CN207313360U - A kind of collection of agricultural non-point source pollution agricultural drain and secondary treatment system - Google Patents
A kind of collection of agricultural non-point source pollution agricultural drain and secondary treatment system Download PDFInfo
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- CN207313360U CN207313360U CN201720974148.4U CN201720974148U CN207313360U CN 207313360 U CN207313360 U CN 207313360U CN 201720974148 U CN201720974148 U CN 201720974148U CN 207313360 U CN207313360 U CN 207313360U
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Abstract
This application involves pollution of area source control and Treatment process field, and in particular to a kind of collection of agricultural non-point source pollution agricultural drain and secondary treatment system.Impurity in the processed water of current system is relatively more, it is impossible to be used in field irrigation, it is impossible to realize recycling for water and wasting problem.The application provides collection and the secondary treatment system of a kind of agricultural non-point source pollution agricultural drain, including water collector unit and water treatment unit, and the water collector unit includes catchment setting pot and the hydrolysis acidification pool being connected with each other by the first outlet pipe；The water treatment unit includes the anaerobic precipitation pond and soil filtration pond being connected with each other by the second outlet pipe；The anaerobic precipitation pond is connected by flow-out hole with the hydrolysis acidification pool.Field irrigation can be back to, realizes recycling for water so that the setting pot that catchments intercepts runoff and sediment and suspended matter, the higher agricultural drain of soil filtration pond concentration for the treatment of, the agricultural drain after processing.
Description
Technical field
This application involves pollution of area source control and Treatment process field, and in particular to a kind of agricultural non-point source pollution agricultural drain
Collection and secondary treatment system.
Background technology
Agricultural planting and agricultural production provide food and the raw material of industry for the country and people, are both the important branch of national food
Column, and the basis of the national economic development and social stability.In agriculture, woods, herd, in the fishing industrial structure, the proportion shared by agricultural is most
Greatly.The demand of grain is big, and the demand of agricultural water also increases therewith.Traditional leaching irrigation technology not only causes the wave of water resource
Take, also be easy to cause saline Land, and can in large area fine particle or it is water-soluble in pollutant bring to underground
In water body or surface water.In the past 30 years, peasant changes made doing for fertilizer fertilising with farm animal excrement in process of production in the past
Method, starts a large amount of useization excrement and pesticide.Since farm animal excrement volume is big, fertilizer efficiency is slow, storage transport is inconvenient, using trouble,
Therefore, the feces of livestock and poultry for being once once considered as " resource " becomes waste, not only nowhere can use, but also becomes environmentally hazardous dirt
Dye source；In contrast, the easy storage of chemical fertilizer, Portable belt, cheap, becomes the preferred fertilizer of peasant, and to ensure grain
Yield and quality, peasant can also put into a certain amount of pesticide in planting process.Chemical fertilizer is soluble in water and is filled with substantial amounts of
When irrigating flowing water input water body, it can bring because of the body eutrophication caused by nitrogen, phosphorus, potassium excess the problem of；Pesticide enters water body, meeting
Cause the pollutants such as organochlorine, organophosphor, organo-arsenic, these toxic pollutant stable structure, not degradable, toxic residue time
It is long, there is very big harm to ecological environment, if people have drunk the water by such pollution, be easy to cause slow poisoning, also
It may disable, teratogenesis, the survival and development of the serious threat rural area people.
It is existing to be administered for agricultural non-point source pollution draining, mostly using anaerobic pond, facultative lagoon, aerobic ponds, aerated pond etc.
The system of stabilization pond etc, but the impurity in the processed water of current system is relatively more, it is impossible to be used in field irrigation, it is impossible to
Realize recycling for water and cause to waste.
Utility model content
The purpose of the application is above-mentioned existing for agricultural non-point source pollution draining improvement in order to solve, mostly using anaerobism
The system of the stabilization ponds such as the pool, facultative lagoon, aerobic ponds, aerated pond etc, but the impurity ratio in the processed water of current system
It is more, it is impossible to be used in field irrigation, it is impossible to realize recycling for water and wasting problem.
For this reason, the utility model embodiment provides following technical solution：A kind of receipts of agricultural non-point source pollution agricultural drain
Collection and secondary treatment system, including water collector unit and water treatment unit, the water collector unit include passing through the first outlet pipe phase
Catchment setting pot and the hydrolysis acidification pool to connect；The water treatment unit includes the anaerobism being connected with each other by the second outlet pipe
Sedimentation basin and soil filtration pond；The anaerobic precipitation pond is connected by flow-out hole with the hydrolysis acidification pool；
The setting pot pond grate that catchments is provided with the top of the setting pot that catchments；The soil filtration pond from bottom to top includes successively
Base impervious layer, collection water layer, pervious bed, the first filter material layer, the second filter material layer, water distribution layer, capillary soakage layer, anti-blocking layer, thoroughly
Gas soil horizon and layer of plants；The collection water layer is provided with collector pipe, and the collector pipe is connected with second outlet pipe, the cloth
Water layer is provided with water distributor.
Alternatively, the setting pot bottom of catchmenting is in cone bucket shape, and the angle on the conical surface and floor is 60 °；The collection grit removal
Pond quantity includes 3, and each setting pot spacing of catchmenting includes 50~60 meters.
Alternatively, it is provided with soft cellulose filler layer in the hydrolysis acidification pool.
Alternatively, elastic solid filler layer is provided with the anaerobic precipitation pond, the anaerobic precipitation bottom of pond portion is provided with 4
A 135 ° of slope.
Alternatively, the vertical section in the soil filtration pond is trapezoidal；The base impervious layer includes the polypropylene of 250g/ ㎡
Geomembrane；The collection water layer includes the gravel that particle diameter is 16~32mm, and the water layer thickness that integrates is 200mm；The pervious bed bag
The gravel that particle diameter is 8~16mm is included, the permeable layer thickness is 150mm；It is 8~16mm's that first filter material layer, which includes particle diameter,
Lytag, the first filtrate layer thickness 200mm；Second filter material layer includes the shale that particle diameter is 4~8mm, described
Second filtrate layer thickness is 100mm；The water distribution layer (including the cobblestone that particle diameter is 16~32mm, the water distribution layer thickness are
200mm；The capillary soakage layer includes the breeze that particle diameter is 8-16mm, and the capillary infiltration layer thickness is 250mm；Institute
Stating anti-blocking layer includes polyurethane strainer；The parts by weight of each component include in the ventilation soil layer：20 parts of flyash, copper, iron, zinc
2 parts each with molybdenum, 70 parts of clay；The layer of plants includes cattail, grass-leaved sweetflag, Scirpus tabernaemontani and canna.
Alternatively, the collector pipe includes catchment supervisor and collection branch pipe；The diameter 65mm of the supervisor that catchments, the collection
A diameter of 32mm of water branch pipe, the spacing of the collection branch pipe are 300mm, along center line both ends in the every collection branch pipe
30 ° of angles are interlaced to be provided with a diameter of 8mm holes, and the pitch of holes is 100mm；Supervisor and the collection branch pipe of catchmenting
Material is UPVC.
Alternatively, the water distributor includes water distribution supervisor and water distribution branch pipe, and a diameter of 65mm of the water distribution supervisor is described
A diameter of 32mm of water distribution branch pipe, the spacing of the water distribution branch pipe are 300mm, along center line both ends on the every water distribution branch pipe
30 ° of angles are interlaced to be provided with a diameter of 10mm holes, and the pitch of holes is 100mm；The material of the water distributor is UPVC.
Alternatively, recycle-water reservoir is further included, the recycle-water reservoir is connected with the soil filtration pond.
Alternatively, the recycle-water reservoir is provided with reuse water pump, and it is defeated that the reuse exit of pump is provided with reuse water pump
Water pipe.
Alternatively, the setting pot that catchments is connected with water inlet pipe.
The technical solution that the utility model embodiment provides includes following beneficial effect：The application will be by that will collect grit removal
Pond, hydrolysis acidification pool, anaerobic precipitation pond are connected with soil filtration pond, while are from bottom to top set gradually in soil filtration pond
Base impervious layer, collection water layer, pervious bed, the first filter material layer, the second filter material layer, water distribution layer, capillary soakage layer, anti-blocking layer, thoroughly
Gas soil horizon and layer of plants so that the setting pot that catchments intercepts runoff and sediment and suspended matter, soil filtration pond concentration for the treatment of are higher
Agricultural drain, the agricultural drain after processing can be back to field irrigation, realize recycling for water.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be apparent that, for those of ordinary skills, in not making the creative labor property
On the premise of, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is collection and the secondary treatment system for a kind of agricultural non-point source pollution agricultural drain that the utility model embodiment provides
Schematic top plan view；
Fig. 2 is collection and the secondary treatment system for a kind of agricultural non-point source pollution agricultural drain that the utility model embodiment provides
Front schematic view；
Fig. 3 is collection and the secondary treatment system for a kind of agricultural non-point source pollution agricultural drain that the utility model embodiment provides
Side schematic view；
Symbolic indication in Fig. 1-2 is：
1- water collector units, 2- water treatment unit, the first outlet pipes of 3-, 4- catchment setting pot, 5- hydrolysis acidification pools, 6-
Two outlet pipes, 7- anaerobic precipitations pond, 8- soil filtrations pond, 9- flow-out holes, 10- catchment setting pot pond grate, 11- base impervious layers,
12- collection water layers, 13- pervious beds, the first filter material layers of 14-, the second filter material layers of 15-, 16- water distribution layers, 17- capillary soakage layers, 18-
Anti- blocking layer, 19- ventilation soil layers, 20- layer of plants, 21- collector pipes, 22- water distributors, 23- soft cellulose filler layers, 24- elasticity
3-D filler layer, 25- recycle-water reservoirs, 26- reuse water pumps, 27- reuse water pump water-supply-pipes, 28- water inlet pipes.
Embodiment
Attached drawing herein is merged in specification and forms the part of this specification, shows and meets the utility model reality
Apply example, and be used for together with specification the principle for explaining the utility model.
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, for ordinary skill people
For member, without having to pay creative labor, other attached drawings can also be obtained according to these attached drawings.
It is existing to be administered for agricultural non-point source pollution draining, mostly using anaerobic pond, facultative lagoon, aerobic ponds, aerated pond etc.
The technology of stabilization pond etc, but current technology area is big, occupation of land is more, treatment effeciency is low, effluent quality is unstable
Stink fixed, water outlet algae content is high, generation is certain.
Embodiment one
Referring to Fig. 1~3, a kind of collection of the agricultural non-point source pollution agricultural drain provided for the utility model embodiment with again
Processing system, including water collector unit 1 and water treatment unit 2, the water collector unit 1 include mutual by the first outlet pipe 3
Catchment setting pot 4 and the hydrolysis acidification pool 5 of connection；The water treatment unit 2 includes detesting by what the second outlet pipe 6 was connected with each other
Oxygen precipitation pond 7 and soil filtration pond 8；The anaerobic precipitation pond 7 is connected by flow-out hole 9 with the hydrolysis acidification pool 5；
The top of setting pot 4 of catchmenting is provided with the setting pot pond grate 10 that catchments；The soil filtration pond 8 is from bottom to top successively
Including base impervious layer 11, collection water layer 12, pervious bed 13, the first filter material layer 14, the second filter material layer 15, water distribution layer 16, capillary
Soakage layer 17, anti-blocking layer 18, ventilation soil layer 19 and layer of plants 20；The collection water layer 12 is provided with collector pipe 21, described to catchment
Pipe 21 is connected with second outlet pipe 6, and the water distribution layer 16 is provided with water distributor 22.
Catchment setting pot outlet pipe namely the first outlet pipe 3 are provided with the end for the setting pot 4 that catchments, collection grit removal 4
Outlet pipe is also the water inlet pipe of hydrolysis acidification pool 5 at the same time.Catchment setting pot pond hold be 15~20m3, the spacing between Chi Yuchi
For 50~60m.The setting pot that catchments is arranged on certain low-lying place of block farmland following current.The setting pot 4 that catchments is used to intercepting silt particle and big
Suspended matter.Hydrolysis acidification pool 5 is by the not degradable waste water containing pesticide composition of toxic pollutant stable structure in agricultural drain
Acidification is hydrolyzed, using hydrolyzing the characteristics of acid-producing bacteria activity is strong, adaptable by not degradable pesticide macromolecular
Structure is through hydrolyzing, being acidified as soluble small molecule, to improve the B/C of biodegradability ratios, is improved pair for next stage biological treatment
The removal of pollutant is laid a solid foundation.Anaerobic precipitation pond 7 handles most of organic matter in agricultural drain by anaerobe, kills
The parasite and germ gone out in waste water, while further sedimentation insoluble substance and silt particle.Agricultural wastewater through the setting pot 5 that catchments,
Hydrolysis acidification pool 5 and anaerobic precipitation pond 7 enter enhanced type hollow billet infiltration soil filtration pond 8 after handling, by capillary percolation, microorganism
Oxidation, medium absorption is fixed and biology extraction organically combines, using the dosing sewage by the way of subsurface stratum water distribution, by waste water dosing
Into the medium with good diffusion, the pollutant in sewage separated, degraded in the material circulation of the ecosystem,
Absorption, fix, and COD, ammonia nitrogen, total nitrogen and total phosphorus are removed, make to purify the sewage.
Embodiment two
Referring to Fig. 1~3, a kind of collection of the agricultural non-point source pollution agricultural drain provided for the utility model embodiment with again
Processing system, including water collector unit 1 and water treatment unit 2, the water collector unit 1 include mutual by the first outlet pipe 3
Catchment setting pot 4 and the hydrolysis acidification pool 5 of connection；The water treatment unit 2 includes detesting by what the second outlet pipe 6 was connected with each other
Oxygen precipitation pond 7 and soil filtration pond 8；The anaerobic precipitation pond 7 is connected by flow-out hole 9 with the hydrolysis acidification pool 5；
The top of setting pot 4 of catchmenting is provided with the setting pot pond grate 10 that catchments；The soil filtration pond 8 is from bottom to top successively
Including base impervious layer 11, collection water layer 12, pervious bed 13, the first filter material layer 14, the second filter material layer 15, water distribution layer 16, capillary
Soakage layer 17, anti-blocking layer 18, ventilation soil layer 19 and layer of plants 20；The collection water layer 12 is provided with collector pipe 21, described to catchment
Pipe 21 is connected with second outlet pipe 6, and the water distribution layer 16 is provided with water distributor 22.
Alternatively, 4 bottom of setting pot of catchmenting is in cone bucket shape, and the angle on the conical surface and floor is 60 °；The collection grit removal
4 quantity of pond includes 3, and each 4 spacing of setting pot of catchmenting includes 50~60 meters.
Alternatively, it is provided with soft cellulose filler layer 23 in the hydrolysis acidification pool 5.
Alternatively, elastic solid filler layer 24 is provided with the anaerobic precipitation pond 7,7 bottom of anaerobic precipitation pond is set
It is equipped with 4 135 ° of slope.
Alternatively, the vertical section in the soil filtration pond 8 is trapezoidal；The base impervious layer 11 includes the poly- of 250g/ ㎡
Propylene geomembrane；The collection water layer 12 includes the gravel that particle diameter is 16~32mm, and 12 thickness of water layer that integrates is 200mm；It is described
Pervious bed 13 includes the gravel that particle diameter is 8~16mm, and 13 thickness of pervious bed is 150mm；First filter material layer 14 includes
Particle diameter be 8~16mm lytag, the 14 thickness 200mm of the first filter material layer；Second filter material layer 15 includes particle diameter
For the shale of 4~8mm, 15 thickness of the second filter material layer is 100mm；The water distribution layer 16 includes the goose that particle diameter is 16~32mm
Cobble, 16 thickness of water distribution layer are 200mm；The capillary soakage layer 17 includes the breeze that particle diameter is 8~16mm, described
17 thickness of capillary soakage layer is 250mm；The anti-blocking layer 18 includes polyurethane strainer；Each component in the ventilation soil layer 19
Parts by weight include：20 parts of flyash, copper, iron, zinc and each 2 parts of molybdenum, 70 parts of clay；The layer of plants 20 includes cattail, stone Chang
Pu, Scirpus tabernaemontani and canna.
Alternatively, the collector pipe 21 includes catchment supervisor and collection branch pipe；The diameter 65mm of the supervisor that catchments, it is described
A diameter of 32mm of collection branch pipe, the spacing of the collection branch pipe are 300mm, along center line both ends in the every collection branch pipe
30 ° of angles are interlaced to be provided with a diameter of 8mm holes, and the pitch of holes is 100mm；Supervisor and the collection branch pipe of catchmenting
Material is UPVC.Catchment supervisor and collection branch pipe is spliced and after around non-woven fabrics, then be installed among collection water layer.
Alternatively, the water distributor 22 includes water distribution supervisor and water distribution branch pipe, a diameter of 65mm of the water distribution supervisor, institute
State a diameter of 32mm of water distribution branch pipe, the spacing of the water distribution branch pipe is 300mm, along center line two on the every water distribution branch pipe
30 ° of angles are interlaced is provided with a diameter of 10mm holes at end, and the pitch of holes is 100mm；The material of the water distributor is UPVC.Cloth
After water supervisor and water distribution branch pipe splice and wind non-woven fabrics, then it is installed among water distribution layer.
The front end for the setting pot 4 that catchments is provided with 4 water inlet pipe of setting pot that catchments, end is provided with the setting pot outlet pipe that catchments
Namely first outlet pipe 3, the outlet pipe for collecting grit removal 4 are also the water inlet pipe of hydrolysis acidification pool 5 at the same time, the top for the setting pot 4 that catchments
Portion is provided with the setting pot pond grate 10 that catchments.10 grid reinforcement fabrication of pond grate, a diameter of 8mm, spacing 10mm.Catchment setting pot
Pond hold be 15~20m3, the spacing between Chi Yuchi is 50~60m.It is low-lying that the setting pot that catchments is arranged on certain block farmland following current
Place.The setting pot 4 that catchments is used to intercept silt particle and big suspended matter.
5 end pool wall top of hydrolysis acidification pool is provided with 5 flow-out hole 9 of hydrolysis acidification pool, and soft cellulose filler is hung with pond
Layer 23, its fibre bundle length is 120mm, and fibre bundle spacing is 150mm, and theoretical specific surface area is 1235 ㎡/m3.Hydrolysis acidification pool
Acidification is hydrolyzed in the not degradable waste water containing pesticide composition of toxic pollutant stable structure in agricultural drain by 5,
It is through hydrolyzing, being acidified by not degradable pesticide macromolecular structure using the characteristics of acid-producing bacteria activity is strong, adaptable is hydrolyzed
Soluble small molecule, to improve the B/C of biodegradability ratios, base is accomplished fluently in the removal improved for next stage biological treatment to pollutant
Plinth.
The port of export in 7 anaerobic precipitation pond of anaerobic precipitation pond is provided with anaerobic precipitation pond outlet pipe namely the second outlet pipe 6, detests
Oxygen precipitation pond outlet pipe and the collector pipe 21 in enhanced type hollow billet infiltration soil filtration pond 8 connect.Bullet is hung with anaerobic precipitation pond 7
Property 3-D filler layer 24, the element diameter of elastic solid filler layer 24 is 173mm, spinline diameter 0.35mm, and strand density is
Midst density, specific surface area are 300 ㎡/m3.The major part that anaerobic precipitation pond 7 is handled by anaerobe in agricultural drain is organic
Thing, kills parasite and germ in waste water, while further sedimentation insoluble substance and silt particle.
The vertical section in soil filtration pond 8 is trapezoidal, surface (ventilation soil layer surface) and bottom (base impervious layer 11)
Ratio is 2:1.Agricultural wastewater enters enhanced type hollow billet after the setting pot 5 that catchments, hydrolysis acidification pool 5 and anaerobic precipitation pond 7 are handled
Soil filtration pond 8 is infiltrated, by capillary percolation, microbiological oxidation, medium absorption is fixed and biology extraction organically combines, using in Asia
The mode dosing sewage of top layer water distribution, by waste water dosing into the medium with good diffusion, makes the pollutant in sewage exist
Separated in the material circulation of the ecosystem, degrade, adsorb, is fixed, COD, ammonia nitrogen, total nitrogen and total phosphorus are removed, made
Purify the sewage.
Embodiment three
Referring to Fig. 1~3, a kind of collection of the agricultural non-point source pollution agricultural drain provided for the utility model embodiment with again
Processing system, including water collector unit 1 and water treatment unit 2, the water collector unit 1 include mutual by the first outlet pipe 3
Catchment setting pot 4 and the hydrolysis acidification pool 5 of connection；The water treatment unit 2 includes detesting by what the second outlet pipe 6 was connected with each other
Oxygen precipitation pond 7 and soil filtration pond 8；The anaerobic precipitation pond 7 is connected by flow-out hole 9 with the hydrolysis acidification pool 5；
The top of setting pot 4 of catchmenting is provided with the setting pot pond grate 10 that catchments；The soil filtration pond 8 is from bottom to top successively
Including base impervious layer 11, collection water layer 12, pervious bed 13, the first filter material layer 14, the second filter material layer 15, water distribution layer 16, capillary
Soakage layer 17, anti-blocking layer 18, ventilation soil layer 19 and layer of plants 20；The collection water layer 12 is provided with collector pipe 21, described to catchment
Pipe 21 is connected with second outlet pipe 6, and the water distribution layer 16 is provided with water distributor 22.
Alternatively, 4 bottom of setting pot of catchmenting is in cone bucket shape, and the angle on the conical surface and floor is 60 °；The collection grit removal
4 quantity of pond includes 3, and each 4 spacing of setting pot of catchmenting includes 50~60 meters.
Alternatively, it is provided with soft cellulose filler layer 23 in the hydrolysis acidification pool 5.
Alternatively, elastic solid filler layer 24 is provided with the anaerobic precipitation pond 7,7 bottom of anaerobic precipitation pond is set
It is equipped with 4 135 ° of slope.
Alternatively, the vertical section in the soil filtration pond 8 is trapezoidal；The base impervious layer 11 includes the poly- of 250g/ ㎡
Propylene geomembrane；The collection water layer 12 includes the gravel that particle diameter is 16~32mm, and 12 thickness of water layer that integrates is 200mm；It is described
Pervious bed 13 includes the gravel that particle diameter is 8~16mm, and 13 thickness of pervious bed is 150mm；First filter material layer 14 includes
Particle diameter be 8~16mm lytag, the 14 thickness 200mm of the first filter material layer；Second filter material layer 15 includes particle diameter
For the shale of 4~8mm, 15 thickness of the second filter material layer is 100mm；The water distribution layer 16 includes the goose that particle diameter is 16~32mm
Cobble, 16 thickness of water distribution layer are 200mm；The capillary soakage layer 17 includes the breeze that particle diameter is 8~16mm, described
17 thickness of capillary soakage layer is 250mm；The anti-blocking layer 18 includes polyurethane strainer；Each component in the ventilation soil layer 19
Parts by weight include：20 parts of flyash, copper, iron, zinc and each 2 parts of molybdenum, 70 parts of clay；The layer of plants 20 includes cattail, stone Chang
Pu, Scirpus tabernaemontani and canna.
Alternatively, the collector pipe 21 includes catchment supervisor and collection branch pipe；The diameter 65mm of the supervisor that catchments, it is described
A diameter of 32mm of collection branch pipe, the spacing of the collection branch pipe are 300mm, along center line both ends in the every collection branch pipe
30 ° of angles are interlaced to be provided with a diameter of 8mm holes, and the pitch of holes is 100mm；Supervisor and the collection branch pipe of catchmenting
Material is UPVC.Catchment supervisor and collection branch pipe is spliced and after around non-woven fabrics, then be installed among collection water layer.
Alternatively, the water distributor 22 includes water distribution supervisor and water distribution branch pipe, a diameter of 65mm of the water distribution supervisor, institute
State a diameter of 32mm of water distribution branch pipe, the spacing of the water distribution branch pipe is 300mm, along center line two on the every water distribution branch pipe
30 ° of angles are interlaced is provided with a diameter of 10mm holes at end, and the pitch of holes is 100mm；The material of the water distributor is UPVC.Cloth
After water supervisor and water distribution branch pipe splice and wind non-woven fabrics, then it is installed among water distribution layer.
Alternatively, recycle-water reservoir 25 is further included, the recycle-water reservoir 25 is connected with the soil filtration pond 8.
Alternatively, the recycle-water reservoir 25 is provided with reuse water pump 26, and the outlet of reuse water pump 26 is provided with reuse
Water pump water-supply-pipe 27.
Alternatively, the setting pot 4 that catchments is connected with water inlet pipe 28.
The front end for the setting pot 4 that catchments is provided with 4 water inlet pipe of setting pot that catchments, end is provided with the setting pot outlet pipe that catchments
Namely first outlet pipe 3, the outlet pipe for collecting grit removal 4 are also the water inlet pipe of hydrolysis acidification pool 5 at the same time, the top for the setting pot 4 that catchments
Portion is provided with the setting pot pond grate 10 that catchments.10 grid reinforcement fabrication of pond grate, a diameter of 8mm, spacing 10mm.Catchment setting pot
Pond hold be 15~20m3, the spacing between Chi Yuchi is 50~60m.It is low-lying that the setting pot that catchments is arranged on certain block farmland following current
Place.The setting pot 4 that catchments is used to intercept silt particle and big suspended matter.
5 end pool wall top of hydrolysis acidification pool is provided with 5 flow-out hole 9 of hydrolysis acidification pool, and soft cellulose filler is hung with pond
Layer 23, its fibre bundle length is 120mm, and fibre bundle spacing is 150mm, and theoretical specific surface area is 1235 ㎡/m3.Hydrolysis acidification pool
Acidification is hydrolyzed in the not degradable waste water containing pesticide composition of toxic pollutant stable structure in agricultural drain by 5,
It is through hydrolyzing, being acidified by not degradable pesticide macromolecular structure using the characteristics of acid-producing bacteria activity is strong, adaptable is hydrolyzed
Soluble small molecule, to improve the B/C of biodegradability ratios, base is accomplished fluently in the removal improved for next stage biological treatment to pollutant
Plinth.
The port of export in 7 anaerobic precipitation pond of anaerobic precipitation pond is provided with anaerobic precipitation pond outlet pipe namely the second outlet pipe 6, detests
Oxygen precipitation pond outlet pipe and the collector pipe 21 in enhanced type hollow billet infiltration soil filtration pond 8 connect.Bullet is hung with anaerobic precipitation pond 7
Property 3-D filler layer 24, the element diameter of elastic solid filler layer 24 is 173mm, spinline diameter 0.35mm, and strand density is
Midst density, specific surface area are 300 ㎡/m3.The major part that anaerobic precipitation pond 7 is handled by anaerobe in agricultural drain is organic
Thing, kills parasite and germ in waste water, while further sedimentation insoluble substance and silt particle.
The vertical section in soil filtration pond 8 is trapezoidal, surface (ventilation soil layer surface) and bottom (base impervious layer 11)
Ratio is 2:1.Agricultural wastewater enters enhanced type hollow billet after the setting pot 5 that catchments, hydrolysis acidification pool 5 and anaerobic precipitation pond 7 are handled
Soil filtration pond 8 is infiltrated, by capillary percolation, microbiological oxidation, medium absorption is fixed and biology extraction organically combines, using in Asia
The mode dosing sewage of top layer water distribution, by waste water dosing into the medium with good diffusion, makes the pollutant in sewage exist
Separated in the material circulation of the ecosystem, degrade, adsorb, is fixed, COD, ammonia nitrogen, total nitrogen and total phosphorus are removed, made
Purify the sewage.
The afterbody of the recycle-water reservoir 25 is provided with reuse water pump 26, and the outlet of reuse water pump 26 is provided with reuse water pump
Water-supply-pipe 27, reaches through processing《Agricultural irrigation water quality standard》After the water standard of GB5084-2005, by reuse water pump 26 from return
Extract in millpond, be transmitted back to through reuse water pump 26 and reuse water pipe water-supply-pipe 27 for field irrigation.
The application is connected by the setting pot that will catchment, hydrolysis acidification pool, anaerobic precipitation pond with soil filtration pond, while
Base impervious layer, collection water layer, pervious bed, the first filter material layer, the second filter material layer, cloth are from bottom to top set gradually in soil filtration pond
Water layer, capillary soakage layer, anti-blocking layer, ventilation soil layer and layer of plants so that the setting pot that catchments intercepts runoff and sediment and suspension
Thing, the higher agricultural drain of soil filtration pond concentration for the treatment of, the agricultural drain after processing can be back to field irrigation, realize
Water recycles.
The above is only the embodiment of the utility model embodiment, make skilled artisans appreciate that or
Realize the utility model.A variety of modifications to these embodiments will be apparent to one skilled in the art, this
General Principle defined in text can without departing from the spirit or scope of the present utility model, in other embodiments
Realize.Therefore, the utility model is not intended to be limited to the embodiments shown herein, and be to fit to it is disclosed herein
Principle and the consistent most wide scope of features of novelty.
It should be appreciated that the content that the application is not limited to be described above and is shown in the drawings, and can
To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by appended claim.
Claims (10)
1. collection and the secondary treatment system of a kind of agricultural non-point source pollution agricultural drain, it is characterised in that including water collector unit (1)
With water treatment unit (2), the water collector unit (1) includes the setting pot that catchments (4) being connected with each other by the first outlet pipe (3)
With hydrolysis acidification pool (5)；The water treatment unit (2) includes the anaerobic precipitation pond (7) being connected with each other by the second outlet pipe (6)
With soil filtration pond (8)；The anaerobic precipitation pond (7) is connected by flow-out hole (9) with the hydrolysis acidification pool (5)；
The setting pot pond grate (10) that catchments is provided with the top of the setting pot that catchments (4)；The soil filtration pond (8) from bottom to top according to
It is secondary including base impervious layer (11), collection water layer (12), pervious bed (13), the first filter material layer (14), the second filter material layer (15), water distribution
Layer (16), capillary soakage layer (17), anti-blocking layer (18), ventilation soil layer (19) and layer of plants (20)；The collection water layer (12)
Collector pipe (21) is provided with, the collector pipe (21) is connected with second outlet pipe (6), and the water distribution layer (16) is provided with cloth
Water pipe (22).
2. the system as claimed in claim 1, it is characterised in that the setting pot that catchments (4) bottom is in cone bucket shape, the conical surface and ground
The angle of plate is 60 °；The setting pot that catchments (4) quantity includes 3, and each described setting pot (4) spacing of catchmenting includes 50~
60 meters.
3. the system as claimed in claim 1, it is characterised in that be provided with soft cellulose filler in the hydrolysis acidification pool (5)
Layer (23).
4. the system as claimed in claim 1, it is characterised in that be provided with elastic solid filler in the anaerobic precipitation pond (7)
Layer (24), anaerobic precipitation pond (7) bottom is provided with 4 135 ° of slope.
5. system as claimed in claim 4, it is characterised in that the vertical section of the soil filtration pond (8) is trapezoidal；The bottom
Portion's impervious barrier (11) includes the polypropylene geotextile film of 250g/ ㎡；The collection water layer (12) includes the gravel that particle diameter is 16~32mm,
Water layer (12) thickness that integrates is 200mm；The pervious bed (13) includes the gravel that particle diameter is 8~16mm, the pervious bed
(13) thickness is 150mm；First filter material layer (14) includes the lytag that particle diameter is 8~16mm, first filtrate
Layer (14) thickness 200mm；Second filter material layer (15) includes the shale that particle diameter is 4~8mm, and second filter material layer (15) is thick
Spend for 100mm；The water distribution layer (16) includes the cobblestone that particle diameter is 16~32mm, and water distribution layer (16) thickness is 200mm；
The capillary soakage layer (17) includes the breeze that particle diameter is 8-16mm, and capillary soakage layer (17) thickness is 250mm；
The anti-blocking layer (18) includes polyurethane strainer；The parts by weight of each component include in the ventilation soil layer (19)：Flyash 20
Part, copper, iron, zinc and each 2 parts of molybdenum, 70 parts of clay；The layer of plants (20) includes cattail, grass-leaved sweetflag, Scirpus tabernaemontani and canna.
6. system as claimed in claim 5, it is characterised in that the collector pipe (21) includes catchment supervisor and collection branch pipe；
The diameter 65mm of the supervisor that catchments, a diameter of 32mm of the collection branch pipe, the spacing of the collection branch pipe is 300mm, often
A diameter of 8mm holes are provided with along 30 ° of center line both ends angle is interlaced in collection branch pipe described in root, the pitch of holes is 100mm；
It is described to catchment supervisor and the material of the collection branch pipe is UPVC.
7. system as claimed in claim 6, it is characterised in that the water distributor (22) includes water distribution supervisor and water distribution branch pipe,
A diameter of 65mm of the water distribution supervisor, a diameter of 32mm of the water distribution branch pipe, the spacing of the water distribution branch pipe is 300mm,
A diameter of 10mm holes are provided with along 30 ° of center line both ends angle is interlaced on the every water distribution branch pipe, the pitch of holes is
100mm；The material of the water distributor is UPVC.
8. such as system according to any one of claims 1 to 7, it is characterised in that further include recycle-water reservoir (25), described time
It is connected with water reservoir (25) with the soil filtration pond (8).
9. system as claimed in claim 8, it is characterised in that the recycle-water reservoir (25) is provided with reuse water pump (26),
Reuse water pump (26) outlet is provided with reuse water pump water-supply-pipe (27).
10. system as claimed in claim 9, it is characterised in that the setting pot that catchments (4) is connected with water inlet pipe (28).
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| CN201720974148.4U CN207313360U (en) | 2017-08-07 | 2017-08-07 | A kind of collection of agricultural non-point source pollution agricultural drain and secondary treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109315103A (en) * | 2018-10-31 | 2019-02-12 | 曲靖促创科技有限公司 | A kind of preventing control method of farmland nitrogen phosphorus pollution of area source |
| CN109319933A (en) * | 2018-09-19 | 2019-02-12 | 河海大学 | A kind of farmland water pollution control and reclaiming system and its operating method |
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2017
- 2017-08-07 CN CN201720974148.4U patent/CN207313360U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319933A (en) * | 2018-09-19 | 2019-02-12 | 河海大学 | A kind of farmland water pollution control and reclaiming system and its operating method |
| CN109315103A (en) * | 2018-10-31 | 2019-02-12 | 曲靖促创科技有限公司 | A kind of preventing control method of farmland nitrogen phosphorus pollution of area source |
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