CN109853701A - A kind of concave herbaceous field structure - Google Patents
A kind of concave herbaceous field structure Download PDFInfo
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- CN109853701A CN109853701A CN201811641880.5A CN201811641880A CN109853701A CN 109853701 A CN109853701 A CN 109853701A CN 201811641880 A CN201811641880 A CN 201811641880A CN 109853701 A CN109853701 A CN 109853701A
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Abstract
The invention discloses a kind of concave herbaceous field structures, from top to bottom successively include: planting soil layer, biological layer of charcoal, permeable geotextile layer, gravel layer；Overflow well is provided in biological layer of charcoal, overflow well passes through planting soil layer, and overflow well includes overflow port, and overflow port is higher than planting soil layer, is provided with filter screen at overflow port；Water collecting structure is provided in gravel layer, water collecting structure includes collector pipe, water-permeable pipe and water-permeable brick；The bottom of gravel layer is arranged in collector pipe, and water-permeable pipe is connected on collector pipe using collector pipe as center axis in circumferential array, and water-permeable pipe is connected with collector pipe；It is provided with permeable hole on water-permeable pipe, permeable geotextiles are coated on water-permeable pipe；Water-permeable brick erects the top and side that collector pipe and water-permeable pipe is arranged in.By the above-mentioned means, the present invention can carry out appropriate collect to purified rainwater and recycle while guaranteeing rainwater normally lower infiltration recharge of groundwater, initial Split-flow waste, raising runoff Rainwater Resources utilization rate are avoided.
Description
Technical field
The present invention relates to a kind of greenery patches is related to, more particularly to a kind of concave herbaceous field structure.
Background technique
As urbanization process is accelerated, waterproof ground is sharply increased, and the original of rainwater has been truncated and has infiltrated channel, has made rainfall
Infiltration capacity greatly reduces, and rain flood peak value increases, and the concentration time shortens, so as to cause the general stream of street flood and underground when urban storm
Water reserve is reduced, and thereby produces serious urban soil and water loss and problem of drainning off floodwaters.Meanwhile rain drop erosion ground and the diameter that generates
Stream pollution, also the sewage treatment to city increases processing difficulty, if washing away the initial rainwater direct emission behind ground into nature
Water body, can serious polluted water resources environment.
Rainwater is a kind of water resource of preciousness, and in addition to initial rainwater, contaminated lesser extent can be used as city after processing
The greening in city washes away road etc. and uses mixedly water source.There are three types of the mature rainwater utilization technologies that city is possessed at present, is room respectively
Push up rainwater-collecting, urban pavement rainwater utilization, urban green space, flower bed and gardens rainwater utilization.
Concave herbaceous field is the low important technique measure for influencing Development System in city, can be used as pumping equipment setting and exists
Urban road, cell pavement, parkway two sides, not only can be with beautifying urban environment, while having to storm runoff significant
Delay pondage capacity.But common concave herbaceous field stays excessively concern water control, and water quality grade is expected insufficient, has ignored diameter
Flow rainwater bring pollution risk；And the residence time is generally partially short, clean-up effect is slightly weak.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of concave herbaceous field structures, can be in the case where guaranteeing that rainwater is normal
While seeping recharge of groundwater, appropriate collect is carried out to purified rainwater and is recycled, initial Split-flow is avoided, improves runoff
Rainwater Resources utilization rate.
In order to achieve the above objectives, the technical solution adopted by the present invention to solve the technical problems is:
A kind of concave herbaceous field structure successively includes: planting soil layer, biological layer of charcoal, permeable geotextile layer, gravel from top to bottom
Rock layers；
The material of the planting soil layer is planting soil, and the material of the biology layer of charcoal is charcoal, the permeable geotextiles
The material of layer is permeable geotextiles, and the material of the gravel layer is gravel；
It is provided with overflow well in the biology layer of charcoal, the overflow well passes through the planting soil layer, and the overflow well includes
Overflow port, the overflow port are higher than the planting soil layer, are provided with filter screen at the overflow port；
Water collecting structure is provided in the gravel layer, the water collecting structure includes collector pipe, water-permeable pipe and water-permeable brick；It is described
The bottom of the gravel layer is arranged in collector pipe, and the water-permeable pipe is connected to the collection in circumferential array using collector pipe as center axis
On water pipe, the water-permeable pipe is connected with collector pipe；It is provided with permeable hole on the water-permeable pipe, is coated on the water-permeable pipe
Water geotextiles；The water-permeable brick erects the top and periphery that the collector pipe and water-permeable pipe is arranged in, and forms enclosure space.
Preferably, the greenery patches structure further includes sandstone layer, and the top of the planting soil layer, institute is arranged in the sandstone layer
State sandstone layer material be sandstone, the sandstone layer with a thickness of 30mm~50mm.
Preferably, the planting soil layer with a thickness of 150mm~300mm.
Preferably, the greenery patches structure further includes hay layer, and the hay layer is arranged in the planting soil layer and charcoal
Between layer, the material of the hay layer is hay, the hay layer with a thickness of 30mm~60mm.
Preferably, the biological layer of charcoal with a thickness of 100mm~150mm, the partial size of the charcoal of the biology layer of charcoal is
In 2mm~4mm.
Preferably, the greenery patches structure further includes haydite layer, and the haydite layer setting is in the biological layer of charcoal and permeable soil
Between work layer of cloth, the material of the haydite layer is haydite.
Preferably, the haydite layer with a thickness of 150mm~200mm；The partial size of the haydite of the haydite layer be 5mm~
20mm。
Preferably, the gravel layer with a thickness of 150mm~200mm, the partial size of the gravel of the gravel layer be 20mm~
30mm。
Preferably, the water-permeable pipe includes water-permeable pipe first end and water-permeable pipe second end, the water-permeable pipe first end and institute
It states collector pipe to be connected, the water-permeable pipe first end is lower than the water-permeable pipe second end.
Preferably, the spacing between the permeable hole and permeable hole is 8mm~10mm.
Due to the application of the above technical scheme, the present invention have compared with prior art it is following the utility model has the advantages that
(1) a kind of concave herbaceous field structure is provided, using the clean-up effect of filler, increases substantially rain water pollutant
Filtering and purification efficiency, guarantee the better removal effect of pollutant；While guaranteeing rainwater normally lower infiltration recharge of groundwater,
Appropriate collect is carried out to purified rainwater to recycle, avoids initial Split-flow waste, is improved runoff Rainwater Resources and is utilized
Rate；
(2) by the high-efficient purification of rainwater and using organically combining, structure is simple, occupied area is small, low-maintenance landscape is lasting,
The advantages that dmp filter detergent power is strong；And it is applied widely, it is applicable to urban road, cell pavement, parkway etc.
Region；
(3) make bulky grain pollutant and rubbish, fallen leaves etc. be retained, be decomposed in advance by filter screen, avoid big
Particulate matter blocks junior's filtrate, extends the service life of concave herbaceous field.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of concave herbaceous field structure of the present invention.
Fig. 2 is the schematic diagram that water-permeable pipe is connect with collector pipe in a kind of concave herbaceous field structure of the present invention.
Detailed description of the invention: sandstone layer 1, planting soil layer 2, hay layer 3, biological layer of charcoal 4, haydite layer 5, permeable geotextile layer 6, gravel
Rock layers 7, overflow well 8, collector pipe 91, water-permeable pipe 92, water-permeable brick 93.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Refering to attached drawing, a kind of concave herbaceous field structure is the efficient purification of water quality with multiple packing layers, facility of regulating and storing,
It is top-down hierarchical structure, which is all less than ground all in underground.Concave herbaceous field structure is certainly
It successively include: planting soil layer 2, biological layer of charcoal 4, permeable geotextile layer 6, gravel layer 7 under above.In order to preferably filter or store
Water further includes sandstone layer 1, hay layer 3 and haydite layer 5, so then from top to bottom successively includes: sandstone layer 1, planting soil layer 2, does
Grass layer 3, biological layer of charcoal 4, haydite layer 5, permeable geotextile layer 6, gravel layer 7.
In order to improve ponding filter efficiency and improve clean-up effect, greenery patches structure further includes sandstone layer 1, and sandstone layer 1 is arranged
In the top of planting soil layer 2, the material of sandstone layer 1 is sandstone, sandstone layer 1 with a thickness of 30mm~50mm.The thickness of sandstone layer 1
It is blocked up to be unfavorable for plant and draw nutritional ingredient in planting soil layer 2, it be easy to cause plant growth slowly even withered；It is excessively thin, it accumulates
Water is easy to wash away sandstone, and ponding is caused directly to reach planting soil layer 2 without prefiltration, reduces purification efficiency.By sandstone layer 1
Thickness be set as 30~50mm, guarantee that sandstone layer 1 both will not influence plant draw nutrient, also advantageously improve ponding filtering effect
Rate and improvement clean-up effect.
The material of planting soil layer 2 be planting soil, planting soil layer 2 with a thickness of 150mm~300mm.It is planted in planting soil layer 2
There is the plant of various suitable local climates.The infiltration aperture of planting soil layer 2 is small, and when the thickness of planting soil layer 2 is blocked up, ponding passes through
Time needed for the planting soil layer 2 is long, can not be successfully lower infiltration in heavy rain；When the thickness of planting soil layer 2 is excessively thin, the mistake of ponding
It is poor to filter effect, and is difficult to meet plant growth needs, root system of plant is be easy to cause to destroy understructure.Therefore, soil layer will be planted
Thickness be set as 150~300mm, be not only able to satisfy the growth demand of plant, moreover it is possible to improve ponding filter efficiency and improve net
Change effect, completes maximally utilizing for resource.
Greenery patches structure further includes hay layer 3, and hay layer 3 is arranged between planting soil layer 2 and biological layer of charcoal 4, hay layer 3
Material is hay, hay layer 3 with a thickness of 30mm~60mm.The water-holding capacity of hay layer 3 is good, and it is rotten not will cause hay layer 3
Change and squeezes lower layer's filler.Hay layer 3 can stop soil erosion, can effectively accumulate the moisture of planting soil layer 2, prevent moisture from crossing shunting
Lose, can when planting soil layer 2 is dry slow release moisture again, and when hay layer 3 is degenerated can add the nutrition of planting soil layer 2 at
Point.
The material of biological layer of charcoal 4 be charcoal, biological layer of charcoal 4 with a thickness of 100mm~150mm, the biology of biological layer of charcoal 4
The partial size of charcoal is in 2mm~4mm.Biological layer of charcoal 4 can effectively remove the nutrients such as nitrogen phosphorus.Charcoal has biggish hole
Degree and height carboxylic esterification and aromatization structure, can reduce the leaching of the nutrients such as inorganic nitrogen phosphorus, can adsorb in water
Nutrient, and adjust pH value.
Greenery patches structure further includes haydite layer 5, and haydite layer 5 is arranged between biological layer of charcoal 4 and permeable geotextile layer 6, haydite
The material of layer 5 is haydite.Haydite layer 5 with a thickness of 150mm~200mm；The partial size of the haydite of haydite layer 5 is 5mm~20mm.Pottery
Grain has the characteristics that hard surface, the more micropores in inside, porosity are high, can play well absorption, filtering, purifying rainwater effect
Fruit, in addition haydite layer 5 is in anaerobic environment, can effectively remove nitrogen in the rainwater for flow through this layer.
The material of permeable geotextile layer 6 is permeable geotextiles, is set between haydite layer 5 and gravel layer 7, prevents topsoil
Earth, filler, impurity etc. block gravel layer 7 and water-permeable pipe 92, while certain catharsis is also played to the rainwater of infiltration.
The material of gravel layer 7 be gravel, gravel layer 7 with a thickness of 150mm~200mm, the partial size of the gravel of gravel layer 7 is
20mm~30mm.When entering, 7 water of gravel layer is more, and when being more than rainwater infiltration recharge of groundwater ability, rainwater can be in gravel layer 7
Accumulation enters rainwater reuse channel by collector pipe 91.On the one hand it realizes the recycling of rainwater, rationalize and maximally utilize, separately
On the one hand prevent the excessive purification for influencing concave herbaceous field of rainwater accumulation from regulating and storing effect.Gravel not only has the objects such as absorption, retention
Processing function is managed, while biomembrane can be formed on gravel surface, realizes the biological removal to organic pollutant.
Overflow well 8 is provided in biological layer of charcoal 4, overflow well 8 passes through planting soil layer 2, and overflow well 8 includes overflow port, overflow
Mouth is higher than planting soil layer 2.After being provided with sandstone layer 1, overflow well 8 also extends through sandstone 1, and overflow port is higher than 1 upper surface of sandstone layer
10cm or more.It is provided with filter screen at overflow port, prevents the pollutants such as rubbish, fallen leaves from entering pipeline.When rainfall runoff is excessive super
When crossing infiltration grade ability under the greenery patches, Storm Sewer System is directly discharged by overflow well 8, excessive rainwater is avoided to influence the normal fortune in greenery patches
Row.
Water collecting structure is provided in gravel layer 7, water collecting structure includes collector pipe 91, water-permeable pipe 92 and water-permeable brick 93, three
It is wholly embedded into gravel layer 7.The bottom of gravel layer 7 is arranged in collector pipe 91, and water-permeable pipe 92 is that center axis is in collector pipe 91
Circumferential array is connected on collector pipe 91, and water-permeable pipe 92 is connected with collector pipe 91.Water-permeable pipe 92 includes 92 first end of water-permeable pipe
With 92 second end of water-permeable pipe, 92 first end of water-permeable pipe is connected with collector pipe 91, and 92 first end of water-permeable pipe is lower than water-permeable pipe 92 the
The minimum point that gravel layer 7 is arranged in two ends, i.e. collector pipe 91, water-permeable pipe 92 are whole radial to be similar to horn-like structure
Setting.
The diameter of water-permeable pipe 92 is about 20mm, and permeable hole, aperture 2mm~4mm, pitch of holes 8mm are provided on water-permeable pipe 92
~10mm is coated with permeable geotextiles on water-permeable pipe 92, and permeable geotextiles are covered on permeable hole.
Water-permeable brick 93 erects the top and side that collector pipe 91 and water-permeable pipe 92 is arranged in, and forms the envelope for having lid bottomless
Space is closed, collector pipe 91 and water-permeable pipe 92 are arranged in the enclosure space.It is formed by water-permeable brick 93 in 7 bottom of gravel layer permeable
Filtration channel, surrounding water-permeable brick 93 stand vertically arrangement and form quadrilateral structure, and top is arranged water-permeable brick 93 and forms water-permeable brick 93
After cover board, certain permeable space is surrounded.93 thickness of water-permeable brick is about 50mm~80mm, and water-permeable pipe 92 and collector pipe 91 are arranged in
In this permeable space, it can prevent the expansion of gravel layer 7 from squeezing perforation water-permeable pipe 92, protection perforation water-permeable pipe 92.Water-permeable brick 93 has
There is good permeable, permeability, rainwater can be made to rapidly permeate into, also pollutant can be removed by the functions such as adsorbing, filtering, into one
Step improves clean-up effect.Into gravel layer 7 rainwater by entering water-permeable pipe 92 after water-permeable brick 93, hole water-permeable pipe 92 is radial
It is arranged to collector pipe 91 and tilts, guarantees that rainwater smoothly imports collector pipe 91.
Rainwater is by sandstone layer, plantation layer, the lower infiltration of hay layer 3, into biological layer of charcoal 4,5 filtration, purification of haydite layer, then
Enter gravel layer 7 by permeable geotextiles.By the way that after water-permeable brick 93, rainwater can seep recharge of groundwater down, can also in gravel layer 7
By entering perforation water-permeable pipe 92 after centainly accumulating, then imports collector pipe 91 and be recycled.
The above is only the embodiment of the present invention, are not intended to limit the scope of the invention, all to be said using the present invention
Equivalent structure or equivalent flow shift made by bright book and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of concave herbaceous field structure, which is characterized in that from top to bottom successively include: planting soil layer, biological layer of charcoal, permeable soil
Work layer of cloth, gravel layer；
The material of the planting soil layer is planting soil, and the material of the biology layer of charcoal is charcoal, the permeable geotextile layer
Material is permeable geotextiles, and the material of the gravel layer is gravel；
It is provided with overflow well in the biology layer of charcoal, the overflow well passes through the planting soil layer, and the overflow well includes overflow
Mouthful, the overflow port is higher than the planting soil layer, is provided with filter screen at the overflow port；
Water collecting structure is provided in the gravel layer, the water collecting structure includes collector pipe, water-permeable pipe and water-permeable brick；It is described to catchment
The bottom of the gravel layer is arranged in pipe, and the water-permeable pipe is connected to the collector pipe in circumferential array using collector pipe as center axis
On, the water-permeable pipe is connected with collector pipe；It is provided with permeable hole on the water-permeable pipe, permeable soil is coated on the water-permeable pipe
Work cloth；The water-permeable brick erects the top and side that the collector pipe and water-permeable pipe is arranged in, and forms enclosure space.
2. a kind of concave herbaceous field structure according to claim 1, it is characterised in that: the greenery patches structure further includes sandstone
The top of the planting soil layer is arranged in layer, the sandstone layer, and the material of the sandstone layer is sandstone, the thickness of the sandstone layer
For 30mm~50mm.
3. a kind of concave herbaceous field structure according to claim 1, it is characterised in that: the planting soil layer with a thickness of
150mm~300mm.
4. a kind of concave herbaceous field structure according to claim 1, it is characterised in that: the greenery patches structure further includes hay
Layer, between the planting soil layer and biological layer of charcoal, the material of the hay layer is hay, the hay for the hay layer setting
Layer with a thickness of 30mm~60mm.
5. a kind of concave herbaceous field structure according to claim 1, it is characterised in that: it is described biology layer of charcoal with a thickness of
The partial size of 100mm~150mm, the charcoal of the biology layer of charcoal are in 2mm~4mm.
6. a kind of concave herbaceous field structure according to claim 1, it is characterised in that: the greenery patches structure further includes haydite
Layer, between the biological layer of charcoal and permeable geotextile layer, the material of the haydite layer is haydite for the haydite layer setting.
7. a kind of concave herbaceous field structure according to claim 6, it is characterised in that: the haydite layer with a thickness of
150mm~200mm；The partial size of the haydite of the haydite layer is 5mm~20mm.
8. a kind of concave herbaceous field structure according to claim 1, it is characterised in that: the gravel layer with a thickness of
150mm~200mm, the partial size of the gravel of the gravel layer are 20mm~30mm.
9. a kind of concave herbaceous field structure according to claim 1, it is characterised in that: the water-permeable pipe includes water-permeable pipe
One end and water-permeable pipe second end, the water-permeable pipe first end are connected with the collector pipe, and the water-permeable pipe first end is lower than institute
State water-permeable pipe second end.
10. a kind of concave herbaceous field structure according to claim 1, it is characterised in that: the permeable hole and permeable hole it
Between spacing be 8mm~10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641880.5A CN109853701A (en) | 2018-12-29 | 2018-12-29 | A kind of concave herbaceous field structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641880.5A CN109853701A (en) | 2018-12-29 | 2018-12-29 | A kind of concave herbaceous field structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109853701A true CN109853701A (en) | 2019-06-07 |
Family
ID=66893434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811641880.5A Withdrawn CN109853701A (en) | 2018-12-29 | 2018-12-29 | A kind of concave herbaceous field structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109853701A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110720373A (en) * | 2019-11-28 | 2020-01-24 | 仲恺农业工程学院 | Shallow water planting method for large bare-root nursery stocks and planting pits thereof |
| CN112830581A (en) * | 2021-01-07 | 2021-05-25 | 江苏龙腾工程设计股份有限公司 | Seepage well type biological retention pond and construction method thereof |
-
2018
- 2018-12-29 CN CN201811641880.5A patent/CN109853701A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110720373A (en) * | 2019-11-28 | 2020-01-24 | 仲恺农业工程学院 | Shallow water planting method for large bare-root nursery stocks and planting pits thereof |
| CN112830581A (en) * | 2021-01-07 | 2021-05-25 | 江苏龙腾工程设计股份有限公司 | Seepage well type biological retention pond and construction method thereof |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190607 |
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