CN104016479A - Tower-type self-circulation aerobic degradation reactor and aerobic degradation method using same - Google Patents
Tower-type self-circulation aerobic degradation reactor and aerobic degradation method using same Download PDFInfo
- Publication number
- CN104016479A CN104016479A CN201410243730.4A CN201410243730A CN104016479A CN 104016479 A CN104016479 A CN 104016479A CN 201410243730 A CN201410243730 A CN 201410243730A CN 104016479 A CN104016479 A CN 104016479A
- Authority
- CN
- China
- Prior art keywords
- reactor
- water
- aerobic degradation
- aeration
- district
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- C02F3/12—Activated sludge processes
- C02F3/22—Activated sludge processes using circulation pipes
-
- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses a tower-type self-circulation aerobic degradation reactor. Waste water is uniformly introduced into an anoxic reaction zone at the bottom of the reactor by virtue of a water inlet pipe and a water distribution system which are arranged at the bottom of the reactor, the waste water is jointly mixed and reacts with high-concentration sludge and digestive fluid which are arranged at the bottom of the reactor and mixed liquor refluxed through a central reflux pipe, the mixture rises for forming a vertically rising type flow state upward movement, and a water inlet pump and an aeration fan are used for providing power, so that no sludge, digestive fluid reflux pump and the like is needed; meanwhile, the aeration fan has low power requirement, a conventional air blower is needed only, and operating cost and management difficulty are greatly reduced.
Description
Technical field
The present invention relates to aerobe treatment facility technical field, more specifically, relate to a kind of tower self-circulation aerobic degradation reactor and aerobic degradation method thereof.
Background technology
Aerobe treatment technology is to make good use of oxygen animalcule to carry out biological metabolism with degradation of organic substances under the condition that has oxygen to exist, and makes its stable, innoxious treatment process.Microorganism utilizes the organic pollutant existing in water for substrate has carried out oxygen metabolism, through a series of biochemical reaction, releases energy step by step, and finally the inorganics with low energy position settles out, and reaches innoxious requirement.
The technology application that aerobic treatment has developed at present is very extensive, but due to the restriction of oxygen supply mode, adopt conventional fan blast aeration, because wind-force is limited, the aeration tank of reactor is limited to deeply 6 meters of 4 –, with this understanding, greatly limited the degree of depth and the capacity of aeration tank, in order to improve aeration tank capacity, just need to adopt area increased, cause the required floor space of aerobic treatment larger, a lot of enterprises all cannot provide enough aerobic lands used, and cause Waste Water Treatment to go wrong; In order to solve the problem of floor space, produce thus the aerobic equipment of conventional high tower, by increasing equipment, carried out increase capacity, after equipment increases, internal pressure strengthens, conventional blower fan blast aeration cannot meet equipment aeration needs, and the aeration mode conventionally adopting has two kinds: high pressure aeration oxygen supply and jet oxygen supply, and these two kinds of technology all need powerful aeration power, aerator is required strict, require aeration power large, cause energy consumption high, cost increases; Meanwhile, reactor needs special second pond carry out mud separation, and mud need adopt the problems such as additional measure refluxes, and energy consumption is high, and equipment is complicated, is not easy to safeguard.
As in February, 2014, the notification number of Granted publication on the 26th is the patent application of CN 203451280 U, discloses a kind of high tower internal recycle active sludge aerobic reactor, and it falls stream circulation tube top seal, and bottom is open, can not form pump around circuit; And aeration head stretches into from falling stream circulation tube top, stream circulation pipe range 8-10m, falls in the long 6-8m of aeration branch pipe, under the effect of powerful hydraulic pressure, need powerful aeration power, the pressure of aerating apparatus has been proposed to harsh requirement, greatly limited the application of conventional Aeration fan.
The patent of invention that the application number of and for example announcing on October 2nd, 2013 is 201310324284.5, a kind of three grades of circulation aerobic reactors have been announced, its aeration tube is arranged on the bottom of pond body, the pond height of pointing out in its specification sheets is generally known 16 meters of left and right, aerating system is had to higher requirement, the degree of depth of conventional blower fan aerating system is limited to 4-6 rice, and more harsh to the power requirement of aerating system, aeration cost and energy consumption are high.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, provide the requirement of a kind of aeration power low, adopt conventional blower fan air blast can realize effective aeration and the little tower self-circulation aerobic degradation reactor of floor space, this reactor can form inner circulating reflux effectively, effectively improve oxygen utilization rate, avoided by the unsettled problem of influent quality rangeability effluent quality excessive and that cause simultaneously.
Another object of the present invention is to provide a kind of and adopt above-mentioned tower self-circulation aerobic degradation reactor to carry out the method for aerobic degradation.
For realizing the technical scheme that object of the present invention adopts, be: a kind of tower self-circulation aerobic degradation reactor, comprise reactor body, described reactor body comprises the aerobic degradation district on top and the hypoxia response district of bottom, described hypoxia response district is provided with water inlet pipe, water distribution system and shore pipe, described water distribution system is evenly distributed on the bottom surface of described reactor body waste water, and form vertical upflowing fluidised form, the micro-pore aeration system that is connected with inlet pipe is set between described aerobic degradation district and described hypoxia response district, top, described aerobic degradation district is the plenum zone that is provided with gas trap, with the settling region being arranged on above described plenum zone, described settling region is provided with upcast and has the rising pipe of overflow weir, described upcast lower end is connected with described gas trap, upper end is connected with the air-water separation chamber that is arranged on described reactor body top, described air-water separation chamber bottom is provided with the center return line in straight-through described hypoxia response district, on described upcast and described return line, be provided with control valve.
Described upcast is a plurality of.
On described air-water separation chamber, be provided with venting hole or vapor pipe.
The bottom in the straight-through described hypoxia response of described center return line district.
Described micro-pore aeration system is arranged on 4-5 rice under the reactor water surface, in described inlet pipe, is provided with Aeration fan.
Described micro-pore aeration system comprises a plurality of aeration layers, and each aeration layer is all connected with some aeration heads by aeration branch pipe, and described aeration interlayer was communicated with by communicating pipe, and described communicating pipe is communicated with described inlet pipe.
In described reactor, the backflow of mud and Digestive system is self-circulation backflow model.
Described reactor, by regulation and control aeration rate and self-circulation amount, is realized the control to aeration rate and internal circulating load under different quality, the different water yield.
Adopt above-mentioned tower self-circulation aerobic degradation reactor to carry out a method for aerobic degradation, comprise the steps:
1) water inlet: contain organic waste water by the water distribution system of water inlet pipe and reactor bottom, be evenly distributed on the bottom surface of reactor, evenly mix with the sludge digestion liquid in hypoxia response district and form vertical upflowing fluidised form, simultaneously, larger molecular organics acidication in waste water becomes small molecules, nitric nitrogen in Digestive system carries out denitrification biological denitrogenation reaction, polyP bacteria carries out phosphorus release, and the sludge concentration in hypoxia response district is 15000～20000mg/L;
2) aeration oxygen supply: the mud waste water mixed solution after hypoxia response rises to aerating system place, the micro-pore aeration system arranging at reactor middle part by even air be distributed on cross section, reactor middle part, the abundant aeration of mixed solution that rising is come, mixed solution and air together rise in aerobic degradation district, in uphill process, the breeding of aerobic microbiological Fast Growth, organism in mixed solution is degraded in a large number, poly-phosphorus microorganism absorbs to excess phosphorus under aerobic environment from sewage, phosphorus is store in thalline with polymeric species, Nitrite bacteria is nitrous acid nitrogen by mineralized nitrogen, then by Nitrate bacteria, nitrous acid nitrogen is further oxidized to nitric nitrogen,
3) collection and confinement of gases and air lift: when mixed solution and air rise to the plenum zone on top, aerobic degradation district, residual gas collects and arrives by upcast the air-water separation chamber of reactor head through collector, and form airlift pump simultaneously, a large amount of muddy water mixed solutions are brought to the air-water separation chamber of reactor head, in the indoor gas-water separation of carrying out again of gas-water separation, residual gas enters in atmosphere;
4) mixed-liquor return: after muddy water mixed solution separates with residual gas in air-water separation chamber, be certainly back to the bottom of reactor by intermediate reflux pipe under the effect of gravity, mix with water inlet, continue to participate in reaction, formed the backflow certainly of sludge digestion liquid;
5) mud-water separation: the muddy water mixed solution after the separation of step 3) collection and confinement of gases, a part is entered air-water separation chamber and is refluxed by air lift, remainder continues upwards to flow into settling region, carry out mud-water separation, clear liquid after mud-water separation drains into subsequent processes system by having the rising pipe of overflow weir, mud falls after rise to the aerobic degradation district of reactor by self gravitation, again participates in organic degradation process.
Tower self-circulation aerobic degradation reactor of the present invention, by water inlet pipe and the water distribution system of reactor bottom, waste water is introduced equably to the hypoxia response district of reactor bottom, high concentration sludge with reactor bottom, Digestive system and the mixed solution refluxing by center return line, common mixing, reaction, rise, forming vertical uplift formula fluidised form moves upward, larger molecular organics acidication in waste water becomes small molecules, to be more conducive to the aerobic degradation in aerobic degradation district, simultaneously, the nitric nitrogen containing in the Digestive system in hypoxia response district carries out denitrification biological denitrogenation reaction, polyP bacteria carries out phosphorus release, during in order to aerobic reaction, excess is inhaled phosphorus, at 4-5 rice, underwater, mixed solution enters aerobic degradation district by micro-pore aeration system, now, the aerobic microbiological exposing to the sun in the mixed liquid of airborne oxygen absorbs, organism is degraded in a large number, meanwhile, and the breeding of aerobic microbiological Fast Growth, accelerate oxygen utilization, thereby effectively improve organic degradation rate and oxygen utilization rate.Meanwhile, the poly-phosphorus microorganism that carries out phosphorus release in anoxic section absorbs to excess phosphorus under aerobic environment from sewage, and phosphorus is store in thalline with polymeric species, forms high phosphorus sludge and discharges outside system.Simultaneously, under aerobic condition, Nitrite bacteria is nitrous acid nitrogen by mineralized nitrogen, then by Nitrate bacteria, nitrous acid nitrogen is further oxidized to nitric nitrogen, the hypoxia response district that the self-circulation of this nitric nitrogen by Digestive system is back to bottom carries out denitrification, realizes the running balance of self.
Carrying out along with reaction, mixed solution and gas move up to gas trap, in collector, surplus air is collected, and by upcast, surplus air is introduced to the air-water separation chamber at top, the air simultaneously rising forms airlift pump in upcast, a large amount of muddy water mixed solutions is introduced to the air-water separation chamber at top, carry out the separated of air and muddy water mixed solution gas-water separation is indoor, air enters atmosphere, muddy water mixed solution is back to the oxygen-starved area of reactor bottom by center return line, the self-circulation that realizes mud and Digestive system refluxes, and be the hypoxia response district of the bottom partial oxygen of taking, effectively to improve the utilization ratio of oxygen.
Through gas trap, by the muddy water mixed solution of air lift, do not continued to rise to settling region, because there is no the disturbance of gas, the sedimentation effect of mud in this region is good, can be rapidly and liquid separation, precipitation, and certainly flow back in the aerobic degradation district of reactor by self gravitation, again participate in organic degradation process, and clear liquid after mud-water separation drains into subsequent disposal system by having the rising pipe of overflow weir.
Tower self-circulation aerobic degradation reactor of the present invention, the anoxic of plumbness, aerobic segmentation reaction have effectively been realized, and except providing power by intake pump and Aeration fan, without equipment such as any mud, Digestive system reflux pumps, simultaneously, Aeration fan power requires low, adopts conventional gas blower, greatly reduces working cost and management difficulty.Tower self-circulation aerobic degradation reactor of the present invention, in operational process, can automatically form the special microorganism species in each district, by regulating influent quality, aeration rate, self-circulation amount etc., the running environment such as dissolved oxygen, sludge concentration, mixture strength and upflow velocity that can effectively control each district, make aerobic degradation organism reach best treatment effect.Because pump around circuit mixed solution is the lower liquid of pollutant load after treatment, therefore by the adjusting of internal circulating load, can effectively to fluctuations such as the PH of water inlet, COD concentration, toxicity, basicity, cushion, to avoid the mud in reactor to be subject to large impact, thereby greatly promote the capacity of resisting impact load of reactor.
Tower self-circulation aerobic degradation reactor of the present invention, the equipment of comparing other similar wastewater treatment mainly contains following advantage:
1. adopt conventional Aeration fan can realize aeration oxygen supply, increasing reactor useful volume, reduced floor space, improved land utilization ratio in, avoided increase power consumption, save working cost;
2. effectively realized and utilized after aerobic reaction surplus air as promoting power, muddy water mixed solution is promoted to air-water separation chamber, and then realize the self-circulation of sludge digestion liquid and reflux, simultaneously, when Digestive system is back to reactor bottom, the remaining dissolved oxygen of part is taken back to reactor bottom by phegma and recycle, effectively improved the utilization ratio of oxygen;
3. the mud in the application, by utilizing from reflux cycle at device interior, has been realized the running balance of self, and without increasing external motive device, effectively energy efficient, reduces costs;
4. can in the vertical height of reactor, automatically form rectilinear A/O section, the sludge concentration of bottom can realize high sludge quantity automatically, to the degraded of waste water, can keep stable, the large enhancing of capacity of resisting impact load.
Tower self-circulation aerobic reactor of the present invention can make oxygen utilization rate promote more than 30%, and floor space reduces more than 50%, and investment reduces more than 20%.The Sewage Treatment Project of going into operation our company in March, 2014 of take is example, sewage disposal is taken up an area 10 mu in the original plan, project scheduling investment 8,000,000, adopt after the application's tower self-circulation aerobic reactor, project floor space is effectively reduced to 6 mu, actual investment only 5,000,000, effectively saves floor occupying area 40%, reduces costs 37.5%.
Accompanying drawing explanation
Fig. 1 is tower self-circulation aerobic degradation reactor schematic diagram of the present invention;
Fig. 2 is the structural representation of water distribution system in the embodiment of the present invention one;
Fig. 3 is the structural representation of water distribution system in the embodiment of the present invention two.
Embodiment
Below in conjunction with specific embodiment, further describe the present invention.
Embodiment mono-
As shown in Figure 1: a kind of tower self-circulation aerobic degradation reactor, comprise reactor body, described reactor body comprises the hypoxia response district 10 of the 11He bottom, aerobic degradation district on top, described hypoxia response district 10 is provided with water inlet pipe 1, water distribution system 15 and shore pipe 9, described water distribution system 15 is spiral coil 16, described spiral coil 16 has certain gap between screw, the termination at described spiral coil 16 centers is sealed structure, described spiral coil 16 arranges some posticums that Open Side Down 17, waste water is evenly distributed on the bottom surface of described reactor body, and form vertical upflowing fluidised form, the micro-pore aeration system 14 that is connected with inlet pipe 2 is set between described aerobic degradation district 11 and described hypoxia response district 10, described micro-pore aeration system 14 is arranged on lower 4.5 meters of of the reactor water surface, in described inlet pipe 2, be provided with gas blower.
11 tops, described aerobic degradation district are to be provided with the plenum zone 12 of gas trap and to be arranged on described plenum zone 12 settling region 13 above, described settling region 13 is provided with upcast 3 and has the rising pipe 5 of overflow weir 4, described upcast 3 lower ends are connected with described gas trap, upper end is connected with the air-water separation chamber 7 that is arranged on described reactor body top, described air-water separation chamber 7 bottoms are provided with straight-through described hypoxia response district 10 center return line 8, on described shore pipe 9, described upcast 3 and described return line 8, are provided with control valve.
Described upcast 3 is a plurality of, can effectively improve air lift amount, improves backflow efficiency.
On described air-water separation chamber 7, be provided with venting hole 6.
The bottom in described center return line 8 straight-through described hypoxia response districts 10, the self-circulation that forms the backflow of mud and Digestive system refluxes, and mixes in time with water inlet, cushions, to avoid the mud in reactor to be subject to large impact, thereby greatly promote the capacity of resisting impact load of reactor.
Embodiment bis-
The present embodiment is with the difference part of embodiment mono-: described water distribution system 15 comprises a plurality of concentric cloth water rings 18, described cloth water ring 18 has some posticums that Open Side Down 17,18 of described adjacent cloth water rings connected by communicating pipe 19, and cloth water ring less in described communicating pipe 19 and adjacent two cloth water rings is tangent.Described outermost layer cloth water ring 18 is connected with described water inlet pipe 1.Described center return line 8 is through innermost layer cloth water ring 18.
Described micro-pore aeration system comprises a plurality of aeration layers, and each aeration layer is all connected with some aeration heads by aeration branch pipe, and described aeration interlayer was communicated with by communicating pipe, and described communicating pipe is communicated with described inlet pipe.On described air-water separation chamber 7, be provided with vapor pipe.
Embodiment tri-
Embodiment mono-or two tower self-circulation aerobic degradation reactor carry out a method for aerobic degradation, comprise the steps:
1) water inlet: contain organic waste water by the water distribution system of water inlet pipe and reactor bottom, be evenly distributed on the bottom surface of reactor, evenly mix with the sludge digestion liquid in hypoxia response district and form vertical upflowing fluidised form, simultaneously, larger molecular organics acidication in waste water becomes small molecules, nitric nitrogen in Digestive system carries out denitrification biological denitrogenation reaction, polyP bacteria carries out phosphorus release, and the sludge concentration in hypoxia response district is 15000～20000mg/L;
2) aeration oxygen supply: the mud waste water mixed solution after hypoxia response rises to aerating system place, the micro-pore aeration system arranging at reactor middle part by even air be distributed on cross section, reactor middle part, the abundant aeration of mixed solution that rising is come, mixed solution and air together rise in aerobic degradation district, in uphill process, the breeding of aerobic microbiological Fast Growth, organism in mixed solution is degraded in a large number, poly-phosphorus microorganism absorbs to excess phosphorus under aerobic environment from sewage, phosphorus is store in thalline with polymeric species, Nitrite bacteria is nitrous acid nitrogen by mineralized nitrogen, then by Nitrate bacteria, nitrous acid nitrogen is further oxidized to nitric nitrogen,
3) collection and confinement of gases and air lift: when mixed solution and air rise to the plenum zone on top, aerobic degradation district, residual gas collects and arrives by upcast the air-water separation chamber of reactor head through collector, and form airlift pump simultaneously, a large amount of muddy water mixed solutions are brought to the air-water separation chamber of reactor head, in the indoor gas-water separation of carrying out again of gas-water separation, residual gas enters in atmosphere;
4) mixed-liquor return: after muddy water mixed solution separates with residual gas in air-water separation chamber, be certainly back to the bottom of reactor by intermediate reflux pipe under the effect of gravity, mix with water inlet, continue to participate in reaction, formed the backflow certainly of sludge digestion liquid;
5) mud-water separation: the muddy water mixed solution after the separation of step 3) collection and confinement of gases, a part is entered air-water separation chamber and is refluxed by air lift, remainder continues upwards to flow into settling region, carry out mud-water separation, clear liquid after mud-water separation drains into subsequent processes system by having the rising pipe of overflow weir, mud falls after rise to the aerobic degradation district of reactor by self gravitation, again participates in organic degradation process.
Preferably, the organic waste water temperature that enters reactor is controlled at 20-25 degree Celsius, and oxygen utilization rate and organic removal rate are better.
Applicant adopts the tower self-circulation aerobic degradation reactor of embodiment bis-to carry out aerobic degradation, adopts respectively the sludge concentration of 15000 mg/L and 20000mg/L, to organic content, is COD
crthe factory effluent of 48000 mg/L is processed, adopt respectively the centigradetemperature of 15 ℃, 20 ℃, 25 ℃, 30 ℃, carry out 8 groups of tests, adopt conventional aerobic degradation equipment as a control group simultaneously, with final organic content and oxygen utilization rate foundation as a comparison, test-results is as following table:
By upper watch test data, can be found out, the more conventional aerobic equipment of tower self-circulation aerobic reactor of the present invention, can make oxygen utilization rate promote more than 30%, and special temperature is at 20-25 degree Celsius, oxygen utilization rate effectively improves 43-68%, and oxygen utilization rate is significantly improved.
Claims (9)
1. a tower self-circulation aerobic degradation reactor, comprise reactor body, it is characterized in that: described reactor body comprises the aerobic degradation district on top and the hypoxia response district of bottom, described hypoxia response district is provided with water inlet pipe, water distribution system and shore pipe, described water distribution system is evenly distributed on the bottom surface of described reactor body waste water, and form vertical upflowing fluidised form, the micro-pore aeration system that is connected with inlet pipe is set between described aerobic degradation district and described hypoxia response district, top, described aerobic degradation district is the plenum zone that is provided with gas trap, with the settling region being arranged on above described plenum zone, described settling region is provided with upcast and has the rising pipe of overflow weir, described upcast lower end is connected with described gas trap, upper end is connected with the air-water separation chamber that is arranged on described reactor body top, described air-water separation chamber bottom is provided with the center return line in straight-through described hypoxia response district, on described upcast and described return line, be provided with control valve.
2. tower self-circulation aerobic degradation reactor as claimed in claim 1, is characterized in that: described upcast is a plurality of.
3. tower self-circulation aerobic degradation reactor as claimed in claim 1, is characterized in that: on described air-water separation chamber, be provided with venting hole or vapor pipe.
4. tower self-circulation aerobic degradation reactor as claimed in claim 1, is characterized in that: the bottom in the straight-through described hypoxia response of described center return line district.
5. tower self-circulation aerobic degradation reactor as claimed in claim 1, is characterized in that: described micro-pore aeration system is arranged on 4-5 rice under the reactor water surface, in described inlet pipe, is provided with Aeration fan.
6. the tower self-circulation aerobic degradation reactor as described in claim 1 or 5, it is characterized in that: described micro-pore aeration system comprises a plurality of aeration layers, each aeration layer is all connected with some aeration heads by aeration branch pipe, described aeration interlayer was communicated with by communicating pipe, and described communicating pipe is communicated with described inlet pipe.
7. tower self-circulation aerobic degradation reactor as claimed in claim 1, is characterized in that: in described reactor, the backflow of mud and Digestive system is self-circulation backflow model.
8. tower self-circulation aerobic degradation reactor as claimed in claim 1, is characterized in that: described reactor, by regulation and control aeration rate and self-circulation amount, is realized the control to aeration rate and internal circulating load under different quality, the different water yield.
9. adopt above-mentioned tower self-circulation aerobic degradation reactor to carry out a method for aerobic degradation, it is characterized in that: it comprises the steps:
1) water inlet: contain organic waste water by the water distribution system of water inlet pipe and reactor bottom, be evenly distributed on the bottom surface of reactor, evenly mix with the sludge digestion liquid in hypoxia response district and form vertical upflowing fluidised form, simultaneously, larger molecular organics acidication in waste water becomes small molecules, nitric nitrogen in Digestive system carries out denitrification biological denitrogenation reaction, polyP bacteria carries out phosphorus release, and the sludge concentration in hypoxia response district is 15000～20000mg/L;
2) aeration oxygen supply: the mud waste water mixed solution after hypoxia response rises to aerating system place, the micro-pore aeration system arranging at reactor middle part by even air be distributed on cross section, reactor middle part, the abundant aeration of mixed solution that rising is come, mixed solution and air together rise in aerobic degradation district, in uphill process, the breeding of aerobic microbiological Fast Growth, organism in mixed solution is degraded in a large number, poly-phosphorus microorganism absorbs to excess phosphorus under aerobic environment from sewage, phosphorus is store in thalline with polymeric species, Nitrite bacteria is nitrous acid nitrogen by mineralized nitrogen, then by Nitrate bacteria, nitrous acid nitrogen is further oxidized to nitric nitrogen,
3) collection and confinement of gases and air lift: when mixed solution and air rise to the plenum zone on top, aerobic degradation district, residual gas collects and arrives by upcast the air-water separation chamber of reactor head through collector, and form airlift pump simultaneously, a large amount of muddy water mixed solutions are brought to the air-water separation chamber of reactor head, in the indoor gas-water separation of carrying out again of gas-water separation, residual gas enters in atmosphere;
4) mixed-liquor return: after muddy water mixed solution separates with residual gas in air-water separation chamber, be certainly back to the bottom of reactor by intermediate reflux pipe under the effect of gravity, mix with water inlet, continue to participate in reaction, formed the backflow certainly of sludge digestion liquid;
5) mud-water separation: the muddy water mixed solution after the separation of step 3) collection and confinement of gases, a part is entered air-water separation chamber and is refluxed by air lift, remainder continues upwards to flow into settling region, carry out mud-water separation, clear liquid after mud-water separation drains into subsequent processes system by having the rising pipe of overflow weir, mud falls after rise to the aerobic degradation district of reactor by self gravitation, again participates in organic degradation process.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243730.4A CN104016479B (en) | 2014-06-04 | 2014-06-04 | A kind of tower self-loopa aerobic degradation reactor and aerobic degradation method thereof |
| CN201610428935.9A CN105836889B (en) | 2014-06-04 | 2014-06-04 | A kind of tower aerobic degradation reactor |
| CN201610428897.7A CN105948238B (en) | 2014-06-04 | 2014-06-04 | A kind of tower self-loopa aerobic degradation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243730.4A CN104016479B (en) | 2014-06-04 | 2014-06-04 | A kind of tower self-loopa aerobic degradation reactor and aerobic degradation method thereof |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610428935.9A Division CN105836889B (en) | 2014-06-04 | 2014-06-04 | A kind of tower aerobic degradation reactor |
| CN201610428897.7A Division CN105948238B (en) | 2014-06-04 | 2014-06-04 | A kind of tower self-loopa aerobic degradation reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104016479A true CN104016479A (en) | 2014-09-03 |
| CN104016479B CN104016479B (en) | 2016-05-11 |
Family
ID=51433539
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410243730.4A Expired - Fee Related CN104016479B (en) | 2014-06-04 | 2014-06-04 | A kind of tower self-loopa aerobic degradation reactor and aerobic degradation method thereof |
| CN201610428935.9A Expired - Fee Related CN105836889B (en) | 2014-06-04 | 2014-06-04 | A kind of tower aerobic degradation reactor |
| CN201610428897.7A Expired - Fee Related CN105948238B (en) | 2014-06-04 | 2014-06-04 | A kind of tower self-loopa aerobic degradation reactor |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610428935.9A Expired - Fee Related CN105836889B (en) | 2014-06-04 | 2014-06-04 | A kind of tower aerobic degradation reactor |
| CN201610428897.7A Expired - Fee Related CN105948238B (en) | 2014-06-04 | 2014-06-04 | A kind of tower self-loopa aerobic degradation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN104016479B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923771A (en) * | 2016-06-17 | 2016-09-07 | 华北水利水电大学 | Self-circulation biological denitrification reactor |
| CN106966504A (en) * | 2017-05-19 | 2017-07-21 | 陈佳霖 | A kind of lamination micro unit biochemical treating tank and its workflow |
| CN108467107A (en) * | 2018-04-12 | 2018-08-31 | 南宁绿智环保科技有限公司 | A kind of aerobic particle mud sequencing batch reactor and its working method |
| CN108467105A (en) * | 2018-04-12 | 2018-08-31 | 南宁绿智环保科技有限公司 | A kind of denitrogenation aerobic particle mud continuous flow type reactor and its working method |
| CN108623001A (en) * | 2018-04-12 | 2018-10-09 | 南宁绿智环保科技有限公司 | A kind of denitrogenation aerobic particle mud sequencing batch reactor and its working method |
| CN108928922A (en) * | 2018-07-19 | 2018-12-04 | 池州学院 | One kind is unpowered interior circulation biochemical reaction precipitator tower and its workflow |
| CN113526685A (en) * | 2021-08-02 | 2021-10-22 | 钱文正 | Method for invisible cod, high ammonia nitrogen resistance and rapid ammonia nitrogen degradation |
| CN115108631A (en) * | 2021-03-17 | 2022-09-27 | 帕克环保技术(上海)有限公司 | Aerobic reactor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108467106B (en) * | 2018-04-12 | 2024-01-30 | 桂林润智环保有限公司 | Aerobic granular sludge continuous flow type reactor and working method thereof |
| CN116040839A (en) * | 2022-12-08 | 2023-05-02 | 广州华科环保工程有限公司 | Sewage treatment tank capable of rapidly removing nitrogen and phosphorus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580326A (en) * | 2009-06-23 | 2009-11-18 | 大连春兴水处理科技发展有限公司 | Multistage tower type method for treating sewage |
| CN202400904U (en) * | 2011-12-22 | 2012-08-29 | 南京海益环保工程有限公司 | Denitrification-dephosphorization water purifier |
| CN203079751U (en) * | 2013-02-05 | 2013-07-24 | 王利 | Internal circulation A-O biological denitrogenation reactor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6733662B2 (en) * | 2001-02-23 | 2004-05-11 | V.A.I. Ltd. | Methods and apparatus for biological treatment of waste waters |
| CN100473616C (en) * | 2007-03-28 | 2009-04-01 | 南京大学 | Overlay sewage biochemical reactor |
| CN202744368U (en) * | 2012-06-21 | 2013-02-20 | 中国石油天然气股份有限公司 | Iron-carbon micro-electrolysis device for treating wastewater |
-
2014
- 2014-06-04 CN CN201410243730.4A patent/CN104016479B/en not_active Expired - Fee Related
- 2014-06-04 CN CN201610428935.9A patent/CN105836889B/en not_active Expired - Fee Related
- 2014-06-04 CN CN201610428897.7A patent/CN105948238B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580326A (en) * | 2009-06-23 | 2009-11-18 | 大连春兴水处理科技发展有限公司 | Multistage tower type method for treating sewage |
| CN202400904U (en) * | 2011-12-22 | 2012-08-29 | 南京海益环保工程有限公司 | Denitrification-dephosphorization water purifier |
| CN203079751U (en) * | 2013-02-05 | 2013-07-24 | 王利 | Internal circulation A-O biological denitrogenation reactor |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923771A (en) * | 2016-06-17 | 2016-09-07 | 华北水利水电大学 | Self-circulation biological denitrification reactor |
| CN106966504A (en) * | 2017-05-19 | 2017-07-21 | 陈佳霖 | A kind of lamination micro unit biochemical treating tank and its workflow |
| CN108467107A (en) * | 2018-04-12 | 2018-08-31 | 南宁绿智环保科技有限公司 | A kind of aerobic particle mud sequencing batch reactor and its working method |
| CN108467105A (en) * | 2018-04-12 | 2018-08-31 | 南宁绿智环保科技有限公司 | A kind of denitrogenation aerobic particle mud continuous flow type reactor and its working method |
| CN108623001A (en) * | 2018-04-12 | 2018-10-09 | 南宁绿智环保科技有限公司 | A kind of denitrogenation aerobic particle mud sequencing batch reactor and its working method |
| CN108467107B (en) * | 2018-04-12 | 2024-01-30 | 桂林润智环保有限公司 | Aerobic granular sludge sequencing batch reactor and working method thereof |
| CN108467105B (en) * | 2018-04-12 | 2024-02-06 | 广西玉林市大智环保工程有限公司 | Continuous flow type reactor for denitrification aerobic granular sludge and working method thereof |
| CN108623001B (en) * | 2018-04-12 | 2024-02-06 | 广西玉林市大智环保工程有限公司 | Denitrification aerobic granular sludge sequencing batch reactor and working method thereof |
| CN108928922A (en) * | 2018-07-19 | 2018-12-04 | 池州学院 | One kind is unpowered interior circulation biochemical reaction precipitator tower and its workflow |
| CN115108631A (en) * | 2021-03-17 | 2022-09-27 | 帕克环保技术(上海)有限公司 | Aerobic reactor |
| CN115108631B (en) * | 2021-03-17 | 2023-12-05 | 帕克环保技术(上海)有限公司 | Aerobic reactor |
| CN113526685A (en) * | 2021-08-02 | 2021-10-22 | 钱文正 | Method for invisible cod, high ammonia nitrogen resistance and rapid ammonia nitrogen degradation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105948238B (en) | 2019-02-26 |
| CN104016479B (en) | 2016-05-11 |
| CN105836889A (en) | 2016-08-10 |
| CN105836889B (en) | 2019-02-26 |
| CN105948238A (en) | 2016-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105948238B (en) | A kind of tower self-loopa aerobic degradation reactor | |
| CN101514064B (en) | Biological denitrification device of sequencing batch internal circulation biological denitrification process | |
| CN102557353B (en) | Two-segment aerobic-anaerobic ammonia oxidization reactor | |
| CN104944684B (en) | Semi-hitrosation-Anammox combination type reactor and reaction process thereof and system | |
| CN100469718C (en) | Equipment and method for treating wastewater difficult to be degraded by biology method of hydrolysis composite membrane | |
| CN107585974B (en) | Sewage treatment method based on MBBR (moving bed biofilm reactor) process | |
| CN109133337B (en) | Method for cultivating and domesticating aerobic granular sludge of continuous flow aerobic granular sludge cultivation and preparation reaction device | |
| CN101767876B (en) | Anaerobic-anoxic-hypoxic integrated reactor and application thereof | |
| CN103964633B (en) | Integrated bioreactor and reaction process thereof | |
| CN101973678A (en) | Bioaugmentation treatment technology of high ammonia nitrogen wastewater | |
| CN100410189C (en) | Nitration denitrification integral type sewage denitrification biomembrane reactor | |
| CN109264864A (en) | A kind of " main-auxiliary " activated sludge process coupling deodorization and intensified denitrification and dephosphorization | |
| CN109160606A (en) | A kind of method of municipal sewage methane phase and efficient advanced nitrogen | |
| CN105923771B (en) | A kind of self-loopa biological denitrification reactor | |
| CN101857334A (en) | Sewage treatment device and sewage treatment process thereof | |
| CN206970300U (en) | Nitrification liquid reflux and biological reaction pool for biological reaction pool | |
| CN203513359U (en) | Integrated bioreactor for treating industrial wastewater and domestic wastewater | |
| CN105601025A (en) | Culture wastewater efficient degrading and denitrifying treatment system and treatment method thereof | |
| CN105174642A (en) | Efficient biological denitrification method for sewage | |
| CN110171904A (en) | Based on continuous flow AAO dephosphorization and part denitrogenation series hybrid fixed biofilm activated sludge autotrophic denitrification device and method | |
| CN102642925B (en) | Annular aeration biological filter sewage low carbon treatment reactor | |
| CN103693818B (en) | Coking wastewater biochemical treatment and sedimentation tank | |
| CN103641240A (en) | Partial-nitrosation-anammox integrated reactor | |
| CN203959922U (en) | A kind of tower self-circulation aerobic degradation reactor | |
| CN106045026A (en) | Anaerobic-facultative up-flow reactor based landfill leachate treatment method and equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20180604 |