A kind of LID trees pond
Technical field
The present invention relates to city common equipment, specifically, is related to a kind of LID trees pond.
Background technology
Tree pond is the artificial works for planting trees, is the requisite space of arboreal growth in urban road and square.
Tree pond of the traditional tree pond especially on the tile work of pavement, main function are protection vegetation, less by man's activity, while can be with paving
Dress, water body, sculpture etc. combine enhancing landscape effect, if place of having a rest can also be provided for pedestrian by adding bench.
Plantation height is improved in traditional tree pond in order to ensure that trees surviving rate usually builds high pond body, prevents impeded drainage or underground
The excessive root drowning of water level, or in order to which a trees high position is transplanted in specific landscape design.Such a mode causes in addition to tree crown
Rainwater is difficult to be imported in tree pond, and most of rainwater flows into pipe network with pavement runoff, while be easy to cause the loss of planting soil.
On the other hand, to set and mat formation mostly waterproof around pond, when heavy rain, easily forms flood, and when waterlogging is decorporated
Afterwards, setting the moisture accumulated in pond can not discharge in time, and root system anoxic easily rot by poisoning, increases municipal maintenance cost.
The content of the invention
The technical problems to be solved by the invention are in view of the deficiencies of the prior art, there is provided a kind of low influence development facility --
LID trees pond.
The technical solution that the present invention solves above-mentioned technical problem is as follows:
The full name of LID English is LowImpactDevelopment, is the Storm Water Management developed late 1990s
With pollution of area source treatment technology, it is intended to by scattered, small-scale source control reaching to runoff caused by heavy rain and
The control of pollution, makes development area as far as possible close to natural hydrologic cycle.LID is low, and influence exploitation is that one kind can easily realize city
The ecological technique system of city's rainwater catchment system, its key are collection, self-purification, nearby utilization or covering underground in situ
Water.
The present invention provides a kind of LID trees pond, including:
Pond body is set, the tree pond body is embedded in road surface;
Inlet for stom water, the inlet for stom water are embedded in road surface and positioned at the side of tree pond body;
Void channels, the inner cavity of the void channels connection tree pond body and inlet for stom water.
The beneficial effects of the invention are as follows:The LID trees pond of the present invention;The places such as road, square can be built in, to rainwater into
Row is collected, purifies and utilized, while is dissolved by rainwater and alleviated pipe network pressure of flood.The rainwater to converge when raining, in inlet for stom water
Underground can be infiltrated through by setting pond, alleviate pipe network pressure of flood, since permeable formation is made of bulky grain cobble and graded broken stone,
Porosity is big, is arranged in around void channels, and for dirt bed, rainwater is more easy to infiltration and discharges, therefore the setting of permeable formation
Tree pond penetrating power is enhanced, reduces the flooding time of root system;After discharge being oozed when not raining or under water storage, void channels
Porous deferent is identical with air, improves the permeability of soil, reduces root system anoxic risk, while be conducive to microorganism to soil
Earth decomposes, so that the porosity and permeance property of part recovery system.Rainfall initial stage, tree pond soil is relatively dry, and moisture content is unsaturated,
Inlet for stom water rainwater can be infiltrated through by void channels in tree pond soil at this time, slow down pipe network pressure of flood;The rainfall middle and later periods and
At the end of rainfall is firm, soil is in saturation state, while aquifer water level is higher, at this time aquifer and inlet for stom water water inlet (its
Middle water inlet is the bellmouth for being arranged on inlet for stom water 2 close to the side of tree pond body) form water-head, aquifer and tree pond soil
Ponding can be slowly arranged to inlet for stom water by void channels, avoids root system from being chronically at floodage.
Preferably, the tree pond body includes the hollow pond body of upper opening and the tree Chi Bentibao in pond body
Include hollow and upper opening pond body and the filter layer, planting soil layer and the permeable formation that are arranged in pond body, the planting soil layer
The lower section of filter layer is located at, the permeable formation is embedded in the middle part of planting soil layer, and the void channels are embedded in permeable formation, described
Grid double-edged fine-toothed comb is connected with the upper opening of pond body, described void channels one end is connected with inlet for stom water, and the other end, which is embedded, to permeate
In layer, and arrangement inside pond body is looped around, is conducive to rain penetration.
Preferably, aquifer is left between filter layer and the grid double-edged fine-toothed comb, the height of the aquifer is 10-15cm.
Preferably, the void channels depth of burying is 1-2m, and general municipal administration inlet for stom water depth is 0.5-1m, void channels and rain
Mouth of a river interface (at i.e. foregoing bellmouth) is higher than inlet for stom water bottom 5-10cm.Layer height 5-20cm is filtered, depending on reality
Depending on the situation of border.
The beneficial effect of above-mentioned preferred solution is:Shu Chi top layers height is reduced, forms the aquifer of certain recessed height,
Charge for remittance is more conducive to compared to traditional tree pond.Certain water storage space is provided at the same time, can be used as haffir, with other lifes
State tree pond is compared, and the design is not required to separately set water storage room, reduces engineering cost;There is provided filter layer, enhances tree pond to rainwater
Detergent power.Temporary transient water storage at the same time, water alleviation flood peak can be saved when rainy, and rain stops rear water storage space rainwater and slowly holds
Oozed under continuous, discharged by void channels, the growth of plant will not be influenced.
Preferably, the filter layer is made of filter medium, and the filter medium includes haydite, quartz sand and medium coarse sand,
Bulky grain cobble is stacked above the filter medium, to prevent current scour to be lost in.
Preferably, the permeable formation is made of cobble and graded broken stone.
The beneficial effect of above-mentioned preferred solution is:It can effectively realize the filtration, purification and rain to water body
Water is lost in caused by washing away.
Preferably, the side wall of the inlet for stom water is equipped with water inlet, and the water inlet is connected with void channels, it is described into
Covered with guard at the mouth of a river, the top of the guard sets the through hole for filtering.Guard is provided with inlet for stom water, is partly had thereon
Hole design, the non-porous design of lower part, are conducive to abandoned stream initial rainwater and filter large particulate matter, avoid blocking.With other ecologies
Tree pond is compared, and the design is simple, cheap, saving space, it is not necessary to special design abandoned stream and filtration apparatus.
Brief description of the drawings
Fig. 1 is the structure diagram in the LID trees pond of the present invention.
Description of reference numerals:
1. tree pond body, 11. pond bodies, 12. filter layers, 13. planting soil layers, 14. permeable formations, 15, grid double-edged fine-toothed comb, 16. store
Water layer, 2. inlets for stom water, 21. guards, 3. void channels.
Embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, the present invention provides a kind of LID trees pond, including:Pond body 1 is set, the tree pond body is embedded on road surface
It is interior;Inlet for stom water 2, the inlet for stom water 2 are embedded in road surface and positioned at the side of tree pond body;Void channels 3, the void channels
3 connection tree pond bodies and inlet for stom water 2.Wherein void channels 3 refer to there is multiple equally distributed through holes on the side wall of pipeline
Pipeline, generally using plastic material make, service life length, it is corrosion-resistant.LID trees pond is built in the place such as road, square, it is right
Rainwater is collected, purifies and utilizes, while is dissolved by rainwater and alleviate pipe network pressure of flood.When raining, converge in inlet for stom water
Rainwater can infiltrate through underground by setting pond, alleviate pipe network pressure of flood, while there is provided permeable formation to enhance the infiltration of tree pond
Ability, reduces the flooding time of root system;After oozing discharge when not raining or under water storage, void channels 3 are identical with air, carry
The high permeability of soil, reduces root system anoxic risk, while is conducive to microorganism and soil is decomposed, so that part restorer
The porosity and permeance property of system.
It is described to set filter layer 12, the kind that pond body 1 includes the hollow pond body 11 of upper opening and is arranged in pond body 11
Plant soil layer 13 and permeable formation 14, the planting soil layer 13 are located at the lower section of filter layer 12, the permeable formation 14 is embedded in planting soil
The middle part of layer 13, the void channels 3 are embedded in permeable formation 14, are conducive to rain penetration.The filter layer 12 and grid double-edged fine-toothed comb
Aquifer 16 is left between 15, the height of the aquifer 16 is 10-15cm.
That is, reduce the height of Shu Chi top layers (i.e. filter layer), the thus shape between filter layer and grid double-edged fine-toothed comb
Into certain idle area, this idle area, when not raining, connects with external, can coordinate with void channels, more preferably
Realize the ventilative of root system of plant;And when rainy, then the aquifer of certain recessed height is formed, is more conducive to compared to traditional tree pond
Charge for remittance.Certain water storage space is provided in a period of time after the rain at the same time, compared with other ecology tree ponds, the design is not required to separately
If water storage room, reduces engineering cost;There is provided filter layer, enhances detergent power of the tree pond to rainwater.
The filter layer 12 is made of filter medium, and the filter medium includes haydite, quartz sand and medium coarse sand, the mistake
Bulky grain cobble is stacked above filter medium.Bulky grain cobble weight is larger, filter medium caused by can preventing current scour
It is lost in;Haydite, quartz sand and filter medium made of medium coarse sand, can purifying water body and root system it is ventilative.Meanwhile
Filter layer can be made in haydite, quartz sand and medium coarse sand by way of being successively laid with, and can also show and mix it by a certain percentage
Close, re-lay in the top of permeable formation.
The permeable formation 14 is made of cobble and graded broken stone, can further be purified water after filter layer, at the same time
Gap between component can ensure the breathing of root system.
The side wall of the inlet for stom water 2 is equipped with water inlet, and the water inlet is connected with void channels, the water inlet
Guard 21 is connected with, the top of the guard 21 sets the through hole for filtering.To be arranged on, inlet for stom water 2 is close to set pond sheet to water inlet
The bellmouth of the side of body, the size of the smaller one end of bellmouth are matched with the size of void channels 3, and larger one end is towards inlet for stom water
Inside 2, larger one end is equipped with guard 21, and guard 21 and ground are perpendicular.The upper part of guard 21 have hole design, lower part without
Hole is designed, and is conducive to abandoned stream initial rainwater and is filtered large particulate matter, avoids blocking.Compared with other ecology tree ponds, the design
Simply, inexpensively, save space, it is not necessary to special design abandoned stream and filtration apparatus.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.