CN114057297A - Riverway beach filtration bed wetland system and operation method - Google Patents
Riverway beach filtration bed wetland system and operation method Download PDFInfo
- Publication number
- CN114057297A CN114057297A CN202010745069.2A CN202010745069A CN114057297A CN 114057297 A CN114057297 A CN 114057297A CN 202010745069 A CN202010745069 A CN 202010745069A CN 114057297 A CN114057297 A CN 114057297A
- Authority
- CN
- China
- Prior art keywords
- water
- wetland
- water distribution
- beach
- bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 206
- 238000005325 percolation Methods 0.000 claims abstract description 33
- 238000000746 purification Methods 0.000 claims description 20
- 239000004746 geotextile Substances 0.000 claims description 9
- 230000008595 infiltration Effects 0.000 claims description 9
- 238000001764 infiltration Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 5
- 239000011435 rock Substances 0.000 claims description 4
- 239000008213 purified water Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000002352 surface water Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
Abstract
The invention provides a riverway beach filtration bed wetland system and an operation method thereof, wherein the 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 invention can purify and lift the river water body by utilizing the space of the river beach land, does not damage the original vegetation system of the river beach land, overcomes the problem of limited site selection of the bypass wetland land of the river, and further improves the adaptability and the application range of the artificial wetland technology.
Description
Technical Field
The invention relates to a riverway beach filtration bed wetland system and an operation method thereof, which can purify and lift riverway water by utilizing riverway beach space, simultaneously does not damage an original vegetation system of the riverway beach, overcomes the problem of limited site selection of riverway bypass wetland, further improves the adaptability and application range of the artificial wetland technology, and belongs to the technical field of water ecological purification.
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.
Disclosure of Invention
The invention aims to provide a riverway beach filtration bed wetland system and an operation method thereof, aiming at the problems in the prior art, which can purify and lift the riverway water body by utilizing the riverway beach space, simultaneously does not damage the original vegetation system of the riverway beach, overcomes the problem of limited site selection of the riverway bypass wetland, and further improves the adaptability and the application range of the artificial wetland technology.
In order to achieve the above object, according to one aspect of the present invention, the following technical solutions are adopted:
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 the technical scheme, the invention can also adopt the following further technical schemes or combine the further technical schemes for 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.
According to a second aspect of the invention, the invention provides an operation method of the above-mentioned riverway beach filtration bed wetland system, which adopts the following technical scheme:
an operation method of a riverway and beach filtration bed wetland system is characterized by comprising the following steps: the switch controller of the water taking pump is started, the river water body enters the percolation bed system through the water conveying pipeline and the water distribution system to realize purification and lifting, and the wetland outlet water stably converges into the river water body through the water outlet system.
The water inlet of different blocks of the percolation bed system can be controlled and adjusted by a water distribution pipeline control valve.
Under the normal operation condition, the control valve of the water distribution pipeline is opened, and the water body of the river channel uniformly enters the wetland of the percolation bed through the water distribution floral tubes to realize water purification; and under the maintenance working condition, closing the water distribution pipeline control valve corresponding to the percolation bed block, stopping water inflow of the block, maintaining the percolation bed system, restarting the water replenishing pipeline control valve corresponding to the percolation bed block after the operation is finished, and enabling the river water to reenter the percolation bed system to recover the water purification function.
The invention researches and develops a riverway beach filtration bed wetland system and an operation method thereof, and the constructed wetland and the operation method thereof skillfully utilize the current situation of the construction of the filtration bed wetland system with high-efficiency purification function on the riverway beach and simultaneously take multiple functions of riverway beach restoration and constructed wetland water quality purification into consideration. The invention has the following beneficial effects:
(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 invention;
FIG. 2 is a cross-sectional view of the wetland composition of the filtration bed on the river beach.
Detailed Description
Reference is made to the accompanying drawings. The invention provides a riverway and beach filtration bed wetland system which comprises a water taking system 1, a water distribution system 2, a filtration bed system 3, a water outlet system 4, a beach vegetation system 5 and an 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 is further illustrated in detail by the following 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. By utilizing the current river surge beach space, the river beach filtration bed wetland adopting the scheme of the invention is constructed, and part of water in the river water is introduced into the artificial wetland for purification and lifting. 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. The riverway beach land percolation bed is operated in dry seasonsThe water intake scale of the wetland 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. By utilizing the current state beach space of the range before the downstream warehousing of the river channel, the river channel beach filtration bed wetland adopting the scheme of the invention is constructed, and the river channel water body is completely introduced into the artificial wetland for purification and lifting. The maximum water intake scale of the wetland of the infiltration bed of the river beach 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 an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (9)
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.
7. The operation method of the wetland system of the riverway beach filtration bed of any one of claims 1 to 6, which is characterized by comprising the following steps: the switch controller of the water taking pump is started, the river water body enters the percolation bed system through the water conveying pipeline and the water distribution system to realize purification and lifting, and the wetland outlet water stably converges into the river water body through the water outlet system.
8. The operation method according to claim 7, wherein the water inlet of different blocks of the percolation bed system is controlled and adjusted by a water distribution pipeline control valve.
9. The operation method of claim 7, wherein under normal operation conditions, the control valve of the water distribution pipeline is opened, and the water in the river channel uniformly enters the wetland of the percolation bed through the water distribution floral tube to realize water purification; and under the maintenance working condition, closing the water distribution pipeline control valve corresponding to the percolation bed block, stopping water inflow of the block, maintaining the percolation bed system, restarting the water replenishing pipeline control valve corresponding to the percolation bed block after the operation is finished, and enabling the river water to reenter the percolation bed system to recover the water purification function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010745069.2A CN114057297A (en) | 2020-07-29 | 2020-07-29 | Riverway beach filtration bed wetland system and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010745069.2A CN114057297A (en) | 2020-07-29 | 2020-07-29 | Riverway beach filtration bed wetland system and operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114057297A true CN114057297A (en) | 2022-02-18 |
Family
ID=80226828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010745069.2A Pending CN114057297A (en) | 2020-07-29 | 2020-07-29 | Riverway beach filtration bed wetland system and operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114057297A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993579A (en) * | 2014-05-26 | 2014-08-20 | 天津大学 | Riverside ecological multi-dimensional circulating type wet land slow-flow infiltration pollutant intercepting system |
| CN203845855U (en) * | 2014-04-28 | 2014-09-24 | 农业部沼气科学研究所 | Water distribution device of manual rapid infiltration system |
| CN106007190A (en) * | 2016-06-29 | 2016-10-12 | 中国环境科学研究院 | Bypass purification method and method for heavy polluted rivers |
| CN110642384A (en) * | 2019-09-05 | 2020-01-03 | 郑州大学 | Artificial wetland system for reducing river beach and platform land pollution |
-
2020
- 2020-07-29 CN CN202010745069.2A patent/CN114057297A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203845855U (en) * | 2014-04-28 | 2014-09-24 | 农业部沼气科学研究所 | Water distribution device of manual rapid infiltration system |
| CN103993579A (en) * | 2014-05-26 | 2014-08-20 | 天津大学 | Riverside ecological multi-dimensional circulating type wet land slow-flow infiltration pollutant intercepting system |
| CN106007190A (en) * | 2016-06-29 | 2016-10-12 | 中国环境科学研究院 | Bypass purification method and method for heavy polluted rivers |
| CN110642384A (en) * | 2019-09-05 | 2020-01-03 | 郑州大学 | Artificial wetland system for reducing river beach and platform land pollution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106978839B (en) | A kind of sponge urban rainwater collection purification utilization integrated system | |
| CN208235696U (en) | A kind of Rain Garden system based on sponge ecosystem purification of water quality | |
| CN100453739C (en) | Method for slope protecting natural simulating ecological constitution and taking account of surface source pollution control | |
| CN104986860A (en) | Ecological treatment technology for power-free river water purification | |
| CN104372845B (en) | A kind of urban pavement Initial Runoff intercepting pollution for rainwater treating apparatus | |
| CN207567889U (en) | Residential quarters Rainwater collection system | |
| CN105464050B (en) | Renewable filler-plant society formula irrigation canals and ditches-bank protection nitrogen phosphorus ecological intercepting system | |
| CN202849165U (en) | Multifunctional nitrogen and phosphorus removal treatment device for subsurface constructed wetland | |
| CN205556241U (en) | Composite artificial wetland | |
| CN104129888A (en) | Building community underlying surface rainwater runoff treatment system | |
| CN111919621B (en) | Cold region habitat recovery-based street tree pool structure and manufacturing method | |
| CN110820913A (en) | Rainwater comprehensive treatment system | |
| CN111333197B (en) | Ecological restoration method for low-water river | |
| CN112323717A (en) | Water system communication system and implementation method thereof | |
| CN111646645A (en) | Clear water runoff production slope protection system and application method thereof | |
| CN108328744B (en) | Three-stage ecological pond for treating farmland non-point source pollution based on sponge ecological system | |
| CN105174478A (en) | Biofilter | |
| CN211285935U (en) | Rainwater comprehensive treatment system | |
| CN106865776B (en) | Multistage water-stacking rotary purification system for sponge urban low-lying land | |
| CN201226701Y (en) | Low pressure water-saving irrigation system | |
| CN114149082A (en) | Multifunctional lake shore stepped drop wetland system and operation method | |
| CN205061699U (en) | Biological filter | |
| CN107601761A (en) | A kind of sponge city solar energy water circulatory system | |
| CN112796396A (en) | Zero-external-discharge sponge urban rainwater system | |
| CN213387977U (en) | Riverway beach ground infiltration bed wetland system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |