CN106592535A - Roundabout type ecological purification channel applicable to big scenic site - Google Patents
Roundabout type ecological purification channel applicable to big scenic site Download PDFInfo
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- CN106592535A CN106592535A CN201611216951.8A CN201611216951A CN106592535A CN 106592535 A CN106592535 A CN 106592535A CN 201611216951 A CN201611216951 A CN 201611216951A CN 106592535 A CN106592535 A CN 106592535A
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- channel
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- water
- water drainage
- groynes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a roundabout type ecological purification channel applicable to a big scenic site. The purification channel is provided with a water inlet (17) and a water outlet (18). The purification channel is characterized in that the purification channel is annular; a flood drainage channel (14) is formed between the water inlet (17) and the water outlet (18); a diversion wall (16) is arranged in the center of the flood drainage channel (14) in the water running direction; flood drainage gates (15) are arranged on the flood drainage channel (14) sections at the upstream and the downstream of the diversion wall (16); the purification channel comprises eight channels (21-28) on which spur dikes (2) are arranged, and the spur dikes (2) are arranged opposite to the water running direction. According to the purification channel, the terrain is ingeniously utilized to extend the water running route, so that the water can be fully purified, and the concentration of harmful materials such as heavy metal and pesticide in water and impurities floating on the water can be effectively reduced; a purification box can be timely replaced; in addition, the purification channel has the flood drainage function, is nice in appearance, and can be used in a series connection manner.
Description
Technical field
The present invention relates to a kind of ecological purification channel, and in particular to a kind of rotary island formula ecological purification suitable for large-scale sight spot
Channel.
Background technology
Current at sight spot often compare closing, it is impossible to swap with external source well, therefore can gradually accumulate
Each heavy metal species, agricultural chemicals, nitrate are remaining until exceeded, but need to take into account attractive in appearance, so that some landscape ecologicals purification canals
Road is purifying current.Now with purification current mode mainly have following several：The first be by biological cleaning ball be mounted in by
In the iron cage of steel wire and steelframe composition, whole iron cage is sunk to into channel bottom, to reach the effect of purification current.It is for second
A kind of trap drainage landscape channel, by discharge conduit the top of cistern side is arranged on, and is arranged in discharge conduit inside bottom
Rubble filter layer, arranges drainpipe in rubble filter layer, drainage pipe end extends to drainage ditch outside and points to cistern.Rubble
Division board is set on filter layer, filter screen, filter screen top arrangement soil are set on division board.Rainwater stream in discharge conduit, Jing
Cross soil, screen pack, rubble filter layer and cistern is entered by drainpipe, it is ensured that the cleanliness at cistern water source.
Both the above water purification mode mainly has following some deficiency：
It is miscellaneous on the water surface for swimming in although first kind of way can play a part of adsorption filtration to the harmful substance in water
Thing cannot be intercepted, but also greatly have impact on the conveyance capacity of channel；It is larger that the second way can only filter some volumes
Debris, for the agricultural chemicals being dissolved in water, heavy metal can not play a part of filtration, purification, and side will be furnished with cistern and receive
Constraints it is more and cannot drain flooded fields.
The content of the invention
Present invention aims to the deficiencies in the prior art, there is provided a kind of rotary island formula suitable for large-scale sight spot is ecological
Purification channel, the present invention is controlled the direction of current by physical features, greatly extends the path of current, is that current can be in purification canal
Sufficient purification filtering is obtained in road.The filtration of biological cleaning ball of the current in the groynes of the stop of groynes, can be effective
Reduce the concentration of the harmful substance such as heavy metal and agricultural chemicals and the debris for swimming in the water surface in water.The present invention is cleverly prolonged using physical features
Having grown flow path makes current be fully purified, purifying box can upgrade in time replacement and the present invention takes into account water drainage, beautiful outline form
See, can be used in series.
The invention provides a kind of rotary island formula ecological purification channel suitable for large-scale sight spot, purifies channel and is provided with into water
Mouth, delivery port, purification channel is annular, and water drainage channel is formed between water inlet and delivery port, and water drainage channel is centrally along current
Direction is provided with baffle wall, and on the water drainage channel of baffle wall upstream and downstream water drainage gate is respectively equipped with；
The purification channel include the first channel, the second channel, the 3rd channel, the 4th channel, fifth pathway, the 6th channel, the
Seven channels, the 8th channel；First channel, the second channel are located at respectively the both sides of the water drainage channel；Water drainage channel and the first canal
The 3rd channel, fifth pathway are provided between road, the 3rd channel, fifth pathway are located at baffle wall with the intersection of water drainage channel；The
The 4th channel is provided between three channels, fifth pathway；The 6th channel, the 8th channel are provided between water drainage channel and the second channel,
6th channel, the 8th channel are located at baffle wall with the intersection of water drainage channel；The 7th canal is provided between 6th channel, the 8th channel
Road；
First channel, the second channel are the first intersection with water drainage channel intersection, and the first channel crosses with the 3rd channel
Place, the second channel and the 8th channel intersection are the second intersection, and the three, the five, six, eight channel intersections are the 3rd intersection,
First channel and fifth pathway intersection, the second channel and the 6th channel intersection are the 4th intersection, the first channel, the second canal
Road is the 5th intersection with water drainage channel intersection, and the geopotentia of first, second, third and fourth, five intersections is reduced successively；
The first to eight channel is provided with groynes, and groynes is arranged against water (flow) direction.
Preferably, the groynes includes purifying box, service bridge and support frame composition, and support frame is by vertical steel pipe, water
Lateral system steel bar and lateral ties steel bar are constituted, and purifying box is put in the mounting groove that support frame is formed, and purifying box includes purification
Steel wire on case steelframe, purifying box steelframe and the biological cleaning ball in purifying box.
Preferably, the groynes is less than 0.33 in the ratio of projected length and the stable river width of Transverse to the flow direction, groynes with
Bank angle is 60 °.
Preferably, the biological cleaning ball is by polyolefin plastics skeleton and the soft cellulose filler with hydroformylation fibre synthetic fibre as material
Constitute, biological cleaning ball specific surface area is 2500 ~ 4000m2/m3, biological cleaning ball density is 3.5 ~ 7.0kg/m3, biological cleaning
Bulb diameter is 5cm.
Preferably, the biological cleaning ball surface adheres to one layer of biomembrane.
Preferably, first channel, the second channel are arranged symmetrically；3rd channel, the 8th channel are arranged symmetrically；Institute
State fifth pathway, the 6th channel to be arranged symmetrically；4th channel, the 7th channel are arranged symmetrically.
Preferably, the 4th channel, the 7th channel are arc.
Preferably, the baffle wall is rhombus, and two acute angles of rhombus are located at the water (flow) direction of the water drainage channel.
Preferably, the groynes is arranged on the first to eight channel side.
Preferably, the support frame is U-shaped, including the first straight line portion, bend, the second straight line portion that are sequentially connected,
Service bridge is provided between first straight line portion and second straight line portion, service bridge is vertically arranged with first straight line portion, second straight line portion.
Compared with prior art, the invention has the advantages that：
First, the present invention includes purification channel, groynes, purifying box, service bridge, vertical steel pipe, horizontal connection steel bar, lateral ties
Steel bar, steel wire, clip, biological cleaning ball, water (flow) direction, purifying box steelframe, mounting groove, water drainage channel, water drainage gate, point
Waterwall.It is specific as follows：Being primarily due to the geopotentia of first, second, third and fourth, five intersections reduces successively（Physical features from high to low according to
1. secondary be>②>③>④>⑤）3. and 4., flow direction, in 2. place's shunting, flows to respectively generally from 1. flowing to 2., and 3. stream is arrived
4., finally 4. stream is mainly made up of to channel arrangement groynes, groynes 5., is purified purifying box, service bridge and support frame.Carriage
Frame is made up of vertical steel pipe, horizontal connection steel bar and lateral ties steel bar, and in the mounting groove of formation purifying box is put into.Groynes is against the current
Stream direction arrangement, is 60 ° with bank angle, and the biology that the exceed standard material when current flow through groynes in water can be cleaned in case is net
Change ball adsorption filtration, and the larger debris of the volume of floating can be stopped by groynes on the water surface, then by some artificial cleanings
Water surface cleaning can be kept.Current can greatly reduce the concentration of heavy metal, agricultural chemicals through the multiple times of filtration of groynes.When need row
Water drainage gate is opened when flooded, current are directly drained flooded fields from water drainage channel.（1. purification channel physical features is successively from high to low>②>
③>④>3. and 4. 5., that is to say, that flow direction, in 2. place's shunting, is flowed to respectively generally from 1. flowing to 2., 3. stream to 4.,
Last 4. stream is to the path for 5., extending current flowing.）The present invention is by extending the path of current again by groynes and groynes
Purifying box adsorption filtration is right debris and harmful substance.
Second, biological cleaning ball is constituted it by polyolefin plastics skeleton with the soft cellulose filler with hydroformylation fibre synthetic fibre as material
Specific surface area scope is 2500 ~ 4000m2/m3, density is 3.5 ~ 7.0kg/m3, a diameter of 5cm of biological ball purifying ball.In order to enter one
Step strengthens dirt-removing power, adheres to one layer of biomembrane in biological ball surface, it is possible to reduce the material such as organic matter, nitrogen, phosphorus in sewage
Content.Service bridge on groynes can facilitate staff to raise the debris stopped by groynes, moreover it is possible to convenient research people
Member periodically take clarifier analysis and research and observe current.
3rd, 1, the present invention can adsorb agricultural chemicals, heavy metal, the nitric acid being dissolved in water using groynes and biological cleaning ball
The harmful substances such as salt, moreover it is possible to the larger debris of volume well in filter water.2nd, groynes of the invention is in Transverse to the flow direction
The ratio of projected length and stable river width be less than 0.33, be short groynes, it is less to water currents.3rd, the present invention not only can be filtered
Purification can also take into account water drainage, and water drainage gate current are opened when water drainage is needed just can be discharged along water drainage channel.4th, this
It is bright can be dealed with the merits of each case according to the pollution level in area with arranged in series.5th, present configuration is simple, good looking appearance, to scape
Point will not have a great impact.
Description of the drawings
Fig. 1 is top view of the present invention suitable for the rotary island formula ecological purification channel at large-scale sight spot；
Fig. 2 is floor plan of the present invention suitable for the single groynes of the rotary island formula ecological purification channel at large-scale sight spot；
Fig. 3 is the structural representation of the present invention single purifying box suitable for the rotary island formula ecological purification channel at large-scale sight spot；
Fig. 4 is that the framework in groynes depth of water direction of the present invention suitable for the rotary island formula ecological purification channel at large-scale sight spot is illustrated
Figure；
Fig. 5 is mounting plane schematic diagram of the present invention suitable for the purifying box of the rotary island formula ecological purification channel at large-scale sight spot.
In figure：1 purification channel, 2 groynes, 3 purifying boxs, 4 service bridges, 5 vertical steel pipes, 6 horizontal connection steel bars, 7 laterally join
It is steel bar, 8 steel wires, 9 clips, 10 biological cleaning balls, 11 water (flow) directions, 12 purifying box steelframes, 13 mounting grooves, 14 water drainage canals
Road, 15 water drainage gates, 16 baffle walls, 17 water inlets, 18 delivery ports, 21 first channels, 22 second channels, 23 the 3rd channels, 24
4th channel, 25 fifth pathway, 26 the 6th channels, 27 the 7th channels, 28 the 8th channels.
Specific embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to and the enforcement
Example.
Embodiment：As Figure 1-5, a kind of rotary island formula ecological purification channel suitable for large-scale sight spot, including 1 purification canal
Road, 2 groynes, 3 purifying boxs, 4 service bridges, 5 vertical steel pipes, 6 horizontal connection steel bars, 7 lateral ties steel bars, 8 steel wires, 9 are fixed
Button, 10 biological cleaning balls, 11 water (flow) directions, 12 purifying box steelframes, 13 mounting grooves, 14 water drainage channels, 15 water drainage gates, 16 points of water
Wall, 17 water inlets, 18 delivery ports, 21 first channels, 22 second channels, 23 the 3rd channels, 24 the 4th channels, 25 fifth pathway,
26 the 6th channels, 27 the 7th channels, 28 the 8th channels.
Purification channel is provided with water inlet 17, delivery port 18, and purification channel is annular, water inlet 17 and delivery port 18 it
Between formed water drainage channel 14, water drainage channel 14 be provided with baffle wall 16, the water drainage canal of the upstream and downstream of baffle wall 16 centrally along water (flow) direction
Water drainage gate 15 is respectively equipped with road 14；
The purification channel include the first channel 21, the second channel 22, the 3rd channel 23, the 4th channel 24, fifth pathway 25, the
Six channels 26, the 7th channel 27, the 8th channel 28；First channel 21, the second channel 22 are located at respectively the water drainage channel 14
Both sides；The 3rd channel 23, fifth pathway 25, the 3rd channel 23, fifth pathway are provided between the water drainage channel 21 of channel 14 and first
25 are located at baffle wall 16 with the intersection of water drainage channel 14；The 4th channel 24 is provided between 3rd channel 23, fifth pathway 25；Row
The 6th channel 26, the 8th channel 28, the 6th channel 26, the 8th channel 28 and water drainage are provided between the channel 22 of flooded channel 14 and second
The intersection of channel 14 is located at baffle wall 16；The 7th channel 27 is provided between 6th channel 26, the 8th channel 28；
First channel 21, the second channel 22 and water drainage channel 14 intersection are the first intersection, the first channel 21 and the 3rd
The intersection of channel 23, the second channel 22 and the intersection of the 8th channel 28 are the second intersection, the three, the five, six, eight channels 23,25,
26th, 28 intersections are the 3rd intersection, and the first channel 21 is handed over the intersection of fifth pathway 25, the second channel 22 with the 6th channel 26
It is the 4th intersection at remittance, the first channel 21, the second channel 22 and water drainage channel 14 intersection are the 5th intersection, first and second,
3rd, the geopotentia of four, five intersections is reduced successively；
The first to the eight channel 21-28 is provided with groynes 2, and groynes 2 is arranged against water (flow) direction.
Groynes 2 includes purifying box 3, service bridge 4 and support frame composition, and support frame is by vertical steel pipe 5, horizontal connection steel
Bar 6 and lateral ties steel bar 7 are constituted, and purifying box 3 is put in the mounting groove 13 that support frame is formed, and purifying box 3 includes purifying box
The biological cleaning ball 10 in steel wire 8 and purifying box 3 on steelframe 12, purifying box steelframe 12.The top of purifying box 3 is provided with solid
Surely 9 are detained.
Groynes 2 is less than 0.33 in the projected length of Transverse to the flow direction with the ratio of stable river width, is short groynes, to channel mistake
Stream capacity is less.Groynes 2 arranges that groynes 2 and bank angle are 60 ° against water (flow) direction.
Biological cleaning ball 10 is made up of polyolefin plastics skeleton with the soft cellulose filler with hydroformylation fibre synthetic fibre as material, biological
The specific surface area of purifying ball 10 is 2500 ~ 4000m2/m3, the density of biological cleaning ball 10 is 3.5 ~ 7.0kg/m3, biological cleaning ball 10 is straight
Footpath is 5cm.
Biological cleaning ball 10 surface attachment, one layer of biomembrane.
First channel 21, the second channel 22 are arranged symmetrically；3rd channel 23, the 8th channel 28 are arranged symmetrically；It is described
Fifth pathway 25, the 6th channel 26 are arranged symmetrically；4th channel 24, the 7th channel 27 are arranged symmetrically.
4th channel 24, the 7th channel 27 are arc.
Baffle wall 16 is rhombus, and two acute angles of rhombus are located at the water (flow) direction of the water drainage channel 14.
Groynes 2 is arranged on the first to eight channel 21-28 sides.
Support frame is U-shaped, including the first straight line portion, bend, the second straight line portion that are sequentially connected, first straight line portion with
Second straight line is provided with service bridge between portion（4）, service bridge（4）It is vertically arranged with first straight line portion, second straight line portion.
As shown in Fig. 1,2,3,4,5.The present invention was adsorbed to reach by 3 purifying boxs in 2 groynes and groynes to current
The effect of filter, groynes is 60 ° against the angle that water (flow) direction arrangement is formed with bank, by 5 vertical steel pipes, 6 horizontal connection steel bars and 7
The inside steelframe and outside steelframe of lateral ties steel bar composition groynes, can form placement 3 net between internal steelframe and outside steelframe
Change 13 mounting grooves of case.Purifying box is made up of 12 purifying box steelframes and 8 steel wires, and inside is put into 10 biological cleaning balls.Work as current
During with regard to Jing groynes, the harmful substance such as heavy metal and agricultural chemicals in current can be by 10 biological cleaning ball adsorption cleanings, and some volumes
The larger debris swum on the water surface can be stopped that the periodic cleaning of cooperating personnel can keep the water surface clear by groynes
It is clean.
Groynes is arranged apart in channel two sides, under normal usage current due to physical features reason from 1. flow to 2.,
3. and 4. 2. place's shunting, flows to respectively, and 3. to 4., finally 4. stream, to 5., greatly increased the path of current to stream, enable current
Enough flow through more groynes and obtain more sufficient purification filtering.And 15 are opened when water drainage is needed and is drained flooded fields gates, current are from 14
Water drainage channel is flowed directly out.
As described above, although the present invention has been represented and described with reference to specific preferred embodiment, it must not be explained
Limitation of the present invention, on the premise of the spirit and scope of the present invention defined without departing from claims, can to its
Various changes can be made in formal and details.
Claims (10)
1. a kind of rotary island formula ecological purification channel suitable for large-scale sight spot, purifies channel and is provided with water inlet（17）, delivery port
（18）, it is characterized in that, it is described purification channel be annular, water inlet（17）With delivery port（18）Between formed water drainage channel
（14）, drain flooded fields channel（14）Baffle wall is provided with centrally along water (flow) direction（16）, baffle wall（16）The water drainage channel of upstream and downstream（14）
On be respectively equipped with water drainage gate（15）；
The purification channel includes the first channel（21）, the second channel（22）, the 3rd channel（23）, the 4th channel（24）, the 5th
Channel（25）, the 6th channel（26）, the 7th channel（27）, the 8th channel（28）；First channel（21）, the second channel（22）Respectively
Positioned at the water drainage channel（14）Both sides；Water drainage channel（14）With the first channel（21）Between be provided with the 3rd channel（23）,
Five channels（25）, the 3rd channel（23）, fifth pathway（25）With water drainage channel（14）Intersection be located at baffle wall（16）；3rd
Channel（23）, fifth pathway（25）Between be provided with the 4th channel（24）；Water drainage channel（14）With the second channel（22）Between be provided with
6th channel（26）, the 8th channel（28）, the 6th channel（26）, the 8th channel（28）With water drainage channel（14）Intersection be located at
Baffle wall（16）；6th channel（26）, the 8th channel（28）Between be provided with the 7th channel（27）；
First channel（21）, the second channel（22）With water drainage channel（14）Intersection be the first intersection, the first channel
（21）With the 3rd channel（23）Intersection, the second channel（22）With the 8th channel（28）Intersection be the second intersection, the 3rd,
5th, six, eight channel（23、25、26、28）Intersection be the 3rd intersection, the first channel（21）With fifth pathway（25）Intersection,
Second channel（22）With the 6th channel（26）Intersection be the 4th intersection, the first channel（21）, the second channel（22）With water drainage
Channel（14）Intersection is the 5th intersection, and the geopotentia of first, second, third and fourth, five intersections is reduced successively；
The first to eight channel（21-28）It is provided with groynes（2）, groynes（2）Inverse water (flow) direction arrangement.
2. a kind of rotary island formula ecological purification channel suitable for large-scale sight spot according to claim 1, is characterized in that, described
Groynes（2）Including purifying box（3）, service bridge（4）With support frame composition, support frame is by vertical steel pipe（5）, horizontal connection steel
Bar（6）With lateral ties steel bar（7）Composition, the mounting groove that support frame is formed（13）In be put into purifying box（3）, purifying box（3）
Including purifying box steelframe（12）, purifying box steelframe（12）On steel wire（8）And purifying box（3）Interior biological cleaning ball
（10）.
3. a kind of rotary island formula ecological purification channel suitable for large-scale sight spot according to claim 2, is characterized in that, described
Groynes（2）0.33 is less than with the ratio of stable river width in the projected length of Transverse to the flow direction, groynes（2）It it is 60 ° with bank angle.
4. a kind of rotary island formula ecological purification channel suitable for large-scale sight spot according to claim 1,2 or 3, its feature
It is, the biological cleaning ball（10）It is made up of with the soft cellulose filler with hydroformylation fibre synthetic fibre as material polyolefin plastics skeleton, it is raw
Thing purifying ball（10）Specific surface area is 2500 ~ 4000m2/m3, biological cleaning ball（10）Density is 3.5 ~ 7.0kg/m3, biological cleaning
Ball（10）A diameter of 5cm.
5. a kind of rotary island formula ecological purification channel suitable for large-scale sight spot according to claim 4, is characterized in that, described
Biological cleaning ball（10）One layer of biomembrane of surface attachment.
6. a kind of rotary island formula ecological purification channel suitable for large-scale sight spot according to claim 1, is characterized in that, described
First channel（21）, the second channel（22）It is arranged symmetrically；3rd channel（23）, the 8th channel（28）It is arranged symmetrically；It is described
Fifth pathway（25）, the 6th channel（26）It is arranged symmetrically；4th channel（24）, the 7th channel（27）It is arranged symmetrically.
7. a kind of rotary island formula ecological purification channel suitable for large-scale sight spot according to claim 1, is characterized in that, described
4th channel（24）, the 7th channel（27）For arc.
8. a kind of rotary island formula ecological purification channel suitable for large-scale sight spot according to claim 1,2,3,5,6 or 7, its
It is characterized in that, the baffle wall（16）For rhombus, two acute angles of rhombus are positioned at the water drainage channel（14）Water (flow) direction.
9. a kind of rotary island formula ecological purification channel suitable for large-scale sight spot according to claim 1, is characterized in that, described
Groynes（2）It is arranged on the first to eight channel（21-28）Side.
10. a kind of rotary island formula ecological purification channel suitable for large-scale sight spot according to claim 1, is characterized in that, institute
It is U-shaped to state support frame, and including the first straight line portion, bend, the second straight line portion that are sequentially connected, first straight line portion is straight with second
Line is provided with service bridge between portion（4）, service bridge（4）It is vertically arranged with first straight line portion, second straight line portion.
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| CN102220747A (en) * | 2011-02-23 | 2011-10-19 | 河海大学 | Combined type water-purifying spur dike group system for heavily polluted rivers |
| KR101155744B1 (en) * | 2011-11-09 | 2012-07-03 | 현대건설주식회사 | Riverbed structure having accelerating flow path for preventing accumulation |
| CN103803760A (en) * | 2014-01-26 | 2014-05-21 | 河海大学 | Wet land purification system with serially-connected rice field drainage ditches in irrigated area |
| CN104003574A (en) * | 2014-05-21 | 2014-08-27 | 河海大学常州校区 | Labyrinth-type ecological purification pool suitable for drainage ditch in farmland |
| CN104326628A (en) * | 2014-10-31 | 2015-02-04 | 河海大学常州校区 | Cross flow type ecological purification device applicable to light sandy loam soil irrigated area |
| CN204529468U (en) * | 2015-04-03 | 2015-08-05 | 环境保护部南京环境科学研究所 | A kind ofly do not affect the ecological canal structure of flood passage for collection and treatment early-stage rainwater |
| CN205711978U (en) * | 2016-04-18 | 2016-11-23 | 杨郑 | A kind of water conservancy irrigation canals and ditches being provided with filtering function |
| CN206570766U (en) * | 2016-12-26 | 2017-10-20 | 扬州大学 | A kind of rotary island formula ecological purification channel suitable for large-scale sight spot |
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