CN207468418U - A kind of system of domestic sewage in rural areas ecological management - Google Patents

Abstract

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

Description

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

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 countryside and peasantry living standard improves and inproving living environment, between rural health, the lives such as shower house, washing machine The popularization and application of facility, the random discharge of domestic sewage in rural areas cause the 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.Domestic sewage of villages and small towns, scattered cultivation are useless Water and processing of farm products blowdown are had become as 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, and COD, total nitrogen and total phosphorus content are respectively 205mg/L, 50mg/ in sanitary sewage There are a 6.4 hundred million villages and small towns populations in L and 5.5mg/L meters, current China, the COD discharged every year, total nitrogen and total phosphorus be up to 431.0 respectively, 105.1 and 11.6 ten thousand tons.Since Rural Water Environment pollution source is complicated, distribution is wide, difficulty of governance is big, with municipal sewage treatment Compare, it is difficult to centralized collection, be not suitable for using excessively concentrate tupe (peasant household is sparsely populated, pipe network collect sewage into Ben Taigao).Rural sewage treatment pattern and technology generally can be divided into centralized processing, decentralized processing and treatment in situ pattern.(1) collect Middle tupe：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 received using pipe network Collect sewage, establish sewage treatment plant, sewage can qualified discharge or reuse after processing.The sewage disposal technology of generally use is active Sludge and the methods of SBR.(2) decentralized processing pattern：The major technique of domestic and international separated practices sanitary sewage has at wetland Reason system, High-Rate Algae Pond technology, artificial wet land treating system and anaerobic methane pool technology etc..(3) at traditional sewage in situ Reason system (septic tank) go to denitrogenate, effect is poor in terms of phosphorus compound and pathogenic organisms, it is into one to be only used as pre-processing device Step is administered and is prepared.Rural sewage treatment process is promoted now includes aeration tank, biofilter, activated sludge process (SBR) reaction Device, stabilization pond, artificial swamp etc., the highest three kinds of sewage disposal technologies of frequency of use are：It catalytic oxidation, oxidation ditch and quickly oozes Filter system.Contact oxidation method is one kind of biofilm, oxidation ditch be using ripe manual system, quick diafiltration be cost very Low land treatment system.It can be seen that quick diafiltration and oxidation pond technology construction, operating cost based on natural system compared with It is low, secondly catalytic oxidation and biological aerated filter based on biofilm, and SBR, oxidation ditch and biography based on manual system The cost of erection of the activated sludge process of system is all higher, to consume the chemical agents such as certain electric energy and flocculant, to arrange personal management It safeguards, operating cost is also higher.From treatment effect, shock resistance, operational management, whether energy saving, floor space etc. Analyzed, it can be seen that above-mentioned technology all there are certain technical problem, and engineering cost and operating cost burden still above The ability to bear of rural subscribers.

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 and promote and apply construction cost less investment, maintenance management is simple, the dispersing type of low operating cost, environmental agriculture Village's New Technologies for Sanitary Sewage Disposal 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 The natural height in village corner wasteland (vacant land) is poor, and sanitary sewage is adjusted and bio-matrix processing pond, ecological wetland in front end The natural pollutants such as flow process, nitrogen phosphorus are by plant absorptions such as green watermifoils between current wetland, by the micro- life of nitration denitrification The purifications such as object and anaerobic ammonia oxidation microbiological, by absorption such as clay, bentonites, the system structure is simple, and (construction cost is only existing / 3rd or so of row sewage treatment facility), maintenance management is convenient, and treatment effect is stablized, and operational process does not need to consumption electricity Power and flocculant etc., maintenance operation expense are low (only 1/10th or so of existing sewage treatment facility).

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 and bio-matrix clarifier-tank, two by grid pond, level-one front end Grade front end is adjusted to be adjusted and bio-matrix clarifier-tank, level-one ecological wetland, two level ecology with bio-matrix clarifier-tank, three-level front end The green ecological wetland of wetland, three-level, current wetland, level Four ecological wetland, Pyatyi ecological wetland, six grades of ecological wetlands, seven grades of ecologies Wetland forms, it is characterised in that：Level-one front end adjust with bio-matrix clarifier-tank by pipeline respectively with grid pond, two level front end Adjusting be connected with bio-matrix clarifier-tank, three-level front end adjust and bio-matrix clarifier-tank by pipeline respectively with two level front end tune Section is adjusted with bio-matrix clarifier-tank, level Four front end to be connected with bio-matrix clarifier-tank, and level-one ecological wetland is distinguished by pipeline Adjust with level Four front end and be connected with bio-matrix clarifier-tank, two level ecological wetland, the green ecological wetland of three-level by pipeline respectively with Two level ecological wetland, level Four ecological wetland are connected, and level Four ecological wetland passes through the pipeline wet, current wetland with the green ecology of three-level respectively It is connected, for current wetland by the way that pipeline is wet with the green ecology of three-level respectively, Pyatyi ecological wetland is connected, Pyatyi ecological wetland passes through pipeline It is connected respectively with current wetland, six grades of ecological wetlands.Six grades of ecological wetlands are connected (planar water by pipeline with seven grades of ecological wetlands Stream direction sees that Fig. 2, section water (flow) direction are shown in Fig. 3).

By abovementioned technology, sanitary sewage in system by front end to end (front and rear), by surface to bottom (on Under) Uniform Flow, sewage and bio-matrix (straw and related microorganisms) come into full contact with, sewage and with green watermifoil plant and its The microorganism being attached on green watermifoil comes into full contact with, so that green watermifoil turns ammonia nitrogen the absorption of nitrogen phosphorus, microorganism Change, obtain treatment effect that is effective to pollutant and stablizing.Now each pond is 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：Build the front end of sanitary sewage design treatment 1-1.5 times of volume of amount Adjusting and bio-matrix clarifier-tank, being put into 2-4 tons of straw, (straw gradually decomposes, and needs 1-2 tons or so of addition every 5-7 months Straw), the domestic sewage in rural areas handled by grid pond enters level-one front end and adjusts and bio-matrix clarifier-tank.Front end adjust with Bio-matrix clarifier-tank major function is to adjust carbon-nitrogen ratio, acid-base value and microbial population in sanitary sewage, and intercept subtle The harmful substance (such as grease) of grain object and some influence plant growths, degradation part COD and ammonia nitrogen.

C, two level front end is adjusted and bio-matrix clarifier-tank：Build the front end of sanitary sewage design treatment 1-1.5 times of volume of amount Adjusting and bio-matrix clarifier-tank, being put into 2-4 tons of straw, (straw gradually decomposes, and needs 1-2 tons or so of addition every 5-7 months Straw), two level front end adjusts to adjust into three-level front end with the water outlet of bio-matrix purified treatment processing pond and be purified with bio-matrix It handles the adjusting of processing pond level-one front end and the water outlet of bio-matrix clarifier-tank is adjusted into two level front end and bio-matrix clarifier-tank.

D, three-level front end is adjusted and bio-matrix clarifier-tank：Build the front end of sanitary sewage design treatment 1-1.5 times of volume of amount Adjusting and bio-matrix clarifier-tank, being put into 2-4 tons of straw, (straw gradually decomposes, and needs 1-2 tons or so of addition every 5-7 months Straw), two level front end is adjusted enters the adjusting of three-level front end and bio-matrix clarifier-tank with the water outlet of bio-matrix clarifier-tank.

E, level-one ecological wetland：Building the ecological wetland of sanitary sewage design treatment 2-3 times of volume of amount, (frame is mixed for cement brick Structure), wetland underfill 58-62cm clays (red soil fine earth) plant green watermifoil, keep 30-35cm water depths, before three-level End is adjusted enters level-one ecological wetland with the water outlet of bio-matrix clarifier-tank.

F, two level ecological wetland：Building the ecological wetland of sanitary sewage design treatment 2-3 times of volume of amount, (frame is mixed for cement brick Structure), wetland underfill 18-22cm clays (red soil fine earth) plant green watermifoil, keep 70-90cm water depths, level-one life State wetland effluent enters two level ecological wetland.

G, the green ecological wetland of three-level：Building the ecological wetland of sanitary sewage design treatment 2-3 times of volume of amount, (frame is cement brick Mixed structure), wetland underfill 58-62cm clays (red soil fine earth) plant green watermifoil, keep 30-35cm water depths, two level Ecological wetland water outlet enters three-level ecological wetland.

H, level Four ecological wetland：Building the ecological wetland of sanitary sewage design treatment 2-3 times of volume of amount, (frame is mixed for cement brick Structure), wetland underfill 18-22cm clays (red soil fine earth) plant green watermifoil, keep 70-90cm water depths, three-level life State wetland effluent enters level Four ecological wetland.

I, current wetland：The green watermifoil ecological wetland water outlet of level Four enters current wetland, which is cement Brick mix structure wetland, current wetland volume are 2-3 times of sewage design treatment amount, and current wetland depth 100-150cm fills five layers (underfill 10-20cm clays fill 10-20cm fine sands to material on clay, and 30-40 function unimolecules are filled on fine sand Nanocomposite, fills 20-30 bentonites on function unimolecule nanocomposite, and top layer filling 30-40cm is broken Stone), plant canna.

J, Pyatyi ecological wetland：Current wetland water outlet enters Pyatyi ecological wetland, this grade of ecological wetland frame is cement brick Mixed structure wetland, 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 enters six grades of ecological wetlands, this grade of ecological wetland frame is water Mud brick mix structure wetland, wetland underfill 18-22cm clays (red soil fine earth) plant green watermifoil, keep the 70-90cm depth of waters Degree.

L, seven grades of ecological wetlands：Six grades of ecological wetland water outlets enter seven grades of ecological wetlands, this grade of ecological wetland frame is water Mud brick mix structure wetland, wetland underfill 18-22cm clays (red soil fine earth) plant green watermifoil, keep the 70-90cm depth of waters Degree.

Compared with existing domestic sewage in rural areas administering method, the utility model has the following advantages and effect：

1. it is many that there is certain innovative improvement for domestic sewage in rural areas to have had at present on administering method 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 Receive the nitrogen phosphorus in water body, the microbe symbiotics such as particularly green watermifoil and nitration denitrification, Anammox, by ammonia nitrogen in water body Nitrogen purifying water body is converted into, green watermifoil is re-used as feed resource utilization.

2. the low most important construction cost of the present invention of construction cost includes pipe network system and processing system two parts, processing system System includes 3 grades of sewage front ends and adjusts and bio-matrix processing pond, multistage green watermifoil ecological wetland, 1 grade of current wetland and 1 grade of end Polymer adsorption is held, between adding up to 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, majority needs the energy such as electric power in existing sanitary sewage disposal technology easy to operate, and this place Reason method mainly (devises 3 grades of front ends to adjust and bio-matrix processing pond, 1 grade of current wetland using the driving force of nature gradient With 7 grades of ecological wetlands, 5cm or so difference in height is designed between upper level and next stage), water body is in bio-matrix processing pond, green fox It is constantly flowed in tail algae wetland, current wetland.Water body flow incessantly promote sewage and bio-matrix (straw to it is related micro- Biology) come into full contact with, sewage and sorbing material come into full contact with, sewage and with green watermifoil plant and its being attached on green watermifoil Microorganism come into full contact with, so that green watermifoil is to the conversion of the absorption, microorganism of nitrogen phosphorus to ammonia nitrogen, obtain identical to pollution The treatment effect that object is stablized；The system does not need to be aerated, and does not need to addition chemical floc etc., it is not required that professional maintenance pipe Manage troop.Usual daily management and maintenance be ecological wetland need mow and remove weeds (4-5 time annual), front end adjust and Bio-matrix processing pond needs to add straw (annual 2 times), operates very simple；A set of rural domestic sewage treatment system 1 The operational and administrative expenses about 2000-3000 members in year or so；

4. good this treatment method for rural sewage front end of regulation effect 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 (being shown in Table 3).

5. the green watermifoil of recycling ecological wetland plant is a kind of high-quality feed resource, crude protein, crude fat, thick fibre The nutritional ingredients such as dimension, vitamin, amino acid, minerals equal size height (being shown in Table 1, table 2), quality and clover, clover are suitable, often 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 the skill Art administers domestic sewage in rural areas and (green watermifoil produces as chicken, duck, goose and pannage and ecology is supported using green watermifoil fodder Grow method and in addition applied for patent, application number is 201510653646.4 respectively, 201510653519.4, 201510654125.0th, 201710684543.3,201710684544.8), can reduce breeding feed to high-quality arable land according to Rely, be 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 (plane)；

Fig. 3 is a kind of domestic sewage processing system flow schematic diagram (section)；

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 to be adjusted and bio-matrix clarifier-tank, E with bio-matrix clarifier-tank, E- level Four front end Level-one ecological wetland, F- two levels ecological wetland, the green ecological wetland of G- three-levels, H- level Four ecological wetland, I- current wetlands, Seven grades of J- Pyatyis ecological wetland, six grades of ecological wetlands of K-, L- ecological wetlands.

Specific embodiment

Embodiment 1:

A kind of domestic sewage in rural areas ecological treatment method, with Jiangmen City of Guangdong Province Xinhui District San Jiang towns Liang Dechong villages demonstration work For journey, demonstration project improvement collects the domestic sewage in rural areas that about 9, villages of processing Liao Gai more than 2005 people of villager group generates.The agriculture Utilize one agreement that contracts a film or TV play to an actor or actress 900m of the edge of the village to village's domestic sewage ecological processing engineering adaptation to local conditions²(long 30m, wide 30m) lay idle and one The discarded irrigation canals and ditches of length 55m width 6m or so and design (plan view is shown in attached drawing 2), design treatment scale (passes through for 50 ton days Pipe network has collected the daily life sewage of 4 more than 820 people of villager group), on March 6th, 2017 starts to construct, and 27-29 days March opened Begin to adjust in front end and add straw with bio-matrix pond, green watermifoil is planted in ecological wetland, canna is planted in current wetland； April 14 started to access sanitary sewage into system, acquisition water sample analysis result display system on June 12 end wetland discharge water The pollutant loads such as middle COD, ammonia nitrogen, total nitrogen and total phosphorus are below State Environmental Protection Administration in 2002 issuing and implementation《China People's republic's city domestic sewage discharge standard (GB18918-2002)》Level-one Con trolling index value (table 3).

According to Fig. 1, Fig. 2, Fig. 3 it is found that a kind of domestic sewage in rural areas ecological treatment method, it includes the following steps：

1st, grid pond A：Grid pond frame mixes pool construction (bottom carry out Anti-seeping technology) for cement brick, and design specification is length 600cm, wide 240cm, deep 150cm, pending domestic sewage in rural areas introduce grid pond by pipe network, and periodic cleaning grid pond is blocked The rubbish and the silt of precipitation cut.

2nd, level-one front end is adjusted and bio-matrix clarifier-tank B：It is water that level-one front end, which is adjusted with bio-matrix clarifier-tank frame, Adobe mixes pool construction (bottom carry out Anti-seeping technology), and design specification is long 960cm, wide 600cm, deep 150cm,：Pass through grid The domestic sewage in rural areas of pond filtering spam and silt enters level-one front end and adjusts and bio-matrix clarifier-tank.

3rd, two level front end is adjusted and bio-matrix clarifier-tank C：It is water that two level front end, which is adjusted with bio-matrix clarifier-tank frame, Adobe mixes pool construction (bottom carry out Anti-seeping technology), and design specification is long 1200cm, wide 600cm, deep 150cm, level-one front end It adjusts and enters the adjusting of two level front end and bio-matrix clarifier-tank with the water outlet of bio-matrix clarifier-tank

4th, three-level front end is adjusted and bio-matrix clarifier-tank D：It is water that three-level front end, which is adjusted with bio-matrix clarifier-tank frame, Adobe mixes pool construction (bottom carry out Anti-seeping technology), and design specification is long 1200cm, wide 600cm, deep 150cm, two level front end It adjusts and enters the adjusting of three-level front end and bio-matrix clarifier-tank with the water outlet of bio-matrix clarifier-tank.

5th, level-one ecological wetland E：Three-level front end is adjusted enters level-one ecological wetland, the grade with the water outlet of bio-matrix clarifier-tank Ecological wetland frame mixes pool construction (bottom carry out Anti-seeping technology) for cement brick, and design specification is long 1800cm, wide 600cm, Deep 100cm, wetland underfill 60cm clay (red soil fine earth) plant green watermifoil, keep 35cm water depths.

6th, two level ecological wetland F：The water outlet of level-one ecological wetland enters two level ecological wetland, this grade of ecological wetland frame is water Adobe mixes pool construction (bottom carry out Anti-seeping technology), and design specification is long 2400cm, wide 600cm, deep 100cm, wetland bottom 20cm clays (red soil fine earth) are filled, plant green watermifoil, keep 75cm water depths.

7th, the green ecological wetland G 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 1800cm, wide 600cm, deep 100cm, and (red soil is thin for wetland underfill 60cm clays Soil), green watermifoil is planted, keeps 35cm water depths.

8th, level Four ecological wetland H：Current wetland water outlet enters level Four ecological wetland, this grade of ecological wetland frame is cement brick Mixed structure, design specification are long 2400cm, wide 700cm, deep 100cm, and wetland underfill 20cm clays (red soil fine earth) are planted Green watermifoil keeps 75cm water depths.

9th, current wetland I：The green watermifoil ecological wetland water outlet of three-level enters current wetland, and current wetland design specification is length 1800cm, wide 600cm, deep 120cm.Fill 5 layer materials：Underfill 20cm clays fill 20cm fine sands, thin on clay 30cm function unimolecule nanocomposites are filled on sand, 20cm bentonites are filled on function unimolecule nanocomposite, 30cm rubbles are filled by top layer.Canna is planted in metalling.

10th, Pyatyi ecological wetland J：The water outlet of level Four ecological wetland enters Pyatyi ecological wetland, this grade of ecological wetland frame is Cement brick mix structure, design specification are long 1800cm, wide 600cm, deep 100cm, and (red soil is thin for wetland underfill 20cm clays Soil), green watermifoil is planted, keeps 75cm water depths.

11st, six grades of ecological wetland K：The water outlet of Pyatyi ecological wetland enters six grades of ecological wetlands, this grade of ecological wetland frame is Cement brick mix structure, design specification are long 1800cm, wide 600cm, deep 100cm, and (red soil is thin for wetland underfill 20cm clays Soil), green watermifoil is planted, keeps 75cm water depths.

12nd, seven grades of ecological wetland L：Six grades of ecological wetland water outlets enter seven grades of ecological wetlands, this grade of ecological wetland frame is Cement brick mix structure, design specification are long 1800cm, wide 600cm, deep 100cm, and (red soil is thin for wetland underfill 20cm clays Soil), green watermifoil is planted, keeps 75cm water depths.

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 the identical treatment effect stablized to pollutant.COD, ammonia nitrogen, total nitrogen, phosphoric acid in system end (seven grades of ecological wetlands) discharge water The major pollutants such as salt and total phosphorus stable content is less than State Environmental Protection Administration in 2002 issuing and implementation《Chinese people's republicanism State's city domestic sewage discharge standard》(GB18918-2002) level-one A Con trolling index value.

3 this method of table is to domestic sewage in rural areas major pollutants treatment effect

(Jiangmen City of Guangdong Province Xinhui District Ya Zhen towns Nan He villages sanitary sewage disposal engineering, 2017-06-12 samplings)

Embodiment 2：

According to Fig. 1, Fig. 2, Fig. 3 it is found that a kind of system of domestic sewage in rural areas ecological management, before it is by grid pond A, level-one End adjusting and bio-matrix clarifier-tank B, two level front end adjusting and bio-matrix clarifier-tank C, three-level front end adjusts and bio-matrix Clarifier-tank D, level-one ecological wetland E, two level ecological wetland F, the green ecological wetland G of three-level, level Four ecological wetland H, current wetland I, Pyatyi ecological wetland J, six grades of ecological wetland K, seven grades of ecological wetland L 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 H respectively, level Four ecological wetland H By pipeline, G wet with the green ecology of three-level, current wetland I are connected respectively, and current wetland I 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 I, six grades of ecological wetland K respectively.Six Grade ecological wetland K is connected (plane water (flow) direction is shown in that Fig. 2, section water (flow) direction are shown in Fig. 3) by pipeline with seven grades of ecological wetland L.

By abovementioned technology, sanitary sewage in system by front end to end (front and rear), by surface to bottom (on Under) Uniform Flow, sewage and bio-matrix (straw and related microorganisms) come into full contact with, sewage and with green watermifoil plant and its The microorganism being attached on green watermifoil comes into full contact with, so that green watermifoil turns ammonia nitrogen the absorption of nitrogen phosphorus, microorganism Change and the degradation to COD, obtain to major pollutants stablize adequately absorb, conversion, degradation and absorption etc. treatment effects.It is now right Each pond is explained as follows：

1st, grid pond A：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.

2nd, level-one front end is adjusted and bio-matrix clarifier-tank B：Build sanitary sewage design treatment amount 1 or 1.2 or 1.5 times of volumes Front end adjust with bio-matrix clarifier-tank, be put into 2 or 3 or 4 tons of straw (straw gradually decomposes, every 5 or 6 or 7 months need Add 1 or 2 ton or so straw), it is net with bio-matrix that the domestic sewage in rural areas handled by grid pond enters the adjusting of level-one front end Change pond.It is to adjust carbon-nitrogen ratio, acid-base value and microbial species in sanitary sewage that front end, which is adjusted with bio-matrix clarifier-tank major function, Group, and intercept harmful substance (such as grease), degradation part COD and the ammonia nitrogen of fine particulates and some influence plant growths.

3rd, two level front end is adjusted and bio-matrix clarifier-tank C：Build sanitary sewage design treatment amount 1 or 1.3 or 1.5 times of volumes Front end adjust with bio-matrix clarifier-tank, be put into 2 or 3 or 4 tons of straw (straw gradually decomposes, every 5 or 6 or 7 months need Add 1 or 2 ton or so straw), two level front end is adjusted to be adjusted with the water outlet of bio-matrix purified treatment processing pond into three-level front end It is adjusted with bio-matrix purified treatment processing pond level-one front end and the water outlet of bio-matrix clarifier-tank enters the adjusting of two level front end and life Object matrix clarifier-tank.

4th, three-level front end is adjusted and bio-matrix clarifier-tank D：Build sanitary sewage design treatment amount 1 or 1.2 or 1.5 times of volumes Front end adjust with bio-matrix clarifier-tank, be put into 2 or 3 or 4 tons of straw (straw gradually decomposes, every 5 or 6 or 7 months need Add 1 or 2 ton or so straw), two level front end is adjusted and the water outlet of bio-matrix clarifier-tank is adjusted into three-level front end and biology base Matter clarifier-tank.

5th, level Four front end is adjusted and bio-matrix clarifier-tank E：Build sanitary sewage design treatment amount 1 or 1.2 or 1.4 or 1.5 The front end of times volume adjust with bio-matrix clarifier-tank, being put into 2 or 3 or 4 tons of straw, (straw gradually decomposes, every 5 or 6 or 7 The moon need add 1 or 2 ton or so straw), three-level front end adjust with bio-matrix clarifier-tank water outlet enter level Four front end adjust with Bio-matrix clarifier-tank.

6th, two level ecological wetland F：Building the ecological wetland of sanitary sewage design treatment amount 2 or 3 times of volumes, (frame is cement brick Mixed structure), wetland underfill 20cm clays (red soil fine earth) plant green watermifoil, keep 70 or 42 or 75cm water depths, and one Grade ecological wetland water outlet enters two level ecological wetland.

7th, three-level ecological wetland G：Building the ecological wetland of sanitary sewage design treatment amount 2 or 3 times of volumes, (frame is cement brick Mixed structure), wetland underfill 50cm clays (red soil fine earth) plant green watermifoil, keep 30 or 33 or 35cm water depths, and two Grade ecological wetland water outlet enters three-level ecological wetland.

8th, level Four ecological wetland H：Building the ecological wetland of sanitary sewage design treatment amount 2 or 3 times of volumes, (frame is cement brick Mixed structure), wetland underfill 20cm clays (red soil fine earth) plant green watermifoil, keep 70 or 73 or 75cm water depths, and three Grade ecological wetland water outlet enters level Four ecological wetland.

9th, current wetland I：The green watermifoil ecological wetland water outlet of level Four enters current wetland, which is cement Brick mix structure wetland, current wetland volume be sewage design treatment amount 2 or 3 times, current wetland depth 100 or 110 or 120 or 130 or 140 or 150cm fills five layer materials：Underfill 10 or 14 or 18 or 20cm clays, on clay filling 10 or 13 or 16 or 18 or 20cm fine sands, 20 or 24 or 27 or 30cm function unimolecule nanocomposites are filled on fine sand, in function list Filling 20 or 24 or 28 or 30cm bentonites on molecule nano composite material, top layer's filling 20 or 23 or 27 or 30cm rubbles, Plant canna.

The current wetland I structures are five layer materials, and underfill is clay, and clay thickness is 10 or 13 or 16 or 18 Or 20cm clays；Fine sand is filled on clay, fine sand thickness is 10 or 12 or 14 or 16 or 18 or 20cm；Work(is filled on fine sand Energy unimolecule nanocomposite, function unimolecule nanocomposite thickness are 20 or 23 or 25 or 28 or 30cm；In function Bentonite is filled on unimolecule nanocomposite, swelling soil thickness is 20 or 22 or 26 or 28 or 30cm；It is filled in top layer Rubble, rubble thickness is 20 or 23 or 25 or 27 or 30cm, and canna is planted in rubble.Sewage is wet by vertical current undercurrent Air can be come into full contact with during ground to increase dirty oxygen content in water, is filled out by contacting function unimolecule nanocomposite and clay etc. Expect growth and development of plants phase root system absorbed nitrogen phosphorus from sewage such as phosphate, ammonia nitrogen and the pigment in absorption effluent, canna, obtain Obtain the effect of purifying water body.

10th, Pyatyi ecological wetland J：Current wetland water outlet enters Pyatyi ecological wetland, this grade of ecological wetland frame is cement Brick mix structure wetland, wetland underfill 20cm clays (red soil fine earth) plant green watermifoil, keep 70 or 73 or the 75cm depth of waters Degree.

11st, six grades of ecological wetland K：The water outlet of Pyatyi ecological wetland enters six grades of ecological wetlands, this grade of ecological wetland frame is Cement brick mix structure wetland, wetland underfill 20cm clays (red soil fine earth) plant green watermifoil, keep 70 or 72 or 75cm Water depth.

12nd, seven grades of ecological wetland L：Six grades of ecological wetland water outlets enter seven grades of ecological wetlands, this grade of ecological wetland frame is Cement brick mix structure wetland, wetland underfill 20cm clays (red soil fine earth) plant green watermifoil, keep 70 or 74 or 75cm Water depth.

Claims (2)

1. a kind of system of domestic sewage in rural areas ecological management, it is by grid pond（A）, level-one front end adjust with bio-matrix purify Pond（B）, two level front end adjust with bio-matrix clarifier-tank（C）, three-level front end adjust with bio-matrix clarifier-tank（D）, level-one life State wetland（E）, two level ecological wetland（F）, the green ecological wetland of three-level（G）, level Four ecological wetland（H）, current wetland（I）, Pyatyi Ecological wetland（J）, six grades of ecological wetlands（K）, seven grades of ecological wetlands（L）Composition, it is characterised in that：Level-one front end is adjusted and biology Matrix clarifier-tank（B）By pipeline respectively with grid pond（A）, two level front end adjust with bio-matrix clarifier-tank（C）It is connected, three-level Front end is adjusted and bio-matrix clarifier-tank（D）It is adjusted and bio-matrix clarifier-tank with two level front end respectively by pipeline（C）, level-one Ecological wetland（E）It is connected, level-one ecological wetland（E）It is adjusted and bio-matrix clarifier-tank with three-level front end respectively by pipeline（D）、 Two level ecological wetland（F）It is connected, the green ecological wetland of three-level（G）By pipeline respectively with two level ecological wetland（F）, level Four ecology it is wet Ground（H）It is connected, level Four ecological wetland（H）It is wet with the green ecology of three-level respectively by pipeline（G）, current wetland（I）It is connected, undercurrent is wet Ground（I）It is wet with the green ecology of three-level respectively by pipeline（G）, Pyatyi ecological wetland（J）It is connected, Pyatyi ecological wetland（J）Pass through pipe Road respectively with current wetland（I）, six grades of ecological wetlands（K）It is connected, six grades of ecological wetlands（K）Pass through pipeline and seven grades of ecological wetlands （L）It is connected.

2. a kind of system of domestic sewage in rural areas ecological management described in claim 1, it is characterised in that：The current wetland （I）Structure is five layer materials, and underfill is clay, and clay thickness is 10-20 cm clays；Fine sand is filled on clay, carefully Husky thickness is 10-20 cm；Function unimolecule nanocomposite is filled on fine sand, function unimolecule nanocomposite is thick It spends for 20-30cm；Bentonite is filled on function unimolecule nanocomposite, swelling soil thickness is 20-30cm；Most upper Layer filling rubble, rubble thickness is 20-30cm, and canna is planted in rubble.