CN205635080U - A compound ecological bed that floats for agriculture non -point source pollution administers - Google Patents
A compound ecological bed that floats for agriculture non -point source pollution administers Download PDFInfo
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- CN205635080U CN205635080U CN201620450957.0U CN201620450957U CN205635080U CN 205635080 U CN205635080 U CN 205635080U CN 201620450957 U CN201620450957 U CN 201620450957U CN 205635080 U CN205635080 U CN 205635080U
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 21
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- 229910052698 phosphorus Inorganic materials 0.000 abstract description 12
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- 239000003344 environmental pollutant Substances 0.000 abstract description 10
- 231100000719 pollutant Toxicity 0.000 abstract description 10
- 238000003973 irrigation Methods 0.000 abstract description 7
- 230000002262 irrigation Effects 0.000 abstract description 7
- 241001672694 Citrus reticulata Species 0.000 abstract description 5
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 abstract description 5
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- Cultivation Of Plants (AREA)
Abstract
The utility model provides a compound ecological bed that floats for agriculture non -point source pollution administers, through physiological property and the relevant results who is used in the real fern guiding principle azolla imbricata branch of academic or vocational study floating plant azolla imbricata that china's distribution is extensive, along the river, the ditch is bred through compound ecological superficial bed and is made up the azolla imbricata vegetational zone, carry out the plant to the river the microorganism combination treatment, the existing effect of mode lightens and controls gan yuan's nitrogen like this, phosphorus pollution, reduce and eliminate the risk that mandarin orange garden mould earth received the pollution river -water irrigation for a long time, and simultaneously, through the nitrogen that utilizes the azolla imbricata plant, phosphorus and organic matter, play the nitrogen phosphorus in the retrieval and utilization pollutant, reach nutrient in the cyclic utilization pollutant, soil improving structure and the mesh that promotes the land fertility.
Description
Technical field
This utility model relates to ecological engineering and water-treatment technology field, is specifically related to one and controls for widespread pollution from the overuse of fertilizers and pesticides in rural area
The complex ecological floating bed of reason.
Background technology
As a large agricultural country, China is faced with the widespread pollution from the overuse of fertilizers and pesticides in rural area problem of sternness.Have more than 15,000,000 t every year
Nitrogen run off from farmland and polluted underground water, cause the eutrophication of the aquatic ecosystems such as lake, pond, river.According to
Once whole nation Pollutant source investigation publication (2010), in agricultural non-point source, total nitrogen, total phosphorus discharge 57.2% and accounting for total emission volumn respectively
67.4%, as a example by Taihu Lake, Dian Chi and Chaohu, pollution of area source is respectively 59%, 33%, 63% to the contribution rate entering lake total nitrogen, to entering
The contribution rate of lake total phosphorus respectively reaches 30%, 41% and 73%, and enters in the nitrogen of Yangtze and Yellow rivers water body every year, has 92% respectively
Coming from agricultural with 88%, widespread pollution from the overuse of fertilizers and pesticides in rural area is the main cause causing body eutrophication.Compared to point-source pollution, source, face
Pollution has the features such as pollution is wide, control difficulty of governance is big, and it not only can endanger soil, make soil degradation；Polluted drinking water
Source, is detrimental to health；Also by multiple biologies such as food chain harm people, animal.
Widespread pollution from the overuse of fertilizers and pesticides in rural area prevention and control measure mainly has two big classes, and a class is Agro-ecological System control measures, another kind of is
Ecological engineering measure.Wherein Soil management measure mainly includes rational close planting, reduces open ground, conservation of soil and water intensity, protects
The farming of protecting property, the poly-rib of horizontal wall inscription are ploughed, the combination of forest and grain plant, improvement of soil fertility, Rational Irrigation, control to fertilize, adjust fertilizer structure, use nitre
Change inhibitor etc..Ecological engineering measure mainly includes artificial wet land system, ecological canal, delaying basin, shelter-forest, Vegetative Filter Strips
With buffer strip and multi-pond system etc..Any of the above measure has different pluses and minuses, and pollutant removal is the most different.Its
In, ecological engineering measure has low cost, the feature such as effective, is therefore used widely, to pollution control and environmental conservation
And tactics research is significant.
Phase early 1960s, U.S.'s ecologist's Odum proposes " ecological engineering " concept first, and is defined as:
" mankind go to control those still environmental systems with natural resources as major impetus with a small amount of additional-energy ".Ecological engineering technology
Main principle is the application structure of ecosystem and orthofunction, to substance decomposition, converts, is enriched with and regeneration etc., reaches money
Source is multi-level and recycles effect.At present, ecological engineering technology is usually used in river basin ecological reparation, fortification substance circulation, is one
Plant practical and effective non-point source pollution control method.China is currently used for the main ecological engineering measure that widespread pollution from the overuse of fertilizers and pesticides in rural area controls
As follows:
The wetland sewage disposal technology that artificial swamp 20 century 70 grows up is a kind of low cost, low energy consumption control
The Practical and efficient method of pollution of area source processed.Wet land system is divided into natural bioremediation and artificial swamp 2 kinds.Wetland mainly by soil-
A series of effects such as the vegetation-absorption of biology complex ecosystem, absorption, biodegradation, reduce and enter the nitrogen of water body, phosphorus.Wet
Ground is 25%～98% to the absorbance of phosphorus, and the absorbance of nitrogen be can reach 79%, relatively strong to the absorbability of nitrate nitrogen, the highest can
Reach 96%.Artificial swamp is broadly divided into free water surface wetland and current wetland two class by engineering design and current type, and wherein undercurrent is wet
Ground is further divided into horizontal subsurface flow wetland and vertical subsurface flow wetland.Various wetlands have different pluses and minuses, therefore, according to not
Same application purpose, often combines multiple artificial wet land system.
Vegetative Filter Strips and buffer strip Vegetative Filter Strips are also referred to as vegetation buffer strip, according to the vegetation pattern of buffer strip, main
Effect and distributing position are different, can be divided into buffering wetland, buffering forest belt, buffering lawn belt 3 type, and wherein forest belt includes water body
Buffering forest belt, bank and Radix Saposhnikoviae or buffering forest belt of screening.The research such as Li Huaien shows, 10～15 Vegetative Filter Strips wide for m are over the ground
In table runoff, particulate form nitrogen, the clearance of particle cluster flow respectively reach 82%, 77%.Vegetative Filter Strips and various buffer strip are to agriculture
Play an important role on industry Ides On Prevention And Control of Regional Pollution.
Multi-pond system multi-pond system is the artificial pool wetlands ecosystems that a class is special, be with pool as point, ditch
Canal is line, the multiple single pool near village and between farmland be linked to be by irrigation canals and ditches dam and the most gradually develop the basin formed
System.Multi-pond system floor space is big, and function is more single, dams and detersive efficiency is also affected by the space-time entering water and rainfall,
And the kind of plant in system be there are certain requirements.In actual applications, various measure such as wet land system, ecological ditch are often combined
Canal system systems etc., can reach more preferable clean effect.
Sewerage irrigation canals and ditches, as a kind of important ecosystem, are paid attention to by vast researcher, and it is prevented at pollution of area source
There is in controlling important function.Yang Linzhang etc. are pollution of area source in Taihu Lake basin research ecological intercepting type sewerage is to agricultural drain
The removal effect of thing, research finds that ecological canal system is 48.36% and 40.53% to the average removal rate of nitrogen phosphorus.Research shows,
Lay suitable water plant in irrigation canals and ditches to play and slow down paddy field drainage flow velocity, denitrogenation dephosphorizing, raising Dissolved Oxygen in Water, stablize water
The effect of body pH value, different vegetation combinations, clean effect has significantly different.
Above different control measure are different to different types of contaminant removal efficiency, as vegetation is filtered with buffer strip mud
Husky interception function is relatively strong, and irrigation canals and ditches and pool are combined into artificial pool canal system system more, through the first frequently as controlling area-source pollution
The outpost of the tax office, for the sewage that concentration of nitrogen and phosphorus is higher, artificial pool canal can greatly reduce nitrogen phosphorus total amount in water, the effect of anti-high-pollution load
Preferably.And nature or artificial swamp, through intercepting barrier frequently as last road, main by the plant in wetland, microorganism and
Water pollutant is done further purification by soil matrix.Therefore, the coupled system of many kinds of measures will be later Developing Tendency
Gesture, and combine the actual pollution condition corresponding combination of formulation, as changed measure kind and the order of coupling, will reach and efficiently go
Dirty effect.Therefore, in actual applications, in conjunction with the practical situation of pollution of area source, the mode of different measure combination is used, it will be
A kind of effective control device.Though China's pollution of area source research achieves prominent achievement, but still suffers from many weak points, for
The various problems that there is currently, the development trend of later pollution of area source research will be mainly reflected in following four aspects: " 3S " etc. are new
The application of technology, pays close attention to measure comprehensive benefit, the improvement of model and introduction, overall process, many measures comprehensive control.
Owing to pollution of area source harm is extensive, difficulty of prevention and cure is big, the most efficiently control measure can be in agricultural
Popularization and application in the prevention practice of pollution of area source.In recent years, though existing more relevant aquatic plant purification polluted river water, biology drop
Solve Pesticide-Polluted Soil and the research of appliable plant green manure lifting soil fertility, but, by widespread pollution from the overuse of fertilizers and pesticides in rural area Ecological Control
Utilize with pollutant resources and combine, reach not only Control the Plan Pollution Sources but also rationally reuse pollutant Middle nutrition element correlational study also
It is rarely reported, and this work has significant economy, environmental benefit.
Summary of the invention
In order to overcome the defect of prior art, this utility model provides a kind of being combined for Control of Agricultural Non-point Source Pollution
Biological floating bed.
The technical solution that this utility model uses is: a kind of complex ecological for Control of Agricultural Non-point Source Pollution floats
Bed, including main body frame, described main body frame is cuboid, four sides of the main body frame of described cuboid with
It is equipped with isolation string bag layer on bottom surface, between described main body frame and isolation string bag layer, forms floating bed body, described floating bed
Basis is the most internal is provided with aquatic decontamination substrate, and described aquatic decontamination substrate is floating plant Herba azollae imbricatae, the end of described main body frame
The isolation string bag layer in portion is provided with elastic filler, and described elastic filler is detachably connected on the separation net of the bottom of main body frame
On pocket layer.
One side of described main body frame is provided with fixed hook, described biological floating bed is fixed on river by fixed hook
On the bank.
Described main body frame length 6 meters, wide 2 meters.
Described isolation string bag layer is nylon wire or non-woven fabric net is made.
The screen distance of described isolation string bag layer is 5 mm × 5 mm.
Described elastic filler is strip, and the elastic filler of described strip is provided with some fixtures, described
Elastic filler is arranged on by fixture on the isolation string bag layer of the bottom of main body frame.
Described elastic filler uses expanded material to make.
A length of 1 meter of the elastic filler of described strip.
Described elastic filler surface distributed has some circular holes.
Described main body frame uses brand-new high-density polyethylene material or pvc pipe material to make.
The beneficial effects of the utility model are: this utility model provides a kind of being combined for Control of Agricultural Non-point Source Pollution
Biological floating bed, widely distributed by being used in China Filicineae Herba azollae imbricatae sectionFloating plantThe physiological property of Herba azollae imbricatae and relevant
Result of study, ditch builds Herba azollae imbricatae vegetational zone by the cultivation of complex ecological floating bed along the river, and river is carried out plant-microorganism associating
Processing, the existing effect of this sample loading mode alleviates and controls the nitrogen and phosphorus pollution of Gan Yuan, reduces and eliminates the long-term polluted river water of Citrus chachiensis Hort. Orchard Soil
The risk irrigated, meanwhile, by utilizing the nitrogen of Herba azollae imbricatae plant, phosphorus and organic matter, plays the nitrogen phosphorus in reuse pollutant, reaches
To recycling pollutant Middle nutrition element, improvement Soil structure and the purpose promoting soil fertility.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model right view.
Fig. 3 is this utility model elastic filler structural representation.
Fig. 4 is this utility model elastic filler right view.
1-main body frame in figure, 2-isolates string bag layer, 3-floating bed body, 4-elastic filler, and 11-fixed hook, 41-fixes
Part.
Detailed description of the invention
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, this utility model is further described, a kind of for widespread pollution from the overuse of fertilizers and pesticides in rural area
The complex ecological floating bed administered, including main body frame 1, described main body frame 1 is cuboid, described main body frame 1 long 6
Rice, wide 2 meters.Described main body frame 1 uses high-density polyethylene material or pvc pipe material to make.Described cuboid
Being equipped with isolation string bag layer 2 on four sides of main body frame 1 and bottom surface, described isolation string bag layer 2 is nylon wire or nothing
Spinning arranges net makes.The screen distance of described isolation string bag layer 2 is 5 mm × 5 mm.Described main body frame 1 and isolation string bag layer 2
Between formed floating bed body 3, be provided with aquatic decontamination substrate in described floating bed body 3, described aquatic decontamination substrate is for swimming
Plant Herba azollae imbricatae, the isolation string bag layer 2 of the bottom of described main body frame 1 is provided with elastic filler 4, described elastic filler 4
On the isolation string bag layer 2 of the bottom being detachably connected on main body frame 1.Described elastic filler 4 uses expanded material to make.Institute
The elastic filler 4 stated is strip, a length of 1 meter of the elastic filler 4 of described strip.Described elastic filler 4 surface is divided
It is furnished with some circular holes.The elastic filler 4 of described strip is provided with some fixtures 41, and described elastic filler 4 is by solid
Locking member 41 is arranged on the isolation string bag layer 2 of the bottom of main body frame 1.
One side of described main body frame 1 is provided with fixed hook 11, and described is biological floating bed solid by fixed hook 11
It is scheduled on riverbank.
Effect monitoring:
In base, Ou Gan garden, Ouhai District, Wenzhou City three, stream is distributed in length and breadth, and quantity is various.Stream width 5-7 rice, the depth of water
1.5-2.5 rice, sluggish flow is close to static.The daily applying pesticides in bowl Citrus chachiensis Hort. plantation family converges stream with the residual fraction of chemical fertilizer, leads
Cause the pollution of estuary in stream serious, and plant family and the most i.e. utilize the sewage irrigation bowl Citrus chachiensis Hort. in stream, it is likely that bowl can be affected
The quality that hesperidium aurantium is real.Therefore, the pollution of area source problem solving three bases, Ou Gan garden has important practical significance.
This utility model utilizes Filicineae Herba azollae imbricatae sectionFloating plantHerba azollae imbricataeAzolla imbricateIt is distributed in China
Physiological property and relevant feature thereof widely: annual herb, the four seasons are in great numbers, tillering ability is strong, plant short and small (be easy to salvage),
Network of roots raw (beneficially rhizosphere microorganism growth and breeding), the accumulation of plant nitrogen phosphorus are substantially, the content of organic matter is higher, purifying water effect is good,
Along the river ditch builds Herba azollae imbricatae vegetational zone by seining cultivation, and polluted river water is carried out plant-microorganism Combined Treatment.
Choosing 200 meters of sections in a stream, littoral laying 18 is biological floating bed, a length of 6 meters of floating bed, a width of 2 meters, floating
The bed surrounding string bag surrounds, and cultivates floating plant Herba azollae imbricatae in net, and mesh is 5 mm × 5 mm, to prevent Herba azollae imbricatae plant from escaping
Ease.Wherein 1 meter of long elastic filler of the underhung of half quantity floating bed, to increase the growth of microorganism.Hang filler floating bed with
No-arbitrary pricing floating bed is spaced apart along riverbank.Pollutant, purifying river water are removed in the synergy utilizing Herba azollae imbricatae plant-microorganism.
Lay floating bed section bank equidistant 6 sampled points are set, separately set in the one end, stream without floating bed 1 sampled point do right
According to.The water correction situation of monitoring river, index includes sulfide, BOD5, COD, total nitrogen TN, NH4-N、NO3-N, total phosphorus TP, molten
Phosphorus DP, pH, dissolved oxygen DO, transparency and water temperature T.Sample frequency is 1 time month, and water analysis method uses standard technique.Monitoring knot
The most as shown in the table.
Illustrating: A, B, C, D, E, F are respectively different sampled point, CK is comparison sampled point
Monitoring result shows, compares with compareing sampled point, stream sewage through complex ecological floating bed process after, sulfide
Clearance is 38%-87%, BOD5The clearance that clearance is 31%-85%, COD be 31%-61%, the clearance of total nitrogen is 42%-
80%, the clearance of ammonia nitrogen is 31%-80%, NO3The clearance of-N is 4%-85%, and the clearance of total phosphorus is going of 54%-80%, DP
Except rate is that 56%-80%, DO raise 0.2-0.9 mg/L, transparency increases 9-34 cm.Wherein, pH is inconspicuous with variations in temperature,
NO3The removal effect of-N is unstable.Meanwhile, by periodically salvaging the Herba azollae imbricatae plant in the floating bed string bag, and return as green manure
Use the soil in Gan Yuan base, it is possible to improvement Soil structure, increase the content of organic matter of soil, promote soil fertility, thus improve bowl
The quality that hesperidium aurantium is real.Therefore, this technology mode can either effectively control the widespread pollution from the overuse of fertilizers and pesticides in rural area in base, Ou Gan garden, can circulate again
Utilize the nitrogen P elements in pollutant, the effect reducing Citrus chachiensis Hort. Orchard Soil applying quantity of chemical fertilizer can be played to a certain extent, be conducive to
The sustainable development of the ecological agriculture.
The complex ecological floating bed that this utility model provides, clean-up effect is notable, draws materials easily, builds simple, manages and protects conveniently,
Have broad application prospects in terms of adjoining the controlling area-source pollution of agricultural base in pool, river, lake.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, without departing from the some improvement under this utility model principle premise and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. for a complex ecological floating bed for Control of Agricultural Non-point Source Pollution, including main body frame (1), it is characterised in that described
Main body frame (1) be cuboid, four sides of the main body frame (1) of described cuboid and bottom surface are equipped with every
Off-network pocket layer (2), forms floating bed body (3) between described main body frame (1) and isolation string bag layer (2), described floating bed is originally
Being provided with aquatic decontamination substrate in body (3), described aquatic decontamination substrate is floating plant Herba azollae imbricatae, described main body frame (1)
Isolation string bag layer (2) of bottom be provided with elastic filler (4), described elastic filler (4) is detachably connected on main body frame
(1) in isolation string bag layer (2) of bottom.
A kind of complex ecological floating bed for Control of Agricultural Non-point Source Pollution the most according to claim 1, it is characterised in that institute
The one side of the main body frame (1) stated is provided with fixed hook (11), described biological floating bed is fixed on by fixed hook (11)
On riverbank.
A kind of complex ecological floating bed for Control of Agricultural Non-point Source Pollution the most according to claim 1, it is characterised in that institute
Long 6 meters of the main body frame (1) stated, wide 2 meters.
A kind of complex ecological floating bed for Control of Agricultural Non-point Source Pollution the most according to claim 1, it is characterised in that institute
Isolation string bag layer (2) stated is nylon wire or non-woven fabric net is made.
A kind of complex ecological floating bed for Control of Agricultural Non-point Source Pollution the most according to claim 4, it is characterised in that institute
The screen distance of isolation string bag layer (2) stated is 5 mm × 5 mm.
A kind of complex ecological floating bed for Control of Agricultural Non-point Source Pollution the most according to claim 1, it is characterised in that institute
The elastic filler (4) stated is strip, and the elastic filler (4) of described strip is provided with some fixtures (41), described
In isolation string bag layer (2) of the bottom that elastic filler (4) is arranged on main body frame (1) by fixture (41).
A kind of complex ecological floating bed for Control of Agricultural Non-point Source Pollution the most according to claim 6, it is characterised in that institute
The elastic filler (4) stated uses expanded material to make.
A kind of complex ecological floating bed for Control of Agricultural Non-point Source Pollution the most according to claim 6, it is characterised in that institute
A length of 1 meter of the elastic filler (4) of the strip stated.
A kind of complex ecological floating bed for Control of Agricultural Non-point Source Pollution the most according to claim 6, it is characterised in that institute
Elastic filler (4) surface distributed stated has some circular holes.
A kind of complex ecological floating bed for Control of Agricultural Non-point Source Pollution the most according to claim 1, it is characterised in that
Described main body frame (1) uses high-density polyethylene material or pvc pipe material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620450957.0U CN205635080U (en) | 2016-05-18 | 2016-05-18 | A compound ecological bed that floats for agriculture non -point source pollution administers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620450957.0U CN205635080U (en) | 2016-05-18 | 2016-05-18 | A compound ecological bed that floats for agriculture non -point source pollution administers |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107047266A (en) * | 2017-01-24 | 2017-08-18 | 河海大学 | A kind of industrial crops band for agriculture irrigated area irrigation canals and ditches pollutant fluxes |
| CN107649504A (en) * | 2017-10-20 | 2018-02-02 | 温州科技职业学院 | A kind of method of resistance gene contamination in repairing and treating soil |
| CN107973416A (en) * | 2017-12-29 | 2018-05-01 | 杭州中艺生态环境工程有限公司 | Fresh water beach ecoscape water cleaning systems |
| CN108677868A (en) * | 2018-04-25 | 2018-10-19 | 中国水利水电科学研究院 | A kind of river levee that can block agriculture face pollution |
-
2016
- 2016-05-18 CN CN201620450957.0U patent/CN205635080U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107047266A (en) * | 2017-01-24 | 2017-08-18 | 河海大学 | A kind of industrial crops band for agriculture irrigated area irrigation canals and ditches pollutant fluxes |
| CN107649504A (en) * | 2017-10-20 | 2018-02-02 | 温州科技职业学院 | A kind of method of resistance gene contamination in repairing and treating soil |
| CN107649504B (en) * | 2017-10-20 | 2018-08-28 | 温州科技职业学院 | A kind of method of resistance gene contamination in repairing and treating soil |
| CN107973416A (en) * | 2017-12-29 | 2018-05-01 | 杭州中艺生态环境工程有限公司 | Fresh water beach ecoscape water cleaning systems |
| CN108677868A (en) * | 2018-04-25 | 2018-10-19 | 中国水利水电科学研究院 | A kind of river levee that can block agriculture face pollution |
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