CN109338991B - Ecological revetment with bank side non-point source pollution purification function - Google Patents
Ecological revetment with bank side non-point source pollution purification function Download PDFInfo
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- CN109338991B CN109338991B CN201811360976.4A CN201811360976A CN109338991B CN 109338991 B CN109338991 B CN 109338991B CN 201811360976 A CN201811360976 A CN 201811360976A CN 109338991 B CN109338991 B CN 109338991B
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- 238000000746 purification Methods 0.000 title claims abstract description 13
- 239000002689 soil Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 29
- 239000010935 stainless steel Substances 0.000 claims abstract description 29
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 28
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000010457 zeolite Substances 0.000 claims abstract description 28
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 16
- 239000010432 diamond Substances 0.000 claims abstract description 16
- 239000004746 geotextile Substances 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 239000000945 filler Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 3
- 230000012010 growth Effects 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 9
- 239000002352 surface water Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
-
- 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
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
-
- 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
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Botany (AREA)
- Biotechnology (AREA)
- Environmental Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Revetment (AREA)
Abstract
An ecological revetment with a shore non-point source pollution purification function is characterized in that a stainless steel protection net and a water storage tank are utilized to divide an ecological revetment main body into an upper turf planting belt, an ecological groove, a lower turf planting belt and a toe four part. The upper turf planting belt filler layer consists of a haydite layer, a diamond layer and a planting soil layer; the bottom of the ecological groove is provided with a water storage tank, and the internal packing layer of the ecological groove consists of a gravel layer, a zeolite layer, a ceramsite layer and a planting soil layer; the lower turf planting belt packing layer consists of a gravel layer, a zeolite layer and a planting soil layer. And planting turfs on the upper-end turfs planting belt and the lower-end turfs planting belt, and planting emergent aquatic plants on the ecological grooves. The turf planting belt and the ecological grooves can filter surface rainwater and sewage, plants absorb pollutants in water, intercept and purify surface runoff entering a river. The ecological groove can store a certain amount of water, meets the growth requirement of plants, and has the double effects of purifying water quality and ecologically planting.
Description
Technical Field
The invention relates to an ecological revetment with a shore non-point source pollution purification function, and particularly relates to the technical field of environmental protection.
Background
Revetments, also known as revetments, refer to structures built below the surface of a river and protecting the river bank from washout or collapse, and are commonly used on both sides of garden or urban landscape rivers. Traditional river course revetment generally adopts concrete placement or stone slurry to build the mode of revetment, and the plant is difficult for growing, and the stereoplasm revetment lacks the aesthetic feeling, has reduced the impression effect. In addition, the hard revetments block the transverse connection of the river ecological system, the water body and the river soil cannot exchange substances, and the self-purification capacity of the river is reduced. Particularly municipal rainwater is discharged, natural rainfall is carried out, and sewage containing substances such as nitrogen, phosphorus, heavy metals and the like directly flows to a river along the revetment, so that serious pollution is caused to the river. The urban river has the functions of flood control and drainage, landscape culture, ecological environment, rain and flood utilization and the like, so that the construction of the ecological revetment with the bank side non-point source pollution purification function has important significance.
Disclosure of Invention
The invention aims to provide an ecological revetment with a shore non-point source pollution purification function, so as to purify surface runoff sewage and improve the revetment impression of an urban river.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention relates to an ecological revetment with a shore non-point source pollution purification function, which consists of an upper-end turf planting belt (1), an ecological groove (2), a lower-end turf planting belt (3) and a slope toe (4), wherein stainless steel protection nets (14) are respectively arranged between the upper-end turf planting belt (1), the lower-end turf planting belt (3) and the ecological groove (2) and between the lower-end turf planting belt (3) and the slope toe (4); the length of the revetment slope is not less than 4m;
the upper-end turf planting belt (1) consists of a haydite layer (5), a rubble layer (6), a planting soil layer (7) and turf (8); the upper-end turf planting belt (1) is paved with a ceramsite layer (5), and a diamond layer (6), a planting soil layer (7) and turf (8) are sequentially arranged on the ceramsite layer; wherein, the grain diameter of the haydite layer (5) is 1.0-1.5cm, and the paving thickness is 10-15cm; the diamond layer (6) adopts a mode that a flat diamond with the block diameter of 8.0-10.0cm is matched with middle sand, and the paving thickness is 20+/-5 cm; the thickness of the planting soil layer (7) is 20+/-5 cm;
the ecological groove (2) is composed of a groove gravel layer (9), a groove zeolite layer (10), a groove ceramsite layer (11), a groove planting soil layer (12), a water storage tank (13) and emergent aquatic plants (15); the ecological groove (2) is provided with a water storage tank (13), the bottom layer in the water storage tank (13) is a groove gravel layer (9), and the groove zeolite layer (10), the groove ceramsite layer (11), a groove planting soil layer (12) and emergent aquatic plants (15) are sequentially arranged on the water storage tank; wherein the gravel grain diameter of the groove gravel layer (9) is 0.3-0.6cm, and the paving thickness is 30+/-5 cm; the grain diameter of zeolite in the groove zeolite layer (10) is 0.6-1.0cm, and the paving thickness is 30+/-5 cm; the grain diameter of the groove haydite layer (11) haydite is 1.0-1.5cm, the thickness is set according to the actual gradient of the revetment, and the minimum thickness is 20cm; the thickness of the groove planting soil layer (12) is 20+/-5 cm;
the lower-end turf planting belt (3) consists of a lower-end turf gravel layer (16), a lower-end turf zeolite layer (17), a lower-end turf planting soil layer (18) and turf (8); the lower-end turf planting belt (3) is paved with a lower-end turf gravel layer (16), and a lower-end turf zeolite layer (17), a lower-end turf planting soil layer (18) and turf (8) are sequentially arranged on the lower-end turf planting belt; wherein the grain diameter of the gravel of the lower-end turf gravel layer (16) is 0.3-0.6cm, and the paving thickness is 10-15cm; the grain diameter of zeolite of the lower turf zeolite layer (17) is 0.6-1.0cm, and the paving thickness is 20+/-5 cm; the thickness of the lower turf planting soil layer (18) is 20+/-5 cm.
The water storage tank (13) adopts a concrete pouring mode and consists of a tank bottom (13-1), an upper end tank wall (13-2) and a lower end tank wall (13-3); the width of the groove bottom (13-1) is 100+/-20 cm, and the thickness of the groove bottom is 30+/-5 cm; the height of the lower end groove wall (13-3) is set to be 50+/-10 cm, the height of the upper end groove wall (13-2) is set according to the actual gradient of the revetment, and the wall thickness of the groove walls at the upper end and the lower end is 20+/-5 cm.
The stainless steel protection net (14) consists of stainless steel (14-1) and geotextile (14-2); the stainless steel (14-1) is woven into a net in a diamond shape, and is respectively embedded and fixed on an upper end groove wall (13-2) and a lower end groove wall (13-3) of the water storage tank (13) when the water storage tank (13) is poured, and the top end of the stainless steel (14-1) is level with a revetment slope; the geotextile (14-2) is sewn on the stainless steel (14-1) by nylon ropes.
The toe (4) is closely abutted against the turf planting belt (3) at the lower end, and a stainless steel protection net (14) is arranged between the toe and the turf planting belt; the toe (4) is formed by stacking natural stones with the block diameter of 20-30cm, and is fixed by gabion mesh, the width of the toe is 40-50cm, and the height is 50-65cm.
The beneficial effects of the invention are as follows:
compared with the traditional revetment, the ecological revetment provided by the invention is provided with the upper-end turf planting belt (1), the ecological groove (2), the lower-end turf planting belt (3) and the slope toe (4), so that a single concrete revetment structure is changed, not only is the pollution of a side source weakened, but also the look and feel is improved.
When the surface runoff flows through the upper-end turf planting belt (1), the rubble layer (6) is uniformly paved by flat rubble, irregular stone gaps are formed between the rubble and the rubble, and an overflow channel is formed, so that the overflow of surface water on the rubble layer (6) to an ecological groove is facilitated. The permeated surface water flows into the ecological ditch (2) through the stainless steel protection net (14) under the action of gravity, and soil particles and solid impurities can not be eroded by water flow due to the shielding of the geotechnical cloth (14-2). In addition, the stainless steel protection net adopts SS304 stainless steel (14-1), has higher impact load resistance, fixes the upper end turf planting belt (1), prevents upper end turf planting belt (1) from sliding down. Ecological interception and purification of the upper turf planting belt (1) reduce solid impurities and pollutants in surface runoff.
The groove zeolite layer (10) of the ecological groove (2) has adsorptivity and ion exchange property, and can deeply purify and adsorb surface runoff overflowed by the upper turf planting belt (1). The groove ceramsite layer (11) has the advantages of excellent impermeability, large specific surface area and the like, and can support water sources for plant growth. The groove gravel layer (9), the groove zeolite layer (10) and the groove ceramsite layer (11) can be used as microorganism carriers to form biological films, play a role of a biological filter layer, and purify and remove heavy metal pollution and organic pollution in water. In addition, emergent aquatic plants are planted on the groove planting soil layer (12), the root system is attached with a membrane, and pollutants in water are biodegraded. Under the dual actions of the mixed filler layer and the plant root system, the concentration of pollutants is greatly reduced. Meanwhile, the water storage tank (13) intercepts surface water, thereby meeting the growth requirement of emergent aquatic plants and realizing the effect of ecological planting.
Finally, under the deep purification effect of the turf and packing layers of the lower-section turf planting belt (3), the surface runoff overflows to the river channel through the slope feet (4), pollutants are basically eliminated, the pollution of the surface runoff to the river is reduced, and the function and landscape unification of the revetment are realized.
Drawings
FIG. 1 is a schematic view of an ecological revetment with a bank-side non-point source pollution purification function;
FIG. 2 is a schematic view of the structure of the upper sod planting belt;
FIG. 3 is a schematic structural view of a bio-trench;
FIG. 4 is a schematic view of the structure of the lower turf planter belt;
FIG. 5 is a schematic view of a water storage tank;
FIG. 6 is a schematic view of a structure of a stainless steel protective net;
in the figure: 1. a turf planting belt at the upper end; 2. an ecological groove; 3. a lower turf planting belt; 4. a toe; 5. a ceramic particle layer; 6. a diamond layer; 7. planting a soil layer; 8. turf; 9. a layer of trench gravel; 10. a trench zeolite layer; 11. a trench ceramsite layer; 12. a trench planting soil layer; 13. a water storage tank; 14. stainless steel protective net; 15. emerging plants; 16. a lower turf gravel layer; 17. a lower turf zeolite layer; 18. a lower turf planting soil layer; 13-1, groove bottom; 13-2, upper end groove wall; 13-3, lower groove wall; 14-1, stainless steel; 14-2, geotextile.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
As shown in fig. 1 to 6, an ecological revetment with a shore non-point source pollution purification function comprises an upper turf planting belt (1), an ecological groove (2), a lower turf planting belt (3) and a toe (4).
The bottom of the ecological groove (2) is provided with a concrete pouring water storage tank (13), and the water storage tank (13) is composed of a tank bottom (13-1), an upper end tank wall (13-2) and a lower end tank wall (13-3). The width of the groove bottom (13-1) is 100cm, and the thickness is 30cm. The height of the lower end groove wall (13-3) is 50cm, the height of the upper end groove wall (13-2) is set according to the actual gradient of the revetment, and the wall thickness of the upper end groove wall (13-2) and the wall thickness of the lower end groove wall (13-3) are both 20cm. Stainless steel protection nets (14) are arranged between the upper end and the lower end of the water storage tank (13) and the revetment slope, and the stainless steel protection nets (14) are formed by combining geotextiles (14-2) and SS304 stainless steel (14-1). The stainless steel (14-1) is woven into a net in a diamond shape, the stainless steel is fixed on the upper end groove wall (13-2) and the lower end groove wall (13-3) of the water storage tank (13) when the water storage tank (13) is poured, the geotextile (14-2) is sewn on the stainless steel (14-1) by nylon ropes, and the whole stainless steel protection net (14) is 50cm in height. The ecological groove (2) is internally provided with a mixed filler layer, and the filler composition of the mixed filler layer is as follows from bottom to top in sequence: the soil-planting device comprises a groove gravel layer (9), a groove zeolite layer (10), a groove ceramsite layer (11) and a groove planting soil layer (12). The groove gravel layer (9) is formed by uniformly paving gravel with the grain diameter of 0.3-0.6cm above the water storage tank (13) and has the thickness of 30cm. The groove zeolite layer (10) with the grain diameter of 0.6-1.0cm is arranged above the groove gravel layer (9), and the laying thickness is 30cm. The groove haydite layer (11) with the grain diameter of 1.0-1.5cm (the thickness is set according to the actual condition of the gradient, and the minimum thickness is 20 cm) is arranged above the groove haydite layer (10). A groove planting soil layer (12) with the thickness of 20cm is arranged above the groove ceramsite layer (11), emergent aquatic plants (15) are arranged on the groove planting soil layer (12), and the emergent aquatic plants (15) are uniformly planted at intervals of not more than 10cm.
The turf planting belt comprises an upper part and a lower part which are respectively positioned at the upper part and the lower part of the ecological groove (2). The bottom widths of the upper-end turf planting belt (1) and the lower-end turf planting belt (3) can be symmetrically arranged by taking the ecological groove (2) as a center according to the actual condition of the revetment. The upper turf planting belt (1) is paved with a haydite layer (5) with the grain diameter of 1.0-1.5cm, and the paving thickness is 10cm. The haydite layer (5) is paved with a diamond layer (6), the thickness of the diamond layer is 20cm, and the diamond layer (6) is evenly paved by adopting a mode of matching flat diamond with the block diameter of 8.0-10.0cm with middle sand. Irregular stone gaps are formed between the rubble and the rubble, and an overflow channel is formed, so that the earth surface leakage water can overflow to the ecological groove (2) on the rubble layer (6). A planting soil layer (7) is paved on the diamond layer (6), the thickness of the planting soil layer (7) is 20cm, and a turf (8) is planted on the planting soil layer (7), so that water and soil loss is prevented, and surface runoff is purified. The lower-end turf planting belt (3) is paved with a lower-end turf gravel layer (16), the gravel grain size is 0.3-0.6cm, and the paving thickness is 10cm. The lower turf zeolite layer (16) is paved with a lower turf zeolite layer (17) with the zeolite grain diameter of 0.6-1.0cm and the thickness of 20cm. A lower-end turf planting soil layer (18) with the thickness of 20cm is paved on the lower-end turf zeolite layer (17), and turf (8) is planted on the lower-end turf planting soil layer (18) to deeply purify the water entering the river.
The toe (4) is attached to the lower turf planting belt (3), and a stainless steel protection net (14) with the height of 50cm is arranged between the toe and the turf planting belt. The toe (4) is formed by stacking natural stones with the block diameter of 20-30cm, and is fixed by a gabion mesh, the width of the toe is 40cm, and the height is 50cm. On one hand, the bank slope can be stabilized, and on the other hand, the surface runoff can overflow to the river channel through the slope feet (4) due to gaps between the block stones.
Claims (1)
1. An ecological revetment with bank side non-point source pollution purification function, its characterized in that: the ecological revetment consists of an upper-end turf planting belt (1), an ecological groove (2), a lower-end turf planting belt (3) and a slope toe (4), wherein stainless steel protection nets (14) are respectively arranged among the upper-end turf planting belt (1), the lower-end turf planting belt (3) and the ecological groove (2) and between the lower-end turf planting belt (3) and the slope toe (4); the length of the revetment slope is not less than 4m;
the upper-end turf planting belt (1) consists of a haydite layer (5), a rubble layer (6), a planting soil layer (7) and turf (8); the upper-end turf planting belt (1) is paved with a ceramsite layer (5), and a diamond layer (6), a planting soil layer (7) and turf (8) are sequentially arranged on the ceramsite layer; wherein, the grain diameter of the haydite layer (5) is 1.0-1.5cm, and the paving thickness is 10-15cm; the diamond layer (6) adopts a mode that a flat diamond with the block diameter of 8.0-10.0cm is matched with middle sand, and the paving thickness is 20+/-5 cm; the thickness of the planting soil layer (7) is 20+/-5 cm;
the ecological groove (2) is composed of a groove gravel layer (9), a groove zeolite layer (10), a groove ceramsite layer (11), a groove planting soil layer (12), a water storage tank (13) and emergent aquatic plants (15); the ecological groove (2) is provided with a water storage tank (13), the bottom layer in the water storage tank (13) is a groove gravel layer (9), and the groove zeolite layer (10), the groove ceramsite layer (11), a groove planting soil layer (12) and emergent aquatic plants (15) are sequentially arranged on the water storage tank; wherein the gravel grain diameter of the groove gravel layer (9) is 0.3-0.6cm, and the paving thickness is 30+/-5 cm; the grain diameter of zeolite in the groove zeolite layer (10) is 0.6-1.0cm, and the paving thickness is 30+/-5 cm; the grain diameter of the groove haydite layer (11) haydite is 1.0-1.5cm, the thickness is set according to the actual gradient of the revetment, and the minimum thickness is 20cm; the thickness of the groove planting soil layer (12) is 20+/-5 cm;
the lower-end turf planting belt (3) consists of a lower-end turf gravel layer (16), a lower-end turf zeolite layer (17), a lower-end turf planting soil layer (18) and turf (8); the lower-end turf planting belt (3) is paved with a lower-end turf gravel layer (16), and a lower-end turf zeolite layer (17), a lower-end turf planting soil layer (18) and turf (8) are sequentially arranged on the lower-end turf planting belt; wherein the grain diameter of the gravel of the lower-end turf gravel layer (16) is 0.3-0.6cm, and the paving thickness is 10-15cm; the grain diameter of zeolite of the lower turf zeolite layer (17) is 0.6-1.0cm, and the paving thickness is 20+/-5 cm; the thickness of the lower turf planting soil layer (18) is 20+/-5 cm;
the water storage tank (13) adopts a concrete pouring mode and consists of a tank bottom (13-1), an upper end tank wall (13-2) and a lower end tank wall (13-3); the width of the groove bottom (13-1) is 100+/-20 cm, and the thickness of the groove bottom is 30+/-5 cm; the height of the groove wall (13-3) at the lower end is set to be 50+/-10 cm, the height of the groove wall (13-2) at the upper end is set according to the actual gradient of the revetment, and the wall thickness of the groove walls at the upper end and the lower end is 20+/-5 cm;
the stainless steel protection net (14) is composed of stainless steel (14-1) and geotextile (14-2); the stainless steel (14-1) is woven into a net in a diamond shape, and is respectively embedded and fixed on an upper end groove wall (13-2) and a lower end groove wall (13-3) of the water storage tank (13) when the water storage tank (13) is poured, and the top end of the stainless steel (14-1) is level with a revetment slope; the geotextile (14-2) is sewed on the stainless steel (14-1) by nylon ropes;
the toe (4) is closely abutted against the turf planting belt (3) at the lower end, and a stainless steel protection net (14) is arranged between the toe and the turf planting belt; the toe (4) is formed by stacking natural stones with the block diameter of 20-30cm, and is fixed by gabion mesh, the width of the toe is 40-50cm, and the height is 50-65cm.
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| CN201811360976.4A CN109338991B (en) | 2018-11-15 | 2018-11-15 | Ecological revetment with bank side non-point source pollution purification function |
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| CN109338991B true CN109338991B (en) | 2024-03-08 |
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| CN111762898B (en) * | 2020-07-15 | 2022-07-29 | 中国建筑设计研究院有限公司 | Ecological gravel revetment for degrading micro-pollutants in water body and construction method thereof |
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| CN101307596A (en) * | 2008-07-09 | 2008-11-19 | 河海大学 | Large medium river course compound platform surface source control and purification system |
| CN102146666A (en) * | 2011-02-16 | 2011-08-10 | 河海大学 | River waterfront multiplayer composite plant pollutant purification zone and construction method of river waterfront multiplayer composite plant pollutant purification zone |
| KR20110138051A (en) * | 2010-06-18 | 2011-12-26 | 씨앤지환경기술 (주) | Urban non-point pollutant treatment device using ecological trench |
| CN206680949U (en) * | 2017-01-20 | 2017-11-28 | 北京正和恒基城市规划设计研究院有限公司 | Enter the ecological revetment of lake rainwash pollution for purifying landscape lake |
| CN207175703U (en) * | 2017-07-28 | 2018-04-03 | 上海十方生态园林股份有限公司 | A kind of natural revetment purifying water body structure |
| CN209429039U (en) * | 2018-11-15 | 2019-09-24 | 中国电建集团江西省电力建设有限公司 | A kind of ecological revetment with bank pollution of area source purification function |
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2018
- 2018-11-15 CN CN201811360976.4A patent/CN109338991B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307596A (en) * | 2008-07-09 | 2008-11-19 | 河海大学 | Large medium river course compound platform surface source control and purification system |
| KR20110138051A (en) * | 2010-06-18 | 2011-12-26 | 씨앤지환경기술 (주) | Urban non-point pollutant treatment device using ecological trench |
| CN102146666A (en) * | 2011-02-16 | 2011-08-10 | 河海大学 | River waterfront multiplayer composite plant pollutant purification zone and construction method of river waterfront multiplayer composite plant pollutant purification zone |
| CN206680949U (en) * | 2017-01-20 | 2017-11-28 | 北京正和恒基城市规划设计研究院有限公司 | Enter the ecological revetment of lake rainwash pollution for purifying landscape lake |
| CN207175703U (en) * | 2017-07-28 | 2018-04-03 | 上海十方生态园林股份有限公司 | A kind of natural revetment purifying water body structure |
| CN209429039U (en) * | 2018-11-15 | 2019-09-24 | 中国电建集团江西省电力建设有限公司 | A kind of ecological revetment with bank pollution of area source purification function |
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