CN206069493U - A kind of farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk is intercepted and removes combination percolating device - Google Patents
A kind of farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk is intercepted and removes combination percolating device Download PDFInfo
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- CN206069493U CN206069493U CN201620978011.1U CN201620978011U CN206069493U CN 206069493 U CN206069493 U CN 206069493U CN 201620978011 U CN201620978011 U CN 201620978011U CN 206069493 U CN206069493 U CN 206069493U
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- rice husk
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Abstract
The utility model discloses a kind of farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk is intercepted removes combination percolating device, belong to the percolating device technical field that farmland underground is percolated nitrogen phosphorus system.Farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk is intercepted and removes combination percolating device, including internal polrvinyl chloride（PVC）Or polyethylene（PE）The multiple material combination surrounding layer of ripple suction hose and outside, surrounding layer are made up of materials such as permeable geotextiles, macromolecular material fleece, rice husks, are wrapped in around water suction hidden pipe from inside to outside.This utility model is rational in infrastructure, long service life, and silting blocking ability is strong, and drainage effect is good, intercepts with good nitrogen and phosphorus pollutantses and removes effect, to improving China's agricultural water water quality, alleviates Eutrophication Status and is significant.This utility model can also process a large amount of agricultural wastes simultaneously, and material non-toxic is pollution-free, energy-conserving and environment-protective, with low cost.
Description
Technical field
This utility model is related to the percolating device that farmland underground is percolated nitrogen phosphorus system.
Background technology
According to national Pollutant source investigation publication data for the first time, agricultural sources total nitrogen discharge capacity is 270.46 ten thousand t, accounts for discharge total
The 57.2% of amount, and mainly flowed out by agricultural run-off.Agricultural non -point pollution causes substantial amounts of nitrogen and phosphorus thing to enter rivers, lake
Storehouse, causes body eutrophication, serious threatening area water environment and hydro-ecological safety, constrains the sustainable development of economic society
Exhibition.South China river network in plain areas is throughout the year higher due to the flat low-lying, level of ground water of physical features, and waterlogged disaster is administered becomes the ground
The vital task that area's farmland water conservancy works are built.In this area's high standard farmland construction, need farm field irrigation drainage engineering and agriculture
Field controlling area-source pollution technology combines, and accomplishes both to meet agricultural drain drop stain, reduces farmland underground runoff nitrogen and phosphorus loss again, with
The outstanding problem that optimum efficiency is faced with minimum input solution, based on macromolecular material fleece, the farmland underground runoff of rice husk
Nitrogen phosphorus intercepts removal combination percolating device and provides a kind of new means, and effective control agricultural non -point pollution is filled with ecology is accelerated
Area's construction has the meaning of particular importance.
Utility model content
The purpose of this utility model is to provide a kind of based on macromolecular material fleece, the farmland underground runoff nitrogen phosphorus of rice husk
Intercept and remove combination percolating device, rationally, long service life, silting blocking ability are strong, and drainage effect is good, can process for the apparatus structure
A large amount of agricultural wastes, material non-toxic is pollution-free, and energy-conserving and environment-protective are with low cost.Meanwhile, there are good nitrogen and phosphorus pollutantses to block for which
Removal effect is cut, to improving China's agricultural water water quality, is alleviated Eutrophication Status and is significant.
A purpose of the present utility model is to disclose a kind of based on macromolecular material fleece, the farmland underground footpath of rice husk
Stream nitrogen phosphorus is intercepted and removes combination percolating device, including waved plastic pipe, permeable geotextiles, macromolecular material fleece and rice
Shell, the outer from-inner-to-outer of waved plastic pipe set gradually permeable geotextiles, macromolecular fibre net and rice husk.
Preferably, the gross thickness of the permeable geotextiles of innermost layer, intermediate layer macromolecular fibre net and outermost layer rice husk is 14
～18cm；Wherein, the thickness of intermediate layer macromolecular material fleece is 6～8cm, and the thickness of outermost layer rice husk is 8～10cm.
Preferably, the waved plastic pipe is by polrvinyl chloride（PVC）Or polyethylene（PE）Make.
Compared with prior art, this utility model has the advantages that：
First, combination percolating device is embedded in farmland underground, and main material has polrvinyl chloride（PVC）Or polyethylene（PE）Ripple
Stricture of vagina suction hose, permeable geotextiles, macromolecular material fleece, rice husk etc., be wrapped in from inside to outside water suction hidden pipe around, formed with
Farmland nitrogen phosphorus based on macromolecular material fleece, rice husk intercepts combination percolating device.By to the soil liquid in seepage channel
Physics, chemistry, biological triple collaborations process, agricultural drain and nitrogen phosphorus are intercepted and are removed target and is organically combined, realize which is dual
Function.
Second, surrounding layer outermost layer is thickness 8～10cm rice husks, and rice husk prototype gradation, epigranular, infiltration coefficient reach
0.1cm/s～0.01cm/s, is 10 ~ 100 times of soil permeability coefficient, and by force, the draining that can be effectively improved loaded filter is special for water penetration
Property；Rice husk is strong rich in siliceous corrosion resistance, and complete humification is 5 ~ 6 years often, and effective life is 2 times of rice wheat straw；
Southern area abounds with Oryza sativa L. and draws materials conveniently, and convenient transportation, use cost are low；Good tissue can be still kept after rice husk humification
Structure, persistently plays percolation；Rice husk organic material is also beneficial to the interception of nitrate nitrogen and phosphorus.
3rd, surrounding layer middle level is thickness 6～8cm macromolecular material fleeces, and by force, porosity is up to 95% to its water penetration
More than, good endurance, long service life, ultra-long time effectively meet farmland underground Water Drainage Design of Xi ' requirement, and nontoxic without dirt
Dye.The macromolecular material diafiltration net of even porous advantageously forms microbiologic population, effectively removes the nitrogen phosphorus thing in the seepage flow of farmland
Matter.
4th. surrounding layer internal layer selects permeable geotextiles, permeable geotextiles to be wrapped in automatically corrugation plastic suction by machine
The outside of water pipe, rice husk are convenient with fleece laying construction.It is and permeable geotextiles have good drainability, corrosion-resistant, together
When can prevent fine particle from passing through, prevent hole silting affect drainage performance.
Description of the drawings
Fig. 1 is that farmland underground runoff nitrogen phosphorus of this utility model based on macromolecular material fleece, rice husk intercepts removal group
Close the planar structure schematic diagram of percolating device；
Fig. 2 is that farmland underground runoff nitrogen phosphorus of this utility model based on macromolecular material fleece, rice husk intercepts removal group
Close the longitudinal plane structure schematic diagram of percolating device；
Fig. 3 is that farmland underground runoff nitrogen phosphorus of this utility model based on macromolecular material fleece, rice husk intercepts removal group
Close the trench section structural representation of percolating device；
In figure：1 rice husk, 2 waved plastic pipes, 3 macromolecular material fleeces, 4 backfills, 5 percolating devices, 6 impermeable hydraulics
Matter pipe, 7 permeable geotextiles.
Specific embodiment
As Figure 1-3, a kind of farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk intercepts removal group
Close percolating device, including internal polrvinyl chloride（PVC）Or polyethylene（PE）The multiple material combination of waved plastic pipe 2 and outside
Surrounding layer, surrounding layer are wrapped in water suction dark from inside to outside by materials such as permeable geotextiles 7, macromolecular material fleece 3, rice husks 1
Around pipe.
Surrounding layer thickness is 14～18cm.Wherein, it is thickness 6～8cm high scores that innermost layer wraps up permeable geotextiles 7, middle level
Sub- web material, outermost layer are thickness 8～10cm rice husks.
Farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk is intercepted and removes answering for combination percolating device
With：It is alternative existing that farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk intercepts removal combination percolating device
Waved plastic pipe carries out subdrainage, while play a part of to intercept removing farmland nitrogen and phosphorus pollutantses.
A kind of farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk is intercepted and removes combination percolating device
Construction method：
The groove that bottom width is 40～45cm is excavated in field first, cutting depth and spacing are according to local Agricultural Drain Project
Design standard and soil characteristic, determine by water force, hidden pipe is controlled 1/1000～1/2000 than drop, then in groove
The thick rice husk bed courses 1 of bottom laying 10cm, appropriately sized macromolecular material fleece 3 is layed on rice husk bed course.Again
The corrugation plastic suction hose 2 for wrapping up permeable geotextiles is positioned over into the center of fleece, fleece 3 is rolled into parcel manually
In plastic ink absorption outer tube layer, then in outer layer filling 8～10cm rice husks of fleece, finally groove is filled up with backfill 4.Separately
Outward, combinations thereof percolating device need to arrange fluid-tight plastic conduit 6 at 1.5～2.0m of outlet.
The nitrogen phosphorus of diafiltration body intercepts removal effect：Arrange in the filtration system of farmland with macromolecular material fleece, rice husk
Based on interflow subsurface drainage nitrogen phosphorus intercept remove combination percolating device.Farmland plastic ink absorption hidden pipe caliber, the depth of burying and spacing according to
According to local Agricultural Drain Project design standard and soil characteristic, determined by water force.Outermost layer is thickness 8～10cm rice
Shell, middle level are thickness 6～8cm macromolecular material fleeces, and internal layer is permeable geotextiles.Rice husk, fleece and permeable geotextiles
Combination outsourcing material constitutes loaded filter, and to meet water penetration strong, intercepts soil particle from coarse to fine layer by layer, it is ensured that its draining and anti-
Silting.The combination percolating device that macromolecular material fleece is constituted together with outer layer rice husk, permeable geotextiles is in underground percolation
Nitrogen phosphorus carry out being detained, filter, adsorb, redox, while providing preferably attachment with growth bar for microbiologic population
Part, the nitrification and denitrification effect of microorganism become the main path of drainage procedure nitrogen phosphorus ligands, the test knot of applicants
Fruit shows that the nitrogen phosphorus of the device intercepts clearance and can reach more than 35%.
This utility model is rational in infrastructure, long service life, and silting blocking ability is strong, and drainage effect is good, with good nitrogen phosphorus
Pollutant are intercepted and remove effect, to improving China's agricultural water water quality, are alleviated Eutrophication Status and are significant.Together
When this utility model can also process a large amount of agricultural wastes, material non-toxic is pollution-free, and energy-conserving and environment-protective are with low cost.
Claims (3)
1. the farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk is intercepted and removes combination percolating device, its feature
It is that the percolating device includes waved plastic pipe（2）, permeable geotextiles（7）, macromolecular material fleece（3）And rice husk
（1）, waved plastic pipe（2）Outer from-inner-to-outer sets gradually permeable geotextiles（7）, macromolecular fibre net（3）And rice husk（1）.
2. the farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk according to claim 1 is intercepted and is removed
Combination percolating device, is characterized in that, the permeable geotextiles of innermost layer（7）, intermediate layer macromolecular fibre net（3）And outermost layer rice husk
（1）Gross thickness be 14～18cm；Wherein, intermediate layer macromolecular material fleece（3）Thickness be 6～8cm, outermost layer rice husk
（1）Thickness be 8～10cm.
3. the farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk according to claim 1 is intercepted and is removed
Combination percolating device, is characterized in that, the waved plastic pipe（2）It is made up of polrvinyl chloride or polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620978011.1U CN206069493U (en) | 2016-08-30 | 2016-08-30 | A kind of farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk is intercepted and removes combination percolating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620978011.1U CN206069493U (en) | 2016-08-30 | 2016-08-30 | A kind of farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk is intercepted and removes combination percolating device |
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| Publication Number | Publication Date |
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| CN206069493U true CN206069493U (en) | 2017-04-05 |
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| CN201620978011.1U Active CN206069493U (en) | 2016-08-30 | 2016-08-30 | A kind of farmland underground runoff nitrogen phosphorus based on macromolecular material fleece, rice husk is intercepted and removes combination percolating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112655539A (en) * | 2021-01-19 | 2021-04-16 | 温州科技职业学院 | Net shed for cultivating miniature potatoes |
-
2016
- 2016-08-30 CN CN201620978011.1U patent/CN206069493U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112655539A (en) * | 2021-01-19 | 2021-04-16 | 温州科技职业学院 | Net shed for cultivating miniature potatoes |
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