CN107500483A - A kind of domestic sewage in rural areas ecological treatment method and system - Google Patents

A kind of domestic sewage in rural areas ecological treatment method and system Download PDF

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Publication number
CN107500483A
CN107500483A CN201710923643.7A CN201710923643A CN107500483A CN 107500483 A CN107500483 A CN 107500483A CN 201710923643 A CN201710923643 A CN 201710923643A CN 107500483 A CN107500483 A CN 107500483A
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China
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level
ecological
wetland
tank
regulation
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Inventor
吴金水
肖润林
齐兰贵
刘锋
肖天齐
戴岳洋
李裕元
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Jiangmen Huanyue Environmental Protection Technology Co ltd
Institute of Subtropical Agriculture of CAS
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Jiangmen Huanyue Environmental Protection Technology Co ltd
Institute of Subtropical Agriculture of CAS
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Priority to CN201710923643.7A priority Critical patent/CN107500483A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment
    • 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

Abstract

The present invention relates to a kind of ecological treatment method of domestic sewage in rural areas and system, the systems attempt is poor using the natural height in village corner wasteland, sanitary sewage adjusts the natural flow process between bio-matrix processing pond, ecological wetland in front end, the pollutants such as nitrogen phosphorus are by plant absorptions such as green watermifoils, purified by nitration denitrification microorganism and anaerobic ammonia oxidation microbiological etc., adsorbed by clay etc., the system architecture is simple, maintenance management is convenient, treatment effect is stable, running does not need consumption electric power and flocculant etc., and maintenance operation expense is low;The pollutant such as COD, nitrogen, phosphorus in effective decontrol domestic sewage in rural areas, stably reach national domestic sewage treatment primary standard, suitably applied in the vast Subtropical hilly regions of China, feed feeding chicken, duck, goose, pig etc. can be produced after green watermifoil harvesting in ecological wetland, wetland maintenance process can produce certain economic benefit.

Description

A kind of domestic sewage in rural areas ecological treatment method and system
Technical field
It is special the invention belongs to field of environmental technology, more particularly to a kind of domestic sewage in rural areas ecological treatment method and system Not Shi Yongyu subtropical zone rural area natural village, gathering ground or small watershed, utilize village corner vacant land (wasteland) to handle daily life Sewage living, realize the water correction of rural area small pond, streamlet.
Background technology
As countryside and peasantry living standard improves and inproving living environment, between rural health, the life such as shower house, washing machine The popularization and application of facility, the random discharge of domestic sewage in rural areas cause COD in water body, the ammonia such as the pond in rural area, irrigation canals and ditches, streams Nitrogen, total nitrogen, total phosphor contaminant are exceeded serious, cause Rural Water Environment problem outstanding day by day.Domestic sewage of villages and small towns, scattered cultivation are useless Water and processing of farm products blowdown turn into important agricultural environment pollution source.According to Chinese Ministry of Environmental Protection's survey data, occupied by Chinese villages and small towns Sanitary sewage discharges 90 liters/man day to the people per capita, in sanitary sewage COD, total nitrogen and total phosphorus content be respectively 205mg/L, There are 6.4 hundred million villages and small towns populations in 50mg/L and 5.5mg/L meters, current China, and the COD discharged every year, total nitrogen and total phosphorus are up to respectively 431.0th, 105.1 and 11.6 ten thousand tons.It is dirty with city because Rural Water Environment pollution source is complicated, distribution is wide, difficulty of governance is big Water process is compared, it is difficult to which centralized collection, unsuitable using the tupe excessively concentrated, (peasant household is sparsely populated, and pipe network is collected dirty The cost of water is too high).Rural sewage treatment pattern and technology generally can be divided into focus on, decentralized processing and treatment in situ mould Formula.(1) pattern is focused on:The pattern of focusing on is suitable for the villages and small towns having a large population, the density of population is big and sewage yield is big;Adopt Sewage is collected with pipe network, establishes sewage treatment plant, sewage can qualified discharge or reuse after processing.The sewage disposal skill of generally use The active sludge of art and the methods of SBR.(2) decentralized processing pattern:The major technique of domestic and international separated practices sanitary sewage There are wet land treating system, High-Rate Algae Pond technology, artificial wet land treating system and anaerobic methane pool technology etc..(3) traditional original Position sewage disposal system (septic tank) go to denitrogenate, effect is poor in terms of phosphorus compound and pathogenic organisms, be only used as pretreatment and set It is standby to be prepared for further improvement.Promoting rural sewage treatment process now includes aeration tank, biofilter, activated sludge process (SBR) reactor, stabilization pond, artificial swamp etc., three kinds of sewage disposal technologies of frequency of use highest are:Catalytic oxidation, oxidation Ditch and rapid infiltration system.Contact oxidation method is one kind of biomembrance process, and oxidation ditch is using ripe manual system, is quickly oozed Filter is the very low land treatment system of cost.It can be seen that quick diafiltration and oxidation pond technology construction based on natural system, fortune Row cost is relatively low, next to that catalytic oxidation and BAF based on biomembrance process, and SBR, oxygen based on manual system It is all higher to change the cost of erection of ditch and traditional activated sludge process, to consume the chemical agents such as certain electric energy and flocculant, to arrange Personal management safeguards that operating cost is also higher.From treatment effect, shock resistance, operational management, whether save, occupation of land face Product etc. is analyzed, it can be seen that above-mentioned technology all has certain technical problem, and engineering and economical operation input are negative Load is still above user's ability to bear.
Chinese countryside domestic sewage treatment must reduce the yield of pollution from source, absorb foreign advanced experience, will Domestic sewage in rural areas is administered and is combined with circulationization, recycling, is carried out ecology on the spot in small watershed (gathering ground) source and is controlled Reason.Need to research and develop construction cost less investment, the decentralized that maintenance management is simple, operating cost is low, ecological village sanitary sewage Handle new technology and new model.
The content of the invention
The purpose of the present invention is to be the provision of a kind of domestic sewage in rural areas administering method, and this method builds less investment, dimension Shield cost is low, and running is without using any chemical floc (such as aluminium polychloride), the current between processing system is at different levels Flowed naturally by the drop of landform, do not need electric power, maintenance management is simple and convenient, and regulation effect is good, effective decontrol rural area The pollutant such as COD, nitrogen, phosphorus (stably reaching national domestic sewage treatment primary standard) in sanitary sewage, it is suitably vast in China Subtropical hilly regions are applied, and can produce feed feeding chicken, duck, goose, pig etc., wetland dimension in ecological wetland after green watermifoil harvesting Shield process can produce certain economic benefit.
Another object of the present invention is to be the provision of the system that a kind of domestic sewage in rural areas is administered, the systems attempt Natural height using village corner wasteland (vacant land) is poor, and sanitary sewage is in front end regulation and bio-matrix processing pond, ecology The pollutant such as natural flow process, nitrogen phosphorus by nitration denitrification microorganism and is detested by plant absorptions such as green watermifoils between wetland Anaerobic ammonium oxidation microorganism etc. purifies, and is adsorbed by clay etc., and the system architecture is simple, and (construction cost only has existing sewage treatment facility 1/3rd or so), maintenance management is convenient, and treatment effect is stable, and running does not need consumption electric power and flocculant etc., dimension It is low (only 1/10th or so of existing sewage treatment facility) to protect operating cost.
In order to realize above-mentioned purpose, the technical solution adopted by the present invention is:
A kind of ecological treatment method of domestic sewage in rural areas, is comprised the following steps that:
A, grid pond is handled:Pending domestic sewage in rural areas is introduced into grid pond by pipe network or irrigation canals and ditches, to intercept The bulk such as rubbish suspension and floating object;
B, the regulation of one-level front end is handled with bio-matrix clarifier-tank:The regulation of one-level front end and bio-matrix clarifier-tank are built, Straw and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium are added, the life in the countryside that will be treated through grid pond Sewage introduces one-level front end regulation and bio-matrix clarifier-tank by pipeline, on the one hand carry out carbon-nitrogen ratio in sanitary sewage, The harmful substance of the regulation of acid-base value and microbial population, another aspect interception fine particulates and some influence plant growths, Degraded part COD and ammonia nitrogen;The addition of the straw adds 100- according to design day processing sanitary sewage amount, sewage per ton 150kg straw;
C, the regulation of two level front end is handled with bio-matrix clarifier-tank:The regulation of two level front end and bio-matrix clarifier-tank are built, Straw and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium are added, will be through the regulation of one-level front end and bio-matrix The treated domestic sewage in rural areas of clarifier-tank introduces the regulation of two level front end by pipeline and handled with bio-matrix clarifier-tank;Institute The addition for stating straw adds 100-150kg straw according to design day processing sanitary sewage amount, sewage per ton;
D, the regulation of three-level front end is handled with bio-matrix clarifier-tank:The regulation of three-level front end and bio-matrix clarifier-tank are built, Straw and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium are added, will be through the regulation of two level front end and bio-matrix The treated domestic sewage in rural areas of clarifier-tank introduces the regulation of three-level front end by pipeline and handled with bio-matrix clarifier-tank;Institute The addition for stating straw adds 100-150kg straw according to design day processing sanitary sewage amount, sewage per ton;
E, one-level ecological wetland is handled:Construction one-level ecological wetland, the clay of the wetland underfill 48-62cm, and Green watermifoil is planted, green watermifoil is planted and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, is kept 30-35cm water depth;The domestic sewage in rural areas treated through the regulation of three-level front end with bio-matrix clarifier-tank is passed through into pipeline One-level ecological wetland is introduced to be handled;
F, two level ecological wetland is handled:Construction two level ecological wetland, the clay of the wetland underfill 18-22cm, and Green watermifoil is planted, green watermifoil is planted and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, is kept 70-90cm water depth;Two level ecological wetland will be introduced by pipeline through the domestic sewage in rural areas that one-level ecological wetland treats Handled;
G, three-level ecological wetland is handled:Construction three-level ecological wetland, the clay of the wetland underfill 48-62cm, and Green watermifoil is planted, green watermifoil is planted and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, is kept 30-35cm water depth;Three-level ecological wetland will be introduced by pipeline through the domestic sewage in rural areas that two level ecological wetland treats Handled;
H, level Four ecological wetland is handled:Construction level Four ecological wetland, the clay of the wetland underfill 18-22cm, and Green watermifoil is planted, green watermifoil is planted and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, is kept 70-90cm water depth;Level Four ecological wetland will be introduced by pipeline through the domestic sewage in rural areas that three-level ecological wetland treats Handled;
I, Pyatyi ecological wetland is handled:Construction Pyatyi ecological wetland, the clay of the wetland underfill 48-62cm, and Green watermifoil is planted, green watermifoil is planted and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, is kept 30-35cm water depth;Pyatyi ecological wetland will be introduced by pipeline through the domestic sewage in rural areas that level Four ecological wetland treats Handled;
J, six grades of ecological wetland processing:Six grades of ecological wetlands of construction, the clay of the wetland underfill 18-22cm, and Green watermifoil is planted, green watermifoil is planted and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, is kept 70-90cm water depth;Six grades of ecological wetlands will be introduced by pipeline through the domestic sewage in rural areas that Pyatyi ecological wetland treats Handled;
K, seven grades of ecological wetland processing:Seven grades of ecological wetlands of construction, the clay of the wetland underfill 18-22cm, and Green watermifoil is planted, green watermifoil is planted and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, is kept 70-90cm water depth, in addition, putting appropriate loach, swamp eel in a suitable place to breed;The domestic sewage in rural areas that will be treated through six grades of ecological wetlands Seven grades of ecological wetlands are introduced by pipeline to be handled;
L, eight grades of ecological wetland processing:Eight grades of ecological wetlands of construction, the clay of the wetland underfill 18-22cm, and Green watermifoil is planted, green watermifoil is planted and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium, green fox is sprayed after 15 days Tail algae reaches 50% in the coverage rate of the water surface, keeps 70-90cm water depth, in addition, putting appropriate carp fry and carp fry in a suitable place to breed; Handled eight grades of ecological wetlands are introduced by pipeline through the domestic sewage in rural areas that seven grades of ecological wetlands treat, after processing Sanitary sewage qualified discharge.
Wherein, one-level front end regulation and bio-matrix clarifier-tank, the regulation of two level front end and bio-matrix clarifier-tank and Three-level front end adjusts in needing toward pond every 5-7 months with bio-matrix clarifier-tank and adds 1-2 tons or so straw;Described one to three The regulation of level front end in bio-matrix clarifier-tank with being also added with microbial inoculums of the 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium.
Preferably, the volume of the front end regulation and bio-matrix clarifier-tank is the 2-3 of sanitary sewage design treatment amount Times.
Preferably, the volume of the one-level ecological wetland, two level ecological wetland, three-level ecological wetland and level Four ecological wetland For 1.5-3 times of sanitary sewage design treatment amount.
Preferably, the clay is red soil fine earth.
Preferably, the frame of the ecological wetland is cement brick mix structure.
Preferably, the front end regulation and the frame of bio-matrix clarifier-tank mix pool construction for cement brick, and its bottom is entered Row Anti-seeping technology.
In addition, present invention also offers the system that a kind of domestic sewage in rural areas is administered, it is by grid pond (A), one-level front end Regulation and bio-matrix clarifier-tank (B), the regulation of two level front end and bio-matrix clarifier-tank (C), the regulation of three-level front end and bio-based Matter clarifier-tank (D), one-level ecological wetland (E), two level ecological wetland (F), the green ecological wetland of three-level (G), level Four ecological wetland (H), Pyatyi ecological wetland (I), six grades of ecological wetlands (J), seven grades of ecological wetlands (K), eight grades of ecological wetland (L) compositions;It is special Sign is:One-level front end adjust with bio-matrix clarifier-tank (B) by pipeline respectively with grid pond (A), two level front end regulation with Bio-matrix clarifier-tank (C) be connected, three-level front end regulation with bio-matrix clarifier-tank (D) by pipeline respectively with two level front end Regulation is connected with bio-matrix clarifier-tank (C), one-level ecological wetland (E), and one-level ecological wetland (E) is by pipeline respectively with three The regulation of level front end is connected with bio-matrix clarifier-tank (D), two level ecological wetland (F), and the green ecological wetland of three-level (G) passes through pipeline point Be not connected with two level ecological wetland (F), level Four ecological wetland (H), level Four ecological wetland (H) by pipeline respectively with the green life of three-level State wet (G), Pyatyi ecological wetland (I) be connected, Pyatyi ecological wetland (I) by pipeline respectively with level Four ecological wetland (H), six grades Ecological wetland (J) be connected, six grades of ecological wetlands (J) by pipeline respectively with Pyatyi ecological wetland (I), seven grades of ecological wetlands (K) It is connected, seven grades of ecological wetlands (K) are connected by pipeline with eight grades of ecological wetlands (L).
Wherein:The one-level to the regulation of three-level front end with launched in bio-matrix clarifier-tank have straw and containing nitrifier and The microbial inoculum of the microorganisms such as denitrifying bacterium;The underfill of one to eight grade of ecological wetland has clay, and plants green watermifoil, kind Plant green watermifoil and the microbial inoculum containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days.
By said system, sanitary sewage is in system by front end to end (front and rear), equal by surface to bottom (upper and lower) Uniform flow moves, sewage and bio-matrix (straw and related microorganisms) fully contact, sewage and with green watermifoil plant and its attachment Microorganism on green watermifoil fully contacts, and in favor of absorption of the green watermifoil to nitrogen phosphorus, conversion of the microorganism to ammonia nitrogen, obtains Obtain the identical treatment effect stable to pollutant.
In addition, in the present invention:
Described front end regulation and bio-matrix clarifier-tank:It is reinforced concrete structure that front end, which is adjusted with bio-matrix clarifier-tank, The design volume of pond, depth 150-200cm, every grade of front end regulation and bio-matrix clarifier-tank is the 2- of life sewage load 3 times, the standard for adding 100-150kg straw according to sanitary sewage per ton first adds straw, at the same add containing nitrifier and The microbial inoculum 1-2kg of the microorganisms such as denitrifying bacterium;Later every half a year adds a straw according to the 50% of addition first.Adjust front end Section is carbon-nitrogen ratio, acid-base value and microbial population in regulation sanitary sewage with bio-matrix clarifier-tank major function, and is intercepted thin The harmful substance (such as grease) of microparticle thing and some influence plant growths, degraded part COD and ammonia nitrogen.
Described green watermifoil ecological wetland:Ecological wetland is reinforced concrete structure or cement brick mix structure, wetland bottom Portion's filling 20-62cm clays (red soil fine earth), 25-90cm water depths are kept, every grade of ecological wetland design volume is sanitary sewage 1.5-3 times for the treatment of capacity, plant green watermifoil.Green watermifoil is planted to spray after 15 days containing micro- lifes such as nitrifier and denitrifying bacteriums The microbial inoculum 1-2kg of thing, start after 10 days front end regulation and the sanitary sewage importing ecology after the processing of bio-matrix clarifier-tank is wet Ground.Green watermifoil grows soon in high ammonia nitrogen water environment, and biomass is up to 10000-12000kg/667m2, it is necessary to absorb a large amount of Nitrogen and phosphorus (per m2The green watermifoil growth of wetland is about 0.6kg/ to the uptake of nitrogen, and the absorption to phosphorus is about 0.1kg/ Year);By nitrifying microorganisms, denitrifying microorganism, anaerobic ammonia oxidation microbiological with green watermifoil symbiosis etc. by mineralized nitrogen It is annual per m for nitrogen2The green watermifoil of wetland is by can be by 1.0- with its symbiotic microorganism nitration denitrification, Anammox etc. 1.2kg mineralized nitrogens are the nitrogen in air.
Described green watermifoil:Scientific name Myriophylium clatinoides, it is Haloragaceae Myriophyllum draft Plant, the plant can reach the contaminant water of 500-900mg/L high concentration in COD contents up to 3000-5000mg/L, ammonia-nitrogen content Grown in body, biomass is up to 150-225 tons hay/hectare, has superpower absorption and degraded energy to nitrogen phosphorus in polluted-water Power;The plant, which has, secretes oxygen function, dissolved oxygen content in contaminated water body can be dramatically increased, in favor of animal and microorganism in water Growth procreation, strengthen the ecological self-purification ability of water body;Green watermifoil can be with nitrifying microorganisms, denitrifying microorganism, anaerobism ammonia oxygen Change the symbiosis such as microorganism;Green watermifoil or a kind of high-quality feed resource, crude protein content are up to 19-23%, rich in various dimensions Raw element, amino acid, mineral matter etc., pig, ox, chicken, geese and ducks, fish etc. can be processed within 15-20 days with partially dehydrated after fermentation through crushing Animal feed, for carrying out ecologic breeding.
The described microbial inoculum containing the microorganism such as nitrifier and denitrifying bacterium:Such as the limited public affairs of section's vigor biotechnology in Wuxi Department's production microbial bacterial agent " red bacterium protect No. 6 ", is patented product, number of patent application 201110030121.7, contains nitre in product Change bacterium and denitrifying bacterium population.
In the present invention, main technical concept is:
Processing method of the present invention is suitable for about 100-300 families, population 300-900 people, day discharge sanitary sewage 20-60 tons Rural area concentrate residential area (natural group).Suit measures to local conditions every family sanitary sewage is pooled into the residential block using pipe network and compare Low-lying place establish by 1 grade of grid pond, 3 grades of front ends regulations and bio-matrix clarifier-tank, 8 grades of green watermifoil ecological wetlands, form Rural domestic sewage treatment system, the pollutant load that system end wetland discharges COD, ammonia nitrogen and total phosphorus in water are controlled in state Environmental protection general bureau of family is in 2002 issuing and implementation《People's Republic of China's city domestic sewage discharge standard》(GB18918- 2002) below one-level Con trolling index value.In ecological wetland the green watermifoil of plant of plantation can produce feed feeding chicken, duck, goose, Pig, ox, sheep, fish etc..
In the present invention, the action principle of each processing step is as follows:
Front end is adjusted mainly adjusts carbon-nitrogen ratio, pH and microbial population in sanitary sewage with bio-matrix purification techniques, Intercepting fine particulates and some influences the harmful substance (such as grease) of plant growth, degrade part COD and ammonia nitrogen;Ecology Wetland purification technology relies primarily on green watermifoil, and (green watermifoil grows soon in high ammonia nitrogen water environment, and biomass is up to 10000- 12000kg/667m2, it is necessary to substantial amounts of nitrogen and phosphorus are absorbed (per m2The green watermifoil growth of wetland is about 0.6kg/ to the uptake of nitrogen Year, the absorption to phosphorus is about 0.1kg/) growth absorbs substantial amounts of nitrogen and phosphorus, green watermifoil and nitrifying microorganisms, denitrification are micro- The symbiosis such as biology, anaerobic ammonia oxidation microbiological and by microorganism nitration denitrification, Anammox etc. by mineralized nitrogen for sky Nitrogen in gas.Organically combined by front end regulation with technologies such as bio-matrix processing, ecological wetland purifications and reach system end The pollutant load such as COD, ammonia nitrogen, total nitrogen, phosphate and total phosphorus is stably issued less than State Environmental Protection Administration in 2002 in water outlet What cloth was implemented《People's Republic of China's city domestic sewage discharge standard (GB18918-2002)》One-level Con trolling index value.It is sent out The bright progress relative to existing domestic sewage treatment technology has that to build less investment, maintenance cost low, and running is without using appointing What chemical floc (such as aluminium polychloride), does not produce secondary pollution, and the current between processing system is at different levels are by landform Drop flows, does not need electric power naturally, and maintenance management is simple and convenient, and regulation effect is good and stably.
Compared with existing domestic sewage in rural areas administering method, the present invention has advantages below and effect:
(1) possesses novelty on administering method:The existing improvement for domestic sewage in rural areas has had a lot at present Method, but based on mainly being administered with engineering measure, using technologies such as waterfall gas, anaerobism, biomembrane, flocculations.The present invention is for sub- heat The characteristics of water more with hills area, be main technology essential factor using green watermifoil ecological wetland, passes through green watermifoil and grows interception suction The nitrogen phosphorus in water body, particularly green watermifoil and nitration denitrification, anaerobic ammonia oxidation microbiological symbiosis are received, ammonia nitrogen in water body is turned Nitrogen purifying water body is turned to, green watermifoil is re-used as feed resource utilization;
(2) construction cost is low:The most important construction cost of the present invention includes pipe network system and processing system two parts, handles System includes 3 grades of sewage front end regulations and bio-matrix processing pond, multistage green watermifoil ecological wetland, 1 grade of current wetland, adds up to Between ten thousand yuan of cost 6-10, villages and towns in rural areas, Zu Deng collectives of village can receive;
(3) operating cost is low, simple to operate:Majority needs electric power equal energy source in existing sanitary sewage disposal technology, and originally Processing method mainly utilizes the driving force of nature gradient, devises 4 grades of front end regulations and bio-matrix processing pond and 14 grades of ecologies Wetland, designs 5cm or so difference in height between upper level and next stage, water body is in bio-matrix processing pond, green watermifoil wetland, latent Constantly flowed in stream wetland.Water body flows incessantly promotes sewage and bio-matrix (straw and related microorganisms) fully to connect Touch, sewage fully contacts with sorbing material, sewage and is filled with green watermifoil plant and its microorganism being attached on green watermifoil Tap is touched, and in favor of absorption of the green watermifoil to nitrogen phosphorus, conversion of the microorganism to ammonia nitrogen, obtains the identical place stable to pollutant Manage effect;The system need not be aerated, it is not necessary to add chemical floc etc., it is not required that professional maintenance management troop.It is flat Normal daily management and maintenance is that ecological wetland needs weeds (annual 4-5 times) of mowing and remove, front end regulation and bio-matrix Processing pond needs to add straw (annual 1 time), operates very simple;A set of rural domestic sewage treatment system operation of 1 year About 2000 yuan or so of administration fee;
(4) regulation effect is good:This treatment method for rural sewage front end is adjusted lives with the regulation of bio-matrix clarifier-tank Carbon-nitrogen ratio, acid-base value and microbial population in sewage, intercepting fine particulates and some influences the harmful substance of plant growth (such as Grease etc.), degraded COD.Green watermifoil absorbed nitrogen phosphorus in multi-stage ecological wetland, it is attached to the anti-nitre of nitrification of plant surface microorganism Change effect can the effective pollutant such as the ammonia nitrogen of decontrol polluted-water, phosphorus, major pollutants content can stably be less than in the draining of end 《People's Republic of China's city domestic sewage discharge standard (GB18918-2002)》One-level Con trolling index value (table 3).
(5) recycling:The green watermifoil of ecological wetland plant is a kind of high-quality feed resource, crude protein, crude fat, thick The nutritional ingredient such as fiber, vitamin, amino acid, mineral matter equal size height (being shown in Table 1, table 2), quality and clover, clover are suitable, Per hectare ecological wetland can produce green fox-brush 150 tons (dry weights), and in southern area, its yield is 6-8 times of clover and corn, using this Technology governance domestic sewage in rural areas and by green watermifoil fodder, can reduce dependence of the breeding feed to high-quality arable land, to solution Certainly Chinese grain security is of great significance.
Brief description of the drawings
Fig. 1 is a kind of domestic sewage processing system schematic diagram of the present invention;
Fig. 2 is a kind of domestic sewage processing system current floor map of the present invention;
Fig. 3 is a kind of domestic sewage processing system water flow section schematic diagram of the present invention;
Wherein:A- grid ponds, the regulation of B- one-levels front end and bio-matrix clarifier-tank, the regulation of C- two levels front end and biology Matrix clarifier-tank, the regulation of D- three-levels front end and bio-matrix clarifier-tank, E- one-levels ecological wetland, F two levels ecological wetland, G- Seven grades of three-level ecological wetland, the green ecological wetland of H- level Four, the green ecological wetland of I- Pyatyis, six grades of ecological wetlands of J-, K- ecologies Eight grades of wetland, L- ecological wetlands.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned Other embodiment, belong to the scope that the present invention is protected.
Embodiment 1:
A kind of domestic sewage in rural areas ecological treatment method, with a horse team of four horses of Jiangmen City of Guangdong Province Xinhui District Hui Cheng streets Tan Chong villages group Exemplified by demonstration project, the ecological management engineering summarizes the sanitary sewage of the people of Tan Chong villages Huang room group more than 260, engineering design processing rule Mould is 30 ton days.The domestic sewage in rural areas Ecological Disposal engineering suits measures to local conditions to utilize a piece of 300m in the edge of the village2Wasteland and brook by The length 72m discarded by the solidification of brook side slope long and narrow uncultivated depression (irrigation canals and ditches to go out of use for many years), opens on March 6th, 2017 Begin to construct.Start 21-24 days in April in front end regulation and bio-matrix pond addition straw, green watermifoil is planted in ecological wetland, 5 The moon 5 protected No. 6 in front end regulation and bio-matrix pond, the red bacterium of ecological wetland sprinkling microbial bacterial agent respectively;May 18 started past Access sanitary sewage in system, COD in August collection water sample analysis result display system end wetland discharge water on the 10th, ammonia nitrogen, The pollutant load such as total nitrogen and total phosphorus is below State Environmental Protection Administration in 2002 issuing and implementation《People's Republic of China (PRC) city City's sanitary sewage discharge standard (GB18918-2002)》One-level Con trolling index value (table 3).
It can be seen from Fig. 1, Fig. 2, a kind of domestic sewage in rural areas ecological treatment method of the present embodiment, it comprises the following steps:
A, grid pond is handled:Pending domestic sewage in rural areas is introduced into grid pond by pipe network or irrigation canals and ditches, to intercept The bulk such as rubbish suspension and floating object, and the periodic cleaning grid pond rubbish intercepted and the silt precipitated;
B, the regulation of one-level front end is handled with bio-matrix clarifier-tank:The regulation of one-level front end and bio-matrix clarifier-tank are built, 3.0 tons of straw are put into simultaneously and the red bacterium of 1.5kg microbial bacterial agents protects No. 6, and the domestic sewage in rural areas treated through grid pond is led to Piping introduces the one-level front end regulation and bio-matrix clarifier-tank bottom, on the one hand carries out carbon-nitrogen ratio, acid in sanitary sewage The regulation of basicity and microbial population, on the other hand intercepting fine particulates and some influences the harmful substance of plant growth, drop Solve part COD and ammonia nitrogen;It is reinforced concrete pool construction that the one-level front end, which is adjusted with bio-matrix pool side frame, and its bottom is prevented Processing is oozed, design specification is long 1000cm, wide 500cm, deep 150cm;
C, the regulation of two level front end is handled with bio-matrix clarifier-tank:The regulation of two level front end and bio-matrix clarifier-tank are built, 3.0 tons of straw are put into simultaneously and the red bacterium of 1.5kg microbial bacterial agents protects No. 6, will be adjusted and bio-matrix clarifier-tank through one-level front end Treated domestic sewage in rural areas introduces the regulation of two level front end by pipeline and the bottom of bio-matrix clarifier-tank is handled;Should It is reinforced concrete pool construction that two level front end, which is adjusted with bio-matrix pool side frame, and its bottom carries out Anti-seeping technology, and design specification is Long 1000cm, wide 500cm, deep 150cm;
D, the regulation of three-level front end is handled with bio-matrix clarifier-tank:The regulation of three-level front end and bio-matrix clarifier-tank are built, 3.0 tons of straw are put into simultaneously and the red bacterium of 1.5kg microbial bacterial agents protects No. 6, will be adjusted and bio-matrix clarifier-tank through two level front end Treated domestic sewage in rural areas introduces the regulation of three-level front end by pipeline and handled with bio-matrix clarifier-tank;Before the three-level End regulation is reinforced concrete pool construction with bio-matrix pool side frame, and its bottom carries out Anti-seeping technology, and design specification is length 1000cm, wide 500cm, deep 150cm;
E, one-level ecological wetland is handled:Construction one-level ecological wetland, the red soil fine earth of the wetland underfill 60cm, and Green watermifoil is planted, green watermifoil is planted and microbial bacterial agent No. 6 1.5kg of red bacterium guarantor is sprayed after 15 days, keep the 35cm depth of water Degree;It is wet by one-level ecology is introduced by pipeline with the domestic sewage in rural areas that bio-matrix clarifier-tank treats through the regulation of three-level front end Ground is handled;This grade of ecological wetland frame is that cement brick mixes pool construction, and its bottom carries out Anti-seeping technology, and design specification is length 1500cm, wide 400cm, deep 100cm;
F, two level ecological wetland is handled:Construction two level ecological wetland, the red soil fine earth of the wetland underfill 20cm, and Green watermifoil is planted, green watermifoil is planted and microbial bacterial agent No. 6 1.5kg of red bacterium guarantor is sprayed after 15 days, keep the 75cm depth of water Degree;Handled two level ecological wetland is introduced by pipeline through the domestic sewage in rural areas that one-level ecological wetland treats;The level Ecological wetland frame is that cement brick mixes pool construction, and its bottom carries out Anti-seeping technology, and design specification is long 1500cm, wide 400cm, Deep 100cm;
G, three-level ecological wetland is handled:Construction three-level ecological wetland, the red soil fine earth of the wetland underfill 60cm, and Green watermifoil is planted, green watermifoil is planted and microbial bacterial agent No. 6 1.5kg of red bacterium guarantor is sprayed after 15 days, keep 35cm water depth; Handled three-level ecological wetland is introduced by pipeline through the domestic sewage in rural areas that two level ecological wetland treats;This grade of ecology Wetland frame is that cement brick mixes pool construction, and its bottom carries out Anti-seeping technology, and design specification be long 1500cm, wide 400cm, depth 100cm;
H, level Four ecological wetland is handled:Construction level Four ecological wetland, the red soil fine earth of the wetland underfill 20cm, and Green watermifoil is planted, green watermifoil is planted and microbial bacterial agent No. 6 1.5kg of red bacterium guarantor is sprayed after 15 days, keep 75cm water depth; Handled level Four ecological wetland is introduced by pipeline through the domestic sewage in rural areas that three-level ecological wetland treats;This grade of ecology Wetland frame is cement brick mix structure, and design specification is long 1500cm, wide 400cm, deep 120cm;
I, Pyatyi ecological wetland is handled:Construction Pyatyi ecological wetland, the red soil fine earth of the wetland underfill 20cm, and Green watermifoil is planted, green watermifoil is planted and microbial bacterial agent No. 6 1.5kg of red bacterium guarantor is sprayed after 15 days, keep 70cm water depth; Handled Pyatyi ecological wetland is introduced by pipeline through the domestic sewage in rural areas that level Four ecological wetland treats;This grade of ecology Wetland frame is cement brick mix structure, and design specification is long 1500cm, wide 400cm, deep 120cm;
J, six grades of ecological wetland processing:Six grades of ecological wetlands of construction, the red soil fine earth of the wetland underfill 20cm, and Green watermifoil is planted, green watermifoil is planted and microbial bacterial agent No. 6 1kg of red bacterium guarantor is sprayed after 15 days, keep 73cm water depth;Will Six grades of ecological wetlands are introduced through the domestic sewage in rural areas that Pyatyi ecological wetland treats by pipeline to be handled;This grade of ecology is wet Ground frame is cement brick mix structure, and design specification is long 1800cm, wide 400cm, deep 100cm;
K, seven grades of ecological wetland processing:Seven grades of ecological wetlands of construction, the red soil fine earth of the wetland underfill 20cm, and Green watermifoil is planted, green watermifoil is planted and microbial bacterial agent No. 6 1kg of red bacterium guarantor is sprayed after 15 days, plant green watermifoil, keep 72cm water depth, put loach, swamp eel in a suitable place to breed;Through the domestic sewage in rural areas that six grades of ecological wetlands treat seven will be introduced by pipeline Level ecological wetland is handled;This grade of ecological wetland frame is cement brick mix structure, and design specification is long 1800cm, wide 400cm, Deep 100cm;
L, eight grades of ecological wetland processing:Eight grades of ecological wetlands of construction, the red soil fine earth of the wetland underfill 20cm, and Green watermifoil is planted, green watermifoil is planted and microbial bacterial agent No. 6 1kg of red bacterium guarantor is sprayed after 15 days, keep 90cm water depth, put Support the tail of carp fry 100 and the tail of carp fry 50;Through the domestic sewage in rural areas that seven grades of ecological wetlands treat eight will be introduced by pipeline Level ecological wetland is handled;This grade of ecological wetland frame is cement brick mix structure, and design specification is long 1800cm, wide 400cm, Deep 100cm.
Table 1 below is green watermifoil Major Nutrient and mineral composition content in the embodiment of the present invention:
The green watermifoil Major Nutrient of table 1 and mineral composition content (mg/g dry weights)
Crude protein Crude fat Crude fibre VC VB Carrotene Ca P Zn
213.6 16.5 220.1 5.542 0.533 0.336 3.89 3.66 2.21
Table 2 below is that main amino acid forms in green watermifoil in the embodiment of the present invention:
Main amino acid composition (mg/g dry weights) in 2 green watermifoil of table
Glutamic acid Lysine Alanine Serine Valine Arginine Tyrosine Asparatate
2.684 0.217 0.399 0.381 0.320 0.344 0.195 0.163
Table 3 below is the embodiment of the present invention to Jiangmen City of Guangdong Province Xinhui District Hui Cheng streets Tan Chong villages sanitary sewage disposal effect (the water sampling analysis result on the 10th of August in 2017):
The domestic sewage in rural areas major pollutants treatment effect of table 3
Embodiment 2
The system that a kind of domestic sewage in rural areas is administered, it by grid pond A, the regulation of one-level front end and bio-matrix clarifier-tank B, Two level front end is adjusted and bio-matrix clarifier-tank C, the regulation of three-level front end and bio-matrix clarifier-tank D, one-level ecological wetland E, two Level ecological wetland F, the green ecological wetland G of three-level, level Four ecological wetland H, Pyatyi ecological wetland I, six grades of ecological wetland J, seven grades of lifes State wetland K, eight grades of ecological wetland L compositions;Wherein:One-level front end is adjusted distinguishes dative with bio-matrix clarifier-tank B by pipeline Grid pond A, the regulation of two level front end are connected with bio-matrix clarifier-tank C, and the regulation of three-level front end passes through pipeline with bio-matrix clarifier-tank D Adjust with two level front end and be connected with bio-matrix clarifier-tank C, one-level ecological wetland E respectively, one-level ecological wetland E passes through pipeline point Do not adjust with three-level front end and be connected with bio-matrix clarifier-tank D, two level ecological wetland F, three-level ecological wetland G passes through pipeline point Be not connected with two level ecological wetland F, level Four ecological wetland H, level Four ecological wetland H by pipeline respectively G wet with the green ecology of three-level, Pyatyi ecological wetland I is connected, and Pyatyi ecological wetland I is connected with level Four ecological wetland H, six grades of ecological wetland J respectively by pipeline, Six grades of ecological wetland J are connected with Pyatyi ecological wetland I, seven grades of ecological wetland K respectively by pipeline, and seven grades of ecological wetland K pass through Pipeline is connected with eight grades of ecological wetland L;
Wherein, the one-level is adjusted to three-level front end has straw and microbial bacterial agent red with being launched in bio-matrix clarifier-tank Bacterium protects No. 6;The underfill of one to eight grade of ecological wetland has clay, and plants green watermifoil, plants green watermifoil 15 days The red bacterium of microbial bacterial agent is sprayed afterwards protects No. 6.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (9)

1. a kind of ecological treatment method of domestic sewage in rural areas, it is characterised in that comprise the following steps that:
A, grid pond is handled:Pending domestic sewage in rural areas is introduced into grid pond by pipe network or irrigation canals and ditches, with catching rubbish Etc. bulk suspension and floating object;
B, the regulation of one-level front end is handled with biomass clarifier-tank:The regulation of one-level front end and biomass clarifier-tank are built, adds straw With the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium, the domestic sewage in rural areas treated through grid pond is passed through Pipeline introduces one-level front end regulation and biomass clarifier-tank, on the one hand carries out carbon-nitrogen ratio in sanitary sewage, acid-base value and micro- The regulation of biotic population, on the other hand intercepting fine particulates and some influences the harmful substance of plant growth, degraded part COD And ammonia nitrogen;The addition of the straw adds 100-150kg straw according to design day processing sanitary sewage amount, sewage per ton;
C, the regulation of two level front end is handled with biomass clarifier-tank:The regulation of two level front end and biomass clarifier-tank are built, adds straw With the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium, it will adjust through one-level front end and be handled with biomass clarifier-tank The domestic sewage in rural areas crossed introduces the regulation of two level front end by pipeline and handled with biomass clarifier-tank;The addition of the straw Amount adds 100-150kg straw according to design day processing sanitary sewage amount, sewage per ton;
D, the regulation of three-level front end is handled with biomass clarifier-tank:The regulation of three-level front end and biomass clarifier-tank are built, adds straw With the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium, it will adjust through two level front end and be handled with biomass clarifier-tank The domestic sewage in rural areas crossed introduces the regulation of three-level front end by pipeline and handled with biomass clarifier-tank;The addition of the straw Amount adds 100-150kg straw according to design day processing sanitary sewage amount, sewage per ton;
E, one-level ecological wetland is handled:One-level ecological wetland, the clay of the wetland underfill 48-62 cm are built, and is planted Green watermifoil, plant green watermifoil and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, keep 30- 35cm water depth;Through the regulation of three-level front end one will be introduced with the domestic sewage in rural areas that biomass clarifier-tank treats by pipeline Level ecological wetland is handled;
F, two level ecological wetland is handled:Two level ecological wetland, the clay of the wetland underfill 18-22 cm are built, and is planted Green watermifoil, plant green watermifoil and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, keep 70- 90cm water depth;Carried out two level ecological wetland is introduced by pipeline through the domestic sewage in rural areas that one-level ecological wetland treats Processing;
G, three-level ecological wetland is handled:Three-level ecological wetland, the clay of the wetland underfill 48-62cm are built, and is planted Green watermifoil, plant green watermifoil and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, keep 30- 35cm water depth;Carried out three-level ecological wetland is introduced by pipeline through the domestic sewage in rural areas that two level ecological wetland treats Processing;
H, level Four ecological wetland is handled:Level Four ecological wetland, the clay of the wetland underfill 18-22cm are built, and is planted Green watermifoil, plant green watermifoil and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, keep 70- 90cm water depth;Carried out level Four ecological wetland is introduced by pipeline through the domestic sewage in rural areas that three-level ecological wetland treats Processing;
I, Pyatyi ecological wetland is handled:Pyatyi ecological wetland, the clay of the wetland underfill 48-62cm are built, and is planted Green watermifoil, plant green watermifoil and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, keep 30- 35cm water depth;Carried out Pyatyi ecological wetland is introduced by pipeline through the domestic sewage in rural areas that level Four ecological wetland treats Processing;
J, six grades of ecological wetland processing:Six grades of ecological wetlands, the clay of the wetland underfill 18-22cm are built, and is planted Green watermifoil, plant green watermifoil and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, keep 70- 90cm water depth;Carried out six grades of ecological wetlands are introduced by pipeline through the domestic sewage in rural areas that Pyatyi ecological wetland treats Processing;
K, seven grades of ecological wetland processing:Seven grades of ecological wetlands, the clay of the wetland underfill 18-22cm are built, and is planted Green watermifoil, plant green watermifoil and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium is sprayed after 15 days, keep 70- 90cm water depth, in addition, putting appropriate loach, swamp eel in a suitable place to breed;The domestic sewage in rural areas treated through six grades of ecological wetlands is led to Piping introduces seven grades of ecological wetlands and handled;
L, eight grades of ecological wetland processing:Eight grades of ecological wetlands, the clay of the wetland underfill 18-22cm are built, and is planted Green watermifoil, plant green watermifoil and the microbial inoculum 1-2kg containing the microorganism such as nitrifier and denitrifying bacterium, green watermifoil are sprayed after 15 days Reach 50% in the coverage rate of the water surface, keep 70-90cm water depth, in addition, putting appropriate carp fry and carp fry in a suitable place to breed;Will be through The treated domestic sewage in rural areas of seven grades of ecological wetlands introduces eight grades of ecological wetlands by pipeline and handled, the life after processing Sewage qualified discharge.
2. ecological treatment method according to claim 1, it is characterised in that the one-level front end regulation purifies with biomass Pond, the regulation of two level front end and biomass clarifier-tank and the regulation of three-level front end were needed toward pond with biomass clarifier-tank every 5-7 months Middle addition 1-2 tons or so straw;Described one also contains nitrifier into the regulation of three-level front end and biomass clarifier-tank added with 1-2kg With the microbial inoculum of the microorganism such as denitrifying bacterium.
3. ecological treatment method according to claim 1, it is characterised in that the front end regulation and biomass clarifier-tank Volume is 2-3 times of sanitary sewage design treatment amount.
4. ecological treatment method according to claim 1, it is characterised in that the one-level ecological wetland, two level ecology are wet The volume on ground, three-level ecological wetland and level Four ecological wetland is 1.5-3 times of sanitary sewage design treatment amount.
5. ecological treatment method according to claim 1, it is characterised in that the clay is red soil fine earth.
6. ecological treatment method according to claim 1, it is characterised in that the frame of the ecological wetland mixes for cement brick Structure.
7. ecological treatment method according to claim 1, it is characterised in that the front end regulation and biomass clarifier-tank Frame is that cement brick mixes pool construction, and its bottom carries out Anti-seeping technology.
A kind of 8. system that domestic sewage in rural areas is administered, it is characterised in that:It is by grid pond (A), the regulation of one-level front end and biology Matrix clarifier-tank(B), two level front end regulation with bio-matrix clarifier-tank(C), three-level front end regulation with bio-matrix clarifier-tank (D), one-level ecological wetland(E), two level ecological wetland(F), the green ecological wetland of three-level(G), level Four ecological wetland(H), Pyatyi life State wetland(I), six grades of ecological wetlands(J), seven grades of ecological wetlands(K), eight grades of ecological wetlands(L)Composition;It is characterized in that:One-level Front end is adjusted and bio-matrix clarifier-tank(B)By pipeline respectively with grid pond(A), two level front end regulation with bio-matrix purify Pond(C)It is connected, the regulation of three-level front end and bio-matrix clarifier-tank(D)By pipeline respectively with two level front end regulation and bio-matrix Clarifier-tank(C), one-level ecological wetland(E)It is connected, one-level ecological wetland(E)Adjusted respectively with three-level front end and biology by pipeline Matrix clarifier-tank(D), two level ecological wetland(F)It is connected, three-level ecological wetland(G)By pipeline respectively with two level ecological wetland (F), level Four ecological wetland(H)It is connected, level Four ecological wetland(H)It is wet with three-level ecology respectively by pipeline(G), Pyatyi ecology it is wet Ground(I)It is connected, Pyatyi ecological wetland(I)By pipeline respectively with level Four ecological wetland(H), six grades of ecological wetlands(J)It is connected, six Level ecological wetland(J)By pipeline respectively with Pyatyi ecological wetland(I), seven grades of ecological wetlands(K)It is connected, seven grades of ecological wetlands (K)Pass through pipeline and eight grades of ecological wetlands(L)It is connected.
9. system according to claim 8, it is characterised in that:The one-level to three-level front end is adjusted and biomass clarifier-tank Middle dispensing has straw and the microbial inoculum containing the microorganism such as nitrifier and denitrifying bacterium;The bottom of one to eight grade of ecological wetland is filled out Filled with clay, and green watermifoil is planted, plant green watermifoil and sprayed after 15 days containing the microorganism such as nitrifier and denitrifying bacterium Microbial inoculum.
CN201710923643.7A 2017-09-30 2017-09-30 A kind of domestic sewage in rural areas ecological treatment method and system Pending CN107500483A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110743220A (en) * 2019-11-22 2020-02-04 黄团英 Rural domestic sewage ecological treatment equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110743220A (en) * 2019-11-22 2020-02-04 黄团英 Rural domestic sewage ecological treatment equipment
CN110743220B (en) * 2019-11-22 2021-06-04 北京汇智善水环境科技有限公司 Rural domestic sewage ecological treatment equipment

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