CN101723511A - Method for realizing vertical flow of A20 process of sewage treatment and structure thereof - Google Patents
Method for realizing vertical flow of A20 process of sewage treatment and structure thereof Download PDFInfo
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- CN101723511A CN101723511A CN200810217103A CN200810217103A CN101723511A CN 101723511 A CN101723511 A CN 101723511A CN 200810217103 A CN200810217103 A CN 200810217103A CN 200810217103 A CN200810217103 A CN 200810217103A CN 101723511 A CN101723511 A CN 101723511A
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Abstract
The invention relates to a method for realizing vertical flow of A20 process of sewage treatment and a structure thereof. The structure consists of an anoxic area, an anaerobic area, an aerobic area and a sediment area in accordance with three large stereostructure of concentric circle. A backflow seam is arranged on the outer wall of the anoxic area, and a lift agitator and an aerating apparatus are further arranged. Pools adopting the normal A20 process are organically integrated by a stereo way to realize backflow of water and active sludge through the lift agitator and the backflow seam, thereby realizing circulation of water and active sludge in anoxic, anaerobic, aerobic processes, achieving the purpose of removing BOD5, ammonia nitrogen, total nitrogen and total phosphorus without configuring two sets of reflux pumps the same as the normal A20 process and solving the problems that a plurality of pools of the normal A20 process are arranged, the structure is loose with large occupied area and a plurality of backflow lines and valves are needed. Sewage treatment engineering medium and small water yields can be very flexibly used, thereby improving the effluent quality and enlarging the application range of the A20 process.
Description
Technical field
The present invention relates to effluent treatment and filtering technology, specifically is a kind of vertical-flow A
2O technology is with conventional A
2The independent technology structures of each of O technology organically blend in a reaction tank, with conventional flat flow A
2O technology changes to the method and the structure of vertical stream mode.
Background technology
Sewage disposal is divided into two kinds of Organic pollutants sewage disposal and inorganic pollution sewage disposals, and the main removal thing of Organic pollutants sewage disposal is the BOD in the water
5, organic pollution materials such as ammonia nitrogen, total nitrogen, total phosphorus, and often be to contain these pollutents that exceed standard simultaneously in the sewage.
In these several pollution substances, BOD
5Need adopt aerobic process to absorb degraded with ammonia nitrogen by the active sludge in the water; Total nitrogen needs and will pass through an anoxic environment again through the sewage of aerobic treatment, removes by carrying out denitrification in the active sludge in this environment; The removal of total phosphorus then needs the active sludge in the water is circulated between aerobic, the anaerobic environment, microorganism in anaerobic environment in these active sludge discharges the phosphorus in its cell, in aerobic environment, then absorb phosphorus, the degree that discharges phosphorus in anaerobic environment is thorough more, absorbed dose to phosphorus when it is recycled to aerobic environment is big more, and is high more to the removal efficient of total phosphorus.To remove these pollutents simultaneously as can be seen, need in sewage treatment process, have anoxic, these three processes of anaerobic and aerobic, and sewage and active sludge are circulated in these three processes: removing total nitrogen mainly is that sewage circulates in anoxic, aerobic two processes, and the removal total phosphorus then mainly is that the microorganism in the active sludge is circulated in anaerobism, aerobic two processes.Concerning sewage disposal, realize simultaneously that this process is a more complicated, corresponding technology is called A
2O technology, be anoxic (A), anaerobism (A), the combination of aerobic (O) three processes, in actual applications, be to build three independently reaction tank and settling tanks respectively, pass through pipe connection between each pond, anoxic or anaerobic pond are foremost, Aerobic Pond is in the rear end, the water outlet part of Aerobic Pond flow to the reaction process that anoxic pond is removed total nitrogen by blowback, another part is through settling tank separated sludge (microorganism) and water, and the water of separating discharges, and mud (microorganism) flows to the reaction process that anaerobic pond is removed total phosphorus by blowback, in anoxic and anaerobic pond, establish stirrer under water, the water (mud) that refluxes and water inlet are stirred make its uniform mixing.
This A
2O technology is widely used in the municipal wastewater factory than big yield at present, effect is also better, but it is less in some water yield, in the limited environment of sewage disposal floor space, characteristics such as, structure many because of its structures disperseed, floor space is big, equipment is more (stirrer, reflux pump), external pipe is many have just become shortcoming, have limited the application of this technology; And on the other hand, the sewage disposal of the less water yield also never have a kind of suitable, can reach A
2The technology of O art breading effect.
Summary of the invention
The object of the present invention is to provide a kind of integrated three-dimensional arrangement, the vertical-flow A that equipment pipe is few
2O technology overcomes A
2The restriction that the O process application is handled in the medium and small water yield utilizes the castering action of whipping device to realize the backflow of water and active sludge between anoxic, anaerobism, aerobic link, reduces A
2The equipment pipe quantity of O technology.
Sewage disposal A of the present invention
2The vertical stream implementation method and the structure thereof of O technology, comprise the pond body, be arranged at lifting stirrer and aerating apparatus in the pond, the main invention characteristics of pond body structure are: the pond body is made up of by three big concentric(al) circles three-dimensional arrangement forms anoxic, anaerobism, aerobic, four zones of precipitation, oxygen-starved area and anaerobic zone are up and down, and structure is positioned in the middle of the body of pond, the oxygen-starved area below, anaerobic zone is up; Aerobic zone is in anoxic and anaerobic periphery; The settling region is in the periphery of aerobic zone, establishes the seam that refluxes between the partition wall of oxygen-starved area and settling region, aerobic zone and peripheral pond body; In oxygen-starved area and anaerobic zone, establish a machine mixer, establish aerating apparatus at aerobic zone.
The vertical stream A that utilizes above-mentioned pond body structure to realize
2O technology, it is characterized in that sewage at first enters the oxygen-starved area of whole pond body middle lower portion, mixes by machine mixer in the oxygen-starved area with the water that refluxes and active sludge and to carry out anoxic denitrification and react, and the stirring by stirrer is carried out the anaerobic phosphorus release reaction with the mixed solution of sewage and mud by the anaerobic zone that the oxygen-starved area is promoted to the top, peripheral aerobic aeration district and settling region are passed through in the water gravity flow of anaerobic zone successively, the water of part process aerobic aeration and precipitating sludge are back to oxygen-starved area and sewage water inlet hybrid reaction along the pool wall downslide under the dual function of gravity and oxygen-starved area stirrer stirring and pumping.So make water behind former water, the aerobic aeration, active sludge under the castering action of stirrer, between vertical structure cocycle and anoxic, anaerobism, aerobic environment, realize removing simultaneously BOD
5, ammonia nitrogen, total nitrogen and total phosphorus effect, the quantity of reflux of water and mud can be controlled by adjusting the rotating speed that the oxygen-starved area promotes stirrer.
The present invention is with conventional A
2Several ponds body of O technology adopts three-dimensional mode to organically blend together, promotes stirrer and the seam that refluxes by being provided with, and realizes the backflow of water and active sludge, does not need the conventional A of picture
2The stirrer that equally promptly is provided with of O technology is provided with two cover reflux pumps again, has also solved conventional A simultaneously
2O process pool body quantity is many, and the shortcoming more than the big and return line of loosely organized floor space, the valve quantity can be used the sewage treatment project with the medium and small water yield very flexibly, improves its effluent quality, and improves A greatly
2The use range of O technology.
Description of drawings
Fig. 1 is vertical stream A of the present invention
2O process pool body plan view from above;
Fig. 2 is vertical stream A of the present invention
2O process pool body sectional view;
Fig. 3, Fig. 4 are for realizing breaking away from the A that phosphorus is denitrogenated
2O sewage treatment process figure, i.e. two kinds of array configurations of anoxic (A), anaerobism (A), aerobic (O) three processes.
Each several part is among Fig. 1 and Fig. 2: former water water inlet pipe 1, and water inlet distributes district 2, and anoxic reaction zone 3 promotes mixer 4, anaerobism reaction zone 5, aeration reaction zone 6, aerator 7, settling zone 8, muddy water backflow seam 9, outlet pipe 10 after processing, excess sludge delivery pipe 11.
Be to have the A that dephosphorization is denitrogenated function among Fig. 3 and Fig. 42Two kinds of sewage disposal flow processs of O sewage disposal technology. The flow process main body is three independently reaction tank and sedimentation basins, connect by pipeline between each pond, anoxic or anaerobism pond are foremost, Aerobic Pond is in the rear end, the water outlet part of Aerobic Pond is removed the course of reaction of total nitrogen to the anoxic pond by pump reflux, another part is through sedimentation basin separated sludge (microorganism) and water, the water discharging of separating, mud (microorganism) flows to the course of reaction that total phosphorus is removed in the anaerobism pond by blowback, in anoxic and anaerobism pond, establish mixer under water, the water (mud) that refluxes and water inlet are stirred make its even mixing.
Embodiment
The present invention is further described below in conjunction with accompanying drawing.
With reference to Fig. 1-2, the present invention vertically flows A
2O technology, comprise the hypoxia response district 3 that is positioned at central lower, water inlet pipe 1 access place in hypoxia response district is provided with into water distribution zone 2, it above the hypoxia response district 3 anaerobic reaction district 5, promoting stirrer 4 is installed in hypoxia response district 3 and the anaerobic reaction district 5, the periphery in anaerobic reaction district 5 is aeration reaction zones 6, the bottom of reaction zone 6 is provided with aerating apparatus 7, the periphery of reaction zone 6 is settling regions 8, handle back rising pipe 10 and picked out by settling region 8, establish the seam 9 that refluxes on the exterior wall in hypoxia response district 3, this seam that refluxes is with hypoxia response district 3 and aeration reaction zone 6, settling region 8 is communicated with to get up, excess sludge discharge pipe 11 is established in bottom in hypoxia response district 3.
Should vertical stream A with a complete working cycle explanation
2The method that O technology realizes.Sewage water inlet pipe 1 enters in the hypoxia response district 3 uniformly by water inlet distribution zone 2, promoting stirrer 4 constantly stirs, water and mud thorough mixing that sewage in the water inlet pipe 1 is refluxed through the seam 9 that refluxes together, the water of this part backflow carries out the anoxic denitrification reaction in the anaerobic environment of reaction zone 3, remove the total nitrogen in the water; The effect of lifting is played in the stirring of stirrer 4 simultaneously, and blended muddy water is promoted to anaerobic reaction district 5 by hypoxia response district 3, and the active sludge that mixes in the muddy water carries out the anaerobic phosphorus release process in the anaerobic environment of reaction zone 5; After finishing the anaerobic phosphorus release process, mix the muddy water gravity flow and enter peripheral aeration reaction zone 6, the bottom of reaction zone 6 is provided with aerating apparatus 7, and the aeration that does not stop provides dissolved oxygen, mix muddy water and in the aerobic environment of reaction zone 6, carry out biooxidation reactions, with the BOD in the sewage
5Biological degradation becomes to remove, and the ammonia nitrogen in the sewage is oxidized into can be by the nitrate and the nitrite of anoxic denitrification process removal; The a part of settling region 8 that enters outermost that flows automatically of muddy water that carries out aerobic reaction in reaction zone 6 carries out mud-water separation, another part then promotes in hypoxia response district 3 under the lifting suction function of stirrer 4, is back to hypoxia response district 3 by the seam 9 that refluxes and carries out anti-nitration reaction; Muddy water in the settling region 8 separates under action of gravity, clear water is discharged by handling back rising pipe 10, mud then settles down and carries out hybrid reaction jointly by the seam 9 that the refluxes muddy water that the raw waste water that enters to come in water inlet pipe 1 in the hypoxia response district 3 and aeration reaction zone 6 return that refluxes, and repeating above working cycle, the excess sludge that the total system operation is produced is discharged by excess sludge discharge pipe 11.
Claims (6)
1. vertical-flow sewage disposal A
2O technology, comprise the pond body, be arranged at lifting stirrer and aerating apparatus in the pond, it is characterized in that: the pond body is made up of by three big concentric(al) circles three-dimensional arrangement forms anoxic, anaerobism, aerobic, four zones of precipitation, oxygen-starved area and anaerobic zone are up and down, and structure is positioned in the middle of the body of pond, the oxygen-starved area below, anaerobic zone is up; Aerobic zone is in anoxic and anaerobic periphery; The settling region is in the periphery of aerobic zone, is provided with the seam that refluxes between the partition wall of oxygen-starved area and settling region, aerobic zone and peripheral pond body; In oxygen-starved area and anaerobic zone, be provided with a machine mixer, be provided with aerating pipelines and device at aerobic zone.
2. according to the vertical-flow A of claim 1
2O technology is characterized in that: oxygen-starved area and anaerobic zone arrange that up and down aerobic zone is in the periphery of oxygen-starved area and anaerobic zone, and the settling region is in the periphery of aerobic zone, and whole pond body is three big concentric structures.
3. according to the vertical-flow A of claim 1
2O technology, it is characterized in that: in oxygen-starved area and anaerobic zone, be provided with a machine mixer, this stirrer has following effect: the former water of will intaking, aerobic recirculation water, the mixed uniformly effect of returned sluge are promoted to anaerobic zone with the mixed liquid in the oxygen-starved area simultaneously and realize the effect of internal recycle.
4. according to the vertical-flow A of claim 1
2O technology, it is characterized in that: between the partition wall of oxygen-starved area and settling region, aerobic zone and peripheral pond body, be provided with the seam that refluxes, the precipitating sludge of settling region and through the sewage of aerobic aeration by the seam that refluxes, by the suction function of oxygen-starved area stirrer, be back to the oxygen-starved area, with the mixed reaction of water inlet sewage.
5. sewage disposal A
2The vertical stream implementation method of O technology is characterized in that:
The water inlet of a, sewage and aeration recirculation water are mixed by machine mixer in the oxygen-starved area and carry out the anoxic denitrification reaction, and the anaerobic zone of the stirring by stirrer above the mixed solution of sewage and active sludge is promoted to by the oxygen-starved area carries out anaerobic phosphorus release and react;
The water of b, the sedimentary mud in settling region and part process aerobic aeration is back to oxygen-starved area and sewage water inlet hybrid reaction along the pool wall downslide under the dual function of gravity and oxygen-starved area stirrer stirring and pumping.
6. according to the vertical-flow A of claim 5
2O technology is characterized in that: sewage enters anaerobic zone by the stirring lifting of stirrer from the oxygen-starved area, flows into aerobic zone, settling region successively by flow by gravity again; Be back to the oxygen-starved area under precipitating sludge and the sewage dual function that stirrer aspirates in gravity and oxygen-starved area through aeration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810217103A CN101723511A (en) | 2008-10-28 | 2008-10-28 | Method for realizing vertical flow of A20 process of sewage treatment and structure thereof |
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|---|---|---|---|
| CN200810217103A CN101723511A (en) | 2008-10-28 | 2008-10-28 | Method for realizing vertical flow of A20 process of sewage treatment and structure thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030412A (en) * | 2010-11-05 | 2011-04-27 | 苏州市创新净化有限公司 | Rotary dephosphorization and denitrification membrane biological treatment device and technique method thereof |
| CN103626295A (en) * | 2013-12-13 | 2014-03-12 | 威海鸿润环保设备有限公司 | Sewage treatment equipment and process method |
| CN103880185A (en) * | 2014-04-19 | 2014-06-25 | 无锡博美环境工程有限公司 | Integrated A/O/MBBR (Moving Bed Biofilm Reactor) reactor |
| CN104418430A (en) * | 2013-09-06 | 2015-03-18 | 浦华环保有限公司 | Device and method for treating activated sludge wastewater |
| CN106745736A (en) * | 2016-12-15 | 2017-05-31 | 华北水利水电大学 | C CBR integral biologicals react sewage-treatment plant |
| CN109231708A (en) * | 2018-11-06 | 2019-01-18 | 北京城市排水集团有限责任公司 | A kind of distributing residents integrated sewage treating apparatus and its application method |
| CN109231496A (en) * | 2018-10-31 | 2019-01-18 | 瑞盛环境股份有限公司 | Oligodynamic equipment for treating household sewage |
| CN111777178A (en) * | 2020-05-26 | 2020-10-16 | 河南国威市政工程有限公司 | Vertical oxidation ditch micro-power water treatment system |
| CN112723545A (en) * | 2021-01-25 | 2021-04-30 | 武汉光谷环保科技股份有限公司 | Sludge self-refluxing structure and sewage treatment device and method |
| CN114604970A (en) * | 2022-05-11 | 2022-06-10 | 北京博汇特环保科技股份有限公司 | Improved A2O biochemical reaction system and sewage treatment method |
| CN115340185A (en) * | 2022-08-10 | 2022-11-15 | 广州华浩能源环保集团股份有限公司 | Integrated sewage treatment equipment and treatment method thereof |
-
2008
- 2008-10-28 CN CN200810217103A patent/CN101723511A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030412A (en) * | 2010-11-05 | 2011-04-27 | 苏州市创新净化有限公司 | Rotary dephosphorization and denitrification membrane biological treatment device and technique method thereof |
| CN104418430A (en) * | 2013-09-06 | 2015-03-18 | 浦华环保有限公司 | Device and method for treating activated sludge wastewater |
| CN103626295A (en) * | 2013-12-13 | 2014-03-12 | 威海鸿润环保设备有限公司 | Sewage treatment equipment and process method |
| CN103626295B (en) * | 2013-12-13 | 2015-08-26 | 威海鸿润环保设备有限公司 | Sewage disposal device and processing method |
| CN103880185A (en) * | 2014-04-19 | 2014-06-25 | 无锡博美环境工程有限公司 | Integrated A/O/MBBR (Moving Bed Biofilm Reactor) reactor |
| CN106745736A (en) * | 2016-12-15 | 2017-05-31 | 华北水利水电大学 | C CBR integral biologicals react sewage-treatment plant |
| CN109231496A (en) * | 2018-10-31 | 2019-01-18 | 瑞盛环境股份有限公司 | Oligodynamic equipment for treating household sewage |
| CN109231708A (en) * | 2018-11-06 | 2019-01-18 | 北京城市排水集团有限责任公司 | A kind of distributing residents integrated sewage treating apparatus and its application method |
| CN111777178A (en) * | 2020-05-26 | 2020-10-16 | 河南国威市政工程有限公司 | Vertical oxidation ditch micro-power water treatment system |
| CN111777178B (en) * | 2020-05-26 | 2022-07-05 | 河南国威市政工程有限公司 | Vertical oxidation ditch micro-power water treatment system |
| CN112723545A (en) * | 2021-01-25 | 2021-04-30 | 武汉光谷环保科技股份有限公司 | Sludge self-refluxing structure and sewage treatment device and method |
| CN112723545B (en) * | 2021-01-25 | 2023-10-27 | 武汉光谷环保科技股份有限公司 | Sludge self-backflow structure and sewage treatment device and method |
| CN114604970A (en) * | 2022-05-11 | 2022-06-10 | 北京博汇特环保科技股份有限公司 | Improved A2O biochemical reaction system and sewage treatment method |
| CN115340185A (en) * | 2022-08-10 | 2022-11-15 | 广州华浩能源环保集团股份有限公司 | Integrated sewage treatment equipment and treatment method thereof |
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Application publication date: 20100609 |