CN109371904A - 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
- Publication number
- CN109371904A CN109371904A CN201811462109.1A CN201811462109A CN109371904A CN 109371904 A CN109371904 A CN 109371904A CN 201811462109 A CN201811462109 A CN 201811462109A CN 109371904 A CN109371904 A CN 109371904A
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- China
- Prior art keywords
- dam
- filter
- material layer
- filter material
- administered
- 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.)
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Links
- 239000000463 material Substances 0.000 claims abstract description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000004888 barrier function Effects 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims abstract description 10
- 230000008595 infiltration Effects 0.000 claims abstract description 7
- 238000001764 infiltration Methods 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 8
- 239000004746 geotextile Substances 0.000 claims description 5
- 239000004567 concrete Substances 0.000 claims description 3
- 239000003599 detergent Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- 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
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Revetment (AREA)
Abstract
The present invention provides a kind of ecological filter dams 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 invention, 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 present invention relates to medium or smallsized river field of environmental improvement more particularly to a kind of ecologies administered for small and medium river channel
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 present invention provides a kind of ecological filter dam administered for small and medium river channel, institute
Stating ecological 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, the dam
Impervious barrier is equipped between pedestal and the filter material layer, the two sides and rear end of the filter material layer are respectively equipped with water fender, the filtrate
The upper end of 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.
Beneficial effects of the present invention:
Provided by the present invention for the ecological filter dam that small and medium river channel is administered, have the advantage that
1, dam foundation seat is reinforced concrete structure, filter material layer is gabion web frame, and gabion box is by extending out in dam foundation seat
Bar construction is fixed, and the stability of dam body is considerably increased, can be effectively avoided dam body by seepage flow, sedimentation, stormy waves and
The case where influences such as 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 the silt of dam body
It is stifled, extend 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 dirty
The contact area of water body and filtrate is contaminated, 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 invention is component assembly structure, is had good
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 simple to needing attached drawing to be used to make in embodiment in order to illustrate more clearly of technical solution of the present invention
Singly introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, corresponds to the general of this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the cross-sectional structure schematic diagram of ecological filter dam provided in an embodiment of the present invention；
Fig. 2 is the dam foundation seat bar construction schematic diagram of ecological filter dam provided in an embodiment of the present invention；
Fig. 3 is the gabion box planar structure schematic diagram of ecological filter dam provided in an embodiment of the present invention；
Fig. 4 is the gabion box vertical section structure schematic diagram of ecological filter dam provided in an embodiment of the present invention；
Fig. 5 is the water body flow direction structure schematic diagram of ecological filter dam provided in an embodiment of the present invention；
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-, the second filter material layer of 4-,
5- third filter material layer, 6- water fender, 7- prolong water plate.
Specific embodiment
It is the preferred embodiment of the present invention below, it is noted that for those skilled in the art,
Various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as this hair
Bright protection scope.
The present invention provides a kind of ecological filter dams administered for small and medium river channel, as shown in Figure 1, the ecology drainage
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 number of plies of the filter material layer
It 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 described
It is equipped between impervious barrier 2, first filter material layer 3 and second filter material layer 4 between one filter material layer 3 and is equipped with impervious barrier 2, described
Impervious barrier 2 is equipped between second filter material layer 4 and the third filter material layer 5；First filter material layer 3,4 and of the second filter material layer
The two sides and rear end of 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, which is equipped with, 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 filtrate
The infiltration coefficient of layer 3 is k3, wherein k1 > k2 > k3。
Ecology filter dam provided by the invention carries out the construction of dam foundation seat 1, such as Fig. 2 institute in the present embodiment first
Show: the dam foundation seat 1 is poured by armored concrete, is divided into aerial part and under ground portion, aerial part height and downstream
Water level line is consistent, and bar construction, which upwardly extends, in the dam foundation seat 1 causes the above 100mm of upstream water line, for first filter
The fixation of the bed of material 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 material layer are set in the bottom of first filter material layer 3
3 bottom surface length and width 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, while in institute
Water plate 7 is prolonged in the rear end setting for stating the first filter material layer 3, and the length for prolonging water plate 7 is consistent with river width, width 100mm；Institute
The first filter material layer 3 is stated using gabion box, the water fender 6 and the water plate that prolongs are all made of PVC board；It is filled in the gabion box
The biological filler material being made of the gravel of 200 ~ 300mm, length is consistent with river width, is highly set as 200 ~ 300mm, width
It is set as 2500mm, 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 invention, height, width and the number of plies of filter material layer can be high according to water size and water level
Degree is adjusted flexibly.Generally, height setting is no less than 150mm, and width setting is no less than 1500mm, and number of plies setting is no less than
2 layers.
Ecology filter dam provided by the invention, water body flow direction is as shown in figure 5, connecing for water body and filter material layer can be effectively increased
Contacting surface product and hydraulic detention time increase dam body to the detergent power of polluted-water.
Above embodiments are that further detailed description of the invention in conjunction with specific preferred embodiment, and description is more
Specific and detailed, but it cannot be understood as limitations on the scope of the patent of the present invention.It should be pointed out that for this field
Those of ordinary skill for, without departing from the inventive concept of the premise, various modifications and improvements can be made, these are all
It is to belong to the scope of protection of the present invention.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
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 |
|---|---|---|---|
| CN201811462109.1A CN109371904B (en) | 2018-12-03 | 2018-12-03 | Ecological filtering dam for treating medium and small river |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462109.1A CN109371904B (en) | 2018-12-03 | 2018-12-03 | Ecological filtering dam for treating medium and small river |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109371904A true CN109371904A (en) | 2019-02-22 |
| CN109371904B CN109371904B (en) | 2024-04-16 |
Family
ID=65375147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811462109.1A Active CN109371904B (en) | 2018-12-03 | 2018-12-03 | Ecological filtering dam for treating medium and small river |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109371904B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007144343A (en) * | 2005-11-29 | 2007-06-14 | Mitsuru Takasaki | Water treatment method and apparatus for river |
| CN201224693Y (en) * | 2007-12-28 | 2009-04-22 | 钟成华 | Compound wave type stream artificial mountain wetland sewage treatment system |
| CN105502822A (en) * | 2015-12-21 | 2016-04-20 | 南京领先环保技术股份有限公司 | Drop-aeration water treatment system |
| CN206318777U (en) * | 2016-12-29 | 2017-07-11 | 北京东方园林环境股份有限公司 | A kind of waterway system structure for water body purification and ecological recovery |
| CN108467103A (en) * | 2018-05-30 | 2018-08-31 | 长沙理工大学 | A kind of drop board group part and drop oxygenation and contact oxidation ecological canal |
| CN209429036U (en) * | 2018-12-03 | 2019-09-24 | 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 |
-
2018
- 2018-12-03 CN CN201811462109.1A patent/CN109371904B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007144343A (en) * | 2005-11-29 | 2007-06-14 | Mitsuru Takasaki | Water treatment method and apparatus for river |
| CN201224693Y (en) * | 2007-12-28 | 2009-04-22 | 钟成华 | Compound wave type stream artificial mountain wetland sewage treatment system |
| CN105502822A (en) * | 2015-12-21 | 2016-04-20 | 南京领先环保技术股份有限公司 | Drop-aeration water treatment system |
| CN206318777U (en) * | 2016-12-29 | 2017-07-11 | 北京东方园林环境股份有限公司 | A kind of waterway system structure for water body purification and ecological recovery |
| CN108467103A (en) * | 2018-05-30 | 2018-08-31 | 长沙理工大学 | A kind of drop board group part and drop oxygenation and contact oxidation ecological canal |
| CN209429036U (en) * | 2018-12-03 | 2019-09-24 | 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 |
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| Publication number | Publication date |
|---|---|
| CN109371904B (en) | 2024-04-16 |
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