CN209429036U - A kind of ecological filter dam administered for small and medium river channel - Google Patents
A kind of ecological filter dam administered for small and medium river channel Download PDFInfo
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- CN209429036U CN209429036U CN201822005753.8U CN201822005753U CN209429036U CN 209429036 U CN209429036 U CN 209429036U CN 201822005753 U CN201822005753 U CN 201822005753U CN 209429036 U CN209429036 U CN 209429036U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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Abstract
The utility model provides a kind of ecological filter dam administered for small and medium river channel, the ecology filter dam includes drainage dam body, the drainage dam body is successively made of dam foundation seat and filter material layer from the bottom to top, impervious barrier is equipped between the dam foundation seat and the filter material layer, the two sides and rear end of the filter material layer are respectively equipped with water fender, and the upper end of filter material layer rear end water fender, which is equipped with, prolongs water plate；The number of plies of the filter material layer is 2 ~ 5 layers, is equipped with impervious barrier between the filter material layer, and the infiltration coefficient of the filter material layer is sequentially reduced from the bottom to top, and the filter material layer uses gabion box, is filled with biological filler material in the gabion box.Ecology filter dam provided by the utility model, compared with prior art, dam foundation seat, filter material layer, impervious barrier, water fender and prolong water plate be integrated member splicing structure, with good globality and stability, the service life is longer, stronger to the detergent power of polluted-water, and has good drop reoxygenation ability.
Description
Technical field
The utility model relates to medium or smallsized river field of environmental improvement more particularly to it is a kind of for small and medium river channel administer
Ecological filter dam.
Background technique
Due to pollution of area source caused by industrial wastewater, the random discharge of sanitary sewage and agrochemical, pesticide,
So that water quality of river is seriously disliked.The degeneration in river and the forfeiture of ecosystem function have become global environmental problem, about
River ecosystem is repaired or rebuilds, the research and time for restoring River Ecosystem Functions also increasingly receive international community
Pay much attention to and concern, river regulation are extremely urgent.
Ecological filter dam utilizes gravel, cobble or biologic packing material heap as the common technology measure in river controlling projects
It is built into dam body, upstream inpoundment function can be reached but also forms permeable space using the gap between filler in dam body, under enhancing
Trip drop reoxygenation function, and microorganism attachment base is formed using filler, utilize the degradation decomposing pollutant of microorganism.
But traditional generally existing dam body of ecological filter dam is unstable, is easy situations such as blocking, by seepage flow, sedimentation,
The influences such as stormy waves and rain drop erosion are easily deformed, are ruptured, and the purification of water quality of Traditional Ecological filter dam and drop reoxygenation energy
Power is poor.Therefore, that there is an urgent need to develop a kind of dam structures out is stable, is not easy to plug, and has both purification of water quality and drop reoxygenation
The ecological filter dam of function.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of ecological drainage administered for small and medium river channel
Dam, the ecology filter dam includes drainage dam body, and the drainage dam body is successively made of dam foundation seat and filter material layer from the bottom to top, institute
It states and is equipped with impervious barrier between dam foundation seat and the filter material layer, the two sides and rear end of the filter material layer are respectively equipped with water fender, described
The upper end of filter material layer rear end water fender, which is equipped with, prolongs water plate.
Wherein, the number of plies of the filter material layer is 2 ~ 5 layers.
Preferably, preferably 3 layers or 4 layers of the number of plies of the filter material layer.
Wherein, impervious barrier is equipped between the filter material layer.
Wherein, the infiltration coefficient of the filter material layer is sequentially reduced from the bottom to top.
Wherein: the filter material layer uses gabion box, is filled with biological filler material in the gabion box.
Wherein, the partial size for the biological filler material filled in the filter material layer is sequentially reduced from the bottom to top.
Wherein, the dam foundation seat is poured by armored concrete, and bar construction upwardly extends.
Wherein, the impervious barrier uses anti-seepage geotextile.
Wherein, the water fender uses PVC board.
Wherein, the water plate that prolongs is using PVC board.
The utility model has the beneficial effects that
The ecological filter dam provided by the utility model administered for small and medium river channel, has the advantage that
1, dam foundation seat is reinforced concrete structure, and filter material layer is gabion web frame, and gabion box in dam foundation seat by extending
The bar construction come is fixed, and considerably increases the stability of dam body, dam body can be effectively avoided by seepage flow, sedimentation, wind
The case where influences such as wave and rain drop erosion are easily deformed, are ruptured；
2, filter material layer uses 2 layers or more, and infiltration coefficient is sequentially reduced filter material layer from the bottom to top, can effectively alleviate dam
The silting of body extends the functional period of filter material layer, increases the service life of ecological filter dam；
3, the collecting space that impervious barrier, water fender are constituted can effectively extend residence time of the water body in filter material layer, increase
Add the contact area of polluted-water and filtrate, promotes ecological filter dam to the purification function of polluted-water；
4, the wall effect of flowing water can effectively be weakened by prolonging water plate, enhance the drop reoxygenation effect of dam body；
Compared with prior art, the entire dam body of ecological filter dam provided by the utility model is component assembly structure, tool
There are good globality and stability, the service life is longer, stronger to the detergent power of polluted-water, and has good drop
Reoxygenation ability.
Detailed description of the invention
It, below will be to needing attached drawing to be used in embodiment in order to illustrate more clearly of the technical solution of the utility model
It is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model, corresponds to this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the cross-sectional structure schematic diagram of ecological filter dam provided by the embodiment of the utility model；
Fig. 2 is the dam foundation seat bar construction schematic diagram of ecological filter dam provided by the embodiment of the utility model；
Fig. 3 is the gabion box planar structure schematic diagram of ecological filter dam provided by the embodiment of the utility model；
Fig. 4 is the gabion box vertical section structure schematic diagram of ecological filter dam provided by the embodiment of the utility model；
Fig. 5 is the water body flow direction structure schematic diagram of ecological filter dam provided by the embodiment of the utility model；
Title corresponding to appended drawing reference in attached drawing are as follows: 1- dam foundation seat, 2- impervious barrier, the first filter material layer of 3-, 4- second are filtered
The bed of material, 5- third filter material layer, 6- water fender, 7- prolong water plate.
Specific embodiment
It is preferred embodiments of the present invention below, it is noted that for those skilled in the art
For, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
It is considered as the protection scope of the utility model.
The utility model provides a kind of ecological filter dam administered for small and medium river channel, as shown in Figure 1, the ecology
Filter dam includes drainage dam body, and the drainage dam body is successively made of dam foundation seat 1 and filter material layer from the bottom to top, the filter material layer
The number of plies is 3 layers, is followed successively by the first filter material layer 3, the second filter material layer 4 and third filter material layer 5 from the bottom to top；The dam foundation seat 1 and institute
State between the first filter material layer 3 be equipped between impervious barrier 2, first filter material layer 3 and second filter material layer 4 be equipped with impervious barrier 2,
Impervious barrier 2 is equipped between second filter material layer 4 and the third filter material layer 5；First filter material layer 3, second filtrate
The two sides and rear end of layer 4 and the third filter material layer 5 are respectively equipped with water fender 6, and the upper end of filter material layer rear end water fender 6 is set
Have and prolongs water plate 7；The infiltration coefficient of first filter material layer 3 is k1, the infiltration coefficient of second filter material layer 4 is k2, the third
The infiltration coefficient of filter material layer 3 is k3, wherein k1 > k2 > k3。
Ecology filter dam provided by the utility model carries out the construction of dam foundation seat 1, such as Fig. 2 in the present embodiment first
Shown: the dam foundation seat 1 is poured by armored concrete, is divided into aerial part and under ground portion, aerial part height is under
Bit line of swiming is consistent, and bar construction, which upwardly extends, in the dam foundation seat 1 causes the above 100mm of upstream water line, is used for described first
The fixation of filter material layer 3, second filter material layer 4 and the third filter material layer 5.
Secondly the production of the first filter material layer 3, the second filter material layer 4 and third filter material layer 5 is carried out, as shown in Figure 3 and Figure 4:
The impervious barrier 2 being made of anti-seepage geotextile, length and width and first filter are set in the bottom of first filter material layer 3
The bottom surface length and width of the bed of material 3 are consistent, and water fender 6 is arranged in two sides and rear end, highly consistent with 3 height of the first filter material layer, simultaneously
In the rear end of first filter material layer 3, water plate 7 is prolonged in setting, and the length for prolonging water plate 7 is consistent with river width, and width is
100mm；First filter material layer 3 uses gabion box, and the water fender 6 and the water plate that prolongs are all made of PVC board；In the gabion
The biological filler material that is made of the gravel of 200 ~ 300mm of filling in net, length is consistent with river width, highly it is set as 200 ~
300mm, width are set as 2500mm, and in the present embodiment, the height of first filter material layer 3 is specifically configured to 300mm.
The impervious barrier 2 being made of anti-seepage geotextile, length and width and second filter are set in the bottom of second filter material layer 4
The bottom surface length and width of the bed of material 4 are consistent, and water fender 6 is arranged in two sides and rear end, highly consistent with 4 height of the second filter material layer, simultaneously
In the rear end of second filter material layer 4, water plate 7 is prolonged in setting, and 7 length of water plate of prolonging is consistent with river width, width 100mm；
Second filter material layer 4 uses gabion box, and the water fender 6 and the water plate that prolongs are all made of PVC board；It is filled out in the gabion box
The biological filler material being made of the gravel of 100 ~ 200mm is filled, length is consistent with river width, is highly set as 150 ~ 300mm, wide
It spends and is set as 2000mm, in the present embodiment, the height of second filter material layer 4 is specifically configured to 250mm.
The impervious barrier 2 being made of anti-seepage geotextile is set in the bottom of the third filter material layer 5, and length and width and the third are filtered
The bottom surface length and width of the bed of material 5 are consistent, and water fender 6 is arranged in two sides and rear end, highly consistent with 5 height of third filter material layer, simultaneously
In the rear end of the third filter material layer 5, water plate 7 is prolonged in setting, and 7 length of water plate of prolonging is consistent with river width, width 100mm；
The third filter material layer 5 uses gabion box, and the water fender 6 and the water plate that prolongs are all made of PVC board；It is filled out in the gabion box
The biological filler material being made of the haydite of 20mm and the gravel of 50 ~ 100mm is filled, length is consistent with river width, is highly set as
150 ~ 300mm, width are set as 1500mm, and in the present embodiment, the height of the third filter material layer 5 is specifically configured to 150mm.
The construction for finally carrying out the first filter material layer 3, the second filter material layer 4 and third filter material layer 5, will on the dam foundation seat 1
The front end of first filter material layer 3, second filter material layer 4 and the third filter material layer 5 is aligned, and successively stacks institute from the bottom to top
State the first filter material layer 3, second filter material layer 4 and the third filter material layer 5, and using upwardly extending in the dam foundation seat 1
Bar construction is fixed.
Ecology filter dam provided by the utility model, height, width and the number of plies of filter material layer can be according to water size and water
Position high flexible adjustment.Generally, height setting is no less than 150mm, and width setting is no less than 1500mm, and number of plies setting is not answered
Less than 2 layers.
Ecology filter dam provided by the utility model, water body flow to as shown in figure 5, water body and filter material layer can be effectively increased
Contact area and hydraulic detention time, increase dam body to the detergent power of polluted-water.
Above embodiments are to combine specific preferred embodiment further detailed description of the utility model, description
More specific and detailed, but it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that pair
For those skilled in the art, without departing from the concept of the premise utility, several deformations can also be made
And improvement, these are all to belong to the protection scope of the utility model.Therefore, the protection scope of the utility model patent should be with appended
Subject to claim.
Claims (10)
1. a kind of ecological filter dam administered for small and medium river channel, the ecology filter dam includes drainage dam body, and feature exists
In: the drainage dam body is successively made of dam foundation seat and filter material layer from the bottom to top, is set between the dam foundation seat and the filter material layer
There is impervious barrier, the two sides and rear end of the filter material layer are respectively equipped with water fender, and the upper end of filter material layer rear end water fender is equipped with
Prolong water plate.
2. a kind of ecological filter dam administered for small and medium river channel according to claim 1, it is characterised in that: the filter
The number of plies of the bed of material is 2 ~ 5 layers.
3. a kind of ecological filter dam administered for small and medium river channel according to claim 2, it is characterised in that: the filter
Impervious barrier is equipped between the bed of material.
4. a kind of ecological filter dam administered for small and medium river channel according to claim 2, it is characterised in that: the filter
The infiltration coefficient of the bed of material is sequentially reduced from the bottom to top.
5. a kind of ecological filter dam administered for small and medium river channel according to claim 2, it is characterised in that: the filter
The bed of material uses gabion box, is filled with biological filler material in the gabion box.
6. a kind of ecological filter dam administered for small and medium river channel according to claim 5, it is characterised in that: the filter
The partial size for the biological filler material filled in the bed of material is sequentially reduced from the bottom to top.
7. a kind of ecological drainage administered for small and medium river channel described in claim according to claim 1 ~ any one of 6
Dam, it is characterised in that: the dam foundation seat is poured by armored concrete, and bar construction upwardly extends.
8. a kind of ecological drainage administered for small and medium river channel described in claim according to claim 1 ~ any one of 6
Dam, it is characterised in that: the impervious barrier uses anti-seepage geotextile.
9. a kind of ecological drainage administered for small and medium river channel described in claim according to claim 1 ~ any one of 6
Dam, it is characterised in that: the water fender uses PVC board.
10. a kind of ecology filter administered for small and medium river channel described in claim according to claim 1 ~ any one of 6
Dam, it is characterised in that: the water plate that prolongs is using PVC board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822005753.8U CN209429036U (en) | 2018-12-03 | 2018-12-03 | A kind of ecological filter dam administered for small and medium river channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822005753.8U CN209429036U (en) | 2018-12-03 | 2018-12-03 | A kind of ecological filter dam administered for small and medium river channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209429036U true CN209429036U (en) | 2019-09-24 |
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ID=67970449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822005753.8U Active CN209429036U (en) | 2018-12-03 | 2018-12-03 | A kind of ecological filter dam administered for small and medium river channel |
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| Country | Link |
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| CN (1) | CN209429036U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371904A (en) * | 2018-12-03 | 2019-02-22 | 中国电建集团江西省电力建设有限公司 | A kind of ecological filter dam administered for small and medium river channel |
| CN110847116A (en) * | 2019-12-11 | 2020-02-28 | 浙江兴运生态修复技术服务有限公司 | Flexible permeable dam for intercepting and purifying pollutants in water |
-
2018
- 2018-12-03 CN CN201822005753.8U patent/CN209429036U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371904A (en) * | 2018-12-03 | 2019-02-22 | 中国电建集团江西省电力建设有限公司 | A kind of ecological filter dam administered for small and medium river channel |
| CN109371904B (en) * | 2018-12-03 | 2024-04-16 | 中国电建集团江西省电力建设有限公司 | Ecological filtering dam for treating medium and small river |
| CN110847116A (en) * | 2019-12-11 | 2020-02-28 | 浙江兴运生态修复技术服务有限公司 | Flexible permeable dam for intercepting and purifying pollutants in water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Yong Inventor after: Chen Shun Lu Inventor after: Yan Lu Inventor after: Yu Bingfei Inventor after: Jiang Yuanqing Inventor after: Zhou Xin Inventor after: Wang Yansong Inventor before: Song Yong Inventor before: Yan Lu Inventor before: Yu Bingfei Inventor before: Jiang Yuanqing Inventor before: Zhou Xin Inventor before: Wang Yansong |
|
| CB03 | Change of inventor or designer information |