CN108915063A - There is section plant of dirty purification function shallowly careless ditch for sponge city - Google Patents
There is section plant of dirty purification function shallowly careless ditch for sponge city Download PDFInfo
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- CN108915063A CN108915063A CN201810825887.6A CN201810825887A CN108915063A CN 108915063 A CN108915063 A CN 108915063A CN 201810825887 A CN201810825887 A CN 201810825887A CN 108915063 A CN108915063 A CN 108915063A
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- soil
- shallowly
- auxiliary device
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- 238000000746 purification Methods 0.000 title claims abstract description 18
- 239000002689 soil Substances 0.000 claims abstract description 74
- 239000004746 geotextile Substances 0.000 claims abstract description 46
- 230000035515 penetration Effects 0.000 claims abstract description 35
- 238000003860 storage Methods 0.000 claims abstract description 15
- 238000009792 diffusion process Methods 0.000 claims abstract description 6
- 235000013311 vegetables Nutrition 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 abstract description 10
- 230000008595 infiltration Effects 0.000 abstract description 10
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 244000025254 Cannabis sativa Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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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
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Sewage (AREA)
Abstract
There is the plant shallowly careless ditch, including original state soil layer, the second sandy gravel stratum and the second geotextiles filter layer for cutting dirty purification function the present invention is provided to sponge city；Symmetrical shape is respectively arranged with one piece of edge skewback in original state soil layer top side soil between two pieces of sides draining curbs, and side draining curb adjacent thereto fits two pieces of edge skewbacks respectively.Because the first geotextiles filter layer is contacted with rain penetration auxiliary device, pass through the characteristic of sponge material in rain penetration auxiliary device, rainwater can be along the quick seepage flow of rain penetration auxiliary device, because the sponge layered structure overall structure in rain penetration auxiliary device is similar to root system of plant structure, and it is distributed in inside undisturbed soil aquifer in diffusion type, therefore rainwater can rapidly scattering and permeating in undisturbed soil aquifer, accelerate the infiltration coefficient to undisturbed soil soil aquifer, convenient for the quick infiltration of rainwater, reinforce planting shallow careless ditch to the flood storage regulating power of rainwater.
Description
Technical field
The invention belongs to rainwater treatment technical fields, more specifically, in particular to cut dirt for having for sponge city
The plant of purification function shallowly careless ditch.
Background technique
Shallow grass ditch is the key facility of road rain water diafiltration, and shallow grass ditch is that one kind realizes rainwater treatment and resource utilization
Device, it is a kind of engineering that kind has vegetation in earth's surface irrigation canals and ditches that shallow grass ditch, which is also known as Glassed swale, grass planting shallow ridges, grass planting ditch,
Property measure, generally by gravity stream collect handle runoff rainwater.When rainwater flows through shallow careless ditch, in precipitating, filtering, infiltration, suction
Receive and the collective effects such as biodegrade under, most of pollutant in runoff is removed, reach rainfall runoff Collection utilization and
The purpose of runoff pollution control.Since its structure is simple, investment is small, construction is fast, easy to maintain, have very well to small intensity rainfall runoff
Purified treatment effect, while can effectively cut down runoff peak value, moreover it is possible to build good landscape effect, be a kind of promising rain
Water process with utilize facility.
Based on above-mentioned, the inventors discovered that, when amount of rainfall is larger, a large amount of rainwater is difficult quickly to penetrate into soil infiltration
In the saturating lower undisturbed soil aquifer of coefficient, cause a large amount of rainwater can only be discharged by overflow mechanism municipal Storm Sewer Network or its
It is lower to the flood storage regulating power of rainwater to lead to plant shallowly careless ditch for its water body.
Such as application number：The invention discloses a kind of shallow careless ditches, including overflow mechanism, geotextiles by CN201310740304.7
Layer, vegetable layer and planting soil layer, vegetable layer are located above planting soil layer, further include filter layer and aquifer, and filter layer is located at kind
It plants below soil layer and is located above geotextile layer, aquifer is located at below geotextile layer.When rainwater is flowed into shallow careless ditch by road surface
When, rainwater passes sequentially through planting soil layer, filter layer, geotextile layer and aquifer, finally flows into original state soil layer.Due under filter layer
Face is disposed with aquifer, and aquifer can quickly accommodate more rainwater, and original state soil layer lower for soil permeability coefficient stores
Water layer can accommodate rainwater in time, penetrate into original state soil layer again positioned at the rainwater of aquifer, aquifer can quick water storage, pass through peace
Dress filter layer efficiently avoids the case where soil property blocking geotextile layer of planting soil layer, quickly penetrates into aquifer convenient for rainwater,
Effectively improve the flood storage regulating power of shallow careless ditch regional rainwater lower to soil permeability coefficient.
Based on above-mentioned patent, although storing inventors have found that above-mentioned patent temporarily stores rainwater by increased aquifer
The rainwater capacity that water layer itself may store is less, and the flood storage regulating power that can be played is weaker, solution that still can not be basic
The lower problem of original state soil layer rain penetration coefficient.
Then, in view of this, being studied improvement for existing structure and missing, having for sponge city is provided
The plant of dirty purification function shallowly careless ditch is cut, to achieve the purpose that with more more practical value.
Summary of the invention
In order to solve the above technical problem, the present invention provides have the plant for cutting dirty purification function shallowly careless for sponge city
Ditch, to solve when amount of rainfall is larger, a large amount of rainwater is difficult quickly to penetrate into the lower undisturbed soil storage of soil permeability coefficient
Problem in water layer.
The present invention for the shallow grass ditch of plant cut with dirty purification function in sponge city purpose and, by detail below
Technological means is reached：
There is the plant shallowly careless ditch, including original state soil layer, side draining curb, side for cutting dirty purification function for sponge city
It is seeped along skewback, concrete water-storage tank main body, reservoir, overflow well, connecting pipe, subsoil drain, undisturbed soil aquifer, rainwater
Saturating auxiliary device, sponge layered structure, cuts dirty purifying layer, vegetable layer, vegetation plantation layer, the first sandy gravel stratum, the first soil at spongy layer
Work cloth filter layer, intercept layer, the second sandy gravel stratum and the second geotextiles filter layer；Original state between two pieces of side draining curbs
Symmetrical shape is respectively arranged with one piece of edge skewback in the soil of soil layer top side, and two pieces of edge skewbacks respectively with
Its adjacent side draining curb fits；It is provided in the original state soil layer of two pieces of edge skewback bottoms described
Concrete water-storage tank main body, and inside offers the reservoir；The concrete retention reservoir bottom part body is arranged in time interval
Column-shaped is connected with the overflow unit that several groups are connected with the reservoir altogether, and every group of overflow unit is in left and right pair by two
The overflow well claimed is formed；Pass through a connecting pipe between two overflow wells in every group of overflow unit
Be connected, and two overflow wells in every group of overflow unit distinguish between the subsoil drain adjacent thereto also by
A piece connecting pipe is connected；Reservoir inner wall bottom end is provided with by second sandy gravel stratum and the second geotextiles mistake
The intercept layer that filtering layer collectively constitutes；The second geotextiles filter layer is located below to connect with reservoir inner wall bottom end
Touching, and the second geotextiles filter layer size is consistent with reservoir inner wall bottom end；The second sandy gravel stratum place mat is in described
The top of second geotextiles filter layer；The reservoir inner wall is from the intercept layer up up to the full original state is filled in open end
Native aquifer；Undisturbed soil aquifer top side is provided with the rain penetration auxiliary device.
Further, the rain penetration auxiliary device is collectively constituted by the spongy layer and the sponge layered structure；
The spongy layer place mat is in the top of the undisturbed soil aquifer.
Further, the spongy layer bottom face is fixedly connected with several groups in time interval arrangement shape and is integrated with formula
The sponge layered structure of structure, and be not in contact with each other between sponge layered structure described in every group.
Further, sponge layered structure described in the several groups that the spongy layer bottom face is fixedly connected is buried in institute
It states inside undisturbed soil aquifer.
Further, the sponge layered structure overall structure in the rain penetration auxiliary device and plant roots tying
Structure is similar, and is distributed in inside the undisturbed soil aquifer in diffusion type.
Further, it is provided with above the rain penetration auxiliary device by the vegetable layer, vegetation plantation layer, the first sand
Gravel bed and the first geotextiles filter layer collectively constitute described section dirty purifying layer, and cut a dirty purifying layer to be located at two pieces of edges oblique
Between block.
Further, the first geotextiles filter layer is in contact with the spongy layer；The first sandy gravel stratum place mat in
Above the first geotextiles filter layer.
Further, place mat has one layer of vegetation plantation layer above first sandy gravel stratum, and vegetation plants layer on kind
It is implanted with one layer of vegetable layer.
Compared with prior art, the present invention has the advantages that：
Rainwater, which is firstly gathered at, to be cut on dirty purifying layer, and rain penetration enters in vegetable layer and vegetation plantation layer, with stream in rainwater
Big impurity via rain penetration enter vegetable layer and vegetation plantation layer be filtered obstruction, later rainwater and and its with stream part
Vegetation plants soil in layer and passes through the first sandy gravel stratum, carries out via the first sandy gravel stratum to soil in the part vegetation plantation layer with stream
Filtering stops, and contact is to the first geotextiles filter layer after rainwater passes through the first sandy gravel stratum, because of the material of the first geotextiles filter layer
Characteristic, rainwater can permeate rapidly, and soil is via the first geotextiles filter layer in the remaining vegetation plantation layer of rain water part
Obstruction is filtered, because the first geotextiles filter layer is contacted with rain penetration auxiliary device, by extra large in rain penetration auxiliary device
The characteristic of continuous material, rainwater can be along the quick seepage flow of rain penetration auxiliary device, because of the sponge layering in rain penetration auxiliary device
Structure overall structure is similar to root system of plant structure, and is distributed in inside undisturbed soil aquifer in diffusion type, therefore rainwater can be rapid
Scattering and permeating is accelerated in undisturbed soil aquifer to the infiltration coefficient of undisturbed soil soil aquifer, convenient for the quick infiltration of rainwater,
Reinforce planting shallow careless ditch to the flood storage regulating power of rainwater.
Detailed description of the invention
Fig. 1 is plant of the invention shallowly careless ditch structural schematic diagram.
Fig. 2 is rain penetration assistant apparatus structure schematic diagram of the invention.
Fig. 3 is rain penetration auxiliary device part amputated structure schematic diagram of the invention.
Fig. 4 is that the dirt that cuts of the invention purifies schematic diagram of a layer structure.
Fig. 5 is interception schematic diagram of a layer structure of the invention.
Fig. 6 is in Fig. 1 of the invention without a section dirty purifying layer, rain penetration auxiliary device, interception schematic diagram of a layer structure.
Fig. 7 is side schematic cross-sectional view in Fig. 6 of the invention.
Fig. 8 is A-A schematic cross-sectional view in Fig. 2 of the invention.
In figure, the corresponding relationship of component names and accompanying drawing number is：
1- original state soil layer, the side 2- drain curb, the edge 3- skewback, 4- concrete water-storage tank main body, 401- reservoir, 5-
Overflow well, 6- connecting pipe, 7- subsoil drain, 8- undisturbed soil aquifer, 9- rain penetration auxiliary device, 901- spongy layer,
902- sponge layered structure, 10- sections of dirty purifying layers, 1001- vegetable layer, 1002- vegetation plantation layer, the first sandy gravel stratum of 1003-,
1004- the first geotextiles filter layer, 11- intercept layer, the second sandy gravel stratum of 1101-, 1102- the second geotextiles filter layer.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment：
As shown in attached drawing 1 to attached drawing 8：
There is the plant shallowly careless ditch, including original state soil layer 1, side row for cutting dirty purification function the present invention is provided to sponge city
Water curb 2, edge skewback 3, concrete water-storage tank main body 4, reservoir 401, overflow well 5, connecting pipe 6, subsoil drain
7, undisturbed soil aquifer 8, rain penetration auxiliary device 9, spongy layer 901, sponge layered structure 902, section dirty purifying layer 10, vegetation
Layer 1001, vegetation plant layer 1002, the first sandy gravel stratum 1003, the first geotextiles filter layer 1004, intercept layer 11, the second sandy gravel stratum
1101 and the second geotextiles filter layer 1102；In a left side in 1 top side soil of original state soil layer between two pieces of side draining curbs 2
Right symmetry shape is respectively arranged with one piece of edge skewback 3, and two pieces of edge skewbacks 3 distinguish side row adjacent thereto
Water curb 2 fits；The concrete retention reservoir is provided in the original state soil layer 1 of two pieces of 3 bottoms of edge skewback
Main body 4, and inside offers the reservoir 401；4 bottom of concrete water-storage tank main body connects altogether in time interval arrangement shape
It is connected to the overflow unit that several groups are connected with the reservoir 401, and every group of overflow unit is symmetrical by two
The overflow well 5 is formed；Pass through a connecting pipe 6 between two overflow wells 5 in every group of overflow unit
It is connected, and the overflow well 5 of two in every group of overflow unit is distinguished and also led between the subsoil drain 7 adjacent thereto
The connecting pipe 6 is crossed to be connected；The 401 inner wall bottom end of reservoir is provided with by second sandy gravel stratum 1101 and
The intercept layer 11 that two geotextiles filter layers 1102 collectively constitute；The second geotextiles filter layer 1102 is located below and institute
It states 401 inner wall bottom end of reservoir to be in contact, and 1102 size of the second geotextiles filter layer and the 401 inner wall bottom end phase of reservoir
Unanimously；Second sandy gravel stratum, 1101 place mat is in the top of the second geotextiles filter layer 1102；401 inner wall of reservoir
From the intercept layer 11 up up to the full undisturbed soil aquifer 8 is filled in open end；8 top side of the undisturbed soil aquifer setting
There is the rain penetration auxiliary device 9.
Wherein, the rain penetration auxiliary device 9 is by 902 common groups of the spongy layer 901 and the sponge layered structure
At；901 place mat of spongy layer is in the top of the undisturbed soil aquifer 8
Wherein, 901 bottom face of spongy layer is fixedly connected with several groups in time interval arrangement shape and is integrated with formula
The sponge layered structure 902 of structure, and be not in contact with each other between sponge layered structure 902 described in every group.
Wherein, sponge layered structure 902 described in the several groups that 901 bottom face of spongy layer is fixedly connected is buried in
Inside the undisturbed soil aquifer 8.
Wherein, 902 overall structure of sponge layered structure in the rain penetration auxiliary device 9 and plant roots tying
Structure is similar, and is distributed in inside the undisturbed soil aquifer 8 in diffusion type, thus rainwater can rapidly scattering and permeating in the undisturbed soil
In aquifer 8, accelerate the infiltration coefficient to the undisturbed soil aquifer 8, convenient for the quick infiltration of rainwater, reinforces planting shallow careless ditch pair
The flood storage regulating power of rainwater.
Wherein, be provided with above the rain penetration auxiliary device 9 by the vegetable layer 1001, vegetation plantation layer 1002,
The described section of dirty purifying layer 10 that first sandy gravel stratum 1003 and the first geotextiles filter layer 1004 collectively constitute, and cut dirty purifying layer 10
Between two pieces of edge skewbacks 3.
Wherein, the first geotextiles filter layer 1004 is in contact with the spongy layer 901；First sandy gravel stratum 1003
Place mat is above the first geotextiles filter layer 1004, via the first geotextiles filter layer 1004 and first gravel
Layer 1003 plays corresponding filtration.
Wherein, the 1003 top place mat of the first sandy gravel stratum has one layer of vegetation plantation layer 1002, and vegetation plants layer
Kind is implanted with one layer of vegetable layer 1001 on 1002, plants in 1002 pairs of rainwater of layer via the vegetable layer 1001 and vegetation with stream
Big impurity via be filtered stop.
The specifically used mode and effect of the present embodiment：
Rain water-harvesting is on cutting dirty purifying layer 10, and rain penetration enters in vegetable layer 1001 and vegetation plantation layer 1002, rainwater
In with stream big impurity via rain penetration enter vegetable layer 1001 and vegetation plantation layer 1002 be filtered obstruction, later rainwater and
The first sandy gravel stratum 1003 is passed through with soil in its part vegetation plantation layer 1002 with stream, via the first sandy gravel stratum 1003 to stream
Part vegetation plantation layer 1002 in soil be filtered obstructions, rainwater passes through after the first sandy gravel stratum 1003 contact to first geotechnological
Cloth filter layer 1004, because of the characteristic of the material of the first geotextiles filter layer 1004, rainwater can permeate rapidly, and rain water part is residual
Soil filters obstruction via the first geotextiles filter layer 1004 in the vegetation plantation layer 1002 stayed, because of the first geotextiles filter layer
1004 contact with rain penetration auxiliary device 9, and by the characteristic of sponge material in rain penetration auxiliary device 9, rainwater can be along rain
The quick seepage flow of water penetration auxiliary device 9, because in rain penetration auxiliary device 9 902 overall structure of sponge layered structure and plant
Root structure is similar, and is distributed in inside undisturbed soil aquifer 8 in diffusion type, therefore rainwater scattering and permeating can store rapidly in undisturbed soil
In water layer 8, with the continuous infiltration of rainwater, the rainwater of infiltration reaches 8 bottom of undisturbed soil aquifer and is in contact with intercept layer 11, rain
Water first passes through the second sandy gravel stratum 1101 to being wherein filtered with soil in the undisturbed soil aquifer 8 of stream, touches later
Two geotextiles filter layers, 1102 rapid osmotic passes through the second sandy gravel stratum with rainwater via 1102 pairs of parts of the second geotextiles filter layer
Soil carries out secondary filter in 110 undisturbed soil aquifer 8, and rainwater finally penetrates the second geotextiles filter layer 1102 and flows respectively
Enter to overflow well 5, then by being flowed in subsoil drain 7 along connecting pipe 6.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application
It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (8)
1. there is section plant of dirty purification function shallowly careless ditch for sponge city, it is characterised in that：This is used for the tool in sponge city
Have the plant for cutting dirty purification function shallowly careless ditch include original state soil layer, side draining curb, edge skewback, concrete water-storage tank main body,
Reservoir, overflow well, connecting pipe, subsoil drain, undisturbed soil aquifer, rain penetration auxiliary device, spongy layer, sponge point
Layer structure cuts dirty purifying layer, vegetable layer, vegetation plantation layer, the first sandy gravel stratum, the first geotextiles filter layer, intercept layer, the second sand
Gravel bed and the second geotextiles filter layer；It is symmetrical in original state soil layer top side soil between two pieces of side draining curbs
Shape is respectively arranged with one piece of edge skewback, and two pieces of edge skewbacks distinguish draining curb in the side adjacent thereto
It fits；The concrete water-storage tank main body is provided in the original state soil layer of two pieces of edge skewback bottoms, and internal
Offer the reservoir；The concrete retention reservoir bottom part body in time interval arrangement shape be connected with altogether several groups with it is described
The overflow unit that reservoir is connected, and every group of overflow unit is made of two symmetrical overflow wells；Often
It is connected by a connecting pipe between two overflow wells in group overflow unit, and in every group of overflow unit
Two overflow wells be connected between the subsoil drain adjacent thereto also by a connecting pipe respectively；
Reservoir inner wall bottom end is provided with the interception collectively constituted by second sandy gravel stratum and the second geotextiles filter layer
Layer；The second geotextiles filter layer is located below to be in contact with reservoir inner wall bottom end, and the second geotextiles filter layer
Size is consistent with reservoir inner wall bottom end；The second sandy gravel stratum place mat is upper in the second geotextiles filter layer
Side；The reservoir inner wall is from the intercept layer up up to the full undisturbed soil aquifer is filled in open end；The undisturbed soil
Aquifer top side is provided with the rain penetration auxiliary device.
2. there is section plant of dirty purification function shallowly careless ditch for sponge city as described in claim 1, it is characterised in that：It is described
Rain penetration auxiliary device is collectively constituted by the spongy layer and the sponge layered structure；The spongy layer place mat is in the original
The top of shape soil aquifer.
3. there is section plant of dirty purification function shallowly careless ditch for sponge city as described in claim 1, it is characterised in that：It is described
Spongy layer bottom face is fixedly connected with the sponge layering knot that several groups are integrated with formula structure in time interval arrangement shape
Structure, and be not in contact with each other between sponge layered structure described in every group.
4. there is section plant of dirty purification function shallowly careless ditch for sponge city as described in claim 1, it is characterised in that：It is described
Sponge layered structure described in the several groups that spongy layer bottom face is fixedly connected is buried in inside the undisturbed soil aquifer.
5. there is section plant of dirty purification function shallowly careless ditch for sponge city as described in claim 1, it is characterised in that：It is described
The sponge layered structure overall structure in rain penetration auxiliary device is similar to root system of plant structure, and is distributed in diffusion type
Inside the undisturbed soil aquifer.
6. there is section plant of dirty purification function shallowly careless ditch for sponge city as described in claim 1, it is characterised in that：It is described
It is provided with above rain penetration auxiliary device by the vegetable layer, vegetation plantation layer, the first sandy gravel stratum and the filtering of the first geotextiles
The described section of dirty purifying layer that layer collectively constitutes, and cut dirty purifying layer and be located between two pieces of edge skewbacks.
7. there is section plant of dirty purification function shallowly careless ditch for sponge city as described in claim 1, it is characterised in that：It is described
First geotextiles filter layer is in contact with the spongy layer；The first sandy gravel stratum place mat is on the first geotextiles filter layer
Side.
8. there is section plant of dirty purification function shallowly careless ditch for sponge city as described in claim 1, it is characterised in that：It is described
Place mat has one layer of vegetation plantation layer above first sandy gravel stratum, and vegetation plantation layer on kind is implanted with one layer of vegetable layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825887.6A CN108915063B (en) | 2018-07-25 | 2018-07-25 | Shallow grass planting ditch with sewage intercepting and purifying functions for sponge city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825887.6A CN108915063B (en) | 2018-07-25 | 2018-07-25 | Shallow grass planting ditch with sewage intercepting and purifying functions for sponge city |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108915063A true CN108915063A (en) | 2018-11-30 |
| CN108915063B CN108915063B (en) | 2020-03-13 |
Family
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Family Applications (1)
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| CN201810825887.6A Active CN108915063B (en) | 2018-07-25 | 2018-07-25 | Shallow grass planting ditch with sewage intercepting and purifying functions for sponge city |
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| CN109511481A (en) * | 2018-12-14 | 2019-03-26 | 苍南县绿苑家禽专业合作社 | A kind of ecological, environmental protective grass planting ditch structure for chicken house |
| CN111705885A (en) * | 2020-06-23 | 2020-09-25 | 深圳市日昇生态科技股份有限公司 | Controllable slow flow sewage interception circulating structure based on sponge city construction |
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| CN108915063B (en) | 2020-03-13 |
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