CN213387977U - Riverway beach ground infiltration bed wetland system - Google Patents
Riverway beach ground infiltration bed wetland system Download PDFInfo
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- CN213387977U CN213387977U CN202021539411.5U CN202021539411U CN213387977U CN 213387977 U CN213387977 U CN 213387977U CN 202021539411 U CN202021539411 U CN 202021539411U CN 213387977 U CN213387977 U CN 213387977U
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Abstract
The utility model provides a riverway and beach filtration bed wetland system, which is arranged on the riverway and beach, and comprises a water taking system, a water distribution system, a filtration bed system, a water outlet system, a beach vegetation system and an operation control system; the water taking system lifts and conveys water in the riverway to a water distribution system of the percolation bed wetland, so that the stability of the water treatment amount of the wetland system is ensured; the water distribution system is positioned on the higher side of the whole wetland system, so that the uniform water distribution of the wetland is ensured; the percolation bed system is connected with the water distribution system, and the water body flows through the percolation bed system to be purified and lifted. The utility model discloses can utilize river course beach space to purify the river course water and promote, do not destroy the original vegetation system in river course beach simultaneously, overcome the limited difficult problem in river course bypass wetland land site selection, further improve the adaptability and the range of application of constructed wetland technique.
Description
Technical Field
The utility model relates to a river course beach filtration bed wetland system can utilize river course beach space to purify the river course water and promote, does not destroy the original vegetation system in river course beach simultaneously, has overcome the limited difficult problem in river course bypass wetland land site selection, has further improved the adaptability and the range of application of constructed wetland technique, belongs to the ecological purification technology field of water.
Background
The artificial wetland technology mainly utilizes a filler matrix, microorganisms and wetland plants in the system composition to purify and lift the water body. The artificial wetland has the characteristics of low investment, flexible design and application, simple and convenient operation and management and high environmental ecological value, and is widely applied to the ecological purification of water bodies in different areas and fields. At present, in the process of urban water environment comprehensive treatment, the mode of using the artificial wetland as a riverway bypass purification measure to improve the water quality of the water body is gradually applied and paid attention to, and the construction or reconstruction of wetland purification facilities is carried out by utilizing the current situation of greenbelts or parks around the riverway, so that the ecological purification function of the artificial wetland on the water body is remarkably exerted.
Through investigation and research on existing relevant river channel bypass artificial wetland engineering cases at home and abroad, the limitation of urban land space becomes one of the main reasons for limiting further popularization and application of the river channel bypass artificial wetland.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a river course beach infiltration bed wetland system to prior art problem, can utilize river course beach space to purify the river course water and promote, does not destroy the original vegetation system in river course beach simultaneously, overcomes the limited difficult problem in river course bypass wetland land site selection, further improves the adaptability and the range of application of constructed wetland technique.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a riverway beach filtration bed wetland system is arranged on a riverway beach and comprises a water taking system, a water distribution system, a filtration bed system, a water outlet system, a beach vegetation system and an operation control system;
the water taking system lifts and conveys water in the riverway to a water distribution system of the percolation bed wetland, so that the stability of the water treatment amount of the wetland system is ensured;
the water distribution system is positioned on the higher side of the whole wetland system, so that the uniform water distribution of the wetland is ensured;
the percolation bed system is connected with the water distribution system, and the water body flows through the percolation bed system to be purified and lifted.
The water outlet system is positioned at the lower side of the terrain of the whole wetland system, so that the purified water body is ensured to stably converge into the river channel water body;
the beach vegetation system is positioned at the top of the percolation bed to recover the original vegetation composition of the beach.
On the basis of adopting above-mentioned technical scheme, the utility model discloses still can adopt following further technical scheme, or to these further technical scheme combined use:
the water taking system comprises a water taking pump and a water conveying pipeline; a water inlet of the water taking pump is connected with a river channel; the water delivery pipeline is connected with the outlet of the water taking pump.
The water distribution system consists of a water distribution main pipe, a water distribution branch pipe, a water distribution floral tube and a water distribution gabion; the water distribution main pipe is connected with the water delivery pipeline, the water distribution main pipe and the water distribution gabion are arranged on the side, far away from the river, of the beach along the trend of the river, and the water distribution flower pipe is arranged in the water distribution gabion and is connected with the water distribution main pipe through a water distribution branch pipe.
The percolation bed system is composed of a gabion net cage filled with graded broken stones; the infiltration bed system is arranged on the beach of the side of the water distribution gabion close to the river course along the trend of the river course.
The water outlet system consists of naturally stacked rock blocks; stacked on the side of the filtration bed system close to the river.
The beach vegetation system mainly comprises geotextile, planting matrix and hygrophytes from bottom to top in sequence; the geotextile is laid on the top of the water distribution system and the percolation bed system, and the planting matrix is arranged on the geotextile.
The vegetation system is positioned at the top of the percolation bed system and recovers the original vegetation composition of the beach.
The utility model discloses ingenious current situation river beach of utilizing carries out the filtration bed wetland system that has high-efficient purification performance and founds, compromises river course beach restoration and constructed wetland water purification multiple functions simultaneously. The utility model discloses following beneficial effect has:
(1) under the normal operating mode, water intaking system, water distribution system can effectively guarantee that the river course water body gets into the infiltration bed system, obtain stable purification promotion effect that lasts, do not influence the original vegetation system composition of river course beach simultaneously, effectively solve the limited difficult problem in bypass wetland land selection site.
(2) Under the maintenance working condition, the maintenance and the overhaul of different blocks and the purification of intaking again can be realized through closing and opening of water distribution pipeline control valve, the stable continuous work of assurance system, full play is to the purifying effect of river course water.
Drawings
FIG. 1 is a plan view of the wetland composition of the infiltration bed of the river beach of the utility model;
figure 2 is the cross-sectional view of the wetland composition of the infiltration bed on the river beach land of the utility model.
Detailed Description
Reference is made to the accompanying drawings. The utility model provides a river course beach filtration bed wetland system includes water intaking system 1, water distribution system 2, filtration bed system 3, goes out water system 4, beach vegetation system 5 and operation control system.
The water taking system 1 comprises a water taking pump 11 and a water conveying pipeline 12. And a water inlet of the water taking pump 11 is connected with a river channel. The water delivery pipe 12 is connected to the outlet of the water intake pump 11.
The water distribution system 2 is composed of a water distribution main pipe 21, a water distribution branch pipe 22, a water distribution floral pipe 23 and a water distribution gabion 25. The water distribution main pipe 21 is connected with the water delivery pipeline 12, the water distribution main pipe 21 and the water distribution gabion 25 are arranged on the side, far away from the river, of the beach along the trend of the river, and the water distribution floral pipe 23 is arranged in the water distribution gabion 25 and is connected with the water distribution main pipe 21 through the water distribution branch pipe 22. The water distribution floral tube 23 is higher than the normal water level of the river. The water distribution trunk pipe 21 is positioned outside the side of the water distribution gabion 25 far away from the river channel.
The percolation bed system 3 is composed of a gabion cage filled with graded crushed stones 31. The percolation bed system 3 is arranged along the trend of the river channel and is arranged on the beach of the side of the water distribution gabion 25 close to the river channel. The infiltration bed system 3 gradually reduces the rock blocks from the side adjacent to the water distribution gabion 25 to the side close to the river channel.
The water outlet system 4 is composed of naturally stacked stones 41, and is stacked outside the side of the filtration bed system 3 close to the river channel, and the naturally stacked stones 41 are also used as natural transition between the filtration bed wetland system of the river channel beach and the river channel.
The beach vegetation system 5 mainly comprises geotextile 53, planting matrix 52 and hygrophyte 51 from bottom to top in sequence.
The vegetation system 5 is positioned at the top of the water distribution system 2 and the percolation bed system 3 and recovers the original vegetation composition of the beach land. The geotextile 53 is laid on the top of the water distribution system 2 and the infiltration bed system 3, the planting matrix 52 is arranged on the geotextile 53, and the side of the beach vegetation system 5 close to the river channel is also protected by the rock blocks of the water outlet system 4.
The operation control system consists of a water taking pump switch controller and a water distribution pipeline control valve 24. The water distribution pipeline control valve 24 is arranged on each water distribution branch pipe 22, and water inflow of different blocks of the percolation bed system can be controlled and adjusted through the water distribution pipeline control valve 24.
The operation method of the wetland system of the seepage bed of the riverway and the beach land shown in the figures 1 and 2 is as follows:
and a basic operation control step, starting a water taking pump switch controller, enabling the river water body to enter a percolation bed system through a water conveying pipeline and a water distribution system to realize purification and lifting, and enabling the wetland outlet water to stably converge into the river water body through a water outlet system. Under the normal operating condition, the control valve of the water distribution pipeline is opened, and the water body of the river channel uniformly enters the infiltration bed wetland through the water distribution floral tubes, so that the water quality purification is realized. And under the maintenance working condition, closing the water taking pump, closing the water distribution pipeline control valve corresponding to the filtration bed block, stopping water inflow of the block, maintaining the filtration bed system, restarting the water replenishing pipeline control valve corresponding to the filtration bed block after the operation is finished, and enabling the river water to reenter the filtration bed system to recover the water purification function.
The present invention will be described in further detail with reference to examples.
Example 1
The Shenzhen is a constructed wetland bypassing a river, the river is mainly a drainage channel in a region range, and under the working condition of sunny days, the river is mainly supplemented with tail water of a sewage plant. The land on both sides of the river is mainly industrial land and residential land, and available park land and public green land are lacked. Through utilizing the current situation of river surge beach ground space, the structure adopts the utility model discloses the river course beach ground infiltration bed wetland of scheme is introduced the artificial wetland with some water of river course water and is purified the promotion. The ecological character of tail water in the river channel can be further promoted in fine day operating mode, the interference influence on the natural ecosystem of the river channel is reduced, the reduction of the rainwater surface source or overflow pollution load of the river channel can be effectively improved in rainy day operating mode, and the water quality deterioration pressure of the river channel in rainy season is reduced. Under the working condition of dry seasons, the scale of taking water from the wetland of the percolation bed of the riverway and the beach land is 3000m3D, the wetland effluent reaches four types of surface water, and the wetland water intake scale of the riverway beach filtration bed under the working condition of rainy season is 5000m3And d, the pollution reduction capability is improved, and the effluent of the wetland can reach five types of surface water.
Example 2
A certain warehousing tributary in Shenzhen city bypasses the artificial wetland, and the tributary is a main catchment channel of a downstream reservoir. The land on both sides of the river is residential land and commercial land, and available park land and public green land are lacked. The current situation is that the river water body stably reaches five types of water of surface water, but in order to further reduce the influence of the branch catchment on the water quality of a downstream reservoir, the water quality of the river needs to be further improved. Through utilizing the river course low reaches range current situation beach space before the warehouse entry, the structure adopts the utility model discloses the river course beach filtration bed wetland of scheme purifies the promotion with the whole artificial wetland that introduce of river course water. The river beach land percolationThe maximum water intake scale of the bed wetland is 20000m3And d, the average flow load of the riverway in dry seasons and rainy seasons can be met, the water quality of the riverway is further purified and improved, and the effluent of the wetland can reach four types of surface water and finally is gathered into a downstream reservoir.
The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art is in the field of the present invention, and all the changes or modifications are covered in the protection scope of the present invention.
Claims (6)
1. A riverway and beach filtration bed wetland system is characterized by comprising a water taking system, a water distribution system, a filtration bed system, a water outlet system, a beach vegetation system and an operation control system;
the water taking system lifts and conveys water in the riverway to a water distribution system of the percolation bed wetland, so that the stability of the water treatment amount of the wetland system is ensured;
the water distribution system is positioned on the higher side of the whole wetland system in the terrain;
the percolation bed system is connected with a water distribution system;
the water outlet system is positioned at the lower side of the terrain of the whole wetland system, so that the purified water body is ensured to stably converge into the river channel water body;
the beach vegetation system is positioned at the top of the infiltration bed;
the operation control system consists of a water taking pump switch controller and a water distribution pipeline control valve.
2. The riverway beach filtration bed wetland system of claim 1, wherein the water intake system comprises a water intake pump and a water delivery pipeline; a water inlet of the water taking pump is connected with a river channel; the water delivery pipeline is connected with the outlet of the water taking pump.
3. The riverway beach filtration bed wetland system of claim 1, which is characterized in that the water distribution system comprises water distribution main pipes, water distribution branch pipes, water distribution floral pipes and water distribution gabions; the water distribution main pipe is connected with the water delivery pipeline, the water distribution main pipe and the water distribution gabion are arranged on the side, far away from the river, of the beach along the trend of the river, and the water distribution flower pipe is arranged in the water distribution gabion and is connected with the water distribution main pipe through a water distribution branch pipe.
4. The riverway beach filtration bed wetland system of claim 1 wherein the filtration bed system is comprised of gabion cages filled with graded crushed stones; the infiltration bed system is arranged on the beach of the side of the water distribution gabion close to the river course along the trend of the river course.
5. The wetland system of claim 1, wherein the effluent system is composed of naturally stacked rock blocks; stacked on the side of the filtration bed system close to the river.
6. The riverway beach filtration bed wetland system of claim 1, which is characterized in that the beach vegetation system mainly comprises geotextile, planting matrix and hygrophytes from bottom to top in sequence; the geotextile is laid on the top of the water distribution system and the percolation bed system, and the planting matrix is arranged on the geotextile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021539411.5U CN213387977U (en) | 2020-07-29 | 2020-07-29 | Riverway beach ground infiltration bed wetland system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021539411.5U CN213387977U (en) | 2020-07-29 | 2020-07-29 | Riverway beach ground infiltration bed wetland system |
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| CN213387977U true CN213387977U (en) | 2021-06-08 |
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| CN202021539411.5U Active CN213387977U (en) | 2020-07-29 | 2020-07-29 | Riverway beach ground infiltration bed wetland system |
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| CN (1) | CN213387977U (en) |
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- 2020-07-29 CN CN202021539411.5U patent/CN213387977U/en active Active
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