CN213868148U - Rainwater garden for building sponge city - Google Patents
Rainwater garden for building sponge city Download PDFInfo
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- CN213868148U CN213868148U CN202022901343.9U CN202022901343U CN213868148U CN 213868148 U CN213868148 U CN 213868148U CN 202022901343 U CN202022901343 U CN 202022901343U CN 213868148 U CN213868148 U CN 213868148U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 238000011084 recovery Methods 0.000 claims abstract description 19
- 239000004576 sand Substances 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 11
- 235000013311 vegetables Nutrition 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 9
- 239000012466 permeate Substances 0.000 claims description 7
- 239000004746 geotextile Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 6
- 239000010813 municipal solid waste Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of view engineering design and specifically relates to a rainwater garden is used in construction sponge city is related to, and it includes rainwater garden body and sets up this internal planting district of rainwater garden, this internal cistern that is provided with of rainwater garden, the top of cistern is provided with a plurality of water inlets along week lateral wall outward, the vertical bleeder line that is provided with in the cistern, the highest point of bleeder line is less than the highest point of cistern, the bottom and the municipal rainwater recovery pipeline intercommunication of bleeder line, plant the district in from top to bottom and include vegetable layer, overburden, planting soil layer, sand bed and gravel layer in proper order, be provided with the drain pipe in the gravel layer, the drain pipe with rainwater recovery pipeline intercommunication. The application has the effect of improving the drainage performance of the rainwater garden.
Description
Technical Field
The application relates to the field of landscape engineering design, in particular to a rainwater garden for constructing a sponge city.
Background
With the acceleration of urbanization process, the problem of urban water resource is highlighted, and the contradiction between urban water shortage and frequent occurrence of rainfall flood disasters becomes a serious challenge for urban development. The rainwater garden is an effective implementation means in an urban rainwater and flood management system, and has excellent functions in the aspects of treating urban surface runoff, collecting rainwater, purifying rainwater, helping rainwater to permeate underground and recycling natural water and the like.
The rainwater garden is a shallow concave green land which is naturally formed or artificially excavated, is used for gathering and absorbing rainwater from a roof or the ground, purifies the rainwater through the comprehensive action of plants and sand, gradually permeates the soil, contains underground water, or supplies urban water such as landscape water, toilet water and the like, and is an ecologically sustainable rainwater flood control and rainwater utilization facility.
The utility model discloses a rainwater garden is disclosed in chinese utility model patent that publication number is CN207284362U, the base of rainwater garden encloses and has set gradually in from bottom to top water retaining particle layer, water retaining sand bed, planting the layer, be equipped with the perforated pipe in the water retaining particle layer, wherein: the medium used in the planting layer is planting sand or planting soil improved by the planting sand, and the planting sand is ceramic sand using fly ash vegetation.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: similarly, although the water-retaining particle layer of the rainwater garden has good water-retaining performance and can improve the survival rate of plants, when the rainfall is large, the rainwater garden does not have good drainage function, so that the rainwater in the rainwater garden and stored in the rainwater garden is excessive, and the growth of vegetation in the planting layer is adversely affected, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
In order to improve the drainage problem of the rainwater garden, the application provides a rainwater garden for constructing a sponge city.
The application provides a rainwater garden for building sponge city adopts following technical scheme:
the utility model provides a construction rainwater garden for sponge city, is in including rainwater garden body and setting this internal planting district of rainwater garden, this internal cistern that is provided with of rainwater garden, the top of cistern is provided with a plurality of water inlets along week lateral wall outward, the vertical bleeder line that is provided with in the cistern, the highest point of bleeder line is less than the highest point of cistern, the bottom and the municipal rainwater recovery pipeline intercommunication of bleeder line, plant and from top to bottom include vegetable layer, overburden, planting soil layer, sand bed and gravel layer in proper order in the district, be provided with the drain pipe in the gravel layer, the drain pipe with rainwater recovery pipeline intercommunication.
By adopting the technical scheme, water flow enters the reservoir through the water inlet to be collected and stored, when rainstorm or flood occurs, the water level in the reservoir can rise sharply, and at the moment, the water can be discharged through the discharge pipe arranged in the reservoir, so that the phenomenon that the water accumulated in the reservoir overflows to influence the traveling of pedestrians on roads is prevented, and meanwhile, the good drainage effect of the reservoir is ensured; the drain pipe and the rainwater recovery pipeline that set up in the gravel layer communicate, and the water of collecting the deposit in the cistern can slowly ooze down in the drain pipe arranges the rainwater recovery pipeline, guarantees that the drainage effect of cistern is good.
Optionally, the top of the drainage pipe is provided with a water permeable filter cover, and the water permeable filter cover is set as an eddy current type rainwater well cover.
Through adopting above-mentioned technical scheme, the top of bleeder line is provided with the filtration lid that permeates water, guarantees the filter effect to debris in the cistern, prevents that the bleeder line from taking place to block up, and turbine formula rainwater well lid is three-dimensional turbine formula, thereby the hydroenergy of flowing through forms the vortex flow rapidly and accelerates the velocity of flow of water, can effectively separate different debris in the rivers, prevents rubbish such as branch leaf, paper handkerchief, plastic bag and plugs up the drainage mouth, has solved the jam problem of bleeder line when guaranteeing the displacement.
Optionally, the drain pipe is provided with a plurality of perforated pipes, and one ends of the perforated pipes are communicated with the rainwater recovery pipeline.
Through adopting above-mentioned technical scheme, the drain pipe sets up to the perforated pipe, and the perforated pipe is buried underground in the gravel layer, and unnecessary moisture permeates naturally in the cistern and advances the gravel layer, carries out filtration purification by the gravel layer and then gets into the rainwater recovery pipeline in the perforated pipe at last, and moisture purifies more fully.
Optionally, the bottom of the water inlet is provided with cobblestones, and the cobblestones protrude out of the bottom of the water inlet.
Through adopting above-mentioned technical scheme, the bottom of the outstanding water inlet of cobblestone that the bottom of water inlet set up can weaken the rivers impulsive force, can prevent that the rainwater from erodeing and causing soil erosion and water loss, guarantees the long service life of cistern.
Optionally, one end of the water inlet close to the water storage tank is provided with an impurity blocking block, and the impurity blocking block is inserted at the water inlet.
Through adopting above-mentioned technical scheme, the department of entrying is provided with impurity interception board, can block up the debris of difference in the rivers, like rubbish such as branch leaf, paper handkerchief, plastic bag and intercept in interception board department, avoids entering into and causes the jam in the cistern, guarantees that drainage function is good.
Optionally, a permeable geotextile is arranged between two adjacent layers of the vegetation layer, the covering layer, the planting soil layer, the sand layer and the gravel layer.
Through adopting above-mentioned technical scheme, through setting up the geotechnological cloth that permeates water between adjacent two-layer, can play the filter action, also can effectively prevent simultaneously that soil particles from entering into the infiltration drain pipe, reduce the inside jam's of infiltration drain pipe possibility, guarantee that drainage function is good.
Optionally, the top outer edge of the water reservoir is provided with a slope, and the slope of the slope is 10% -30%.
By adopting the technical scheme, the top outer edge of the water storage tank forms a slope, the sloping field of the slope is 10% -30%, the water guide effect of the water storage tank is good, and more rainwater can be permeated and stored.
Optionally, the pipe diameter of the perforated pipe is set to 150-300 mm.
Through adopting above-mentioned technical scheme, the pipe diameter of perforated pipe sets up to 150 and gives other 300mm, guarantees that perforated pipe's the not permeable effect is good, ensures that the drainage of rainwater garden is effectual.
In summary, the present application includes at least one of the following beneficial technical effects:
the drainage is carried out through a drainage pipe arranged in the reservoir, a drain pipe in the gravel layer is communicated with the rainwater recovery pipeline, and water collected and stored in the reservoir can slowly seep down through the drain pipe and is discharged into the rainwater recovery pipeline, so that the good drainage effect of the reservoir is ensured;
the turbine type rainwater well cover is a three-dimensional turbine type, water flowing through the turbine type rainwater well cover can quickly form a vortex flow, so that the flow speed of water is accelerated, different impurities in water flow can be effectively separated, the water outlet is prevented from being blocked by garbage such as tree branches, leaves, tissues, plastic bags and the like, the water discharge quantity is ensured, and the blocking problem of the drainage pipe is solved;
the perforated pipe is buried in the gravel layer, redundant moisture in the reservoir naturally permeates into the gravel layer, and the filtered and purified moisture enters the perforated pipe and finally enters the rainwater recovery pipeline, so that the moisture purification is more sufficient.
Drawings
FIG. 1 is a front view of a rain garden for constructing a sponge city according to an embodiment of the present application;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is a schematic diagram showing an explosion structure of a permeable filter cover highlighted in a rainwater garden for constructing a sponge city according to an embodiment of the present application.
Reference numerals: 1. a rain garden body; 2. a reservoir; 3. a planting area; 4. a vegetable layer; 5. a cover layer; 6. planting a soil layer; 7. a sand layer; 8. a gravel layer; 9. water-permeable geotextile; 10. a drain pipe; 11. a slope; 12. a water inlet; 13. cobblestones; 14. an impurity interception block; 15. a bleeder tube; 16. a rainwater recovery pipeline; 17. a water-permeable filtering cover.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a rainwater garden for constructing a sponge city.
Referring to fig. 1 and 2, a rainwater garden for constructing a sponge city includes a rainwater garden body 1. A water storage tank 2 is arranged in the rainwater garden body 1, a planting area 3 is arranged in the water storage tank 2, and the planting area 3 sequentially comprises a vegetation layer 4, a covering layer 5, a planting soil layer 6, a sand layer 7 and a gravel layer 8 from top to bottom. Wherein, the adjacent two layers of the vegetable layer 4, the covering layer 5, the planting soil layer 6, the sand layer 7 and the gravel layer 8 are all provided with the permeable geotextile 9, the permeable geotextile 9 has good water permeability, and the fibers thereof have gaps and have good water permeability.
A drain pipe 10 is buried in the gravel layer 8, the drain pipe 10 is provided as a perforated pipe having a pipe diameter of 200mm in this embodiment, and one end of the perforated pipe is communicated with a municipal rainwater recovery pipeline 16.
The top outer edge of the reservoir 2 is resin sloped 11, the slope in this embodiment being set to 20%. A water inlet 12 is arranged on the peripheral side wall of the top of the water storage tank 2, cobblestones 13 are laid at the bottom of the water inlet 12, and the cobblestones 13 protrude out of the bottom of the water inlet 12. An impurity blocking block 14 is inserted at one end of the water inlet 12 close to the water storage tank 2, and the impurity blocking block 14 can effectively block different impurities in water flow, such as tree branches, leaves, paper towels, plastic bags and other garbage, at the blocking plate, so that the cleanness degree in the water storage tank 2 is good.
Referring to fig. 2 and 3, a drainage pipe 15 is vertically arranged in the reservoir 2, the highest position of the drainage pipe 15 is lower than that of the reservoir 2, the drainage pipe 15 is in a hollow round pipe shape, the bottom of the drainage pipe 15 is communicated with a rainwater recovery pipeline 16, and a water permeable filter cover 17 is sleeved at the top of the drainage pipe 15.
Referring to fig. 3 and 4, the water-permeable filtering cover 17 in this embodiment is a vortex-type rain well cover, the turbine-type rain well cover is a three-dimensional turbine-type, the flowing water can rapidly form a vortex flow to accelerate the flow rate of the water, so that different impurities in the water flow can be effectively separated, and the waste such as tree branches, leaves, paper towels, plastic bags and the like can be prevented from blocking the opening of the drainage pipe 15.
The embodiment of the application discloses an implementation principle of constructing a rainwater garden for a sponge city is as follows: rivers enter into the cistern 2 through water inlet 12 and collect the deposit, and rivers need block the filtration interception of board through impurity earlier, oozes under water of cistern 2 and arrange rainwater recovery pipeline 16 through the drain pipe 10 that sets up in gravel layer 8 in, when the water level in the cistern 2 rises, can discharge through bleeder tube 15 earial drainage, through the filtration of vortex formula rainwater well lid, arrange to in the rainwater recovery pipeline 16 of bottom.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a construct sponge city and use rainwater garden, includes rainwater garden body (1) and sets up planting district (3) in rainwater garden body (1), its characterized in that: be provided with cistern (2) in rainwater garden body (1), the top of cistern (2) is provided with a plurality of water inlets (12) along the week lateral wall outward, the vertical bleeder line (15) that is provided with in cistern (2), the highest point of bleeder line (15) is less than the highest point of cistern (2), the bottom and municipal rainwater recovery pipeline (16) intercommunication of bleeder line (15), plant district (3) and from top to bottom include vegetable layer (4), overburden (5), planting soil layer (6), sand bed (7) and gravel layer (8) in proper order, be provided with drain pipe (10) in gravel layer (8), drain pipe (10) with rainwater recovery pipeline (16) intercommunication.
2. A rainwater garden for constructing a sponge city according to claim 1, wherein: the top of bleeder tube (15) is provided with filter lid (17) of permeating water, it sets up to vortex formula rainwater well lid to permeate water filter lid (17).
3. A rainwater garden for constructing a sponge city according to claim 1, wherein: the drainage pipe (10) is provided with a plurality of perforated pipes, and one ends of the perforated pipes are communicated with the rainwater recovery pipeline (16).
4. A rainwater garden for constructing a sponge city according to claim 1, wherein: cobblestones (13) are arranged at the bottom of the water inlet (12), and the cobblestones (13) protrude out of the bottom of the water inlet (12).
5. A rainwater garden for constructing a sponge city according to claim 4, wherein: an impurity blocking block (14) is arranged at one end of the water inlet (12) close to the water storage tank (2), and the impurity blocking block (14) is inserted at the water inlet (12).
6. A rainwater garden for constructing a sponge city according to claim 1, wherein: and a permeable geotextile (9) is arranged between two adjacent layers of the vegetation layer (4), the covering layer (5), the planting soil layer (6), the sand layer (7) and the gravel layer (8).
7. A rainwater garden for constructing a sponge city according to claim 1, wherein: the top outer edge of the water storage tank (2) is provided with a slope (11), and the gradient of the slope (11) is 10% -30%.
8. A rainwater garden for constructing a sponge city according to claim 3, wherein: the pipe diameter of the perforated pipe is set to be 150-300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022901343.9U CN213868148U (en) | 2020-12-03 | 2020-12-03 | Rainwater garden for building sponge city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022901343.9U CN213868148U (en) | 2020-12-03 | 2020-12-03 | Rainwater garden for building sponge city |
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| Publication Number | Publication Date |
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| CN213868148U true CN213868148U (en) | 2021-08-03 |
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| CN202022901343.9U Active CN213868148U (en) | 2020-12-03 | 2020-12-03 | Rainwater garden for building sponge city |
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| CN (1) | CN213868148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934560A (en) * | 2022-07-12 | 2022-08-23 | 中国科学院地理科学与资源研究所 | Ecological rainwater garden |
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2020
- 2020-12-03 CN CN202022901343.9U patent/CN213868148U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934560A (en) * | 2022-07-12 | 2022-08-23 | 中国科学院地理科学与资源研究所 | Ecological rainwater garden |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A rainwater garden for building sponge cities Granted publication date: 20210803 Pledgee: Fujian Jin Channel Financing Guarantee Co.,Ltd. Pledgor: Xiamen Yijing Landscape Engineering Co.,Ltd. Registration number: Y2024980034893 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |