CN215049505U - Ecological permeable dam for restoring lake/reservoir non-point source pollution - Google Patents
Ecological permeable dam for restoring lake/reservoir non-point source pollution Download PDFInfo
- Publication number
- CN215049505U CN215049505U CN202120865144.9U CN202120865144U CN215049505U CN 215049505 U CN215049505 U CN 215049505U CN 202120865144 U CN202120865144 U CN 202120865144U CN 215049505 U CN215049505 U CN 215049505U
- Authority
- CN
- China
- Prior art keywords
- ecological
- dam
- filter material
- layer
- lake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an ecological permeable dam of lake storehouse non-point source pollution remediation, including ecological permeable dam basis, filter material dam body, the domatic geotechnological cloth in upper reaches, the domatic ecological pad in upper reaches, the ecological pad in dam crest, the domatic inverted filter in low reaches, the domatic ecological pad in low reaches and aquatic plant. The ecological permeable dam is trapezoidal, is built at a proper position after polluted water enters a lake (reservoir) to form a preposed reservoir, the upstream incoming water retention time is prolonged, and pollutants in the water are reduced under the actions of physical filtration, natural degradation, aquatic plant absorption and microbial degradation, so that the water quality is purified. The utility model is characterized in that: when the suspended matters are accumulated more, the geotextile and the ecological cushion on the upstream slope surface can be cleaned or replaced, and the maintenance and the management are convenient; the full section of the dam body is the ecological filter material, so that the treatment effect on the surface source pollution is enhanced; the ecological dam has simple structure, convenient construction and less investment.
Description
Technical Field
The utility model relates to a water pollution remediation field specifically is a lake/reservoir non-point source pollution restores ecological permeable dam.
Background
Non-point source pollution mainly comprises soil silt particles, nutrient substances such as nitrogen and phosphorus, pesticides, various atmospheric particulates and the like, and is converged into receiving water bodies (including rivers, lakes, reservoirs, gulfs and the like) in the modes of surface runoff, soil erosion, farmland drainage and the like under the scouring action of rainfall or snow melting, so that organic pollution, water eutrophication, toxicity, harm and other forms of pollution are caused. According to statistics, the non-point source pollution accounts for 2/3 of the total pollution amount, and the problem is increasingly highlighted. The non-point source pollution has the characteristics of concealment, hysteresis, dispersion, uncertainty and the like, and is greatly influenced by various natural or artificial factors such as rainfall, terrain, land utilization, agricultural production modes and the like, so that the non-point source pollution is difficult to treat. At present, few effective treatment means are provided, and the development of related researches for seeking a method for solving non-point source pollution treatment is particularly necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the defect that exists among the prior art, and provide a lake/reservoir non-point source pollution restores ecological permeable dam for keep apart the water suspended solid, the reinforcing is to the treatment effect of water non-point source pollution.
Realize the utility model discloses the technical scheme of purpose is:
the utility model provides a lake/reservoir non-point source pollution restores ecological permeable dam, includes ecological permeable dam basis, lays filter material dam body, geotechnological cloth, inverted filter and the ecological pad on ecological permeable dam basis, wherein:
the ecological permeable dam foundation is characterized in that a dam foundation gravel layer is filled at the bottom of a lake/reservoir, and the upper and lower dam feet are respectively protected by gabion nets;
the filter material dam body is trapezoidal, the slope of the upstream side and the downstream side is more than or equal to 1:1.5, the filter material dam body is filled on a dam foundation sand gravel layer in three layers from bottom to top and from coarse to fine, and the filter material on the upper layer is higher than the water surface on the upstream side;
the geotextile is laid on the upstream slope of the filter material dam body;
the reverse filter layer is laid on the downstream slope surface of the filter material dam body;
the ecological cushion is laid on the filter material dam body.
Furthermore, the filter material dam body is divided into three layers from bottom to top on average, wherein the lowest layer is a coarse filter material layer (the particle size is 20-40 mm), the middle layer is a medium coarse filter material layer (the particle size is 10-20 mm), and the upper layer is a fine filter material layer (the particle size is 4-8 mm).
Furthermore, the upper layer of filter material of the filter material dam body is 200-300mm higher than the upstream water surface.
Furthermore, ecological pad is formed by laying in proper order the ecological bag that is filled with the filter material, and the filter material particle diameter is 4 ~ 8mm, and aquatic plant is planted to ecological pad surface trompil.
Still further, the ecological mat includes:
laying an upstream slope ecological cushion on the upstream slope;
the dam top ecological cushion is laid on the top surface of the filter material dam body;
laying a downstream slope ecological cushion on a downstream slope.
Furthermore, the grain size of the filter material filled in the reverse filter layer of the downstream slope surface is 20-40 mm.
The utility model discloses a theory of operation is: the ecological permeable dam is built at a proper position after the polluted water enters the lake (reservoir) to form a preposed reservoir, the upstream incoming water retention time is prolonged, and pollutants in the water are reduced under the actions of physical filtration, natural degradation, aquatic plant absorption and microbial degradation, so that the water quality is purified.
The utility model has the advantages that: 1. the geotextile and the ecological cushion are laid on the upstream slope surface, so that suspended matters can be effectively isolated, the geotextile and the ecological cushion can be cleaned or replaced when the suspended matters are accumulated more, the maintenance and the management are convenient, and the effective service life of the ecological permeable dam is prolonged; 2. the full section of the dam body is the ecological filter material, so that the treatment effect on the surface source pollution is enhanced; 3. the ecological dam has simple structure, convenient construction and less investment.
Drawings
Fig. 1 is a plan view of an embodiment of the present invention.
FIG. 2 is a cross-sectional view of FIG. 1
In the figure: 1. upstream gabion mesh protection feet 2, foundation sand gravel 3 and downstream gabion mesh protection feet
4. The ecological bed comprises a coarse filter material layer 5, a middle coarse filter material layer 6, a fine filter material layer 7, geotextile 8, a reverse filter layer 9, an upstream slope ecological cushion 10, a dam crest ecological cushion 11, a downstream slope ecological cushion 12 and aquatic plants.
Detailed Description
The following are merely preferred embodiments of the invention and are not intended to limit the invention in any way.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1 and 2, the ecological permeable dam for restoring non-point source pollution of lake (reservoir) comprises an ecological permeable dam foundation, a filter material dam body, an upstream slope geotextile, an upstream slope ecological pad, a dam crest ecological pad, a downstream slope inverted filter layer, a downstream slope ecological pad and aquatic plants. The dam foundation is a soft layer for removing sludge and a soft layer of the original foundation, the dam feet are respectively protected by an upstream gabion mesh protection foot 1 and a downstream gabion mesh protection foot 3, foundation sand gravel 2 is filled in the middle, and the surface is leveled. And a filter material dam body is filled on the foundation sand gravel 2, the filter material dam body is trapezoidal, and the slope of the upstream side and the slope of the downstream side are more than or equal to 1:1.5 (the slope stability requirement is met through calculation). The filter material dam body is divided into three layers from bottom to top on average, wherein the lowest layer is a coarse filter material layer 4 (the particle size is 20-40 mm), the middle layer is a middle coarse filter material layer 5 (the particle size is 10-20 mm), and the upper layer is a fine filter material layer 6 (the particle size is 4-8 mm). The surface of the upper fine filter material layer is 200-300mm higher than the upstream water surface. After the filter material dam body is filled, a reverse filter layer 8 (the material and the particle size are the same as those of the coarse filter material layer 4) is filled on the downstream slope surface, and a layer of geotextile 7 is laid on the upstream slope surface. After the geotextile 7 and the inverted filter layer 8 are laid, an upstream slope ecological cushion 9, a dam crest ecological cushion 10 and a downstream slope ecological cushion 11 are laid. The ecological cushion is filled with filter material in the ecological bag, and the filter material can be the same as the fine filter material layer 6. The surface of the ecological mat is provided with holes for planting aquatic plants 12.
The foregoing examples of the present invention are for illustrative purposes only and are not intended to limit the present invention in any particular form, and all simple modifications, equivalent variations and modifications made by the technical spirit of the present invention to the above embodiments are within the scope of the present invention.
Claims (6)
1. The utility model provides a lake/reservoir non-point source pollution restores ecological permeable dam, characterized by: including ecological permeable dam basis, lay filter material dam body, geotechnological cloth, inverted filter and the ecological pad on ecological permeable dam basis, wherein:
the ecological permeable dam foundation is characterized in that a dam foundation gravel layer is filled at the bottom of a lake/reservoir, and the upper and lower dam feet are respectively protected by gabion nets;
the filter material dam body is trapezoidal, the slope of the upstream side and the downstream side is more than or equal to 1:1.5, the filter material dam body is filled on a dam foundation sand gravel layer in three layers from bottom to top and from coarse to fine, and the filter material on the upper layer is higher than the water surface on the upstream side;
the geotextile is laid on the upstream slope of the filter material dam body;
the reverse filter layer is laid on the downstream slope surface of the filter material dam body;
the ecological cushion is laid on the filter material dam body.
2. The lake/reservoir non-point source pollution restoration ecological permeable dam of claim 1, which is characterized in that: the filter material dam body is averagely divided into three layers from bottom to top, the lowest layer is a coarse filter material layer, and the particle size is 20-40 mm; the middle layer is a medium coarse filter material layer with the particle size of 10-20 mm; the upper layer is a fine filter material layer with the particle size of 4-8 mm.
3. The lake/reservoir non-point source pollution restoration ecological permeable dam of claim 2, which is characterized in that: the upper-layer filter material of the filter material dam body is 200-300mm higher than the upstream water surface.
4. The lake/reservoir non-point source pollution restoration ecological permeable dam of claim 1, which is characterized in that: the ecological cushion is formed by laying ecological bags filled with filter materials in sequence, the particle size of the filter materials is 4-8 mm, and aquatic plants are planted in holes formed in the surface of the ecological cushion.
5. The lake/reservoir non-point source pollution restoration ecological permeable dam of claim 1, which is characterized in that: the ecological pad includes:
laying an upstream slope ecological cushion on the upstream slope;
the dam top ecological cushion is laid on the top surface of the filter material dam body;
laying a downstream slope ecological cushion on a downstream slope.
6. The lake/reservoir non-point source pollution restoration ecological permeable dam of claim 1, which is characterized in that: the particle size of the filter material filled in the reverse filter layer of the downstream slope surface is 20-40 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120865144.9U CN215049505U (en) | 2021-04-26 | 2021-04-26 | Ecological permeable dam for restoring lake/reservoir non-point source pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120865144.9U CN215049505U (en) | 2021-04-26 | 2021-04-26 | Ecological permeable dam for restoring lake/reservoir non-point source pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215049505U true CN215049505U (en) | 2021-12-07 |
Family
ID=79109403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120865144.9U Active CN215049505U (en) | 2021-04-26 | 2021-04-26 | Ecological permeable dam for restoring lake/reservoir non-point source pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215049505U (en) |
-
2021
- 2021-04-26 CN CN202120865144.9U patent/CN215049505U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8287728B2 (en) | Elevated swale for treatment of contaminated stormwater | |
| CN103215920B (en) | Sectored multi-step ecological buffer revetment system | |
| US20220056684A1 (en) | Regenerative stormwater conveyance system and method | |
| US6379543B1 (en) | Water treatment system | |
| CN103821218A (en) | Initial rainwater and mixed rain-sewage overflow water impounding sewage facility | |
| CN211080099U (en) | Ecological river bank protection | |
| CN109399800B (en) | River and lake runoff pollution cascade control system | |
| CN104773835A (en) | Irritation district rice field periphery fixed point drainage wetland construction system | |
| CN215756905U (en) | Ecological interception system for purifying sewage | |
| CN113402120A (en) | Ecological interception system of agricultural non-point source pollution | |
| CN213038317U (en) | Agricultural non-point source and surface runoff initial rainwater regulation and storage sewage interception ecological zone | |
| CN215049505U (en) | Ecological permeable dam for restoring lake/reservoir non-point source pollution | |
| CN215049504U (en) | Ecological permeable dam for restoring non-point source pollution of river channel | |
| CN107902842A (en) | A kind of ecological purification band in situ of multibank capability | |
| CN111441313A (en) | Agricultural non-point source and surface runoff initial rainwater regulation and storage sewage interception ecological zone | |
| CN206646448U (en) | It is a kind of to subtract dirty Riparian Zone suitable for rural area | |
| CN209882711U (en) | Landscape design's plant buffering area structure | |
| KR20140002867A (en) | River bank proteciton method having water-purifying function | |
| CN113354093A (en) | River channel restoration method by coupling ecological revetment and aquatic plants | |
| CN109338991B (en) | Ecological revetment with bank side non-point source pollution purification function | |
| CN112281749A (en) | Hold ecological system that holds of infiltration formula purification bank slope surface runoff | |
| CN219792687U (en) | Ecological island suitable for river and lake pollution bottom mud in-situ remediation | |
| CN220685939U (en) | Ecological revetment system of shore water | |
| CN111827203A (en) | Variable-seepage-diameter ecological bank protection and surface runoff purification method by using ecological concrete | |
| CN112047481A (en) | River channel artificial wetland |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 541199 room 1210 and 1212, 12 / F, building T6, Feiyang international, intersection of Xicheng Avenue and Century Avenue, Lingui Town, Guilin City, Guangxi Zhuang Autonomous Region Patentee after: Hengsheng water environment treatment Co.,Ltd. Address before: 541199 room 1210 and 1212, 12 / F, building T6, Feiyang international, intersection of Xicheng Avenue and Century Avenue, Lingui Town, Guilin City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI HENGSHENG WATER ENVIRONMENT MANAGEMENT CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |