CN103253770A - Integrated biological reactor for treatment of industrial wastewater and domestic sewage - Google Patents
Integrated biological reactor for treatment of industrial wastewater and domestic sewage Download PDFInfo
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- CN103253770A CN103253770A CN2013102271696A CN201310227169A CN103253770A CN 103253770 A CN103253770 A CN 103253770A CN 2013102271696 A CN2013102271696 A CN 2013102271696A CN 201310227169 A CN201310227169 A CN 201310227169A CN 103253770 A CN103253770 A CN 103253770A
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Abstract
The invention relates to an integrated biological reactor for treatment of industrial wastewater and domestic sewage. The integrated biological reactor comprises an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank, wherein the integrated biological reactor is shaped like a barrel as a whole, the cross section of the integrated biological reactor comprises three concentric circles, the interior of an outmost circular ring which is surrounded by the outmost two circles is divided into the anoxic tank and the aerobic tank through a partition plate, and the height of the partition plate is lower than that of a barrel body of the reactor; a middle circular ring surrounded by the innermost two circles is the sedimentation tank, and the anaerobic tank is arranged in the innermost circle; and the anaerobic tank is connected with the anoxic tank through a pipeline, and the aerobic tank is connected with the sedimentation tank through the pipeline. An aeration device is mounted at the bottom of the aerobic tank, and aeration is generally performed through a Roots blower. A sludge discharge pipe is arranged at the bottom of the sedimentation tank. The anaerobic-anoxic-aerobic-sedimentation tanks are integrally arranged and built, thus the problem of large occupied area in a traditional mode can be solved.
Description
Technical field
The present invention is a kind of integrated bioreactor of handling city domestic sewage and various trade effluents.
Background technology
Existing A2-O sewage treatment process is commonly anaerobic-anoxic-aerobic process, and aerobic section is independent activated sludge process or biomembrance process.Each biological respinse unit is independently built, and has the big defective of floor space.
Activated sludge process belongs to the suspended biological treatment system, and its advantage is that microorganism in the aeration tank, each environmental element are evenly distributed, and mass-transfer efficiency is higher, and reduced investment.But the subject matter of this technology is: at first, sludge volume is big, and mud is shorter age, can not satisfy the requirement of high efficiency nitrification, and then can not realize efficient denitrification; Secondly, volumetric loading is low, causes processing efficiency low big with floor space; The 3rd, bring out that easily thread fungus is expanded etc.Biomembrance process belongs to the biological attachment Sewage treatment systems, and it utilizes biologic packing material to fix microorganism.Compare with the active sludge technology, the major advantage of biomembrance process has: long sludge age is suitable for the growth of long nitrifier of generation cycle; The Gradient distribution of dissolved oxygen on microbial film is for different microbial ecological structure and metabolism provide condition; Sewage treating efficiency height, floor space are less relatively, shock resistance is strong etc., therefore, are fit to handle trade effluent.But the main drawback of biomembrance process is that the mass-transfer efficiency between microorganism and all kinds of substrate is lower, shows as:
(1) biologic packing material in the aeration tank, form easily block up, conglomeration or channel, mass transfer is inhomogeneous, directly reduces the efficient of biomembrance process;
(2) gas-liquid contact time is short in the reactor, and the utilization ratio of oxygen is low;
(3) the aging microbial film that comes off enters and should not finish mud-water separation after the subsequent disposal system and influence effluent quality.
Summary of the invention
For anaerobic-anoxic-aerobic-settling tank in the solution prior art is built respectively, the problem that floor space is big, the contriver provides a kind of integrated bioreactor.
Integrated bioreactor for the treatment of trade effluent and sanitary sewage provided by the present invention comprises anaerobic pond, anoxic pond, Aerobic Pond and settling tank; Described integrated bioreactor integral body is barrel-shaped, and its cross section is three concentric(al) circless, is divided into anoxic pond and Aerobic Pond by dividing plate in the outmost annulus that is surrounded by two circles of outermost, and the dividing plate height is lower than reactor staving height; The middle annulus that is surrounded by interior two circles is settling tank, is anaerobic pond in the inner most circle; Anaerobic pond is connected with anoxic pond by pipeline, is provided for the underwater propeller that impels sewage, filler, mud to circulate between anoxic pond and Aerobic Pond in the Aerobic Pond, and Aerobic Pond is connected with settling tank by pipeline.
Aerating apparatus is installed at the bottom of the described Aerobic Pond pond, is carried out aeration by roots blower usually.
Shore pipe is established in described settling tank bottom.
Described anaerobic pond is connected by mud return line with the settling tank bottom.
During use, pending trade effluent and/or sanitary sewage enter in the anaerobic pond by water inlet pipe, through behind the anaerobic reaction, enter anoxic pond by the pipeline gravity flow, through behind the hypoxia response, water enters Aerobic Pond by baffle plate top gravity flow between anoxic pond and the Aerobic Pond, after Aerobic Pond is finished aerobic reaction, enter settling tank by the pipeline gravity flow, in settling tank, finish post precipitation, discharged by water shoot.Active sludge in the waste water and the microbial film that comes off precipitate in settling tank, mud is behind the settling tank bottom settlings, discharged by settling tank bottom shore pipe, a mud part of getting rid of enters mud storage pond, another part mud is back to anaerobic pond, be that mud refluxes, determine when the ratio of spoil disposal and backflow mud needs according to engineering debug; When system normally moves, in each pond body waste water is arranged, waste water is circulated between Liang Chi by the underwater propeller effect in anoxic pond and the Aerobic Pond, and waste water replaces by aerobic, anaerobic environment, i.e. the usually said backflow of those of ordinary skills.Described gravity flow is those of ordinary skills' term, refers to flow to low level by liquid level official post liquid from a high position.Filler in the anaerobic pond is to be in the filler suspension flow state, its growth inside autotrophic type anaerobic ammonia oxidizing bacteria under the effect of agitator and waterpower.Filler in anoxic pond and the Aerobic Pond be flow at this two ponds internal recycle, it is inner except growth carbon source bacterium and aerobic nitrifier, the filler of the denitrification phosphorus-collecting bacterium that also grows.
For reaching better effect, preferred, in described anaerobic pond, anoxic pond, Aerobic Pond, add BM
The biological suspension filler.BM
Biologic packing material is produced by Dalian source of students water treating equipment Development Co., Ltd, and its patent No. grant number is ZL200510047122.7.
Integrated bioreactor for the treatment of trade effluent and sanitary sewage of the present invention by in anaerobism, anoxic section filler being set, is cultivated special bacterium colonies such as autotrophic type anaerobic ammonia oxidizing bacteria and denitrification phosphorus-collecting bacterium, further improves the denitrogenation dephosphorizing effect.Purpose is the condition that is fit to filler contact sewage and abundant fluidisation by creating, and makes the reaction efficiency of different dissolved oxygen process section reach best; Mud to different floras is distinguished and is controlled age, realizes the optimization of various floras, overcomes between the different floras, and especially the mud contradiction in age of nitrifier and polyP bacteria makes denitrogenation and dephosphorization can both reach best.
The technical solution adopted for the present invention to solve the technical problems and beneficial effect are:
1. anaerobic-anoxic-aerobic-settling tank integral body arranges construction, has solved the big problem of floor space that traditional mode exists.
2. utilize organic cooperation of anaerobism, anoxic, aerobic three kinds of different envrionment conditionss and different types of microorganisms flora, and by cultivating special bacterium colonies such as autotrophic type anaerobic ammonia oxidizing bacteria and denitrification phosphorus-collecting bacterium on the filler of anaerobism and oxygen-starved area, can have simultaneously and remove organism, take off N except the function of P.
3. by control anaerobism, anoxic, aerobic condition alternate run, suppress thread fungus and breed no sludge bulking phenomenon in a large number;
4. the aerobic process that combines with biomembrance process of activated sludge process utilizes the high characteristics of pollution load of biomembrance process to reduce the structures volume on the one hand, reduces investment; Utilize the sufficient characteristics of solid-liquid separation of activated sludge process on the other hand, improve the removal efficient of organic pollutant greatly, reduce water outlet SS, guarantee that stable effluent quality is good;
5. aerobic zone adds BM
New bio floating stuffing, this filler have that specific surface area is big, easy to be filmed, biological activity height, good, the cost performance advantages of higher for the treatment of effect;
6. the coexistence of active sludge and filler, and create various envrionment conditionss, make different floras can both reach the optimized growth state, overcome the limitation of traditional independent employing activated sludge process.
Description of drawings
The present invention has accompanying drawing two width of cloth.
Fig. 1 is the integrated bioreactor cross sectional representation for the treatment of trade effluent and sanitary sewage.
Fig. 2 is the integrated bioreactor water treatment process synoptic diagram for the treatment of trade effluent and sanitary sewage.
In the drawings: the 1-anaerobic pond; The 2-anoxic pond; The 3-Aerobic Pond; The 4-settling tank; 5, water inlet pipe; 6, water shoot; 7, return of waste water pipe; 8, aeration tube.
Embodiment
Shown in Fig. 1-2, for the treatment of the integrated bioreactor of trade effluent and sanitary sewage, comprise anaerobic pond 1, anoxic pond 2, Aerobic Pond 3 and settling tank 4; Described integrated bioreactor integral body is barrel-shaped, and its cross section is three concentric(al) circless, is divided into anoxic pond 2 and Aerobic Pond 3 by dividing plate in the outmost annulus, and middle annulus is settling tank 4, is anaerobic pond 1 in the inner most circle; Anaerobic pond 1 is connected with anoxic pond 2 by pipeline, and Aerobic Pond 3 is connected with settling tank 4 by pipeline, and height of baffle plate is lower than reactor staving height.Aerating apparatus is installed at the bottom of the described Aerobic Pond pond; Shore pipe is established in described settling tank bottom.Described anaerobic pond is connected by mud return line with the settling tank bottom.Described anaerobic pond, anoxic pond, Aerobic Pond are to have added BM in it
The reactor of biological suspension filler.This device height is integrated, by in anaerobism, anoxic section filler being set, cultivates bacterium colonies such as autotrophic type anaerobic ammonia oxidizing bacteria and denitrification phosphorus-collecting bacterium, further improves the denitrogenation dephosphorizing effect.Purpose is the condition that is fit to filler contact sewage and abundant fluidisation by creating, and makes the reaction efficiency of different dissolved oxygen process section reach best; Mud to different floras is distinguished and is controlled age, realizes the optimization of various floras, overcomes between the different floras, and especially the mud contradiction in age of nitrifier and polyP bacteria makes denitrogenation and dephosphorization can both reach best.
The present invention is not limited to above-described embodiment, and protection scope of the present invention is all classified in any equivalent concepts or change in the technical scope that the present invention discloses as.
Claims (4)
1. for the treatment of the integrated bioreactor of trade effluent and sanitary sewage, it is characterized in that: comprise anaerobic pond (1), anoxic pond (2), Aerobic Pond (3) and settling tank (4); Described integrated bioreactor integral body is barrel-shaped, and its cross section is three concentric(al) circless, is divided into anoxic pond (2) and Aerobic Pond (3) by dividing plate in the outmost annulus that is surrounded by two circles of outermost, and the dividing plate height is lower than reactor staving height; The middle annulus that is surrounded by interior two circles is settling tank (4), is anaerobic pond (1) in the inner most circle; Anaerobic pond (1) is connected with anoxic pond (2) by pipeline, be provided for the underwater propeller that impels sewage, filler, mud to circulate between anoxic pond (2) and Aerobic Pond (3) in the Aerobic Pond (3), Aerobic Pond (3) is connected with settling tank (4) by pipeline; Aerating apparatus is installed at the bottom of described Aerobic Pond (3) pond; Shore pipe is established in described settling tank (4) bottom; Described anaerobic pond (1) is connected by mud return line with the settling tank bottom.
3. the integrated bioreactor for the treatment of trade effluent and sanitary sewage as claimed in claim 1 or 2 is characterized in that: the filler in the anaerobic pond is to be in the filler suspension flow state, its growth inside autotrophic type anaerobic ammonia oxidizing bacteria under the effect of agitator and waterpower.
4. the integrated bioreactor for the treatment of trade effluent and sanitary sewage as claimed in claim 1 or 2, it is characterized in that: the filler in anoxic pond and the Aerobic Pond be flow at this two ponds internal recycle, it is inner except growth carbon source bacterium and aerobic nitrifier, the filler of the denitrification phosphorus-collecting bacterium that also grows.
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103663692A (en) * | 2013-09-03 | 2014-03-26 | 杭州师范大学 | Integrated shortcut nitrification/anaerobic ammoxidation reactor |
CN104071949A (en) * | 2014-06-30 | 2014-10-01 | 哈尔滨工业大学 | Integrated hybrid biomembrane-activated sludge reaction system and application method thereof |
CN105384302A (en) * | 2015-09-16 | 2016-03-09 | 徐雪祥 | Aquaculture wastewater processing system and method thereof |
CN106007228A (en) * | 2016-07-20 | 2016-10-12 | 河南鸿昇环保设备制造有限公司 | Integrated sewage treatment equipment based on ABR |
CN106242054A (en) * | 2016-08-29 | 2016-12-21 | 武汉东川自来水科技开发有限公司 | The sewage disposal system of a kind of suitching type intermittent aerating and processing method |
CN106348446A (en) * | 2016-11-10 | 2017-01-25 | 盐城工学院 | Corner adjustable type wastewater treatment biochemical reactor |
CN106809954A (en) * | 2016-04-21 | 2017-06-09 | 秦皇岛恒特鹏鹞环保工程有限公司 | One kind is applied to rural area distributing integral solar energy oligodynamic sewage treatment device |
CN107089727A (en) * | 2017-06-27 | 2017-08-25 | 重庆大学 | A kind of integral type three-level AO sewage disposal systems and its handling process |
CN107098471A (en) * | 2017-06-19 | 2017-08-29 | 马安然 | Microkinetic shell and tube integral sewage water purifier |
CN108658410A (en) * | 2018-07-10 | 2018-10-16 | 烟台和盛康洁环保科技有限公司 | A kind of small-sized ecological tank of combined type |
CN111217451A (en) * | 2020-02-25 | 2020-06-02 | 中冶赛迪技术研究中心有限公司 | Integrated AO biofilm reactor |
CN111592087A (en) * | 2020-04-09 | 2020-08-28 | 北京恩菲环保技术有限公司 | Fenton reaction water treatment facilities |
CN112794581A (en) * | 2021-01-15 | 2021-05-14 | 上海电力大学 | Concentric cylinder type sewage treatment device and process for synchronously realizing sludge in-situ reduction and pollutant removal |
CN114560594A (en) * | 2022-01-21 | 2022-05-31 | 清华大学 | Modular fast-assembling wetland sewage treatment device |
CN116573817A (en) * | 2023-07-13 | 2023-08-11 | 四川省建筑科学研究院有限公司 | Integrated mixed biological treatment system and method for dispersed sewage |
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CN1762851A (en) * | 2005-08-29 | 2006-04-26 | 江志伟 | Modified microbe stuffing and its preparation method |
CN101041509A (en) * | 2007-04-24 | 2007-09-26 | 上海亚同环保实业有限公司 | Circulation flow ring-shaped biological denitrification phosphorous removal technique |
CN202936254U (en) * | 2012-11-08 | 2013-05-15 | 南京中创水务集团股份有限公司 | Integrated small town domestic sewage treatment device |
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DE19523707A1 (en) * | 1995-06-29 | 1997-01-02 | Peter Dr Ott | Waste water treatment incorporates anaerobic phosphate liberation stage |
CN1762851A (en) * | 2005-08-29 | 2006-04-26 | 江志伟 | Modified microbe stuffing and its preparation method |
CN101041509A (en) * | 2007-04-24 | 2007-09-26 | 上海亚同环保实业有限公司 | Circulation flow ring-shaped biological denitrification phosphorous removal technique |
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Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103663692A (en) * | 2013-09-03 | 2014-03-26 | 杭州师范大学 | Integrated shortcut nitrification/anaerobic ammoxidation reactor |
CN104071949A (en) * | 2014-06-30 | 2014-10-01 | 哈尔滨工业大学 | Integrated hybrid biomembrane-activated sludge reaction system and application method thereof |
CN105384302A (en) * | 2015-09-16 | 2016-03-09 | 徐雪祥 | Aquaculture wastewater processing system and method thereof |
CN106809954A (en) * | 2016-04-21 | 2017-06-09 | 秦皇岛恒特鹏鹞环保工程有限公司 | One kind is applied to rural area distributing integral solar energy oligodynamic sewage treatment device |
CN106007228B (en) * | 2016-07-20 | 2023-04-07 | 河南鸿昇环保设备制造有限公司 | Integration sewage treatment device based on ABR |
CN106007228A (en) * | 2016-07-20 | 2016-10-12 | 河南鸿昇环保设备制造有限公司 | Integrated sewage treatment equipment based on ABR |
CN106242054A (en) * | 2016-08-29 | 2016-12-21 | 武汉东川自来水科技开发有限公司 | The sewage disposal system of a kind of suitching type intermittent aerating and processing method |
CN106242054B (en) * | 2016-08-29 | 2023-07-04 | 武汉汇中大川自动控制设备有限公司 | Sewage treatment system and sewage treatment method with switching type intermittent aeration |
CN106348446A (en) * | 2016-11-10 | 2017-01-25 | 盐城工学院 | Corner adjustable type wastewater treatment biochemical reactor |
CN107098471B (en) * | 2017-06-19 | 2022-10-25 | 河南泽衡环保科技股份有限公司 | Micro-power tube array type integrated sewage purifier |
CN107098471A (en) * | 2017-06-19 | 2017-08-29 | 马安然 | Microkinetic shell and tube integral sewage water purifier |
CN107089727A (en) * | 2017-06-27 | 2017-08-25 | 重庆大学 | A kind of integral type three-level AO sewage disposal systems and its handling process |
CN108658410A (en) * | 2018-07-10 | 2018-10-16 | 烟台和盛康洁环保科技有限公司 | A kind of small-sized ecological tank of combined type |
CN111217451A (en) * | 2020-02-25 | 2020-06-02 | 中冶赛迪技术研究中心有限公司 | Integrated AO biofilm reactor |
CN111592087A (en) * | 2020-04-09 | 2020-08-28 | 北京恩菲环保技术有限公司 | Fenton reaction water treatment facilities |
CN112794581A (en) * | 2021-01-15 | 2021-05-14 | 上海电力大学 | Concentric cylinder type sewage treatment device and process for synchronously realizing sludge in-situ reduction and pollutant removal |
CN112794581B (en) * | 2021-01-15 | 2024-04-26 | 上海电力大学 | Concentric cylinder type sewage treatment device and technology for synchronously realizing sludge in-situ reduction and pollutant removal |
CN114560594A (en) * | 2022-01-21 | 2022-05-31 | 清华大学 | Modular fast-assembling wetland sewage treatment device |
CN116573817A (en) * | 2023-07-13 | 2023-08-11 | 四川省建筑科学研究院有限公司 | Integrated mixed biological treatment system and method for dispersed sewage |
CN116573817B (en) * | 2023-07-13 | 2023-09-26 | 四川省建筑科学研究院有限公司 | Integrated mixed biological treatment system and method for dispersed sewage |
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