CN211816750U - Sponge city rainwater recycling system - Google Patents
Sponge city rainwater recycling system Download PDFInfo
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- CN211816750U CN211816750U CN201922456127.5U CN201922456127U CN211816750U CN 211816750 U CN211816750 U CN 211816750U CN 201922456127 U CN201922456127 U CN 201922456127U CN 211816750 U CN211816750 U CN 211816750U
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Abstract
The utility model belongs to the technical field of the rainwater utilization technique and specifically relates to a sponge city rainwater system of recycling is related to. The soil-working layer is characterized by comprising a tamping layer positioned at the bottom, wherein a water retention layer, a water seepage layer, a water permeable layer and a planting layer are sequentially arranged on the tamping layer, the water retention layer is laid on the surface of the tamping layer, and a first geotextile is laid between the water retention layer and the water seepage layer; a second geotextile is laid between the water seepage layer and the water permeable layer; the planting layer is arranged on the surface of the water permeable layer; the ramming device is characterized in that a water collecting tank is arranged in the ramming layer, an overflow pipe is arranged at the top of the water collecting tank, and rainwater in the water collecting tank is discharged from the overflow pipe after being fully accumulated. The utility model provides a pair of sponge city rainwater system of recycling realizes irrigation, filtration and the recovery of rainwater and recycles.
Description
Technical Field
The utility model belongs to the technical field of the rainwater utilization technique and specifically relates to a sponge city rainwater system of recycling is related to.
Background
The sponge city is a new city construction concept proposed by the nation, and the sponge city requires the city to have the functions of seepage, stagnation, storage, purification, use and discharge when raining.
In the existing garden engineering, drainage wells are arranged on two sides of a road to prevent ponding and waterlogging in a garden; along with garden engineering's development, for advocating the environmental protection, adopt the water catch bowl more, fill up the rubble in the water catch bowl and carry out natural filtration and realize the recovery of rainwater.
The main problem of above-mentioned technical scheme lies in that the catch basin has taken up the area of using of garden, and the efficiency of recycling is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sponge city rainwater system of recycling realizes irrigation, filtration and the recovery of rainwater and recycles.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a sponge urban rainwater recycling system comprises a tamping layer positioned at the bottom, wherein a water retention layer, a water seepage layer, a water permeable layer and a planting layer are sequentially arranged on the tamping layer, the water retention layer is laid on the surface of the tamping layer, and a first geotextile is laid between the water retention layer and the water seepage layer; a second geotextile is laid between the water seepage layer and the water permeable layer; the planting layer is arranged on the surface of the water permeable layer;
the ramming device is characterized in that a water collecting tank is arranged in the ramming layer, an overflow pipe is arranged at the top of the water collecting tank, and rainwater in the water collecting tank is discharged from the overflow pipe after being fully accumulated.
By adopting the technical scheme, rainwater is absorbed and utilized by plants at the planting layer part and heavy metal elements in the rainwater are absorbed, and the unabsorbed rainwater seeps into the permeable layer, the water seepage layer and the water retention layer to be filtered and then enters the water collecting tank, so that the filtering and the collection of the rainwater are realized; the first geotextile and the second geotextile are used for ensuring that the filtering layers are not lost or mixed, the overall structure and the function of the material are kept, the bearing capacity of each filtering layer is enhanced, and the filtering and protecting effects are achieved.
The utility model discloses further set up to: the top opening of water catch bowl, and be provided with the wire net.
Through adopting above-mentioned technical scheme, the steel wire net guarantees the structural strength of water catch bowl as bearing structure.
The utility model discloses further set up to: and a third geotextile is arranged on the surface of the steel wire mesh.
By adopting the technical scheme, rainwater is collected into the water collecting tank, and enters the water collecting tank after being filtered by the third geotextile and the steel wire mesh; the third geotechnical cloth is used for protecting the steel wire mesh and preventing soil from blocking the steel wire mesh.
The utility model discloses further set up to: the overflow pipe is fixed on the lower surface of the steel wire mesh;
and a plurality of overflow holes are formed in the bottom of the overflow pipe.
Through adopting above-mentioned technical scheme, the lower surface welding of wire net has a plurality of overflow pipes, and a plurality of overflow holes have been seted up to the bottom of overflow pipe, and in the rainwater in the water catch bowl was amassed the back and is gone into the overflow pipe along the overflow hole, finally along overflow pipe discharge to the designated area, the waterlogging in garden has been avoided.
The utility model discloses further set up to: and the side surface of the water collecting tank is communicated with a drainage pipe, and the other end of the drainage pipe extends to the planting layer for drainage irrigation.
Through adopting above-mentioned technical scheme, irrigate the rainwater drainage, realize the recovery of rainwater and recycle.
The utility model discloses further set up to: the water retention layer is composed of active carbon and sandy soil.
Through adopting above-mentioned technical scheme, guarantee the retaining and purifying effect in guarantor's water layer.
The utility model discloses further set up to: the water seepage layer is composed of ceramsite.
By adopting the technical scheme, the ceramsite stone is light in weight and is used for secondary filtration of rainwater.
The utility model discloses further set up to: the permeable layer is composed of recycled aggregate.
By adopting the technical scheme, the construction waste is recycled, and the recycled aggregate is prepared for primary filtration of rainwater.
To sum up, the utility model discloses a beneficial technological effect does:
1. the rainwater is absorbed the utilization by the plant at planting layer part to absorb the heavy metal element in the rainwater, the rainwater that does not absorb infiltrates into permeable stratum, infiltration layer and guarantor's water layer and filters the back and get into the ramming layer, in getting into the water catch bowl after the filtration of third geotechnological cloth and wire net, third geotechnological cloth still is used for protecting the wire net, prevents that earth from blockking up the wire net.
2. The lower surface welding of wire net has a plurality of overflow pipes, and a plurality of overflow holes have been seted up to the bottom of overflow pipe, and in rainwater in the water catch bowl was amassed the back and got into the overflow pipe along the overflow hole, finally along overflow pipe discharge to the designated area, the waterlogging in garden has been avoided.
3. The first geotextile and the second geotextile are used for ensuring that the filtering layers are not lost or mixed, the overall structure and the function of the material are kept, the bearing capacity of each filtering layer is enhanced, and the filtering and protecting effects are achieved.
Drawings
FIG. 1 is a schematic structural view of a sponge city rainwater recycling system provided by the present invention;
fig. 2 is a schematic structural view of an overflow pipe provided by the present invention.
In the figure, 10, the rammed layer; 20. a water retention layer; 30. a water seepage layer; 40. a water permeable layer; 50. planting a layer; 60. a first geotextile; 61. a second geotextile; 62. a third geotextile; 70. a water collection tank; 71. steel wire mesh; 72. an overflow pipe; 721. an overflow aperture; 73. a drainage tube.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a sponge city rainwater system of recycling realizes irrigation, filtration and the recovery of rainwater and recycles.
Referring to fig. 1 and 2, in order to disclose the sponge urban rainwater recycling system of the present invention, the earthwork at the bottom of the garden is dug out, a water collecting tank 70 is poured in advance, the top of the water collecting tank 70 is opened, and a steel wire mesh 71 is installed, a layer of third geotextile 62 is laid on the upper surface of the steel wire mesh 71, and the steel wire mesh 71 is used as a supporting structure to ensure the structural strength of the water collecting tank 70; the third geotextile 62 plays a role in sealing and filtering, prevents earthwork from falling into the water collection tank 70, and simultaneously collects rainwater into the water collection tank 70 after filtering. The lower surface welding of wire net 71 has a plurality of overflow pipes 72, and a plurality of overflow holes 721 have been seted up to the bottom of overflow pipe 72, and in the rainwater in the water catch bowl 70 was amassed back and is gone into overflow pipe 72 along overflow holes 721, finally discharged the designated area along overflow pipe 72, avoided the waterlogging in garden.
Referring to fig. 1, a water retention layer 20 is laid on the surface of the ramming layer 10, and the water retention layer 20 is composed of activated carbon and sand, and has a thickness of 300mm, is used for primary filtration of rainwater, and has a good filtering effect. A water seepage layer 30 is laid above the water retention layer 20, a first geotextile 60 is laid between the water retention layer 20 and the water seepage layer 30, the thickness of the water seepage layer 30 is 300mm, the water seepage layer is composed of ceramsite with the particle size of 20 multiplied by 20mm, and the ceramsite is light in weight and is used for secondary filtration of rainwater. A permeable layer 40 is laid above the permeable layer 30, a second geotextile 61 is laid between the permeable layer 30 and the permeable layer 40, the permeable layer 40 is composed of recycled aggregate, the recycled aggregate is formed by smashing building waste and is used as a backfill material for primary filtration of rainwater. Backfilling planting soil on the surface of the permeable layer 40, wherein the planting soil is used as a planting layer 50, the thickness of the planting layer 50 is 400mm, various landscape plants are planted, and the root systems of the plants can absorb a large amount of heavy metal elements in rainwater, so that the rainwater is biologically filtered and purified. Rainwater is absorbed and utilized by plants in the planting layer 50, heavy metal elements in the rainwater are absorbed, the rainwater which is not absorbed infiltrates into the permeable layer 40, the permeable layer 30 and the water retention layer 20, is filtered and then enters the tamping layer 10, and is filtered by the third geotextile 62 and the steel wire mesh 71 and then enters the water collecting tank 70, and the third geotextile 62 is also used for protecting the steel wire mesh 71 and preventing soil from blocking the steel wire mesh 71; the first geotextile 60 and the second geotextile 61 are used for ensuring that the filter layers are not lost and mixed, the overall structure and function of the material are maintained, the bearing capacity of each filter layer is enhanced, and the filter and protection effects are achieved.
Referring to fig. 1, a drainage pipe 73 is communicated with the side surface of the water collection tank 70, and one end of the drainage pipe 73 is communicated with the water collection tank 70 for leading out the rainwater in the water collection tank 70 for reuse; the other end of the drainage tube 73 extends out of the planting layer 50, and the rainwater in the water collecting tank 70 is guided out of the planting layer 50 for irrigation and reutilization of plants.
The implementation principle of the embodiment is as follows: rainwater is absorbed and utilized by plants in the planting layer 50, heavy metal elements in the rainwater are absorbed, the rainwater which is not absorbed infiltrates into the permeable layer 40, the permeable layer 30 and the water retention layer 20, is filtered and then enters the tamping layer 10, and is filtered by the third geotextile 62 and the steel wire mesh 71 and then enters the water collecting tank 70, and the third geotextile 62 is also used for protecting the steel wire mesh 71 and preventing soil from blocking the steel wire mesh 71; the lower surface of the steel wire mesh 71 is welded with a plurality of overflow pipes 72, the bottom of each overflow pipe 72 is provided with a plurality of overflow holes 721, and when the rainwater in the water collecting tank 70 is full, the rainwater enters the overflow pipes 72 along the overflow holes 721 and is finally discharged to a designated area along the overflow pipes 72, so that waterlogging in a garden is avoided; the first geotextile 60 and the second geotextile 61 are used for ensuring that the filter layers are not lost and mixed, the overall structure and function of the material are maintained, the bearing capacity of each filter layer is enhanced, and the filter and protection effects are achieved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. A sponge city rainwater system of recycling, includes the tamping layer (10) that is located the bottom, its characterized in that: the water-retaining soil-block-type water-retaining soil-block layer (20), a water-permeating layer (30), a water-permeating layer (40) and a planting layer (50) are sequentially arranged on the tamping layer (10), the water-retaining layer (20) is laid on the surface of the tamping layer (10), and a first geotextile (; a second geotextile (61) is laid between the water seepage layer (30) and the water permeable layer (40); the planting layer (50) is arranged on the surface of the water permeable layer (40);
a water collecting tank (70) is arranged in the tamping layer (10), an overflow pipe (72) is arranged at the top of the water collecting tank (70), and rainwater in the water collecting tank (70) is discharged from the overflow pipe (72) after being fully accumulated.
2. The sponge city rainwater reuse system according to claim 1, characterized in that: the top of the water collecting tank (70) is open and provided with a steel wire mesh (71).
3. The sponge city rainwater reuse system according to claim 2, characterized in that: and a third geotextile (62) is arranged on the surface of the steel wire mesh (71).
4. A sponge city rainwater reuse system according to claim 3, characterized in that: the overflow pipe (72) is fixed on the lower surface of the steel wire mesh (71);
the bottom of the overflow pipe (72) is provided with a plurality of overflow holes (721).
5. The sponge city rainwater reuse system according to claim 1, characterized in that: the side surface of the water collecting tank (70) is communicated with a drainage pipe (73), and the other end of the drainage pipe (73) extends to the planting layer (50) for drainage irrigation.
6. The sponge city rainwater reuse system according to claim 1, characterized in that: the water seepage layer (30) is composed of ceramsite.
7. The sponge city rainwater reuse system according to claim 1, characterized in that: the permeable layer (40) is composed of recycled aggregate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922456127.5U CN211816750U (en) | 2019-12-30 | 2019-12-30 | Sponge city rainwater recycling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922456127.5U CN211816750U (en) | 2019-12-30 | 2019-12-30 | Sponge city rainwater recycling system |
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| CN211816750U true CN211816750U (en) | 2020-10-30 |
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| CN201922456127.5U Active CN211816750U (en) | 2019-12-30 | 2019-12-30 | Sponge city rainwater recycling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113016401A (en) * | 2021-03-02 | 2021-06-25 | 上海应用技术大学 | Cooling and humidifying system for landscaping |
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2019
- 2019-12-30 CN CN201922456127.5U patent/CN211816750U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113016401A (en) * | 2021-03-02 | 2021-06-25 | 上海应用技术大学 | Cooling and humidifying system for landscaping |
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