CN112942245A - Ecological buffering and purifying system for gradient rainfall runoff of steep slope hard bank side belt - Google Patents
Ecological buffering and purifying system for gradient rainfall runoff of steep slope hard bank side belt Download PDFInfo
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- CN112942245A CN112942245A CN202110202245.2A CN202110202245A CN112942245A CN 112942245 A CN112942245 A CN 112942245A CN 202110202245 A CN202110202245 A CN 202110202245A CN 112942245 A CN112942245 A CN 112942245A
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- ecological
- steep slope
- buffering
- purifying
- rainfall runoff
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
Abstract
The invention discloses a step rainfall runoff ecological buffering and purifying system of a steep slope hard bank side belt, which comprises a plurality of step structures, wherein the slope surfaces of the steep slope hard bank side belt of the step structures are arranged in a Z-shaped crossed manner from top to bottom, a steep slope reinforcing device is arranged on the outer side of each step structure and fixedly connected with a steep slope, an ecological buffering and purifying structure is arranged inside each step structure, the outer layer of the ecological buffering and purifying structure is a groove body, and a perforated drain pipe is arranged at the bottom of the ecological buffering and purifying structure. The cascade rainfall runoff ecological buffering and purifying system for the steep slope hard bank side belt can be widely applied to ecological restoration of the steep slope hard bank side belt, has multiple functions of protecting and reinforcing a bank slope, buffering hydraulic impact, purifying rainwater quality, beautifying ecological environment and the like, is favorable for restoring the habitat of the bank side belt and maintaining the health and stability of a river water ecological system, and also has the advantages of small occupied area and low construction difficulty.
Description
Technical Field
The invention relates to the technical field of ecological environment treatment and restoration, in particular to a gradient rainfall runoff ecological buffering and purifying system of a steep slope hard bank side belt.
Background
The bank area is an important area for material conversion, energy transfer and information exchange between rivers and lands. The shoreside belt has the functions of intercepting and sewage-receiving, flood control and drainage, shore protection and ecological protection, has rich biodiversity, can provide habitation and living environment for different organisms, builds good regional ecological landscape, and is greatly beneficial to the ecological, social and economic development of cities.
In recent years, the urban river ecosystem is seriously degraded due to human activities, which is mainly shown in that: under the background of urbanization construction, as the ecological environment construction lags behind the economic society development, the urban river construction mostly takes the basic requirements of flood control, flood drainage and the like as the main, is limited by a limited space range, is forced to bend and straighten, and presents the situations of hardening and canalization, and simultaneously, because of the lack of the space condition for constructing a buffer zone close to a natural river bank, the bank band structure gradually tends to be simplified and presents a hard vertical or steep slope form, so that the river hydrological imbalance is caused, and the natural river facies are damaged; the hardened river bank can not provide a habitat suitable for living and inhabitation of organisms, so that the biodiversity of the bank side area is reduced, and the ecological function is gradually lost; under the background of rapid development of economy, the river pollution load is obviously increased when the river is used as a receiving water body, and the receiving force and the purifying force of the canalized river to rainfall runoff are obviously insufficient, so that the water body pollution is aggravated, and the water quality is difficult to reach the standard. How to solve the pollution of river water becomes a key subject of water environment treatment in China.
The relevant fields are gradually aware of the important function of the buffering and purifying system of the bank side band, and the construction of the ecological restoration technology of the bank side band is started. However, the traditional ecological bank side band restoration technology is suitable for the bank side band of the gentle slope, the hydraulic retention time is short, the landscaping and habitat restoration aspects are considered less, more land area is occupied, and the ecological restoration requirement of the hard bank side band of the urban steep slope cannot be met. Under the background, an ecological bank sideband needs to be constructed, water quality purification and ecological landscape benefits are achieved, a river bank habitat is recovered within a confined range of a bank space, and the health of a river water ecosystem is maintained.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a gradient rainfall runoff ecological buffering and purifying system for a steep slope hard bank area, which can overcome the defects in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
the utility model provides an ecological buffering clean system of step rainfall runoff of abrupt slope stereoplasm bank area, includes a plurality of step structures, step structure coastal area inclined plane is Z shape from top to bottom and alternately arranges, the step structure outside is equipped with abrupt slope reinforcing apparatus, abrupt slope reinforcing apparatus fixes on stereoplasm abrupt slope surface, the inside ecological buffering purification structure that is equipped with of step structure, ecological buffering purification structure skin is the cell body, ecological buffering purification structure bottom is equipped with the perforation drain pipe.
Furthermore, the steep slope reinforcement device comprises a plurality of anchor rods fixed on the steep slope, and the anchor rods are connected with the fixed frame on the surface of the steep slope; the anchor rod is concrete or a steel frame; the fixed frame is a steel frame.
Furthermore, a gravel layer, a coarse sand layer, a planting soil layer, a filtering and water storage layer and a vegetation layer are respectively arranged in the ecological buffering and purifying structure from bottom to top.
Further, the plant community requirement of the vegetation layer in the ecological buffering and purifying structure is as follows: the deep-rooted plants with strong pollution resistance, pollutant purification capacity, short-time flooding resistance, long-time drought resistance, strong wind resistance, rain wash resistance and developed root systems can be one or a combination of small aquatic plants, herbaceous plants and shrub plants which are suitable for local planting.
Further, the filtering and water storage layer is a high-density chemical fiber felt or a mineral cotton pad.
Furthermore, the planting soil layer is composite planting soil, and the thickness of the soil layer is determined according to the type of the plant layer.
Further, the groove body is made of masonry, concrete or steel plates.
Furthermore, the steep slope is a natural or artificial bank slope with an angle of more than 45 degrees, the downward inclination angle of the stair structure is not more than 15 degrees, the length of the stair structure is not more than 10m, the width of the stair structure is 0.1-0.3m, and the interval between adjacent stair structures is 0.1-0.3 m.
The invention has the beneficial effects that: the step rainfall runoff ecological buffering and purifying system of the steep slope hard bank side belt can be widely applied to ecological restoration of the steep slope hard bank side belt, has multiple functions of protecting and reinforcing a bank slope, buffering hydraulic impact, purifying rainwater quality, beautifying ecological environment and the like, is favorable for restoring the habitat of the bank side belt and maintaining the health and stability of a river water ecological system; the abrupt slope hard bank area step rainfall runoff ecological buffering and purifying system also has the advantages of small occupied area and low construction difficulty, can realize the rainfall runoff water quality purification without additionally occupying the land, recovers the ecological health of the bank area, improves the stability of a river water ecological system, and forms a unique bank area water fall landscape in a rainy period.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a gradient rainfall runoff ecological buffering and purifying system of a steep slope hard bank area according to an embodiment of the invention;
FIG. 2 is a schematic sectional view of an ecological buffering and purifying structure and a steep slope reinforcement device according to an embodiment of the invention;
in the figure: 1. The top end of the bank side belt; 2. a plant; 3. a steep slope reinforcement device; 4. an ecological buffering and purifying structure; 5. the bottom end of the bank belt; 6. a vegetable layer; 7. filtering the aquifer; 8. planting a soil layer; 9. a coarse sand layer; 10. a gravel layer; 11. a perforated drain pipe; 12. a trough body; 13. an anchor rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Example 1
As shown in fig. 1, a steep slope hard bank area step rainfall runoff ecological buffering and purifying system comprises 3-level step structures (the number of step structures can be increased or decreased according to the height of the bank area), the steep slope is a natural or artificial bank slope with an angle greater than 45 degrees, the length of each step structure is not more than 10m, the width of each step structure is 0.1-0.3m, the step structures are positioned between the top ends 1 and 5 of the bank areas, the slope surfaces of the step structures along the bank areas are arranged in a Z-shaped cross manner from top to bottom, the inclination angle of each step structure is 7 degrees, the interval between adjacent steps of the step structures is 0.1-0.3m, and the falling water at the tail end of the step structure positioned above can fall into the head end of the step structure below, so that a continuous water quality step purifying process is realized; the outer side of the step structure is provided with a steep slope reinforcing device 3, the steep slope reinforcing device 3 is fixed on the surface of a hard steep slope, an ecological buffering and purifying structure 4 is arranged inside the step structure, and the ecological buffering and purifying structure 4 is positioned in the steep slope reinforcing device 3; ecological buffering purification structure 4 is cell body banded structure, and the skin is cell body 12, and inside plant 2, ecological buffering purification structure 4 bottom is equipped with perforation drain pipe 11, perforation drain pipe 11's export makes rivers edgewise bank side band from top to bottom carry out purification water quality filtration purification through first step structure, second step structure and third step structure in proper order, finally in third step structure water conservancy diversion to the river course. The length and the inclination angle of the abrupt slope reinforcing device 3 and the ecological buffering and purifying structure 4 can be adjusted according to the characteristics of different river channels, and the premise is that the stable function of the bank side band structure is ensured.
As shown in fig. 2, the steep slope reinforcement device 3 comprises a plurality of anchor rods 13 fixed on the steep slope, and the anchor rods 13 are connected with a fixed frame on the surface of the steep slope; the tank body 12 is fixed on the surface of a steep slope hard bank side belt through an anchor rod 13; the tank body 12 is made of concrete material; the anchor rods 13 are made of concrete or steel material; the fixed frame is a steel frame. The ecological buffering and purifying structure 4 comprises a perforated drain pipe 11, a gravel layer 10, a coarse sand layer 9, a planting soil layer 8, a filtering and water storage layer 7 and a vegetation layer 6 from bottom to top; the gravel layer 10 can place 200mm-800mm of gravel, and the thickness can be set to 0.2 m; the thickness of the coarse sand layer 9 can be set to 0.1 m; the planting soil layer 8 can adopt composite planting soil, and the thickness is determined according to the selected root depth of vegetation; the filtering and water storage layer 7 can adopt a chemical fiber felt or a mineral cotton cushion with higher density, and the thickness is 50 mm; the vegetation layer 6 can adopt small aquatic plants, herbaceous plants and shrub plants which are suitably planted locally, for example, the vegetation such as the foxtail algae, the vetiver grass, the butterfly flower, the bermudagrass, the paspalum distichum and the like is selected to adopt a plurality of combined planting modes, the aquatic plants are preferentially planted in a step structure close to a river channel, and the multilevel arrangement of the vegetation is considered so as to fully exert the water quantity buffering and water quality purifying effects.
In conclusion, by means of the technical scheme, the gradient rainfall runoff ecological buffering and purifying system for the steep slope hard bank side belt can be widely applied to ecological restoration of the steep slope hard bank side belt, has multiple functions of protecting and reinforcing the bank slope, buffering hydraulic impact, purifying rainwater quality, beautifying ecological environment and the like, is favorable for restoring the habitat of the bank side belt and maintaining the health and stability of a river water ecological system; the abrupt slope hard bank area step rainfall runoff ecological buffering and purifying system also has the advantages of small occupied area and low construction difficulty, can realize the rainfall runoff water quality purification without additionally occupying the land, recovers the ecological health of the bank area, improves the stability of a river water ecological system, and forms a unique bank area water fall landscape in a rainy period.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides an ecological buffering clean system of step rainfall runoff of abrupt slope stereoplasm bank area, includes a plurality of step structures, its characterized in that, step structure shore side area inclined plane is Z shape from top to bottom and alternately arranges, the step structure outside is equipped with abrupt slope reinforcing apparatus (3), abrupt slope reinforcing apparatus (3) and abrupt slope fixed connection, step structure inside is equipped with ecological buffering purification structure (4), ecological buffering purification structure (4) skin is cell body (12), ecological buffering purification structure (4) bottom is equipped with perforation drain pipe (11).
2. The ecological buffering and purifying system for the steep slope hard shore area with the stepped rainfall runoff, according to claim 1, is characterized in that the steep slope reinforcing device (3) comprises a plurality of anchor rods (13) fixed on the steep slope, and the anchor rods (13) are connected with a fixed frame on the surface of the steep slope; the anchor rod (13) is concrete or a steel frame; the fixed frame is a steel frame.
3. The ecological buffering and purifying system for the steep slope hard bank side belt with the stepped rainfall runoff according to claim 1, wherein a gravel layer (10), a coarse sand layer (9), a planting soil layer (8), a filtering and water storage layer (7) and a vegetation layer (6) are respectively arranged inside the ecological buffering and purifying structure (4) from bottom to top.
4. The ecological buffering and purifying system for the steep slope hard bank area with the stepped rainfall runoff according to claim 3, wherein the plant community of the vegetation layer (6) in the ecological buffering and purifying structure (4) is one or more of small aquatic plants, herbaceous plants and shrub plants.
5. The ecological buffering and purifying system for the steep slope hard bank area with the gradient rainfall runoff, which is characterized in that the filtering and water accumulating layer (7) is a chemical fiber felt or a mineral cotton cushion.
6. The ecological buffering and purifying system for the gradient rainfall runoff of the steep slope hard bank area as claimed in claim 3, wherein the planting soil layer (8) is composite planting soil.
7. The ecological buffering and purifying system for the steep slope hard bank edge area stepped rainfall runoff of the claim 1, wherein the tank body (12) is made of masonry, concrete or steel plate.
8. The ecological buffering and purifying system for the steep slope hard shore area with the stepped rainfall runoff, according to claim 1, wherein the steep slope is a natural or artificial shore slope with an angle of inclination of more than 45 degrees, the downward inclination angle of the stepped structure is not more than 15 degrees, the length of the stepped structure is not more than 10m, the width of the stepped structure is 0.1-0.3m, and the interval between adjacent stepped structures is 0.1-0.3 m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110202245.2A CN112942245A (en) | 2021-02-23 | 2021-02-23 | Ecological buffering and purifying system for gradient rainfall runoff of steep slope hard bank side belt |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110202245.2A CN112942245A (en) | 2021-02-23 | 2021-02-23 | Ecological buffering and purifying system for gradient rainfall runoff of steep slope hard bank side belt |
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| CN112942245A true CN112942245A (en) | 2021-06-11 |
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| CN202110202245.2A Pending CN112942245A (en) | 2021-02-23 | 2021-02-23 | Ecological buffering and purifying system for gradient rainfall runoff of steep slope hard bank side belt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114656112A (en) * | 2022-04-19 | 2022-06-24 | 中持水务股份有限公司 | Buffer belt structure and buffer belt manufacturing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104126538A (en) * | 2013-02-05 | 2014-11-05 | 成都新朝阳作物科学有限公司 | AOS component application |
| CN204675969U (en) * | 2015-05-21 | 2015-09-30 | 武汉大学 | A kind of multistage drop oxygenation formula irrigation canals and ditches are communicated with ecological pond rural sewage treatment system |
| CN208378542U (en) * | 2018-06-06 | 2019-01-15 | 云南省水利水电勘测设计研究院 | Sewage disposal system based on artificial swamp |
| CN208732738U (en) * | 2018-08-22 | 2019-04-12 | 济南园林开发建设集团有限公司 | A kind of wetland eco-reconstruction structure |
| CN110092537A (en) * | 2019-04-26 | 2019-08-06 | 深圳市环境科学研究院 | A kind of compound wet land treating system of three stageds |
| AU2020103451A4 (en) * | 2020-11-16 | 2021-01-28 | China University Of Mining And Technology | Method for landscape water body regulation and ecological purification of urban and peripheral high-water-table coal mining subsidence areas |
-
2021
- 2021-02-23 CN CN202110202245.2A patent/CN112942245A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104126538A (en) * | 2013-02-05 | 2014-11-05 | 成都新朝阳作物科学有限公司 | AOS component application |
| CN204675969U (en) * | 2015-05-21 | 2015-09-30 | 武汉大学 | A kind of multistage drop oxygenation formula irrigation canals and ditches are communicated with ecological pond rural sewage treatment system |
| CN208378542U (en) * | 2018-06-06 | 2019-01-15 | 云南省水利水电勘测设计研究院 | Sewage disposal system based on artificial swamp |
| CN208732738U (en) * | 2018-08-22 | 2019-04-12 | 济南园林开发建设集团有限公司 | A kind of wetland eco-reconstruction structure |
| CN110092537A (en) * | 2019-04-26 | 2019-08-06 | 深圳市环境科学研究院 | A kind of compound wet land treating system of three stageds |
| AU2020103451A4 (en) * | 2020-11-16 | 2021-01-28 | China University Of Mining And Technology | Method for landscape water body regulation and ecological purification of urban and peripheral high-water-table coal mining subsidence areas |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114656112A (en) * | 2022-04-19 | 2022-06-24 | 中持水务股份有限公司 | Buffer belt structure and buffer belt manufacturing method |
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Application publication date: 20210611 |
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