CN104671615B - A kind of Taihu Lake that is used for enters lake livestock and poultry cultivation sewage treatment process - Google Patents

A kind of Taihu Lake that is used for enters lake livestock and poultry cultivation sewage treatment process Download PDF

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Publication number
CN104671615B
CN104671615B CN201510097240.2A CN201510097240A CN104671615B CN 104671615 B CN104671615 B CN 104671615B CN 201510097240 A CN201510097240 A CN 201510097240A CN 104671615 B CN104671615 B CN 104671615B
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China
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lake
enters
sewage
livestock
poultry cultivation
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CN201510097240.2A
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Chinese (zh)
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CN104671615A (en
Inventor
潘龙
刘辉
高庆辉
沈勇林
谭晓莲
赵旭明
马振杰
王启军
史幸群
石云松
姚慧
祖白玉
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江苏龙腾工程设计有限公司
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Abstract

The present invention relates to one and enter lake livestock and poultry cultivation sewage treatment process for Taihu Lake, the process technique that it is designed with filters mainly by primary precipitation, anaerobic-aerobic is biochemical, coagulating is flocculated in dosing and membrane module filters the technology combined, and use the MATERIALS METHODS adding compounding water treatment agent, thus reaching efficient denitrification, dephosphorization and the function of fall COD, the present invention also has decolouring, the good result of sterilization simultaneously.Operating cost of the present invention and management low cost, good sewage processing effect, livestock and poultry cultivation sewage after treatment can reach the TAI HU AREA sewage disposal first discharge standard of national regulation.

Description

A kind of Taihu Lake that is used for enters lake livestock and poultry cultivation sewage treatment process
Technical field
The present invention relates to environmental protection technical field, be primarily directed to Taihu Lake and enter the poultry in the exit of a lake along the line Fowl aquaculture wastewater processes, and the one provided enters lake livestock and poultry cultivation sewage disposal work for Taihu Lake Skill.
Background technology
Along the line in Taihu Lake at present, due to great attention and strict supervision, the work of government agencies at all levels The improvement of industry enterprise sewage and discharge can reach standard substantially, but along Taihu Lake basin, due to Across Jiangsu and Zhejiang Provinces two province, not only industrial enterprise of cities and counties is many, and there is also perhaps at lake, Taihu Lake river mouth Many livestock and poultry cultivations place, including also many agricultural demonstration zone, due to livestock and poultry farm sewage Having typical " three high " feature, CODcr is up to 3000~12000mg/l, ammonia nitrogen be up to 800~ 2200mg/l, P exceed standard decades of times, and being limited to livestock and poultry breeding industry is small profits industries, and qualified discharge is still There is bigger technology and economic difficulty, but the environmental degradation of current Taihu Lake water scenery, particularly ammonia, The index severe overweight such as nitrogen, phosphorus, its basic reason is precisely due to along the line thousands of domestic along Taihu Lake The sewage growing place and agricultural demonstration zone does not has process up to standard to be caused.Although some scales Plant and agricultural demonstration zone are provided with simple sewage disposal device facility, but due to its equipment Facility is simple, processes technique single, is typically all and uses UASB+SBR technique, and ZWD is novel Methane-generating pit+biological cycle processes technique etc., single anaerobism or aerobic process and processes plant Sewage is unsuitable for, and its effect processed is undesirable, and effluent quality does not reaches TAI HU AREA sewage More than two grades discharge standards, or cannot normally popularization and application owing to cost is the highest.Especially At plum rain season in summer, feel simply helpless especially, define raw sewerage and be directly discharged to Taihu Lake, also for having buried root to after entering summer the formation of Taihu Lake blue-green algae.Therefore we for Current Taihu Lake water quality situation, while keeping trade effluent qualified discharge, is created by technology Newly arrive and improve the sewage disposal work of Taihu Lake livestock and poultry farm along the line Agro-ecology Demonstration Garden in one's power Skill and technical merit, so could promote Taihu Lake water quality from source, improves Taihu Lake further raw State environment, preserves the ecological environment, and reaches the purpose of harmony between man and nature.
Summary of the invention
Goal of the invention: the present invention provides a kind of and enters lake livestock and poultry cultivation sewage disposal work for Taihu Lake Skill, this sewage treatment process has good denitrogenation, dephosphorization, the function of fall COD, has behaviour Make the advantages such as simple and convenient, operating cost is low.
Technical scheme: present invention process mainly uses anaerobic pond, Aerobic Pond, dosing flocculation sediment, And it is equipped with membrane module filtering technique, realize especially by techniques below scheme:
The livestock and poultry cultivation sewage of the present invention sequentially passes through centralized pool, primary precipitation filtering ponds, anaerobism Pond, Aerobic Pond, dosing flocculation sedimentation tank, film component device filtering ponds, water purification after filtering Reach TAI HU AREA sewage first discharge standard.It processes technique and specifically includes following steps:
1, separation of solid and liquid: sewage collects inflow centralized pool, by grid and mud, Removing the solid matters such as animal dung, filtrate enters primary precipitation filtering ponds through overflow pipe and processes, and receives The solid matter of collection, can be used for plantation and uses as organic fertilizer.Simultaneously can by separation of solid and liquid Remove major part organic matter in sewage, reduce follow-up sewage treatment load and cost, and solid-liquid The blocking of elevator pump, pipeline, valve can also be prevented after separation, can service life of extension device.
2, primary precipitation filters: after sewage enters primary precipitation filtering ponds, static 1-2 hour, Wherein laying filter packing bottom pond, depth of packing is the graded sand and stone of 80cm, tentatively inhales Echo precipitation to filter, primary attachment some flocculated impurities, colloids etc..
3, anaerobic reaction: the sewage after primary precipitation filters enters anaerobic pond by overfall In, the biological contact filler of microbe carrier is wherein set in pond and adds plyability microorganism Preparation, sewage reacts 8-12 hour through biological nitration.
4, aerobic reaction: it is good that the sewage after anaerobic reaction enters biological by overfall In oxygen pond, biological contact filler and the microporous aeration device of microbe carrier is set in pond, wherein The outlet of aerator is arranged on the bottom of biological Aerobic Pond, the import of aerator and drum Blower fan is connected, and contact filler is installed on the body top, pond of biological Aerobic Pond.Sewage is at biology Reaction 5-8 hour in contact Aerobic Pond.
5, dosing flocculation sediment: entered by overfall through the sewage of biological aerobic reaction In dosing flocculation sedimentation tank, first add alkali regulation pH value to 7-8, add the most respectively flocculant, Coagulant, and add water quality stabilizer and carry out coagulating 1-2 hour, add sterilization the most again Agent carries out disinfection so that it is static 3-5 hour.
6, filter: the sewage after dosing flocculation sediment, supernatant liquid enters film by pump Assembly apparatus carries out filtration treatment, and the water quality of filtrate effluent can reach Taihu Lake livestock and poultry cultivation sewage row Put standard, i.e. TAI HU AREA sewage first discharge standard.
The fineness of graded sand and stone of the present invention, specially natural river sand is 1-3mm, goose ovum Stone granularity is 1-2cm, and its medium sand is 3:1 with the weight of cobblestone.
Biological contact filler of the present invention uses elastomer, wherein comprises microorganism and is formed Biomembrane.
Plyability microorganism formulation of the present invention is compound probiotic, can use denitrification Bacterium, nitrifier, saccharomycete, lactic acid bacteria one therein, preferably nitrifier.
The alkali that regulation pH value of the present invention uses is NaOH.
Flocculant of the present invention be polyacrylamide, aluminium polychloride, ferrous sulfate wherein One, optimization polypropylene acid amides.
Coagulant of the present invention is aluminum sulfate, magnesium carbonate one therein, preferably magnesium carbonate.
Water quality stabilizer of the present invention is compounding water treatment agent, biochemical according to anaerobic-aerobic Water quality index after process carries out the preparation of medicament, and prepares by the following method, its each raw material The weight portion of component is: Sodium Polyacrylate 25-25, poly-phosphorus iron chloride 20-25, acrylamide 45-50,2-phosphate-1,2,4-butane tricarboxylate 5-10;Preparation technology is: with adding It is firstly added 500L running water in heat, the medicament barrel stirred, during by being warming up to 20-25 DEG C, then It is separately added into Sodium Polyacrylate, poly-phosphorus iron chloride, is stirred 40-60min, more simultaneously Add acrylamide, and stir 30min, be eventually adding 2-phosphate-1,2,4-tricarboxylic acids fourths Alkane, continues stirring 30-40min and dissolves to abundant, i.e. obtain required water quality stabilizer (compounding Water treatment agent).
Bactericide of the present invention is sym-closene, sodium dichloro cyanurate therein Kind, preferably sym-closene.
Film component device of the present invention is plate film assembly device or hollow membrane assembly apparatus, Preferably plate film assembly device.
Flocculation coagulation of the present invention is through reaction, and the sediment generated is through mud After separation, filtrate enters primary precipitation filtering ponds and processes, and produced filter residue is entered by incinerator Row burning disposal.
Beneficial effect: one of the present invention enters lake livestock and poultry cultivation sewage treatment process, no for Taihu Lake Can be only the process technique of livestock and poultry cultivation sewage offer high-efficiency low energy consumption, design utilizes primary precipitation Filter, anaerobic-aerobic is biochemical, coagulating is flocculated in dosing and membrane module filters the technology combined, But also have employed and add compounding water treatment agent technique, thus reach efficient denitrification, dephosphorization and The function of fall COD, this process technique also has decolouring, the effect of sterilization simultaneously.The present invention processes Process operation expense and management low cost, good sewage processing effect, livestock and poultry after treatment are supported Grow sewage and can reach the TAI HU AREA sewage disposal first discharge standard of national regulation.
Accompanying drawing explanation
Fig. 1 is that a kind of Taihu Lake of the present invention enters lake livestock and poultry cultivation sewage treatment process structural representation Figure;
Fig. 2 is the aerator structure schematic diagram used by biological Aerobic Pond;
Fig. 3 is the structural representation of membrane module filter.
Detailed description of the invention
Embodiment 1
4500 pig breeding farms of cultivation scale livestock on hand: sewage collects inflow 150m3Concentration Pond, uses grid and mud, removes in sewage the solid matters such as excrement class, consolidating of collection Body material, is used as plantation organic fertilizer and uses, and filtrate enters 120m through overflow pipe3Primary sink Shallow lake filtering ponds, wherein bottom pond lay fineness be 2-6mm, thickness be 80cm filter packing grating Sandstone, tentatively adsorbs and precipitates filtration for static 1.5 hours.
Sewage after primary precipitation filters enters 80m by overfall3Anaerobic pond in, sewage The filler of biological elastomer is being set and is adding plyability microorganism formulation nitrifier In anaerobic pond, carry out biological nitration and react 8 hours.
Sewage after anaerobic reaction enters 80m by overfall3Biological Aerobic Pond in, In the Aerobic Pond of filler and microporous aeration device that biological elastomer is set, open drum Blower fan carries out micro-pore aeration, carries out aerobic reaction 6 hours.
80m is entered by overfall through the sewage of biological aerobic reaction3Dosing flocculation sediment In pond, first turn on drug metering pump and add the sodium hydroxide solution that concentration is 30%, regulate PH Value, to 7.1, is then opened drug metering pump and is added the flocculant polyacrylamide that concentration is 5 ‰ respectively Amine 50L, concentration are the coagulant magnesium carbonate solution 35L of 10%, carry out flocculation coagulating 1 hour After, open drug metering pump, add by Sodium Polyacrylate, poly-phosphorus iron chloride, acrylamide, 2-phosphate-1,2,4-butane tricarboxylates compound the water quality stabilizer 60L made, carry out coagulation React 0.5 hour, be then turned on drug metering pump and add the bactericide trichlorine isocyanide that concentration is 2% Uric acid solution 2L, after carrying out disinfection, static 3 hours.
Sewage after dosing flocculation sediment, supernatant liquid enters plate film assembly by pump and fills Putting and carry out filtration treatment, filtrate flows into 100m3Discharge after clear water reserviors.
Embodiment 2
6000 pig breeding farms of cultivation scale livestock on hand: sewage collects inflow 150m3Concentration Pond, uses grid and mud, removes in sewage the solid matters such as excrement class, consolidating of collection Body material, is used as plantation organic fertilizer and uses, and filtrate enters 120m through overflow pipe3Primary sink Shallow lake filtering ponds, wherein bottom pond lay fineness be 2-6mm, thickness be 80cm filter packing grating Sandstone, tentatively adsorbs and precipitates filtration for static 2 hours.
Sewage after primary precipitation filters enters 80m by overfall3Anaerobic pond in, sewage The filler of biological elastomer is being set and is adding plyability microorganism formulation lactic acid bacteria In anaerobic pond, carry out biological nitration and react 10 hours.
Sewage after anaerobic reaction enters 80m by overfall3Biological Aerobic Pond in, In the Aerobic Pond of filler and microporous aeration device that biological elastomer is set, open drum Blower fan carries out micro-pore aeration, carries out aerobic reaction 8 hours.
80m is entered by overfall through the sewage of biological aerobic reaction3Dosing flocculation sediment In pond, first turn on drug metering pump and add the sodium hydroxide solution that concentration is 30%, regulate PH Value, to 7.2, is then opened drug metering pump and is added the flocculant poly chlorination that concentration is 8 ‰ respectively Aluminium 80L, concentration are the aluminum sulfate coagulant 50L of 10%, carry out the coagulating after 1.5 hours of flocculating, Open drug metering pump, add by Sodium Polyacrylate, poly-phosphorus iron chloride, acrylamide, 2- Phosphate-1,2,4-butane tricarboxylates compound the water quality stabilizer 90L made, carry out coagulation anti- Answer 0.5 hour, be then turned on drug metering pump and add the bactericide dichloro isocyanuric urine that concentration is 2% Acid sodium solution 3L, after carrying out disinfection, static 4 hours.
Sewage after dosing flocculation sediment, supernatant liquid enters plate film assembly by pump and fills Putting and carry out filtration treatment, filtrate flows into 100m3Discharge after clear water reserviors.
Embodiment 3
Cultivation scale livestock on hand 20000 plumage broiler breeding field: sewage collects inflow 150m3Concentration Pond, uses grid and mud, removes in sewage the solid matters such as excrement class, consolidating of collection Body material, is used as plantation organic fertilizer and uses, and filtrate enters 120m through overflow pipe3Primary sink Shallow lake filtering ponds, wherein bottom pond lay fineness be 2-6mm, thickness be 80cm filter packing grating Sandstone, tentatively adsorbs and precipitates filtration for static 1.5 hours.
Sewage after primary precipitation filters enters 80m by overfall3Anaerobic pond in, sewage The filler of biological elastomer is being set and is adding plyability microorganism formulation nitrifier In anaerobic pond, carry out biological nitration and react 9 hours.
Sewage after anaerobic reaction enters 80m by overfall3Biological Aerobic Pond in, In the Aerobic Pond of filler and microporous aeration device that biological elastomer is set, open drum Blower fan carries out micro-pore aeration, carries out aerobic reaction 7 hours.
80m is entered by overfall through the sewage of biological aerobic reaction3Dosing flocculation sediment In pond, first turn on drug metering pump and add the sodium hydroxide solution that concentration is 30%, regulate PH Value, to 7.3, is then opened drug metering pump and is added the flocculant polyacrylamide that concentration is 5 ‰ respectively Amine 20L, concentration are the coagulant magnesium carbonate solution 15L of 10%, carry out flocculation coagulating 1 hour After, open drug metering pump, add by Sodium Polyacrylate, poly-phosphorus iron chloride, acrylamide, 2-phosphate-1,2,4-butane tricarboxylates compound the water quality stabilizer 40L made, carry out coagulation React 0.5 hour, be then turned on drug metering pump and add the bactericide trichlorine isocyanide that concentration is 2% Uric acid solution 1.5L, after carrying out disinfection, static 3 hours.
Sewage after dosing flocculation sediment, supernatant liquid enters plate film assembly by pump and fills Putting and carry out filtration treatment, filtrate flows into 100m3Discharge after clear water reserviors.
After the present invention adopts new technology and passes through embodiment, effluent quality reaches following index:
The present invention also passes through embodiment 1~3, the sewage after new method of adopting new technology processes Water quality index reaches shown in following chart, and reaches the TAI HU AREA sewage disposal one of national regulation Level discharge standard:
The invention provides a kind of thinking and method, implement method and the way of this technical scheme Footpath is a lot, and the above is only the preferred embodiment of the present invention.It should be pointed out that, for this skill For the technical staff in art field, under the premise without departing from the principles of the invention, it is also possible to make Some improvements and modifications, these improvements and modifications also should be regarded as in protection scope of the present invention, this Each part the clearest and the most definite in embodiment all can use prior art to be realized.

Claims (10)

1. one kind enters lake livestock and poultry cultivation sewage treatment process for Taihu Lake, it is characterised in that: it comprises the following steps,
(1) separation of solid and liquid: sewage collects inflow centralized pool, by grid and mud, removes animal dung solid matter, and filtrate enters primary precipitation filtering ponds through overflow pipe and processes;
(2) primary precipitation filters: after sewage enters primary clarifier, static 1-2 hour, wherein lays filter packing bottom pond, and depth of packing is the graded sand and stone of 80cm, tentatively adsorbs and precipitates filtration;
(3) anaerobic reaction: the sewage after primary precipitation filters is entered in anaerobic pond by overfall, wherein arranges the biological contact filler of microbe carrier and adds plyability microorganism formulation in pond, sewage reacts 8-12 hour through biological nitration;
(4) aerobic reaction: the sewage after anaerobic reaction enters in biological Aerobic Pond by overfall, contact filler and the microporous aeration device of microbe carrier are set in pond, wherein the outlet of aerator is arranged on the bottom of biological Aerobic Pond, the import of aerator is connected with air blast, contact filler is arranged at the body top, pond of biological Aerobic Pond, and sewage reacts 5-8 hour in biological Aerobic Pond;
(5) dosing flocculation sediment: the sewage aerobic through biological enters in dosing flocculation sedimentation tank by overfall, first alkali regulation pH value is added to 7-8, add flocculant, coagulant the most respectively, and add water quality stabilizer and carry out coagulating 1-2 hour, add bactericide the most again to carry out disinfection so that it is static 3-5 hour;
(6) membrane filtration processes: the sewage after dosing flocculation sediment, and supernatant liquid enters film component device by pump and carries out filtration treatment, and filtrate is discharged after flowing into clear water reserviors.
One the most according to claim 1 enters lake livestock and poultry cultivation sewage treatment process for Taihu Lake, it is characterized in that: described graded sand and stone, the fineness being specially natural river sand is 1-3mm, and cobblestone granularity is 1-2cm, and its medium sand is 3:1 with the weight of cobblestone.
One the most according to claim 1 enters lake livestock and poultry cultivation sewage treatment process for Taihu Lake, it is characterised in that: described biological contact filler uses elastomer, wherein comprises the biomembrane that microorganism is formed.
One the most according to claim 1 enters lake livestock and poultry cultivation sewage treatment process for Taihu Lake, it is characterised in that: described plyability microorganism formulation is compound probiotic, specially denitrifying bacterium, nitrifier, saccharomycete, lactic acid bacteria one therein.
One the most according to claim 1 enters lake livestock and poultry cultivation sewage treatment process for Taihu Lake, it is characterised in that: the alkali that described regulation pH value uses is NaOH.
One the most according to claim 1 enters lake livestock and poultry cultivation sewage treatment process for Taihu Lake, it is characterised in that: the flocculant of described employing is polyacrylamide, aluminium polychloride, ferrous sulfate one therein.
One the most according to claim 1 enters lake livestock and poultry cultivation sewage treatment process for Taihu Lake, it is characterised in that: the coagulant of described employing is aluminum sulfate or magnesium carbonate.
One the most according to claim 1 enters lake livestock and poultry cultivation sewage treatment process for Taihu Lake, it is characterized in that: described water quality stabilizer is compounding water treatment agent, the preparation of medicament is carried out according to the water quality index after anaerobic-aerobic biochemical treatment, its water quality stabilizer prepares by the following method, the weight portion of its each raw material components is: Sodium Polyacrylate 25-25, poly-phosphorus iron chloride 20-25, acrylamide 45-50,2-phosphate-1,2,4-butane tricarboxylate 5-10;Preparation technology is: be firstly added 500L running water in the medicament barrel heating, stirring, during by being warming up to 20-25 DEG C, it is separately added into Sodium Polyacrylate, poly-phosphorus iron chloride again, is stirred 40-60min simultaneously, then adds acrylamide, and stir 30min, it is eventually adding 2-phosphate-1,2,4-butane tricarboxylates, continue stirring 30-40min to dissolve to abundant, i.e. obtain required water quality stabilizer and compound water treatment agent.
One the most according to claim 1 enters lake livestock and poultry cultivation sewage treatment process for Taihu Lake, it is characterised in that: described bactericide is sym-closene or sodium dichloro cyanurate.
One the most according to claim 1 enters lake livestock and poultry cultivation sewage treatment process for Taihu Lake, it is characterised in that: described film component device is plate film assembly device or hollow membrane assembly apparatus.
CN201510097240.2A 2015-03-04 2015-03-04 A kind of Taihu Lake that is used for enters lake livestock and poultry cultivation sewage treatment process CN104671615B (en)

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CN105084672B (en) * 2015-08-22 2017-09-22 哈尔滨金大环境工程有限公司 Subsection water inflow A/O composite sewage treatment equipments and sewage water treatment method
CN105084484A (en) * 2015-08-28 2015-11-25 邓忆凯 Flocculating agent for treating waste water and preparation method of flocculating agent
CN105293820B (en) * 2015-10-19 2017-06-30 沈阳建筑大学 It is a kind of to be suitable to the modularization integrated technology process of milk cattle cultivating wastewater treatment
CN106187458A (en) * 2016-07-07 2016-12-07 全椒县夏军养猪专业合作社 Swine manure and stalk fermentation compost method
CN105967457A (en) * 2016-07-07 2016-09-28 全椒县夏军养猪专业合作社 Treatment and reutilization method for piggery sewage
CN106589004A (en) * 2016-10-12 2017-04-26 环境保护部华南环境科学研究所 Treating method for pig manure
CN107473541A (en) * 2017-10-13 2017-12-15 延边大学 A kind of cold area's livestock and poultry cultivation sewage water treatment method
CN107739126A (en) * 2017-10-18 2018-02-27 安徽工程大学 A kind of sewage recycling device for livestock and poultry cultivation
CN108455800A (en) * 2018-04-10 2018-08-28 佛山市万善环保科技有限公司 A kind of anaerobic and aerobic antimicrobial composition wastewater treatment equipment
CN108532566B (en) * 2018-04-27 2020-11-17 江苏杭鼎建设工程有限公司 Landscape water body circulation water conservancy device

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CN101148302A (en) * 2006-09-18 2008-03-26 深圳市金达莱环保股份有限公司 Method for treating waste water of livestock and fowl cultivation
CN102161550B (en) * 2011-01-13 2012-11-21 蔡志武 Method for producing feed additive from livestock and poultry breeding wastewater and purifying breeding wastewater to reclaimed water
CN103435224A (en) * 2013-08-21 2013-12-11 江苏鑫林环保设备有限公司 Waste water treatment technology for livestock breeding

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