CN1100010C - Urban underground pipeline type sewage treatment method - Google Patents

Urban underground pipeline type sewage treatment method Download PDF

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Publication number
CN1100010C
CN1100010C CN00125298A CN00125298A CN1100010C CN 1100010 C CN1100010 C CN 1100010C CN 00125298 A CN00125298 A CN 00125298A CN 00125298 A CN00125298 A CN 00125298A CN 1100010 C CN1100010 C CN 1100010C
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China
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stage
aerobic
sewage
anaerobic
filtration
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CN00125298A
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Chinese (zh)
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CN1285321A (en
Inventor
章永泰
肖伟良
杨贤智
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上海佛欣爱建河道治理有限公司
云南忠科佛欣湖泊治理有限公司
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Priority to CN00125298A priority Critical patent/CN1100010C/en
Publication of CN1285321A publication Critical patent/CN1285321A/en
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Publication of CN1100010C publication Critical patent/CN1100010C/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The urban underground pipeline type sewage treatment comprises a primary precipitation stage, an anaerobic stage, a secondary precipitation stage, an aerobic stage and a filtration stage with a plurality of layers, and the stages are arranged in urban underground water pipelines or special underground pipelines for sewage treatment. In the anaerobic stage, wood fibre filtering materials and/or activated chalk laminated stone and/or activated coal are used as filling materials for treating sewage; in the aerobic stage, the aeration treatment is carried out, and filling materials in the aerobic stage and materials for treating sewage in the anaerobic stage and the filtration stage are chalk laminated stone; the filtration stage can be divided into a plurality of layers.

Description

Urban Underground pipeline type sewage treatment method
What the present invention relates to is a kind of sewage water treatment method, and a kind of especially urban Underground pipeline type sewage treatment method belongs to environment protection class field.
City a large amount of sanitary sewage, trade effluents every day, because in time do not administer, these dirty contaminated wastewaters the river course and the environment in city, are having a strong impact on city resident's life, severe contamination is regional even endanger vegeto-animal life and human living condition, has destroyed the eubiosis.The professional and technical personnel is devoted to environment protection, and improvement sewage, waste water according to the situation at source of sewage place, are taked following measure earlier mostly: one, eradicate source of sewage; Two, set up dirty, wastewater treatment plant.Sewage disposal plant generally adopts the second-stage treatment way, both precipitates earlier, relies on the organism in the aerobic bacteria decomposition sewage then, realizes the pollution treatment purpose, and aforesaid method all exists and invests greatly, overhead charges are big, the deficiency that the sewage disposal energy consumption is high.Through retrieval to document, Chinese patent 86106883, by name " municipal effluent decomposes---aerobic biological treatment process ", this method readme multifunctional hydrolyzed reactor replaced the single-minded traditional preliminary sedimentation tank of function, use the reaction of hydrolysis and acid-producing bacteria, the hydrolysis of organic matter of capacitive is not become deliquescent organism; Macromolecular substance resolves into small-molecule substance, has improved the biodegradability of sewage greatly, because the generation of hydrolysis and partial acidification effect makes that sewage sludge obtains handling simultaneously, can cancel sludge digestion tank.Have slightly simply though this method is compared with other technologies, still need generally, as set up in Sewage Plant, the factory and must various processing pond be set large-area ground than higher input and higher working cost.
The objective of the invention is to overcome deficiency of the prior art, a kind of urban Underground pipeline type sewage treatment method is provided.
Technical scheme of the present invention and performance are as follows: the present invention is in the sewers of city municipal pipeline, perhaps in the underground pipeline of special use, implement, sewage disposal divides elementary precipitate phase, anaerobic stages, the secondary sedimentation stage, aerobic stage and filtration stage are formed, and these stages are all in the urban groundwater road, perhaps in the underground pipeline of special use, handle, each stage is all set successively by water (flow) direction, both elementary precipitate phase, anaerobic stages, the secondary sedimentation stage, aerobic stage and filtration stage, just precipitate phase passes through filter screen, in order to remove some particles in the sanitary sewage, impurity such as suspended substance, sewage was carried out some pre-treatment before entering biological treatment, improve the ability and the treatment effect of subsequent disposal, the secondary sedimentation stage is flowing out behind anaerobic stages when sewage, part mud silt and flocculation, the peptization pollutent can precipitate, and the dirt under the precipitation is directly taken away by sludge pump by the mud groove that is located at duct bottom.
The anaerobic stages of sewage disposal, aerobic stage and filtration stage are the main phase of sewage disposal: anaerobic stages with the wood fibre filtrate and or activation chalk line stone and or activated coal, as the sewage disposal filler, the wood fibre filtrate is the wood materials of handling through special process, and nest for microorganism provides in the space of its fiber, the carrier of breeding and work done; Activation chalk line stone is the porous stone matter that generates the cretaceous period, through after the special art breading, become microorganism provide nest, the carrier of breeding and work done, cover biomembranous the inside on the top layer, naturally form anoxic and anaerobic state, help microbiological deterioration ammonia and other organic pollutants; Activated coal is the coal of handling through special process, is implanted with the special bacterium of degradation of ammonia nitrogen and other organic pollutants, mainly by the direct degradation of ammonia nitrogen of catalytic oxidation and other organic pollutants.The anaerobic reaction that rule of thumb is worth anaerobic stages is to the about 1.2kg/m of COD processing power 3.d, and the anaerobic reaction stage mainly is that a part is difficult to biodegradable COD hydrolysis under aerobic condition, improves its biodegradable, and N, P are changed into the form of inorganics from organic form, and clearance can reach 80-90% in subsequent disposal.According to anaerobic reaction, CODBD: N: P=350: 5: 1, sanitary sewage COD value scope was in 50-200mg/l, and N, P are respectively 2-5mg/l and 0.5-2.0mg/l, and establishing the every day sewage quantity is 1000m 3, pipeline section is long-pending to be 1.8m 2, calculate feasible pack length L and be by removing COD20mg/l
L=1000×20×10 -3/(1.2×1.8)=9.26m
In order to reach effect preferably, anaerobic stages is divided into three sections, every section 3.5m can get and handle the water yield every day and be:
Q=3×3.5×1.8×1.2/(20×10 -3)=1134m 3/d
Aerobic stage need carry out aeration to be handled, be about to air and squeeze into aerobic stage by aerating machine, in the aerobic reaction stage, microorganism forms the bigger zoogloea of surface-area in the growth and breeding process, it can flocculate and adsorb colloid or dissolved pollutent in the waste water in a large number, the main COD that removes in the water, different with anaerobic reaction is that reaction process will be carried out a large amount of aerations, satisfy the required oxygen of reaction, aerobic stage is higher to the clearance of COD, but the sludge quantity that produces is also many, so, be provided with in the bottom of pipeline the mud groove by excavating pump regularly with the mud sucking-off, filling-material structure is with the processing power 1.96kg/m of anaerobic stages according to aerobic stage reaction in the aerobic stage 3.d (empirical value) removes the about 40mg/l of COD every day, according to the design flow 1134m of anaerobic stages 3/ d calculates, and aerobic stage need be laid pack length L and be:
L=1134×40×10 -3/(1.96×1.8)=12.68m
Therefore optional, the pack length of aerobic stage is 13 meters, and the processing water yield that could guarantee every day like this is greater than 1000 cubic metres, and also can meeting the demands when water yield fluctuation is arranged, (water yield of floating is at 200m 3In), the mean flow rate 0.013m/s that wherein fetches water (12 hours every days), the aerobic section residence time is 17 minutes.
Sewage treating material in the filtration stage is activation chalk line stone, filtration stage can be divided into several layers, as divides two-layerly, and the filtration stage the first layer is similar to the effect of settling tank, the sludge settling that aerobic stage is produced, the filtration stage second layer is further handled water outlet.
The present invention has substantive distinguishing features and marked improvement, utilizes the present invention the dirty waste water in city can be carried out sewage disposal effectively reliably in underground pipeline, in the design, and (anaerobism, aerobic, filtration) unit of composition treatment stage of per three.Water inlet place is provided with three processing units in whole outfall sewer net.The water conditioning result is: the removal of COD is COD:(1.2 * 10.5+1.96 * 13) * 3=114.24kg/d.By COD: N: P: 100: the removal that 5=1 calculates ammonia nitrogen is 5.7kg/d, and the removal of phosphorus is 1.2kg/d.For the city, can therefore exempt and set up special sewage work, or increase the processing power of original sewage work greatly, can use manpower and material resources sparingly in a large number, and ground floor space, the present invention is with a wide range of applications and practical value for the sewage disposal of modern city.

Claims (2)

1, a kind of urban Underground pipeline type sewage treatment method, it is characterized in that sewage disposal divides elementary precipitate phase, anaerobic stages, the secondary sedimentation stage, aerobic stage and several layers filtration stage are formed, and these stages are all handling in the urban groundwater road or in the underground pipeline in special use, each stage is all set successively by water (flow) direction, both elementary precipitate phase, anaerobic stages, the secondary sedimentation stage, aerobic stage and filtration stage, the anaerobic stages of sewage disposal, aerobic stage and filtration stage are the main phase of sewage disposal: anaerobic stages with the wood fibre filtrate and or activation chalk line stone and or activated coal, as the sewage disposal filler, aerobic stage need carry out aeration to be handled, be about to air and squeeze into aerobic stage by aerating machine, the same anaerobic stages of filler in the aerobic stage, the ground of pipeline portion be provided with the mud groove by excavating pump regularly with mud from the sucking-off of mud groove, the sewage treating material of filtration stage is activation chalk line stone, and filtration stage can be divided into several layers.
2, want 1 to ask described this urban Underground pipeline type sewage treatment method according to right, its feature is that also the wood fibre filtrate is treated wood materials, and nest for microorganism provides in the space of its fiber, the carrier of breeding and work done; Activation chalk line stone is the porous stone matter that generates the cretaceous period, also be after treatment, become microorganism provide nest, the carrier of breeding and work done, cover biomembranous the inside on the top layer, naturally form anoxic and anaerobic state, help microbiological deterioration ammonia and other organic pollutants; Activated coal is treated coal, is implanted with the special bacterium of degradation of ammonia nitrogen and other organic pollutants, by the direct degradation of ammonia nitrogen of catalytic oxidation and other organic pollutants.
CN00125298A 2000-09-21 2000-09-21 Urban underground pipeline type sewage treatment method CN1100010C (en)

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Application Number Priority Date Filing Date Title
CN00125298A CN1100010C (en) 2000-09-21 2000-09-21 Urban underground pipeline type sewage treatment method

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Application Number Priority Date Filing Date Title
CN00125298A CN1100010C (en) 2000-09-21 2000-09-21 Urban underground pipeline type sewage treatment method

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CN1285321A CN1285321A (en) 2001-02-28
CN1100010C true CN1100010C (en) 2003-01-29

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1312057C (en) * 2004-01-14 2007-04-25 哈尔滨工业大学 Disperse type sewage treatment and recovery utilization method of strengthening city sewage pipeline purifying function
CN102060390B (en) * 2010-11-24 2012-08-29 江苏大学 Auxiliary purification device of sewage conveying pipeline
CN102153242A (en) * 2011-04-27 2011-08-17 常州市宣塘豆制品市场有限公司 Sewage treatment process and sewage treatment mechanism
CN102491603B (en) * 2011-12-29 2013-01-02 北京市环境保护科学研究院 Air injection system and method for in situ restoration of volatile pollutant in underground water
CN106007241A (en) * 2016-07-21 2016-10-12 罗志明 Novel urban pipeline sewage treatment method

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