CN107381826A - A kind of agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method - Google Patents

A kind of agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method Download PDF

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Publication number
CN107381826A
CN107381826A CN201710844071.3A CN201710844071A CN107381826A CN 107381826 A CN107381826 A CN 107381826A CN 201710844071 A CN201710844071 A CN 201710844071A CN 107381826 A CN107381826 A CN 107381826A
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China
Prior art keywords
tail water
agriculture
pool
water
domestic sewage
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CN201710844071.3A
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Inventor
高建峰
丁瑞芬
韩国新
陈雪明
徐明芳
黄海
丁宁
汪文斌
化占勇
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Suzhou Wujiang Soil Fertilizer Technology Guidance Station
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Suzhou Wujiang Soil Fertilizer Technology Guidance Station
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Priority to CN201710844071.3A priority Critical patent/CN107381826A/en
Publication of CN107381826A publication Critical patent/CN107381826A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • 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 invention discloses a kind of agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method, including 1), using the runoff tail water of savings preparing pool collection eutrophication kept in, be aerated;2), the ecological canal pool will be discharged into beyond the tail water of capacity;3) part tail water culture photosynthetic bacteria is used, for improveing water quality and feed addictive;4) sanitary sewage is discharged into current wetland processing;5), save preparing pool and keep in biogas slurry.The agriculture tail water that the present invention only selects nutrient high carries out temporary Posterior circle and utilized, and alleviates the processing pressure on the ecological intercepting irrigation canals and ditches pool, and eutrophic agricultural effluent is farthest recycled;In non-agricultural tail water draining season, nitrogen phosphorus can be utilized to intercept the deficiency that facility makes up current rural domestic sewage treatment facility, can reach and make full use of, there is reduced investment, efficiency high, required artificial advantage less is managed and protected, while also reduces the problem of sewage collecting processing intermediate link is more in the past.

Description

A kind of agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method
Technical field
The invention belongs to field of rural sewage water treatment, specially a kind of agriculture tail water and domestic sewage in rural areas emission reduction circulation profit Use method.
Background technology
In recent years, with industrial expansion, people in the countryside quantity sharply increase and the fertile medicine usage amount of agricultural occupy it is high not The problems such as lower, caused sewage quantity are significantly increased, and original wastewater treatment facility far can not meet the needs of sewage disposal, make A large amount of problems such as Cheng Shuiti are smelly, blue algae bloom, have had a strong impact on the daily life of broad masses of the people, have caused the central government Pay much attention to.Existing solution is typically to enter sewage treatment plant, sanitary sewage by sewage pipe after trade effluent is administered Shunt or do not shunt by rain dirt and be directly discharged into sewage pipe, then pass through the side such as grid, precipitation, multistage purification pond, current wetland Formula is handled, and because such processing mode sewage residence time is grown, treatment effeciency is low, substantially insufficient with respect to treatment facility, And below standard sewage enters sewage pipe, sewage treatment plant is entered back into, and very big pressure is brought to sewage conduct and wastewater treatment facility, by It is very wide to be related to face in the dilatation widened with wastewater treatment facility of pipeline, particularly is difficult to transform in some old facility short time, Therefore waste water control is difficult to promote;On the other hand, for farmland, pond culture, livestock and poultry cultivation tail water typically by construction The ecological canal pool, the method by adsorbing, settling, intercepting, absorb recycling, makes agriculture tail water qualified discharge, this method is not Only cost is high, and concentrate in rainwater, season, because water is big, ecological riverway and ecological pool are concentrated in draining after farmland fertilization etc. Pool water-holding capacity is substantially insufficient, causes clarifier-tank, the water residence time deficiency on the irrigation canals and ditches pool, it is also difficult to reach and preferably cut dirty effect Fruit.
The defects of prior art and deficiency:
1st, existing technology biases toward interception to tail water nutrient, degraded, sedimentation etc., the circulation to nitrogen phosphorus nutrient in tail water Utilizing status is undesirable.
2nd, agriculture tail water nutrient concentration gradient is very big, after such as farmland initial rainfall, fertilising after, fishpond do pool nutrient content Height, nutrient content is low after continuous rainfall, heavy rain, and existing method is less to consider that agriculture tail water nitrogen phosphorus nutrient gradient disparities are very big, Classification is needed to handle;
3. rural domestic sewage treatment facility is comparatively mostly net due to complex disposal process, sewage residence time length Change scarce capacity;The dirty shunting of rain and rain dirt do not shunt, and nitrogen phosphorus nutrient density is widely different, is not handled differently.
4. Sewage Treatment Facilities and the processing of ecological intercepting facility are individually separated, do not become using agriculture tail water is seasonal Change feature forms complementation, considers domestic sewage in rural areas from design level and agriculture tail water recycles dirt with qualified discharge Method for treating water.
5th, because farmland is in seasonal feature to the demand of biogas slurry, and the generation of biogas slurry and agricultural production needs are absonant, So the storage of biogas digested liquor of biogas generating pit by biogas slurry pond construction scale due to being limited, it is difficult to meets needs and can not dissolve.
The content of the invention
For solve existing for prior art to agriculture tail water nutrient to recycle effect poor, do not utilize tail water seasonal Variation Features form the defects of complementation, and the present invention provides a kind of agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method.
A kind of agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method, comprises the following steps:
1), the runoff tail water that eutrophication is collected using savings preparing pool is kept in, preferably after rainfall in 1 hour Agricultural run-off and fishes and shrimps pond after agricultural run-off, fertilising in 1-2 days are cleaned up the pond and change water, livestock and poultry and aquaculture tail water, vegetable field The domestic sewage in rural areas of tail water, biogas slurry and the dirty shunting of rain by current wetland processing, adds microorganism and is aerated, in agriculture Crop needs the link input field applied fertilizer, or is used during the fattening moisturizing of fishpond;
The agriculture tail water Nutrient Contents of different periods discharge are very big, for farmland be typically in rainfall 1 hour or Person is that nutrient density is high in 1-2 days after applying fertilizer;Fishpond is generally only moisturizing, and clean up the pond change water when tail water nutrient content very It is high;Vegetable field tail water nutrient content is higher always, and tail water nutrient content is higher after fertilising;The domestic sewage in rural areas of the dirty shunting of rain Nitrogen phosphorus nutrient content is high.The present invention only collects the high agriculture tail water of nutrient density and recycled, and building has temporary function Water storage preparing pool, only collect after rainfall in 1 hour, after fertilising in 1-2 days and fishes and shrimps pond clean up the pond, the life of the dirty shunting of rain The higher agricultural effluent of the Nitrogen-and Phosphorus-containing nutrient density such as sewage, is kept in using reservoir, and further concentration, purification, work as farming By kinetic pump recharge field or fishpond when thing needs the top dressing, fishpond to need to foster and apply fertilizer, so as to reach the purpose recycled.By The nutrient content highest of agriculture tail water in scratch pool, and heavy metal etc. is few exceeded, as long as simple aeration, biological agent, Can direct circulation, which utilizes, is used for fertilizing soil or moisture;
2), when the capacity for saving preparing pool reaches maximum, only the ecological canal pool will be discharged into beyond the tail water of capacity, enters one Qualified discharge or carry out being recycling in field irrigation, fishpond moisturizing as needed after step purified treatment;Utilize ecological canal Sedimentation, absorption, interception and the absorption function on the pool, nitrogen phosphorus nutrient content is further reduced, reaches qualified discharge, the benefit so done On the one hand the quantity into ecological canal pool agricultural tail water is reduced;On the one hand contain the tail water nitrogen phosphorus nutrient into the ecological canal pool Amount decreases, and can shorten tail water in purifying pond, ecological canal pool dwell period;
3) photosynthetic bacteria culture pond, is built, the small part tail water of preparing pool eutrophication will be saved, is discharged into photosynthetic bacteria training Pond is supported, by sterilization, appropriate supplementing culture medium (yeast extract, sodium acetate etc.) simultaneously accesses photosynthetic bacteria strain, utilizes vegetable Dish booth thermal insulation and light transmission function, culture photosynthetic bacteria (needing simple aeration, equipment), field, pond are then applied, for fruit The liquid fertilizer of vegetable and livestock and poultry, aquatic feeds nourishing additive agent and improver of water quality;
4) by sanitary sewage after grid impurity elimination, deoiling, current wetland is directly discharged into, then according to water outlet nutrient gradient Difference, the sanitary sewage tail water that will be treated by current wetland enters savings preparing pool or to be discharged into the ecological canal pool further Processing;Because domestic sewage in rural areas is particularly, the sewage nutrient content containing excrement is very high, and other pollutants also include detergent, salt Point and oil etc., normally only eutrophication and organic matter poured water standard (only a few has heavy metals exceeding standard) beyond agriculture, therefore, And the artificial swamp (preferable with subsurface wetland effect) in rural domestic sewage treatment facility to organic matter, salinity, oil and The clean effect of heavy metal is obvious, and part sanitary sewage after grid impurity elimination, deoiling, is directly discharged into undercurrent type people by the present invention Work wetland, the links such as ammonia nitrogen, dephosphorization, sterilizing and purifying and sludge condensation are removed (sometimes due to life is dirty without A/O biological cleanings The carbon-nitrogen ratio numerous imbalances of water, the effect of biological denitrificaion phosphorus are simultaneously bad), then according to the difference of water outlet nutrient gradient, will pass through The treated sanitary sewage tail water of current wetland, which enters savings preparing pool or is discharged into the ecological nitrogen phosphorus interception irrigation canals and ditches pool, further to be handled, Adsorption and sedimentation and interception function of the ecological canal pool in agriculture tail water non-peak season, while agriculture tail can so be given full play to The period that water discharge is concentrated, the sewage of ecological canal pool excess load can also enter into the artificial swamp of Sewage Treatment Facilities Row processing, so as to the situation that the break traditions upper ecological intercepting irrigation canals and ditches pool and rural domestic sewage treatment facility are fought separately, play The effect of the mutual benefit of supplement each other;
5), savings preparing pool can also be needed according to actual aquatic products for the temporary biogas slurry that can not be used for the moment.
Further, the bottom of pond of the savings preparing pool is provided with impervious barrier and soft divider wall.
Further, the photosynthetic bacteria culture pond is arranged in greenhouse culture photosynthetic bacteria, photosynthetic bacteria culture pond Depth is 0.4~0.6 meter.
Further, the filler of the current wetland is the combination of gravel, yellow sand and soil.
Further, the plant of the current wetland is rush, thaliadeabata, yellow flag, napier grass, reed, mullet grass, thousand Bend dish, Job's tears, the one or more of vetiver.
In recent years, with the needs that agriculture stable yields is increased production, farmland fertilization amount remains high always, along with southern area of Jiangsu Province is more Rainy weather, with the discharge of agricultural run-off and underground water, the agriculture Tail water reuse of a large amount of eutrophication enters water body, it is easy to Cause pollution of area source, for farmland, pond culture, livestock and poultry cultivation tail water typically by the ecological canal pool is built, pass through suction Attached, sedimentation, intercept, absorb the method recycled, making agriculture tail water qualified discharge, not only cost is high for this method, and in rain The period such as water and a large amount of generations of biogas slurry is changed in water concentration, agricultural drain, fishpond, and because water is big, ecological riverway and eco-pond store Outlet capacity is substantially insufficient, causes the water on clarifier-tank, the irrigation canals and ditches pool can not be resident for a long time, is extremely difficult to preferable nutrient and intercepts effect Fruit.On the other hand because people in the countryside high concentration, rural domestic sewage treatment facility relative deficiency, sewage disposal link are answered It is miscellaneous, it is necessary to by grid pond, sedimentation basin, multistage purification pond, current wetland processing, residence time length, be often extremely difficult to up to standard Discharge, the pressure of water prevention and cure of pollution is very very big, causes the agricultural non-point source pollution problem similar to Taihu Lake blue algae bloom.
The present invention thinking be:1st, the efficiency of the collection of agriculture tail water is improved, is arranged according to the filling of Various Seasonal fruits and vegetables, crop Demand and livestock and poultry, aquaculture, the nutrient content gradient difference of farmland tail water, the runoff tail water of eutrophication is only collected, Recycled;2nd, to save preparing pool as tie, simple biological treatment is carried out, retaining and fixing it has to crop production Nitrogen, phosphorus nutrient, BOD, COD content are reduced, recycling reaches the utilization purpose of ecological circulation in agricultural production;3、 It can not be utilized in time for savings preparing pool, the agriculture tail water beyond capacity load recycles the ecological intercepting irrigation canals and ditches pool to be purified Processing, mitigate the processing load on the ecological canal pool;4th, domestic sewage in rural areas is denitrogenated outside phosphorus eutrophication, mainly organic matter, COD And BOD is exceeded, and current wetland is preferable to removing organic matter and heavy metal, reduction BOD, COD effect in domestic sewage in rural areas, can Transformed with considering to combine the ecological canal pool, in non-agricultural tail water peak season, by for the sanitary sewage without the dirty shunting of rain After grid removes oil removal and oil removing, after being directly discharged into current wetland processing, according to effluent quality or recycle, or connect Enter the ecological canal pool further to handle, being directly entered the ecological intercepting irrigation canals and ditches pool for the dirty rainwater shunted of rain is further handled.It is raw Sewage disposal living improves treatment effect due to reducing the intermediate links such as biological cleaning, sterilization and sedimentation.5th, because crops are to natural pond The needs of liquid have seasonality, and savings preparing pool can be also used for the temporary of biogas slurry, can alleviate the most of methane-generating pits in rural area and hold Measure the predicament of deficiency.
Beneficial effect:The present invention is in terms of planning and designing aspect considers crop field tail water, sanitary sewage, biogas slurry treatment three Factor, the characteristics of often only nitrogen phosphorus nutrient is exceeded using agriculture tail water, and other pollution indexs are not exceeded, only select nutrient high Agriculture tail water carry out temporary Posterior circle and utilize, alleviate the processing pressure on the ecological intercepting irrigation canals and ditches pool, and cause eutrophic Agricultural effluent farthest recycles, and reduces pollutant emission.It is only simultaneously and using sanitary sewage organic fertilizer and nitrogen The characteristics of phosphorus nutrient is exceeded (only a few has heavy metals exceeding standard), first by sewage by current wetland organics removal, heavy metal, then Recycle, or intercept facility using nitrogen phosphorus and further purify.In non-agricultural tail water draining season, nitrogen phosphorus can be utilized to intercept and set The deficiency for making up current rural domestic sewage treatment facility is applied, can reach and make full use of, there is reduced investment, efficiency high, manage and protect Required is artificial few, while also reduces the problem of sewage collecting processing intermediate link is more in the past.Biogas slurry answering in agricultural production The seasonable feature of apparatus, the present invention in scratch pool can also alleviate biogas slurry storage volume deficiency contradiction.It is in addition, of the invention Method utilizes warmhouse booth culture photosynthetic bacteria, and method is simple and easy, can be widely applied to field crop, fruits and vegetables, beasts, birds and aquatic products Cultivation, can both lift farming, animal husbandry and fishery product quality, can be used as improver of water quality again.
Brief description of the drawings
Fig. 1:The structured flowchart that domestic sewage in rural areas emission reduction of the present invention recycles;
Fig. 2:The agriculture tail water of the present invention recycles schematic diagram.
Embodiment
Embodiment
A kind of agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method, comprises the following steps:
1), using agricultural run-off (the usual 15-30 minutes, specifically regarding rainfall after savings preparing pool collection rainfall in 1 hour Size determines to collect the time of rain dirt runoff), after fertilising agricultural run-off in 1-2 days and fishes and shrimps pond clean up the pond change water, livestock and poultry and Aquaculture tail water, vegetable field tail water, biogas slurry and the domestic sewage in rural areas of the dirty shunting of rain by current wetland processing carry out temporary Deposit, add microorganism and be aerated, input field in the link that crops need to apply fertilizer, or make during the fattening moisturizing of fishpond With;The bottom of pond of savings preparing pool is provided with impervious barrier and soft divider wall, prevents seepage, Chi Shen, tankage can be raiseeed according to periphery Depending on fowl plant scale, biogas slurry yield, field crop area, fruit vegetable ground area, fishpond size, can also according to this The distribution situation on the regional existing irrigation canals and ditches pool, selection 2-3 is individual or multiple, and (quantity is arranged conveniently according to storage volume requirement and filling Depending on) position suitable, pond hold the transformation of satisfactory pond, as savings preparing pool.It is preferred that 15 minutes to 30 points after after rainfall Agricultural run-off in clock;
2) tankage, is allocated in design, according to region area and property, determines the scale and storage capacity of engineering, water Amount is defined by rainfall at the beginning of summer, it is also necessary to is consulted meteorological data, is obtained Multi-year average precipitation in basin, concentrates precipitation month, together When to consider the factor such as Annual variations degree in rainfall year, annual runoff Annual variations degree.When the capacity of savings preparing pool reaches During to maximum, only the ecological canal pool will be discharged into beyond the tail water of capacity, qualified discharge or according to need after further purified treatment Carry out being recycling in field irrigation, fishpond moisturizing;Using the sedimentation on the ecological canal pool, absorption, interception and absorption function, enter One step reduces nitrogen phosphorus nutrient content, reaches qualified discharge, and on the one hand the benefit so done is reduced enters ecological canal pool agricultural tail The quantity of water;On the one hand the tail water nitrogen phosphorus nutrient content into the ecological canal pool is decreased, tail water can be shortened and purified The pool, ecological canal pool dwell period;
3) photosynthetic bacteria culture pond, is built, is advisable with building in greenhouse vegetable greenhouse, can excavating a Tu Chi, (length and width are not Limit, deep 0.4-0.6 rice), plastic sheeting on pad, be then then covered with tubbiness plastic sheeting, and its one end is sealed, from the other end plus Enter the nutrient solution prepared, add about 20% strain, drain in film after air, insert aeration pump, then sealed plastic bag. Night needs 30 DEG C or so of artificial light source and keeping temperature, adjusts pH7.5-8.5, and after general 5-10 days, bacterium solution culture is ripe, and one As in the case of intensity of illumination it is bigger, growth it is faster, biomass is also big.
The small part tail water of preparing pool eutrophication will be saved, is discharged into photosynthetic bacteria culture pond, by sterilization, in right amount Supplementing culture medium (yeast extract, sodium acetate etc.) simultaneously accesses photosynthetic bacteria strain, utilizes vegetable booth thermal insulation and light transmission function, training Photosynthetic bacteria (needing simple aeration, equipment) is supported, field, pond are then applied, for the liquid fertilizer of fruits and vegetables and livestock and poultry, aquatic products Feed supplement and improver of water quality;
4) by sanitary sewage after grid impurity elimination, deoiling, current wetland is directly discharged into, then according to water outlet nutrient gradient Difference, the sanitary sewage tail water that will be treated by current wetland enters savings preparing pool or to be discharged into the ecological canal pool further Processing;
Artificial swamp handles organic matter with common subsurface wetland and heavy metal effect is preferable, if condition is permitted, also may be used To build multistage wetland series connection, delivery port is individually set, determines whether sewage needs multistage place according to effluent quality situation Reason.The filler of wetland is usually 40mm-20mm gravel and the mixture of soil, it is contemplated that the nutrient requirement of nitrogen phosphorus enters one in sewage Step recycles, in practice it has proved that and fluorite, lime stone, flyash etc. are stronger to the effect of the Nutrient absorptions such as nitrogen phosphorus, therefore in this hair It is not recommended that using in bright.In general gravel may be selected, yellow sand combination soil can meets needs, and is not easy to block.Plant Rush, thaliadeabata, yellow flag, napier grass, reed, mullet grass, Lythrum salicaria, Job's tears, vetiver etc. are generally selected, plant is as far as possible Select that resistant power is strong, good purification, the species adaptable to adverse circumstances from the natural bioremediation of locality.Accomplish one Item input many places income.Is also contemplated that the reasonably combined of multiple species in terms of Plant choosing in addition.By plant-soil gravel The wetland plant system that layer-microorganism collectively constitutes, the animal to survive in filler, the unique ecological of Institute of Micro-biology's composition, When sewage flows through bed body surface bed body filler gap, by filtering, adsorbing, precipitating, ion exchange, plant absorption and microorganism point Deng the high-efficient purification realized to sewage, processing of the artificial swamp to sewage combines physics, chemistry, biological species and acted on, to sewage The process of processing includes deposition, filtration, suction-operated, biology drop nitrification and denitrification effect etc..Wetland Area is big It is small considered according to local conditions, sewage yield etc. be designed.
5), save preparing pool needs for the temporary biogas slurry that can not be used for the moment according to actual aquatic products.

Claims (6)

1. a kind of agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method, it is characterised in that comprise the following steps:
1), the runoff tail water that eutrophication is collected using savings preparing pool is kept in, and is added microorganism and is aerated, Field is inputted in the link that crops need to apply fertilizer, or is used during the fattening moisturizing of fishpond;
2), when the capacity for saving preparing pool reaches maximum, only the ecological canal pool will be discharged into beyond the tail water of capacity, it is further net Qualified discharge or carry out being recycling in field irrigation, fishpond moisturizing as needed after change processing;
3) photosynthetic bacteria culture pond, is built, the part tail water of preparing pool will be saved, be discharged into photosynthetic bacteria culture pond, by sterilization Sterilizing, appropriate supplementing culture medium simultaneously access photosynthetic bacteria strain, using vegetable booth thermal insulation and light transmission function, cultivate photosynthetic thin Bacterium, field, pond are then applied, for the liquid fertilizer of fruits and vegetables and livestock and poultry, aquatic feeds nourishing additive agent and improver of water quality;
4) by sanitary sewage after grid impurity elimination, deoiling, current wetland is directly discharged into, then according to water outlet nutrient gradient not Together, the sanitary sewage tail water treated by current wetland is entered savings preparing pool or is discharged into the ecological canal pool and further located Reason;
5), save preparing pool needs for the temporary biogas slurry that can not be used for the moment according to actual aquatic products.
2. agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method as claimed in claim 1, it is characterised in that described The runoff tail water of eutrophication is agricultural run-off in 1 hour, the agricultural run-off after fertilising in 1-2 days and fishes and shrimps pond after rainfall Cleaning up the pond, it is dirty to change water, livestock and poultry cultivation tail water, vegetable field tail water, biogas slurry and the life in the countryside of the dirty shunting of rain by current wetland processing The one or more of water.
3. agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method as claimed in claim 1, it is characterised in that described The bottom of pond of savings preparing pool is provided with impervious barrier and soft divider wall.
4. agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method as claimed in claim 1, it is characterised in that described Photosynthetic bacteria culture pond is arranged in greenhouse culture photosynthetic bacteria, and the depth of photosynthetic bacteria culture pond is 0.4~0.5 meter.
5. agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method as claimed in claim 1, it is characterised in that described The filler of current wetland is the combination of gravel, yellow sand and soil.
6. agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method as claimed in claim 5, it is characterised in that described The plant of current wetland is the one of rush, thaliadeabata, yellow flag, napier grass, reed, mullet grass, Lythrum salicaria, Job's tears and vetiver Kind is a variety of.
CN201710844071.3A 2017-09-19 2017-09-19 A kind of agriculture tail water and domestic sewage in rural areas emission reduction circulation utilization method Pending CN107381826A (en)

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* Cited by examiner, † Cited by third party
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CN108002899A (en) * 2017-11-29 2018-05-08 河海大学 A kind of liquid fertilizer and its preparation method and application
CN110526408A (en) * 2019-09-06 2019-12-03 南京林业大学 A kind of agricultural land water quality ecological repair system and method
CN110818067A (en) * 2019-11-28 2020-02-21 中国水产科学研究院渔业机械仪器研究所 Nitrification bacteria and photosynthetic bacteria symbiotic prawn culture tail water treatment system
CN110818067B (en) * 2019-11-28 2022-02-11 中国水产科学研究院渔业机械仪器研究所 Nitrification bacteria and photosynthetic bacteria symbiotic prawn culture tail water treatment system
CN112851029A (en) * 2021-01-19 2021-05-28 苏州科技大学 Water pollution purification and resource utilization system and application thereof
CN113068592A (en) * 2021-03-02 2021-07-06 浙江省农业科学院 Method and system for differential utilization of water and fertilizer resources of rural domestic sewage
CN113387520A (en) * 2021-07-20 2021-09-14 江苏汇龙水务集团有限公司 Method for recycling rural domestic sewage

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Application publication date: 20171124