CN207498220U - A kind of domestic sewage in rural areas ecological management system - Google Patents

A kind of domestic sewage in rural areas ecological management system Download PDF

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CN207498220U
CN207498220U CN201721303481.9U CN201721303481U CN207498220U CN 207498220 U CN207498220 U CN 207498220U CN 201721303481 U CN201721303481 U CN 201721303481U CN 207498220 U CN207498220 U CN 207498220U
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wetland
ecological
bio
ecological wetland
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肖润林
齐兰贵
吴金水
刘锋
肖天齐
戴岳洋
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Guangdong Huanyue Environmental Protection Technology Co ltd
Institute of Subtropical Agriculture of CAS
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Guangdong Huanyue Environmental Protection Technology Co ltd
Institute of Subtropical Agriculture of CAS
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Abstract

The utility model discloses a kind of domestic sewage in rural areas ecological management systems, level-one front end adjust with bio-matrix clarifier-tank by pipeline respectively with grid pond, two level front end is adjusted to be connected with bio-matrix clarifier-tank, three-level front end regulating reservoir by pipeline respectively with two level front end regulating reservoir, level-one ecological wetland is connected, level-one ecological wetland by pipeline respectively with three-level front end regulating reservoir, two level ecological wetland is connected, the green ecological wetland of three-level is by pipeline respectively with two, level Four ecological wetland is connected, level Four ecological wetland is wet with the green ecology of three-level respectively by pipeline, current wetland is connected, current wetland is respectively with three, Pyatyi ecological wetland is connected, Pyatyi ecological wetland respectively with current wetland, six grades of ecological wetlands are connected, six grades of ecological wetlands by pipeline respectively with seven grades of ecological wetlands, end intensive treatment pond is connected.The system structure is simple, and maintenance management is convenient, and treatment effect is stablized, and operational process does not need to consumption electric power and flocculant etc., and maintenance operation expense is low.

Description

A kind of domestic sewage in rural areas ecological management system
Technical field
The utility model is related to agricultural environment fields, are more particularly to a kind of system of domestic sewage in rural areas ecological management, Subtropical zone rural area natural village, gathering ground or small watershed are particularly suitable for, is handled using village corner vacant land (wasteland) daily Sanitary sewage realizes the water correction of rural area small pond, streamlet.
Background technology
As life in the countryside level improves and inproving living environment, between rural health, the living facilities such as shower house, washing machine Popularization and application, the random discharge of domestic sewage in rural areas causes COD in water body such as pond, irrigation canals and ditches, the streams in rural area, ammonia nitrogen, total Nitrogen, total phosphor contaminant are exceeded serious, cause Rural Water Environment problem outstanding day by day.Villages and small towns domestic pollution and biology and agricultural product add Work pollutant discharge of enterprise also becomes important agricultural environment pollution source.According to Chinese Ministry of Environmental Protection's survey data, given birth to per capita by Chinese villages and small towns resident 90 liters/the man day of sewage discharge living, in sanitary sewage COD, total nitrogen and total phosphorus content be respectively 205mg/L, 50mg/L and 5.5mg/L is counted, and there are 6.4 hundred million villages and small towns populations in current China, and the COD discharged every year, total nitrogen and total phosphorus are up to 431.0,105.1 respectively With 11.6 ten thousand tons.Since Rural Water Environment pollution source is complicated, distribution is wide, difficulty of governance is big, compared with municipal sewage treatment, Centralized collection is difficult to, unsuitable (peasant household is sparsely populated, and pipe network collects the cost of sewage too using the tupe excessively concentrated It is high).Rural sewage treatment pattern and technology generally can be divided into centralized processing, decentralized processing and treatment in situ pattern.(1) at concentration Reason pattern:Centralized processing pattern is suitable for the villages and small towns having a large population, the density of population is big and sewage yield is big;It is collected using pipe network dirty Water establishes sewage treatment plant, and sewage can qualified discharge or reuse after processing.The active sludge of sewage disposal technology of generally use Method and the methods of SBR.(2) decentralized processing pattern:The major technique of domestic and international separated practices sanitary sewage has wetland variation system System, High-Rate Algae Pond technology, artificial wet land treating system and anaerobic methane pool technology etc..(3) traditional sewage disposal system in situ System (septic tank) go to denitrogenate, effect is poor in terms of phosphorus compound and pathogenic organisms, be only used as pre-processing device further to control Reason is prepared.Rural sewage treatment process is promoted now includes aeration tank, biofilter, activated sludge process (SBR) reactor, steady Determine the pool, artificial swamp etc., the highest three kinds of sewage disposal technologies of frequency of use are:Catalytic oxidation, oxidation ditch and quick diafiltration system System.Contact oxidation method is one kind of biofilm, and oxidation ditch is using ripe manual system, and quick diafiltration is that cost is very low Land treatment system.It can be seen that quick diafiltration and oxidation pond technology construction, operating cost based on natural system are relatively low, Secondary is catalytic oxidation and biological aerated filter based on biofilm, and SBR, oxidation ditch and traditional work based on manual system Property sludge cost of erection it is all higher, to consume the chemical agents such as certain electric energy and flocculant, personal management to be arranged to safeguard, transport Row expense is also higher.Divided from treatment effect, shock resistance, operational management, whether energy saving, floor space etc. Analysis, it can be seen that above-mentioned technology is all there are certain technical problem, and engineering cost and operating cost input burden are still above agriculture The ability to bear of village user.
Chinese countryside domestic sewage treatment must reduce the yield of pollution from source, absorb foreign advanced experience, will Domestic sewage in rural areas improvement is combined with cycleization, recycling, is carried out ecology on the spot in small watershed (gathering ground) source and is controlled Reason.Need to research and develop that construction cost less investment, maintenance management be simple, the dispersing type of low operating cost, ecological village sanitary sewage Handle new technology and new model.
Invention content
The purpose of this utility model is to be the provision of the system that a kind of domestic sewage in rural areas is administered, which utilizes Village corner wasteland (vacant land) natural height it is poor, sanitary sewage is adjusted and bio-matrix processing pond, ecological wet in front end The natural pollutants such as flow process, nitrogen phosphorus are micro- by nitration denitrification by plant absorptions such as green watermifoils between ground and current wetland The purifications such as biology and anaerobic ammonia oxidation microbiological, by absorption such as clay, bentonite, function unimolecule nanocomposites, this is It unites (construction cost only has 1/3rd or so of existing sewage treatment facility) simple in structure, maintenance management is convenient, treatment effect Stablize, operational process does not need to consumption electric power and flocculant etc., low (only the ten of existing sewage treatment facility of maintenance operation expense / mono- or so).
In order to realize above-mentioned purpose, the utility model uses following technical measures:
The system that a kind of domestic sewage in rural areas is administered, it is adjusted by grid pond, level-one front end by it and is purified with bio-matrix Pond, two level front end are adjusted to be adjusted and bio-matrix clarifier-tank, level-one ecological wetland, two with bio-matrix clarifier-tank, three-level front end Grade ecological wetland, the green ecological wetland of three-level, current wetland, level Four ecological wetland, Pyatyi ecological wetland, six grades of ecological wetlands, seven Grade ecological wetland, end intensive treatment pond composition, it is characterised in that:Level-one front end is adjusted passes through pipeline with bio-matrix clarifier-tank It adjusts with grid pond, two level front end and is connected with bio-matrix clarifier-tank respectively, three-level front end is adjusted to be led to bio-matrix clarifier-tank Piping is adjusted respectively with two level front end to be connected with bio-matrix clarifier-tank, level-one ecological wetland, and level-one ecological wetland passes through pipe Road is adjusted respectively with three-level front end to be connected with bio-matrix clarifier-tank, two level ecological wetland, and the green ecological wetland of three-level passes through pipeline It is connected respectively with two level ecological wetland, level Four ecological wetland, level Four ecological wetland is wet, latent with the green ecology of three-level respectively by pipeline Stream wetland is connected, and by the way that pipeline is wet with the green ecology of three-level respectively, Pyatyi ecological wetland is connected, Pyatyi ecological wetland leads to current wetland Piping is connected respectively with current wetland, six grades of ecological wetlands, six grades of ecological wetlands by pipeline respectively with seven grades of ecological wetlands, End intensive treatment pond is connected (plane water (flow) direction is shown in that attached drawing 2, section water (flow) direction are shown in attached drawing 3).
By it is above-mentioned be connected, sanitary sewage in system by front end to end (front and rear), by surface to bottom (upper and lower) Uniform flow moves, sewage and bio-matrix (straw and related microorganisms) come into full contact with, sewage and with green watermifoil plant and its attachment Microorganism on green watermifoil comes into full contact with, and so that green watermifoil is to the conversion of the absorption, microorganism of nitrogen phosphorus to ammonia nitrogen, obtains Obtain treatment effect that is effective to pollutant and stablizing.Now all parts are explained as follows:
A, grid pond:Pending domestic sewage in rural areas enters grid pond, the main work(of grid pond by pipe network or irrigation canals and ditches Can be the bulks such as catching rubbish suspended matter and floating material.
B, level-one front end is adjusted and bio-matrix clarifier-tank:The domestic sewage in rural areas of grid pond filtering introduces 1 by pipeline Grade front end is adjusted and bio-matrix clarifier-tank bottom.It is to adjust sanitary sewage that front end, which is adjusted with bio-matrix clarifier-tank major function, Middle carbon-nitrogen ratio, acid-base value and microbial population, and the harmful substance of fine particulates and some influence plant growths is intercepted (such as oil Fat etc.), degradation part COD and ammonia nitrogen.
C, two level front end is adjusted and bio-matrix clarifier-tank:Level-one front end adjusts logical with bio-matrix purification pool surface water outlet Piping introduces two level front end and adjusts and bio-matrix clarifier-tank bottom.
D, three-level front end is adjusted and bio-matrix clarifier-tank:Two level front end adjust with bio-matrix purification pool surface be discharged into Enter 3 grades of front ends to adjust and bio-matrix clarifier-tank bottom.
E, level-one ecological wetland:Three-level front end is adjusted enters level-one ecological wetland bottom with bio-matrix purification pool surface water outlet Portion, this grade of ecological wetland frame is cement brick mix structure, and wetland underfill 48-62cm clays (red soil fine earth) plant green fox Tail algae keeps 30-35cm water depths.
F, two level ecological wetland:The water outlet of level-one ecological wetland surface enters two level ecological wetland bottom, and (water (flow) direction is shown in figure 2nd, Fig. 3), this grade of ecological wetland frame is cement brick mix structure wetland, wetland underfill 18-22cm clays (red soil fine earth), Green watermifoil is planted, keeps 70-90cm water depths.
G, the green ecological wetland of three-level:The water outlet of two level ecological wetland surface enters three-level ecological wetland bottom, this grade of ecology is wet Ground frame is cement brick mix structure wetland, and wetland underfill 18-22cm clays (red soil fine earth) plant green watermifoil, is kept 70-90cm water depths.
H, current wetland:The green watermifoil ecological wetland surface water outlet of three-level enters current wetland bottom, fills five layer materials (underfill 18-22cm clays fill 18-22cm fine sands on clay, 28-32cm cinders are filled on fine sand, on cinder Fill 28-32cm bentonites, top layer's filling 28-32cm rubbles), plant canna.
I, level Four ecological wetland:The water outlet of current wetland surface enters level Four ecological wetland bottom, this grade of ecological wetland frame For cement brick mix structure wetland, wetland underfill 18-22cm clays (red soil fine earth) plant green watermifoil, keep 70-90cm Water depth.
J, Pyatyi ecological wetland:The water outlet of level Four ecological wetland surface enters Pyatyi ecological wetland bottom, this grade of ecological wetland Frame is cement brick mix structure wetland, and wetland underfill 18-22cm clays (red soil fine earth) plant green watermifoil, keep 70- 90cm water depths.
K, six grades of ecological wetlands:The water outlet of Pyatyi ecological wetland surface enters six grades of ecological wetland bottoms, this grade of ecological wetland Frame is cement brick mix structure wetland, and wetland underfill 18-22cm clays (red soil fine earth) plant green watermifoil, keep 70- 90cm water depths.
L, seven grades of ecological wetlands:Six grades of ecological wetland surface water outlets enter seven grades of ecological wetland bottoms), this grade of ecological wetland Frame is cement brick mix structure wetland, and wetland underfill 18-22cm clays (red soil fine earth) plant green watermifoil, keep 70- 90cm water depths.
M, end intensive treatment pond:Seven grades of ecological wetland surfaces water outlet in the M of end intensive treatment pond is introduced by pipeline End polymer adsorption bottom of pond portion, frame are cement brick mix structure, and design specification is day 1.5-2.5 times of treated sewage amount, depth Spend 100-150cm.Bottom 10-20cm is water passage, and the second layer (in water passage) fills 20-30cm function unimolecule nanometers Composite material, third layer filling 10-20cm rough sand layers, the 4th layer of filling 20-30cm function unimolecule nanocomposite, the 5th Layer filling 10-20cm rough sand layers, layer 6 (surface layer) filling 20-30cm function unimolecule nanocomposites.At the reinforcing of end Manage the discharge of pool surface standard water discharge.
Compared with existing domestic sewage in rural areas method for governing pollution, the utility model has the following advantages and effect:
1. there is certain novelty on administering method:Have at present for the improvement of domestic sewage in rural areas very much 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 is 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 microorganism, anaerobic ammonia oxidation microbiological symbiosis are received, it will be in water body Mineralized nitrogen is nitrogen purifying water body, and green watermifoil is re-used as feed resource and recycles.
2. construction cost is low:The most important construction cost of the present invention includes pipe network system and processing system two parts, processing System includes 3 grades of sewage front ends and adjusts and bio-matrix processing pond, 7 grades of green watermifoil ecological wetlands, 1 grade of current wetland and 1 grade End intensive treatment pond, between adding up to ten thousand yuan of cost 8-15, villages and towns in rural areas, Zu Deng collectives of village can receive.
3. operating cost is low, easy to operate:Majority needs the energy such as electric power in existing sanitary sewage disposal technology, and this place Reason method mainly (it is wet with bio-matrix processing pond and 7 grades of ecologies to devise 3 grades of front ends adjustings using the driving force of nature gradient Ground 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 It is constantly flowed in stream wetland.Water body flows incessantly promotes sewage and bio-matrix (straw and related microorganisms) fully to connect It touches, sewage and sorbing material come into full contact with, sewage and are filled with green watermifoil plant and its microorganism being attached on green watermifoil Tap is touched, and so that green watermifoil is to the conversion of the absorption, microorganism of nitrogen phosphorus to ammonia nitrogen, obtains the identical place stablized to pollutant Manage effect;The system does not need to be aerated, and does not need to addition 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 (4-5 times annual) of mowing and remove, and front end adjusts and bio-matrix Processing pond needs to add straw (annual 2 times), and primary particle shape " the nano combined material of function unimolecule is replaced in end intensive treatment pond Material " (annual 1 time).Between a set of rural domestic sewage treatment system operational and administrative expenses of 1 year about 3000-4000 members.
4. regulation effect is good:This treatment method for rural sewage front end is adjusted adjusts life dirt with bio-matrix clarifier-tank Carbon-nitrogen ratio, acid-base value and microbial population in water, intercepting fine particulates and some influences the harmful substance of plant growth (such as oil Fat etc.), degradation COD.Green watermifoil absorbed nitrogen phosphorus in multi-stage ecological wetland is attached to the nitration denitrification of plant surface microorganism Effect effectively the pollutants such as the ammonia nitrogen of decontrol polluted-water, phosphorus, end polymer adsorption clarifier-tank effectively can adsorb polluted-water Phosphorus and pigment, major pollutants content can be stablized and be less than in the draining of end《People's Republic of China's city domestic sewage discharge Standard (GB18918-2002)》Level-one 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 ingredients such as fiber, vitamin, amino acid, minerals equal size height (being shown in Table 1, table 2), quality and with high-quality legume forage lucerne Mu, clover etc. are suitable, and per hectare ecological wetland can produce green fox-brush 150 tons (dry weights), in southern area its yield be clover and 6-8 times of corn, using the technology governance domestic sewage in rural areas and using the green green watermifoil of watermifoil fodder as chicken, duck, goose and Pannage produces and in addition ecological cultivation method has applied for patent, application number is 201510653646.4 respectively, 201510653519.4th, 201510654125.0,201710684543.3,201710684544.8), breeding feed can be reduced Dependence to high-quality arable land is of great significance to the grain security for solving China.
1 green watermifoil Major Nutrient of table 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
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
Description of the drawings
Fig. 1 is a kind of domestic sewage processing system schematic diagram;
Fig. 2 is a kind of domestic sewage processing system flow schematic diagram (plan view);
Fig. 3 is a kind of domestic sewage ecologically treating system water (flow) direction (sectional view);
Wherein:A- grid ponds, B- level-ones front end are adjusted to be adjusted and biology with bio-matrix clarifier-tank, C- two levels front end Matrix clarifier-tank, D- three-levels front end are adjusted and bio-matrix clarifier-tank, E level-ones ecological wetland, F- two levels ecological wetland, G- The green ecological wetland of three-level, H- current wetlands, I- level Four ecological wetland, J- Pyatyis ecological wetland, six grades of ecological wetlands of K-, Seven grades of ecological wetlands of L-, M- ends intensive treatment pond.
Specific embodiment
Embodiment 1:
A kind of domestic sewage in rural areas ecological treatment method, with Jiangmen City of Guangdong Province Xinhui District precipice town Men Nanhe villages demonstration project For, demonstration project administers the sanitary sewage for collecting 6 villager group of about 2.5 square kilometres of the village totally 304 families, is related to population More than 1100 people are (wherein:Permanent resident population people more than 935, population from other places people about more than 170).The domestic sewage in rural areas Ecological Disposal engineering is set Meter scale handles 50 ton days for day, on March 6th, 2017 starts to construct, and starts 27-29 days March in front end adjusting and bio-matrix Straw is added in pond, and green watermifoil is planted in ecological wetland, and canna is planted in current wetland;April 6 respectively front end adjust with Bio-matrix pond, the red bacterium of ecological wetland sprinkling microbial bacterial agent protect No. 6;April 14 started to access sanitary sewage into system, and 6 The pollutant loads such as COD, ammonia nitrogen, total nitrogen and total phosphorus in the wetland discharge water of the acquisition water sample analysis result display system of the moon 12 end State Environmental Protection Administration is below in 2002 issuing and implementation《People's Republic of China's city domestic sewage discharge standard (GB18918-2002)》Level-one Con trolling index value (table 3).It includes the following steps (water (flow) direction is shown in attached drawing 2, attached drawing 3):
A kind of domestic sewage in rural areas ecological treatment method, step are:
A, grid pond:Grid pond frame is reinforced concrete pool construction, and design specification is long 500cm (length) × 100cm (width) × 150cm (depth), pending domestic sewage in rural areas introduce grid pond, the rubbish that periodic cleaning grid pond intercepts by pipe network The silt of rubbish and precipitation.
B, level-one front end is adjusted and bio-matrix clarifier-tank:Pass through grid pond filtering spam and the domestic sewage in rural areas of silt The adjusting of level-one front end and bio-matrix clarifier-tank bottom are introduced by pipeline, it is steel that this grade of front end, which is adjusted with bio-matrix pool side frame, Muscle cement pool construction, design specification are long 1500cm (length) × 500cm (width) × 150cm (depth), fill 1200kg straw, together The red bacterium of Shi Tianjia microbial bacterial agents protects No. 6 1kg.
C, two level front end is adjusted and bio-matrix clarifier-tank:Level-one front end adjusts logical with bio-matrix purification pool surface water outlet Piping is introduced into the adjusting of two level front end and bio-matrix clarifier-tank bottom, and it is steel that this grade of front end, which is adjusted with bio-matrix pool side frame, Muscle cement pool construction, design specification are long 1600cm (length) × 500cm (width) × 150cm (depth), fill 1200kg straw, together The red bacterium of Shi Tianjia microbial bacterial agents protects No. 6 1kg.
D, three-level front end is adjusted and bio-matrix clarifier-tank:Two level front end adjusts logical with bio-matrix purification pool surface water outlet Piping introduces the adjusting of three-level front end and bio-matrix clarifier-tank bottom, and it is reinforcing bar that this grade of front end, which is adjusted with bio-matrix pool side frame, Cement pool construction, design specification are long 1600cm (length) × 500cm (width) × 150cm (depth), fill 1200kg straw, simultaneously It adds the red bacterium of microbial bacterial agent and protects No. 6 1kg.
E, level-one ecological wetland:Three-level front end adjusts wet by introducing level-one ecology with bio-matrix purification pool surface water outlet Ground bottom, this grade of ecological wetland frame mix pool construction (bottom carry out Anti-seeping technology) for cement brick, and design specification is length 1600cm (length) × 600cm (width) × 100cm (depth).Wetland underfill 60cm clays (red soil fine earth), plant green watermifoil, It plants green watermifoil and microbial bacterial agent No. 6 1kg of red bacterium guarantor is sprayed after 15 days, keep 30-35cm water depths.
F, two level ecological wetland:Level-one ecological wetland surface is discharged by introducing two level ecological wetland, this grade of ecological wetland Frame mixes pool construction (bottom carry out Anti-seeping technology) for cement brick, design specification for long 1600cm (length) × 600cm (width) × 100cm (depth).Wetland underfill 20cm clays (red soil fine earth), plant green watermifoil, plant green watermifoil and are sprayed after 15 days The red bacterium of microbial bacterial agent protects No. 6 1kg, keeps 70-90cm water depths.
G, the green ecological wetland of three-level:The water outlet of two level ecological wetland enters three-level ecological wetland, this grade of ecological wetland frame is Cement brick mix structure, design specification are long 1600cm (length) × 600cm (width) × 100cm (depth).Wetland underfill 20cm is sticked Native (red soil fine earth), plants green watermifoil, plants green watermifoil and microbial bacterial agent No. 6 1kg of red bacterium guarantor are sprayed after 15 days, keep 70-90cm water depths.
H, current wetland:The green watermifoil ecological wetland surface water outlet of three-level introduces current wetland fine sand layer by pipeline, if Meter specification is long 1600cm (length) × 600cm (width) × 100cm (depth).Underfill 10cm clays, fill 20cm on clay Fine sand fills 20cm cinders on fine sand, and 20cm bentonites are filled on cinder, and top layer's filling 30cm rubbles plant beauty Any of several broadleaf plants and butch clover.
I, level Four ecological wetland:The water outlet of current wetland surface enters level Four ecological wetland bottom, this grade of ecological wetland frame For cement brick mix structure, design specification is long 1600cm, wide 600cm, deep 100cm, and (red soil is thin for wetland underfill 20cm clays Soil), 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 the 70-90cm depth of waters Degree.
J, Pyatyi ecological wetland:Level Four ecological wetland surface is discharged by introducing Pyatyi ecological wetland, this grade of ecological wetland Frame is cement brick mix structure, and design specification is long 1600cm (length) × 600cm (width) × 100cm (depth).Wetland underfill 20cm clays (red soil fine earth), plant green watermifoil, plant green watermifoil and microbial bacterial agent No. 6 1kg of red bacterium guarantor are sprayed after 15 days, Keep 70-90cm water depths.
K, six grades of ecological wetlands:The water outlet of Pyatyi ecological wetland surface is by introducing six grades of ecological wetlands, this grade of ecological wetland Frame is cement brick mix structure, and design specification is long 1600cm (length) × 600cm (width) × 100cm (depth).Wetland underfill 20cm clays (red soil fine earth), plant green watermifoil, plant green watermifoil and microbial bacterial agent No. 6 1kg of red bacterium guarantor are sprayed after 15 days, 70-90cm water depths are kept, put loach, swamp eel in a suitable place to breed.
L, seven grades of ecological wetlands:Six grades of ecological wetland surface water outlets are by introducing seven grades of ecological wetlands, this grade of ecological wetland Frame is cement brick mix structure, and design specification is 1330cm (length) × 600cm (width) × 100cm (depth).Green watermifoil is planted, is planted It plants green watermifoil and microbial bacterial agent No. 6 1kg of red bacterium guarantor is sprayed after 15 days, keep 90cm water depths.
M, end intensive treatment pond:Seven grades of ecological wetland surface water outlets introduce the attached bottom of pond of end intensive treatment by pipeline Portion, frame are cement brick mix structure, and design specification is 600cm (length) × 270cm (width) × 150cm (depth).Bottom 0-20cm is Water passage, 21-50cm are function unimolecule nanometer composite layer, 51-70cm is rough sand layer, 71-100cm is single point of function Sub- nanometer composite layer, 101-120cm are rough sand layer, 120-150cm is function unimolecule nanometer composite layer.
3 this method of table is to domestic sewage in rural areas major pollutants treatment effect
(1 group of the Nan He villages in Jiangmen City of Guangdong Province Xinhui District Ya Zhen towns sanitary sewage disposal engineering, 2017-06-12 samplings)
Embodiment 2:
A kind of system of domestic sewage in rural areas ecological management, it is by it by grid pond A, the adjusting of level-one front end and bio-matrix Clarifier-tank B, two level front end are adjusted to be adjusted and bio-matrix clarifier-tank D, level-one ecology with bio-matrix clarifier-tank C, three-level front end Wetland E, two level ecological wetland F, the green ecological wetland G of three-level, current wetland H, level Four ecological wetland I, Pyatyi ecological wetland J, six Grade ecological wetland K, seven grades of ecological wetland L, end intensive treatment pond M compositions, it is characterised in that:Level-one front end adjusts and biology base Matter clarifier-tank B is adjusted by pipeline with grid pond A, two level front end respectively to be connected with bio-matrix clarifier-tank C, and three-level front end is adjusted It is adjusted and bio-matrix clarifier-tank C, level-one ecological wetland E phases with two level front end respectively by pipeline with bio-matrix clarifier-tank D Even, level-one ecological wetland E is adjusted and bio-matrix clarifier-tank D, two level ecological wetland F phases by pipeline with three-level front end respectively Even, the green ecological wetland G of three-level is connected by pipeline with two level ecological wetland F, level Four ecological wetland I respectively, level Four ecological wetland I By pipeline, G wet with the green ecology of three-level, current wetland H are connected respectively, and current wetland H is wet with the green ecology of three-level respectively by pipeline G, Pyatyi ecological wetland J is connected, and Pyatyi ecological wetland J is connected by pipeline with current wetland H, six grades of ecological wetland K respectively, and six Grade ecological wetland K is connected by pipeline with seven grades of ecological wetland L, end intensive treatment pond M respectively.(plane water (flow) direction is shown in figure 2nd, section water (flow) direction is shown in Fig. 3).
By it is above-mentioned be connected, sanitary sewage in system by front end to end (front and rear), by surface to bottom (upper and lower) Uniform flow moves, sewage and bio-matrix (straw and related microorganisms) come into full contact with, sewage and with green watermifoil plant and its attachment Microorganism on green watermifoil comes into full contact with, in favor of green watermifoil to the absorption of nitrogen phosphorus, microorganism to the conversion of ammonia nitrogen and To the fully degraded of COD, clay and bentonite etc. to phosphatic absorption, the treatment effect to pollutant equalization stable is obtained.
A, grid pond:Pending domestic sewage in rural areas enters grid pond, the main work(of grid pond by pipe network or irrigation canals and ditches Can be the bulks such as catching rubbish suspended matter and floating material.
B, level-one front end is adjusted and bio-matrix clarifier-tank:The domestic sewage in rural areas of grid pond filtering introduces one by pipeline Grade front end is adjusted and bio-matrix clarifier-tank bottom.It is to adjust sanitary sewage that front end, which is adjusted with bio-matrix clarifier-tank major function, Middle carbon-nitrogen ratio, acid-base value and microbial population, and the harmful substance of fine particulates and some influence plant growths is intercepted (such as oil Fat etc.), degradation part COD and ammonia nitrogen.
C, two level front end is adjusted and bio-matrix clarifier-tank:Level-one front end adjusts logical with bio-matrix purification pool surface water outlet Piping introduces two level front end and adjusts and bio-matrix clarifier-tank bottom.
D, three-level front end is adjusted and bio-matrix clarifier-tank:Two level front end adjust with bio-matrix purification pool surface be discharged into Enter 3 grades of front ends to adjust and bio-matrix clarifier-tank bottom.
E, level-one ecological wetland:Three-level front end is adjusted enters level-one ecological wetland bottom with bio-matrix purification pool surface water outlet Portion, this grade of ecological wetland frame are cement brick mix structure, wetland underfill 58 or 60 or 62cm clays (red soil fine earth), are planted Green watermifoil keeps 30-35cm water depths.
F, two level ecological wetland:The water outlet of level-one ecological wetland surface enters two level ecological wetland bottom, and (water (flow) direction is shown in attached Fig. 2, attached drawing 3), this grade of ecological wetland frame is cement brick mix structure wetland, wetland underfill 20cm clays (red soil fine earth), Green watermifoil is planted, keeps 70-90cm water depths.
G, the green ecological wetland of three-level:The water outlet of two level ecological wetland surface enters three-level ecological wetland bottom, this grade of ecology is wet Ground frame is cement brick mix structure wetland, wetland underfill 18 or 20 or 22cm clays (red soil fine earth), plants green watermifoil, Keep 70 or 73 or 75cm water depths.
H, current wetland:The green watermifoil ecological wetland surface water outlet of three-level enters current wetland bottom, fills four layer materials (underfill clay fills fine sand on clay, and cinder is filled on fine sand, and bentonite, top layer's filling are filled on cinder Rubble), plant canna.
The current wetland H structure is four layer materials, and underfill is clay, and clay thickness is sticked for 18 or 20 or 22cm Soil;Fine sand is filled on clay, fine sand thickness is 18 or 20 or 22cm;Cinder is filled on fine sand, cinder thickness is 28 or 30 Or 32cm;Bentonite is filled on cinder, swelling soil thickness is 28 or 30 or 32cm;Rubble, rubble thickness are filled in top layer For 28 or 30 or 32cm, and canna is planted in rubble.The materials such as clay, cinder, the bentonite of filling can effectively adsorb dirt Phosphate in water, the canna of plantation can absorb the nitrogen phosphorus in sewage.
I, level Four ecological wetland:The water outlet of current wetland surface enters level Four ecological wetland bottom, this grade of ecological wetland frame For cement brick mix structure wetland, wetland underfill 18 or 20 or 22cm clays (red soil fine earth) plant green watermifoil, keep 70 Or 73 or 75cm water depths.
J, Pyatyi ecological wetland:The water outlet of level Four ecological wetland surface enters Pyatyi ecological wetland bottom, this grade of ecological wetland Frame is cement brick mix structure wetland, wetland underfill 18 or 20 or 22cm clays (red soil fine earth), plants green watermifoil, is protected Hold 70 or 72 or 75cm water depths.
K, six grades of ecological wetlands:The water outlet of Pyatyi ecological wetland surface enters six grades of ecological wetland bottoms, this grade of ecological wetland Frame is cement brick mix structure wetland, wetland underfill 18 or 20 or 22cm clays (red soil fine earth), plants green watermifoil, is protected Hold 70 or 73 or 75cm water depths.
L, seven grades of ecological wetlands:Six grades of ecological wetland surface water outlets enter seven grades of ecological wetland bottoms), plant green fox-brush Algae keeps 70 or 72 or 75cm water depths.
M, end intensive treatment pond:Seven grades of ecological wetland surfaces water outlet in the M of end intensive treatment pond is introduced by pipeline End polymer adsorption bottom of pond portion, frame be cement brick mix structure, design specification for day treated sewage amount 1.5 or 1.8 or 2 or 2.3 or 2.5 times, depth 100 or 110 or 120 or 130 or 140 or 150cm.Bottom 10 or 13 or 15 or 18 or 20cm were water Channel, the second layer (in water passage) filling 20 or 24 or 27 or 30cm function unimolecule nanocomposites, third layer filling 10 or 15 or 18 or 20cm rough sand layers, the 4th layer of filling 20 or 22 or 24 or 26 or 28 or the nano combined material of 30cm function unimolecules Material, layer 5 filling 10 or 13 or 16 or 18 or 20cm rough sand layers, layer 6 (surface layer) filling 20 or 24 or 28 or 30cm functions Unimolecule nanocomposite.End intensive treatment pool surface standard water discharge discharge.
The rough sand is the thick river sand of diameter 4mm or 5mm or 6mm.

Claims (1)

1. a kind of system of domestic sewage in rural areas ecological management, it is by it by grid pond(A), level-one front end adjust and bio-matrix Clarifier-tank(B), two level front end adjust with bio-matrix clarifier-tank(C), three-level front end adjust with bio-matrix clarifier-tank(D), one Grade ecological wetland(E), two level ecological wetland(F), three-level ecological wetland(G), current wetland(H), level Four ecological wetland(I), five Grade ecological wetland(J), six grades of ecological wetlands(K), seven grades of ecological wetlands(L), end intensive treatment pond(M)Composition, feature exist In:Level-one front end is adjusted and bio-matrix clarifier-tank(B)By pipeline respectively with grid pond(A), two level front end adjust with biology Matrix clarifier-tank(C)It is connected, three-level front end is adjusted and bio-matrix clarifier-tank(D)By pipeline respectively with two level front end adjust with Bio-matrix clarifier-tank(C), level-one ecological wetland(E)It is connected, level-one ecological wetland(E)By pipeline respectively with three-level front end tune Section and bio-matrix clarifier-tank(D), two level ecological wetland(F)It is connected, three-level ecological wetland(G)It is given birth to respectively with two level by pipeline State wetland(F), level Four ecological wetland(I)It is connected, level Four ecological wetland(I)By pipeline respectively with three-level ecological wetland(G), it is latent Flow wetland(H)It is connected, current wetland(H)By pipeline respectively with three-level ecological wetland(G), Pyatyi ecological wetland(J)It is connected, five Grade ecological wetland(J)By pipeline respectively with current wetland(H), six grades of ecological wetlands(K)It is connected, six grades of ecological wetlands(K)It is logical Piping respectively with seven grades of ecological wetlands(L), end intensive treatment pond(M)It is connected;
Wherein:The current wetland(H)Long 1800-2200cm, wide 680-720cm, deep 100-150cm, undercurrent bottom are filled out It fills 10-20 cm clays, 10-20 cm fine sands is filled on clay, 10-20cm cinders are filled on fine sand, are filled on cinder 10-20cm bentonites, top layer's filling 20-30cm rubbles, plant canna on rubble;
The end intensive treatment pond(M)In seven grades of ecological wetlands(L)Surface water outlet introduces end macromolecule by pipeline Adsorption tank bottom, frame are cement brick mix structure, and depth 100-150cm, bottom 10-20cm are water passage, and the second layer is filled 20-30cm function unimolecule nanocomposites, third layer filling 10-20cm rough sand layers, the 4th layer of filling 20-30 cm function Unimolecule nanocomposite, layer 5 filling 10-20cm rough sand layers, layer 6 filling 20-30 cm function unimolecule nanometers are answered Condensation material.
CN201721303481.9U 2017-09-30 2017-09-30 A kind of domestic sewage in rural areas ecological management system Active CN207498220U (en)

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