CN210122703U - Constructed in wetland facility is strained to essence of river course riverbed - Google Patents
Constructed in wetland facility is strained to essence of river course riverbed Download PDFInfo
- Publication number
- CN210122703U CN210122703U CN201920426607.4U CN201920426607U CN210122703U CN 210122703 U CN210122703 U CN 210122703U CN 201920426607 U CN201920426607 U CN 201920426607U CN 210122703 U CN210122703 U CN 210122703U
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- Prior art keywords
- water
- sheet pile
- pile wall
- riverway
- wall body
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- Withdrawn - After Issue
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 134
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000005067 remediation Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- 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
- Y02A20/402—River restoration
Abstract
The utility model relates to a fine filtration wetland facility constructed on a riverway riverbed, which is arranged in a non-navigation riverway and along the water flow direction, and comprises a first sheet pile wall body positioned at the upstream of the riverway, a second sheet pile wall body positioned at the downstream of the riverway, water inlet channels positioned at the two sides of the riverway and an ecological filter bed positioned between the first sheet pile wall body and the second sheet pile wall body, wherein a large-water-volume flood discharge gate is arranged above the first sheet pile wall body, and the ecological filter bed comprises a drainage layer arranged at the bottom and a professional filter material layer positioned on the drainage layer; the water level between the first sheet pile wall body and the second sheet pile wall body is lower than the water level of the upstream and higher than the water level of the downstream, and water enters the ecological filter bed through the water inlet channels on the two sides. This structure can enough carry out ecological remediation to the black and odorous water body in river course, can resume the ability of going flood in river course again, can also strengthen the ability of going flood in river course in the torrential rainy period, alleviates the problem of urban waterlogging, and the rainfall period finishes instant retrieval to the ecological remediation function of the black and odorous water body in river course, has the multifunctionality.
Description
Technical Field
The utility model relates to a constructed wetland technique of black and odorous water body ecological remediation in river course and flood and drainage especially relates to a construct in the essence of river course riverbed and strain wetland facility.
Background
The urban black and odorous river channel treatment not only achieves the ecological restoration effect of the river channel, but also integrates various requirements of urban garden landscape, building art and ecological environment protection in the construction process, and simultaneously achieves the effect of showing hydraulic engineering. Along with the increase of national treatment strength of black and odorous river channels, the construction strength is increased in the aspect of river channel ecological restoration, and the artificial wetland technology is more and more widely applied to river channel ecological restoration projects. And aiming at some riverways with large water volume and wide water volume, not only the ecological restoration of the water body is needed, but also the flood-dredging and flood-draining functions of the riverway in the rainfall period and the heavy raining period are needed to be considered. The utility model discloses the technique one kind is established and is strained wetland facility in the essence of river course riverbed and can satisfy above these demands.
Disclosure of Invention
The utility model aims to solve the technical problem that a wetland facility is strained in the essence of riverway riverbed to structure that can carry out deep purification to river course sewage and have the flood discharge function simultaneously is provided.
The utility model provides a technical scheme that its technical problem adopted is: a fine filtration wetland facility constructed on a riverway and a riverbed of a riverway is arranged in the riverway which is not in navigation and is along the water flow direction, and comprises a first sheet pile wall body positioned at the upstream of the riverway, a second sheet pile wall body positioned at the downstream of the riverway, water inlet channels positioned at two sides of the riverway and an ecological filter bed positioned between the first sheet pile wall body and the second sheet pile wall body, wherein a large-water-volume flood discharge gate is arranged above the first sheet pile wall body, and the ecological filter bed comprises a drainage layer arranged at the bottom and a professional filter material layer positioned on the drainage layer; the water level between the first sheet pile wall and the second sheet pile wall is lower than the water level at the upstream and higher than the water level at the downstream, the water body flows through the water level difference, and the water body enters the ecological filter bed between the first sheet pile wall and the second sheet pile wall through the water inlet channels at the two sides.
More specifically, an overflow gate is arranged at the downstream, a clear water channel is formed between the second sheet pile wall and the overflow gate, the outlet water of the drainage layer enters the clear water channel, and the water in the clear water channel enters the downstream through overflow.
Further specifically, the drainage blanket below be equipped with the support plane, the support plane prop up and form a plurality of flood control passageways through a plurality of supporting walls and river course bottom the import and the exit of flood control passageway all be equipped with small water yield flood discharge gate.
More specifically, a supporting plane is arranged between the first sheet pile wall and the overflow gate, the supporting plane is supported by a plurality of supporting walls and forms a plurality of flood control channels with the bottom of the river channel, and the inlets and outlets of the flood control channels are provided with small-water-volume flood discharge gates; the drainage layer is arranged on the supporting plane, and the clear water channel is arranged on the supporting plane.
More specifically, the bottom of the supporting plane is provided with an impermeable layer for preventing water seepage.
More specifically, the drainage layer is supported by a plurality of support rods to form a drainage cavity, and a water outlet of the drainage layer is formed in the wall body of the second sheet pile.
More specifically, the drainage layer is composed of gravels, and a water outlet of the drainage layer is formed in the wall body of the second sheet pile.
Further specifically, a water distribution structure is arranged on the surface of the professional filter material layer, and the water distribution structure receives roadside rainwater collected by a shore rainwater pipe network and distributes water intermittently.
More specifically, the professional filter material layer is composed of 2-8mm of coarse gravel.
Further specifically, the first sheet pile wall body is made of a gabion structure, and the large-water-volume flood discharge gate extends upwards to a position higher than the ecological filter bed and the water inlet channel from the bottom of the gabion structure.
The utility model has the advantages that: the utility model provides a construct in essence wetland facility of straining of river course riverbed, can enough carry out ecological remediation to the black and odorous water body in river course, can resume the flood discharge ability in river course again, can also strengthen the flood discharge ability in river course in the torrential rain period, alleviate the problem of urban waterlogging, and the rainfall period finishes instant retrieval to the ecological remediation function of the black and odorous water body in river course, has the multifunctionality.
Drawings
Fig. 1 is a schematic top view of the present invention;
fig. 2 is a schematic sectional view of embodiment 1 of the present invention along the water flow direction;
fig. 3 is a schematic sectional structure view along the water flow direction of embodiment 2 of the present invention;
fig. 4 is a schematic sectional view of embodiment 3 of the present invention along the water flow direction;
fig. 5 is a schematic sectional view of embodiment 4 of the present invention along the water flow direction;
fig. 6 is a schematic cross-sectional structure view of the embodiment 2 and the embodiment 4 of the present invention in a direction perpendicular to the water flow direction;
fig. 7 is a schematic sectional view of embodiment 4 with a gabion structure according to the present invention along the water flow direction.
In the figure: 1. a first sheet pile wall; 2. a second sheet pile wall; 3. an overflow gate; 4. a water inlet channel; 5. an ecological filter bed; 6. a clear water channel; 7. wetland plants; 8. a flood protection tunnel; 9. a support wall; 10. a small water discharge gate; 11. a large-flow flood discharge gate; 12. a gabion structure; 51. a drainage layer; 52. a professional filter material layer; 53. a water outlet; 54. and supporting the plane.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, in embodiment 1, a fine filtration wetland facility constructed on a riverbed of a riverway is arranged in a non-navigable riverway and along a water flow direction, and comprises a first sheet pile wall 1 located at an upstream of the riverway, a second sheet pile wall 2 located at a downstream of the riverway, a water inlet channel 4 located at two sides of the riverway, and an ecological filter bed 5 located between the first sheet pile wall 1 and the second sheet pile wall 2, wherein a large-water-volume flood discharge gate 11 is arranged above the first sheet pile wall 1, and the ecological filter bed 5 comprises a drainage layer 51 arranged at the bottom and a professional filter material layer 52 located on the drainage layer 51; the water level between the first sheet pile wall 1 and the second sheet pile wall 2 is lower than the upstream water level, the downstream water level is lower than the water level of the ecological filter bed 5 between the first sheet pile wall 1 and the second sheet pile wall 2, the flow of the water body is realized through the water level difference, the water from the upstream riverway automatically flows into the water inlet channel 4 and overflows to the ecological filter bed 5 between the first sheet pile wall 1 and the second sheet pile wall 2 from two sides; the special filter material layer 52 is composed of coarse gravel with the diameter of 2-8mm, and the rounded coarse gravel is selected for treating the river water, so that organic matters, ammonia nitrogen, large-particle impurities and pathogens are mainly removed, and meanwhile, some wetland plants 7 are planted in the special filter material layer 52; the water inlet channel 4 can simultaneously collect overflowing rain sewage at the bank of the river; the drainage layer 51 can be supported by a plurality of support rods and form a drainage cavity, the drainage layer 51 can also be composed of gravels, a gap between the gravels is the drainage cavity, and the water outlet 53 of the drainage layer 51 is arranged on the second sheet pile wall body 2. The water body flowing mode of the embodiment 1 is that the upstream water body enters the fine filtration wetland from the water inlet channels 4 on both sides due to the blocking of the large-water-volume flood discharge gate 11, the water body enters the drainage cavity of the drainage layer 51 after being filtered by the coarse gravel of the professional filter material layer 52, and the water body is gathered in the drainage layer 51 and discharged through the water outlet 53 of the second sheet pile wall body 2; when the river meets flood, the large-water-volume flood discharge gate 11 is opened to perform flood discharge operation, the large-water-volume flood discharge gate 11 is closed after the flood passes, and the fine-filtration wetland of the river is recovered. The large-water-volume flood discharge gate 11 can be connected with automatic water level detection equipment on the upstream and downstream sides of a river channel, and can be automatically opened when the upstream water level height is suddenly increased to a warning water level, or can be manually opened by adopting a mechanical control button. When the downstream water level suddenly increases the warning water level, the flood may flow backward, and the valve may be opened automatically or manually by using a mechanical control button.
As shown in fig. 3 and fig. 6, in embodiment 2, on the basis of the structure of embodiment 1, in order to increase the flood control function of the fine filtration wetland, a support plane 54 is arranged below the drainage layer 51, a water seepage prevention impermeable layer is arranged at the bottom of the support plane 54, the support plane 54 is supported by a plurality of support walls 9, and a plurality of flood control channels 8 which are in a channel shape and along the water flow direction are formed between the support plane 54 and the bottom of the river channel, small-water-volume flood discharge gates 10 are arranged at the inlet and the outlet of the flood control channel 8, the small-water-volume flood discharge gates 10 are closed all the year round in the early season, and when the water volume in the river channel is large, the small-water-volume flood discharge gates 10 at the inlet and the outlet are opened, so that the water directly passes through the flood control channels 8 and is discharged to the downstream, thereby realizing the; when encountering extra-large flood, the flood discharge gate 11 with large water volume is opened simultaneously, so that the flood can pass through the top and the bottom of the fine filtration wetland, and the flood discharge function is realized. The large water volume flood discharge gate 11 and the small water volume flood discharge gate 10 can be connected with automatic water level detection equipment on the upstream and downstream of a river channel simultaneously, and when the upstream water level height is suddenly increased to a warning water level, the automatic water level detection equipment can be automatically opened, and a mechanical control button can also be adopted, so that the automatic water level detection equipment can be manually opened. When the downstream water level suddenly increases the warning water level, the flood may flow backward, and the valve may be opened automatically or manually by using a mechanical control button.
As shown in fig. 4, in embodiment 3, on the basis of the structure of embodiment 1, in order to facilitate the gathering of the filtered water, an overflow gate 3 is arranged at the downstream of the second sheet pile wall 2, and a clear water channel 6 is formed between the second sheet pile wall 2 and the overflow gate 3; the water discharged from the drainage layer 51 enters the clear water channel 6, and the water in the clear water channel 6 overflows to the downstream. The clear water channel 6 can realize standing precipitation of the filtered water body, clear liquid at the top overflows from the top of the overflow gate 3, and the overflow gate 3 is electrically controlled and can be inclined to control the water level of the clear water channel 6 and the water level of the downstream; especially when the water body in the ecological filter bed 5 is too high, the upstream water supply is too much or the upstream water supply is too fast and the water level exceeds the warning water level, the overflow gate 3 can be completely opened, so that the water flow can pass through quickly.
As shown in fig. 5 and fig. 6, in embodiment 4, on the basis of the structure of embodiment 3, in order to increase the flood control function of the fine filtration wetland, a supporting plane 54 is arranged between the first sheet pile wall 1 and the overflow gate 3, an impermeable layer for preventing water seepage is arranged at the bottom of the supporting plane 54, the supporting plane 54 is supported by a plurality of supporting walls 9, a plurality of flood control channels 8 which are in a channel shape and along the water flow direction are formed between the supporting plane 54 and the bottom of the river channel, and the inlets and outlets of the flood control channels 8 are provided with small-water-volume discharge gates 10; the drainage layer 51 is arranged above a supporting plane 54, and the clear water channels 6 are arranged above the supporting plane 54. The clear water channel 6 can realize standing precipitation of the filtered water body, clear liquid at the top overflows from the top end of the overflow gate 3, and the water level of the clear water channel 6 and the water level of the downstream are controlled by the inclination of the overflow valve 3; when encountering extra-large flood, the flood discharge gate 11 with large water volume is opened simultaneously, so that the flood can pass through the top and the bottom of the fine filtration wetland, and the flood discharge function is realized. The large-volume floodgate 11 and the small-volume floodgate 10 are electrically controlled and automatically opened when the upstream water level exceeds the warning water level.
Based on the structures of the 4 embodiments, in order to enable water in the river to flow up in the dry season, as shown in fig. 7, the first sheet pile wall 1 is made of a gabion structure 12, the large-water-volume flood discharge gate 11 extends upwards from the bottom of the gabion structure 12 to be higher than the ecological filter bed 5 and the water inlet channel 4, and the gabion structure 12 is characterized in that part of water can pass through; in a dry season, because the water level at the upstream of the river channel is too low, water cannot enter through the water inlet channel 4, at the moment, the flood discharge gate 11 with large water volume is opened, so that the gabion structure 12 is directly contacted with river water, and the river water enters the ecological filter 5 along gaps among the gabion structures 12, is treated and then flows to the downstream; in the embodiments 1 and 3, because the flood control channel 8 is not provided, the river is easy to smell because the river water does not circulate in the dry season, and the flow of the river water is realized by arranging the gabion structure 12; in embodiments 2 and 4, the flood protection channel 8 is used, i.e. the small-flow floodgate 10 can be opened to flow river water through the flood protection channel 8, and the large-flow floodgate 11 can be opened to flow river water through the gabion structure 12.
In summary, the above 4 embodiments can perform fine filtration on the river water body, and the flood control function is added in the embodiments 2 and 4, so that the pressure of the fine filtration wetland can be reduced when the water amount is too large, and the example 3 can further perform purification through the function of precipitation, thereby improving the purification function.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A fine filtration wetland facility constructed on a riverbed of a riverway is arranged in the riverway which is not in navigation and is along the water flow direction, and is characterized by comprising a first sheet pile wall body (1) positioned at the upstream of the riverway, a second sheet pile wall body (2) positioned at the downstream of the riverway, water inlet channels (4) positioned at two sides of the riverway and an ecological filter bed (5) positioned between the first sheet pile wall body (1) and the second sheet pile wall body (2), wherein a large-water-volume flood discharge gate (11) is arranged above the first sheet pile wall body (1), and the ecological filter bed (5) comprises a drainage layer (51) arranged at the bottom and a professional filter material layer (52) positioned on the drainage layer (51); the water level between the first sheet pile wall body (1) and the second sheet pile wall body (2) is lower than the water level at the upstream and higher than the water level at the downstream, the flow of the water body is realized through the water level difference, and the water body enters the ecological filter bed (5) between the first sheet pile wall body (1) and the second sheet pile wall body (2) through the water inlet channels (4) at the two sides.
2. A fine filtration wetland facility as claimed in claim 1, wherein an overflow gate (3) is arranged at the downstream, a clear water channel (6) is formed between the second sheet pile wall (2) and the overflow gate (3), the water in the drainage layer (51) enters the clear water channel (6), and the water in the clear water channel (6) overflows into the downstream.
3. The fine filtration wetland facility constructed on the riverbed of the riverway according to claim 1, wherein a support plane (54) is arranged below the drainage layer (51), the support plane (54) is supported by a plurality of support walls (9) and forms a plurality of flood control channels (8) with the bottom of the riverway, and small-water-volume flood discharge gates (10) are arranged at the inlet and the outlet of each flood control channel (8).
4. The fine filtration wetland facility constructed on the riverbed of the riverway according to claim 2, wherein a support plane (54) is arranged between the first sheet pile wall body (1) and the overflow gate (3), the support plane (54) is supported by a plurality of support walls (9) and forms a plurality of flood control channels (8) with the bottom of the riverway, and the inlets and outlets of the flood control channels (8) are provided with small-water-volume flood discharge gates (10); the drainage layer (51) is arranged on the supporting plane (54), and the clear water channel (6) is arranged on the supporting plane (54).
5. The fine filtration wetland facility constructed on the riverway and riverbed of claim 3 or 4, wherein a seepage-proof layer for preventing water seepage is arranged at the bottom of the supporting plane (54).
6. The fine filtration wetland facility constructed on the riverway and riverbed of claim 1, 3 or 4, wherein the drainage layer (51) is supported by a plurality of support rods and forms a drainage cavity, and the water outlet (53) of the drainage layer (51) is arranged on the second sheet pile wall (2).
7. The fine filtration wetland equipment constructed on the riverway and riverbed of claim 1, 3 or 4, wherein the drainage layer (51) is composed of gravels, and the water outlet (53) of the drainage layer (51) is arranged on the second sheet pile wall body (2).
8. The fine filtration wetland facility constructed on the riverbed of the riverway according to claim 1, wherein a water distribution structure is arranged on the surface of the professional filter material layer (52), and the water distribution structure receives roadside rainwater collected by a shore rainwater pipe network and distributes water intermittently.
9. The fine filtration wetland facility constructed on the riverway and riverbed of claim 1, wherein the special filter material layer (52) is composed of coarse gravel with the thickness of 2-8 mm.
10. The fine filtration wetland facility constructed on the riverbed of the riverway according to any one of claims 1 to 4, wherein the first sheet pile wall body (1) is made of a gabion structure (12), and the high-water-volume flood discharge gate (11) extends upwards from the bottom of the gabion structure (12) to be higher than the ecological filter bed (5) and the water inlet channel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426607.4U CN210122703U (en) | 2019-04-01 | 2019-04-01 | Constructed in wetland facility is strained to essence of river course riverbed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426607.4U CN210122703U (en) | 2019-04-01 | 2019-04-01 | Constructed in wetland facility is strained to essence of river course riverbed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210122703U true CN210122703U (en) | 2020-03-03 |
Family
ID=69632114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920426607.4U Withdrawn - After Issue CN210122703U (en) | 2019-04-01 | 2019-04-01 | Constructed in wetland facility is strained to essence of river course riverbed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210122703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853459A (en) * | 2019-04-01 | 2019-06-07 | 苏州德华生态环境科技股份有限公司 | A kind of refined filtration wetland facility being implemented in river riverbed |
-
2019
- 2019-04-01 CN CN201920426607.4U patent/CN210122703U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853459A (en) * | 2019-04-01 | 2019-06-07 | 苏州德华生态环境科技股份有限公司 | A kind of refined filtration wetland facility being implemented in river riverbed |
| CN109853459B (en) * | 2019-04-01 | 2024-03-08 | 苏州德华生态环境科技股份有限公司 | Fine filtering wetland facility constructed on riverway and riverbed |
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Granted publication date: 20200303 Effective date of abandoning: 20240308 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200303 Effective date of abandoning: 20240308 |