CN104016479B - A kind of tower self-loopa aerobic degradation reactor and aerobic degradation method thereof - Google Patents
A kind of tower self-loopa aerobic degradation reactor and aerobic degradation method thereof Download PDFInfo
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- CN104016479B CN104016479B CN201410243730.4A CN201410243730A CN104016479B CN 104016479 B CN104016479 B CN 104016479B CN 201410243730 A CN201410243730 A CN 201410243730A CN 104016479 B CN104016479 B CN 104016479B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/22—Activated sludge processes using circulation pipes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
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- 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
Abstract
The invention discloses a kind of tower self-loopa aerobic degradation reactor, 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 juice and the mixed liquor refluxing by center return duct, common mixing, reaction, rise, forming vertical lifting formula fluidised form moves upward, and except providing power by intake pump and Aeration fan, without any mud, the equipment such as digestive juice reflux pump, simultaneously, Aeration fan power requires low, adopt conventional air blast, greatly reduce operating cost and management difficulty.
Description
Technical field
The present invention relates to aerobe treatment facility technical field, more specifically, relate to aerobic the falling of a kind of tower self-loopaSeparate reactor and aerobic degradation method thereof.
Background technology
Aerobe treatment technology is to make good use of oxygen animalcule to carry out biological metabolism to fall under the condition that has oxygen to existSeparate organic matter, make its stable, innoxious processing method. Microorganism utilizes the organic pollution that exists in water to carry out for substrateOxygen metabolism, through a series of biochemical reaction, releases energy step by step, finally settles out with the inorganic matter of low energy position, reaches nothingThe requirement of evilization.
The application of technology that Aerobic Process for Treatment has developed at present is very extensive, but due to the restriction of oxygen supply mode, adopts traditional windMachine blast aeration, because wind-force is limited, is limited to 6 meters of 4 – the aeration tank of reactor deeply, with this understanding, has greatly limitedThe degree of depth of aeration tank and capacity, in order to improve aeration tank capacity, just need to adopt area increased, causes required the accounting for of Aerobic Process for TreatmentGround area is larger, and a lot of enterprises all cannot provide enough aerobic lands used, and cause Waste Water Treatment to go wrong; For understandingCertainly the problem of floor space, has produced the aerobic equipment of conventional high tower thus, carrys out increase capacity by increasing equipment, and equipment increasesGao Hou, internal pressure strengthens, and conventional blower fan blast aeration cannot meet equipment aeration needs, and the aeration mode conventionally adopting hasTwo kinds: high pressure aeration oxygen supply and jet oxygen supply, these two kinds of technology all need powerful aeration power, aerator are required tightLattice, require aeration power large, cause energy consumption high, and cost increases; Meanwhile, reactor needs special second pond to carry out mud and divideFrom, and mud need adopt the problems such as additional measure refluxes, and energy consumption is high, and equipment complexity, is not easy to safeguard.
As the notification number patent application that is CN203451280U of Granted publication on the 26th February in 2014, one is disclosedCirculating active sludge aerobic reactor in high tower, it falls stream circulation pipe top seal, and bottom is open, can not form and loop backStream; And aeration head stretches into from falling stream circulation pipe top, and the long 6-8m of aeration branch pipe, falls and flow circulation pipe range 8-10m, at powerful hydraulic pressureUnder effect, need powerful aeration power, the pressure of aerator has been proposed to harsh requirement, greatly limited routine and exposed to the sunThe application of gas blower fan.
The patent of invention that the application number of and for example announcing on October 2nd, 2013 is 201310324284.5, has announced a kind of threeLevel circulation aerobic reactor, its aeration tube is arranged on the bottom of pond body, by the pond height of pointing out in its description generally at 16 metersLeft and right is known, and aerating system is had to higher requirement, and the degree of depth of conventional blower fan aerating system is limited to 4-6 rice, to aerating systemPower require more harsh, 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 blastCan realize the tower self-loopa aerobic degradation reactor that effective aeration and floor space are little, this reactor can form effectivelyInner circulating reflux, effectively improves oxygen utilization rate, has avoided water outlet water excessive by influent quality amplitude of variation and that cause simultaneouslyThe unsettled problem of matter.
Another object of the present invention is to provide a kind of and adopt above-mentioned tower self-loopa aerobic degradation reactor to carry out aerobic fallingThe method of separating.
For realizing the technical scheme that object of the present invention adopts be: a kind of tower self-loopa aerobic degradation reactor, bagDraw together reactor body, described reactor body comprises the aerobic degradation district on top and the hypoxia response district of bottom, and described anoxic is anti-Answer district to be provided with water inlet pipe, water distribution system and discharge pipeline, described water distribution system makes waste water be evenly distributed in described reactor originallyOn the bottom surface of body, and form vertical up flow type fluidised form, between described aerobic degradation district and described hypoxia response district, arrange and be connected withThe micro-pore aeration system of air inlet pipe, top, described aerobic degradation district is be provided with the plenum zone of gas collector and arrangeSettling zone on described plenum zone, described settling zone is provided with tedge and has the outlet pipe of downflow weir, described inTedge lower end is connected with described gas collector, upper end and be arranged on described reactor body top air-water separation chamber connectConnect, described air-water separation chamber bottom is provided with the center return duct in straight-through described hypoxia response district, described tedge and described timeOn stream pipe, be provided with control valve.
Described tedge is multiple.
On described air-water separation chamber, be provided with steam vent or blast pipe.
The bottom in the straight-through described hypoxia response of described center return duct district.
Described micro-pore aeration system is arranged on 4-5 rice under the reactor water surface, in described air inlet pipe, is provided with Aeration fan.
Described micro-pore aeration system comprises multiple aeration layers, and each aeration layer is all connected with some aerations by aeration branch pipeHead, described aeration interlayer was communicated with by communicating pipe, and described communicating pipe is communicated with described air inlet pipe.
In described reactor, the backflow of mud and digestive juice is self-loopa backflow model.
Described reactor is by regulation and control aeration rate and self-loopa amount, realize aeration rate under different quality, the different water yield andThe control of internal circulating load.
Adopt above-mentioned tower self-loopa 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 inOn the bottom surface of reactor, evenly mix with the sludge digestion liquid in hypoxia response district and form vertical up flow type fluidised form, meanwhile, uselessLarger molecular organics hydrolysis acidification in water becomes little molecule, and the nitrate nitrogen in digestive juice carries out denitrification biological denitrogenation reaction, poly-Phosphorus bacterium 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 liquor after hypoxia response rises to aerating system place, in reactorThe micro-pore aeration system that portion arranges is evenly distributed in air on cross section, reactor middle part, to rising and the mixed liquor coming is abundantAeration, mixed liquor and air together rise in aerobic degradation district, and in uphill process, the breeding of aerobic microbiological Fast Growth, willOrganic matter in mixed liquor is degraded in a large number, and poly-phosphorus microorganism absorbs phosphorus to excess under aerobic environment from sewage, by phosphorus to gatherClose form and store in thalline, nitrite bacteria is nitrous acid nitrogen by mineralized nitrogen, then by nitrate bacteria, nitrous acid nitrogen is entered to oneStep is oxidized to nitrate nitrogen;
3) gas collection and air lift: when mixed liquor and air rise to the plenum zone on top, aerobic degradation district, residueGas collects and arrives by tedge the air-water separation chamber of reactor head through collector, and forms 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, residueGas enters in atmosphere;
4) mixed-liquor return: after muddy water mixed solution separates with residual gas in air-water separation chamber, under the effect of gravity, is mixed with water inlet from being back to the bottom of reactor by intermediate reflux pipe, continues to participate in reaction, formed sludge digestion liquid certainlyReflux;
5) mud-water separation: the muddy water mixed solution after step 3) gas collection separates, a part enters gas by air liftWater separation chamber also refluxes, and remainder continues upwards to flow into settling zone, carries out mud-water separation, and the clear liquid after mud-water separation is logicalCross the outlet pipe with downflow weir and drain into subsequent processes system, mud falls the aerobic degradation to reactor after rise by self gravitationIn district, again participate in organic degradation process.
Tower self-loopa aerobic degradation reactor of the present invention, by water inlet pipe and the water distribution system of reactor bottom, willWaste water is introduced the hypoxia response district of reactor bottom equably, with high concentration sludge, the digestive juice of reactor bottom and in passing throughThe mixed liquor that heart return duct refluxes, common mixes, reaction, rises, and forms vertical lifting formula fluidised form and moves upward, large in waste waterThe acidifying of molecule hydrolysis of organic matter becomes little molecule, to be more conducive to the aerobic degradation in aerobic degradation district, meanwhile, anoxic is anti-Answer that the nitrate nitrogen containing in the digestive juice in district carries out denitrification biological denitrogenation reaction, polyP bacteria carries out phosphorus release, in order to aerobic anti-Seasonable excess is inhaled phosphorus; At 4-5 rice, underwater, mixed liquor enters aerobic degradation district by micro-pore aeration system, now, exposes to the sun into skyAerobic microbiological in the mixed liquid of oxygen in gas absorbs, and organic matter is degraded in a large number, meanwhile, and the fast fast-growing of aerobic microbiologicalLong breeding, accelerates oxygen utilization, thereby effectively improves organic degradation rate and oxygen utilization rate. Meanwhile, enter in anoxic sectionThe poly-phosphorus microorganism that row phosphorus discharges absorbs to excess phosphorus under aerobic environment from sewage, and phosphorus is store at thalline with polymeric speciesIn, form high phosphorus sludge and discharge outside system. Meanwhile, under aerobic condition, nitrite bacteria is nitrous acid by mineralized nitrogenNitrogen, is then further oxidized to nitrate nitrogen by nitrate bacteria by nitrous acid nitrogen, and this nitrate nitrogen refluxes by the self-loopa of digestive juiceHypoxia response district to bottom carries out denitrification, realizes the dynamic equilibrium of self.
Along with reaction carrying out, mixed liquor and gas move up to gas collector, in collector by surplus airCollect, and by tedge, surplus air is introduced to the air-water separation chamber at top, the air simultaneously rising is in tedgeForm airlift pump, a large amount of muddy water mixed solutions is introduced to the air-water separation chamber at top, at indoor air and the mud of carrying out of gas-water separationThe separation of water mixed liquid, air enters atmosphere, and muddy water mixed solution is back to the anoxic zone of reactor bottom by center return duct,The self-loopa that realizes mud and digestive juice refluxes, and for the hypoxia response district of the bottom partial oxygen of taking, effectively to improve the profit of oxygenBy rate.
Do not continued to rise to settling zone by the muddy water mixed solution of air lift through gas collector, because there is no the disturbance of gas, dirtThe sedimentation effect of mud in this region is good, can be rapidly and fluid separation applications, precipitation, and by self gravitation from flowing back to reactorIn aerobic degradation district, again participate in organic degradation process, and clear liquid after mud-water separation is by having the water outlet of downflow weirPipe drains into subsequent treatment system.
Tower self-loopa aerobic degradation reactor of the present invention, has realized the anoxic of plumbness, aerobic segmentation effectivelyReaction, and except providing power by intake pump and Aeration fan, without equipment such as any mud, digestive juice reflux pumps,Meanwhile, Aeration fan power requires low, adopts conventional air blast, greatly reduces operating cost and management difficulty. ThisBright tower self-loopa aerobic degradation reactor can automatically form the special microorganism species in each district, by adjusting in runningSave influent quality, aeration rate, self-loopa amount etc., can effectively control dissolved oxygen, sludge concentration, mixing intensity and the upwelling in each districtThe running environment such as speed, make aerobic degradation organic matter reach best treatment effect. Because circulating reflux mixed liquor is dirty after treatmentDye the liquid that thing content is lower, therefore by the adjusting of internal circulating load, can be effectively to ripples such as the PH of intaking, COD concentration, toxicity, basicityMoving buffering, to avoid the mud in reactor to be subject to large impact, thereby promotes the anti-shock loading energy of reactor greatlyPower.
Tower self-loopa aerobic degradation reactor of the present invention, the equipment of comparing other similar wastewater treatment mainly contains followingAdvantage:
1. adopt conventional Aeration fan can realize aeration oxygen supply, increasing reactor dischargeable capacity, reducing occupation of land faceLong-pending, when improving land utilization ratio, avoided increase power consumption, save operating cost;
2. effectively realized and utilized surplus air after aerobic reaction as promoting power, muddy water mixed solution to be promoted to gasWater separation chamber, and then realize the self-loopa of sludge digestion liquid and reflux, meanwhile, when digestive juice is back to reactor bottom, by surplus partRemaining dissolved oxygen is taken back reactor bottom by phegma and is recycled, and has effectively improved the utilization rate of oxygen;
Mud in the application by device interior from reflux cycle utilization, realized the dynamic equilibrium of self, nothingNeeding increases external motive device, effectively saves energy consumption, reduces costs;
4. can be in the vertical height of reactor, automatically form rectilinear A/O section, the sludge concentration of bottom can be certainlyMove and realize high sludge quantity, can keep stable to the degraded of waste water, the large enhancing of capacity of resisting impact load.
Tower self-loopa aerobic reactor of the present invention can make oxygen utilization rate promote more than 30%, and floor space reduces 50%Above, investment reduces more than 20%. The Sewage Treatment Project of going into operation taking our company in March, 2014 is as example, sewage disposal in the original planTake up an area 10 mu, project plan investment 8,000,000, adopts after the application's tower self-loopa aerobic reactor, and project floor space hasEffect is reduced to 6 mu, and actual investment only 5,000,000, effectively saves floor occupying area 40%, reduces costs 37.5%.
Brief description of the drawings
Fig. 1 is tower self-loopa 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.
Detailed description of the invention
Further describe the present invention below in conjunction with specific embodiment.
Embodiment mono-
As shown in Figure 1: a kind of tower self-loopa aerobic degradation reactor, comprises reactor body, described reactor bodyComprise the aerobic degradation district 11 on top and the hypoxia response district 10 of bottom, described hypoxia response district 10 is provided with water inlet pipe 1, water distributionSystem 15 and discharge pipeline 9, described water distribution system 15 is spiral coil 16, described spiral coil 16 has between certain spiralGap, the termination at described spiral coil 16 centers is hermetically-sealed construction, described spiral coil 16 arranges some going out that Open Side DownWater hole 17, is evenly distributed on the bottom surface of described reactor body waste water, and forms vertical up flow type fluidised form, described aerobicThe micro-pore aeration system 14 that is connected with air inlet pipe 2, described micro-pore aeration are set between degraded district 11 and described hypoxia response district 10System 14 is arranged on lower 4.5 meters of of the reactor water surface, in described air inlet pipe 2, is provided with air blast.
11 tops, described aerobic degradation district are be provided with the plenum zone 12 of gas collector and be arranged on described gasCollecting region 12 settling zone 13 above, described settling zone 13 is provided with tedge 3 and has the outlet pipe 5 of spout hole 4, described onRiser 3 lower ends are connected with described gas collector, upper end and the air-water separation chamber 7 that is arranged on described reactor body top connectConnect, described air-water separation chamber 7 bottoms are provided with straight-through described hypoxia response district 10 center return duct 8, described discharge pipeline 9, instituteState on tedge 3 and described return duct 8 and be provided with control valve.
Described tedge 3 is multiple, can effectively improve air lift amount, improves backflow efficiency.
On described air-water separation chamber 7, be provided with steam vent 6.
The bottom in the straight-through described hypoxia response of described center return duct 8 districts 10, form mud and digestive juice backflow fromCirculating reflux, and mix in time with water inlet, cushion, to avoid the mud in reactor to be subject to large impact, thereby greatlyPromote 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 multiple concentric cloth water rings 18,Described cloth water ring 18 has some apopores that Open Side Down 17, and 18 of described adjacent cloth water rings connected by communicating pipe 19, instituteState cloth water ring less in communicating pipe 19 and adjacent two cloth water rings tangent. Described outermost layer cloth water ring 18 and described water inlet pipe 1Connect. Described center return duct 8 is through innermost layer cloth water ring 18.
Described micro-pore aeration system comprises multiple aeration layers, and each aeration layer is all connected with some aerations by aeration branch pipeHead, described aeration interlayer was communicated with by communicating pipe, and described communicating pipe is communicated with described air inlet pipe. On described air-water separation chamber 7, establishBe equipped with blast pipe.
Embodiment tri-
The tower self-loopa aerobic degradation reactor of embodiment mono-or two carries out a method for aerobic degradation, comprises as followsStep:
1) water inlet: contain organic waste water by the water distribution system of water inlet pipe and reactor bottom, be evenly distributed inOn the bottom surface of reactor, evenly mix with the sludge digestion liquid in hypoxia response district and form vertical up flow type fluidised form, meanwhile, uselessLarger molecular organics hydrolysis acidification in water becomes little molecule, and the nitrate nitrogen in digestive juice carries out denitrification biological denitrogenation reaction, poly-Phosphorus bacterium 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 liquor after hypoxia response rises to aerating system place, in reactorThe micro-pore aeration system that portion arranges is evenly distributed in air on cross section, reactor middle part, to rising and the mixed liquor coming is abundantAeration, mixed liquor and air together rise in aerobic degradation district, and in uphill process, the breeding of aerobic microbiological Fast Growth, willOrganic matter in mixed liquor is degraded in a large number, and poly-phosphorus microorganism absorbs phosphorus to excess under aerobic environment from sewage, by phosphorus to gatherClose form and store in thalline, nitrite bacteria is nitrous acid nitrogen by mineralized nitrogen, then by nitrate bacteria, nitrous acid nitrogen is entered to oneStep is oxidized to nitrate nitrogen;
3) gas collection and air lift: when mixed liquor and air rise to the plenum zone on top, aerobic degradation district, residueGas collects and arrives by tedge the air-water separation chamber of reactor head through collector, and forms 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, residueGas enters in atmosphere;
4) mixed-liquor return: after muddy water mixed solution separates with residual gas in air-water separation chamber, under the effect of gravity, is mixed with water inlet from being back to the bottom of reactor by intermediate reflux pipe, continues to participate in reaction, formed sludge digestion liquid certainlyReflux;
5) mud-water separation: the muddy water mixed solution after step 3) gas collection separates, a part enters gas by air liftWater separation chamber also refluxes, and remainder continues upwards to flow into settling zone, carries out mud-water separation, and the clear liquid after mud-water separation is logicalCross the outlet pipe with downflow weir and drain into subsequent processes system, mud falls the aerobic degradation to reactor after rise by self gravitationIn district, again participate in organic degradation process.
Preferably, the organic wastewater temperature that enters reactor is controlled at 20-25 degree Celsius, and oxygen utilization rate and organic matter goThe rate of removing is better.
Applicant adopts the tower self-loopa aerobic degradation reactor of embodiment bis-to carry out aerobic degradation, adopts respectivelyThe sludge concentration of 15000mg/L and 20000mg/L is COD to content of organicsCrThe factory effluent place of 48000mg/LReason, adopts respectively the Celsius temperature of 15 DEG C, 20 DEG C, 25 DEG C, 30 DEG C, carries out 8 groups of tests, adopts conventional aerobic degradation equipment simultaneouslyAs a control group, with final content of organics and oxygen utilization rate foundation as a comparison, result of the test is as following table:
Can be found out by upper watch test data, the more conventional aerobic equipment of tower self-loopa aerobic reactor of the present invention, canOxygen utilization rate is promoted more than 30%, and special temperature is at 20-25 degree Celsius, and oxygen utilization rate effectively improves 43-68%, oxygen profitSignificantly improved by rate.
Claims (8)
1. a tower self-loopa aerobic degradation reactor, comprises reactor body, it is characterized in that: described reactor body bagDraw together 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 rowMud pipe, described water distribution system is evenly distributed on the bottom surface of described reactor body waste water, and forms vertical up flow type streamState, arranges the micro-pore aeration system that is connected with air inlet pipe between described aerobic degradation district and described hypoxia response district, described aerobicDegraded top, district is to be provided with the plenum zone of gas collector and to be arranged on the settling zone above described plenum zone,Described settling zone is provided with tedge and has the outlet pipe of downflow weir, and described tedge lower end and described gas collector connectConnect, 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 straightThe center return duct in logical described hypoxia response district, in described reactor, the backflow of mud and digestive juice is self-loopa backflow mouldFormula, is provided with control valve on described tedge and described return duct.
2. tower self-loopa aerobic degradation reactor as claimed in claim 1, is characterized in that: described tedge is multiple.
3. tower self-loopa aerobic degradation reactor as claimed in claim 1, is characterized in that: on described air-water separation chamber, establishBe equipped with steam vent or blast pipe.
4. tower self-loopa aerobic degradation reactor as claimed in claim 1, is characterized in that: described center return duct is straight-throughThe bottom in described hypoxia response district.
5. tower self-loopa aerobic degradation reactor as claimed in claim 1, is characterized in that: described micro-pore aeration system is establishedPut 4-5 rice under the reactor water surface, in described air inlet pipe, be provided with Aeration fan.
6. the tower self-loopa aerobic degradation reactor as described in claim 1 or 5, is characterized in that: described micro-pore aeration isTurnkey is drawn together multiple aeration layers, and each aeration layer is all connected with some aeration heads by aeration branch pipe, and described aeration interlayer is by connectingSiphunculus is communicated with, and described communicating pipe is communicated with described air inlet pipe.
7. tower self-loopa aerobic degradation reactor as claimed in claim 1, is characterized in that: described reactor is by regulation and controlAeration rate and self-loopa amount, realize the control to aeration rate and internal circulating load under different quality, the different water yield.
8. a side that adopts tower self-loopa aerobic degradation reactor described in claim 1-7 any one to carry out aerobic degradationMethod, 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 in reactionOn the bottom surface of device, evenly mix with the sludge digestion liquid in hypoxia response district and form vertical up flow type fluidised form, meanwhile, in waste waterLarger molecular organics hydrolysis acidification become little molecule, the nitrate nitrogen in digestive juice carries out denitrification biological denitrogenation reaction, polyP bacteriaCarry out phosphorus release, the sludge concentration in hypoxia response district is 15000～20000mg/L;
2) aeration oxygen supply: the mud waste water mixed liquor after hypoxia response rises to aerating system place, establishes at reactor middle partThe micro-pore aeration system of putting is evenly distributed in air on cross section, reactor middle part, to rising and the mixed liquor coming fully exposes to the sunGas, mixed liquor and air together rise in aerobic degradation district, and in uphill process, the breeding of aerobic microbiological Fast Growth, will mixThe organic matter closing in liquid is degraded in a large number, and poly-phosphorus microorganism absorbs phosphorus to excess under aerobic environment from sewage, by phosphorus with polymerizationForm is store in thalline, and nitrite bacteria is nitrous acid nitrogen by mineralized nitrogen, then by nitrate bacteria by further nitrous acid nitrogenBe oxidized to nitrate nitrogen;
3) gas collection and air lift: when mixed liquor and air rise to the plenum zone on top, aerobic degradation district, residual gasCollect and arrive by tedge the air-water separation chamber of reactor head through collector, and form airlift pump simultaneously, will be largeAmount muddy water mixed solution brings to the air-water separation chamber of reactor head, at indoor gas-water separation, the residual gas of carrying out again of gas-water separationEnter in atmosphere;
4) mixed-liquor return: after muddy water mixed solution separates with residual gas in air-water separation chamber, under the effect of gravity byBetween return duct from being back to the bottom of reactor, mixes with water inlet, continue to participate in reacting, formed certainly returning of sludge digestion liquidStream;
5) mud-water separation: through step 3) muddy water mixed solution after gas collection separates, a part enters air water by air lift and dividesAlso reflux from chamber, remainder continues upwards to flow into settling zone, carries out mud-water separation, and the clear liquid after mud-water separation passes through toolHave the outlet pipe of downflow weir to drain into subsequent processes system, mud falls the aerobic degradation district to reactor after rise by self gravitationIn, again participate in organic degradation process.
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| CN201410243730.4A CN104016479B (en) | 2014-06-04 | 2014-06-04 | A kind of tower self-loopa aerobic degradation reactor and aerobic degradation method thereof |
| CN201610428897.7A CN105948238B (en) | 2014-06-04 | 2014-06-04 | A kind of tower self-loopa aerobic degradation reactor |
| CN201610428935.9A CN105836889B (en) | 2014-06-04 | 2014-06-04 | A kind of tower aerobic degradation reactor |
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| CN201610428935.9A Division CN105836889B (en) | 2014-06-04 | 2014-06-04 | A kind of tower aerobic degradation reactor |
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| 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 |
| 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 |
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| CN201610428897.7A Expired - Fee Related CN105948238B (en) | 2014-06-04 | 2014-06-04 | A kind of tower self-loopa aerobic degradation reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105923771B (en) * | 2016-06-17 | 2019-06-04 | 华北水利水电大学 | A kind of self-loopa 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
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| 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 |
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| EP1363857A2 (en) * | 2001-02-23 | 2003-11-26 | 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 microelectrolysis device for treating wastewater |
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2014
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- 2014-06-04 CN CN201610428897.7A patent/CN105948238B/en not_active Expired - Fee Related
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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 |
Also Published As
| Publication number | Publication date |
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| CN105948238B (en) | 2019-02-26 |
| CN105948238A (en) | 2016-09-21 |
| CN104016479A (en) | 2014-09-03 |
| CN105836889B (en) | 2019-02-26 |
| CN105836889A (en) | 2016-08-10 |
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