CN104773834B - Irrigated area drainage ditch of rice field banding wetland dirty system only - Google Patents
Irrigated area drainage ditch of rice field banding wetland dirty system only Download PDFInfo
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- CN104773834B CN104773834B CN201510142882.XA CN201510142882A CN104773834B CN 104773834 B CN104773834 B CN 104773834B CN 201510142882 A CN201510142882 A CN 201510142882A CN 104773834 B CN104773834 B CN 104773834B
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- wetland
- drainage
- groin
- permeable
- flat
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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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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention is irrigated area drainage ditch of rice field banding wetland dirty system only, and its structure includes the flat wetland of step 4, half permeable groin 5；The flat wetland of described step 4 is to be formed by the bottom ramp rectification of drainage ditch of rice field 3, is separated every grade of flat wetland with half permeable groin 5, and arranges wetland purification system wherein.Advantage：It is flat that the bottom ramp of drainage ditch of rice field is rectified and improved into step by the present invention, with half permeable groin, every grade is separated, and wetland purification system is set wherein, so ensure that the draining intermission ensures wetland system ecology healthy water use needs in gutter, ensure clean-up effect, hydraulic detention time in banding wetland for the agricultural drain can be effectively increased in the farmland proper drainage phase simultaneously.Water plant in wetland purification system selects the crops such as Oryza sativa L., Herba Apii, using the aquatic crops in the wetland purification system in gutter, can increase certain income while purifying paddy field drainage.
Description
Technical field
The present invention relates to one kind is applied to irrigated area rice field ensure that in draining intermission gutter, wetland cleaning system is used
Water needs and makes full use of gutter space Planting Crops, improves the irrigated area rice of agricultural non -point pollution clean-up effect further
Field gutter banding wetland dirty system only.Belong to agricultural non -point pollution control technology field.
Background technology
Agricultural non -point pollution control technology mainly has artificial swamp, Riparian Buffer Zone, ecological raceway groove etc..Artificial swamp and shore
Bank buffer strip technology because its floor space larger it is difficult to adapt to the national conditions had a large population and a few land of China, popularization and application are subject to a certain extent
Restriction.Ecological raceway groove is a kind of ecological engineering technology that polluter in farmland drainage ditch is carried out with original position ecological intercepting, can
With preferably landman, contradiction.Gutter is widely present among farmland, is the important water conservancy projects of agricultural production, is straight
Connect an important step accepting field water body and pollutant, there is the pool water conservancy function of agricultural drain and the work of ecological functions
With although farmland drainage ditch quantity is more, clean-up effect is undesirable, and improved ecology ditch has good purification effect
Really.ZL200910104687.2 discloses the sewage in-situ purification system using gutter, and gutter edge is longitudinally divided into process road
And sub-runner, water sequentially passes through setting pot, contact-oxidation pool, artificial swamp pond and sedimentation tank and is purified.Although sewage obtains
To purification, but substantial amounts of infrastructure project and complicated and soil restriction of constructing, very difficult popularization and application.ZL201210456740.7
Disclose a kind of pollution control discharge-reducing method of agricultural drain, after solidification bank protection, middle hygrophyte on slope, in ditch, the heavy water of plantation is planted
Thing, subsection setup altitude valve in ditch, gutter arranges shunting valve.ZL201320020861.7 discloses a kind of farmland
Pollution of area source staged undercurrent dam ecological purification ditch, furrow bank and bottom of trench setting impermeable building block planting plants, are provided with interception in ditch
Plate and undercurrent dam.ZL201410036964.1 discloses a kind of irrigated area drainage ditch of rice field series connection wetland dirty system only, " to pour water
Canal -- rice field -- gutter " is monomer, and series connection step by step forms dirty system only；Its main body is the wetland dirty pond only in gutter,
At rice field and gutter node, build wetland dirty pond only, plural serial stage is applied, and forms " pearl chain " formula agricultural drain dirt system only
System.
Although these patents have necessarily dirty function only, in the agricultural drain intermission, the water level in gutter is rapid
Decline it is difficult to maintain wetland purification system ecology system health water to need, thus leading to wetland purification system purification effect not
Enough preferable and follow-up maintenance difficulty is larger.Soil is less per capita for China, using draining ditch water discharge and dirty function only, the row of making full use of
Ditch space plants economic crops, improves comprehensive effect.But, both can guarantee that agricultural drain at present, again can be in the draining intermission
Ensure that in gutter, wetland system ecology healthy water use needs, clean-up effect preferably only the report of dirty technology actually rare.This
Gutter slope is changed into flat by invention, using half permeable groin, builds step banding wetland, on the one hand ensures to increase farmland row
Hydraulic detention time in banding wetland for the water, improve agricultural drain clean-up effect, another can occasionally ensure banding wetland row
The water demand of water intermission.Meanwhile, plant economic crops in banding wetland, compensate for taking because increasing discharge section area
Farmland, improve the comprehensive effect of farmland drainage ditch.
Content of the invention
Proposed by the present invention is a kind of irrigated area drainage ditch of rice field banding wetland dirty system only, its object is to solve farmland face
Source is seriously polluted, is the wetland purification system purifying place in the agricultural drain intermission is because of gutter currently with gutter
Enough moisture can not be kept to supply the needs of wet land system environmental health, thus leading to that clean-up effect is not ideal enough, purifying
System, in the draining intermission more difficult problem maintained, gutter bottom slope is changed to the flat ditch of step it is ensured that the draining intermission is wet
Ground cleaning system needs the irrigated area drainage ditch of rice field ditch banding wetland of water only dirty.
The technical solution of the present invention：Irrigated area drainage ditch of rice field banding wetland dirty system only, is characterized in that including step
Flat wetland, half permeable groin, draining enters the flat wetland of step by permeable groin；The flat wetland of described step is by rice
The bottom ramp rectification in field gutter forms, and is separated every grade of flat wetland with half permeable groin, and setting wetland is net wherein
Change system.
Advantages of the present invention：
（1）It is flat for becoming slope, and step wetland purification technology is realized draining intermission wet land system and needed water, ensures and purifies effect
Really；
（2）Gutter in-situ treatment, by the use of in rice field, soil, as the place purifying sewage, is saved in a fairly large number of gutter
Ground, improves clean-up effect simultaneously；
（3）China's per capita area of cultivated farmland is few, makes full use of gutter space and plants economic crops in guarantee agricultural drain
Meanwhile, play its dirty effect only, improve the comprehensive effect of farmland drainage ditch.
Brief description
Accompanying drawing 1 is the planar structure schematic diagram of irrigated area drainage ditch of rice field banding wetland dirty system only.
Accompanying drawing 2 is the sectional view of Fig. 1.
Accompanying drawing 3 is half permeable groin cross-sectional view.
In figure 1 is rice field, and 2 is paddy field drainage mouth, and 3 is drainage ditch of rice field, and 4 is flat wetland, and 5 is half permeable groin, and 6 are
Water plant, 7 is receiving water body, and 8 is the permeable area of half permeable groin, and 9 is half permeable groin impervious zone.
Specific embodiment
Comparison Fig. 1, irrigated area drainage ditch of rice field banding wetland dirty system only, its structure includes the flat wetland of step 4, and half is permeable
Gabion 5；The flat wetland of described step 4 is to be formed by the bottom ramp rectification of drainage ditch of rice field 3, will be every with half permeable groin 5
Level separates, and arranges wetland purification system wherein.
Comparison Fig. 2, the bottom ramp of drainage ditch of rice field 3 is rectified and improved into step flat, with half permeable groin 5 by every grade every
Open, and wetland purification system is set wherein.According to whole piece gutter length and the gradient, the length of every grade of flat wetland 4 is set
It is set in the range of 50-150m, the height of half permeable groin 5 will ensure that draining intermission flat wetland ecological water requirement
Ask, the width of half permeable groin 5 is generally the 1/2-2/3 of gabion height, and the length of half permeable groin 5 is its two ends and gutter
The distance between contact point.Half 5 point half of permeable groin permeable groin impervious zone and the permeable area of half permeable groin.
Comparison Fig. 3, the height of half permeable groin impervious zone 9 is generally 10-20cm, and this is highly able to maintain that " wetland is planted
The ecosystem in dry season for the thing " needs water to require, and the upper end level in the permeable area of half permeable groin 8 is normally arranged in drainage ditch of rice field 3
Near water water level.Water plant 6 in wetland purification system selects the crops such as Oryza sativa L., Herba Apii.
Using the method for irrigated area drainage ditch of rice field banding wetland dirty system purification wetland only, comprise the steps.
1）The paddy field drainage phase, paddy field drainage flow to gutter flat wetland purification system, paddy field drainage by paddy field drainage mouth
After flowing through the flat wetland purification of drainage ditch of rice field step by step, flow in more higher leveled gutter, the rice field row after final purification
Water enters receiving water body 7.
2）The paddy field drainage intermission, step flat wetland in gutter can retain part paddy field drainage, and further depth is net
Change the agricultural drain being retained down, be able to maintain that the ecosystem health of wet land system it is ensured that clean-up effect simultaneously, reduce wetland
Maintenance work.
The described paddy field drainage phase, when drainage ditch of rice field 3 draining is less, the impervious zone of half permeable groin 5 stops water body
Let out under quick, provide growth water body for wetland plant, maintain " wetland plant " ecosystem in dry season to need water to require；
When drainage ditch of rice field 3 proper drainage, permeable drainage is played in the permeable area of half permeable groin 5, simultaneously because thoroughly
Pool stone interval is larger, suitable microbial film growth, while agricultural drain, purifies agricultural drain.
When the drainage ditch of rice field 3 excretion water yield is larger, such as storm period, agricultural drain is then from gabion top overflow mistake, wet
Water plant 6 in ground cleaning system selects the crops such as Oryza sativa L., Herba Apii, because drainage ditch of rice field quantity is many, overall occupation of land
Area is larger, using the water plant in the wetland purification system in gutter, can increase while purifying paddy field drainage
Income.
Claims (2)
1. irrigated area drainage ditch of rice field banding wetland dirty system only, is characterized in that wetland flat including step, half permeable groin, draining
The flat wetland of step is entered by permeable groin；The flat wetland of described step is by the bottom ramp rectification of drainage ditch of rice field
Become, with half permeable groin, every grade of flat wetland is separated, and wetland purification system is set wherein；
The length of the flat wetland of described every grade is set to 50-150m, and the height of half permeable groin is ensure that draining interval
Phase flat wetland ecological water requirement requires, and the width of half permeable groin is the 1/2-2/3 of gabion height, and the length of half permeable groin is
The distance between its two ends and gutter contact point, half permeable groin divides half permeable groin impervious zone and half permeable groin permeable
Area；
The height of half described permeable groin impervious zone is 10-20cm, and this is highly able to maintain that " wetland plant " in dry season
Ecosystem need water to require；
The upper end level in the described permeable area of half permeable groin is near drainage ditch of rice field proper drainage water level；
Water plant in described wetland purification system selects Oryza sativa L., Herba Apii crops.
2. the method utilizing irrigated area drainage ditch of rice field banding wetland dirty system purification wetland only, is characterized in that comprising the steps：
1）The paddy field drainage phase, paddy field drainage flow to gutter flat wetland purification system by paddy field drainage mouth, and paddy field drainage is step by step
After flowing through the flat wetland purification of drainage ditch of rice field, flow in higher leveled gutter, the paddy field drainage after final purification enters
Receiving water body；
2）The paddy field drainage intermission, step flat wetland in gutter can retain part paddy field drainage, and further deep purifying cuts
The agricultural drain staying, is able to maintain that the ecosystem health of wet land system it is ensured that clean-up effect simultaneously, reduces wetland and safeguard
Work；
The described paddy field drainage phase, when paddy field drainage ditch water discharge is less, the impervious zone of half permeable groin stops water body quick
Under let out, for wetland plant provide growth water body, maintain " wetland plant " ecosystem in dry season need water to require；
When drainage ditch of rice field proper drainage, permeable drainage is played in the permeable area of half permeable groin, simultaneously because permeable area stone
Head interval is larger, suitable microbial film growth, while agricultural drain, purifies agricultural drain；
When drainage ditch of rice field excretion the water yield larger when, agricultural drain then from gabion top overflow mistake, in wetland purification system
Water plant selects Oryza sativa L., Herba Apii crops, because drainage ditch of rice field quantity is many, overall floor space is larger, using draining
The water plant in wetland purification system in ditch, can increase income while purifying paddy field drainage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142882.XA CN104773834B (en) | 2015-03-30 | 2015-03-30 | Irrigated area drainage ditch of rice field banding wetland dirty system only |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142882.XA CN104773834B (en) | 2015-03-30 | 2015-03-30 | Irrigated area drainage ditch of rice field banding wetland dirty system only |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104773834A CN104773834A (en) | 2015-07-15 |
| CN104773834B true CN104773834B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510142882.XA Expired - Fee Related CN104773834B (en) | 2015-03-30 | 2015-03-30 | Irrigated area drainage ditch of rice field banding wetland dirty system only |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060494A (en) * | 2015-08-27 | 2015-11-18 | 中国环境科学研究院 | Regulation and storage wetland and method for purifying non-point source pollution through regulation and storage wetland |
| CN108166464A (en) * | 2018-02-01 | 2018-06-15 | 中国农业科学院农业资源与农业区划研究所 | A kind of rice field face source sewage, which fills to store, teases and ridicule control cleaning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107990A (en) * | 2010-12-28 | 2011-06-29 | 中国科学院南京地理与湖泊研究所 | Stepped riverine wetland water purification method |
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| Publication number | Publication date |
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| CN104773834A (en) | 2015-07-15 |
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Granted publication date: 20170308 |