CN103183456A - Integrated anoxic-aerobic baffled reactor water treatment device - Google Patents
Integrated anoxic-aerobic baffled reactor water treatment device Download PDFInfo
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- CN103183456A CN103183456A CN201310146649XA CN201310146649A CN103183456A CN 103183456 A CN103183456 A CN 103183456A CN 201310146649X A CN201310146649X A CN 201310146649XA CN 201310146649 A CN201310146649 A CN 201310146649A CN 103183456 A CN103183456 A CN 103183456A
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Abstract
The invention relates to an integrated anoxic-aerobic baffled reactor water treatment device. The integrated anoxic-aerobic baffled reactor water treatment device comprises multiple stages of anoxic tanks (1), multiple stages of aerobic tanks (2), a precipitation tank (3), a water seal (10) and a control room (4), wherein the multiple stages of the anoxic tanks (1), the multiple stages of the aerobic tanks (2) and the precipitation tank (3) are sequentially connected through multiple groups of baffle plates (11); each tank body adopts a form of performing water inlet at the bottom and performing water outlet at the top, each group of the baffle plates is of two layers of plates and comprises an upper flow plate (26) and a lower flow plate (27); water passes through the top of each upper flow plate (26), and the water passes through the bottom of each lower flow plate (27); the water passing heights of the upper flow plates (26) are gradually reduced along the water flow direction; and part of the clear liquor in the precipitation tank is pumped from an inner reflux pump (20) to the first-stage anoxic tank (1), and the water and sludge at the bottom of the precipitation tank (3) are pumped from a sludge reflux pump (16) to the first-stage aerobic tank (2). The device has the advantages of high degree of integration, compact structure, simplicity and convenience in operation, stability in operation, good denitrification effect and the like.
Description
Technical field
The invention belongs to field of waste water treatment, distributing wastewater treatment equipment field specifically relates to a kind of integral type anaerobic-aerobic baffled reactor water treatment device especially on a small scale.
Background technology
In recent years, along with the fast development of industrial or agricultural, China's water surrounding is subjected to serious destruction.China Environmental State Bulletin was pointed out in 2011, and national surface water totally presents slight pollution, and lake (reservoir) eutrophication problem is outstanding.In 46 state's control sections of the Changjiang river, the Yellow River, the Zhujiang River, Song Hua River, Huaihe River, Haihe River, the Liaohe River, sheet river, Fujian, Zhejiang, southwestern all rivers and the ten big water system monitorings of landlocked all rivers, I～III class, IV～V class and bad V class water quality section ratio are respectively 61.0%, 25.3% and 13.7%, and wherein nitrogen-containing pollutant exceeds standard very general.Pollution of area source is to cause surface water nitrogen content one of the major reason of bringing out the eutrophication phenomenon that exceeds standard.For example, the waste water that the Dian Chi distributed agricultural of periphery and aquaculture produce directly is disposed in the Dian Chi without collection and treatment, causes lake water water quality totally to be in bad V class, and the wawter bloom phenomenon takes place frequently.Therefore develop the distributing water treatment device, particularly have the distributing water treatment device of denitrogenation ability, most important for solving the surface water pollution of area source from technological layer.
Possesses the distributing water treatment device of synchronous carbon and nitrogen removal function at present mainly based on absorption method and biological process.Patent CN202576084U relates to a kind of country sewage nitrogen rejection facility, and this device is made of a cylindrical reactor, establishes zeolite filler in the device, realizes denitrogenation by absorption.Absorption method has advantages such as apparatus structure compactness, floor space are little, cleaning is attractive in appearance, but because there is problem such as stop up, saturated in filler, the Operation and Maintenance difficulty is bigger, filler regeneration, replacement charge costliness.Patent CN101045583A relates to a kind of waste disposal plant with denitrification functions, the pond body is divided into anaerobism de-carbon district, aerobic nitrification district and anaerobic denitrification district, fixedly filler is filled in bio anaerobic de-carbon district and anaerobic denitrification district, by nitrated, the denitrification realization denitrogenation of microorganism.This device is not established mud and is refluxed, and power consumption is lower, but easily causes the not enough problem of anaerobic denitrification district carbon source, thereby influences denitrification effect.Advantages such as that biological process has is simple to operate, operation expense is low, denitrification effect is good, but how to coordinate autotrophy nitrifier and heterotrophic bacterium generation time contradiction, guarantee the required carbon source of denitrification, improve the key that the apparatus integration degree is exploitation biological process water treatment nitrogen rejection facility.
Along with the day by day attention of country to the water environment pollution problem, the sewage discharge management is strict all the more, efficient, stable, reliable distributing water treatment device, and the novel water treatment device that particularly has the simultaneous denitrification function is demanded exploitation urgently.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, provide a kind of stable, sludge yield is low, denitrification effect is excellent and compact construction, is convenient to installation and transportation, the simple integral type anaerobic-aerobic of Operation and Maintenance baffled reactor water treatment device.
Integral type anaerobic-aerobic baffled reactor water treating equipment comprise between multi-stage anaerobic pond (1), multi-stage aerobic pond (2), settling tank (3), water seal (10), control (4); Multi-stage anaerobic pond (1), multi-stage aerobic pond (2) and settling tank (3) are connected in turn by many group traverse baffles (11); Each pond body all adopts down water inlet upper water-out form, and every group of traverse baffle is doubling plate, comprises upper reaches plate (26) and dirty plate (27); Water is crossed at upper reaches plate (26) top, and water is crossed in dirty plate (27) bottom; Along water (flow) direction, upper reaches plate (26) is crossed the water height and is progressively reduced, and relies on gravity along flowing between anoxic pond (1), Aerobic Pond (2) and settling tank (3) with waste water in the assurance device; The top of anoxic pond at different levels is communicated to water seal (10) by effuser; Aerobic Ponds at different levels (2) bottom is provided with the aeration plate (14) that is connected with air pump (15) by pipeline; In the settling tank clear liquor part by internal reflux pump (20) pump to first step anoxic pond (1), the water of settling tank (3) bottom and mud by sludge reflux pump (16) pump to first step Aerobic Pond (2).
As preferred implementation, being vertically installed with soft-filler (12) soft-filler in the anoxic pond (1) is spherical urethane, filler diameter 150～250mm, and packing density is 40～110/m
2The vertical elastic solid filler (13) of installing in the Aerobic Pond (2), elastic solid filler is radial polyvinyl chloride, filler diameter 120～200mm, packing density is 50～120/m
2Angle is 100～140 ° between the flow deflector (28) of dirty plate (27) and pond body bottom; Be provided with thief hole (8) at two adjacent traverse baffles (11) interlayer middle part, the bottom of each pond body is equipped with mud discharging mouth (7); The multi-stage anaerobic pond is 4 grades, and the multi-stage aerobic pond is 3 grades, and whole device is divided into two rows arranged side by side, and a row is for the multi-stage anaerobic pond, second row multi-stage aerobic pond and the settling tank, outward appearance is the freight container form, the control of water inlet, aeration and backflow all between control (4) carry out.
The present invention compared with prior art has following advantage:
1. integral type anaerobic-aerobic baffled reactor water treatment device outward appearance is container structure, the integrated degree height, and compact construction, floor space is little, transportation, easy for installation, profile is succinct, attractive in appearance, especially is fit to the distributing water treatment system;
2. the soft-filler that adopts in the anoxic pond can adhere to a large amount of active sludge, so anoxic pond does not need mud to reflux, sludge reflux pump is back to first step Aerobic Pond with settling tank bottom mud, the mud of realization anoxic pond and Aerobic Pond is independently grown, and makes the microbial enrichment degree of tool specific function higher.Soft-filler and elastic solid filler on the one hand can effectively catching mud, prolong system's mud age; The microbial film of filling surface formation can become the place of synchronous nitration and denitrification, consolidation system denitrification effect on the other hand.
3. the red-tape operati of water inlet system, aerating system, return-flow system is all carried out between control in the integral type anaerobic-aerobic baffled reactor water treatment device, and the system sludge generation is less, simple and convenient operation and maintenance;
4. integral type anaerobic-aerobic baffled reactor water treatment device combines the advantage of classical anaerobic-aerobic water technology and technology of biological membrane, and to the influent quality wide accommodation, operating performance is reliable and stable;
5. integral type anaerobic-aerobic baffled reactor water treatment device can realize under lower aeration intensity and lower reflux ratio that effective total nitrogen removes, and system operation cost is relatively low.
Description of drawings
Fig. 1: integral type anaerobic-aerobic baffled reactor water treatment device outside drawing;
Fig. 2: integral type anaerobic-aerobic baffled reactor water treatment device oxygen-starved area cut-away view;
Fig. 3: integral type anaerobic-aerobic baffled reactor water treatment device aerobic zone and settling tank cut-away view;
Fig. 4: cut-away view between the control of integral type anaerobic-aerobic baffled reactor water treatment device;
Handle the waste water COD of raising pigs among Fig. 5: the embodiment 1 and remove situation;
Handle the ammonia nitrogen in waste water of raising pigs among Fig. 6: the embodiment 1 and remove situation;
Handle the waste water total nitrogen of raising pigs among Fig. 7: the embodiment 1 and remove situation;
Handle the waste water suspension of raising pigs among Fig. 8: the embodiment 1 and remove situation.
Numeral explanation in figure: 1. 5. water inlet 6. discharge outlet 7. mud discharging mouth 8. sample tap 9. discharge 10. water seal 11. deflection plate 12. soft-filler 13. elastic solid filler 14. aeration plate 15. air pump 16. sludge reflux pump 17. intake pump 18. flow of inlet water control valve 19. interior refluxing opening 24. air flow meter 25. electrical control cubicles 26. dirty plate 28. baffle at bottom of upper reaches plate 27. of the interior return flow meter 23. of the interior return flow control valve 22. of the interior reflux pump 21. of flow of inlet water meter 20. between anoxic pond 2. Aerobic Pond 3. sedimentation basins 4. are controlled
Embodiment:
The present invention will be described below in conjunction with drawings and Examples.
Referring to Fig. 1 to Fig. 4, integral type anaerobic-aerobic baffled reactor water treatment device of the present invention, anaerobic-aerobic water technology with classics on technology combines with technology of biological membrane, by between anoxic pond 1, Aerobic Pond 2, settling tank 3, control 4, water-in 5, water port 6, mud discharging mouth 7, thief hole 8, effuser 9 and water seal 10 form.Four groups of anoxic pond 1, three groups of Aerobic Ponds 2 are connected by many group traverse baffles 11 in turn with settling tank 3; Separate anoxic pond 1 at different levels, Aerobic Pond at different levels 2 and settling tank 3 with traverse baffle 11, each pond body all adopts down water inlet upper water-out form.Every group of traverse baffle is doubling plate, comprises upper reaches plate 26 and dirty plate 27.Water is crossed at plate 26 tops in upper reaches, and water is crossed in dirty plate 27 bottoms, and 28 angles of dirty plate 27 and its baffle at bottom are 100～140 °; Along water (flow) direction, upper reaches plate 26 is crossed the water height and is progressively reduced, and relies on gravity to flow along anoxic pond 1, Aerobic Pond 2 and 3 of settling tanks with waste water in the assurance device.Stay the doubling plate interlayer middle part of plate 11 to be provided with thief hole 8 at every group of folding, body bottom in pond is provided with mud discharging mouth 7;
The vertical soft-filler 12 of installing in the anoxic pond 1, the vertical elastic solid filler 13 of installing in the Aerobic Pond 2.Soft-filler is the urethane material, and is spherical, filler diameter 150～250mm, and packing density is 40～110/m
2Elastic solid filler is the polyvinyl chloride material, and is radial, filler diameter 120～200mm, and packing density is 50～120/m
2The soft-filler 12 that adopts in the anoxic pond can adhere to a large amount of active sludge, so anoxic pond does not need mud to reflux, sludge reflux pump is back to first step Aerobic Pond with settling tank bottom mud, the mud of realization anoxic pond and Aerobic Pond is independently grown, and makes the microbial enrichment degree of tool specific function higher.Soft-filler 12 and elastic solid filler 13 on the one hand can effectively catching mud, prolongs system's mud age; The microbial film of filling surface formation can become the place of synchronous nitration and denitrification, consolidation system denitrification effect on the other hand.
Anoxic pond 1 top is provided with effuser 9, and feeds water seal 10; Aerobic Pond 2 bottoms are provided with the aeration plate 14 that is connected with air pump 15 by pipeline; Be provided with sludge reflux pump 16 in the settling tank 3, link to each other with first step Aerobic Pond 2 by pipeline; 4 are positioned at device one side between control, include intake pump 17, flooding velocity variable valve 18, flooding velocity meter 19, internal reflux pump 20, internal reflux flow control valve 21, internal reflux under meter 22, air pump 14, gas meter 24 and electrical control cubicles 25, internal reflux pump 20 links to each other with first step anoxic pond 1 by internal reflux mouth 23.
Pending waste water pumps into anoxic pond 1 by water-in 5 by intake pump 17 through preliminary sedimentation, rely on gravity flow through successively multi-stage anaerobic pond 1 and multi-stage aerobic pond 2, water outlet is disposed to outside the device by water port 6 behind settling tank 3, in the settling tank clear liquor part by internal reflux pump 20 pumps to first step anoxic pond 1, the water of settling tank 3 bottoms and mud by sludge reflux pump 16 pumps to first step Aerobic Pond 2.By the use of different fillers and the control of mud return-flow system, make this device become two sludge systems.
The outward appearance of whole device is the freight container form, the control of water inlet system, aerating system and return-flow system all control between (4) carry out.Can be used for the distributing water treatment system, as small-scale breeding wastewater, community life sewage.
Principle of device of the present invention is as follows:
In this device, treatment sewage fully mixes with the nitrification liquid of settling tank backflow after entering anoxic pond, denitrifying bacteria in the anoxic pond with the nitrate nitrogen in the nitrification liquid or nitrite nitrogen as electron acceptor(EA), as electron donor, nitrate nitrogen or nitrite nitrogen are converted into the nitrogen effusion with the organism in the water inlet.In addition, the heterotrophic bacterium in the anoxic pond can change into dissolved organic matter with the insoluble organism in the water, makes larger molecular organics be decomposed into small organic molecule, improves the biodegradability of Aerobic Pond water inlet.After sewage entered Aerobic Pond, the autotrophy nitrobacteria was oxidized to nitrate nitrogen or nitrite nitrogen with the ammonia nitrogen of heterotrophic bacterium ammonification protein in original ammonia nitrogen and the anoxic pond in the sewage and fat generation under sufficient oxygen supply condition.The aerobic nitrification liquid that contains a large amount of nitric nitrogens is back to anoxic pond in settling tank, thereby realizes denitrification, the i.e. removal of total nitrogen.Organism is then decomposed the oxidation step of going forward side by side by heterotrophic bacterium in Aerobic Pond be H
2O and CO
2
Anoxic pond and Aerobic Pond form biofilm system after adding filler.Because microorganic adhesion is in fixing filling surface, thereby realize separating of hydraulic detention time (HRT) and mud age (SRT), be conducive to generation time than microbial growth and the enrichment grown, for example autotrophy nitrifier.Biomass and the biological tolerance of system have also been improved in addition.Have the dissolved oxygen gradient in the microbial film in the Aerobic Pond, there is the anoxic microenvironment in film inner layer, makes Aerobic Pond possess the synchronous nitration and denitrification ability, has strengthened the nitric efficiency of device.Integrated oxygen-poor-aerobic baffled reactor water treatment device combines the anaerobic-aerobic water technology of classics on technology with technology of biological membrane, but the organism in the waste water and total nitrogen have the treatment effect of stability and high efficiency.
Concrete operation method:
Integral type anaerobic-aerobic baffled reactor water treatment device outward appearance is the container-type structure, can wholely consign to using the place, and the scene need possess the 220V alternating-current.Device wherein adds at the startup forward direction takes from sewage work or waste water treatment plant's second pond mud, and dosage is 1/3～1/2 of effective pond appearance.After this connect power supply, start intake pump and in reaction tank, inject treatment sewage or waste water, treat to open after each pond body is filled with aeration pump and reflux pump and carry out system's domestication, according to the water quality situation analysis domestication effect of Inlet and outlet water and each pond body, and finally determine the device operational conditions.
Embodiment 1
Integral type anaerobic-aerobic baffled reactor water treatment device is of a size of 3.8m * 2m * 3m (length * money * height), and total useful volume is 15.96m
3, wherein, level Four anoxic pond useful volume is respectively 2.43m
3, 2.23m
3, 2.16m
3And 2.03m
3, three grades of Aerobic Pond useful volumes are respectively 1.89m
3, 1.80m
3And 1.71m
3, the settling tank useful volume is 1.71m
3
Embodiment 2
Handle certain pig farm with the device in the example 1 and dash circle waste water, treatment capacity is 5.4m
3/ d, reflux ratio 200%, apparatus sewage sludge inoculum size 8g/L.By Fig. 5 to Fig. 8 as can be known, device water inlet COD
CrConcentration 1210～1620mg/L, ammonia nitrogen concentration 676～847mg/L, total nitrogen concentration 914～1143mg/L, concentration of suspension 1032～1427mg/L.Water outlet COD after debugging
CrConcentration 153～201mg/L, ammonia nitrogen concentration 25～75mg/L, total nitrogen concentration 175～360mg/L, concentration of suspension 89～137mg/L reach " livestock culture industry pollutant emission standard " (GB18596-2001).
Claims (4)
1. integral type anaerobic-aerobic baffled reactor water treating equipment comprise between multi-stage anaerobic pond (1), multi-stage aerobic pond (2), settling tank (3), water seal (10), control (4); Multi-stage anaerobic pond (1), multi-stage aerobic pond (2) and settling tank (3) are connected in turn by many group traverse baffles (11); Each pond body all adopts down water inlet upper water-out form, and every group of traverse baffle is doubling plate, comprises upper reaches plate (26) and dirty plate (27); Water is crossed at upper reaches plate (26) top, and water is crossed in dirty plate (27) bottom; Along water (flow) direction, upper reaches plate (26) is crossed the water height and is progressively reduced, and relies on gravity along flowing between anoxic pond (1), Aerobic Pond (2) and settling tank (3) with waste water in the assurance device; The top of anoxic pond at different levels is communicated to water seal (10) by effuser; Aerobic Ponds at different levels (2) bottom is provided with the aeration plate (14) that is connected with air pump (15) by pipeline; In the settling tank clear liquor part by internal reflux pump (20) pump to first step anoxic pond (1), the water of settling tank (3) bottom and mud by sludge reflux pump (16) pump to first step Aerobic Pond (2).
2. integral type anaerobic-aerobic baffled reactor water treating equipment according to claim 1, it is characterized in that, being vertically installed with soft-filler (12) soft-filler in the anoxic pond (1) is spherical urethane, filler diameter 150～250mm, and packing density is 40～110/m
2The vertical elastic solid filler (13) of installing in the Aerobic Pond (2), elastic solid filler is radial polyvinyl chloride, filler diameter 120～200mm, packing density is 50～120/m
2
3. integral type anaerobic-aerobic baffled reactor water treating equipment according to claim 1 is characterized in that, angle is 100～140 ° between the flow deflector (28) of dirty plate (27) and pond body bottom; Be provided with thief hole (8) at two adjacent traverse baffles (11) interlayer middle part, the bottom of each pond body is equipped with mud discharging mouth (7).
4. integral type anaerobic-aerobic baffled reactor water treating equipment according to claim 1, it is characterized in that, the multi-stage anaerobic pond is 4 grades, the multi-stage aerobic pond is 3 grades, whole device is divided into two rows arranged side by side, and a row is the multi-stage anaerobic pond, second row multi-stage aerobic pond and the settling tank, outward appearance is the freight container form, the control of water inlet, aeration and backflow all control between (4) carry out.
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| CN201310146649XA CN103183456A (en) | 2013-04-25 | 2013-04-25 | Integrated anoxic-aerobic baffled reactor water treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310146649XA CN103183456A (en) | 2013-04-25 | 2013-04-25 | Integrated anoxic-aerobic baffled reactor water treatment device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495307A (en) * | 2016-11-29 | 2017-03-15 | 大连凯泓科技有限公司 | A kind of waste water denitration treatment device |
| CN109734245A (en) * | 2019-01-25 | 2019-05-10 | 深圳合续科技开发有限公司 | A kind of Electrolytic dephosphorization equipment and method of middle-size and small-size sewage disposal device |
| CN110550813A (en) * | 2018-09-28 | 2019-12-10 | 广东新会中集特种运输设备有限公司 | Sewage treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773075Y (en) * | 2004-12-07 | 2006-04-19 | 李声寿 | Harmless treater of organic refuse |
| CN101514069A (en) * | 2009-04-03 | 2009-08-26 | 北京首钢国际工程技术有限公司 | Coking wastewater biological denitrificaion treatment process |
| US20090289007A1 (en) * | 2006-11-07 | 2009-11-26 | Nanjing University | Method for the treatment of waste water from florfenicol production |
| CN201864644U (en) * | 2010-11-03 | 2011-06-15 | 中煤国际工程集团武汉设计研究院 | Integrated denitrification and dephosphorization sewage treatment pond |
-
2013
- 2013-04-25 CN CN201310146649XA patent/CN103183456A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773075Y (en) * | 2004-12-07 | 2006-04-19 | 李声寿 | Harmless treater of organic refuse |
| US20090289007A1 (en) * | 2006-11-07 | 2009-11-26 | Nanjing University | Method for the treatment of waste water from florfenicol production |
| CN101514069A (en) * | 2009-04-03 | 2009-08-26 | 北京首钢国际工程技术有限公司 | Coking wastewater biological denitrificaion treatment process |
| CN201864644U (en) * | 2010-11-03 | 2011-06-15 | 中煤国际工程集团武汉设计研究院 | Integrated denitrification and dephosphorization sewage treatment pond |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495307A (en) * | 2016-11-29 | 2017-03-15 | 大连凯泓科技有限公司 | A kind of waste water denitration treatment device |
| CN110550813A (en) * | 2018-09-28 | 2019-12-10 | 广东新会中集特种运输设备有限公司 | Sewage treatment device |
| CN109734245A (en) * | 2019-01-25 | 2019-05-10 | 深圳合续科技开发有限公司 | A kind of Electrolytic dephosphorization equipment and method of middle-size and small-size sewage disposal device |
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Application publication date: 20130703 |