CN110304794A - A kind of denitrogenation of waste water dephosphorization system - Google Patents
A kind of denitrogenation of waste water dephosphorization system Download PDFInfo
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- CN110304794A CN110304794A CN201910628204.2A CN201910628204A CN110304794A CN 110304794 A CN110304794 A CN 110304794A CN 201910628204 A CN201910628204 A CN 201910628204A CN 110304794 A CN110304794 A CN 110304794A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 96
- 239000010802 sludge Substances 0.000 claims abstract description 129
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 238000004062 sedimentation Methods 0.000 claims abstract description 58
- 238000005842 biochemical reaction Methods 0.000 claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000002955 isolation Methods 0.000 claims abstract description 14
- 238000010992 reflux Methods 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000009287 sand filtration Methods 0.000 claims description 7
- 230000003750 conditioning effect Effects 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 30
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 20
- 229910052698 phosphorus Inorganic materials 0.000 description 20
- 239000011574 phosphorus Substances 0.000 description 20
- 239000010865 sewage Substances 0.000 description 17
- 229910052757 nitrogen Inorganic materials 0.000 description 15
- 239000005416 organic matter Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 229920002401 polyacrylamide Polymers 0.000 description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 239000010786 composite waste Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 125000001477 organic nitrogen group Chemical group 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 3
- 230000000593 degrading effect Effects 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- DJFBJKSMACBYBD-UHFFFAOYSA-N phosphane;hydrate Chemical compound O.P DJFBJKSMACBYBD-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- 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
-
- 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
-
- 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
-
- 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
- C02F3/02—Aerobic processes
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention provides a kind of denitrogenation of waste water dephosphorization systems, including processing pond ontology, the processing pond ontology is surrounded by several steel plates, the processing pond ontology is separated to form by isolation steel plate and is sequentially connected logical primary sedimentation tank, anaerobic pond, anaerobic sludge backflow pool, anoxic pond, anoxic sludge backflow pool, aerobic tank, aerobic sludge backflow pool, biochemical reaction tank, biochemical sedimentation basin and discharge bay, the primary sedimentation tank is equipped with the intake tunnel being passed through for waste water, and the discharge bay is equipped with the exhalant canal being discharged for waste water.Using the denitrogenation of waste water dephosphorization system of technical solution of the present invention, which can guarantee that water treatment effect is good, and its construction period is short, and cost of investment is low to make it easy to promote.
Description
Technical field
The present invention relates to technical field of waste water processing, and in particular to a kind of denitrogenation of waste water dephosphorization system.
Background technique
There is the water eutrophication of large area in China in recent years, and as national environmental protection law enforcement is increasingly strict, enterprise is opened
Starting weight regards the improvement of plant area's sanitary sewage, and sewage water dephosphorization denitrification becomes research hotspot, and activated sludge process is a kind of wastewater biological
Processing technique is the main method of the biological wastewater treatment based on activated sludge, it can remove deliquescent from sewage
With the biochemical organic matter of colloidal state and can be by the suspended solid of activated sludge absorption and some other substance, while also can
Remove a part of phosphorus element and nitrogen.
In order to handle sanitary sewage, the small manufacturing enterprise without being monitored by blowdown of sanitary sewage discharge amount, in environmental protection pressure
Under be required to construction sanitary sewage disposal station.Traditional life Sewage Disposal is reinforced concrete structure, but since cost is high,
Long construction period hinders its popularization.
Summary of the invention
The object of the present invention is to provide a kind of denitrogenation of waste water dephosphorization system, which can guarantee
Water treatment effect is good, and its construction period is short, and cost of investment is low to make it easy to promote.
Based on this, the present invention provides a kind of denitrogenation of waste water dephosphorization system, including processing pond ontology, the processing pond ontology
It is surrounded by several steel plates, the processing pond ontology is separated to form by isolation steel plate and is sequentially connected logical primary sedimentation tank, anaerobic pond, detested
Oxygen sludge reflux pond, anoxic pond, anoxic sludge backflow pool, aerobic tank, aerobic sludge backflow pool, biochemical reaction tank, biochemical precipitating
Pond and discharge bay, the primary sedimentation tank are equipped with the intake tunnel being passed through for waste water, and the discharge bay is equipped with the water outlet being discharged for waste water
Channel.
Preferably, the primary sedimentation tank, anaerobic pond, the anaerobic sludge backflow pool, the anoxic pond, the anoxic
Sludge reflux pond, the aerobic tank, the aerobic sludge backflow pool and biochemical reaction tank part pool wall along the processing pond
The periphery setting of ontology, the biochemical sedimentation basin and the discharge bay are set to the middle part of the processing pond ontology.
Preferably, the first return flow line, institute are provided between the anaerobic pond and the anaerobic sludge backflow pool
It states the first return flow line and is provided with the first water pump, the water inlet of first water pump is connected with the anaerobic sludge backflow pool,
The water outlet of first water pump is connected with the anaerobic pond；
The second return flow line, second return flow line are provided between the anoxic pond and the anoxic sludge backflow pool
It is provided with the second water pump, the water inlet of second water pump is connected with the anoxic sludge backflow pool, second water pump
Water outlet is connected with the anoxic pond；
Third return flow line, the third return flow line are provided between the aerobic tank and the aerobic sludge backflow pool
It is provided with third water pump, the water inlet of the third water pump is connected with the aerobic sludge backflow pool, the third water pump
Water outlet is connected with the aerobic tank；
The 4th return flow line is provided between the anoxic pond and the aerobic tank, the 4th return flow line is provided with
The water inlet of four water pumps, the 4th water pump is connected with the aerobic tank, the water outlet of the 4th water pump and the anoxic
Pond is connected.
Preferably, the intake tunnel of the primary sedimentation tank is connected by the 5th water pump with conditioning tank located underground
It connects, the exhalant canal of the discharge bay is connected by the 6th water pump with sandfiltration pot.
Preferably, the intake tunnel of the primary sedimentation tank is connected by the first influent weir with primary sedimentation tank, and described
First influent weir is provided with baffle.
Preferably, the primary sedimentation tank, the anaerobic sludge backflow pool, the anoxic pond, the anoxic sludge return
Flow pond, the aerobic tank, the aerobic sludge backflow pool, the biochemical reaction tank, the biochemical sedimentation basin and the discharge bay
Bottom of pond be rectangle, the anaerobic pond by be isolated steel plate separate to be formed bottom of pond be rectangular one pond of anaerobism and anaerobism two
Pond.
Preferably, it is connected between one pond of anaerobism and two pond of the anaerobism by the first diversion pipe, it is described
One pond of anaerobism is connected with the primary sedimentation tank, and two pond of anaerobism is connected with the anaerobic sludge backflow pool.
Preferably, the biochemical reaction tank separates to form one pond of biochemical reaction and biochemical reaction by the way that steel plate is isolated
Two ponds, one pond of biochemical reaction and two pond of biochemical reaction are connected by the second diversion pipe, one pond of biochemical reaction
It is connected with the aerobic sludge backflow pool, two pond of biochemical reaction is connected with the biochemical sedimentation basin, described biochemical anti-
Ying Yichi has added PAC, and two pond of biochemical reaction has added PAM.
Preferably, the processing pond ontology is welded by several steel plates, and each isolation steel plate is welded in institute
Steel plate is stated, and the outer surface of the steel plate and the isolation steel plate is provided with erosion resistant coating.
Preferably, the pond of the pool wall of the primary sedimentation tank, the pool wall of the anaerobic pond, the anaerobic sludge backflow pool
Wall, the pool wall of the anoxic pond, the pool wall of the anoxic sludge backflow pool, the pool wall of the aerobic tank, the aerobic sludge return
Flow the pool wall successively phase of the pool wall in pond, the pool wall of the biochemical reaction tank, the pool wall of the biochemical sedimentation basin and the discharge bay
Border on.
The implementation of the embodiments of the present invention has the following beneficial effects:
Waste water enters to primary sedimentation tank removal bulky grain suspended matter by intake tunnel, and then waste water enters to degrade in anaerobic pond and give up
Organic matter in water improves the biodegradability of waste water, and anaerobic pond water outlet enters anaerobic sludge backflow pool, and anaerobic sludge backflow pool will
Part anaerobic sludge is back to anaerobic pond, and to guarantee biochemical sludge concentration, hereafter wastewater effluent enters anoxic pond, further degrades
Organic matter, while the nitrification nitrogen in sewage is reduced to nitrogen, realize that the denitrogenation of waste water, anoxic pond water outlet are returned into anoxic sludge
Pond is flowed, carries out sludge reflux in anoxic sludge backflow pool, then water outlet enters aerobic tank, residual organic substances is degraded to inorganic
Object, while a large amount of phosphorus absorbed in sewage of biology under aerobic state, are discharged by excess sludge, remove the phosphorus in waste water, together
When ammonia nitrogen, organic nitrogen etc. in water be oxidized to nitrate nitrogen, aerobic tank water outlet aerobic sludge backflow pool simultaneously carries out sludge reflux, hereafter
Water outlet enters biochemical reaction tank, and Dephosphorization reagent has been added in biochemical reaction tank, thus further to waste water dephosphorization, in waste water
Phosphorus generates sediment after reacting with Dephosphorization reagent, hereafter waste water enters to discharge bay, and waste water waits for further arranging by drainage channel
It puts.Above system makes waste water realize denitrogenation dephosphorizing, and Nitrogen/Phosphorus Removal is good, while above system is in anaerobic pond, anoxic
Sludge reflux pond is added after aerobic tank in pond, to maintain the respective ambient stable of biochemistry pool, be conducive to biochemical reaction smoothly into
Row；Further, since the system is arranged each pond is integrated in a processing pond, the system footprint of integrated setting is empty
Between it is small, and since processing pond ontology is surrounded using steel plate, separated between each pond using isolation steel plate, so that the system
Construction period it is short, cost of investment is low to making it easy to promote.
Detailed description of the invention
Fig. 1 is the plan view of denitrogenation of waste water dephosphorization system in the embodiment of the present invention.
Structural schematic diagram when Fig. 2 is denitrogenation of waste water dephosphorization system work in the embodiment of the present invention.
In figure: 100, processing pond ontology；1, primary sedimentation tank；2, anaerobic pond；2a, one pond of anaerobism；2b, two pond of anaerobism；3, anaerobism
Sludge reflux pond；4, anoxic pond；5, anoxic sludge backflow pool；6, aerobic tank；7, aerobic sludge backflow pool；8, biochemical reaction tank；
8a, one pond of biochemical reaction；8b, two pond of biochemical reaction；9, biochemical sedimentation basin；10, discharge bay；11, the first water pump；12, the second water
Pump；13, third water pump；14, the 4th water pump；15, the first influent weir；16, the first effluent weir；17, the first diversion pipe；18, second
Diversion pipe；19, the second effluent weir；20, the second influent weir；21, third effluent weir；22, third diversion pipe；23, third influent weir；
24, the 4th effluent weir；25, the 4th diversion pipe；26, the 4th influent weir；27, the 5th effluent weir；28, the 5th influent weir；29, it keeps off
Plate；30, the 5th water pump；31, the 6th water pump；32, conditioning tank；33, sandfiltration pot；34, the 5th diversion pipe.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be understood that various information are described in the present invention using term " first ", " second " etc., but these information
It should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from the present invention
In the case where range, " first " information can also be referred to as " second " information, and similar, " second " information can also be referred to as
" first " information.
As shown in Figure 1 to Figure 2, in figure arrow be oriented to waste water flow direction or reflux when mixed liquor flow direction, this
Embodiment provides a kind of denitrogenation of waste water dephosphorization system, including processing pond ontology 100, and the processing pond ontology 100 is by several steel plates
It surrounds, the processing pond ontology 100 is separated to form by isolation steel plate is sequentially connected logical primary sedimentation tank 1, anaerobic pond 2, anaerobism dirt
Mud backflow pool 3, anoxic pond 4, anoxic sludge backflow pool 5, aerobic tank 6, aerobic sludge backflow pool 7, biochemical reaction tank 8, biochemistry are heavy
Shallow lake pond 9 and discharge bay 10, the primary sedimentation tank 1 are equipped with the intake tunnel being passed through for waste water, and the discharge bay 10 is equipped with to be arranged for waste water
Exhalant canal out, waste water enter to primary sedimentation tank 1 by intake tunnel and remove bulky grain suspended matter, and then waste water enters anaerobic pond 2
Organic matter in middle degrading waste water improves the biodegradability of waste water, and the water outlet of anaerobic pond 2 enters anaerobic sludge backflow pool 3, and anaerobism is dirty
Part anaerobic sludge is back to anaerobic pond 2 by mud backflow pool 3, and to guarantee biochemical sludge concentration, hereafter wastewater effluent enters anoxic
Pond 4, further degradation of organic substances, while the nitrification nitrogen in sewage is reduced to nitrogen, realize the denitrogenation of waste water, anoxic pond 4 goes out
Water enters anoxic sludge backflow pool 5, carries out sludge reflux in anoxic sludge backflow pool 5, and then water outlet enters aerobic tank 6, will remain
Remaining organic matter degradation is inorganic matter, while a large amount of phosphorus absorbed in sewage of biology under aerobic state, is discharged by excess sludge,
The phosphorus in waste water is removed, aerobic tank 6 is discharged aerobic sludge backflow pool 7 and carries out sludge reflux, and hereafter water outlet enters biochemical reaction
Pond 8, and Dephosphorization reagent has been added in biochemical reaction tank 8, thus further to waste water dephosphorization, the phosphorus and Dephosphorization reagent in waste water are anti-
Should after generate sediment, hereafter waste water enters to discharge bay 10, and waste water waits for further discharging by drainage channel, and above system makes
It obtains waste water and realizes denitrogenation dephosphorizing, and Nitrogen/Phosphorus Removal is good.PAC, PAM can be added and remaining total phosphorus reaction generates sediment,
Total phosphorus is removed through precipitating in biochemical sedimentation basin 9；Water outlet enters intermediate pool.It should be pointed out that the sludge in originally implementing
Refer to biochemical sludge, aerobic reaction and anaerobic reaction can more occur under different Oxygen Conditions, thus in waste water
Organic matter carry out degradation treatment.
Based on above technical scheme, waste water enters to primary sedimentation tank 1 by intake tunnel and removes bulky grain suspended matter, then waste water
Organic matter into degrading waste water in anaerobic pond 2, improves the biodegradability of waste water, and the water outlet of anaerobic pond 2 is returned into anaerobic sludge
Pond 3 is flowed, part anaerobic sludge is back to anaerobic pond 2 by anaerobic sludge backflow pool 3, to guarantee biochemical sludge concentration, hereafter waste water
Water outlet enters anoxic pond 4, further degradation of organic substances, while the nitrification nitrogen in sewage is reduced to nitrogen, realizes the de- of waste water
Nitrogen, the water outlet of anoxic pond 4 enter anoxic sludge backflow pool 5, carry out sludge reflux in anoxic sludge backflow pool 5, then water outlet enters
Residual organic substances are degraded to inorganic matter by aerobic tank 6, while a large amount of phosphorus absorbed in sewage of biology under aerobic state, are passed through
Excess sludge discharge, removes the phosphorus in waste water, while ammonia nitrogen, organic nitrogen etc. in water are oxidized to nitrate nitrogen, aerobic tank 6 is discharged
Oxygen sludge reflux pond 7 simultaneously carries out sludge reflux, and hereafter water outlet enters biochemical reaction tank 8, and has added dephosphorization in biochemical reaction tank 8
Medicament, thus further to waste water dephosphorization, the phosphorus in waste water generates sediment after reacting with Dephosphorization reagent, and hereafter waste water enters to
Discharge bay 10, waste water wait for further discharging by drainage channel, and above system makes waste water realize denitrogenation dephosphorizing, and denitrogenation dephosphorizing
It works well, while above system sludge reflux pond after anaerobic pond 2, anoxic pond 4 and aerobic tank 6, to maintain biochemistry pool
Respective ambient stable, goes on smoothly conducive to biochemical reaction；Further, since the system is by the integrated setting in each pond at one
In processing pond, the system footprint space of integrated setting is small, and since processing pond ontology 100 uses steel plate to surround, Ge Gechi
Separated between son using isolation steel plate, so that the construction period of the system is short, cost of investment is low to make it easy to promote.
In the present embodiment, the primary sedimentation tank 1, anaerobic pond 2, the anaerobic sludge backflow pool 3, the anoxic pond 4, described
Anoxic sludge backflow pool 5, the aerobic tank 6, the aerobic sludge backflow pool 7 and biochemical reaction tank 8 part pool wall along institute
The periphery setting of processing pond ontology 100 is stated, the biochemical sedimentation basin 9 and the discharge bay 10 are set to the processing pond ontology
100 middle part, so that it is compact-sized between each pond, so that 100 occupied space of processing pond ontology further reduces, and
Multiple ponds along the setting of 100 periphery of processing pond ontology make the utilization rate of the steel plate high, and spacing is small between each pond, makes
The connection for obtaining each pond is more convenient, it should be pointed out that uses influent weir, effluent weir in the present embodiment between each pond
Or the form of diversion pipe is connected to, to realize circulating in the processing pond ontology 100 for waste water.
Wherein, it is provided with the first return flow line between the anaerobic pond 2 and the anaerobic sludge backflow pool 3, described first
Return flow line is provided with the first water pump 11, and the water inlet of first water pump 11 is connected with the anaerobic sludge backflow pool 3, institute
The water outlet for stating the first water pump 11 is connected with the anaerobic pond 2, and thus the first water pump 11 is by the part of anaerobic sludge backflow pool 3
Sludge reflux is into anaerobic pond 2, so as to guarantee the concentration of biochemical sludge, so that the organic matter in anaerobic pond 2 in waste water drops
Solution works well；
The second return flow line is provided between the anoxic pond 4 and the anoxic sludge backflow pool 5, second reflux is logical
Road is provided with the second water pump 12, and the water inlet of second water pump 12 is connected with the anoxic sludge backflow pool 5, and described second
The water outlet of water pump 12 is connected with the anoxic pond 4, and thus the second water pump 12 returns the partial sludge of anoxic sludge backflow pool 5
It flow in anoxic pond 4, so that can be preferably to useless Organic substance in water fully degraded in anoxic pond 4；
Third return flow line is provided between the aerobic tank 6 and the aerobic sludge backflow pool 7, the third reflux is logical
Road is provided with third water pump 13, and the water inlet of the third water pump 13 is connected with the aerobic sludge backflow pool 7, the third
The water outlet of water pump 13 is connected with the aerobic tank 6, and thus third water pump 13 returns the partial sludge of aerobic sludge backflow pool 7
It flow in aerobic tank 6, to guarantee to be able to maintain in aerobic tank 6 under aerobic state, a large amount of phosphorus absorbed in sewage of biology lead to
Remaining mud discharging is crossed, the phosphorus in waste water is removed；
The 4th return flow line is provided between the anoxic pond 4 and the aerobic tank 6, the 4th return flow line is provided with
The water inlet of 4th water pump 14, the 4th water pump 14 is connected with the aerobic tank 6, the water outlet of the 4th water pump 14 with
The anoxic pond 4 is connected, and thus the composite waste in aerobic tank 6 is partly refluxed in anoxic pond 4 by the 4th water pump 14, thus
Guarantee the anoxia condition of anoxic pond 4, i.e., partial oxidation is contained in the pond, while aerobic tank 6 can be given ammonia nitrogen, organic nitrogen in waste water
Etc. being oxidized to nitrate nitrogen, using the 4th water pump 14, extraction section composite waste to anoxic pond 4 carries out denitrification reaction, into
And the total nitrogen in waste water is further removed, the water outlet of part aerobic tank 6 is evacuated to anoxic pond 4 by elevator pump and carries out anti-nitre
Change reaction, to remove total polluted by nitrogen.Above structure makes realizing back up through water pump for sludge and composite waste, and structure is simple
And reflux operation is convenient.
In addition, the intake tunnel of the primary sedimentation tank 1 is connected by the 5th water pump 30 with conditioning tank 32 located underground, institute
The exhalant canal for stating discharge bay 10 is connected by the 6th water pump 31 with sandfiltration pot 33, i.e., sanitary wastewater etc. flows into conditioning tank 32
It is extracted afterwards by the 5th water pump 30 to being precipitated in primary sedimentation tank 1, and treated that water passes through the conveying of the 6th water pump 31 for the system
It is filtered into sandfiltration pot 33, finally guarantees aqueous suspension qualified discharge out.Further, the water inlet of the primary sedimentation tank 1 is logical
Road is connected by the first influent weir 15 with primary sedimentation tank 1, and first influent weir 15 is provided with baffle 29, so that waste water
Primary sedimentation tank 1 can be more preferably entered to, and baffle 29 has water conservancy diversion and buffer function, then enables water flow to stablize and flow through primary sedimentation tank
1, and the present embodiment mesophytization sedimentation basin 9 is connected by the first effluent weir 16 with discharge bay 10.
Specifically, the primary sedimentation tank 1, the anaerobic sludge backflow pool 3, the anoxic pond 4, the anoxic sludge backflow pool
5, the aerobic tank 6, the aerobic sludge backflow pool 7, the biochemical reaction tank 8, the biochemical sedimentation basin 9 and the discharge bay
10 bottom of pond is rectangle, the anaerobic pond 2 by be isolated steel plate separate to be formed bottom of pond be rectangular one pond 2a of anaerobism and
Two pond 2b of anaerobism, it should be pointed out that the size in each pond can be built according to actual needs in the present embodiment, be used
Rectangular pond can be avoided waste water and cause short stream in flowing, will lead to waste water if short stream occurs and stops in each pond
Time is too short, so that waste water is not sufficiently reacted, therefore above-mentioned setting can ensure that waste water sufficiently reacts, so that water treatment effect
Well.
In the present embodiment, it is connected between the one pond 2a of anaerobism and two pond 2b of the anaerobism by the first diversion pipe 17
Logical, the one pond 2a of anaerobism is connected with the primary sedimentation tank 1, and the two pond 2b of anaerobism is connected with the anaerobic sludge backflow pool 3
Logical, thus waste water enters to one pond 2a of anaerobism by primary sedimentation tank 1, hereafter enters to two pond 2b of anaerobism by the first diversion pipe 17 and enters
To anaerobic sludge backflow pool 3.
Preferably, the biochemical reaction tank 8 separates to form one pond 8a of biochemical reaction and biochemical reaction two by the way that steel plate is isolated
Pond 8b, the one pond 8a of biochemical reaction and the two pond 8b of biochemical reaction are connected by the second diversion pipe 18, described biochemical anti-
Ying Yichi 8a is connected with the aerobic sludge backflow pool 7, and the two pond 8b of biochemical reaction is connected with the biochemical sedimentation basin 9
Logical, the one pond 8a of biochemical reaction has added PAC, and aluminium polychloride (PAC) is one kind between AlCl3 and Al (OH) 3
Water-soluble inorganic high molecular polymer keeps subtle suspended particles and colloidal ion in water de- steady, aggregation, flocculation, coagulation, precipitating,
The two pond 8b of biochemical reaction has added PAM, and the molecule of polyacrylamide (PAM) can be with the suspended particles frame that is scattered in solution
Bridge absorption, has extremely strong flocculation, has added above-mentioned flocculation respectively in one pond 8a of biochemical reaction and two pond 8b of biochemical reaction
Agent then enables to waste water that can gradually precipitate when completing dephosphorization, and hereafter the waste water of biochemical reaction tank 8 is in 9 energy of biochemical sedimentation basin
It is enough precipitated, is removed so that the phosphorus made in waste water be precipitated, above structure is provided separately the two flocculant, to make
Operation must be precipitated and stablize progress.Illustratively, the specific mobility status of waste water in the present embodiment is that plant area or sanitary sewage are by
One influent weir 15 enters to primary sedimentation tank 1, hereafter flow to one pond 2a of anaerobism by the second effluent weir 19, and one pond 2a water flow of anaerobism passes through the
One diversion pipe 17 enters two pond 2b of anaerobism, hereafter enters to anaerobic sludge backflow pool 3 by the second influent weir 20, and then water flow is by the
Three influent weirs 23 enter to anoxic pond 4, and the water flow of anoxic pond 4 enters to the of anoxic sludge backflow pool 5 by third diversion pipe 22
Three influent weirs 23, hereafter flow to aerobic tank 6 by the 4th effluent weir 24, and the water flow of aerobic tank 6 is flowed to aerobic by the 4th diversion pipe 25
In 4th influent weir 26 in sludge reflux pond 7, hereafter flowed out in one pond 8a of biochemical reaction by the 5th effluent weir 27, biochemical reaction
The water flow of one pond 8a flow to two pond 8b of biochemical reaction by the second diversion pipe 18, and two pond 8b of biochemical reaction is flowed by the 5th diversion pipe 34
To the 5th influent weir 28 of biochemical sedimentation basin 9, hereafter water flow is flow in discharge bay 10 by the first effluent weir 16, and discharge bay 10
Exhalant canal connects sandfiltration pot 33 by the 6th water pump 31, finally discharges so that water flow is flow to after sandfiltration pot 33 filters.It needs
It is noted that being correspondingly arranged on baffle 29 at each influent weir, baffle 29 has the function of buffering and water conservancy diversion, to guarantee
Waterflow stabilization flowing, and connection is realized between each pond by way of influent weir, effluent weir and diversion pipe, so that
Connection facilitates stabilization between each pond, in addition, there are sludge reflux, anoxic ponds between anaerobic pond 2 and anaerobic sludge backflow pool 3
There are sludge refluxes between 4 and anoxic sludge backflow pool 5, there are sludge reflux between aerobic tank 6 and aerobic sludge reflux pond 7,
It there are composite waste reflux between anoxic pond 4 and aerobic tank 6, has been discussed in detail, has not been unfolded again herein in front.
In the present embodiment, the processing pond ontology 100 is welded by several steel plates, and each isolation steel plate is welded in
The steel plate, weld job makes the construction of the system more convenient, and structural strength is big, and the steel plate and the isolation steel
The outer surface of plate is provided with erosion resistant coating, so that the long service life in processing pond ontology 100 and each pond, reduces maintenance
Cost.
Preferably, the pool wall of the primary sedimentation tank 1, the pool wall of the anaerobic pond 2, the anaerobic sludge backflow pool 3 pool wall,
The pool wall of the anoxic pond 4, the pool wall of the anoxic sludge backflow pool 5, the pool wall of the aerobic tank 6, the aerobic sludge return
Flow the pool wall in pond 7, the pool wall of the biochemical reaction tank 8, the pool wall of the biochemical sedimentation basin 9 and the discharge bay 10 pool wall according to
It is secondary to be bordered, it needs to border between the pond being connected to due to each, then pipeline needed for can reducing the connection between each pond, from
And makes the system structure compact and be further reduced the cost of investment of the system.
Using the denitrogenation of waste water dephosphorization system of the embodiment of the present invention, waste water enters to primary sedimentation tank 1 by intake tunnel and removes greatly
Particle suspensions, then waste water enters the organic matter in anaerobic pond 2 in degrading waste water, improves the biodegradability of waste water, anaerobic pond 2
Water outlet enters anaerobic sludge backflow pool 3, and part anaerobic sludge is back to anaerobic pond 2 by anaerobic sludge backflow pool 3, to guarantee biochemistry
Sludge concentration, hereafter wastewater effluent enters anoxic pond 4, further degradation of organic substances, while the nitrification nitrogen in sewage being reduced to
Nitrogen realizes that the denitrogenation of waste water, the water outlet of anoxic pond 4 enter anoxic sludge backflow pool 5, carry out sludge in anoxic sludge backflow pool 5
Reflux, then water outlet enters aerobic tank 6, and residual organic substances are degraded to inorganic matter, while biology is largely inhaled under aerobic state
The phosphorus in sewage is received, is discharged by excess sludge, removes the phosphorus in waste water, while ammonia nitrogen, organic nitrogen etc. in water are oxidized to nitre
State nitrogen, aerobic tank 6 are discharged aerobic sludge backflow pool 7 and carry out sludge reflux, and hereafter water outlet enters biochemical reaction tank 8, and biochemical
Dephosphorization reagent is added in reaction tank 8, thus further to waste water dephosphorization, it is heavy that the phosphorus in waste water generates after reacting with Dephosphorization reagent
Starch, hereafter waste water enters to discharge bay 10, and waste water waits for further discharging by drainage channel, and above system realizes waste water
Denitrogenation dephosphorizing, and Nitrogen/Phosphorus Removal is good, while above system adds dirt after anaerobic pond 2, anoxic pond 4 and aerobic tank 6
Mud backflow pool is gone on smoothly to maintain the respective ambient stable of biochemistry pool conducive to biochemical reaction；Further, since the system will
Each pond is integrated to be arranged in a processing pond, and the system footprint space of integrated setting is small, and due to processing pond sheet
Body 100 is surrounded using steel plate, is separated between each pond using isolation steel plate, so that the construction period of the system is short, is thrown
It provides at low cost to make it easy to promote.
In the description of the present invention, it is to be understood that, term " on ", "lower", "left", "right", "top", "bottom" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of denitrogenation of waste water dephosphorization system, it is characterised in that: including processing pond ontology, the processing pond ontology is by several steel plates
It surrounds, the processing pond ontology is separated to form by isolation steel plate is sequentially connected logical primary sedimentation tank, anaerobic pond, anaerobic sludge reflux
Pond, anoxic pond, anoxic sludge backflow pool, aerobic tank, aerobic sludge backflow pool, biochemical reaction tank, biochemical sedimentation basin and discharge bay,
The primary sedimentation tank is equipped with the intake tunnel being passed through for waste water, and the discharge bay is equipped with the exhalant canal being discharged for waste water.
2. denitrogenation of waste water dephosphorization system according to claim 1, it is characterised in that: the primary sedimentation tank, described is detested anaerobic pond
Oxygen sludge reflux pond, the anoxic pond, the anoxic sludge backflow pool, the aerobic tank, the aerobic sludge backflow pool and life
The part pool wall for changing reaction tank is arranged along the periphery of the processing pond ontology, the biochemical sedimentation basin and discharge bay setting
In the middle part of the processing pond ontology.
3. denitrogenation of waste water dephosphorization system according to claim 2, it is characterised in that: the anaerobic pond and the anaerobic sludge
Be provided with the first return flow line between backflow pool, first return flow line is provided with the first water pump, first water pump into
The mouth of a river is connected with the anaerobic sludge backflow pool, and the water outlet of first water pump is connected with the anaerobic pond；
The second return flow line, the second return flow line setting are provided between the anoxic pond and the anoxic sludge backflow pool
There is the second water pump, the water inlet of second water pump is connected with the anoxic sludge backflow pool, the water outlet of second water pump
Mouth is connected with the anoxic pond；
Third return flow line, the third return flow line setting are provided between the aerobic tank and the aerobic sludge backflow pool
There is third water pump, the water inlet of the third water pump is connected with the aerobic sludge backflow pool, the water outlet of the third water pump
Mouth is connected with the aerobic tank；
The 4th return flow line is provided between the anoxic pond and the aerobic tank, the 4th return flow line is provided with the 4th water
Pump, the water inlet of the 4th water pump are connected with the aerobic tank, water outlet and the anoxic pond phase of the 4th water pump
Connection.
4. denitrogenation of waste water dephosphorization system according to claim 1, it is characterised in that: the intake tunnel of the primary sedimentation tank passes through
5th water pump is connected with conditioning tank located underground, and the exhalant canal of the discharge bay is connected by the 6th water pump with sandfiltration pot
It connects.
5. denitrogenation of waste water dephosphorization system according to claim 4, it is characterised in that: the intake tunnel of the primary sedimentation tank passes through
First influent weir is connected with primary sedimentation tank, and first influent weir is provided with baffle.
6. denitrogenation of waste water dephosphorization system according to claim 1, it is characterised in that: the primary sedimentation tank, the anaerobic sludge
Backflow pool, the anoxic pond, the anoxic sludge backflow pool, the aerobic tank, the aerobic sludge backflow pool, the biochemistry are anti-
The bottom of pond of Ying Chi, the biochemical sedimentation basin and the discharge bay are rectangle, and the anaerobic pond separates shape by the way that steel plate is isolated
It is rectangular one pond of anaerobism and two pond of anaerobism at bottom of pond.
7. denitrogenation of waste water dephosphorization system according to claim 6, it is characterised in that: one pond of anaerobism and the anaerobism two
Be connected between pond by the first diversion pipe, one pond of anaerobism is connected with the primary sedimentation tank, two pond of anaerobism with it is described
Anaerobic sludge backflow pool is connected.
8. denitrogenation of waste water dephosphorization system according to claim 1, it is characterised in that: the biochemical reaction tank passes through isolation steel
Plate separates to form two pond of one pond of biochemical reaction and biochemical reaction, and one pond of biochemical reaction and two pond of the biochemical reaction pass through the
Two diversion pipes are connected, and one pond of biochemical reaction is connected with the aerobic sludge backflow pool, two pond of biochemical reaction with
The biochemical sedimentation basin is connected, and one pond of biochemical reaction has added PAC, and two pond of biochemical reaction has added PAM.
9. denitrogenation of waste water dephosphorization system according to any one of claims 1 to 8, it is characterised in that: the processing pond ontology
It is welded by several steel plates, each isolation steel plate is welded in the steel plate, and the steel plate and the isolation steel plate is outer
Surface is provided with erosion resistant coating.
10. denitrogenation of waste water dephosphorization system according to any one of claims 1 to 8, it is characterised in that: the pond of the primary sedimentation tank
Wall, the pool wall of the anaerobic pond, the pool wall of the anaerobic sludge backflow pool, the pool wall of the anoxic pond, the anoxic sludge return
Flow pool wall, the pool wall of the aerobic tank, the pool wall of the aerobic sludge backflow pool, the pool wall of the biochemical reaction tank, institute in pond
The pool wall of the pool wall and the discharge bay of stating biochemical sedimentation basin is successively bordered.
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| CN201990582U (en) * | 2011-03-17 | 2011-09-28 | 河海大学 | Sewage denitrification and dephosphorization device |
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| CN207130090U (en) * | 2017-06-27 | 2018-03-23 | 上海市机电设计研究院有限公司 | Intensive municipal sewage treatment pool device |
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| CN210457843U (en) * | 2019-07-11 | 2020-05-05 | 广州益方田园环保股份有限公司 | Wastewater nitrogen and phosphorus removal system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201990582U (en) * | 2011-03-17 | 2011-09-28 | 河海大学 | Sewage denitrification and dephosphorization device |
| CN105712477A (en) * | 2014-12-05 | 2016-06-29 | 中国石油化工股份有限公司 | Aerobic-anoxic-anaerobic biochemical reactor and continuous sewage processing method |
| CN205838679U (en) * | 2016-06-22 | 2016-12-28 | 重庆大学 | AAO type fluidized bed integration sewage disposal device |
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