CN105152348A - Anti-blocking baffling type percolation dam - Google Patents
Anti-blocking baffling type percolation dam Download PDFInfo
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- CN105152348A CN105152348A CN201510638775.6A CN201510638775A CN105152348A CN 105152348 A CN105152348 A CN 105152348A CN 201510638775 A CN201510638775 A CN 201510638775A CN 105152348 A CN105152348 A CN 105152348A
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention discloses an anti-blocking baffling type percolation dam which comprises a retaining dam body, a downstream percolation area, a partition wall, an upstream percolation area and a side wall. A water body in a river channel flows into the downstream percolation area through a water inlet inclined pipe arranged on the retaining dam body, then passes through a water passing hole in the bottom of the partition wall to flow into the upstream percolation area and flows out of the top of the upstream percolation area. The water inlet inclined pipe is adopted for water inputting, the upstream and downstream baffling mode is adopted in the percolation areas, emerging and sinking multi-element vegetable layers are adopted, and the dam has the advantages of being good in anti-blocking effect, high in filtering efficiency and good in purification and landscape effect.
Description
Technical field
The present invention relates to the technical field that river course environment is administered, be specifically related to a kind of anti-blocking deflector type diafiltration dam.
Background technology
Diafiltration dam is piled up mainly with concrete blocks, block stone, gravel etc. and is formed, it not only has the effect of interception water body, adjust flux, and filtered by filler and grow in filler microbial biochemical degraded comprehensive action there is certain water body purification ability, the application in river channel ecology improvement is day by day extensive.But due to the problem that the suspension contents such as river course ubiquity silt, inorganic or organic waste are higher, more easily there is blocking in conventional diafiltration dam; Again because water (flow) direction in conventional diafiltration dam, purification style are more single, purification of water quality is limited in one's ability, often needs to adopt multistage diafiltration dam just can obtain good decontamination effect improving.
Therefore, for the deficiencies in the prior art part, study a kind of blocking-proof result good, the diafiltration dam that purification of water quality ability is strong is very necessary.
Summary of the invention
The object of the invention is to avoid weak point of the prior art and provide a kind of blocking-proof result good, the anti-blocking deflector type diafiltration dam that purification of water quality ability is strong.
Object of the present invention is realized by following technical measures:
A kind of anti-blocking deflector type diafiltration dam, comprises retaining dam, also comprises the abutment wall being arranged on retaining dam downstream side, be provided with partition wall between retaining dam and abutment wall,
Form descending diafiltration district between retaining dam and partition wall, between partition wall and abutment wall, form up diafiltration district,
The first vegetable layer, the first gravel filling floor, the second gravel filling floor, the 3rd gravel filling floor and the 4th gravel filling floor is provided with in descending diafiltration district, first gravel filling layer and the second gravel filling layer are positioned at same layer, first vegetable layer is arranged on the first gravel filling layer and the second gravel filling layer, sets gradually the 3rd gravel filling layer and the 4th gravel filling layer under the first gravel filling layer and the second gravel filling layer;
The 5th gravel filling floor, the 6th gravel filling floor, the 7th gravel filling floor and the second vegetable layer is provided with from bottom to up in up diafiltration district,
Wherein establish water inlet inclined tube in the middle part of retaining dam dam body; Water hole is established bottom partition wall.
Retaining dam as above is cemented rock structure, and water inlet inclined tube adopts hexagon cellular inclined tube, and water side is higher than feed-water end.
The hexagon cellular aperture of water inlet inclined tube as above is 25 ~ 80mm, and water inlet inclined tube and water surface angle are 30 ° ~ 45 °.
First gravel filling layer as above is del or inverted trapezoidal, the first gravel filling layer one side and retaining dam downstream side adaptation, and covers the water side of water inlet inclined tube, and the side of the first gravel filling layer another side and the second gravel filling layer is adaptive.
The grain size of gravel of the first gravel filling layer as above is 40 ~ 60mm, and the grain size of gravel of the second gravel filling layer is 20 ~ 40mm, and the grain size of gravel of the 3rd gravel filling layer is 40 ~ 60mm; The grain size of gravel of the 4th gravel filling layer is 60 ~ 80mm; Planting plants in first vegetable layer is one in reed, iris, Canna generalis Bailey, calamus or arbitrary combination.
The grain size of gravel of the 5th gravel filling layer as above is 60 ~ 80mm, and the grain size of gravel of the 6th gravel filling layer is 40 ~ 60mm; The grain size of gravel of the 7th gravel filling layer is 20 ~ 40mm, and the second vegetable layer plant is one in eel grass, water caltrop, hornwort, watermifoil, black algae or arbitrary combination
Partition wall as above is cemented rock structure, and filling particle diameter in water hole is the gravel filling of 60 ~ 80mm.
Abutment wall as above is cemented rock structure, and height is lower than the downstream water surface.
Beneficial effect of the present invention is:
1, this diafiltration dam adopts the water inlet of water inlet inclined tube, and effectively can reduce the content of the suspended substances such as the silt in water inlet, reduce diafiltration district processing load, blocking-proof result is good.
2, diafiltration district adopts that baffling is up adds descending baffling mode, and filtration efficiency is high, and denitrification effect is good.
3, this diafiltration dam adopts very water to add the polynary vegetable layer of heavy water, purification and landscape effect good.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any limitation of the invention.
Fig. 1 is facade structures schematic diagram of the present invention;
Fig. 2 is retaining dam sectional schematic diagram of the present invention;
Fig. 3 is partition wall sectional schematic diagram of the present invention.
Wherein:
1-retaining dam; 2-is intake inclined tube; The descending diafiltration district of 3-; 4-first vegetable layer; 5-first gravel filling layer; 6-second gravel filling layer; 7-the 3rd gravel filling layer; 8-the 4th gravel filling layer; 9-partition wall; 10-water hole; The up diafiltration district of 11-; 12-the 5th gravel filling layer; 13-the 6th gravel filling layer; 14-the 7th gravel filling layer; 15-second vegetable layer; 16-abutment wall.
Embodiment
Below in conjunction with accompanying drawing and embodiment, technical scheme provided by the present invention is described in detail:
Embodiment 1:
A kind of anti-blocking deflector type diafiltration dam, comprises retaining dam 1, also comprises the abutment wall 16 being arranged on retaining dam 1 downstream side, be provided with partition wall 9 between retaining dam 1 and abutment wall 16,
Form descending diafiltration district 3 between retaining dam 1 and partition wall 9, between partition wall 9 and abutment wall 16, form up diafiltration district 11,
The first vegetable layer 4, first gravel filling floor 5, second gravel filling floor 6, the 3rd gravel filling floor 7 and the 4th gravel filling floor 8 is provided with in descending diafiltration district 3, first gravel filling layer 5 and the second gravel filling layer 6 are positioned at same layer, first vegetable layer 4 is arranged on the first gravel filling layer 5 and the second gravel filling layer 6, and the first gravel filling layer 5 and the second gravel filling layer set gradually the 3rd gravel filling layer 7 and the 4th gravel filling layer 8 for 6 times;
The 5th gravel filling floor 12, the 6th gravel filling floor 13, the 7th gravel filling floor 14 and the second vegetable layer 15 is provided with from bottom to up in up diafiltration district 11,
Wherein establish water inlet inclined tube 2 in the middle part of retaining dam 1 dam body; Water hole 10 is established bottom partition wall 9.
Preferably, retaining dam 1 is cemented rock structure, and water inlet inclined tube 2 adopts hexagon cellular inclined tube, and water side is higher than feed-water end.
Preferably, the hexagon cellular aperture of water inlet inclined tube 2 is 25 ~ 80mm, and water inlet inclined tube 2 is 30 ° ~ 45 ° with water surface angle.
Preferably, first gravel filling layer 5 is del or inverted trapezoidal, first gravel filling layer 5 one side and retaining dam 1 downstream side adaptation, and cover the water side of water inlet inclined tube 2, the side of the first gravel filling layer 5 another side and the second gravel filling layer 6 is adaptive.
Preferably, the grain size of gravel of the first gravel filling layer 5 is 40 ~ 60mm, and the grain size of gravel of the second gravel filling layer 6 is 20 ~ 40mm, and the grain size of gravel of the 3rd gravel filling layer 7 is 40 ~ 60mm; The grain size of gravel of the 4th gravel filling layer 8 is 60 ~ 80mm; Planting plants in first vegetable layer 4 is one in reed, iris, Canna generalis Bailey, calamus or arbitrary combination.
Preferably, the grain size of gravel of the 5th gravel filling layer 12 is 60 ~ 80mm, and the grain size of gravel of the 6th gravel filling layer 13 is 40 ~ 60mm; The grain size of gravel of the 7th gravel filling layer 14 is 20 ~ 40mm, and the second vegetable layer 15 plant is one in eel grass, water caltrop, hornwort, watermifoil, black algae or arbitrary combination
Preferably, partition wall 9 is cemented rock structure, and filling particle diameter in water hole 10 is the gravel filling of 60 ~ 80mm.
Preferably, abutment wall 16 is cemented rock structure, and height is lower than the downstream water surface.
Embodiment 2
As shown in FIG. 1 to 3, a kind of anti-blocking deflector type diafiltration dam, comprises retaining dam 1, descending diafiltration district 3, partition wall 9, up diafiltration district 11, abutment wall 16.Form descending diafiltration district 3 between retaining dam 1 and partition wall 9, between partition wall 9 and abutment wall 16, form up diafiltration district 11.
Wherein establish water inlet inclined tube 2 in the middle part of retaining dam 1 dam body; The first vegetable layer 4, first gravel filling floor 5, second gravel filling floor 6, the 3rd gravel filling floor 7, the 4th gravel filling floor 8 is provided with in descending diafiltration district 3, first gravel filling layer 5 and the second gravel filling layer 6 are positioned at same layer, first vegetable layer 4 is arranged on the first gravel filling layer 5 and the second gravel filling layer 6, and the first gravel filling layer 5 and the second gravel filling layer set gradually the 3rd gravel filling layer 7 and the 4th gravel filling layer 8 for 6 times; Water hole 10 is established bottom partition wall 9; The 5th gravel filling floor 12, the 6th gravel filling floor 13, the 7th gravel filling floor 14, second vegetable layer 15 is provided with from bottom to up in up diafiltration district 11.
River water body flows into descending diafiltration district 3 by the water inlet inclined tube 2 be located on retaining dam 1, after flow into up diafiltration district 11 through the water hole 10 bottom partition wall 9, flowed out by top, up diafiltration district 11.
Further, retaining dam 1 is highly 1.8m, and width is 3.5m, and top thickness is 0.8m, and bottom thickness is 1.8m, cemented rock structure.
Further, water inlet inclined tube 2 adopts UPVC hexagon cellular inclined tube, and water inlet inclined tube 2 arranges 2 groups, often organizing cross dimensions is wide × height=1.3m × 0.5m, water inlet inclined tube feed-water end is than 0.3m high bottom retaining dam, and in inclined tube, hexagon cellular aperture is 40mm, and water inlet inclined tube 2 is 30 ° with water surface angle.
Further, the first vegetable layer 4 planting plants is Canna generalis Bailey, and planting density is 16 strains/m
2.
Further, the first gravel filling layer 5 covers water inlet inclined tube 2 water side, and thickness (highly) is 0.5m, and grain size of gravel is 40 ~ 50mm.
Further, first gravel filling layer 5 is del or inverted trapezoidal, and the side of the first gravel filling layer 5 one side and water surface side, retaining dam 1 downstream is adaptive, and covers the water side of water inlet inclined tube 2, the side of first another side of gravel filling layer 5 and the second gravel filling layer 6 is adaptive
Further, the second gravel filling layer 6, the 3rd gravel filling layer 7, the 4th gravel filling layer 8 thickness are 0.5m, and wherein the grain size of gravel of the second gravel filling layer 6 is 20 ~ 30mm, and the grain size of gravel of the 3rd gravel filling layer 7 is 40 ~ 50mm; The grain size of gravel of the 4th gravel filling layer 8 is 60 ~ 70mm.
Further, partition wall 9 is highly 1.7m, and width is 3.5m, and thickness is 0.5m, cemented rock structure; Establish 3 water holes 10 bottom it, water hole 10 is of a size of height × wide × thick=0.4m × 0.6m × 0.5m, and filling particle diameter in hole is the gravel filling of 60 ~ 70mm.
Further, the 5th gravel filling layer 12 thickness is 0.4m, and grain size of gravel is 60 ~ 70mm; 6th gravel filling layer 13 thickness is 0.4m, and grain size of gravel is 40 ~ 50mm; 7th gravel filling layer 14 thickness is 0.3m, and grain size of gravel is 20 ~ 30mm.
Further, the second vegetable layer 15 planting plants is watermifoil, and planting density is 25 strains/m
2.
Further, abutment wall 16 is highly 1.2m, and width is 3.5m, and top thickness is 0.5m, and bottom thickness is 1m, cemented rock structure.
The present embodiment is located in the wide river course of a 3.5m, and the present embodiment builds up rear diafiltration dam upstream depth of water 1.6m, downstream water depth 1.4m.This enforcement operation is since 3 months, and diafiltration dam current are unobstructed, plant grew well, purification of water quality stabilised efficiency, obvious to suspended substance treatment effect, and following table is for adopting the present embodiment river water quality monitoring result:
Embodiment 3
Embodiment 3 is with the difference of embodiment 2:
Retaining dam 1 is highly 1.6m, and width is 3.2m, and top thickness is 0.7m, and bottom thickness is 1.7m; Water inlet inclined tube 2 adopts UPVC hexagon cellular inclined tube, water inlet inclined tube 2 arranges 2 groups, and often organizing cross dimensions is wide × height=1m × 0.5m, and water inlet inclined tube feed-water end is than 0.3m high bottom retaining dam, in inclined tube, hexagon cellular aperture is 50mm, and water inlet inclined tube 2 is 40 ° with water surface angle; First vegetable layer 4 planting plants is calamus, and planting density is 25 strains/m
2; First gravel filling layer 5 covers water inlet inclined tube 2 water side, and thickness (highly) is 0.4m, and grain size of gravel is 50 ~ 60mm; Second gravel filling layer 6, the 3rd gravel filling layer 7, the 4th gravel filling layer 8 thickness are 0.4m, and wherein the grain size of gravel of the second gravel filling layer 6 is 30 ~ 40mm, and the grain size of gravel of the 3rd gravel filling layer 7 is 50 ~ 60mm; The grain size of gravel of the 4th gravel filling layer 8 is 70 ~ 80mm; Partition wall 9 is highly 1.3m, and width is 3.2m, and thickness is 0.5m, establishes 3 water holes 10 bottom it, and water hole 10 is of a size of height × wide × thick=0.3m × 0.6m × 0.5m, and filling particle diameter in hole is the gravel filling of 70 ~ 80mm; 5th gravel filling layer 12 thickness is 0.3m, and grain size of gravel is 70 ~ 80mm; 6th gravel filling layer 13 thickness is 0.3m, and grain size of gravel is 50 ~ 60mm; 7th gravel filling layer 14 thickness is 0.3m, and grain size of gravel is 30 ~ 40mm; Second vegetable layer 15 planting plants is water caltrop, and planting density is 25 strains/m
2; Abutment wall 16 is highly 1.0m, and width is 3.2m, and top thickness is 0.5m, and bottom thickness is 1m.Other are consistent with embodiment 2.
The present embodiment is located in the wide river course of a 3.2m, and the present embodiment builds up rear diafiltration dam upstream depth of water 1.6m, downstream water depth 1.4m.This enforcement operation is since 2 months, and diafiltration dam current are unobstructed, plant grew well, purification of water quality stabilised efficiency, obvious to suspended substance treatment effect, and following table is for adopting the present embodiment river water quality monitoring result:
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although be explained in detail the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.
Claims (8)
1. an anti-blocking deflector type diafiltration dam, comprise retaining dam (1), it is characterized in that, also comprise the abutment wall (16) being arranged on retaining dam (1) downstream side, partition wall (9) is provided with between retaining dam (1) and abutment wall (16)
Form descending diafiltration district (3) between retaining dam (1) and partition wall (9), between partition wall (9) and abutment wall (16), form up diafiltration district (11),
The first vegetable layer (4) is provided with in descending diafiltration district (3), first gravel filling layer (5), second gravel filling layer (6), 3rd gravel filling layer (7) and the 4th gravel filling layer (8), first gravel filling layer (5) and the second gravel filling layer (6) are positioned at same layer, first vegetable layer (4) is arranged on the first gravel filling layer (5) and the second gravel filling layer (6), the 3rd gravel filling layer (7) and the 4th gravel filling layer (8) is set gradually under first gravel filling layer (5) and the second gravel filling layer (6),
The 5th gravel filling floor (12), the 6th gravel filling floor (13), the 7th gravel filling floor (14) and the second vegetable layer (15) is provided with from bottom to up in up diafiltration district (11),
Wherein establish water inlet inclined tube (2) in the middle part of retaining dam (1) dam body; Water hole (10) is established in partition wall (9) bottom.
2. one according to claim 1 anti-blocking deflector type diafiltration dam, is characterized in that, described retaining dam (1) is cemented rock structure, and water inlet inclined tube (2) adopts hexagon cellular inclined tube, and water side is higher than feed-water end.
3. one according to claim 2 anti-blocking deflector type diafiltration dam, is characterized in that, the hexagon cellular aperture of described water inlet inclined tube (2) is 25 ~ 80mm, and water inlet inclined tube (2) and water surface angle are 30 ° ~ 45 °.
4. one according to claim 1 anti-blocking deflector type diafiltration dam, it is characterized in that, the first described gravel filling layer (5) is del or inverted trapezoidal, first gravel filling layer (5) side and retaining dam (1) downstream side adaptation, and covering the water side of water inlet inclined tube (2), the side of the first gravel filling layer (5) another side and the second gravel filling layer (6) is adaptive.
5. one according to claim 1 anti-blocking deflector type diafiltration dam, it is characterized in that, the grain size of gravel of the first described gravel filling layer (5) is 40 ~ 60mm, the grain size of gravel of the second gravel filling layer (6) is 20 ~ 40mm, and the grain size of gravel of the 3rd gravel filling layer (7) is 40 ~ 60mm; The grain size of gravel of the 4th gravel filling layer (8) is 60 ~ 80mm; Planting plants in first vegetable layer (4) is one in reed, iris, Canna generalis Bailey, calamus or arbitrary combination.
6. one according to claim 1 anti-blocking deflector type diafiltration dam, is characterized in that, the grain size of gravel of the 5th described gravel filling layer (12) is 60 ~ 80mm, and the grain size of gravel of the 6th gravel filling layer (13) is 40 ~ 60mm; The grain size of gravel of the 7th gravel filling layer (14) is 20 ~ 40mm, and the second vegetable layer (15) plant is one in eel grass, water caltrop, hornwort, watermifoil, black algae or arbitrary combination.
7. one according to claim 1 anti-blocking deflector type diafiltration dam, is characterized in that, described partition wall (9) is cemented rock structure, and filling particle diameter in water hole (10) is the gravel filling of 60 ~ 80mm.
8. one according to claim 1 anti-blocking deflector type diafiltration dam, is characterized in that, described abutment wall (16) is cemented rock structure, and height is lower than the downstream water surface.
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| CN201510638775.6A CN105152348B (en) | 2015-09-30 | 2015-09-30 | A kind of anti-blocking deflector type diafiltration dam |
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| CN201510638775.6A CN105152348B (en) | 2015-09-30 | 2015-09-30 | A kind of anti-blocking deflector type diafiltration dam |
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| CN105152348B CN105152348B (en) | 2017-09-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869079A (en) * | 2017-04-01 | 2017-06-20 | 王寿兵 | A kind of water course in situ purification and water storage system |
| CN109264929A (en) * | 2018-10-23 | 2019-01-25 | 江苏大学 | The non-navigation urban river water comprehensive environmental improvement system of one kind and application method |
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| CN109264929A (en) * | 2018-10-23 | 2019-01-25 | 江苏大学 | The non-navigation urban river water comprehensive environmental improvement system of one kind and application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105152348B (en) | 2017-09-19 |
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