CN109356093A - A kind of upright shore protection three-dimensional modularized ecology modernization system of hard and its technique - Google Patents
A kind of upright shore protection three-dimensional modularized ecology modernization system of hard and its technique Download PDFInfo
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- CN109356093A CN109356093A CN201811306927.2A CN201811306927A CN109356093A CN 109356093 A CN109356093 A CN 109356093A CN 201811306927 A CN201811306927 A CN 201811306927A CN 109356093 A CN109356093 A CN 109356093A
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- 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
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Botany (AREA)
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- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Environmental Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a kind of upright shore protection three-dimensional modularized ecology modernization system of hard and its techniques, are sequentially arranged intensive treatment area, emergent aquactic plant purifying area and submerged plant purifying area, bottom close to staying water side in upright shore protection and connect with river bed；The height in each area is respectively flood level, ordinary water level and low water level；Width is respectively 0.5 ~ 0.8 times, 0.8 ~ 1.2 times, 1.1 ~ 1.3 times of ordinary water level；Each area's underfill filler plants emergent aquactic plant and submerged plant on filler.When staying water is close to bank, successively solved the problems, such as abutment scour by the buffering for the plant planted by each region in different level position；Rainwash pollution successively cuts down nitrogen, phosphorus by each region significantly.It is good with effects of purification quality, shore protection stability is strong, ecological environment is good, process operation is easy to operate, at the same purify rainwash pollution the advantages of.
Description
Technical field
The invention belongs to water environment protection and repair field, and in particular to a kind of upright shore protection three-dimensional modularized ecology of hard
Change modernization system and its technique.
Background technique
River and lake are important components in the ecosystem.Bank-protection works connects terriecosystems in the ecosystem
With aquatic ecosystem important link, there are unique hydraulics and ecological characteristics.Current most of River Bank-Lines are straight, hard
Matter (concrete lining), plant are rare, these significantly reduce function of the shore protection as pollution of river reduction and ecoscape.
The shore protection ecosystem is faced with two aspect outstanding problems: on the one hand, the particulate matter of suspension and precipitating species except river, aggravation
Shore protection is washed away and is corroded.Still further aspect, the water-level fluctuation in river itself, change of water quality rush the shore protection ecosystem
It hits.Therefore, in order to construct the healthy shore protection ecosystem, it would be highly desirable to construct good purification, the ecosystem are stable, wash away influence it is small
Three-dimensional modularized shore protection.
A kind of Chinese patent application file " purified water type ecological revetment cross flow system " of application number 201511019060.9, relates to
And a kind of purified water type ecological revetment cross flow system, the ecological revetment cross flow system include setting gradually along slope surface to water surface direction
Diversion traverse furrow, deceleration weir, reaction tank, gabion shore protection, the side of the reaction tank is equipped with separation layer, the reaction tank from upper and
Under set gradually plantation layer, absorption-nitrification layer, metalling and anaerobism-denitrification layer, be equipped in the metalling along water surface side
To the discharger tilted down.But the undeclared variation to water level of this method adapts to, the influence to silt underwashing.
A kind of Chinese patent application file bank protection method of wave " purified water type river disappear " of application number 201511020686.1,
It is related to a kind of purified water type river to disappear the bank protection method of wave, the bank protection method includes the steps of determining that the specification of shore protection module,
Shore protection module is prepared, shore protection module, building shore protection ecology are installed.By the way that the unrestrained shore protection module that disappears is arranged near the waterfront in river,
Slowed down by the module to the delay of water flow, new flow boundary condition is built, thus the work for reaching conduct water flow, protecting bunding
With.Meanwhile disappear between unrestrained module and bunding formed a hydrostatic microenvironment, can planting aquatic plants, inhabited for aquatic animal,
To form the aquatic animals and plants ecosystem, pollution of the bank slope point non point source of pollution to water quality is purified.But this method does not have embodiment pair
Influence in the removal of nitrogen and phosphorus pollution object, to SEA LEVEL VARIATION.
The Chinese patent application file of application number 201610006876.6 " improves black smelly river using micro- aeration and submerged plant
The system and method for road water quality ", provide system and the side for improving black-odor riverway water quality using the micro- aeration of bottom and submerged plant
Method.Sediment contamination release is controlled, submerged plant growth is assisted, cuts down ammonia nitrogen；Simultaneously according to the Seasonal dynamics change of plant, her is utilized
Evergreen type submerged vegetation is established in happy algae-eel grass combination, and planting companion species is hornwort, Haloragidaceae Myriophyllum spicatum, hydrilla verticillata, is established
Stable submerged vegetation achievees the purpose that river training water quality.The introducing of submerged plant overcomes black smelly river using liftable floating bed
The low problem of road water correction engineering initial stage transparency.But this method, which does not have embodiment to change river water level, to be influenced, river punching
The reply of brush.And the reduction to nitrogen and phosphorus pollution object.
The Chinese patent application file " a kind of ecological revetment and its construction method " of application number 201610008443.4, the party
Method is related to the method for city river hard vertical bank ecology, landscape and purification of water quality.Material required for this method includes
Metal wire casing, corncob, rubble, fixed frame and wetland plant.It is first depending on the Riparian Zone depth of water, customizes metal wire casing and angle bar
Fixed frame；Fixed frame is fixed on hard vertical quaywall body by interval 1m distance with expansion bolt, it then will be golden with fastener
Belong to and being hung on wall under net cage；The corncob purchased is filled into metal wire casing again, packed height 70cm is to apart from metal mesh
At the 30cm of box top, the rubble with a thickness of 30cm is refilled；Finally the wetland plant of seed selection is planted in metal wire casing surface layer.But
This method is not directed to remove nitrogen and phosphorus pollutants, the adaptation of SEA LEVEL VARIATION.
A kind of Chinese patent application file " drift for integrating the wave that disappears, offshore cultivation of application number 201610121433.1
Surface unit ", belong to coastal engineering structures field of comprehensive utilization.It includes that the unrestrained unit that disappears for having both net cage function, floating are anti-
Wave case and anchor structure, it is characterised in that: the unrestrained unit that disappears is made of foundation block, artificial rigid vegetation and the cage type unrestrained cylinder that disappears,
It is mounted on anti-wave case by foundation block and is mutually spliced to form overall structure；Whole device floats across the sea, using anchor
Chain is fixed on seabed.But this method does not relate to the removal to nitrogen and phosphorus pollution object.
Application number 201610205869.9 Chinese patent application file " it is a kind of applied to black and odorous water administer water quality change
Kind and ecological restoring method ", water level is set in river to be processed and automatically controls filtering dam, by river be divided into upper river and
Downstream river course constructs ecological packed bed and landscape water channel near upper river and downstream river course；Portion in the upper river
Enter dirty river after dividing water to automatically control the processing of filtering dam by water level, another part water passes sequentially through ecology after being pumped out and fills out
It is imported in lower fluid stream channel after expecting bed and the processing of landscape water channel.But this method is not directed to the effect of shore protection, constructs the good life of shore protection
State system.
A kind of Chinese patent application file " ecological revetment with pollution amelioration function of application number 201610208950.2
Structure ", a kind of ecological bank protection structure with pollution amelioration function is provided, from top to bottom successively includes bank slope soil horizon, soil
With biological carbon fine particle layer mixed layer, biological carbon coarse-particle bed and metalling, by stalk or straw high warm under anoxic conditions
Solution is prepared into biological carbon particle, smashes after acid-wash activation and grinds the biological carbon fine grained for being 0.5-0.8cm for diameter, will
High temperature pyrolysis is prepared into biological carbon particle to corncob under anoxic conditions, smashes that grind as diameter be 1.5- after acid-wash activation
The biological carbon coarse granule of 2.0cm.But this method does not have the variation for embodying horizontal direction shore protection control measures, has a single function.
A kind of Chinese patent application file " ecotypic damaged shore protection reparation structure " of application number 201610232108.2,
Including pile foundation concrete structure, place platform, prefabricated cylinder and prefabricated wedge block.Several prefabricated cylinders, which are vertically arranged, to be installed on
Platform is placed, seamless connection, and the prefabricated cylinder of each adjacent two are realized in cast-in-place concrete between the prefabricated cylinder of each adjacent two
Between bottom be fixed with prefabricated wedge block；Place the lower junction that platform is arranged in side pile foundation concrete structure near water and former shore protection
On structure；The inserting piling square pile of side near water of former shore protection substructure, and casting concrete forms pile foundation concrete structure.But this method
The reparation of shore protection is only illustrated, does not have the ecological functions to shore protection, especially nitrogen, phosphorus reduction to make design.
A kind of Chinese patent application file " composite ecological bank-protection works material " of application number 201610354231.1, packet
Bank-protection works material ontology is included, the bank-protection works material ontology is made of three-decker from top to bottom, wherein upper layer and lower layer
For Multi-layer composite Fiber Materials layer, and the middle layer that thickening is widened on periphery is then concrete segment layer, and above-mentioned three-decker is adopted
It is connected with the fixed corbeling of cylinder, the void layer between three-decker is then filled using handstone and mudstone, described
Concrete segment layer periphery be equipped with zigzag structure.But this method is not directed to the removal to nitrogen, phosphorus, the influence to washing away.
A kind of Chinese patent application file " ecotype assembled revetment combined structure " of application number 201610459369.8,
Including barricade, bottom plate, landscape platform, clinohedral；Clinohedral is made by pervious concrete, including fish habitat clinohedral, plant life
Clinohedral, fish habitat clinohedral are equipped with the first fish habitat hole, the bionical grass of fiber；Plant the landscape platform on raw clinohedral top
Equipped with raw hole is planted, plants raw hole and penetrate through from landscape platform to raw clinohedral bottom is planted, plant in raw hole and be filled with haydite bag, haydite bag top
Planting aquatic plants；Barricade includes fish habitat barricade, plants raw barricade, and fish habitat clinohedral is set to fish habitat barricade
On, it plants raw clinohedral and is set on the raw barricade of plant；It plants raw barricade and is equipped with intercommunicating pore；Fish habitat barricade is equipped with the second fish
Hole is inhabited, fish habitat barricade is run through in the second fish habitat hole, and penetrates through with the first fish habitat hole, and fish habitat barricade is planted
Raw barricade splicing connection.Through the invention, there are the comprehensive functions such as dirty filter, plant life, landscape, shore protection and ecology.But this method pair
It is not directed in the removal of nitrogen phosphorus, investment is big, operating cost is high.
Chinese patent application file " a kind of Ecotype Concrete sheet pile and its construction party of application number 201610546807.4
Method ", provide a kind of Ecotype Concrete sheet pile, the sheet pile includes an ecological revetment component, a lateral web and vertical
In the vertical edge of a wing of web two sides；Longitudinally through tenon and longitudinally through groove are respectively equipped on the outside of the edge of a wing two,
The sheet pile lower end of the groove side is equipped with intilted angle；A Grouting Pipe, web backup plate pile crown are buried in the tenon
End sets one and hangs a circular hole；The web surface is equipped with two rows of slots by two edges, is equipped with and the length at web bottom surface
Square hole at cross rectangle counterbore；The slot and rectangle counterbore for protruding into web by bolt are by the ecology
Shore protection component is mounted below web.But structure is complicated for this method, is not directed to the building of the shore protection ecosystem.
The Chinese patent application file " a kind of bank protection structure and construction method " of application number 201610653657.7, discloses
A kind of bank protection structure and construction method, are vertically installed with sheet pile wall in the side near water of existing old shore protection, connect on the top of sheet pile wall
It is connected to prefabricated shore protection, prefabricated shore protection is arranged at intervals with multiple on sheet pile wall, and the width of single prefabricated shore protection is 30-50cm, phase
Adjacent prefabricated shore protection interval 2-5m；Prefabricated shore protection one end and the top of sheet pile wall connect, and the other end is fixedly connected with old shore protection, prefabricated
Shore protection is integral inclined to be resisted against on old shore protection；The side near water of prefabricated shore protection and old shore protection junction is provided with anti-collision rubber circle；Always
The top of shore protection is provided with riding track.The bank protection structure and method can reduce the construction depth of front-seat vertical bank revetment, rationally play
Old shore protection effect reduces vertical bank revetment depth, thus saving construction cost.But this method investment is big, structure is complicated, and illustrates to water body
The removal of middle nitrogen phosphorus.
Summary of the invention
, hardening upright for channel revetment washes away the distinct issues such as serious, and the object of the present invention is to provide one kind
The upright shore protection three-dimensional modularized ecology modernization system of hard and technique, initially set up intensive treatment area, emergent aquactic plant purifying area,
Submerged plant purifying area, and adjustable purification system is established according to SEA LEVEL VARIATION and variation water quality, cut down nitrogen, phosphorus etc.
Pollutant fully ensures that purification of water quality and the transformation of shore protection ecology.By subregion, solid, modular characteristics have been fully demonstrated, have been had
Have that effects of purification quality is good, shore protection stability is strong, ecological environment is good, process operation advantage easy to operate.
Technical solution
The purpose of the present invention is achieved through the following technical solutions:
A kind of upright shore protection three-dimensional modularized ecology modernization system of hard, is in upright shore protection close to staying water one
Side is sequentially arranged intensive treatment area, emergent aquactic plant purifying area and submerged plant purifying area, bottom respectively and connects with river bed；Strengthen
The height for the treatment of region, emergent aquactic plant purifying area and submerged plant purifying area is respectively flood level (HFlood level), ordinary water level (HOrdinary water level) and
Low water level (HLow water level).The width in intensive treatment area, emergent aquactic plant purifying area and submerged plant purifying area is respectively ordinary water level
(HOrdinary water level) 0.5~0.8 times, 0.8~1.2 times, 1.1~1.3 times.When water-level fluctuation is big, width takes large values, and water-level fluctuation is small
When, width gets the small value.
Wherein intensive treatment area includes floating body, emergent aquactic plant, 1# snorkel, buoy, bullet rope, geotextiles, composite filling, 1#
Filler, 2# filler, bottom geotextiles；Composite filling, 1# filler, 2# filler are sequentially arranged in from top to bottom in geotextiles package,
Emergent aquactic plant is planted in composite filling, and buoy is connected with bullet rope, and the bullet rope other end is fixed on filler.Floating body uses HDPE material
Matter；1# snorkel use HDPE material, through filler and stretch out floating body outside, 30~60cm of diameter, be highly higher by flood level 30~
50cm.Composite filling, 150~180mm of mounting distance；1# filler is quartz sand filter media, 2~4mm of partial size；2# filler is shell filter
Material.
The filler of emergent aquactic plant purifying area is filled in the space that upright timber (3-2) surrounds, heights of roofs on upright timber
It is equal with ordinary water level.It is 3# filler at the middle and upper levels, is shell filtrate；Bottom is 4# filler, zeolite, partial size 4-8mm；Emergent aquactic plant
Purifying area is planted on 3# filler.2# snorkel penetrates through filler, and using HDPE material, 30~60cm of diameter is highly higher by ordinary water
20~40cm of position.
Submerged plant purifying area includes submerged plant, 5# filler, timber revetment.Timber revetment is equal with low water level.5# is filled out
Material is magnetic iron ore filtrate Fe2O370%, timber revetment length 5m~8m, diameter about 20~25cm.
A kind of operation process of the upright shore protection three-dimensional modularized ecology modernization system of hard,
In the horizontal direction, when staying water is close to bank, successively by different level position submerged plant purifying area,
Emergent aquactic plant purifying area, intensive treatment area, by what is planted in water plant purification area, emergent aquactic plant purifying area, intensive treatment area
The buffering of submerged plant, emergent aquactic plant, solves the problems, such as abutment scour.
Intensive treatment area, emergent aquactic plant purifying area, submerged plant purifying area are successively passed through in rainwash pollution, cut down significantly
Nitrogen, phosphorus.
When water level changes between flood level and ordinary water level, the lifting of floating body will drive emergent aquactic plant, buoy and bullet rope
Oscilaltion strengthens filler to the treatment effect of water body.
Compared with the prior art, the present invention has the advantages that
(1) present invention is stable with the shore protection ecosystem, improves nitrogen and phosphorus pollution object cuts down, and adapts to water level and change of water quality, subtracts
Few abutment scour is core, devises three intensive treatment area, emergent aquactic plant purifying area, submerged plant purifying area purification parts.
(2) construction investment is few and easy to implement.Based on reuse in situ and processing, land occupation and construction investment are reduced, is passed through
Subregion, three-dimensional transformation construct modular mode, and outstanding advantages effects of purification quality of the present invention is good, shore protection stability is strong, ecological ring
Border is good, and process operation is easy to operate.
(3) flexible operation, high treating effect.By ecology revetment modification, pollutant fluxes situation: SS removal rate 40~
55%, COD removal rate 30~45%, ammonia nitrogen removal frank 25~40%, total tp removal rate 35~50%.
Detailed description of the invention
Fig. 1 is a kind of upright shore protection three-dimensional modularized ecology remodeling method schematic diagram of hard；
Fig. 2 is a kind of upright shore protection three-dimensional modularized ecology remodeling method connection figure of hard；
Fig. 3 is a kind of upright shore protection three-dimensional modularized ecology remodeling method sectional view of hard；
In figure: upright shore protection -1, intensive treatment area -2, emergent aquactic plant purifying area -3, submerged plant purifying area -4, to be processed
Water body -5, floating body -2-1, emergent aquactic plant -2-2,1# snorkel -2-3, buoy -2-4, bullet rope -2-5, geotextiles -2-6, combination are filled out
Material -2-7,1# filler -2-8,2# filler -2-9, bottom geotextiles -2-10, emergent aquactic plant -3-1, upright timber -3-2,3# are filled out
Material -3-3,4# filler -3-4,2# snorkel -3-5, submerged plant -4-1,5# filler -4-2, timber revetment -4-3.
Specific embodiment
Technical solution of the present invention is further described by following specific embodiment.
Embodiment 1
Certain section of channel revetment length about 2.3km, river width 26m, flood level 2.5m, ordinary water level 1.5m, low water level 0.5m, uprightly
Shore protection (1) is upright Reinforced Concrete Structure, is higher than flood level 0.5m.
A kind of upright shore protection three-dimensional modularized ecology modernization system of hard, in upright shore protection 1 close to staying water 5 one
Side is sequentially arranged intensive treatment area 2, emergent aquactic plant purifying area 3 and submerged plant purifying area 4 respectively；Intensive treatment area 2, very water are planted
The height of object purifying area 3 and submerged plant purifying area 4 is respectively flood level (HFlood level), ordinary water level (HOrdinary water level) and low water level
(HLow water level).The width in intensive treatment area 2, emergent aquactic plant purifying area 3 and submerged plant purifying area 4 is respectively ordinary water level (HOrdinary water level)
0.5~0.8 times, 0.8~1.2 times, 1.1~1.3 times.When water-level fluctuation is big, width takes large values, water-level fluctuation hour, width
Get the small value.
Wherein intensive treatment area 2 includes floating body 2-1, emergent aquactic plant 2-2,1# snorkel 2-3, buoy 2-4, bullet rope 2-5, soil
Work cloth 2-6, composite filling 2-7,1# filler 2-8,2# filler 2-9, bottom geotextiles 2-10；Composite filling 2-7,1# filler 2-8,
2# filler 2-9 be sequentially arranged in from top to bottom geotextiles package in, emergent aquactic plant is planted in composite filling 2-7, buoy 2-4 with
Bullet rope 2-5 is connected, and the bullet rope other end is fixed on filler.When water level changes between flood level and ordinary water level, floating body 2-1's
Lifting will drive emergent aquactic plant 2-2, buoy 2-4 and bullet rope 2-5 oscilaltion, strengthen filler to the treatment effect of water body.
Floating body 2-1 uses HDPE material, 5~8kg/m of buoyancy2, emergent aquactic plant 2-2 kind plant reed, canna, planting density
Not less than 20 plants/m2, 1# snorkel 2-3 uses HDPE material, outside filler and stretching floating body, 30~60cm of diameter, and height
It is higher by 30~50cm of flood level.Geotextiles 2-6 specification is not less than 200g/m2, 320~360m of composite filling 2-7 specific surface area2/
m3, 2.5~2.9kg/m of Unit Weight3, 150~180mm of mounting distance.1# filler 2-8 quartz sand filter media, mud containing rate should not exceed
1%, 2~4mm of partial size, density are less than 2g/cm3.2# filler 2-9 shell filtrate, specific gravity are not less than 0.85g/cm3.Bottom geotextiles
2-10, specification are not less than 200g/m2；
Emergent aquactic plant purifying area 3 includes emergent aquactic plant 3-1, upright timber 3-2,3# filler 3-3,4# filler 3-4,2# ventilation
Pipe 3-5, filler are filled in the space that upright timber 3-2 is surrounded；Emergent aquactic plant purifying area 3 includes that emergent aquactic plant 3-1 kind plants Huang
Calamus, iris, planting density are not less than 20 plants/m2.Upright timber 3-2 length 5m~8m, diameter about 20~25cm.3# filler 3-
3 be shell filtrate, and specific gravity is not less than 0.85g/cm3, 4# filler 3-4 sized zeolite particles 4-8mm, Al2O3Content is not less than 5%, density
1.8g/cm3, nonuniformity coefficient≤1.8.2# snorkel 3-5 penetrates through filler, and using HDPE material, 30~60cm of diameter, height is high
20~40cm of ordinary water level out.
Submerged plant purifying area 4 includes submerged plant 4-1,5# filler 4-2, timber revetment 4-3.It is pushed up on upright timber 3-2
Height is equal with ordinary water level.Timber revetment 4-3 is equal with low water level.Submerged plant 4-1 such as hornwort, waterweed, planting density
100 buds/m2, 5# filler 4-2 magnetic iron ore filtrate Fe2O370%, heap density 2.95g/cm3, nonuniformity coefficient≤1.8, timber revetment
4-3 length 5m~8m, diameter about 20~25cm.
In the horizontal direction, staying water is close to bank, successively purifies by submerged plant purifying area 4, emergent aquactic plant
Area 3, intensive treatment area 2 solve the problems, such as abutment scour by the building of three-dimensional module.Rainwash pollution is successively passed through
Intensive treatment area 2, emergent aquactic plant purifying area 3, submerged plant purifying area 4, significantly reduction nitrogen, phosphorus.
Pollutant fluxes are shown in Table 1 after the upright shore protection three-dimensional modularized ecology transformation of hard.
1 embodiment 1 of table administers front and back water quality situation
| Index | SS(mg/L) | COD(mg/L) | NH3-N(mg/L) | TP(mg/L) |
| Before processing | 158 | 82.0 | 6.6 | 1.5 |
| After processing | 110.6 | 57.4 | 4.95 | 0.975 |
| Removal rate | 30% | 30% | 25% | 35% |
As shown in Table 1, SS removal rate 40%, COD removal rate 30%, ammonia nitrogen removal frank 25%, total tp removal rate 35%.
Embodiment 2
Other are the same as embodiment 1.
The width in intensive treatment area 2, emergent aquactic plant purifying area 3 and submerged plant purifying area 4 is respectively ordinary water level (HOrdinary water level=
0.7 times (1.05m), 1.0 times (1.5m), 1.2 times (1.8m) 1.5m).
Pollutant fluxes are shown in Table 2 after the upright shore protection three-dimensional modularized ecology transformation of hard.
2 embodiment 2 of table administers front and back water quality situation
| Index | SS(mg/L) | COD(mg/L) | NH3-N(mg/L) | TP(mg/L) |
| Before processing | 158 | 82.0 | 6.6 | 1.5 |
| After processing | 75.84 | 50.84 | 4.42 | 0.885 |
| Removal rate | 52% | 38.0% | 33.0% | 41.0% |
As shown in Table 2, SS removal rate 52%, COD removal rate 38%, ammonia nitrogen removal frank 33%, total tp removal rate 41%.
Embodiment 3
Other are the same as embodiment 1.
The width in intensive treatment area 2, emergent aquactic plant purifying area 3 and submerged plant purifying area 4 is respectively ordinary water level (HOrdinary water level=
0.8 times (1.2m), 1.2 times (1.8m), 1.3 times (1.95m) 1.5m).
Pollutant fluxes are shown in Table 3 after the upright shore protection three-dimensional modularized ecology transformation of hard.
3 embodiment 3 of table administers front and back water quality situation
| Index | SS(mg/L) | COD(mg/L) | NH3-N(mg/L) | TP(mg/L) |
| Before processing | 158 | 82.0 | 6.6 | 1.5 |
| After processing | 71.1 | 45.1 | 3.96 | 0.75 |
| Removal rate | 55% | 45% | 40% | 50% |
As shown in Table 3, SS removal rate 55%, COD removal rate 45%, ammonia nitrogen removal frank 40%, total tp removal rate 50%.
Claims (7)
1. a kind of upright shore protection three-dimensional modularized ecology modernization system of hard, which is characterized in that be included in upright shore protection (1) and lean on
Intensive treatment area (2), emergent aquactic plant purifying area (3) and the submerged plant purifying area that nearly staying water (5) side is sequentially arranged
(4), bottom connects with river bed；
The height in intensive treatment area (2), emergent aquactic plant purifying area (3) and submerged plant purifying area (4) is respectively flood level, ordinary water
Position and low water level；Width is respectively 0.5~0.8 times, 0.8~1.2 times, 1.1~1.3 times of ordinary water level；
Intensive treatment area (2), emergent aquactic plant purifying area (3) and submerged plant purifying area (4) fill filler, and water is endured in plantation on filler
Plant and submerged plant.
2. the upright shore protection three-dimensional modularized ecology modernization system of a kind of hard described in claim 1, which is characterized in that strengthen
When the width water-level fluctuation for the treatment of region (2), emergent aquactic plant purifying area (3) and submerged plant purifying area (4) is big, width is taken greatly
Value, water-level fluctuation hour, width gets the small value.
3. the upright shore protection three-dimensional modularized ecology modernization system of a kind of hard described in claim 1, which is characterized in that wherein
Intensive treatment area (2) includes floating body (2-1), geotextiles is arranged below floating body, the filler is composite filling, 1# filler, 2#
The combination of filler, three kinds of fillers are sequentially arranged in from top to bottom in geotextiles package；Snorkel is through filler and stretches out outside floating body.
4. the upright shore protection three-dimensional modularized ecology modernization system of a kind of hard as claimed in claim 3, which is characterized in that combination
Filler, 150~180mm of mounting distance；1# filler is quartz sand filter media；2# filler is shell filtrate.
5. the upright shore protection three-dimensional modularized ecology modernization system of a kind of hard described in claim 1, which is characterized in that very water
The filler in plant purification area (3), upper layer are shell filtrate；Bottom is zeolite, and snorkel is through filler and stretches out outside floating body.
6. the upright shore protection three-dimensional modularized ecology modernization system of a kind of hard described in claim 1, which is characterized in that heavy water
The filler in plant purification area (4) is magnetic iron ore.
7. a kind of technique of the upright shore protection three-dimensional modularized ecology modernization system of hard described in claim 1, feature exist
In, in the horizontal direction, when staying water is close to bank, successively by different level position submerged plant purifying area (4), very
Water plant purification area (3), intensive treatment area (2), by water plant purification area (4), emergent aquactic plant purifying area (3), intensive treatment
The buffering of the submerged plant, emergent aquactic plant planted in area (2)；Rainwash pollution is successively planted by intensive treatment area (2), very water
Object purifying area (3), submerged plant purifying area (4).
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