CN204040162U - A kind of collection for city inland river rainfall runoff and cleaning system - Google Patents
A kind of collection for city inland river rainfall runoff and cleaning system Download PDFInfo
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- CN204040162U CN204040162U CN201420348342.8U CN201420348342U CN204040162U CN 204040162 U CN204040162 U CN 204040162U CN 201420348342 U CN201420348342 U CN 201420348342U CN 204040162 U CN204040162 U CN 204040162U
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- inland river
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Abstract
The utility model discloses a kind of collection for city inland river rainfall runoff and cleaning system, comprise the grid set gradually, sedimentation basin and vegetation infiltration bed, and described grid, sedimentation basin is communicated with by grass planting ditch with vegetation infiltration bed, the vegetable layer set gradually is comprised in described vegetation infiltration bed, packing layer, geotechnique's layer of cloth, be enclosed with iron wire supporting layer and the supporting bracket of plastics, described vegetation infiltration also comprises the stack arranging and run through described vegetation infiltration bed from top to bottom in wearing, aqua storage tank below supporting bracket and the outlet pipe being communicated with aqua storage tank and inland river, pass through grid, the initial stage process of sedimentation basin, the osmosis of damming of bed is permeated again by grass planting ditch and vegetation, evolution purification is carried out to Runoff, reach and cut down rainwater pollution load, control the object of city inland river pollution of area source, the described collection for city inland river rainfall runoff and cleaning system, also can realize delaying surface flow, reach the object of certain environment aesthetic values.
Description
Technical field
The utility model relates to a kind of collection for city inland river rainfall runoff and cleaning system.
Background technology
Urban rainwater is the natural water resources in city area, and being the effective way solving city water resource shortage, reduce city big flood to the utilization of urban rainwater, is also the important component part improving urban ecological environment.Controlled with runoff pollution if can utilize, Improvement of Ecological Environment combines, then can produce benefit widely, and greatly promote the sustainable development of the city.
Instantly, city rainfall runoff has become the important pollution sources of the receiving water bodies such as city inland river.Control method conventional is at present the infiltration, the catharsis that utilize osmosis plant.The osmosis plant that city is commonly used has greenery patches, infiltration ground and subsurface wastewater infiltration system pond, pipe, ditch, canal etc.Osmosis plant can design separately, also can combine design, but often kind of osmosis plant all requires suitable condition, grass planting ditch is the view earth's surface irrigation canals and ditches drainage system of plantation vegetation, surface flow is detained through grass planting ditch with lower flow velocity, plant is filtered and the effect of infiltration, the most suspended particulate contaminants in rainfall runoff and be partly dissolved state pollutant and be able to effective removal.Vegetation infiltration ditch sets up sandstone filter bed in the bottom of grass planting ditch, utilize ground flora, soil and artificial filtering layer dam and osmosis strengthens the penetrating power on earth's surface.Both all can collect and purifying rainwater runoff, but in independent engineer applied, treatment effect is not very desirable.
Utility model content
It is lower that the purpose of this utility model is to provide a kind of cost, and construction, easy maintenance, can delay surface flow, cut down rainwater pollution load, control city inland river pollution of area source, and there is the technology of certain environment aesthetic values, be applied to collection and the cleaning system of city inland river rainfall runoff.
For reaching this object, the utility model by the following technical solutions:
A kind of collection for city inland river rainfall runoff and cleaning system, comprise the grid, sedimentation basin and the vegetation infiltration bed that set gradually, and described grid, sedimentation basin are communicated with by grass planting ditch with vegetation infiltration bed, comprise the vegetable layer, packing layer, geotechnological layer of cloth, the iron wire supporting layer being enclosed with plastics and the supporting bracket that set gradually in described vegetation infiltration bed, described vegetation infiltration also comprises the stack, aqua storage tank below supporting bracket and the outlet pipe being communicated with aqua storage tank and inland river that arrange and run through described vegetation infiltration bed from top to bottom in wearing.
Further, the cross section of described grass planting ditch is trapezoidal, comprises dirt bed and be planted in the grass planting layer on dirt bed in described grass planting ditch.
Preferably, the grass planting in described grass planting ditch adopts the resistance to sedge flooded
Further, the cross section of described vegetation infiltration bed is trapezoidal, described vegetable layer is planted on infiltration bed wall, described packing layer comprises the zeolite layer, granule rock layers, boulderet rock layers, the cobble rock layers that set gradually from top to bottom, the described geotechnological layer of cloth for antiseepage is laid on packing layer surrounding, and the described iron wire supporting layer being surrounded by plastics for spacer filler layer and aqua storage tank is arranged on the supporting bracket be fixed on infiltration bed.
Preferably, the packing material size of the zeolite layer of described packing layer, granule rock layers, boulderet rock layers, cobble rock layers is respectively 4mm, 5mm, 15mm and 40mm.
Preferably, the vegetation in described vegetation infiltration bed adopts hygrophyte yellow flag.
Further, described vegetation infiltration the medianly zygomorphic of bed is provided with one group of grid, sedimentation basin and the grass planting ditch for being communicated with.
Further, during two grids that described vegetation infiltration bed both sides are arranged all adopt, grid, described two sedimentation basins all adopt horizontal sedimentation tank.
The beneficial effects of the utility model are: processed by the initial stage of grid and sedimentation basin that utilizes of design, soil, the damming and osmosis of vegetation and packing layer, strengthen the clean-up effect to Runoff, by physical chemistry and biological agent, sedimentation absorption and biological metabolism process are carried out to the pollutant in runoff, reaches and cut down rainwater pollution load, control the object of city inland river pollution of area source, and can surface flow be delayed, the vegetation planted in addition has the aesthetics of environment to be worth.
Accompanying drawing explanation
Fig. 1 be the utility model detailed description of the invention provide for the collection of city inland river rainfall runoff and the top view of cleaning system;
Fig. 2 is the sectional view of the vegetation infiltration bed that the utility model detailed description of the invention provides;
Fig. 3 is the sectional view of the grass planting ditch that the utility model detailed description of the invention provides.
In figure, 1, middle grid; 2, grass planting ditch; 21, dirt bed; 22, grass planting layer; 3, horizontal sedimentation tank; 4, vegetation infiltration bed; 41, packing layer; 42, stack; 43, outlet pipe; 44, vegetable layer; 45, geotechnological layer of cloth; 46, iron wire supporting layer; 47, supporting bracket; 48, aqua storage tank.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, the described collection for city inland river rainfall runoff and cleaning system, comprise two middle grids 1, two horizontal sedimentation tanks 3 and vegetation infiltration bed 4, described middle grid 1, horizontal sedimentation tank 3 is communicated with by grass planting ditch 2 with vegetation infiltration bed 4, the vegetable layer 44 set gradually from top to bottom is comprised in described vegetation infiltration bed 4, packing layer 41, geotechnique's layer of cloth 45, be enclosed with the iron wire supporting layer 46 of plastics, supporting bracket 47, aqua storage tank 48, also comprise the stack 42 and the outlet pipe 43 being communicated with aqua storage tank 48 and inland river that arrange and run through described vegetation infiltration bed 4 from top to bottom.
Described middle grid 1 is communicated with horizontal sedimentation tank 3 and is communicated to vegetation infiltration bed 4 again, and described vegetation infiltration bed 4 is each side provided with grid 1 in a group, horizontal sedimentation tank 3 and the grass planting ditch 2 for being communicated with.
As shown in Figure 2, the cross section of described vegetation infiltration bed 4 is trapezoidal, the vegetable layer 44 arranged in described vegetation infiltration bed 4 is planted on the wall of vegetation infiltration bed 4, described vegetation adopts hygrophyte yellow flag, described packing layer 41 comprises the zeolite layer set gradually from top to bottom, granule rock layers, boulderet rock layers, cobble rock layers, packing material size in described each layer is respectively 4mm, 5mm, 15mm and 40mm, the surrounding of described packing layer 41 is equipped with the geotechnological layer of cloth 45 of antiseepage, supporting bracket 47 is provided with below described packing layer 41, described supporting bracket 47 is provided with the iron wire supporting layer 46 of parcel plastics, described iron wire supporting layer 46 is for separating the aqua storage tank 48 arranged below described packing layer 41 and supporting bracket 47, the side of described aqua storage tank 48 is connected with the outlet pipe 43 water purified being entered inland river, the stack 42 arranging and run through described vegetation infiltration bed 4 is also provided with from top to bottom in described vegetation infiltration bed 4, for providing the oxygen needed for microbial degradation and discharging the waste gas produced.
As shown in Figure 3, the cross section that described grass planting ditch 2 is is also for trapezoidal, and the grass planting layer 22 comprising dirt bed 21 in described grass planting ditch 2 and be planted on dirt bed 21, described grass planting adopts the resistance to sedge flooded.
Embodiment one
Simulated rainfall intensity is 12mm/d, then described to the collection of city inland river rainfall runoff and the design parameters of cleaning system as follows:
Middle grid 1 design parameters is as follows:
The depth of water before grid: 0.4m
Water inlet width: 0.5m
Grizzly bar gap width: 0.025m
Grill width: 0.02m
Grizzly bar section configuration: square
Grid inclination angle: 60 °
Rectangular sedimentation tank 3 design parameters is as follows:
Hydraulic surface loading: 1.5m
3/ (m
2h)
Sedimentation time: 1h
Sedimentation basin superelevation: 0.1m
Sedimentation basin cushion coat height: 0.1m
Storage bucket inclination angle: 40 °
Baffle position: the place's baffle plate that becomes a mandarin is apart from import 0.2m, and water outlet place baffle plate is apart from outlet 0.1m
The design parameters of grass planting ditch 2 is as follows:
Water catchment area size: length 500m, width 50m
Grass planting ditch 2 size: length 500m
Transverse shape: trapezoidal
Cross dimension: bottom side length 0.2, height 0.4m, the hypotenuse gradient 8/3
Soil permeability coefficient: 2.59 × 10
-8m/s
Safety factor: 0.5
Hydraulic gradient: 1
Rainfall duration: 24h
Mean water: 1/2 height water level
Vegetation infiltration bed 4 design parameters:
Void content: 0.4
Hydraulic detention time: 2h
Transverse shape: trapezoidal
The cross section gradient: 2
Length: 6m
Packing layer 41 height: 0.8m
The thickness of packing layer 41 different filler from top to bottom: 0.1m, 0.15m, 0.25m, 0.3m
Packing layer 41 base width: 2.4m
Packing layer 41 top is apart from horizontal plane height: 0.1m
Aqua storage tank 48 height: 0.4m
Aqua storage tank 48 bottom width: 2m
Stack 42: diameter 200mm, length 1m
Outlet pipe 43: adopt HDPE double-wall corrugated pipe, diameter 400mm, arranges one along vegetation infiltration bed 4 length direction every 1m.
Below only with embodiment, the utility model is illustrated, but the utility model is not limited to above-mentioned size and outward appearance illustration, more should form any restriction of the present utility model.As long as any improvement do the utility model or modification all belong within the protection domain of the utility model claim opinion.
Claims (8)
1. the collection for city inland river rainfall runoff and cleaning system, it is characterized in that: comprise the grid, sedimentation basin and the vegetation infiltration bed that set gradually, and described grid, sedimentation basin are communicated with by grass planting ditch with vegetation infiltration bed, comprise the vegetable layer, packing layer, geotechnological layer of cloth, the iron wire supporting layer being enclosed with plastics and the supporting bracket that set gradually in described vegetation infiltration bed, described vegetation infiltration also comprises the stack, aqua storage tank below supporting bracket and the outlet pipe being communicated with aqua storage tank and inland river that arrange and run through described vegetation infiltration bed from top to bottom in wearing.
2. the collection for city inland river rainfall runoff according to claim 1 and cleaning system, is characterized in that: the cross section of described grass planting ditch is trapezoidal, comprises dirt bed and be planted in the grass planting layer on dirt bed in described grass planting ditch.
3. the collection for city inland river rainfall runoff according to claim 2 and cleaning system, is characterized in that: the grass planting in described grass planting ditch adopts the resistance to sedge flooded.
4. the collection for city inland river rainfall runoff according to claim 1 and cleaning system, it is characterized in that: the cross section of described vegetation infiltration bed is trapezoidal, described vegetable layer is planted on vegetation infiltration bed wall, described packing layer comprises the zeolite layer, granule rock layers, boulderet rock layers, the cobble rock layers that set gradually from top to bottom, the described geotechnological layer of cloth for antiseepage is laid on packing layer surrounding, and the iron wire supporting layer of the described parcel plastics for spacer filler layer and aqua storage tank is arranged on the supporting bracket be fixed on vegetation infiltration bed.
5. the collection for city inland river rainfall runoff according to claim 4 and cleaning system, is characterized in that: the packing material size of the zeolite layer of described packing layer, granule rock layers, boulderet rock layers, cobble rock layers is respectively 4mm, 5mm, 15mm and 40mm.
6. the collection for city inland river rainfall runoff according to claim 4 and cleaning system, is characterized in that: the vegetation in described vegetation infiltration bed adopts hygrophyte yellow flag.
7. the collection for city inland river rainfall runoff according to claim 1 and cleaning system, is characterized in that: described vegetation infiltration the medianly zygomorphic of bed is provided with one group of grid, sedimentation basin and the grass planting ditch for being communicated with.
8. the collection for city inland river rainfall runoff according to claim 1 or 7 and cleaning system, is characterized in that: during two grids that described vegetation infiltration bed both sides are arranged all adopt, grid, described two sedimentation basins all adopt horizontal sedimentation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420348342.8U CN204040162U (en) | 2014-06-25 | 2014-06-25 | A kind of collection for city inland river rainfall runoff and cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420348342.8U CN204040162U (en) | 2014-06-25 | 2014-06-25 | A kind of collection for city inland river rainfall runoff and cleaning system |
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| Publication Number | Publication Date |
|---|---|
| CN204040162U true CN204040162U (en) | 2014-12-24 |
Family
ID=52240846
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420348342.8U Expired - Fee Related CN204040162U (en) | 2014-06-25 | 2014-06-25 | A kind of collection for city inland river rainfall runoff and cleaning system |
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| Country | Link |
|---|---|
| CN (1) | CN204040162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631603A (en) * | 2014-12-31 | 2015-05-20 | 上海勘测设计研究院有限公司 | Surface source ecological purification system |
| CN108371058A (en) * | 2018-04-23 | 2018-08-07 | 中国电建集团成都勘测设计研究院有限公司 | Grass planting ditch structure with water holding function |
-
2014
- 2014-06-25 CN CN201420348342.8U patent/CN204040162U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631603A (en) * | 2014-12-31 | 2015-05-20 | 上海勘测设计研究院有限公司 | Surface source ecological purification system |
| CN108371058A (en) * | 2018-04-23 | 2018-08-07 | 中国电建集团成都勘测设计研究院有限公司 | Grass planting ditch structure with water holding function |
| CN108371058B (en) * | 2018-04-23 | 2023-08-22 | 中国电建集团成都勘测设计研究院有限公司 | Grass planting ditch structure with water holding function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141224 Termination date: 20170625 |