CN203866159U - Nitrogen and phosphorus removal sewage treatment system adopting constant water level sequencing batch type activated sludge method - Google Patents
Nitrogen and phosphorus removal sewage treatment system adopting constant water level sequencing batch type activated sludge method Download PDFInfo
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- CN203866159U CN203866159U CN201420281965.8U CN201420281965U CN203866159U CN 203866159 U CN203866159 U CN 203866159U CN 201420281965 U CN201420281965 U CN 201420281965U CN 203866159 U CN203866159 U CN 203866159U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 239000010802 sludge Substances 0.000 title claims abstract description 65
- 239000010865 sewage Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000012163 sequencing technique Methods 0.000 title claims abstract description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title abstract description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 title abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 title abstract description 8
- 239000011574 phosphorus Substances 0.000 title abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 103
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 10
- 238000004659 sterilization and disinfection Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005273 aeration Methods 0.000 abstract description 4
- 238000004062 sedimentation Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000010992 reflux Methods 0.000 description 10
- 238000000926 separation method Methods 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000006396 nitration reaction Methods 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 2
- 239000010954 inorganic particle Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002906 microbiologic effect Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 208000006735 Periostitis Diseases 0.000 description 1
- ZJPGOXWRFNKIQL-JYJNAYRXSA-N Phe-Pro-Pro Chemical compound C([C@H](N)C(=O)N1[C@@H](CCC1)C(=O)N1[C@@H](CCC1)C(O)=O)C1=CC=CC=C1 ZJPGOXWRFNKIQL-JYJNAYRXSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229920000037 Polyproline Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a nitrogen and phosphorus removal sewage treatment system adopting a constant water level sequencing batch type activated sludge method, and relates to the sewage treatment. The system comprises a sewage treatment pond, wherein the sewage treatment pond is divided into a biological selection area, a reaction area and an effluent balance area by two hydraulic wings which are fixed at the bottom and on the two side walls of the sewage treatment pond in a sealed manner; the biologic selection area is provided with a continuous water inlet, a first stirrer and a reaction area water inlet pump; the reaction area is provided with a water inlet tube, a flow thruster, an aeration device, a water decanter, a dissolved oxygen online detector and a sludge pump; the effluent balance area is provided with a second stirrer, a reaction area effluent pump and a continuous water outlet. The system is integrally formed, no water inlet pond or water discharge pond is needed to be separately arranged, the structure is simple, and the occupied area is small. Water can be continuously fed or discharged, so that the water level inside the whole system is constant; due to adoption of the constant water level water decanter, the waterpower loss is reduced, and the energy consumption is low; meanwhile, the supernate of the uppermost layer is discharged, the optimal effluent water quality is ensured, the reaction process is efficiently utilized, and the time of the sedimentation and decanting period is short.
Description
Technical field
The utility model relates to sewage disposal, particularly relates to a kind of denitrogenation dephosphorizing constant water level sequencing batch active sludge method system of disposing of sewage.
Background technology
Based on European patent 1132248 and Chinese patent ZL200720009520.4, disclose a kind of technique of permanent water level biological sewage treatment, sewage flows into three functional zone that the flexible water sail reciprocally being moved is divided into variable volume.This technique and system thereof realize water inlet, continuous effluent continuously in single reaction tank, periodically complete the water-filling, stirring, aeration of SBR technique (sequencing batch active sludge), the whole process that precipitates, strains water, be applicable to the processing of China's Small Urban sewage.
But in operational process, find, if TN, TP are too high in water inlet, and water outlet is when have relatively high expectations to denitrogenation dephosphorizing, and the treatment effect of permanent water level SBR system denitrogenation dephosphorizing is not also ideal, still needs to strengthen its denitrogenation dephosphorizing ability.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist in existing sewage disposal, provide a kind of constant water level sequencing batch active sludge method sewage treatment is improved, to reach the denitrogenation dephosphorizing constant water level sequencing batch active sludge method of the effect that the strengthens denitrogenation dephosphorizing system of disposing of sewage.
The utility model is provided with treatment tank, this treatment tank is divided into San Ge district by two waterpower sails that are fixed on treatment tank bottom and two side with sealing means, be followed successively by biological selecting area, reaction zone, water outlet equilibrium area, described biological selecting area, reaction zone and water outlet equilibrium area San Ge district water level are constant, and the volumetric ratio of biological selecting area, reaction zone and water outlet equilibrium area is 1: 3: 1; The top of described waterpower sail floats on liquid level, and the surface-area of waterpower sail is the surface-area (being the characteristic that the oriented volume of waterpower rigging reduces region automigration) at the treatment tank for the treatment of tank bottom and two side bearing much larger than waterpower sail;
Described biological selecting area is provided with continuous water-in, the 1st agitator, reaction zone intake pump, and the water-in of described reaction zone intake pump is located in biological selecting area, and the water outlet of reaction zone intake pump is connected with reaction zone water inlet pipe through pipeline;
Described reaction zone is provided with water inlet pipe, impeller, aerating apparatus, strains hydrophone, dissolved oxygen on-line detector, sludge pump, the import of described sludge pump is located in reaction zone, mud pump outlet is divided into two-way through pipeline, one way outlet of sludge pump is located near the water-in of biological selecting area through sludge return pipe, another way outlet of sludge pump is connected with storage basin through excess sludge discharge pipeline, is equipped with electrically operated valve and carries out switching controls on two-way pipeline; Aerating apparatus is connected with gas blower through airduct.
Described water outlet equilibrium area is provided with the 2nd agitator, reaction zone goes out water pump, continuous effluent mouth, reaction zone go out water pump through pipeline with strain hydrophone and be connected.
Described reaction zone intake pump and reaction zone go out water pump all can adopt the propeller pump of large flow low-lift; Described the 1st agitator, the 2nd agitator all can adopt submersible agitator; Described impeller can adopt submersible water impeller; Described aerating apparatus can adopt tubular type aerating apparatus; The described hydrophone of straining can adopt permanent water-level decanter.
The utility model also can be provided with grid, settling pit and disinfection by ultraviolet light pond;
Described settling pit water outlet is connected with the continuous water-in of biological selecting area through pipeline, and settling pit water-in is provided with grid;
Described disinfection by ultraviolet light pond water-in is connected with the continuous effluent mouth of water outlet equilibrium area through pipeline.
The method that described denitrogenation dephosphorizing constant water level sequencing batch active sludge method is disposed of sewage is as follows:
Whole treatment tank is interior according to sequential periodic duty, in each cycle, biological selecting area intakes continuously, water outlet equilibrium area continuous effluent, water, reaction, precipitation, draining, spoil disposal, sludge reflux are entered successively by the different periods in the cycle in reaction zone, go round and begin again; The sewage treatment process in each cycle comprises the following steps:
1) sewage is flowed through successively, and grid suspends with larger being of interception or the pollutent of levitated state;
2) settling pit, removes heavy inorganic particle and the part organic granular of sandstone geometric ratio water;
3) through step 2) pretreated sewage enters biological selecting area, mixes with returned sluge, carries out anoxic denitrification reaction, removes part nitrogen phosphorus;
4) through step 3) sewage after processing enters reaction zone, and mix with the mud in reaction zone, carry out repeatedly A2O operational mode (anaerobic-anoxic-oxic reaction), remove the organism in sewage, realize synchronous denitrification dephosphorizing, reaction finishes rear quiescent setting and realizes mud-water separation;
5) after mud-water separation, enter and strain the water stage, by reaction zone supernatant liquor after precipitation, by straining hydrophone through going out water pump suction equilibrium area, in equilibrium area, water outlet is discharged after uv sterilisation simultaneously;
6) after straining water and completing, open sludge pump, open the electrically operated valve on sludge return pipe simultaneously, electrically operated valve on maintenance excess sludge discharge pipeline is in closure state, partly precipitated sludge reflux down below to the control region that intakes, each sludge reflux amount is flooding quantity 3%～5%, return time is 0.3～0.8h, realizes in biological selecting area and cultivates and inhale phosphorus bacterium and denitrifying bacteria, makes the Nitrogen/Phosphorus Removal of system better; After sludge reflux finishes, close the electrically operated valve on sludge return pipe, open the electrically operated valve on excess sludge discharge pipeline, excess sludge, through sludge pump suction storage basin, and after thickening operation, mud cake outward transport is disposed.
In step 4) in, the concrete steps of described repeatedly A2O operational mode can be:
(1) start the submersible agitator of biological selecting area, sewage is reacted with returned sluge, after 0.25h, start intake pump, by the water suction reaction zone of biological selecting area; Intake pump starts after 0.1h, start the submersible water impeller in reaction zone, mud through long period precipitation in reaction zone is mixed with sewage, in reaction zone, the working hour of water inlet mix stages is 0.35～0.5h, during this period, reaction zone submersible water impeller mixes water inlet completely with the mud in reaction zone, and carries out anoxic denitrification reaction, removes ammonia nitrogen and total nitrogen in water;
(2) after having intake, submersible water impeller works on, and keeps the anoxic condition in reaction zone, allows anti-nitre bacterium carry out fully anti-nitration reaction, removes ammonia nitrogen and total nitrogen in water, and in reaction zone, the working hour in water inlet anti-nitration reaction stage is 0.2～0.5h;
(3) after step (2) working hour finishes, stop submersible water impeller, after 0.1～0.2h, open gas blower, and carry out aeration by aerating apparatus, and the dissolved oxygen of controlling reaction zone is between 2.0～2.5mg/L, make aerobic microbiological in mud carry out aerobic removal organism, nitrated, except phosphorus reaction, in reaction zone, carrying out aerobic removal organism, working hour nitrated, dephosphorization step of reaction is 1.0～2.5h, during the running frequency of gas blower by dissolved oxygen instrument in reaction tank, controlled;
Immediately, anoxic process for the second time, the machine that turns off the blast, starts submersible water impeller repeating step 2);
Immediately, aerobic processes for the second time, repeating step 3);
Carry out at most Anoxic/Aerobic alternation procedure three times;
4) after reaction finishes, gas blower is out of service, and reaction zone enters precipitate phase and realizes mud-water separation, and in reaction zone, mud-water separation phases-time is 0.8～1.0h;
5) after sedimentation time finishes, enter and strain the water stage, the supernatant liquor that is about to the superiors in reaction zone is by permanent water-level decanter through going out water pump suction equilibrium area, and in reaction zone, to strain water phases-time be 1h to permanent water-level decanter, and finish a reaction time.
The utlity model has following advantage:
1, system integration is integrated, and without pump sump and outlet sump are set separately, simple in structure, floor space is little.
2, continuous flow, in whole system, water level is constant.
3, adopt permanent water-level decanter, reduced hydraulic loss, energy consumption is low; Meanwhile, always discharge the superiors' supernatant liquor, ensure optimum effluent quality.
4, reaction process is efficiently utilized, and precipitates, strains water phases-time short.
5, increase sludge reflux, before reaction zone, form one and there is bioselection function, the anoxic with whipping appts, anaerobic zone (being biological selecting area).Leading portion is oxygen-starved area, and nitrate contained in sludge reflux liquid can be able to denitrification in this selector switch; Back segment is anaerobic zone, for polyP bacteria provides special anaerobic environment, has good phosphor-removing effect.Meanwhile, this region regulates the flco load of active sludge in addition, and can effectively suppress thread fungus expansion, prevents that sludge bulking from occurring.
Accompanying drawing explanation
Fig. 1 is that the structure of the utility model embodiment forms schematic top plan view.
Fig. 2 is that the structure of the utility model embodiment forms cross-sectional schematic.
Embodiment
Following examples are further described the utility model in connection with accompanying drawing.
Referring to Fig. 1 and 2, the utility model embodiment is provided with treatment tank, this treatment tank is divided into San Ge district by two waterpower sails 1 that are fixed on treatment tank bottom and two side with sealing means, be followed successively by biological selecting area A, reaction zone B, water outlet equilibrium area C, described biological selecting area A, reaction zone B and water outlet equilibrium area C San Ge district water level are constant, and the volumetric ratio of biological selecting area A, reaction zone B and water outlet equilibrium area C is 1: 3: 1; The top of described waterpower sail 1 floats on liquid level, and the surface-area of waterpower sail 1 is the surface-area (being the characteristic that the oriented volume of waterpower rigging reduces region automigration) at the treatment tank for the treatment of tank bottom and two side bearing much larger than waterpower sail 1.
Described biological selecting area A is provided with continuous water-in the 2, the 1st agitator 31, reaction zone intake pump 4, and the water-in of described reaction zone intake pump 4 is located in the A of biological selecting area, and the water outlet of reaction zone intake pump 4 is connected with reaction zone water inlet pipe 5 through pipeline.
Described reaction zone B is provided with water inlet pipe, impeller 6, aerating apparatus 7, strains hydrophone 8, dissolved oxygen on-line detector 9, sludge pump 10, the import of described sludge pump 10 is located in the B of reaction zone, the outlet of sludge pump 10 is divided into two-way through pipeline, one way outlet of sludge pump 10 is located near the water-in of biological selecting area A through sludge return pipe, another way outlet of sludge pump 10 is connected with storage basin F through excess sludge discharge pipeline, is equipped with electrically operated valve 11 and carries out switching controls on two-way pipeline; Aerating apparatus 7 is connected with gas blower 12 through airduct.
Described water outlet equilibrium area C is provided with the 2nd agitator 32, reaction zone goes out water pump 13, continuous effluent mouth 14, reaction zone go out water pump 13 through pipeline with strain hydrophone 8 and be connected.
Described reaction zone intake pump 4 and reaction zone go out water pump 13 all can adopt the propeller pump of large flow low-lift; Described the 1st agitator the 31, the 2nd agitator 32 all can adopt submersible agitator; Described impeller can adopt submersible water impeller; Described aerating apparatus can adopt tubular type aerating apparatus; The described hydrophone of straining can adopt permanent water-level decanter.
The utility model also can be provided with grid D, settling pit E and disinfection by ultraviolet light pond G.Described settling pit E water outlet is connected with the continuous water-in 2 of biological selecting area A through pipeline, and settling pit E water-in is provided with grid D.
Described disinfection by ultraviolet light pond G water-in is connected with the continuous effluent mouth 14 of water outlet equilibrium area C through pipeline.
The method that described denitrogenation dephosphorizing constant water level sequencing batch active sludge method is disposed of sewage is as follows:
Whole treatment tank is interior according to sequential periodic duty, in each cycle, biological selecting area intakes continuously, water outlet equilibrium area continuous effluent, water, reaction, precipitation, draining, spoil disposal, sludge reflux are entered successively by the different periods in the cycle in reaction zone, go round and begin again; The sewage treatment process in each cycle comprises the following steps:
1) sewage is flowed through successively, and grid suspends with larger being of interception or the pollutent of levitated state;
2) settling pit, removes heavy inorganic particle and the part organic granular of sandstone geometric ratio water;
3) through step 2) pretreated sewage enters biological selecting area, mixes with returned sluge, carries out anoxic denitrification reaction, removes part nitrogen phosphorus;
4) through step 3) sewage after processing enters reaction zone, and mix with the mud in reaction zone, carry out repeatedly A2O operational mode (anaerobic-anoxic-oxic reaction), remove the organism in sewage, realize synchronous denitrification dephosphorizing, reaction finishes rear quiescent setting and realizes mud-water separation;
5) after mud-water separation, enter and strain the water stage, by reaction zone supernatant liquor after precipitation, by straining hydrophone through going out water pump suction equilibrium area, in equilibrium area, water outlet is discharged after uv sterilisation simultaneously;
6) after straining water and completing, open sludge pump, open the electrically operated valve on sludge return pipe simultaneously, electrically operated valve on maintenance excess sludge discharge pipeline is in closure state, partly precipitated sludge reflux down below to the control region that intakes, each sludge reflux amount is flooding quantity 3%～5%, return time is 0.3～0.8h, realizes in biological selecting area and cultivates and inhale phosphorus bacterium and denitrifying bacteria, makes the Nitrogen/Phosphorus Removal of system better; After sludge reflux finishes, close the electrically operated valve on sludge return pipe, open the electrically operated valve on excess sludge discharge pipeline, excess sludge, through sludge pump suction storage basin, and after thickening operation, mud cake outward transport is disposed.
In step 4) in, the concrete steps of described repeatedly A2O operational mode can be:
(1) start the submersible agitator of biological selecting area, sewage is reacted with returned sluge, after 0.25h, start intake pump, by the water suction reaction zone of biological selecting area; Intake pump starts after 0.1h, start the submersible water impeller in reaction zone, mud through long period precipitation in reaction zone is mixed with sewage, in reaction zone, the working hour of water inlet mix stages is 0.35～0.5h, during this period, reaction zone submersible water impeller mixes water inlet completely with the mud in reaction zone, and carries out anoxic denitrification reaction, removes ammonia nitrogen and total nitrogen in water.
(2) after having intake, submersible water impeller works on, and keeps the anoxic condition in reaction zone, allows anti-nitre bacterium carry out fully anti-nitration reaction, removes ammonia nitrogen and total nitrogen in water, and in reaction zone, the working hour in water inlet anti-nitration reaction stage is 0.2～0.5h;
(3) after step (2) working hour finishes, stop submersible water impeller, after 0.1～0.2h, open gas blower, and carry out aeration by aerating apparatus, and the dissolved oxygen of controlling reaction zone is between 2.0～2.5mg/L, make aerobic microbiological in mud carry out aerobic removal organism, nitrated, except phosphorus reaction, in reaction zone, carrying out aerobic removal organism, working hour nitrated, dephosphorization step of reaction is 1.0～2.5h, during the running frequency of gas blower by dissolved oxygen instrument in reaction tank, controlled;
Immediately, anoxic process for the second time, the machine that turns off the blast, starts submersible water impeller repeating step 2);
Immediately, aerobic processes for the second time, repeating step 3);
Carry out at most Anoxic/Aerobic alternation procedure three times;
4) after reaction finishes, gas blower is out of service, and reaction zone enters precipitate phase and realizes mud-water separation, and in reaction zone, mud-water separation phases-time is 0.8～1.0h;
5) after sedimentation time finishes, enter and strain the water stage, the supernatant liquor that is about to the superiors in reaction zone is by permanent water-level decanter through going out water pump suction equilibrium area, and in reaction zone, to strain water phases-time be 1h to permanent water-level decanter, and finish a reaction time.
Treatment capacity 2.0 ten thousand ton per days of take are below example, provide specific embodiment.
Waterpower sail is mainly comprised of water sail, cursory, reflector, and water sail material is preferably FPP (model GAA-HYDROSAIL-EV2167, manufacturer Germany G.A.A company).
Agitator is selected submersible agitator, and material is stainless steel 304 (model QJB620/480-5, Nanjing Beite Environment Protection General Equipment Mfg Co., Ltd. of manufacturer).
Reaction zone intake pump and reaction zone go out water pump and select submersible axial flow pump, and material is stainless steel (model WH2216-6-11, Kaiquan Pump (Group) Co Ltd, Shanghai of manufacturer).
Impeller is selected underwater scooter, and host housing is cast iron, glass reinforced plastic broad-leaved slurry (model QDTA2500/42-4, Nanjing Beite Environment Protection General Equipment Mfg Co., Ltd. of manufacturer).
Aerating apparatus is preferably selected periosteum formula aerating apparatus (model ABS+EPDM, Jiangsu Jing Yu Water Management Equipment Ltd. of manufacturer).
Strain hydrophone and preferably select fixed permanent water-level decanter, material is all steel (model C WLD-450-50Hz-380V, manufacturer Germany G.A.A company).
Sludge pump is preferably selected cast iron quality (model WQ4210-453-200-Z, Kaiquan Pump (Group) Co Ltd, Shanghai of manufacturer).
Gas blower is preferably selected three leaf roots blowers (model FE-300, Yixing Fu Xi Machinery Co., Ltd. of manufacturer).
The maximum displacement of described water sail is 7.0m, and the position of water sail is monitored by online guided wave radar material level gauge, and signal is uploaded to PLC, has minimum and maximum guarded by location effect.
Claims (8)
1. the denitrogenation dephosphorizing constant water level sequencing batch active sludge method system of disposing of sewage, it is characterized in that being provided with treatment tank, this treatment tank is divided into San Ge district by two waterpower sails that are fixed on treatment tank bottom and two side with sealing means, is followed successively by biological selecting area, reaction zone, water outlet equilibrium area; The top of described waterpower sail floats on liquid level, and the surface-area of waterpower sail is the surface-area at the treatment tank for the treatment of tank bottom and two side bearing much larger than waterpower sail;
Described biological selecting area is provided with continuous water-in, the 1st agitator, reaction zone intake pump, and the water-in of described reaction zone intake pump is located in biological selecting area, and the water outlet of reaction zone intake pump is connected with reaction zone water inlet pipe through pipeline;
Described reaction zone is provided with water inlet pipe, impeller, aerating apparatus, strains hydrophone, dissolved oxygen on-line detector, sludge pump, the import of described sludge pump is located in reaction zone, mud pump outlet is divided into two-way through pipeline, one way outlet of sludge pump is located near the water-in of biological selecting area through sludge return pipe, another way outlet of sludge pump is connected with storage basin through excess sludge discharge pipeline, is equipped with electrically operated valve and carries out switching controls on two-way pipeline; Aerating apparatus is connected with gas blower through airduct;
Described water outlet equilibrium area is provided with the 2nd agitator, reaction zone goes out water pump, continuous effluent mouth, reaction zone go out water pump through pipeline with strain hydrophone and be connected.
2. a kind of denitrogenation dephosphorizing constant water level sequencing batch active sludge method system of disposing of sewage as claimed in claim 1, it is characterized in that described biological selecting area, reaction zone and water outlet equilibrium area San Ge district water level are constant, and the volumetric ratio of biological selecting area, reaction zone and water outlet equilibrium area is 1: 3: 1.
3. a kind of denitrogenation dephosphorizing constant water level sequencing batch active sludge method system of disposing of sewage as claimed in claim 1, is characterized in that described reaction zone intake pump and reaction zone go out the propeller pump that water pump all adopts large flow low-lift.
4. a kind of denitrogenation dephosphorizing constant water level sequencing batch active sludge method system of disposing of sewage as claimed in claim 1, is characterized in that described the 1st agitator, the 2nd agitator all adopt submersible agitator.
5. a kind of denitrogenation dephosphorizing constant water level sequencing batch active sludge method system of disposing of sewage as claimed in claim 1, is characterized in that described impeller adopts submersible water impeller.
6. a kind of denitrogenation dephosphorizing constant water level sequencing batch active sludge method system of disposing of sewage as claimed in claim 1, is characterized in that described aerating apparatus adopts tubular type aerating apparatus.
7. a kind of denitrogenation dephosphorizing constant water level sequencing batch active sludge method system of disposing of sewage as claimed in claim 1, strains hydrophone and adopts permanent water-level decanter described in it is characterized in that.
8. a kind of denitrogenation dephosphorizing constant water level sequencing batch active sludge method system of disposing of sewage as claimed in claim 1, is characterized in that the described denitrogenation dephosphorizing constant water level sequencing batch active sludge method system of disposing of sewage is also provided with grid, settling pit and disinfection by ultraviolet light pond; Described settling pit water outlet is connected with the continuous water-in of biological selecting area through pipeline, and settling pit water-in is provided with grid; Described disinfection by ultraviolet light pond water-in is connected with the continuous effluent mouth of water outlet equilibrium area through pipeline.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979740A (en) * | 2014-05-29 | 2014-08-13 | 厦门溢盛环保科技有限公司 | Sewage treatment system and method through nitrogen and phosphorus removal constant water level sequencing batch activated sludge process |
| CN107176758A (en) * | 2017-06-21 | 2017-09-19 | 邬三丽 | A kind of sewage water treatment method of application iQPR water |
| CN116395846A (en) * | 2023-04-06 | 2023-07-07 | 山东源广环保科技有限公司 | Constant water level combined biological film SBR sewage treatment system |
| CN120271129A (en) * | 2025-06-10 | 2025-07-08 | 浙江省环保集团宁波禹成有限公司 | Landfill leachate collecting and treating device |
-
2014
- 2014-05-29 CN CN201420281965.8U patent/CN203866159U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979740A (en) * | 2014-05-29 | 2014-08-13 | 厦门溢盛环保科技有限公司 | Sewage treatment system and method through nitrogen and phosphorus removal constant water level sequencing batch activated sludge process |
| CN103979740B (en) * | 2014-05-29 | 2015-11-25 | 厦门溢盛环保科技有限公司 | Denitrogenation dephosphorizing constant water level sequencing batch active sludge method is disposed of sewage system and method thereof |
| CN107176758A (en) * | 2017-06-21 | 2017-09-19 | 邬三丽 | A kind of sewage water treatment method of application iQPR water |
| CN116395846A (en) * | 2023-04-06 | 2023-07-07 | 山东源广环保科技有限公司 | Constant water level combined biological film SBR sewage treatment system |
| CN120271129A (en) * | 2025-06-10 | 2025-07-08 | 浙江省环保集团宁波禹成有限公司 | Landfill leachate collecting and treating device |
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