CN202610035U - Ecological ditch for treating agricultural pollution by virtue of nitrogen and phosphorus interception - Google Patents
Ecological ditch for treating agricultural pollution by virtue of nitrogen and phosphorus interception Download PDFInfo
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- CN202610035U CN202610035U CN201220254690XU CN201220254690U CN202610035U CN 202610035 U CN202610035 U CN 202610035U CN 201220254690X U CN201220254690X U CN 201220254690XU CN 201220254690 U CN201220254690 U CN 201220254690U CN 202610035 U CN202610035 U CN 202610035U
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Abstract
The utility model relates to an ecological ditch for treating agricultural pollution by virtue of nitrogen and phosphorus interception and belongs to the technical field of water conditioning. The ecological ditch comprises an ecological ditch, a bamboo floating bed and a fishing net layer, wherein the section of the ecological ditch is ladder-shaped; oblong plates are paved at the two walls and the bottom of the ecological ditch; the bamboo floating bed is of a net opening structure woven by moso bamboo; the fishing net layer is positioned below the bamboo floating bed; and the peripheries of the fishing net layer and the bamboo floating bed are fixedly arranged on the ecological ditch by virtue of lead wires. According to the utility model, the planting of aquatic plants is utilized as a core, a corresponding ecological ditch is built, the agricultural non-point pollution source is effectively treated by the ecological ditch, and thus an effect of purifying the water quality is achieved; and a water purifying method adopted by the utility model is simple to construct, low in cost, good in pollution control effect and suitable for popularization and application.
Description
Technical field
The utility model relates to a kind of nitrogen phosphorus interception and administers the ecological canal of agricultural pollution, belongs to the water conditioning technical field.
Background technology
In China; Along with the attention that point-source pollution is controlled and the raising of Governance Ability; Pollution of area source has become the important factor that influences water surrounding, and widespread pollution from the overuse of fertilizers and pesticides in rural area is becoming the one of the main reasons of China's deterioration of the ecological environment, seriously restricts the Sustainable development of agricultural and rural economy environment.Ecological canal all has certain ecological functions and treatment function, and from ecological and physical angle, sewerage is the engineering ecosystem with river and linear wetland characteristic.Therefore, sewerage not only can be used as the passage of irrigation and drainage, because it has the characteristic of linear wetland, can also become the place of administering widespread pollution from the overuse of fertilizers and pesticides in rural area simultaneously.
Ecological canal has higher removal efficiency of nitrogen and phosphorus and landscape effect preferably; Its dynamic removal efficiency of nitrogen and phosphorus reaches 35.7% and 41.0%, and static removal efficiency of nitrogen and phosphorus reaches 58.2% and 84.8%, and irrigation canals and ditches are as aquatic ecosystem; Under the prerequisite of normal performance water delivery water distribution function; Create suitable habitat for biology, hold back the pollutent of the various irrigation canals and ditches of flowing through of degraded, strengthened the self-purification capacity of water body effectively.The main water purification function of ecological canal is to be perched the formed ecosystems such as animal, humic bacterium and mikrobe to provide by the plant in the irrigation canals and ditches, bottom.Living weight in the irrigation canals and ditches is the determinative of purification function size, and living weight is big more, shows that the pollution substance that irrigation canals and ditches can hold back and absorb is many more.Simultaneously,, slow down flow rate of water flow, improve the residence time of sewage in irrigation canals and ditches, with the processing efficiency that improves irrigation canals and ditches because purification function is provided by biology.
Up to the present, less about the research report of the nitrogen phosphorus of ecological canal interception mechanism.Given this; This test has been carried out certain research with regard to ecological canal to the interception mechanism of nitrogen phosphorus in the farmland drainage; Make up a kind of novel method of ecological canal treating water, sought the technological approaches of suitable China's actual conditions and region feature for the agricultural non-point pollution control.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned weak point, a kind of simple structure is provided, cost is low, pollution treatment is effective, the suitable ecological canal of applying, thereby addresses the above problem.It discloses the method that a kind of ecological canal makes up, and comprises the foundation of irrigation canals and ditches, the making of device and the selection of plant.Effectively handle agricultural non-point pollution through ecological canal, thereby reach the effect that purifies water.
According to the technical scheme that the utility model provides, the ecological canal of agricultural pollution is administered in a kind of nitrogen phosphorus interception, comprises ecological canal, bamboo floating bed and fishing net layer; The cross section of said ecological canal is trapezoidal, and rectangle sheet material is laid in two walls of ecological canal and bottom; The network interface shape structure that bamboo floating bed is woven into for mao bamboon, fishing net layer are positioned at bamboo floating bed below, are fixed on the ecological canal with galvanized wire around both.
Said ecological canal is provided with water inflow control system and goes out water control system.
The width of said bamboo floating bed is gone to the bottom greater than the cross section trapezoid less than ecological canal cross section trapezoid upper base.
The preparation method of the ecological canal of agricultural pollution is administered in the interception of nitrogen phosphorus:
(1) foundation of ecological canal: the size of said ecological canal is according to local common farmland drainage irrigation canals and ditches, and promptly the irrigation canals and ditches xsect is trapezoidal, wide 80cm suitable for reading, and bottom width 40cm, dark 76cm, two walls and bottom all adopt the square sheet material of concrete long to lay.The length of irrigation canals and ditches is 30m, is furnished with suction sump and independent water-in and water-out system.
(2) foundation of stationary installation: the floating bed of bamboo matter of establishment is installed, in ecological canal in order to the waterplant in the fixing ecological canal.It is that material is worked out that the floating bed of bamboo matter adopts mao bamboon, the long 5m of floating bed, and wide 0.5m is compiled into the network interface shape, wherein about the 4 ~ 6cm of network interface footpath.The fishing net layer is laid by lower floor at the floating bed of bamboo matter, fixes with galvanized wire all around.
(3) plantation of waterplant: the selection Chinese celery is a waterplant, and plantation length is about 10cm, and the planting density in each mesh is 2 ~ 3 strains, is fixed in the bamboo matter mesh.
The utlity model has following advantage: the utility model is a core with the plantation of waterplant; Set up corresponding ecological canal; Effectively handle agriculture non-point pollution source through ecological canal; Thereby reach the effect that purifies water, the method construct of the evolution water quality that the utility model adopts is simple, cost is low, pollution treatment is effective, suitable applying.
Description of drawings
Fig. 1 the utility model schematic cross-section.
The structural representation of the bamboo floating bed of Fig. 2.
Fig. 3 the utility model floor map.
Embodiment
The ecological canal of agricultural pollution is administered in the interception of embodiment 1 nitrogen phosphorus
Shown in Fig. 1-3, the ecological canal of agricultural pollution is administered in a kind of nitrogen phosphorus interception, comprises ecological canal 1, bamboo floating bed 2 and fishing net layer 3; The cross section of said ecological canal 1 is trapezoidal, and rectangle sheet material 4 is laid in two walls of ecological canal 1 and bottom; The network interface shape structure that bamboo floating bed 2 is woven into for mao bamboon, fishing net layer 3 are positioned at bamboo floating bed 2 belows, are fixed on the ecological canal 1 with galvanized wire around both.
Said ecological canal 1 is provided with water inflow control system 5 and goes out water control system 6.
The width of said bamboo floating bed 2 is gone to the bottom greater than the cross section trapezoid less than ecological canal 1 cross section trapezoid upper base.
The preparation method of the ecological canal of agricultural pollution is administered in the interception of embodiment 2 nitrogen phosphorus:
(1) foundation of ecological canal: the size of said ecological canal is according to local common farmland drainage irrigation canals and ditches, and promptly the irrigation canals and ditches xsect is trapezoidal, wide 80cm suitable for reading, and bottom width 40cm, dark 76cm, two walls and bottom all adopt the square sheet material of concrete long to lay.The length of irrigation canals and ditches is 30m, is furnished with suction sump and independent water-in and water-out system.
(2) foundation of stationary installation: the floating bed of bamboo matter of establishment is installed, in ecological canal in order to the waterplant in the fixing ecological canal.It is that material is worked out that the floating bed of bamboo matter adopts mao bamboon, the long 5m of floating bed, and wide 0.5m is compiled into the network interface shape, wherein about the 4 ~ 6cm of network interface footpath.The fishing net layer is laid by lower floor at the floating bed of bamboo matter, fixes with galvanized wire all around.
(3) plantation of waterplant: the selection Chinese celery is a waterplant, and plantation length is about 10cm, and the planting density in each mesh is 2 ~ 3 strains, is fixed in the bamboo matter mesh.
The application that the ecological canal of agricultural pollution is administered in the interception of application implementation example 1 nitrogen phosphorus
Select the Zhigou of several sections booth sewage discharges in the Agro-ecology garden, ditch is transformed according to embodiment 2 said methods.Ditch is a trapezoidal cross-section, goes up wide 80cm, bottom width 40cm, dark 76cm, length 30m.2 interception dams are set at the ecological canal two ends, and the height on interception dam is about 30cm.Can play certain retaining effect the season that acts on arid on interception dam, prevents the inner dry plant death that makes of irrigation canals and ditches.And make that at ordinary times the current part is static in the irrigation canals and ditches, disposing of sewage for the ecosystem of irrigation canals and ditches provides place and good hydraulics.Interception has a water outlet on the dam, and the position is near the irrigation canals and ditches bottom, to guarantee draining emptying in time when water level is higher.
The floating bed of bamboo matter of establishment is installed, in order to the waterplant in the fixing ecological canal in irrigation canals and ditches.It is that material is worked out that the floating bed of bamboo matter adopts mao bamboon, the long 5m of floating bed, and wide 0.5m is compiled into the network interface shape, and wherein network interface directly is about about 4 ~ 6cm.The fishing net layer is laid by lower floor at the floating bed of bamboo matter, fixes with galvanized wire all around.The floating bed of bamboo matter is put into ecological canal, and floating bed is that the irrigation canals and ditches position of its same width fixes, and will tackle the dam at arid season and stop the irrigation canals and ditches two ends, to the irrigation canals and ditches make up water, makes it reach equivalent water level.Rainy season when water level is higher, the floating bed of bamboo matter floats on the water surface because of buoyancy, this moment is fixing with the floating bed of bamboo matter with hawser, prevents to waft because of current.The Chinese celery of in bamboo matter network interface, planting, each network interface plantation density is 2 ~ 3 strains, plant height is about 10cm.
Claims (3)
1. the ecological canal of agricultural pollution is administered in a nitrogen phosphorus interception, it is characterized in that: comprise ecological canal (1), bamboo floating bed (2) and fishing net layer (3); The cross section of said ecological canal (1) is trapezoidal, and rectangle sheet material (4) is laid in two walls of ecological canal (1) and bottom; The network interface shape structure that bamboo floating bed (2) is woven into for mao bamboon, fishing net layer (3) are positioned at bamboo floating bed (2) below, are fixed on the ecological canal (1) with galvanized wire around both.
2. the ecological canal of agricultural pollution is administered in the interception of nitrogen phosphorus according to claim 1, and it is characterized in that: said ecological canal (1) is provided with water inflow control system (5) and goes out water control system (6).
3. the ecological canal of agricultural pollution is administered in the interception of nitrogen phosphorus according to claim 1, it is characterized in that: the width of said bamboo floating bed (2) is gone to the bottom greater than the cross section trapezoid less than ecological canal (1) cross section trapezoid upper base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220254690XU CN202610035U (en) | 2012-05-31 | 2012-05-31 | Ecological ditch for treating agricultural pollution by virtue of nitrogen and phosphorus interception |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220254690XU CN202610035U (en) | 2012-05-31 | 2012-05-31 | Ecological ditch for treating agricultural pollution by virtue of nitrogen and phosphorus interception |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202610035U true CN202610035U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220254690XU Expired - Lifetime CN202610035U (en) | 2012-05-31 | 2012-05-31 | Ecological ditch for treating agricultural pollution by virtue of nitrogen and phosphorus interception |
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| CN (1) | CN202610035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423830A (en) * | 2018-01-30 | 2018-08-21 | 苏州农业职业技术学院 | A kind of floating-island type nitrogen and phosphorus loss ecological intercepting irrigation canals and ditches |
| CN110156167A (en) * | 2019-06-26 | 2019-08-23 | 农业农村部环境保护科研监测所 | Hardening basal plane ecological canal and ecological canal system |
-
2012
- 2012-05-31 CN CN201220254690XU patent/CN202610035U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423830A (en) * | 2018-01-30 | 2018-08-21 | 苏州农业职业技术学院 | A kind of floating-island type nitrogen and phosphorus loss ecological intercepting irrigation canals and ditches |
| CN110156167A (en) * | 2019-06-26 | 2019-08-23 | 农业农村部环境保护科研监测所 | Hardening basal plane ecological canal and ecological canal system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214135 Jiangsu province Wuxi city Wuxi District Taihu international science and Technology Park of University Science and Technology Park Qingyuan Road Industrial Building A, No. 518 Patentee after: Meishang Ecological Landscape Co., Ltd. Address before: 214135 Jiangsu province Wuxi city Wuxi District Taihu international science and Technology Park of University Science and Technology Park Qingyuan Road Industrial Building A, No. 518 Patentee before: Jiangsu Meishang Ecology Landscape Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20121219 |
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| CX01 | Expiry of patent term |