CN206173913U - Plain river network region farmland drainage recharges and utilizes and nitrogen phosphorus interception removal system - Google Patents
Plain river network region farmland drainage recharges and utilizes and nitrogen phosphorus interception removal system Download PDFInfo
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- CN206173913U CN206173913U CN201621170887.XU CN201621170887U CN206173913U CN 206173913 U CN206173913 U CN 206173913U CN 201621170887 U CN201621170887 U CN 201621170887U CN 206173913 U CN206173913 U CN 206173913U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
Plain river network region farmland drainage recharges and utilizes and nitrogen phosphorus interception removal system says including farmland filtration system, ecological ditch that filtration system, multistage river embankment wetland system and water lifting pump stand. The submerged filter body that permeate water geotechnological cloth and wheat straw stalk are constituteed is wrapped up in outward by the drainage hidden pipe to farmland filtration system, ecological ditch says the system, is to pass through water coagulation geomaterials at escape canal side slope inside lining straw, and the straw concrete permeates water concrete and crop straw with ecology to form according to certain match ratio combination, and the export sets up the recession floodgate. Multistage river embankment wetland system utilizes a plurality of river embankments that are located filtration channel tail end, sets up ecological filtration weir between the upper and lower level river embankment. River embankment water -level fluctuation district interplanting plants hygrophyte, and the department sets up the lifting irrigation pump station at the final stage river embankment, through the recharge utilization of lifting irrigation system implementation to farmland drainage. The utility model discloses construction convenience, space layout is reasonable, can extensively popularize and apply at southern plain river network region.
Description
Technical field
This utility model is related to a kind of river network in plain areas agricultural drain recharge utilization and nitrogen phosphorus intercepts removal system.
Background technology
The river network in plain areas network of waterways is intensive, and the water flows gently, and level of ground water is higher, and environmental capacity of water is low, widespread pollution from the overuse of fertilizers and pesticides in rural area
Problem is serious, does not there is practical ways.Widespread pollution from the overuse of fertilizers and pesticides in rural area causes substantial amounts of nitrogen and phosphorus thing to enter rivers, Hu Ku, leads
Body eutrophication is caused, hydrobiological living environment is destroyed, serious will cause water environment degradation, aquatic ecosystem loses
Weighing apparatus.The water pollution being on the rise not only reduces the use function of water body, has also been further exacerbated by the contradiction of shortage of water resources.
At present, in order to reduce agricultural non -point pollution, the major technique of application includes：Nutrient decrement input technology, liquid manure coupling
Conjunction technology, ditch river ecological intercepting technology, agricultural run-off harvest river embankment water correction technology, and these technologies are all simply conceived to nutrient
Some link in flow process, have ignored the synergistic action effect of farmland in irrigated area, raceway groove and river embankment.Therefore, how pin
The characteristics of to river network in plain areas, propose the sustainability agricultural run-off nitrogen that engineering technology, ecological technique, management technique combine
Phosphorus is intercepted and removes integrated technology system, to improving crop yield, mitigating widespread pollution from the overuse of fertilizers and pesticides in rural area, promote agricultural sustainable development, protection
Water environment and environmental health have the meaning of particular importance.
Utility model content
The purpose of this utility model is to provide a kind of river network in plain areas agricultural drain recharge utilization and nitrogen phosphorus is intercepted and removed
System, main material has corrugation plastic suction hose, permeable geotextiles, crop material, crop material pervious concrete etc..
The purpose of this utility model is achieved through the following technical solutions, and river network in plain areas agricultural drain recharge is utilized
And nitrogen phosphorus intercepts removal system, including farmland filtration system, ecological raceway groove filtration system, multistage river embankment wet land system and lift pump
Stand.
The farmland filtration system, wraps up in by closed drain and outward the subsurface infiltration that permeable geotextiles and diafiltration material are constituted
Body；According to Water Drainage Design of Xi ' standard, closed drainage system arrangement and caliber are determined by water force, closed drain inclines
Tiltedly arrange, the embedded gradient of closed drain is 1/1000 ~ 1/500；
The farmland filtration system outlet arranges the ecological raceway groove filtration system, the ecological raceway groove filtration system,
Refer to that straw pervious concrete material is by ecological permeable concrete in gutter side slope inside lining straw pervious concrete material
Combine according to certain match ratio with crop material, concrete material can increase the stability of gutter side slope, prevent
Wash away, straw forms organic matter after rotting, can intercept and remove the pollutant such as nitrogen phosphorus in rainwash.Drainage channel upper end
Plantation herbaceous plant, exit arranges the exit sluice of control gutter water level and flow, by the control realization of gutter water level
Regulation to farmland underground water level and water regime；
The multistage river embankment wet land system, refers to using multiple river embankments that be located at diafiltration raceway groove tail end, to have water-head, leads to
Cross the superior and the subordinate's water-head control, it is ensured that current flow step by step, ecological diafiltration weir is set between the superior and the subordinate's river embankment, be percolated raceway groove water
First pass around the ecological diafiltration weir body of straw pervious concrete and intercept the nitrogen phosphorus removed in raceway groove draining, further in ecological river embankment
The lower multistage water quality purified treatment realized to being percolated raceway groove draining of phytobiocoenose effect, the general 2 ~ 3m of river embankment depth, river embankment water level
Constant interval plants hygrophyte, and hygrophyte area is less than the 1/3 of water surface area.Irrigation by pumping pump is set at final stage river embankment
Stand, realize that the recharge to agricultural drain is utilized by water pumping irrigation system, while ensureing that river embankment wetland enters the water in subordinate river lake
Body meets discharge water standard, controls agricultural non -point pollution, protects and improve Regional Water Environment.
Further, the closed drain is corrugation plastic suction hose, and closed drain pipe shaft is evenly distributed with permeable hole.
Further, the diafiltration material to be referred to and compare 2 with zeolite and Wheat Straw weight：The surrounding layer of 1 ratio combination, thickness
For 10cm.
Further, the crop material refers to Wheat Straw.
Further, the herbaceous plant refers to Bermuda grass or Festuca Arundinacea, and hygrophyte refers to Caulis Zizaniae caduciflorae or Herba Spirodelae.
Above-mentioned river network in plain areas agricultural drain recharge utilization and nitrogen phosphorus are intercepted and remove systematic difference method, including following
Step：
（1）Arrangement system：River network in plain areas agricultural drain recharge utilization and nitrogen phosphorus intercept removal system, in plain river network
Area arrangement farmland filtration system, ecological raceway groove filtration system, multistage river embankment wet land system；
Farmland filtration system, wraps up in by closed drain and outward the subsurface infiltration body that permeable geotextiles and diafiltration material are constituted；
According to Water Drainage Design of Xi ' standard, closed drainage system arrangement and caliber are determined by water force, closed drain is inclined
Arrange, the embedded gradient of closed drain is 1/1000 ~ 1/500；
Farmland filtration system outlet arranges the ecological raceway groove filtration system, and ecological raceway groove filtration system is referred in row
Ditch side slope inside lining straw pervious concrete material, straw pervious concrete material is by ecological permeable concrete and Wheat Straw
Combine according to certain match ratio, Bermuda grass or Festuca Arundinacea are planted in drainage channel upper end, exit arranges control gutter
The exit sluice of water level and flow, by regulation of the control realization of gutter water level to farmland underground water level and water regime；
Multistage river embankment wet land system, refers to using the multiple river embankments for being located at diafiltration raceway groove tail end, by the superior and the subordinate's water-head
Control, it is ensured that current flow step by step, arranges the ecological diafiltration weir of straw pervious concrete between the superior and the subordinate's river embankment, river embankment depth is general
2 ~ 3m, the interval plantation Caulis Zizaniae caduciflorae of river embankment SEA LEVEL VARIATION or Herba Spirodelae, area is less than the 1/3 of water surface area.Arrange at final stage river embankment and carry
Water irrigation pumping station, realizes that the recharge to agricultural drain is utilized by water pumping irrigation system.
（2）Farmland filtration system nitrogen phosphorus is intercepted：Closed drain pipe shaft is evenly distributed with permeable hole, the underground footpath containing nitrogen phosphorus
Stream, by seepage effect, when flowing to closed drain, the water geotextiles of closed drain outer wrapping are prevented from hidden pipe blocking, zeolite
There is preferable interception result to nitrogen phosphorus with the diafiltration material of Wheat Straw composition, the nitrogen phosphorus in interflow subsurface drainage intercepted in soil,
Realize that the nitrogen phosphorus in farmland is intercepted.
（3）Ecological raceway groove filtration system nitrogen phosphorus is intercepted：The straw pervious concrete of drainage channel side slope lining cutting has preferable
Water penetration, it is ensured that the effect of oozing under current, Wheat Straw increased microorganism attachment, the nitrogen and phosphorus pollution in draining can be purified
Thing；Straw forms organic matter after rotting, and can intercept and remove the pollutant such as nitrogen phosphorus in rainwash.Drainage channel upper end kind
The Bermuda grass or Festuca Arundinacea of plant, plays a part of water and soil conservation.
（4）Multistage river embankment wet land system nitrogen phosphorus is intercepted and draining recharge is utilized：Diafiltration raceway groove water is first passed around positioned at upper
The ecological diafiltration weir body of straw pervious concrete between subordinate's river embankment intercepts the nitrogen phosphorus removed in raceway groove draining, is further giving birth to
The lower multistage water quality purified treatment realized to being percolated raceway groove draining of state river embankment phytobiocoenose effect；Water lift is set at final stage river embankment
Irrigation pumping station, realizes that the recharge to agricultural drain is utilized by water pumping irrigation system, while ensureing that river embankment wetland enters subordinate river
The water body in lake meets discharge water standard, controls agricultural non -point pollution, protects and improve Regional Water Environment.
Compared with prior art, this utility model has the advantages that：
（1）Compared with the technology of other preventing and treating agricultural non -point pollutions, most essential distinction is that farmland is percolated into skill to this technology
Art, diafiltration trench technology, ecological diafiltration weir and small reservoir wetland interception removal runoff nitrogen phosphorus technology are organically combined, synergism,
And accomplish that agricultural drain recharge is utilized, constitute " farmland-raceway groove-diafiltration weir-river embankment-irrigation pumping station " agricultural drain recharge
Removal system is intercepted using with nitrogen phosphorus, river network in plain areas field water fertilizer is improve and is utilized and runoff nitrogen phosphorus interception removal efficiency；
（2）The proportion that nitrate nitrogen content in farmland underground draining accounts for total nitrogen is higher, used as the crop straw based on carbon source
Material is wrapped up in outside the organic hidden pipe of stalk, the nitrate nitrogen in farmland underground seepage flow is intercepted and is removed with obvious advantage.
（3）Corrugation plastic hidden pipe and permeable geotextiles outsourcing material in underground horizontal diafiltration body may insure more than 30 years
The subdrainage of engineering effective life is required；Permeable geotextiles are wrapped in the outer of corrugation plastic suction hose automatically by machine
Portion, the same easy construction of diafiltration material-paving；Not only drainage effect is good for the system, and can process a large amount of agricultural wastes, section
Can be environmentally friendly, it is with low cost.
（4）The exit sluice arranged at farmland diafiltration channel outlets, not only can control farmland underground water level, farmland water of regulating and storing
Situation, the filtration and adsorption using soil and subsurface infiltration body is divided the concentration of nitrogen phosphorus in agricultural drain to be greatly reduced, effectively
Control agricultural run-off and nitrogen discharge and phosphorus discharge.
（5）This technology makes full use of the advantage that southern river network in plain areas river embankment gathers, water system is flourishing, space arrangement
Rationally, easy construction, can wide popularization and application.
Description of the drawings
Fig. 1 is that the agricultural drain recharge utilization of this utility model river network in plain areas and nitrogen phosphorus intercept removal system stereochemical structure
Schematic diagram；
Fig. 2 is that the agricultural drain recharge utilization of this utility model river network in plain areas and nitrogen phosphorus intercept the diafiltration of removal system farmland
System structure diagram；
Fig. 3 is that the agricultural drain recharge utilization of this utility model river network in plain areas and nitrogen phosphorus are intercepted and removes system ecology raceway groove
Filtration system schematic cross-sectional view；
Fig. 4 is that the agricultural drain recharge utilization of this utility model river network in plain areas and nitrogen phosphorus intercept removal system ecology and oozes
Filter weir structural representation；
In figure：1 farmland filtration system, 2 ecological raceway groove filtration systems, 3 exit sluices, 4 ecological diafiltration weirs, 5 lift pumping stations, 6
Closed drain, 7 permeable geotextiles, 8 diafiltration materials, 9 gutters, 10 straw pervious concretes, 11 irrigation canals.
Specific embodiment
As Figure 1-4, river network in plain areas agricultural drain recharge utilization and nitrogen phosphorus intercept removal system, including farmland is oozed
Filter system 1, ecological raceway groove filtration system 2, multistage river embankment wet land system and lift pumping station 5.
Farmland filtration system 1 is wrapped up in outward the subsurface infiltration body that permeable geotextiles 7 and diafiltration material 8 are constituted by closed drain 6；
According to Water Drainage Design of Xi ' standard, horizontal corrugation plastic closed drainage system arrangement and caliber are determined by water force,
Plastic draining hidden pipe is obliquely installed, and it is 1/1000 ~ 1/500 to bury the gradient；
Farmland filtration system outlet arranges the ecological raceway groove filtration system, and ecological raceway groove filtration system 2 refers to side slope
By the gutter 9 of the lining cutting of straw pervious concrete 10, ecological permeable concrete and Wheat Straw are combined according to certain match ratio
Into straw pervious concrete material, drainage channel upper end plantation Bermuda grass or Festuca Arundinacea, gutter exit arranges control draining
The exit sluice 3 of ditch water level and flow, by regulation of the control realization of gutter water level to farmland underground water level and water regime；
Multistage river embankment wet land system, refers to using the multiple river embankments for being located at diafiltration raceway groove tail end, by the superior and the subordinate's water-head
Control, it is ensured that current flow step by step, arranges the ecological diafiltration weir 4 of straw pervious concrete, river embankment depth one between the superior and the subordinate's river embankment
As 2 ~ 3m, the interval plantation Caulis Zizaniae caduciflorae of river embankment SEA LEVEL VARIATION or Herba Spirodelae, area less than water surface area 1/3.Arrange at final stage river embankment
Irrigation by pumping pumping plant 5, realizes that the recharge to agricultural drain is utilized by irrigation canal 11, water pumping irrigation system.
Claims (5)
1. a kind of river network in plain areas agricultural drain recharge utilization and nitrogen phosphorus intercept removal system, it is characterized in that, in plain river network
Area is provided with farmland filtration system（1）, ecological raceway groove filtration system（2）, multistage river embankment wet land system and lift pumping station（5）；
The farmland filtration system（1）It is by closed drain（6）The outer diafiltration material of parcel successively（8）, permeable geotextiles（7）Composition
Subsurface infiltration body；Closed drain is obliquely installed, and the embedded gradient of closed drain is 1/1000-1/500；
The farmland filtration system（1）Outlet arranges the ecological raceway groove filtration system（2）, ecological raceway groove filtration system（2）
It is side slope by straw pervious concrete（10）The gutter of lining cutting（9）, gutter（9）Plant herbaceous plant in upper end；Gutter goes out
Exit sluice is set at mouthful（3）；
The multistage river embankment wet land system, including positioned at ecological filter drain ditch（9）Tail end, multiple river embankments for having water-head,
Controlled by the superior and the subordinate's water-head, it is ensured that current flow step by step, straw pervious concrete ecology is set between the superior and the subordinate's river embankment and is oozed
Filter weir（4）, the general 2-3m of river embankment depth, the interval plantation hygrophyte of river embankment SEA LEVEL VARIATION, hygrophyte area is less than water surface face
Long-pending 1/3；
Irrigation by pumping pumping plant is set at final stage river embankment（5）, realize that the recharge to agricultural drain is utilized by water pumping irrigation system.
2. river network in plain areas agricultural drain recharge utilization according to claim 1 and nitrogen phosphorus intercept removal system, and it is special
Levying is, the closed drain is corrugation plastic suction hose, and closed drain pipe shaft is evenly distributed with permeable hole.
3. river network in plain areas agricultural drain recharge utilization according to claim 1 and nitrogen phosphorus intercept removal system, and it is special
Levying is, the diafiltration material to be referred to and compare 2 with zeolite and Wheat Straw weight：The surrounding layer of 1 ratio combination, being percolated material thickness is
10cm。
4. river network in plain areas agricultural drain recharge utilization according to claim 1 and nitrogen phosphorus intercept removal system, and it is special
Levying is, the straw pervious concrete（10）Crop material refers to Wheat Straw.
5. river network in plain areas agricultural drain recharge utilization according to claim 1 and nitrogen phosphorus intercept removal system, and it is special
Levying is, the herbaceous plant is Bermuda grass or Festuca Arundinacea, and hygrophyte is Caulis Zizaniae caduciflorae or Herba Spirodelae.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621170887.XU CN206173913U (en) | 2016-10-26 | 2016-10-26 | Plain river network region farmland drainage recharges and utilizes and nitrogen phosphorus interception removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621170887.XU CN206173913U (en) | 2016-10-26 | 2016-10-26 | Plain river network region farmland drainage recharges and utilizes and nitrogen phosphorus interception removal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206173913U true CN206173913U (en) | 2017-05-17 |
Family
ID=58680846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621170887.XU Withdrawn - After Issue CN206173913U (en) | 2016-10-26 | 2016-10-26 | Plain river network region farmland drainage recharges and utilizes and nitrogen phosphorus interception removal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206173913U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320302A (en) * | 2016-10-26 | 2017-01-11 | 扬州大学 | Farmland drainage recharging utilization and nitrogen and phosphorus interception removal system used in plain river network regions and application method thereof |
| CN108557988A (en) * | 2017-12-11 | 2018-09-21 | 上海交通大学 | A kind of the dryland soil filtration system and method for agricultural non-point source pollution control |
-
2016
- 2016-10-26 CN CN201621170887.XU patent/CN206173913U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320302A (en) * | 2016-10-26 | 2017-01-11 | 扬州大学 | Farmland drainage recharging utilization and nitrogen and phosphorus interception removal system used in plain river network regions and application method thereof |
| CN106320302B (en) * | 2016-10-26 | 2018-08-24 | 扬州大学 | River network in plain areas agricultural drain recharge utilization and nitrogen phosphorus intercept removal system and its application process |
| CN108557988A (en) * | 2017-12-11 | 2018-09-21 | 上海交通大学 | A kind of the dryland soil filtration system and method for agricultural non-point source pollution control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170517 Effective date of abandoning: 20180824 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170517 Effective date of abandoning: 20180824 |