CN107893469A - One kind oozes row's integral system based on sponge urban rainwater - Google Patents
One kind oozes row's integral system based on sponge urban rainwater Download PDFInfo
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- CN107893469A CN107893469A CN201711114009.5A CN201711114009A CN107893469A CN 107893469 A CN107893469 A CN 107893469A CN 201711114009 A CN201711114009 A CN 201711114009A CN 107893469 A CN107893469 A CN 107893469A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0403—Gullies for use in roads or pavements with a sediment trap
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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Abstract
The invention discloses a kind of integral system that row is oozed based on sponge urban rainwater, the integral system that row is oozed based on sponge urban rainwater includes grass-planting ecological ditch, concave herbaceous field, Rain Garden, main sewer, catch-basin, sump and garden road；The grass-planting ecological ditch is set along garden Road Edge, concave herbaceous field is arranged at hypsography low-lying, the Rain Garden is arranged on the inside of greenery patches, grass-planting ecological ditch overflow pipe and catch-basin are provided with the grass-planting ecological ditch, sump is provided between the concave herbaceous field and Rain Garden, the grass-planting ecological ditch is connected with Rain Garden by main sewer, and the Rain Garden and concave herbaceous field are by main sewer by rainwater-collecting to sump.The infiltration rate of effectively lifting rainwater of the invention, reduces rainfall runoff, improves Rainwater Quality, can be directly used for green area irrigation, rainwater cyclic utilization rate is high, saving water resource.
Description
Technical field
The present invention relates to shunting draining technology field, more particularly, to a kind of integration that row is oozed based on sponge urban rainwater
System.
Background technology
With the continuous development of urbanization, the life to city brings certain environmental problem, such as urban waterlogging, rain at initial stage
The problems such as water pollution, black-odor riverway.Process of Urbanization Construction is that greenery patches is reduced in city, and underlying surface hardening aggravates, and rainfall runoff adds
Speed, rainwater infiltration rate reduction, increase urban inner System drainage pressure.Rain drop erosion road surface, substantial amounts of pollutant is carried, with
And industrial wastewater not qualified discharge, aggravate the black smelly problem of city river.With the proposition of sponge the idea of the city, can effectively delay
The environmental problem that solution High-speed Urbanization is brought.Sponge urban construction theory meets city ecology construction guideline, it is ensured that
On the premise of Urban Waterlogging safety, realize the water suction to rainwater, water storage, infiltration, water purification purpose, it is necessary to when the water stored is followed
Ring utilizes, and promotes the utilization and ecological environmental protection of water resource.
For traditional municipal drainage facility based on hard water channel, rainwater is exhausted directly to drainpipe, reduces and is oozed under rainwater, rain
Water does not utilize reasonably, causes the wasting of resources.In order to improve the utilization rate of rainwater, with depression, ecological pool, pervious surface,
A series of greenery patches treatment technologies such as Rain Garden are stagnant to rainwater progress, store, ooze processing, effective to lift rainwater cyclic utilization rate.
Wherein Rain Garden as a kind of ecological sustainability rainwater control with the green facility that utilizes, have and the function such as ooze, filter, storing, arranging,
Rainfall runoff speed is reduced, effectively improves rainwater infiltration filter, improves the utilization rate of rainwater, harmonizing nature precipitation, surface water, underground
The circulation of water, moreover it is possible to improve environment miniclimate.These technologies are from rainwater Sources controlling and solve, and the destruction ring of minimum degree
Border.
At present, rainwater and the general of surface water are discharged into storm sewer, or are discharged into rainwater after being handled by Rain Garden
Pipeline, but these processing modes, first, directly discharging, increase municipal storm sewer discharge pressure, increase there is also some shortcomings
Urban waterlogging probability；Second, rainwater can not bring pollutant into by processing directly discharge, water environment is destroyed；Third, even if pass through
Existing Rain Garden technical finesse, without rational filtration system, the pollutant in rainwater is still higher, directly discharges, again
Polluted source.
The content of the invention
Regarding the issue above, the present invention provides a kind of rainwater cyclic utilization rate is high based on sponge urban rainwater
Ooze the integral system of row.
To reach above-mentioned purpose, present invention employs following technical proposal：One kind of the present invention is based on sponge urban rainwater
Ooze the integral system of row, it is described the integral system of row to be oozed based on sponge urban rainwater to include grass-planting ecological ditch, up concave type green
Ground, Rain Garden, main sewer, catch-basin, sump and garden road；The grass-planting ecological ditch is set along garden Road Edge, recessed
Formula greenery patches is arranged at hypsography low-lying, and the Rain Garden is arranged on the inside of greenery patches, and ecology is provided with the grass-planting ecological ditch
Grass planting ditch overflow pipe and catch-basin, sump, the grass-planting ecological ditch are provided between the concave herbaceous field and Rain Garden
Be connected with Rain Garden by main sewer, the Rain Garden and concave herbaceous field by main sewer by rainwater-collecting extremely
Sump.The rainwater reusable edible of collection；Rainwater is converged, by filtering, precipitating, permeating, the effect such as plant absorption, cuts down rain
Water pollutant, reach purification, regulate and control the effect of rainwater.For afforestation, recycle.
The integral system of row is oozed based on sponge urban rainwater above-mentioned, the grass-planting ecological ditch is up concave type ditch
Groove, the grass-planting ecological ditch are disposed with the first vegetable layer, the first boulder bed, the first planting soil layer, the first soil from top to bottom
Work layer of cloth, the first gravel layer and the first plain soil layer, the first perforated pipe are provided with the middle part of first gravel layer, described first wears
Double-deck permeable geotextile layer is enclosed with the pipe of hole.
The integral system of row is oozed based on sponge urban rainwater above-mentioned, the concave herbaceous field is from top to bottom successively
It is provided with the second vegetable layer, the second planting soil layer, the first filter layer, the second gravel layer and the second plain soil layer, second gravel
The middle part of layer is provided with the second perforated pipe.Second perforated pipe is located at the second gravel layer, and the second perforated pipe is enclosed with double-deck permeable soil
Work cloth, by main sewer by rainwater catchment to sump.
The integral system of row is oozed based on sponge urban rainwater above-mentioned, the Rain Garden sets successively from top to bottom
It is equipped with the 3rd vegetable layer, the second boulder bed, the third plant soil layer, the second filter layer, the second permeable geotextile layer, aquifer, soil
Work film, the 3rd gravel layer and the 3rd plain soil layer；
The second permeable geotextile layer is provided with above the aquifer, the surrounding of the aquifer and lower surface are wrapped up
Geomembrane；
The aquifer is rainwater-collecting module, and the rainwater-collecting module is pp rainwater modules, the rainwater-collecting mould
The bottom of block is provided with Rain Garden aquifer drainpipe, and the top of the rainwater-collecting module is connected with Rain Garden overflow pipe
Connect, the Rain Garden aquifer drainpipe is by rainwater-collecting to sump.
The integral system of row is oozed based on sponge urban rainwater above-mentioned, the depth of the grass-planting ecological ditch is 150-
The side slope ratio of 250mm, greenery patches and the grass-planting ecological ditch junction is 1:4；20 meters are provided with gap, and gap
Top be higher by the ditch basal surface 150mm of grass-planting ecological ditch；Cobble a diameter of 20-50mm of first boulder bed, described
The thickness of one boulder bed is 50mm；First planting soil layer is formula soil horizon；The formula soil horizon is by humus, table
Soil, fine sand mix, and the mass ratio of the humus, table soil and fine sand is 3:3:4, it is described formula soil horizon thickness be
200mm；The grain size of gravel of first gravel layer is 30-50mm, and the thickness of first gravel layer is 150-250mm.
The integral system of row is oozed based on sponge urban rainwater above-mentioned, the pp rainwater module is that ponding is permeable
Cage, the caliber of grass-planting ecological ditch overflow pipe is 90-110mm, and the first overfall, institute are provided with the grass-planting ecological ditch overflow pipe
State and the first grid screen is provided with above the first overfall, the aperture of the first grid screen is 3-5mm；The pipe of first perforated pipe
Footpath is D110-200mm, and the trend of the first perforated pipe is consistent with the trend of grass-planting ecological ditch, and the aperture of first perforated pipe is
3-5mm, the aperture on the first perforated pipe is annular, and the first permeable geotextile layer is 200g/m2Geotextiles, the first perforated pipe
It is connected with catch-basin, rainwater is drained into by Rain Garden by main sewer.
The integral system of row is oozed based on sponge urban rainwater above-mentioned, the side slope ratio of second planting soil layer is
1:5, the recessed depth of the concave herbaceous field is 200-300mm, and the ratio of slope in the concave herbaceous field and greenery patches is 1:6；
Second planting soil layer is formula soil horizon；The formula soil horizon is mixed by humus, table soil, fine sand, the corruption
The mass ratio for growing matter, table soil and fine sand is 3:3:4, the thickness of the formula soil horizon is 200mm；The material of first filter layer
Matter is mixed by haydite, middle sand and activated carbon, and the thickness of first filter layer is 100-150mm.
The integral system of row is oozed based on sponge urban rainwater above-mentioned, the caliber of second perforated pipe is
D110-200mm, the aperture of second perforated pipe are 3-5mm, and the aperture on second perforated pipe is annular, described second
Perforated pipe is outer covered with double-deck permeable geotextile layer, and the permeable geotextile layer is 200g/m2Geotextiles.
The integral system of row is oozed based on sponge urban rainwater above-mentioned, kind is implanted with plant on the 3rd vegetable layer
Thing, the planting density of the plant is 20-25 strains/m2, the plant is that resistance to water logging plant or drought-resistant plant are one or more of
Combination；The Rain Garden is up concave type, and the recessed depth of the Rain Garden is 400-500mm, the Rain Garden with
The side slope ratio in greenery patches is 1:6；The third side slope ratio for planting soil layer is 1:5, described the third plants soil layer for formula soil horizon；It is described
Formula soil horizon is mixed by humus, table soil, fine sand, and the mass ratio of the humus, table soil and fine sand is 3:3:4, match somebody with somebody
The thickness of square soil horizon is 400-500mm.
The integral system of row is oozed based on sponge urban rainwater above-mentioned, the plant be Arundo donax, canna,
One or more of combinations in cyperus alternifolius, iris or green bristlegrass；The material of second filter layer is by haydite, middle sand and activity
Charcoal mixes, and the thickness of the second filter layer is 100-150mm；The second permeable geotextiles are 200g/m2Geotextiles；
The height of the aquifer is 1000mm, and the caliber of the Rain Garden overflow pipe is D200mm, the rainwater flower
The second overfall is provided with the overflow pipe of garden, is provided with the second grid screen above the second overfall, the aperture of the second grid screen is
3-5mm；The grain size of gravel of second gravel layer and the 3rd gravel layer is 30-50mm, second gravel layer and the 3rd gravel
The thickness of layer is 150-250mm.
Beneficial effect：The infiltration rate of effectively lifting rainwater of the invention, reduces rainfall runoff, improves Rainwater Quality, can
Green area irrigation is directly used in, rainwater cyclic utilization rate is high, saving water resource.
Compared with prior art, the invention has the advantages that：
(1) in the case of nature falls in water, rainwater is flowed into grass-planting ecological ditch, concave herbaceous field, Rain Garden, passes through suction
The effect such as receive, purify, storing, effectively lifting the infiltration rate of rainwater, reduce rainfall runoff, supplement following for surface and ground water
Ring.
(2) water that grass-planting ecological ditch structural base stores drains into Rain Garden, purifies, stores again, effectively reduces city
Political affairs discharge pressure, also improves Rainwater Quality, can be directly used for green area irrigation, improves rainwater cyclic utilization rate, saving water resource.
Brief description of the drawings
Fig. 1 is the general plane schematic diagram of the present invention；
Fig. 2 is the structural representation of the grass-planting ecological ditch of the present invention；
Fig. 3 is the structural representation of the concave herbaceous field of the present invention；
Fig. 4 is the Rain Garden structural representation of the present invention；
In figure, 1 grass-planting ecological ditch, 2 concave herbaceous fields, 3 Rain Gardens, 4 main sewers, 5 catch-basins, 6 sumps, 7 gardens
Road, 8 grass-planting ecological ditch overflow pipes, 11 first vegetable layers, 12 first boulder beds, 13 first planting soil layers, 14 first permeable geotechniques
Layer of cloth, 15 first gravel layers, 16 first plain soil layers, 17 first perforated pipes, 21 second vegetable layers, 22 second planting soil layers, 23
One filter layer, 24 second perforated pipes, 25 second gravel layers, 26 second plain soil layers, 31 the 3rd vegetable layers, 32 second boulder beds, 33
The third plants soil layer, 34 second filter layers, 35 second permeable geotextile layers, 36 aquifers, 37 geo membrane layers, 38 the 3rd gravels
Layer, 39 the 3rd plain soil layers, 40 water inlet pipes, 41 Rain Garden aquifer drainpipes, 42 Rain Garden overflow pipes.
Embodiment
Following examples only exist in illustrative purpose, without being intended to limit the scope of the present invention.
Embodiment 1
As Figure 1-4, a kind of integral system that row is oozed based on sponge urban rainwater of the invention, it is described to be based on sponge
The integral system that urban rainwater oozes row includes grass-planting ecological ditch 1, concave herbaceous field 2, Rain Garden 3, main sewer 4, rainwater
Well 5, sump 6 and garden road 7；The grass-planting ecological ditch 1 is arranged on the side on garden road 7, the grass-planting ecological ditch 1 along garden road
7 tendencies are laid, and concave herbaceous field 2 is arranged at hypsography low-lying, and the Rain Garden 3 is arranged on the inside of greenery patches, and the ecology is planted
Grass-planting ecological ditch overflow pipe 8 and catch-basin 5 are provided with careless ditch 1, is provided between the concave herbaceous field 2 and Rain Garden 3
Sump 6, the grass-planting ecological ditch 1 are connected with Rain Garden 3 by main sewer 4.The Rain Garden 3 and up concave type
Greenery patches 2 is by main sewer 4 by rainwater-collecting in sump 6.The system convergence rainwater of the present invention, by filtering, precipitating, oozing
Thoroughly, plant absorption etc. acts on, and cuts down rain water pollutant, reaches purification, regulates and controls the effect of rainwater.
The grass-planting ecological ditch 1 is up concave type groove, and the grass-planting ecological ditch 1 is disposed with the first vegetation from top to bottom
The 11, first boulder bed 12 of layer, the first planting soil layer 13, the first geotextile layer, the first gravel layer 15 and the first plain soil layer 16, it is described
The middle part of first gravel layer 15 is provided with the first perforated pipe 17, and the first perforated pipe 17 wraps up double-deck permeable geotextiles, by collection
Rainwater discharges into catch-basin 5, and Rain Garden 3 is discharged to by main sewer 4.
The concave herbaceous field 2 is disposed with the second vegetable layer 21, the filtering of the second planting soil layer 22, first from top to bottom
The 23, second gravel layer 25 of layer and the second plain soil layer 26, the middle part of second gravel layer 25 are provided with the second perforated pipe 24.Second
Perforated pipe 24 is located at the second gravel layer 25, and the second perforated pipe 24 wraps up double-deck permeable geotextiles, rainwater is converged by main sewer 4
Collect sump 6.
The Rain Garden 3 is disposed with the 3rd vegetable layer 31, the second boulder bed 32, the third plant soil layer from top to bottom
33rd, the second filter layer 34, the second permeable geotextile layer 35, aquifer 36, the gravel layer 38 of geomembrane 37 the 3rd and the 3rd plain soil layer
39；
The top of the aquifer 36 is provided with the second permeable geotextile layer 35, the surrounding and following table of the aquifer 36
Wrap up geomembrane 37 in face；
The aquifer 36 is rainwater-collecting module, and the rainwater-collecting module is pp rainwater modules, the rainwater-collecting
The bottom of module is provided with Rain Garden aquifer drainpipe 41, top and the Rain Garden overflow pipe of the rainwater-collecting module
42 are connected, and the Rain Garden aquifer drainpipe 41 is by rainwater-collecting to sump 6.
The depth of the grass-planting ecological ditch 1 is 200mm, and the side slope ratio of greenery patches and the junction of grass-planting ecological ditch 1 is 1:
4；20 meters are provided with gap, and the ditch basal surface 150mm of grass-planting ecological ditch, first ovum are higher by the top of gap
The a diameter of 40mm of cobble of rock layers 12, the thickness of first boulder bed 12 is 50mm；First planting soil layer 13 be with
Square soil horizon；The formula soil horizon is mixed by humus, table soil, fine sand, the quality of the humus, table soil and fine sand
Than for 3:3:4, the thickness of the formula soil horizon is 200mm；The grain size of gravel of first gravel layer 15 is 30mm, described
The thickness of one gravel layer 15 is 150mm.
The pp rainwater module is the permeable cage of ponding, and the caliber of grass-planting ecological ditch overflow pipe 4 is 100mm, and the ecology is planted
The first overfall is provided with careless ditch overflow pipe 8, the first grid screen, the first grid screen are provided with above first overfall
Aperture be 4mm；Prevent pollutant from blocking grass-planting ecological ditch overflow pipe 8；The caliber of first perforated pipe 17 is
D125mm, the trend of the first perforated pipe 17 is consistent with the trend of grass-planting ecological ditch 1, the hole of first perforated pipe 17
Footpath is 5mm, and the aperture on the first perforated pipe 17 is annular, and the first permeable geotextile layer 14 is 200g/m2Geotextiles, first
Perforated pipe 17 is connected with the phase of catch-basin 5, and rainwater is drained into Rain Garden 3 by main sewer 4.
The side slope ratio of second planting soil layer 22 is 1:5, the recessed depth of the concave herbaceous field 2 is 300mm, institute
The ratio of slope for stating concave herbaceous field 2 and greenery patches is 1:6；Second planting soil layer 22 is formula soil horizon；The formula soil
Layer is mixed by humus, table soil, fine sand, and the mass ratio of the humus, table soil and fine sand is 3:3:4, the formula soil
The thickness of earth layer is 200mm；The material of first filter layer 23 is mixed by haydite, middle sand and activated carbon, and described first
The thickness of filter layer 23 is 100mm.
The caliber of second perforated pipe 24 is D110mm, and the aperture of second perforated pipe 24 is 3mm, and described second wears
Aperture on hole pipe 24 is annular.
The Rain Garden 3 is up concave type, and the recessed depth of the Rain Garden 3 is 400mm, the Rain Garden 3 with
The side slope ratio in greenery patches is 1:6；The third side slope ratio for planting soil layer 33 is 1:5, described the third plants soil layer 33 for formula soil
Layer；The formula soil horizon is mixed by humus, table soil, fine sand, and the mass ratio of the humus, table soil and fine sand is 3:
3:4, the thickness for being formulated soil horizon is 500mm, is planted on the 3rd vegetable layer 31 and is implanted with plant, the planting density of the plant is
20 plants/m2, the plant is resistance to water logging plant.
The material of second filter layer 34 is mixed by haydite, middle sand and activated carbon, second filter layer 34
Thickness is 150mm；The height of the aquifer 36 is 1000mm, and the caliber of the Rain Garden overflow pipe 42 is D200mm, institute
State and the second overfall is provided with Rain Garden overflow pipe 42, the second grid screen, the second grid are provided with above the second overfall
The aperture of net is 4mm.The grain size of gravel of second gravel layer 25 is 30mm, and the grain size of gravel of the 3rd gravel layer 38 is
50mm, the thickness of the gravel layer 38 of the second gravel layer 28 and the 3rd is 150mm.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is：
A kind of integral system that row is oozed based on sponge urban rainwater of the present invention, the depth of the grass-planting ecological ditch 1 are
The side slope ratio of 150mm, greenery patches and the junction of grass-planting ecological ditch 1 is 1:4；20 meters are provided with gap, and gap
Top be higher by the ditch basal surface 150mm of grass-planting ecological ditch, cobble a diameter of 50mm of first boulder bed 12, described first
The thickness of boulder bed 12 is 50mm；The thickness of the formula soil horizon is 200mm；The grain size of gravel of first gravel layer 15 is
40mm, the thickness of first gravel layer 15 is 250mm.
The caliber of the grass-planting ecological ditch overflow pipe 8 is 110mm, and first is provided with the grass-planting ecological ditch overflow pipe 8
Overfall, the first grid screen is provided with above first overfall, the aperture of the first grid screen is 5mm；Described first wears
The caliber of hole pipe 17 is D200mm, and the trend of the first perforated pipe 17 is consistent with the trend of grass-planting ecological ditch 1, first perforation
The aperture of pipe 17 is 4mm.
The recessed depth of the concave herbaceous field is 200mm, and the ratio of slope in the concave herbaceous field 2 and greenery patches is 1:6；
The thickness of first filter layer 23 is 120mm.
The caliber of second perforated pipe 24 is D160mm, and the aperture of second perforated pipe 24 is 5mm.
The Rain Garden 3 is up concave type, depth 500mm, and the side slope ratio in the Rain Garden 3 and greenery patches is 1:6；The
The side slope ratio of three planting soil layers 33 is 1:5, the thickness for being formulated soil horizon is 400mm, plants and is implanted with the 3rd vegetable layer 31
Thing, the planting density of the plant is 25 plants/m2, the plant is resistance to water logging plant.
The thickness of second filter layer is 100mm；The aquifer 36 is pp rainwater modules, the height of the aquifer 36
Spend for 1000mm, the caliber of the Rain Garden overflow pipe 42 is D200mm, and is provided with the Rain Garden overflow pipe 42
Two overfalls, the second overfall top are provided with the second grid screen, and the aperture of the second grid screen is 5mm；The aquifer 36 4
Week and lower surface parcel geomembrane；The grain size of gravel of the gravel layer 38 of second gravel layer 25 and the 3rd is 50mm, described second
The thickness of gravel layer 25 is 250mm.The thickness of 3rd gravel layer 38 is 200mm.
Embodiment 3
A kind of integral system that row is oozed based on sponge urban rainwater of the present invention, the depth of the grass-planting ecological ditch 1 are
250mm, a diameter of 20mm of cobble of first boulder bed 12, the thickness of first boulder bed 12 is 50mm；Described first
The grain size of gravel of gravel layer 15 is 50mm, and the thickness of first gravel layer 15 is 200mm.
The caliber of grass-planting ecological ditch overflow pipe is 90mm, and the first overfall is provided with the grass-planting ecological ditch overflow pipe 8,
The first grid screen is provided with above first overfall, the aperture of the first grid screen is 3mm；First perforated pipe 17
Caliber is D110mm, and the trend of the first perforated pipe 17 is consistent with the trend of grass-planting ecological ditch 1, the aperture of first perforated pipe 17
For 3mm.
The side slope ratio of second planting soil layer 22 is 1:5, the recessed depth of the concave herbaceous field is 270mm, institute
The thickness for stating the first filter layer 23 is 150mm.
The caliber of second perforated pipe 24 is D200mm, and the aperture of second perforated pipe 24 is 4mm.
The recessed depth of Rain Garden 3 is 480mm, and the side slope ratio in the Rain Garden 3 and greenery patches is 1:6；It is formulated soil
The thickness of layer is 460mm, is planted on the 3rd vegetable layer 31 and is implanted with plant, the planting density of the plant is 23 plants/m2, it is described
Plant is drought-resistant plant.
The thickness of second filter layer is 120mm；The second permeable geotextiles are 200g/m2Geotextiles；The rain
The caliber of spray garden overflow pipe 42 is D200mm, and the second overfall, the second overflow are provided with the Rain Garden overflow pipe 42
The second grid screen is provided with above mouthful, the aperture of the second grid screen is 3mm；
The grain size of gravel of the gravel layer 38 of second gravel layer 25 and the 3rd is 40mm, second gravel layer 25 and
The thickness of three gravel layers 38 is 250mm.
Embodiment 4
The difference of embodiment 4 and embodiment 1 is：The plant is Arundo donax, canna, cyperus alternifolius, iris or dog
Five kinds of combination in tail grass；The grain size of gravel of second gravel layer 25 is 50mm, the gravel grain of the 3rd gravel layer 38
Footpath is 40mm, and the thickness of the gravel layer 38 of the second gravel layer 25 and the 3rd is 200mm.
Embodiment 5
The difference of embodiment 5 and embodiment 1 is：The plant is Arundo donax.The gravel of second gravel layer 25
Particle diameter is 30mm, and the grain size of gravel of the 3rd gravel layer 38 is 40mm, and the thickness of second gravel layer 25 is 150mm.Institute
The thickness for stating the 3rd gravel layer is 250mm.
Embodiment 6
The difference of embodiment 6 and embodiment 1 is：The plant is the combination of two kinds of canna and iris.Described second
The thickness of gravel layer 25 is 200mm.The thickness of 3rd gravel layer 38 is 200mm.
Embodiment 7
The difference of embodiment 7 and embodiment 1 is：The plant is cyperus alternifolius.
Experiment 1
Compared with the common storm-water system used in current city,
The shortcomings that common storm-water system：Rain drop erosion ground, infiltration is ineffective, causes road ponding, rubbish drift
Floating, secondary pollution, natural rainwater is contaminated can not utilize on the contrary, adds burden to sewage treatment plant, causes the river in city
Pollution, sharp water is ineffective, and rainwater cyclic utilization rate is 0, and negatively affects big.
And use the drainage system of the present invention not only to recycle, pollution is reduced, can also further improve rainwater
Utilization ratio.
Further, embodiments of the invention 1 to the rainwater of embodiment 3 are oozed to the rain of the method acquisition of row's integral system
Water is tested, and concrete outcome is as shown in table 1 below：
Table 1
As shown in table 1, system of the invention effectively lifts the infiltration rate of rainwater, reduces rainfall runoff, improves rainwater
Water quality, green area irrigation is can be directly used for, rainwater cyclic utilization rate is high, saving water resource.
Operation principle of the present invention is：In the case of nature falls in water, rainwater flows into grass-planting ecological ditch, concave herbaceous field, rainwater
In garden, by absorbing, purifying, the effect such as storing, the infiltration rate of rainwater is effectively lifted, reduces rainfall runoff, supplements earth's surface
The circulation of water and underground water.The water that grass-planting ecological ditch, concave herbaceous field structural base store drains into Rain Garden, purify again,
Store, effectively reduce municipal drainage pressure, also improve Rainwater Quality, can be directly used for green area irrigation, improve rainwater circulation
Utilization rate, saving water resource.
Although grass-planting ecological ditch 1, concave herbaceous field 2, Rain Garden 3, drainpipe 4, catch-basin have more been used herein
5th, sump 6, garden road 7, grass-planting ecological ditch overflow pipe 8, the first vegetable layer 11, the first boulder bed 12, the first planting soil layer 13,
One permeable geotextile layer 14, the first gravel layer 15, the first plain soil layer 16, the first perforated pipe 17, the second vegetable layer 21, second
Plant soil layer 22, the first filter layer 23, the second perforated pipe 24, the second gravel layer 25, the second plain soil layer 26, the third plant soil layer 31,
Second boulder bed 32, the third plant soil layer 33, the second filter layer 34, the second permeable geotextile layer 35, aquifer 36, geo membrane layers
37th, the 3rd gravel layer 38, the 3rd plain soil layer 39, water inlet pipe 40, Rain Garden aquifer drainpipe 41, Rain Garden grass-planting ecological
The grade term of ditch overflow pipe 42, but it is not precluded from the possibility using other terms.Using these terms just for the sake of more convenient
Ground describes and explains the essence of the present invention；Being construed as any additional limitation is disagreed with spirit of the present invention
's.
Claims (10)
- A kind of 1. integral system that row is oozed based on sponge urban rainwater, it is characterised in that：It is described to be oozed based on sponge urban rainwater The integral system of row includes grass-planting ecological ditch (1), concave herbaceous field (2), Rain Garden (3), main sewer (4), catch-basin (5), sump (6) He Yuanlu (7)；The grass-planting ecological ditch (1) is set along garden road (7) edge, and concave herbaceous field (2) is set At hypsography low-lying, the Rain Garden (3) is arranged on the inside of greenery patches, and grass-planting ecological is provided with the grass-planting ecological ditch (1) Ditch overflow pipe (8) and catch-basin (5), sump (6) is provided between the concave herbaceous field (2) and Rain Garden (3), it is described Grass-planting ecological ditch (1) is connected with Rain Garden (3) by main sewer (4), the Rain Garden (3) and concave herbaceous field (2) by main sewer (4) by rainwater-collecting to sump (6).
- 2. the integral system according to claim 1 that row is oozed based on sponge urban rainwater, it is characterised in that：The ecology Grass planting ditch (1) is up concave type groove, and the grass-planting ecological ditch (1) is disposed with the first vegetable layer (11), first from top to bottom Boulder bed (12), the first planting soil layer (13), the first permeable geotextile layer (14), the first gravel layer (15) and the first plain soil layer (16) the first perforated pipe (17), is provided with the middle part of first gravel layer (15), is enclosed with first perforated pipe (17) Double-deck permeable geotextiles.
- 3. the integral system according to claim 1 that row is oozed based on sponge urban rainwater, it is characterised in that：It is described recessed Formula greenery patches (2) is disposed with the second vegetable layer (21), the second planting soil layer (22), the first filter layer (23), from top to bottom Two gravel layers (25) and the second plain soil layer (26), the second perforated pipe (24) is provided with the middle part of second gravel layer (25), Two perforated pipes are enclosed with double-deck geotextiles on (24).
- 4. the integral system according to claim 3 that row is oozed based on sponge urban rainwater, it is characterised in that：The rainwater Garden (3) is disposed with the 3rd vegetable layer (31), the second boulder bed (32), the third plant soil layer (33), second from top to bottom Filter layer (34), the second permeable geotextile layer (35), aquifer (36), the gravel layer (38) of geomembrane (37) the 3rd and the 3rd element soil Layer (39)；The second permeable geotextile layer (35), the surrounding and following table of the aquifer (36) are provided with above the aquifer (36) Wrap up geomembrane (37) in face；The aquifer (36) is rainwater-collecting module, and the rainwater-collecting module is pp rainwater modules, the rainwater-collecting mould The bottom of block is provided with Rain Garden aquifer drainpipe (41), top and the Rain Garden overflow pipe of the rainwater-collecting module (42) it is connected, the Rain Garden aquifer drainpipe (41) is by rainwater-collecting to sump (6).
- 5. the integral system according to claim 2 that row is oozed based on sponge urban rainwater, it is characterised in that：The ecology The depth of grass planting ditch (1) is 150-250mm, and the side slope ratio of greenery patches and grass-planting ecological ditch (1) junction is 1:4；Every 20 Rice is provided with gap, and the ditch basal surface 150mm of grass-planting ecological ditch, first boulder bed (12) are higher by the top of gap The a diameter of 20-50mm of cobble, the thickness of first boulder bed (12) is 50mm；First planting soil layer (13) is formula Soil horizon；The formula soil horizon is mixed by humus, table soil, fine sand, the mass ratio of the humus, table soil and fine sand For 3:3:4, the thickness of the formula soil horizon is 200mm；The grain size of gravel of first gravel layer (15) is 30-50mm, institute The thickness for stating the first gravel layer (15) is 150-250mm.
- 6. the integral system according to claim 4 that row is oozed based on sponge urban rainwater, it is characterised in that：The pp rain Water module is the permeable cage of ponding, and the caliber of grass-planting ecological ditch overflow pipe (8) is 90-110mm, the grass-planting ecological ditch overflow pipe (8) the first overfall is provided with, the first grid screen is provided with above first overfall, the aperture of the first grid screen is 3-5mm；The caliber of first perforated pipe (17) is D110-200mm, trend and the grass-planting ecological ditch of the first perforated pipe (17) (1) trend is consistent, and the aperture of first perforated pipe (17) is 3-5mm, and the aperture on the first perforated pipe (17) is annular, institute It is 200g/m to state the first permeable geotextile layer (14)2Geotextiles, the first perforated pipe (17) are mutually connected with catch-basin (5), passed through Main sewer (4) is by rainwater-collecting to Rain Garden (3).
- 7. the integral system according to claim 3 that row is oozed based on sponge urban rainwater, it is characterised in that：Described second The side slope ratio of planting soil layer (22) is 1:5, the recessed depth of the concave herbaceous field (2) is 200-300mm, the up concave type The ratio of slope in greenery patches (2) and greenery patches is 1:6；Second planting soil layer (22) is formula soil horizon；It is described formula soil horizon by Humus, table soil, fine sand mix, and the mass ratio of the humus, table soil and fine sand is 3:3:4, the formula soil horizon Thickness be 200mm；The material of first filter layer (23) is mixed by haydite, middle sand and activated carbon, first mistake The thickness of filtering layer (23) is 100-150mm.
- 8. the integral system according to claim 7 that row is oozed based on sponge urban rainwater, it is characterised in that：Described second The caliber of perforated pipe (24) is D110-200mm, and the aperture of second perforated pipe (24) is 3-5mm, second perforated pipe (24) aperture on is annular, and second perforated pipe (24) is outside covered with double-deck permeable geotextile layer, the permeable geotextiles Layer is 200g/m2Geotextiles.
- 9. the integral system according to claim 6 that row is oozed based on sponge urban rainwater, it is characterised in that：Described 3rd Kind is implanted with plant on vegetable layer (31), and the planting density of the plant is 20-25 strains/m2, the plant is resistance to water logging or resistance to dry One or more of combinations in non-irrigated plant；The Rain Garden (3) is up concave type, the recessed depth of the Rain Garden (3) For 400-500mm, the side slope ratio in the Rain Garden (3) and greenery patches is 1:6；The third side slope ratio for planting soil layer (33) is 1:5, Described the third plants soil layer (33) for formula soil horizon；The formula soil horizon is mixed by humus, table soil, fine sand, institute The mass ratio for stating humus, table soil and fine sand is 3:3:4, the thickness for being formulated soil horizon is 400-500mm.
- 10. the integral system according to claim 9 that row is oozed based on sponge urban rainwater, it is characterised in that：The plant Thing is one or more of combinations in Arundo donax, canna, cyperus alternifolius, iris or green bristlegrass；Second filter layer (34) material is mixed by haydite, middle sand and activated carbon, and the thickness of the second filter layer (34) is 100-150mm；Described Two permeable geotextiles are 200g/m2Geotextiles；The height of the aquifer (36) is 1000mm, and the caliber of the Rain Garden overflow pipe (42) is D200mm, the rain The second overfall is provided with spray garden overflow pipe (42), the second grid screen, the second grid screen are provided with above the second overfall Aperture be 3-5mm；The grain size of gravel of second gravel layer (25) and the 3rd gravel layer (38) is 30-50mm, described second The thickness of gravel layer (25) and the 3rd gravel layer (38) is 150-250mm.
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| CN108385469A (en) * | 2018-05-11 | 2018-08-10 | 山东大学 | It is a kind of based on water source pump-station road rain water processing and utilize integral system |
| CN108589880A (en) * | 2018-04-20 | 2018-09-28 | 江苏澳洋生态园林股份有限公司 | A kind of rainwater Circulation reusing and treating device |
| CN108797700A (en) * | 2018-06-13 | 2018-11-13 | 苏州园林发展股份有限公司 | A kind of rain water collecting system and construction method |
| CN109041900A (en) * | 2018-08-21 | 2018-12-21 | 河海大学 | A kind of urban architecture vertical planting system |
| CN109098268A (en) * | 2018-09-07 | 2018-12-28 | 湖南省农业环境生态研究所 | A kind of rainwater infiltration storage system |
| CN109098251A (en) * | 2018-07-27 | 2018-12-28 | 未来都市（苏州工业园区）规划建筑设计事务所有限公司 | Close on the Ecological Planning based on sponge city of nature reserve area |
| CN109440900A (en) * | 2018-09-03 | 2019-03-08 | 深圳地大水务工程有限公司 | A kind of counter-slope formula grass type shuts off trench system |
| CN109601333A (en) * | 2018-11-20 | 2019-04-12 | 温州集程建设有限公司 | A kind of urban construction rainwater-collecting drip irrigation appliance |
| CN109997560A (en) * | 2019-05-15 | 2019-07-12 | 徐州工程学院 | Grass planting ditch at road corner based on sponge the idea of the city |
| CN110965420A (en) * | 2019-12-31 | 2020-04-07 | 广东省第一建筑工程有限公司 | Construction structure and construction method for road reconstruction and upgrading sponge city |
| CN112144633A (en) * | 2020-09-28 | 2020-12-29 | 上海交通大学 | Prevent blockking up sponge rainwater garden system for city construction |
| CN112726737A (en) * | 2021-02-24 | 2021-04-30 | 深圳市博唯环境艺术设计有限公司 | Sponge city construction drainage device |
| CN113266000A (en) * | 2021-05-13 | 2021-08-17 | 湖北威尔达海绵城市建设有限公司 | Sponge body construction method and process for restoring water ecological environment |
| CN113367040A (en) * | 2021-05-06 | 2021-09-10 | 常熟古建园林股份有限公司 | Design method of landscaping maintenance water-saving and energy-saving system |
| CN116623772A (en) * | 2023-05-29 | 2023-08-22 | 宁波绿茵市政园林股份有限公司 | Sponge city rainwater garden and construction method |
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| CN109601333A (en) * | 2018-11-20 | 2019-04-12 | 温州集程建设有限公司 | A kind of urban construction rainwater-collecting drip irrigation appliance |
| CN109997560A (en) * | 2019-05-15 | 2019-07-12 | 徐州工程学院 | Grass planting ditch at road corner based on sponge the idea of the city |
| CN110965420A (en) * | 2019-12-31 | 2020-04-07 | 广东省第一建筑工程有限公司 | Construction structure and construction method for road reconstruction and upgrading sponge city |
| CN112144633A (en) * | 2020-09-28 | 2020-12-29 | 上海交通大学 | Prevent blockking up sponge rainwater garden system for city construction |
| CN112726737A (en) * | 2021-02-24 | 2021-04-30 | 深圳市博唯环境艺术设计有限公司 | Sponge city construction drainage device |
| CN113367040A (en) * | 2021-05-06 | 2021-09-10 | 常熟古建园林股份有限公司 | Design method of landscaping maintenance water-saving and energy-saving system |
| CN113266000A (en) * | 2021-05-13 | 2021-08-17 | 湖北威尔达海绵城市建设有限公司 | Sponge body construction method and process for restoring water ecological environment |
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| CN116623772B (en) * | 2023-05-29 | 2024-04-30 | 宁波绿茵市政园林股份有限公司 | Sponge city rainwater garden and construction method |
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