CN210580331U - Ecological ditch for submerged plants in farmland - Google Patents
Ecological ditch for submerged plants in farmland Download PDFInfo
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- CN210580331U CN210580331U CN201921392305.6U CN201921392305U CN210580331U CN 210580331 U CN210580331 U CN 210580331U CN 201921392305 U CN201921392305 U CN 201921392305U CN 210580331 U CN210580331 U CN 210580331U
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- ditch
- farmland
- submerged plants
- ecological ditch
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Abstract
The utility model provides a farmland submerged plant ecological ditch, which comprises a ditch; submerged plants are filled in the ditch, grids are arranged on two sides of the ditch, and a sun shading device is connected between the grids; the sunshade device moves linearly along the grating. The utility model discloses solar protection devices has been set up at the top of grid to make the irrigation canals and ditches have the sunshade function, reduced submerged plant and taken place dead phenomenon in hot summer simultaneously.
Description
Technical Field
The utility model relates to an ecological irrigation canals and ditches of farmland submerged plant belongs to non-point source water pollution control's technical field.
Background
Agricultural non-point source pollution mainly refers to the pollution of surface water and groundwater caused by the fact that during agricultural production activities, soil particles, nitrogen, phosphorus, pesticides and other organic or inorganic pollutants in farmlands enter water bodies through farmland surface runoff, farmland drainage or underground leakage in the process of precipitation or irrigation, and a large amount of pollutants enter the water bodies. Relevant research shows that the water pollution in China is serious, and the nitrogen and phosphorus nutrition of the watershed water caused by the living pollution discharge of farmlands, rural livestock and poultry breeding areas and urban and rural combined parts exceeds the living point source pollution and the industrial point source pollution from urban areas.
The direct causes of agricultural non-point source pollution are mainly as follows: farmland runoff, torrential rain slope overflow, mountain land water and soil loss, agricultural solid waste and migration and transformation of nitrogen and phosphorus nutrient substances in domestic sewage in soil and water. In the prior art, chinese patent publication No. 206089200 discloses an ecological ditch for submerged plants in farmland, which utilizes the ecological purification function of submerged plants with low-concentration non-point source sewage in farmland, effectively reduces the content of suspended solids, nitrogen and phosphorus, and makes full use of the space of the existing farmland ditch, thus saving land resources, however, the ecological ditch neglects the influence of illumination on the submerged plants, and especially in hot summer, the condition that part of the submerged plants die under the influence of strong illumination easily appears, thereby influencing the ecological purification function.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an ecological irrigation canals and ditches of farmland submerged plant.
The utility model discloses a following technical scheme can realize.
The utility model provides a farmland submerged plant ecological ditch, which comprises a ditch; submerged plants are filled in the ditch, grids are arranged on two sides of the ditch, and a sun shading device is connected between the grids; the sunshade device moves linearly along the grating.
The sunshade device is arranged on the upper end face of the grating.
The sunshade device comprises a fixed block and a fixed frame which moves linearly along the grating, a winding drum is arranged in the fixed frame, and a sunshade net is wound on the winding drum; the fixed block is fixed at one end of the grid, and one end of the sunshade net is fixedly connected with the fixed block.
The upper end face of the grating is provided with a sliding groove, and the top of the sliding groove is provided with an open baffle plate.
The lower end face of the fixed frame is sequentially connected with a connecting rod and a sliding block.
The sliding block is matched with the sliding groove.
One side of the ditch is provided with a water inlet, the other side of the ditch is provided with a water outlet, and one side of the water outlet is provided with a semi-permeable dam.
The semi-permeable dam comprises a permeable layer, and the permeable layer is arranged on the permeable layer.
One side of the fixing frame is provided with a handle.
The area of the sunshade net is larger than that of the ditch.
The beneficial effects of the utility model reside in that: the top of the grating is provided with the sun-shading device, so that the ditch has a sun-shading function, and the phenomenon that submerged plants die in hot summer is reduced.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a schematic structural diagram of the slider of the present invention;
in the figure: 1-ditch, 11-water inlet, 12-water outlet, 13-semi-permeable dam, 14-impermeable layer, 15-permeable layer, 2-submerged plant, 3-grid, 4-sunshade device, 41-fixed frame, 42-reel, 43-sunshade net, 44-fixed block, 411-connecting rod, 412-slide block, 413-chute, 414-baffle plate and 415-handle.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 and 2, an ecological ditch for submerged plants in a farmland comprises a ditch 1; submerged plants 2 are filled in the ditch 1, grids 3 are arranged on two sides of the ditch 1, and a sun shading device 4 is connected between the grids 3 and the grids 3; the sunshade 4 moves linearly along the grille 3.
Preferably, the submerged plant 2 is curly pondweed, bitter grass and potamogeton pectinatus L, which are mixed and planted in equal density, 3-5 potamogeton crispus L/square meter, curly pondweed is planted in 11-2 months in winter, and the bitter grass and the potamogeton pectinatus L are planted in 2-4 months in spring.
The sun shading device 4 is arranged on the upper end face of the grating 3.
The sunshade device 4 comprises a fixed block 44 and a fixed frame 41 which moves linearly along the grille 3, a winding drum 42 is arranged in the fixed frame 41, and a sunshade net 43 is wound on the winding drum 42; the fixing block 44 is fixed at one end of the grille 3, and one end of the sunshade net 43 is fixedly connected with the fixing block 44, as shown in fig. 2.
The upper end surface of the grid 3 is provided with a sliding groove 413, and the top of the sliding groove 413 is provided with an open shielding plate 414 to prevent the sliding block 412 from falling; the lower end surface of the fixed frame 41 is sequentially connected with a connecting rod 411 and a sliding block 412; the sliding block 412 is embedded in the sliding slot 413, and the size of the sliding block 412 matches with the size of the sliding slot 413, as shown in fig. 3.
One side of the ditch 1 is provided with a water inlet 11, the other side is provided with a water outlet 12, and one side of the water outlet 12 is provided with a semi-permeable dam 13.
The semi-permeable dam 13 comprises a water-impermeable layer 14, and a water-permeable layer 15 is arranged on the water-impermeable layer 14.
Preferably, the impermeable layer 14 is tamped clay, the permeable layer is a geotextile bag filled with fillers, and the fillers are mixtures of rice hulls, lignite, steel slag and ceramsite.
A handle 415 is provided at one side of the fixing frame 41 for easy holding, and the handles 415 are symmetrically provided along the center point of the fixing frame 41.
Specifically, the utility model discloses when using solar protection devices 4 in summer, pull fixed frame 41 through handle 415 and remove along the length direction of grid 3, arrange in irrigation canals and ditches body 1 top at this in-process sunshade net 43, and sunshade net 43's area is far greater than irrigation canals and ditches body 1's area.
To sum up, the utility model discloses set up solar protection devices at the top of grid, through removing fixed frame, make fixed frame inner drum at the removal in-process, cover the sunshade net of coiling on the reel in the top of submerged plant to make the irrigation canals and ditches have the sunshade function, reduced the submerged plant and taken place dead phenomenon in hot summer simultaneously.
Claims (10)
1. The utility model provides an ecological ditch for farmland submerged plant, includes ditch (1), its characterized in that: submerged plants (2) are filled in the ditch (1), grids (3) are arranged on two sides of the ditch (1), and a sun-shading device (4) is connected between the grids (3) and the grids (3); the sun-shading device (4) moves linearly along the grating (3).
2. The ecological ditch for farmland submerged plants as claimed in claim 1, characterized in that: the sun-shading device (4) is arranged on the upper end face of the grating (3).
3. The ecological ditch for farmland submerged plants as claimed in claim 1, characterized in that: the sunshade device (4) comprises a fixed block (44) and a fixed frame (41) which moves linearly along the grating (3), a winding drum (42) is arranged inside the fixed frame (41), and a sunshade net (43) is wound on the winding drum (42); the fixed block (44) is fixed at one end of the grid (3), and one end of the sunshade net (43) is fixedly connected with the fixed block (44).
4. The ecological ditch for farmland submerged plants as claimed in claim 1, characterized in that: the upper end face of the grid (3) is provided with a sliding groove (413), and the top of the sliding groove (413) is provided with an open shielding plate (414).
5. The ecological ditch for farmland submerged plants as claimed in claim 3, characterized in that: the lower end face of the fixed frame (41) is sequentially connected with a connecting rod (411) and a sliding block (412).
6. The ecological ditch for farmland submerged plants as claimed in claim 5, wherein: the sliding block (412) is matched with the sliding groove (413).
7. The ecological ditch for farmland submerged plants as claimed in claim 1, characterized in that: one side of the ditch (1) is provided with a water inlet (11), the other side of the ditch is provided with a water outlet (12), and one side of the water outlet (12) is provided with a semi-permeable dam (13).
8. The ecological ditch for farmland submerged plants as claimed in claim 7, wherein: the semi-permeable dam (13) comprises a water-impermeable layer (14), and a water-permeable layer (15) is arranged on the water-impermeable layer (14).
9. The ecological ditch for farmland submerged plants as claimed in claim 3, characterized in that: one side of the fixed frame (41) is provided with a handle (415).
10. The ecological ditch for farmland submerged plants as claimed in claim 3, characterized in that: the area of the sunshade net (43) is larger than that of the ditch (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921392305.6U CN210580331U (en) | 2019-08-26 | 2019-08-26 | Ecological ditch for submerged plants in farmland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921392305.6U CN210580331U (en) | 2019-08-26 | 2019-08-26 | Ecological ditch for submerged plants in farmland |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210580331U true CN210580331U (en) | 2020-05-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921392305.6U Active CN210580331U (en) | 2019-08-26 | 2019-08-26 | Ecological ditch for submerged plants in farmland |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210580331U (en) |
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2019
- 2019-08-26 CN CN201921392305.6U patent/CN210580331U/en active Active
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