CN204491518U - A kind of ecological revetment structure - Google Patents
A kind of ecological revetment structure Download PDFInfo
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- CN204491518U CN204491518U CN201420847068.9U CN201420847068U CN204491518U CN 204491518 U CN204491518 U CN 204491518U CN 201420847068 U CN201420847068 U CN 201420847068U CN 204491518 U CN204491518 U CN 204491518U
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Abstract
The utility model relates to a kind of ecological revetment structure, described bank protection structure comprises along the domatic adsorption filtration layer that arranges of bank revetment foundation and bed mud ecology bag layer from bottom to top, described adsorption filtration layer is the layer structure that graded gravel, zeolite and flyash are laid, the top of described adsorption filtration layer is also equipped with three-dimension vegetative net, the ecology bag that described bed mud ecology bag layer fills bed mud and fine sand by inside is piled up and is formed, and on described ecology bag, kind is implanted with heavy metal super-enriched type plant and landscape plant.Bed mud after the desilting of lake, river is carried out local use by the utility model, further absorbing and filtering is carried out to the pollutant of bed mud and Eutrophication materials by layer-stepping bank protection structure and vegetation plantation, not only reach the innoxious utilization of resources of bed mud, and avoid shore protection build needed for the wasting of resources such as planting soil, and saved the cost of bed mud transport, define structure attractive in appearance stable, the ecological revetment that ecological effect is outstanding.
Description
Technical field
The utility model relates to a kind of river course, the Shore protection design of lake and other water bodys and construction applications, particularly relates to a kind of ecological revetment structure, particularly relates to a kind of environmental Water bank protection structure utilizing riverbed sludge to build in water body treating engineering.
Background technology
In Hu Deng waters, river, a large amount of alluvials of bed mud have a strong impact on the Regulation Function of flood control, shipping and water body.And along with the enrichment in bed mud of a large amount of pollutants, when water environment is by disturbance, the part pollutant in bed mud can return to aqueous phase from deposit.Bed mud becomes the important pollution sources that water bodies of rivers and lakes pollutes, and has persistence to the impact in waters.Therefore, Sediment Dredging is most effective method during urban rivers and lakes regulation and sediment pollution control.But the bed mud after dredging often containing a large amount of toxic heavy metal and other organic pollutions, is stored up and need be taken a large amount of soil, and rainfall and surface erosion can cause the pollutant in bed mud to flow down with footpath oozes or side is oozed, and cause secondary pollution to water environment.In transportation, bed mud is easy contaminated environment also, and freight charges are higher.
On the other hand, also containing materials such as N, the P needed for a large amount of plant growth in bed mud, if carry out recycling by after Dredged bed mud harmless treatment, make it turn waste into wealth, not only can solve the regulation problem of bed mud, certain economic benefit can also be produced, environmental dredging can be made again to move towards the road of sustainable development.
And in lake, river is built, shore protection ecology represents the developing direction of shore protection technology.Ecological revetment has abandoned the shore protection mode of channelization, hardening, plant or plant is utilized to combine with civil engineering, protect lake, river is domatic, pursue natural feature form and the natural section form in waters, river and soil is kept to interpenetrate, strengthen the ability of the river self-purification, reach the shore protection form with ecological functions and natural landscape effect.
Utility model content
The purpose of this utility model is for the problems referred to above, proposes a kind of ecological revetment structure, so that the bed mud after the desilting of lake, river is carried out ecological revetment construction as embankment material.
For achieving the above object, the utility model provides a kind of ecological revetment structure, described bank protection structure comprises along the domatic adsorption filtration layer that arranges of bank revetment foundation and bed mud ecology bag layer from bottom to top, described adsorption filtration layer is the layer structure that graded gravel, zeolite and flyash are laid, the top of described adsorption filtration layer is also equipped with three-dimension vegetative net, the ecology bag that described bed mud ecology bag layer fills bed mud and fine sand by inside is piled up and is formed, and on described ecology bag, kind is implanted with heavy metal super-enriched type plant and landscape plant.
Preferably, the vertical height ratio of described bed mud ecology bag layer and described adsorption filtration layer is 1:1 ~ 3:2.
Preferably, the thickness of described adsorption filtration layer is 10 ~ 30cm, and the particle diameter of described graded gravel is 2 ~ 15cm, and described sized zeolite particles is 1 ~ 5cm, and the particle diameter of described flyash is 0.5 ~ 1cm.
Preferably, described bank protection structure also comprises the barricade being arranged on bank revetment foundation face toe, and described barricade is higher than the bottom 30 ~ 50cm of described adsorption filtration layer, and described barricade (7) is permeable barricade, is at least gabion box or deep water stake.
Preferably, described bank protection structure also comprises the planting soil being laid on described three-dimensional plant net (2) and the aquatic or hygrophyte be planted in described planting soil.
Preferably, described bed mud be through dehydration decrement and add heavy metal chelant, curing compound and heavy metal pollution microorganism carry out harmless treatment after river and lake dredging bed mud.
Based on technique scheme, the utility model has the advantages that:
Bed mud after the desilting of lake, river is carried out local use by the utility model, and the shore protection being applied to water bodies of rivers and lakes after carrying out harmless treatment to it is built, further absorbing and filtering is carried out to the pollutant of bed mud and Eutrophication materials by layer-stepping bank protection structure and vegetation plantation, not only reach the innoxious utilization of resources of bed mud, and avoid shore protection build needed for the wasting of resources such as planting soil, and saved the cost of bed mud transport, define structure attractive in appearance stable, the ecological revetment that ecological effect is outstanding.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is ecological bank protection structure vertical direction schematic diagram;
Fig. 2 is ecological bank protection structure cross-sectional configuration schematic diagram;
Wherein, 1 ~ bank revetment foundation; 2 ~ three-dimension vegetative net; 3 ~ adsorption filtration layer; 4 ~ bed mud ecology bag layer; 5 ~ ecology bag; 6 ~ heavy metal super-enriched type plant and landscape plant; 7 ~ barricade.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The utility model provides a kind of ecological revetment structure, and described bank protection structure comprises the adsorption filtration layer 3 and bed mud ecology bag layer 4 that arrange along bank revetment foundation domatic 1 from bottom to top.Described bed mud ecology bag layer 4 can adjust according to shore protection height with the vertical height of adsorption filtration layer 3.Preferably, the vertical height ratio of described bed mud ecology bag layer and described adsorption filtration layer can be set to 1:1 ~ 3:2.
The ecology bag 5 that described bed mud ecology bag layer 4 fills bed mud and fine sand by inside is piled up and is formed, and on described ecology bag 5, kind is implanted with plant 6, and described plant 6 surpasses concentration type plant and other landscape plant for heavy metal.Described bed mud ecology bag layer 4 adopts infiltration not ooze the environment protection ecologic bag 5 of soil, is linked together, form flexible stabilization bank protection structure after multilayer is piled up by tight lock construction.Described ecology bag 5 is a kind of is the sack that raw material is made by polypropylene or polyester fiber, usually, the specification of described ecology bag 5 is 815 × 440mm, by planting on ecology bag 5, root system can enter ground basic unit by ecology bag 5 and reach reinforced action, forms stable shore protection body.
Filler in described ecology bag 5 is the Sediments pulverized of dehydration and the planting soil that is mixed to form according to the ratio that volume ratio is 1:1 ~ 2:1 of fine sand.Preferably, described bed mud be through dehydration decrement and add heavy metal chelant, the microorganism of curing compound and degradable heavy metal pollution carries out the river and lake dredging bed mud after harmless treatment.Sediments is because of containing heavy metal, need the microorganism of adding heavy metal chelant, curing compound and degradable heavy metal pollution before use, play the absorption to the heavy metal chelating in bed mud, solidification and microorganism or biological oxidation, reduction, thus reduce rate travel and the toxic action of heavy metal ion, avoid rainfall or the water yield larger time bring heavy metal into water body, preventing pollution water environment.
Further, described ecology bag 5 is planted be implanted with heavy metal-polluted soil and surpass concentration type plant 6, as vetiver, ciliate desert-grass, squama sedge, Indian mustard etc.In addition, for ensureing landscape effect, other view shrubs configurable etc.By effects such as the Nutrition and Metabolisms of the chelating of chemical method and solidification, microorganism adsorption and plants enriched, bed mud nutrient, thus weaken the pollution of the material such as heavy metal, N, P to water body.
Entering water body, polluted water resources for preventing the heavy metal contaminants in bed mud ecology bag layer 4 and N, P etc. from oozing out on a small quantity or running off, in the below of described ecology bag layer 4, adsorption filtration layer 3 being set near the part of the water surface.Described adsorption filtration layer 3 is the layer structure that graded gravel, zeolite and flyash are laid, and the top of described adsorption filtration layer 3 is also equipped with three-dimension vegetative net 2.Preferably, in described adsorption filtration layer 3, the ratio of graded gravel, zeolite and flyash is 6:2:2 ~ 4:3:3.
Further, the particle diameter of described graded gravel is 2cm ~ 15cm, and sized zeolite particles is 1cm ~ 5cm, and the particle diameter of flyash is 0.5cm ~ 1cm.This layer thickness can carry out a series of adjustment according to the gradient etc., generally can be set to 10cm ~ 30cm.Described graded gravel, zeolite, flyash can effectively adsorb and filter the pollutant such as heavy metal, N, P that in ecology bag 5, bed mud goes up because of rain drop erosion, pouring maintenance or water level and dissolves.Wherein, this Rotating fields of graded gravel Absorbable organic halogens play the effect of adsorption filtration; The suction-operated of zeolite to Nitrogen In Sediment is stronger; Flyash, except Phosphate Sorption, also can play good suction-operated to the heavy metal in water body, thus essentially eliminates bed mud pollution to water body in shore protection.
Also can cage construction be set in described adsorption filtration layer 3, stablizes sloping bank, the mixture in fixing adsorption filtration layer 3.For obtaining better effect, preferably, described bank protection structure also comprises the planting soil being laid on described three-dimensional plant net 2 and the aquatic or hygrophyte with Function For Purifying Water and landscape effect be planted in described planting soil, again carries out absorption cleaning to the pollutant in bed mud.By the adsorption filtration of graded gravel, zeolite, flyash and the double purified effect of hygrophyte, the pollution of hazardous substances to water body effectively can be eliminated.
For fixing described adsorption filtration layer 3 does not glide because of current scour or the steeper gradient, especially when the gradient of described bank revetment foundation domatic 1 is greater than 45 °, barricade 7 can be set bottom described bank revetment foundation domatic 1, described barricade 7 is higher than the bottom 30 ~ 50cm of described adsorption filtration layer 3, and described barricade 7 is for having the barricade of pervious function, as: gabion box or deep water stake etc.Bed mud after the desilting of lake, river is carried out local use by the utility model, and the shore protection being applied to water bodies of rivers and lakes after carrying out harmless treatment to it is built, and further absorbing and filtering is carried out to the pollutant of bed mud and Eutrophication materials by layer-stepping bank protection structure and vegetation plantation, not only reach the innoxious utilization of resources of bed mud, and avoid shore protection build needed for the wasting of resources such as planting soil, and saved the cost of bed mud transport, define structure attractive in appearance stable, the ecological revetment that ecological effect is outstanding.
Ecological revetment structure of the present utility model builds by following steps:
A, river and lake dredging bed mud is carried out harmless treatment, and mix with fine sand for subsequent use afterwards after the bed mud handled well is pulverized.Particularly, river and lake dredging bed mud is on the spot after dehydration minimizing process, the microorganism etc. of interpolation heavy metal chelant, curing compound, degradable heavy metal pollution carries out carrying out harmless treatment to pollutants such as the heavy metals in bed mud, for subsequent use after mixing according to the ratio that volume ratio is 1:1 ~ 2:1 with fine sand after finally being pulverized by the bed mud handled well.
B, according to Shore protection design require height and gradient process bank revetment foundation domatic 1, to meet construction requirement.
C, graded gravel, zeolite and flyash are laid on described bank revetment foundation domatic 1, form adsorption filtration layer 3, and on described adsorption filtration layer 3, lay three-dimension vegetative net 2 be fixed.Particularly, first in the scope of operation, lay graded gravel, zeolite, flyash, three take volume ratio as the abundant mixture of the ratio of 6:2:2 ~ 4:3:3, if the gradient is greater than 45 degree, can arrange cage construction, the major ingredient in fixing described adsorption filtration layer 3.The particle diameter of described graded gravel is 2cm ~ 15cm, and described sized zeolite particles is 1cm ~ 5cm, and the particle diameter of described flyash is 0.5cm ~ 1cm.This layer thickness can carry out a series of adjustment according to the gradient etc., generally can be set to 10cm ~ 30cm.Then on described adsorption filtration layer 3, lay three-dimension vegetative net 2 to be fixed.Finally, cover gardens loam about 2 ~ 10cm on three-dimension vegetative net surface, the aquatic or hygrophyte of plantation Function For Purifying Water and landscape effect.
D, bed mud pretreated in steps A and fine sand to be inserted in ecology bag 5, and described ecology bag 5 is piled up on the bank revetment foundation domatic 1 on described adsorption filtration layer 3, form bed mud ecology bag layer 4.Particularly, first, will add heavy metal chelant, curing compound, heavy metal pollution microorganism in aforementioned bed mud, kind and dosage need determine according to heavy metal contamination.Then, the ratio being 1:1 ~ 2:1 by volume by the bed mud processed and fine sand mixes and loads in ecology bag 5.Finally, lay specification in shore protection top area according to ecology bag shore protection and carry out multiple-level stack and fix, form stable flexible shore protection body.
E, on described ecology bag 5 planting plants 6, described plant 6 surpasses concentration type plant and other landscape plant for heavy metal, carries out General Maintenance afterwards.
Preferably, when the gradient of described bank revetment foundation domatic 1 is greater than 45 °, described step B is also included in bottom described bank revetment foundation domatic 1 and arranges barricade 7.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (6)
1. an ecological revetment structure, it is characterized in that: described bank protection structure comprises the adsorption filtration layer (3) and bed mud ecology bag layer (4) that arrange along bank revetment foundation domatic (1) from bottom to top, described adsorption filtration layer (3) is layer structure, the top of described adsorption filtration layer (3) is also equipped with three-dimension vegetative net (2), the ecology bag (5) that described bed mud ecology bag layer (4) fills bed mud and fine sand by inside is piled up and is formed, and the upper kind of described ecology bag (5) is implanted with heavy metal super-enriched type plant and landscape plant (6).
2. bank protection structure according to claim 1, is characterized in that: described bed mud ecology bag layer (4) is 1:1 ~ 3:2 with the vertical height ratio of described adsorption filtration layer (3).
3. bank protection structure according to claim 1, is characterized in that: the thickness of described adsorption filtration layer (3) is 10 ~ 30cm.
4. bank protection structure according to claim 1, it is characterized in that: described bank protection structure also comprises the barricade (7) being arranged on bank revetment foundation domatic (1) face toe, described barricade (7) is higher than the bottom 30 ~ 50cm of described adsorption filtration layer (3), and described barricade (7) is permeable barricade, be at least gabion box or deep water stake.
5. bank protection structure according to claim 1, is characterized in that: described bank protection structure also comprises the planting soil being laid on described three-dimensional plant net (2) and the aquatic or hygrophyte be planted in described planting soil.
6. bank protection structure according to claim 1, is characterized in that: described bed mud is the river and lake dredging bed mud after harmless treatment.
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| CN201420847068.9U CN204491518U (en) | 2014-12-26 | 2014-12-26 | A kind of ecological revetment structure |
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| CN201420847068.9U CN204491518U (en) | 2014-12-26 | 2014-12-26 | A kind of ecological revetment structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089139A (en) * | 2015-09-09 | 2015-11-25 | 苏州宏盛园林建设工程有限公司 | Soil erosion preventing greenbelt |
| CN106171096A (en) * | 2016-08-30 | 2016-12-07 | 岭南新科生态科技研究院（北京）有限公司 | The structure of the Rain Garden that a kind of trapezoidal gabion encloses and construction method thereof |
| CN108265580A (en) * | 2018-01-24 | 2018-07-10 | 河海大学 | A kind of the river channel ecology system and its construction method of cutting dirt-bank protection-water purification based on reuse of dredging |
| CN108905961A (en) * | 2018-07-23 | 2018-11-30 | 山东建筑大学 | A kind of restorative procedure in cadmium zinc pollution river |
| CN108905960A (en) * | 2018-07-23 | 2018-11-30 | 山东建筑大学 | A method of Cu-W ore deposit river is repaired using modified particles zeolite |
| CN110639942A (en) * | 2019-09-12 | 2020-01-03 | 中国电建集团江西省电力建设有限公司 | Ecological system and method for restoring polluted soil |
| CN110668668A (en) * | 2019-09-10 | 2020-01-10 | 安徽三链生态环保有限公司 | Pollution degradation type ecological brick manufacturing process |
-
2014
- 2014-12-26 CN CN201420847068.9U patent/CN204491518U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089139A (en) * | 2015-09-09 | 2015-11-25 | 苏州宏盛园林建设工程有限公司 | Soil erosion preventing greenbelt |
| CN106171096A (en) * | 2016-08-30 | 2016-12-07 | 岭南新科生态科技研究院（北京）有限公司 | The structure of the Rain Garden that a kind of trapezoidal gabion encloses and construction method thereof |
| CN108265580A (en) * | 2018-01-24 | 2018-07-10 | 河海大学 | A kind of the river channel ecology system and its construction method of cutting dirt-bank protection-water purification based on reuse of dredging |
| CN108905961A (en) * | 2018-07-23 | 2018-11-30 | 山东建筑大学 | A kind of restorative procedure in cadmium zinc pollution river |
| CN108905960A (en) * | 2018-07-23 | 2018-11-30 | 山东建筑大学 | A method of Cu-W ore deposit river is repaired using modified particles zeolite |
| CN108905960B (en) * | 2018-07-23 | 2021-05-18 | 山东建筑大学 | Method for repairing copper-polluted river channel by using modified granular zeolite |
| CN108905961B (en) * | 2018-07-23 | 2021-06-08 | 山东建筑大学 | Method for repairing cadmium-zinc polluted river channel |
| CN110668668A (en) * | 2019-09-10 | 2020-01-10 | 安徽三链生态环保有限公司 | Pollution degradation type ecological brick manufacturing process |
| CN110639942A (en) * | 2019-09-12 | 2020-01-03 | 中国电建集团江西省电力建设有限公司 | Ecological system and method for restoring polluted soil |
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