CN210177647U - Urban rainwater ecological filter ditch - Google Patents
Urban rainwater ecological filter ditch Download PDFInfo
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- CN210177647U CN210177647U CN201920647001.3U CN201920647001U CN210177647U CN 210177647 U CN210177647 U CN 210177647U CN 201920647001 U CN201920647001 U CN 201920647001U CN 210177647 U CN210177647 U CN 210177647U
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- ecological filter
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- urban rainwater
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Abstract
The utility model relates to an urban rainwater ecological filtering ditch, which comprises a groove arranged at one side or two sides of an urban road and an ecological filtering ditch arranged in the groove; the ecological filter ditch sequentially comprises an impermeable layer, a drainage layer, a packing layer and a soil layer planted with green plants from bottom to top; a section of drain pipe is arranged at the bottom of the drainage layer at equal intervals; the wall of the drain pipe is provided with a water permeable hole; and a water pump and a water diversion pipe are installed at one end of the water drainage pipe, and the top of the water diversion pipe extends out of the soil layer and is connected with a group of spraying nozzles. The utility model has simple structure principle, convenient construction and strong practicability, and meets the requirement of urbanization construction; the accumulation in sunny days and the emission in rainy days are really realized, water resources are fully utilized, and the urban greening cost is saved. In addition, the method has the characteristics of strong randomness, strong burstiness and large pollution treatment runoff, and solves the problem of urban rainwater flow control.
Description
Technical Field
The utility model relates to an ecological ditch of straining of urban rainwater belongs to urban environment protection, resource utilization field.
Background
Along with the acceleration of the urbanization process, the impervious area of an urban area is increased, so that the storm runoff is increased, the confluence time is shortened, and a series of environmental problems such as urban non-point source pollution aggravation, urban waterlogging, rainwater resource loss, natural ecological degradation and the like are caused. How to reasonably design the ecological filter ditches to control the road surface runoff, reduce the urban rainfall runoff, purify the rainwater quality, balance the resource distribution problem caused by the two-pole differentiation of drought and waterlogging and the like according to the regional rainfall characteristics and the urban development layout is a hotspot problem of current research.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the shortcoming of the prior art is overcome, a design is more reasonable, ingenious city rainwater is ecological strains the ditch is provided.
In order to solve the technical problem, the utility model provides an urban rainwater ecological filter ditch, which comprises a groove arranged at one side or two sides of an urban road and an ecological filter ditch arranged in the groove; the ecological filter ditch sequentially comprises an impermeable layer, a drainage layer, a packing layer and a soil layer planted with green plants from bottom to top; a section of drain pipe is arranged at the bottom of the drainage layer at equal intervals; the wall of the drain pipe is provided with a water permeable hole; and a water pump and a water diversion pipe are installed at one end of the water drainage pipe, and the top of the water diversion pipe extends out of the soil layer and is connected with a group of spraying nozzles.
The utility model discloses the technical scheme who further injects is: the drain pipe is located the bottom intermediate position of slot, and the bottom both sides of slot all downward sloping to the centre.
Further, the drainage layer comprises an upper drainage layer and a lower drainage layer, wherein the upper drainage layer is a gravel layer with the particle size of 5-10mm, and the lower drainage layer is a ceramic particle layer with the particle size of 3-5 mm.
Further, the filler layer is a mixed filler layer or a layered filler layer; the mixed packing layer comprises sand and organic matters from top to bottom; the layered packing layer sequentially comprises sand, humus, slag and fly ash from top to bottom.
Furthermore, geotextile is respectively arranged between the soil layer and the packing layer and between the packing layer and the drainage layer.
Further, the outer wall of the drain pipe is wrapped with permeable geotextile.
Furthermore, the edge interval of slot is equipped with into water notch, it is equipped with the buffer board to incline between water notch and the soil horizon to advance.
Further, the barrier layer is made of polyvinyl chloride film.
Furthermore, the longitudinal section of the groove is in an isosceles trapezoid structure.
The utility model has the advantages that: the utility model has simple structure principle, convenient construction and strong practicability, and meets the requirement of urbanization construction; the accumulation in sunny days and the emission in rainy days are really realized, water resources are fully utilized, and the urban greening cost is saved. In addition, the method has the characteristics of strong randomness, strong burstiness and large pollution treatment runoff, and solves the problem of urban rainwater flow control.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is the longitudinal section schematic view of the ecological ditch structure of embodiment 1 of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example 1
The urban rainwater ecological filter ditch provided by the embodiment is shown in figures 1-2: the ecological filter at least comprises a groove 12 arranged on one side or two sides of an urban road and an ecological filter ditch arranged in the groove; the ecological filter ditch sequentially comprises an impermeable layer 1, a drainage layer, a filler layer 6 and a soil layer 7 planted with green plants from bottom to top; a section of drain pipe 3 is arranged at the bottom of the drainage layer at equal intervals; the wall of the drain pipe is provided with a water permeable hole; the water pump 2 and the water diversion pipe 9 are installed at one end of the water drainage pipe, and the top of the water diversion pipe extends out of the soil layer and then is connected with a group of spraying nozzles 10.
It is further preferred in this embodiment that the drain pipe 3 is located at the middle position of the bottom of the trench, and both sides of the bottom of the trench and the impermeable layer are inclined downwards to the middle.
It is further preferred in this embodiment that the drainage layer comprises an upper drainage layer 5 and a lower drainage layer 4, the upper drainage layer being a gravel layer having a particle size of 5 to 10mm, and the lower drainage layer being a ceramic layer having a particle size of 3 to 5 mm. The double-layer drainage structure can effectively improve the effect of intercepting pollutants.
In this embodiment, it is further preferable that the packing layer 6 is a mixed packing layer or a layered packing layer; the mixed packing layer comprises sand and organic matters from top to bottom; the layered packing layer sequentially comprises sand, humus, furnace slag and fly ash from top to bottom.
In this embodiment, it is further preferable that geotextiles are respectively disposed between the soil layer and the packing layer and between the packing layer and the drainage layer.
In this embodiment, it is further preferable that the outer wall of the drain pipe is wrapped with a water-permeable geotextile.
It is further preferred in this embodiment that the edge of the groove is provided with water inlet notches 8 at intervals, and a buffer plate 11 is obliquely arranged between the water inlet notches and the soil layer to buffer the impact of rainwater on the soil layer and plants.
It is further preferred in this embodiment that the barrier layer in this embodiment is a polyvinyl chloride film.
In this embodiment, it is further preferable that the longitudinal section of the groove is in an isosceles trapezoid structure with a narrow top and a wide bottom. The water storage capacity of the bottom is increased.
The ecological ditch bottom of straining of this embodiment has fabulous water storage capacity, sets up the spray nozzle simultaneously and can regularly be for purifying road air when the vegetation waters, beautifies the environment when practicing thrift ecological cost. And the operation is simple, the cost is low, and the management is convenient.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (8)
1. The utility model provides an ecological ditch of straining of urban rainwater, is including setting up at urban road one side or the both sides slot, its characterized in that: the ecological filter ditch is arranged in the groove; the ecological filter ditch sequentially comprises an impermeable layer, a drainage layer, a packing layer and a soil layer planted with green plants from bottom to top; a section of drain pipe is arranged at the bottom of the drainage layer at equal intervals; the wall of the drain pipe is provided with a water permeable hole; and a water pump and a water diversion pipe are installed at one end of the water drainage pipe, and the top of the water diversion pipe extends out of the soil layer and is connected with a group of spraying nozzles.
2. The urban rainwater ecological filter trench according to claim 1, characterized in that: the drain pipe is located the bottom intermediate position of slot, and the bottom both sides of slot all downward sloping to the centre.
3. The urban rainwater ecological filter trench according to claim 2, characterized in that: the drainage layer comprises an upper drainage layer and a lower drainage layer, wherein the upper drainage layer is a gravel layer with the particle size of 5-10mm, and the lower drainage layer is a ceramic particle layer with the particle size of 3-5 mm.
4. The urban rainwater ecological filter trench according to claim 3, characterized in that: and geotextiles are respectively arranged between the soil layer and the packing layer and between the packing layer and the drainage layer.
5. The urban rainwater ecological filter trench according to claim 4, characterized in that: and the outer wall of the drainage pipe is wrapped with permeable geotextile.
6. The urban rainwater ecological filter trench according to claim 5, characterized in that: the edge interval of slot is equipped with into water notch, it is equipped with the buffer board to one side between water notch and the soil horizon to advance.
7. The urban rainwater ecological filter trench according to claim 6, characterized in that: the barrier layer is made of polyvinyl chloride film.
8. The urban rainwater ecological filter trench according to claim 7, characterized in that: the longitudinal section of the groove is of an isosceles trapezoid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647001.3U CN210177647U (en) | 2019-05-05 | 2019-05-05 | Urban rainwater ecological filter ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920647001.3U CN210177647U (en) | 2019-05-05 | 2019-05-05 | Urban rainwater ecological filter ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210177647U true CN210177647U (en) | 2020-03-24 |
Family
ID=69832646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920647001.3U Expired - Fee Related CN210177647U (en) | 2019-05-05 | 2019-05-05 | Urban rainwater ecological filter ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210177647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142308A (en) * | 2022-06-23 | 2022-10-04 | 扬州市建筑设计研究院有限公司 | Greening rooting rejuvenation expansion type road structure and construction method thereof |
-
2019
- 2019-05-05 CN CN201920647001.3U patent/CN210177647U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142308A (en) * | 2022-06-23 | 2022-10-04 | 扬州市建筑设计研究院有限公司 | Greening rooting rejuvenation expansion type road structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200324 Termination date: 20210505 |