CN108298611A - Biological cleaning stranded belt for sponge city - Google Patents
Biological cleaning stranded belt for sponge city Download PDFInfo
- Publication number
- CN108298611A CN108298611A CN201810273554.7A CN201810273554A CN108298611A CN 108298611 A CN108298611 A CN 108298611A CN 201810273554 A CN201810273554 A CN 201810273554A CN 108298611 A CN108298611 A CN 108298611A
- Authority
- CN
- China
- Prior art keywords
- layer
- biological cleaning
- purifying
- permeable brick
- soil
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
Abstract
A kind of funnel type biological cleaning stranded belt for sponge city, including vegetable layer, plant soil layer, biological cleaning layer, aquifer, biological cleaning stranded belt is in integrally funnel-shaped structure, vegetable layer lower part is provided with plant soil layer, it plants soil layer lower part and is provided with biological cleaning layer, biological cleaning layer lower part is provided with aquifer, plant soil layer, the first permeable brick layer is provided between biological cleaning layer, biological cleaning layer includes upper layer purifying layer, middle level purifying layer, lower layer's purifying layer, aquifer top is provided with the second permeable brick layer, and second permeable brick layer be arranged in lower layer's purifying layer lower part, aquifer bottom is provided with water-permeable pipe.Soil layer is planted in setting in the present invention, can be that the vegetation of growth provide abundant nutrient, purification filtering is carried out to the rainwater that permeates the ground using three layers of purifying layer, purifying rainwater that can be more efficient, pollution of the reduction rain water pollutant to underground water.
Description
Technical field
The present invention relates to sponge city technical field more particularly to a kind of biological cleaning stranded belts for sponge city.
Background technology
Sponge city is a kind of urban construction new concept that country proposes.National house and town and country construction portion are required to 2020
Year, area more than completed region of the city reaches target call, reaches target call to area more than year.It can thus be seen that
Country improve resident living environment and Urban Water Environment there is an urgent need to, sponge city requirement cities when rainy with ooze, be stagnant,
It stores, net, use, the function of row.Therefore the problem of leading to runoff pollution, water resource waste there is rain drop erosion road surface, is fully sent out
It is extremely important to wave effect of the biological road in sponge city.Due to being carried to town road landscape effect and the continuous of green percentage
The width of height, biological stranded belt is increasing, and in the case where ensureing road safety use, divides band to divide band to ooze with side in performance
Water, water storage, water purification, backwater, draining effect be very necessary.Stranded belt in the prior art can play a part of work
With, but the vegetation that stranded belt but cannot above grow for stranded belt provides abundant nutrient, and improvement soil is also more owed
It lacks, what biological stranded belt existing at present used is planting soil and rubble, and planting soil and rubble have certain detergent power, but
The ability for cutting down pollutant is limited.
Invention content
In view of this, it is necessary to provide a kind of soil nutrients to enrich, can improve soil, good purification, drainability
The strong biological cleaning stranded belt for sponge city.
A kind of biological cleaning stranded belt for sponge city, including vegetable layer, plant soil layer, biological cleaning layer, aquifer,
Biological cleaning stranded belt upper face surrounding is provided with cofferdam, and inner peripheral is provided with waterproof layer, the vegetable layer lower part setting
There is plant soil layer, plants soil layer lower part and be provided with biological cleaning layer, biological cleaning layer lower part is provided with aquifer, the plant soil layer, life
It is provided with the first permeable brick layer between object purifying layer, is separated with biological cleaning layer soil layer will be planted, the biological cleaning layer packet
Upper layer purifying layer, middle level purifying layer, lower layer's purifying layer are included, the upper layer purifying layer is arranged in the first permeable brick layer lower part, middle level
Purifying layer setting is in upper layer purifying layer lower part, and purifying layer lower part, the aquifer top are arranged lower layer's purifying layer setting in middle level
Have the second permeable brick layer, and the second permeable brick layer setting is in lower layer's purifying layer lower part, to by biological cleaning layer and aquifer every
It opens, one side surface of the cofferdam is provided with limbers, discharge outlet, and outlet pass, draining discharge surface are fitted with strainer, the storage
Water layer bottom is provided with water-permeable pipe, and water-permeable pipe both sides are additionally provided with drain header, and drain header is connected by drainpipe and discharge outlet
It is logical.
Preferably, the limbers is the through-hole positioned at cofferdam bottom, whole to run through cofferdam, and limbers lower edge with
Road surface keeping parallelism, so that the rainwater on road surface can flow into stranded belt, discharge outlet is the blind hole positioned at cofferdam top, blind hole
Bottom face is provided through hole, so that drainpipe passes through, discharge outlet is connected with drain header.
Preferably, vegetable layer soil layer surface is covered with leaf, bark.
Preferably, the plant soil layer is mixed according to loess 70%, Nutrition Soil 20%, grass-seed 8%, flyash 2%.
Preferably, the upper layer purifying layer is mixed according to 90% river sand, 5% flyash, 5% stalk.
Preferably, the middle level purifying layer is made of 0.5~1.0mm quartz sands.
Preferably, lower layer's purifying layer is mixed according to 80% river sand, 15% clay, 5% stalk.
Preferably, the stalk need to be ground into 4~8mm particles.
Preferably, the described first permeable brick layer, the second permeable brick layer are made a living state sand base water-permeable brick, and the first permeable brick layer,
It is 30cm that second permeable brick layer, which is laid with height,.
Preferably, the aquifer is mixed according to gravel 60%, haydite 40%.
The present invention uses above-mentioned technical proposal, advantage to be：Soil layer is planted in setting in the present invention, can be growth
Vegetation provides abundant nutrient, and purification filtering is carried out to the rainwater that permeates the ground using three layers of purifying layer, can be more efficient it is net
Change rainwater, reduces pollution of the rain water pollutant to underground water, biological cleaning stranded belt of the invention is through biological cleaning stranded belt one
Draining, infiltration, water storage, backwater and the water purification function of series, not only alleviate urban waterlogging, but also realize the work(in sponge city
Energy.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of another angle of the present invention.
Fig. 3 is the structural schematic diagram in the cofferdam of the present invention.
In figure：Vegetable layer 1 plants soil layer 2, the first permeable brick layer 3, upper layer purifying layer 4, middle level purifying layer 5, lower layer's purifying layer
6, the second permeable brick layer 7, aquifer 8, water-permeable pipe 9, waterproof layer 10, cofferdam 11, limbers 111, discharge outlet 112, drainpipe 12,
Drain header 13, road surface 14.
Specific implementation mode
Fig. 1 to Fig. 3 is please referred to, an embodiment of the present invention provides a kind of biological cleaning stranded belt for sponge city, packets
It includes vegetable layer 1, plant soil layer 2, biological cleaning layer, aquifer 8, biological cleaning stranded belt external upper surrounding is provided with cofferdam
11, inner peripheral is provided with waterproof layer 10, and 1 lower part of the vegetable layer, which is provided with, plants soil layer 2, plants 2 lower part of soil layer and is provided with biology
Purifying layer, biological cleaning layer lower part are provided with aquifer 8, the first water-permeable brick are provided between the plant soil layer 2, biological cleaning layer
Layer 3, separated with biological cleaning layer soil layer 2 will be planted, the biological cleaning layer include upper layer purifying layer 4, middle level purifying layer 5,
Lower layer's purifying layer 6, the setting of upper layer purifying layer 4 are purified in 3 lower part of the first permeable brick layer, the setting of middle level purifying layer 5 on upper layer
4 lower part of layer, the setting of lower layer's purifying layer 6 are provided with the second permeable brick layer 7 in 5 lower part of purifying layer, 8 top of the aquifer in middle level,
And second permeable brick layer 7 be arranged in 6 lower part of lower layer's purifying layer, to separate biological cleaning layer and aquifer 8, the cofferdam 10
One side surface is provided with limbers 111, discharge outlet 112, and limbers 111,112 surface of discharge outlet are fitted with strainer, described
8 bottom of aquifer is provided with water-permeable pipe 9, and 9 both sides of water-permeable pipe are additionally provided with drain header 13, and drain header 13 passes through drainpipe 12
It is connected to discharge outlet 112.
Greasy dirt, objectionable impurities and the other heavy metal pollutions generated in normal life due to road surface, soil surface layer, warp
Pollution runoff is formed after rain drop erosion, if being directly discharged into Storm Sewer Network, it will cause water resource pollution.Compared with the prior art,
The present invention, which is provided with, plants soil layer 2, not only abundant nutrient can be provided for the vegetation of growth, when rainwater oozes downwards by surface layer
Enter to when planting soil layer 2, can also play the role of tentatively filtering, rainwater reaches the first water-permeable brick by the preliminary filtering of plant soil layer 2
Layer 3, due to the permeable brick layer of setting, and permeable brick layer internal voids are smaller, and when rainwater permeates downwards, permeable brick layer can will be in
It is that the grains of sand carried and soil particle intercept, plays the role of strainer, can effectively prevent planting the soil particle stream in soil layer 2
It loses, soil nutrient is caused to reduce, when rainwater passes through purifying layer, due to being carried out to the rainwater to permeate the ground using three layers of purifying layer
Purification filtering, the pollutant in rainwater are largely absorbed, purifying rainwater that can be more efficient, reduce rain water pollutant to underground
The pollution of water.
Further, the limbers 111 is the through-hole positioned at 11 bottom of cofferdam, whole to run through cofferdam 11, and limbers
111 lower edges and road surface keeping parallelism, so that the rainwater on road surface can flow into stranded belt, discharge outlet 112 is positioned at enclosing
The blind hole on 11 top of weir, blind hole bottom face are provided through hole, so that drainpipe 12 passes through, discharge outlet 112 and draining are led
Pipe 13 is connected.
Limbers 111, osculum 112 are set on the cofferdam 11 of stranded belt periphery, when the amount of rainfall on road surface is less
When, rainwater is flowed by limbers 111 in stranded belt, and when the ponding on road surface is more, rainwater is by being located at 11 top of cofferdam
Osculum 112 enter drainpipe 12, rainwater is discharged into drain header 13 by drainpipe 12, to reduce the excessive product in road surface
Water prevents urban pavement from waterlogging occur.
Further, 1 soil layer surface of the vegetable layer is covered with leaf, bark.
The coverings such as leaf, bark are laid on 1 surface layer of vegetable layer, is conducive to plant growth, improves the survival rate of plant, it can
With prevent rainfall runoff to surface soil layer directly washing away, reduce soil erosion, when rainfall is less, due to surface temperature compared with
Height, the water evaporation quantity in soil is larger, and the coverings such as leaf, bark that 1 surface layer of vegetable layer is laid with can prevent sunlight straight
Soil surface is penetrated, evaporation from topsoil is reduced, plant root is made to keep moist.
Further, the plant soil layer 2 is mixed according to loess 70%, Nutrition Soil 20%, grass-seed 8%, flyash 2%.
Nutrition Soil is mixed into planting soil layer 2, containing there are many mineral nutrition, loose ventilation, retain water and nutrients abilities in Nutrition Soil
By force, adequate nutrients are provided for vegetation growth, is mixed into grass-seed, grass-seed can improve the gas porosity for planting soil layer 2, be conducive to plant soil layer 2
It is ventilative, sufficient nutritional ingredient is in addition also contained in grass-seed, after loess, Nutrition Soil, grass-seed mixing, by being embedded to next section
After time, after everfermentation, nutriment is released grass-seed, is conducive to the absorption of plant, calcic 1%, potassium in flyash
1.8%, phosphorus 0.66%, sodium 0.27%, magnesium 0.16%, iron 2%, copper 32ppm, zinc 26ppm, manganese 300ppm, so can be used as scarce
The supply source of manure of the soil of these weary elements, using after flyash can chesson, increase porosity, mitigate the soil weight, separately
Outside, due to rainwater pH value slant acidity, and flyash pH value meta-alkalescence, the acid-base value of soil can effectively be adjusted by being mixed into flyash,
It is that acid-base value in soil is balanced.
Further, the upper layer purifying layer 4 is mixed according to river sand 90%, flyash 5%, stalk 5%.
Flyash has certain adsorptivity, is mixed with river sand, stalk particle, after a period of time, stalk particle hair
Ferment rots, and river sand, flyash enter inside the rotten stalk of fermentation, and fully combine, and due to containing fiber in stalk, make upper layer
4 inside of purifying layer forms interlaced reticular structure, when rainwater is by upper layer purifying layer 4, the impurity in rainwater and pollution
Object contains humus, humus also has very heavy metal contaminants by 4 multiple interception filtration, purification of upper layer purifying layer in fertile soil
Good adsorption capacity protects water body to the pollutant in purifying rainwater.
Further, the middle level purifying layer 5 is made of 0.5~1.0mm quartz sands.
Further, lower layer's purifying layer 6 is mixed according to river sand 80%, clay 15%, stalk 5%.
Clay has certain adsorptivity, is mixed with river sand, stalk particle, has after being moistened due to clay with water plastic
Property, and viscosity increases, and when rainwater passes through lower layer's purifying layer 6, river sand, clay, stalk is made mutually to be bonded together, and is formed whole
Body is blocky, due to the presence of stalk particle, makes lower layer's purifying layer 6 that can still keep certain gas porosity, impurity in rainwater and
Pollutant intercepts filtration, purification by lower layer's purifying layer 6, and since lower layer's purifying layer 6 bonds the whole bulk of formation at this time, rainwater will not
Particle in purifying layer is carried away.
Further, the stalk need to be ground into 4~8mm particles.
Further, the described first permeable brick layer 3, the second permeable brick layer 7 are ecological sand base water-permeable brick, and the first water-permeable brick
It is 30cm that the 3, second permeable brick layer 7 of layer, which is laid with height,.
Ecological sand base water-permeable brick has good permeable, permeability, rainwater can be made to rapidly permeate into underground, can absorb moisture
With heat, the humiture of earth's surface local space is adjusted, when precipitation is less, it is possible to reduce the evaporation of soil moisture.
Further, the aquifer 8 is mixed according to gravel 60%, haydite 40%.
Since 8 water accumulating volume of aquifer is more, it is easy to grow bacterium, haydite is mixed into aquifer 8, and haydite can adsorb
Harmful element, bacterium, mineralized water quality in water body, in addition, haydite lighter weight, can alleviate stranded belt to being set in aquifer 8
The pressure that the water-permeable pipe 9 set is formed.
The better embodiment of the present invention is as follows：When the rainwater on road surface is less, rainwater is flowed by limbers 111
In stranded belt, since 1 soil layer surface of vegetable layer is covered with leaf, bark, direct punching of the rainfall runoff to surface soil layer is reduced
Brush reduces soil erosion, and rainwater reduced velocity flow slowly thinks that underground is penetrated into, when rainwater, which penetrates into, plants soil layer 2, due to planting soil layer 2
It being mixed by loess, Nutrition Soil, grass-seed, flyash, can be very good fixed vegetation so that plant soil layer 2 is not only full of nutrition,
And it is soft ventilative, be conducive to rainwater and permeate downwards, meanwhile, soft plants soil layer 2 can also filter out in rainwater some greatly
Granule foreign, when rainwater penetrates into purifying layer, since purifying layer is net provided with upper layer purifying layer 4, middle level purifying layer 5, lower layer
Change layer 6, rainwater is after three layers of purification, and impurity eliminates substantially, when rainwater penetrates into aquifer 8, due to being mixed into aquifer 8
Haydite and gravel, can purification further be filtered to the rainwater in aquifer 8, when the biological cleaning stranded belt inner product depth of water
Degree reach 4cm or more after, the water-holding capacity of aquifer 8 reaches capacity, at this point, 8 bottom of aquifer setting water-permeable pipe 9 start to
Outer draining improves the infiltration ability of biological stranded belt；When the ponding on road surface is more, the ponding in stranded belt is more at this time,
Penetrating power is limited, and rainwater enters drainpipe 12 by the osculum 112 positioned at 11 top of cofferdam, is arranged rainwater by drainpipe 12
Enter drain header 13, to reduce the excessive ponding in road surface, prevents urban pavement from waterlogging occur.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and is wanted according to right of the present invention
Equivalent variations made by asking, still belong to the scope covered by the invention.
Claims (10)
1. a kind of biological cleaning stranded belt for sponge city, it is characterised in that：Including vegetable layer, plant soil layer, biological cleaning
Layer, aquifer, biological cleaning stranded belt upper face surrounding are provided with cofferdam, and inner peripheral is provided with waterproof layer, the vegetation
Layer lower part is provided with plant soil layer, plants soil layer lower part and is provided with biological cleaning layer, biological cleaning layer lower part is provided with aquifer, described
It plants and is provided with the first permeable brick layer between soil layer, biological cleaning layer, separated with biological cleaning layer soil layer will be planted, the biology
Purifying layer includes upper layer purifying layer, middle level purifying layer, lower layer's purifying layer, and the upper layer purifying layer is arranged under the first permeable brick layer
Portion, purifying layer setting in middle level is in upper layer purifying layer lower part, lower layer's purifying layer setting purifying layer lower part in middle level, on the aquifer
Portion is provided with the second permeable brick layer, and the second permeable brick layer setting is in lower layer's purifying layer lower part, to by biological cleaning layer with store
Water layer separates, and one side surface of the cofferdam is provided with limbers, discharge outlet, and limbers, draining discharge surface are fitted with strainer,
The aquifer bottom is provided with water-permeable pipe, and water-permeable pipe both sides are additionally provided with drain header, and drain header passes through drainpipe and row
The mouth of a river is connected to.
2. being used for the biological cleaning stranded belt in sponge city as described in claim 1, it is characterised in that：The limbers is position
Through-hole in cofferdam bottom, it is whole to run through cofferdam, and limbers lower edge and road surface keeping parallelism, so that the rainwater on road surface
It can flow into stranded belt, discharge outlet is the blind hole positioned at cofferdam top, and blind hole bottom face is provided through hole, so that draining
Pipe is across discharge outlet to be connected with drain header.
3. being used for the funnel type biological cleaning stranded belt in sponge city as described in claim 1, it is characterised in that：The vegetation
Layer soil layer surface is covered with leaf, bark.
4. being used for the biological cleaning stranded belt in sponge city as described in claim 1, it is characterised in that：The plant soil layer according to
Loess 70%, Nutrition Soil 20%, grass-seed 8%, flyash 2% mix.
5. being used for the funnel type biological cleaning stranded belt in sponge city as described in claim 1, it is characterised in that：The upper layer
Purifying layer is mixed according to river sand 90%, flyash 5%, stalk 5%.
6. being used for the funnel type biological cleaning stranded belt in sponge city as described in claim 1, it is characterised in that：The middle level
Purifying layer is made of 0.5~1.0mm quartz sands.
7. being used for the biological cleaning stranded belt in sponge city as described in claim 1, it is characterised in that：Lower layer's purifying layer
It is mixed according to river sand 80%, clay 15%, stalk 5%.
8. the biological cleaning stranded belt for sponge city as described in claim 5 or 7, it is characterised in that：The stalk needs
It is ground into 4~8mm particles.
9. being used for the biological cleaning stranded belt in sponge city as described in claim 1, it is characterised in that：First water-permeable brick
Layer, the second permeable brick layer are made a living state sand base water-permeable brick, and it is 30cm that the first permeable brick layer, the second permeable brick layer, which are laid with height,.
10. being used for the biological cleaning stranded belt in sponge city as described in claim 1, it is characterised in that：The aquifer is pressed
It is mixed according to gravel 60%, haydite 40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810273554.7A CN108298611A (en) | 2018-03-29 | 2018-03-29 | Biological cleaning stranded belt for sponge city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810273554.7A CN108298611A (en) | 2018-03-29 | 2018-03-29 | Biological cleaning stranded belt for sponge city |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108298611A true CN108298611A (en) | 2018-07-20 |
Family
ID=62848085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810273554.7A Pending CN108298611A (en) | 2018-03-29 | 2018-03-29 | Biological cleaning stranded belt for sponge city |
Country Status (1)
| Country | Link |
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| CN (1) | CN108298611A (en) |
Cited By (3)
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| CN109111047A (en) * | 2018-09-21 | 2019-01-01 | 苏州农业职业技术学院 | A kind of feces of farm isolation of purified processing method |
| CN110759481A (en) * | 2019-11-05 | 2020-02-07 | 南京工业大学 | Biological detention pond of high-efficient dephosphorization |
| CN112110581A (en) * | 2020-07-22 | 2020-12-22 | 南京林业大学 | Purification and regulation system for road surface rainwater runoff |
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| CN112110581A (en) * | 2020-07-22 | 2020-12-22 | 南京林业大学 | Purification and regulation system for road surface rainwater runoff |
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