizes storage in vivo
The carbon source PHA deposited carries out aerobic phosphorus absorption and anoxic denitrification dephosphorization, to realize the removal of the phosphorus in municipal sewage；Autotrophic denitrification is removed
The stirring of the low-oxygen aeration of phosphorus SBBR reactors 2 carries out spoil disposal after terminating, and spoil disposal is discharged into after intermediate water tank 3 through the by mud valve 2.9
Two intake pumps 6.1, which are pumped into, secondary releases phosphorus sbr reactor device 6；The spoil disposal of autotrophic denitrification dephosphorization SBBR reactors 2 carries out precipitation row after terminating
Water, water outlet is discharged into out water tank 4 by the first electric draining valve 2.11；Stirred in the secondary interior anaerobism that carries out of phosphorus sbr reactor device 6 of releasing
Mix, PAOs releases phosphorus using the PHA progress stored in vivo is secondary, to reclaim the phosphate of high concentration；After anaerobism stirring terminates, carry out
Sedimentation and drawing, water outlet is discharged into phosphorus return water tank 7 through the second electric draining valve 6.4, and excess sludge then flows back through sludge reflux pump 2.2
To autotrophic denitrification dephosphorization SBBR reactors 2.
The present embodiment Treating Municipal Sewage simultaneously realizes comprising the following steps that for phosphorus recovery：
(1) by the excess sludge of the existing enhanced biological phosphorus removal system with good phosphorus removal property and with good denitrogenation
The short distance nitration sludge of energy is added to autotrophic denitrification dephosphorization SBBR reactors 2 respectively, makes autotrophic denitrification dephosphorization SBBR reactors 2
Interior suspended active sludge concentration reaches 1500~2500mg/L；By the Anammox sponge with Anammox nitrogen removal performance
Filler is added to autotrophic denitrification dephosphorization SBBR reactors 2, makes Anammox sponge in autotrophic denitrification dephosphorization SBBR reactors 2
The volume of filler accounts for the 1/2~3/4 of the dischargeable capacity of autotrophic denitrification dephosphorization SBBR reactors 2；
(2) municipal sewage is added into municipal sewage raw water water tank 1, starts the first intake pump 2.1 and be pumped into municipal sewage certainly
Support in denitrogenation dephosphorizing SBBR reactors 2, first anaerobism stirs 60 240min, then low-oxygen aeration stirs 15~300min, works as NH4 +-N
Concentration ＜ 1.0mg/L and PO4 3-Spoil disposal is carried out during-P concentration ＜ 0.5mg/L, after spoil disposal is first discharged into intermediate water tank 3 through mud valve 2.9
It is pumped into again through the second intake pump 6.1 and secondary releases phosphorus sbr reactor device 6；Low-oxygen aeration stirring herein refers to that DO concentration is ＜
1.0mg/L；The spoil disposal of autotrophic denitrification dephosphorization SBBR reactors 2 terminates rear sedimentation and drawing, and draining ratio is 0.2~0.7, and water outlet is discharged into
Go out water tank 4；
(2) the second intake pump of spoil disposal 6.1 of autotrophic denitrification dephosphorization SBBR reactors 2, which is pumped into, secondary releases phosphorus SBR reactors 6
Afterwards, carry out anaerobism and stir 60~240min, realize the secondary release of phosphorus, to reach the purpose for reclaiming high concentration phosphorus hydrochlorate；Anaerobism
Stirring terminates rear sedimentation and drawing, and draining ratio is 0.2~0.7, and water outlet is discharged into phosphorus return water tank 7, and partial sludge is then through sludge reflux
Pump 2.2 is pumped into autotrophic denitrification dephosphorization SBBR reactors 2, completes the processing of municipal sewage and the recovery of phosphorus.
Autotrophic denitrification dephosphorization SBBR reactors 2 described in the present embodiment need spoil disposal when running, and make autotrophic denitrification dephosphorization SBBR anti-
Suspended active sludge concentration in device 2 is answered to maintain in the range of 1500~2500mg/L.
Described in the present embodiment it is secondary release phosphorus sbr reactor device 6 run when, do not add activated sludge, its activated sludge is derived from
The spoil disposal of the low-oxygen aeration agitation phases of autotrophic denitrification dephosphorization SBBR reactors 2, and during operation by regulating and controlling sludge reflux pump 2.2
Between make secondary to release activated sludge concentration in phosphorus sbr reactor device 6 and maintain 2000~3000mg/L；Phosphorus sbr reactor device is released when secondary
In 6 during activated sludge concentration ＞ 3000mg/L, increase the run time of sludge reflux pump 2.2；Phosphorus sbr reactor device 6 is released when secondary
During interior activated sludge concentration ＜ 2000mg/L, the run time of sludge reflux pump 2.2 is reduced.
Embodiment 2：
Municipal sewage described in the present embodiment is derived from certain university's dependents' district sanitary sewage, and specific water quality is as follows：COD concentration is
150~270mg/L, NH4 +- N concentration is 45~65mg/L, NO2 -- N concentration<0.5mg/L, NO3 -- N concentration<1mg/L, P concentration
For 3~7mg/L, the device used is as shown in figure 1, each reactor is lucite material, and wherein autotrophic denitrification dephosphorization SBBR is anti-
It is 10L to answer the dischargeable capacity of device 2, and the secondary dischargeable capacity of phosphorus sbr reactor device 6 of releasing is 5L, and detailed process is as follows：
(1) by the excess sludge of the existing enhanced biological phosphorus removal system with good phosphorus removal property and with good denitrogenation
The short distance nitration sludge of energy is added to autotrophic denitrification dephosphorization SBBR reactors 2 respectively, makes autotrophic denitrification dephosphorization SBBR reactors 2
Interior suspended active sludge concentration reaches 2000mg/L；Anammox sponge filler with Anammox nitrogen removal performance is thrown
Add in autotrophic denitrification dephosphorization SBBR reactors 2, make Anammox sponge filler in autotrophic denitrification dephosphorization SBBR reactors 2
Volume accounts for the 1/3 of the dischargeable capacity of autotrophic denitrification dephosphorization SBBR reactors 2；Secondary release when phosphorus sbr reactor device 6 starts does not add
Activated sludge；
(2) municipal sewage is added into municipal sewage raw water water tank 1, starts the first intake pump 2.1 and be pumped into 4L municipal sewages
In autotrophic denitrification dephosphorization SBBR reactors 2, first anaerobism stirs 180min, then low-oxygen aeration stirring 240min, and control DO concentration exists
0.3mg/L, and work as NH4 +- N concentration ＜ 1.0mg/L and PO4 3-Spoil disposal is carried out during-P concentration ＜ 0.5mg/L, 2L spoil disposals are first through spoil disposal
Valve 2.9, which is discharged into after intermediate water tank 3 to be pumped into through the second intake pump 6.1, secondary releases phosphorus sbr reactor device 6；Autotrophic denitrification dephosphorization SBBR is anti-
The spoil disposal of device 2 is answered to terminate rear sedimentation and drawing, draining ratio is 0.35, and water outlet is discharged into out water tank 4；
(3) the 2L spoil disposals of autotrophic denitrification dephosphorization SBBR reactors 2 are pumped into through the second intake pump 6.1 and secondary release phosphorus sbr reactor
After device 6, anaerobism stirring 150min is carried out, the secondary release of phosphorus is realized, to reach the purpose for reclaiming high concentration phosphorus hydrochlorate；Anaerobism is stirred
Sedimentation and drawing after end is mixed, draining ratio is 0.4, and water outlet is discharged into phosphorus return water tank 7, and partial sludge is then taken out through sludge reflux pump 2.2
Enter autotrophic denitrification dephosphorization SBBR reactors 2, complete the processing of sewage and the recovery of phosphorus.
Autotrophic denitrification dephosphorization SBBR reactors 2 described in the present embodiment need spoil disposal when running, and make autotrophic denitrification dephosphorization SBBR anti-
Suspended active sludge concentration in device 2 is answered to maintain 2000mg/L or so.
Described in the present embodiment it is secondary release phosphorus sbr reactor device 6 run when, activated sludge from autotrophic denitrification dephosphorization SBBR it is anti-
Answer the spoil disposal of the low-oxygen aeration agitation phases of device 2, and make that secondary to release phosphorus SBR anti-by regulating and controlling the run time of sludge reflux pump 2.2
Activated sludge concentration in device 6 is answered to maintain 2500mg/L or so；Suspended active sludge concentration in phosphorus sbr reactor device 6 is released when secondary
During ＞ 3000mg/L, increase the run time of sludge reflux pump 2.2；Activated sludge concentration ＜ in phosphorus sbr reactor device 6 is released when secondary
During 2000mg/L, the run time of sludge reflux pump 2.2 is reduced.
The result of the test of the present embodiment shows：After stable, the effluent COD concentration of autotrophic denitrification dephosphorization SBBR reactors 2
For 39~49mg/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, water outlet is up to one-level emission standard A；It is secondary to release the water outlet PO of phosphorus sbr reactor device 64 3-- P concentration is 9
~18mg/L.
Claims (4)
1. it is a kind of while realizing the device that municipal sewage treatment and phosphorus are reclaimed, it is characterised in that it is former that agent structure includes municipal sewage
Water tank, autotrophic denitrification dephosphorization SBBR reactors, intermediate water tank, go out water tank, on-line monitoring and feedback control system, secondary release
Phosphorus sbr reactor device and phosphorus return water tank；The left upper portion and lower right side of municipal sewage raw water water tank are respectively equipped with the first overflow
Pipe and blow-down pipe, municipal sewage raw water water tank are connected by the first intake pump with autotrophic denitrification dephosphorization SBBR reactors；Autotrophy
Be provided with the first agitating paddle in denitrogenation dephosphorizing SBBR reactors, the first agitating paddle stretch out autotrophy denitrogenation dephosphorizing SBBR reactors and with
First agitator is connected, and the bottom of autotrophic denitrification dephosphorization SBBR reactors is provided with aeration head, and aeration head is with being arranged on autotrophic denitrification
Gas flowmeter connection on the outside of dephosphorization SBBR reactors, gas flowmeter is connected by magnetic valve with air pump；Autotrophic denitrification is removed
The pH sensors and DO sensors being connected with pH/DO analyzers, autotrophic denitrification dephosphorization SBBR are installed in phosphorus SBBR reactors
Reactor lower right side is sequentially provided with mud valve, thief hatch and the first electric draining valve, autotrophic denitrification dephosphorization SBBR from top to bottom
Reactor is connected by mud valve with intermediate water tank, is connected by the first electric draining valve with going out water tank, goes out water tank
Right upper portion be connected with the second overflow pipe；Intermediate water tank passes through the second intake pump and the secondary top phase for releasing phosphorus sbr reactor device
Connection, secondary release be provided with the second agitating paddle in phosphorus sbr reactor device, the second agitating paddle stretch out it is secondary release phosphorus sbr reactor device and with
Second agitator is connected；The secondary bottom for releasing phosphorus sbr reactor device is connected by the second electric draining valve with phosphorus return water tank, phosphorus
The right side of return water tank is provided with the 3rd overflow pipe；Secondary phosphorus sbr reactor device of releasing passes through sludge reflux pump and autotrophic denitrification dephosphorization
SBBR reactors are connected；On-line monitoring and feedback control system include computer and programmable process controller, may be programmed
Built-in signal converter DA translation interfaces and signal adapter AD conversion interface on the right side of range controller, may be programmed process controller left
Side is equipped with aeration relay, agitator relay and pH/DO data signal interfaces successively from top to bottom；Wherein, signal adapter
AD conversion interface is connected by cable with computer, and sensor analog signals are converted into data signal passes to calculating
Machine；Computer is connected by signal adapter DA translation interfaces with programmable process controller, by the digital command of computer
Pass to programmable process controller；Aeration relay is connected with magnetic valve；Agitator relay is connected with the first agitator
Connect；PH/DO data signal interfaces are connected with pH/DO analyzers.
2. a kind of method for being realized that municipal sewage treatment and phosphorus are reclaimed simultaneously using device as claimed in claim 1, its feature is existed
In comprising the following steps that：
(1) by the excess sludge of the existing enhanced biological phosphorus removal system with good phosphorus removal property and with good nitrogen removal performance
Short distance nitration sludge is added to autotrophic denitrification dephosphorization SBBR reactors respectively, makes suspension in autotrophic denitrification dephosphorization SBBR reactors
Activated sludge concentration reaches 1500~2500mg/L；Anammox sponge filler with Anammox nitrogen removal performance is thrown
Add in autotrophic denitrification dephosphorization SBBR reactors, make the body of Anammox sponge filler in autotrophic denitrification dephosphorization SBBR reactors
Product accounts for the 1/2~3/4 of autotrophic denitrification dephosphorization SBBR reactor dischargeable capacitys；
(2) municipal sewage is added into municipal sewage raw water water tank, starts the first intake pump and remove municipal sewage suction autotrophic denitrification
In phosphorus SBBR reactors, first anaerobism stirs 60~240min, then low-oxygen aeration stirs 15~300min, works as NH4 +- N concentration ＜
1.0mg/L and PO4 3-Spoil disposal is carried out during-P concentration ＜ 0.5mg/L, spoil disposal enters through second again after being first discharged into intermediate water tank through mud valve
Water pump suction is secondary to release phosphorus sbr reactor device；Low-oxygen aeration stirring herein refers to that DO concentration is ＜ 1.0mg/L；Autotrophic denitrification is removed
Phosphorus SBBR reactor spoil disposals terminate rear sedimentation and drawing, and draining ratio is 0.2~0.7, and water outlet is discharged into out water tank；
(3) autotrophic denitrification dephosphorization SBBR reactors spoil disposal second water inlet be pumped into it is secondary release after phosphorus sbr reactor device, carry out anaerobism
60~240min is stirred, the secondary release of phosphorus is realized, to reach the purpose for reclaiming high concentration phosphorus hydrochlorate；Anaerobism stirring is sunk after terminating
Shallow lake draining, draining ratio is 0.2~0.7, and water outlet is discharged into phosphorus return water tank, and partial sludge is then pumped into autotrophic denitrification through sludge reflux
Dephosphorization SBBR reactors, complete the processing of municipal sewage and the recovery of phosphorus.
3. realize the method that municipal sewage treatment and phosphorus are reclaimed simultaneously according to claim 2, it is characterised in that the autotrophy
Denitrogenation dephosphorizing SBBR reactors need spoil disposal when running, and maintain suspended active sludge concentration in autotrophic denitrification dephosphorization SBBR reactors
In the range of 1500~2500mg/L.
4. realize the method that municipal sewage treatment and phosphorus are reclaimed simultaneously according to claim 2, it is characterised in that described secondary
When releasing the operation of phosphorus sbr reactor device, activated sludge is not added, its activated sludge derives from autotrophic denitrification dephosphorization SBBR reactor hypoxemia
The spoil disposal in aeration agitation stage, and make that secondary to release in phosphorus sbr reactor device activity dirty by regulating and controlling the run time of sludge reflux pump
Mud concentration maintains 2000~3000mg/L；When it is secondary release activated sludge concentration ＞ 3000mg/L in phosphorus sbr reactor device when, increase
The run time of sludge reflux pump；When it is secondary release activated sludge concentration ＜ 2000mg/L in phosphorus sbr reactor device when, reduce sludge return
Flow the run time of pump.
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