CN110422931A - River corridor restoration system construction method - Google Patents
River corridor restoration system construction method Download PDFInfo
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- CN110422931A CN110422931A CN201910720130.5A CN201910720130A CN110422931A CN 110422931 A CN110422931 A CN 110422931A CN 201910720130 A CN201910720130 A CN 201910720130A CN 110422931 A CN110422931 A CN 110422931A
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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
- C02F11/00—Treatment of sludge; Devices therefor
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/004—Sludge detoxification
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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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
- C02F3/02—Aerobic processes
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- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- C02F7/00—Aeration of stretches of water
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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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 a kind of river corridor restoration system construction methods, comprising: substrate improvement activation: carrying out bed mud after bed mud sanitized and activates work, establishes beneficial microbe system；Algivorous insect adds: launching algivorous insect using the putting mode that oxygenation bag directly enters water；Mima type microrelief building: water-bed landform is constructed using planting soil, sandstone；Submerged plant subregion: submerged plant subregion is carried out according to water depth；Submerged plant planting and maintenance.The present invention can avoid the variation because of season that water quality is caused obvious fluctuation occur, additionally it is possible to effectively purify the pollutant in bed mud, improve the ecological condition of bed mud in the useful effect of four seasons performance purifying water body.
Description
Technical field
The present invention relates to a kind of river corridor restoration system construction methods, belong to ecological restoration technical field.
Background technique
With urbanization fast development, city river is influenced by factors such as sanitary sewage discharge, pollution of area source, easy eutrophy
Change, there are the danger of algal bloom.And due to the sedimentation of suspended particulate contaminants, by accumulating all the year round, bed mud eutrophication
Substance can also increase year by year, can aggravate the eutrophication of water body if not being controlled.It is at present usually to utilize large-scale emergent aquactic plant
Sewage purification function carry out water body purification, but to be difficult existence, landscape effect in winter poor for most of emergent aquactic plant, and very water is planted
Object can not purify bed mud well, thus often generate winter algal bloom, water quality inferiority, and bed mud constantly discharges pollutant etc. and asks
Topic needs a kind of water ecology purification system that is more stable and can purifying bed mud.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, a kind of river corridor restoration system is provided
Construction method, the system can avoid the variation because of season that water quality is caused to go out in the useful effect of four seasons performance purifying water body
Now obvious fluctuation, additionally it is possible to which the pollutant effectively in purification bed mud improves the ecological condition of bed mud.
In order to solve the above technical problems, the present invention provides a kind of river corridor restoration system construction method, characterized in that packet
It includes:
Substrate improvement activation: bed mud is carried out after bed mud sanitized and activates work, establishes beneficial microbe system；
Algivorous insect adds: launching algivorous insect using the putting mode that oxygenation bag directly enters water；
Mima type microrelief building: water-bed landform is constructed using planting soil, sandstone；
Submerged plant subregion: submerged plant subregion is carried out according to water depth；
Submerged plant planting and maintenance.
Further, further include the setting of soft enclosure, including gabion production, steel pipe cutting, line setting, beat steel-pipe pile, pacify
Fill separation net.
Further, for relative closure, the hypodynamic river of hydrodynamic(al), floating pump aeration system is set and is promoted in water body
Dissolved oxygen；Aeration system construction includes fixed point unwrapping wire, plays steel-pipe pile, installation host and operation debugging.
Further, further include fixed point unwrapping wire: plantation waters is used according to Planting Design figure, kinds of planting and range
Waters setting-out stake setting-out determines planting range and shape；
Further, bed mud disinfection uses Chinese herbal disinfectant；Bed mud activation is using photosynthetic bacteria, beneficial actinomyces and beneficial to bud
The mixed microorganism flora of born of the same parents bacillus carries out carbonaceous organic material, phosphorous and sulfur material decomposition, using nitrobacteria and denitrifier
The decomposition of mixed microorganism flora progress nitrogen substance.
Further, planting soil is made of bed mud, fine sand, soil moved in improve the original and peat according to mass ratio 5:1:3:1；Benefit
With sandstone building paddy, gully, mound and peak shape, the natural habitat for being suitble to plant growth is formed.
Further, after mima type microrelief building, waters biggish for stormy waves, using disappearing, wave eliminating band is arranged in unrestrained alms bowl；Disappear unrestrained alms bowl
Including bowl, packing material and emergent aquactic plant module, it is distributed water flow exchange hole by fixed angle on alms bowl wall, fills gravel inside bowl
Stone, rubble, soil cinder mixed layer and cobble plant emergent aquactic plant on packing material as packing material.
Further, submerged plant subregion is divided into emergent aquactic plant area, Gao Wenji submerged plant area and low from shallow to deep
Water plant area, three, warm season submerged plant area.
Further, the plantation of submerged plant uses fork planting method, throwing method and container planting method.
Further, submerged plant maintenance includes the control of waters water level and the control of water quality；The control of waters water level
System height should be adapted with the speed of growth of submerged plant；The control of water quality includes deleting, clear up and mending for submerged plant
It plants.
Advantageous effects of the invention:
(1) container planting method, throwing planting method and fork are had using different water plant planting methods according to water condition
Planting method etc. can overcome unfavorable growth factor, improve survival rate, shorten the construction period.
(2) appropriate algivorous insect is introduced, the permeable degree of water body is enhanced, guarantees that submerged plant has sufficient illumination, heavy water is improved and plants
Object survival rate；By the way that the wave that disappears is arranged, water wave impact is reduced.
(3) water bottom landform is renovated, provides living environment, building submerged forest biology for aquatic animals and plants, microorganism
Chain and the ecosystem repair bed mud and purify water.Subregion is carried out to submerged plant, also there is low temperature season in existing high warm-season plant
Plant guarantees the water purification ability of four seasons equilibrium.
Specific embodiment
The invention will be further described below.Following embodiment is only used for clearly illustrating technical side of the invention
Case, and not intended to limit the protection scope of the present invention.
The present invention provides a kind of river corridor restoration system construction method, which can play having for purifying water body in the four seasons
Effect effect avoids the variation because of season that water quality is caused obvious fluctuation occur, additionally it is possible to the pollutant effectively in purification bed mud,
Improve the ecological condition of bed mud.The following steps are included:
1. preparation of construction
(1) water quality and flow velocity investigation: live water quality is investigated, water quality transparency, pH value, pollution factor and existing dirt are understood
Dye source, it is desirable that water quality transparency 0.5-1m, pH value 4-9, pollution factor should be eutrophication, cut off existing pollution sources.It is required that water
Flow velocity≤0.1m/s, if speed is excessively high should to use energy dissipation measure.
(2) botanizing: investigating Extant species, analyzes plant life season and survives situation, as far as possible using life
Long good submerged plant of one's native land, supplements the high warm season lacked or low warm-season plant.Research and analyse the underwater ecology of existing water body
System is found out ecosystem missing or broken parts, is targetedly repaired.
(3) bed mud is investigated: being taken out Sediments and is carried out analysis of experiments, finds out sediment pollution ingredient and concentration, targetedly
Ground carries out bed mud improvement and selection submerged plant.
(4) scene arranges: the emergent aquactic plants such as the mixed and disorderly calamus of existing growth, the weeds spread unchecked and surface debris etc. are removed,
It is transferred into outside project waters；Subregion shifts water body trash fish, controls the fish quantity in construction area, and wild trash fish ingests water
Grass is not easy to water plant growth, and can stir bed mud, and bed mud is caused to float, and water body is muddy.
2. soft enclosure setting
To prevent, the contingency in construction area periphery waters from floating sundries and the residual branch of plant influences, herbivorous fishes are to water system
Algivorous insect in destruction and system is lost, and soft enclosure should be arranged near construction area, build the environment of a relative closure, be
Later period engineering construction creates conditions.Soft enclosure engineering can be divided into processing on the bank and the water surface installs two parts, mainly include gabion
Production, line setting, beats steel-pipe pile, installation separation net at steel pipe cutting.
(1) gabion makes
The gabion counter weight device underwater as soft enclosure, can also be sinker, be the main device for guaranteeing soft enclosure leakproofness.Gabion
Diameter control is in 6-8cm, and specific practice is to be artificially infused to rubble (partial size 20-40mm) in isolation sieve bottom, to guarantee in gabion
Rubble is closely knit, uniform, answers and shakes when filling.
(2) steel pipe is cut
Main fixed material of the steel pipe as soft enclosure, the length of steel pipe cutting should with implement waters the specific depth of water and bed mud it is thick
Degree is foundation, is preferably grown unsuitable short.It is unified with tape measure and cutting line has been marked before cutting, it is manually cut using hacksaw.
(3) line setting
Line setting should be required according to construction drawing before beating steel-pipe pile, determine the position of steel-pipe pile.
(4) steel-pipe pile is beaten
Steel pipe specification is 50 coating steel pipe of φ, and leveling peg is away from being 1m, and for plumb pile away from 20cm, steel pipe squeezes into the depth of bed mud as 1m,
The depth of piling is accurately controlled, while guaranteeing steel-pipe pile in the water surface hereinafter, not exposing the surface.
(5) separation net is installed
This separation net material is polyethylene mesh sheet, after processing on the coast, according to the spacing of steel-pipe pile every 1m in separation net
Top fills the iron hoop of a diameter 60mm, is fixed between iron hoop and separation net using nylon cable tie, successively covers iron hoop in steel pipe
In stake.Enclosure upper end unwrapping wire is straightened, and so that it is flown at the water surface using floating ball and flotation tube threading, accomplishes neat appearance.
3. aerating system is installed
For relative closure, the hypodynamic river of hydrodynamic(al), settable novel floating pump aeration system promotes the dissolved oxygen in water body.
Aeration system can also be divided into prepares two parts of constructing with the water surface on the bank, mainly includes fixed point unwrapping wire, beats steel-pipe pile, installs master
Machine, operation debugging.
(1) unwrapping wire is pinpointed
Unwrapping wire is carried out according to the arrangement that novel floating in design drawing pumps, determines approximate location.
(2) steel-pipe pile is beaten
The specification of steel pipe is φ 50mm, every root long 3m, keeps steel pipe to expose the surface 30cm or so, to facilitate subsequent installation.
(3) installation novel floating pump
Equipment is reinforced using fixing pieces such as matched earth studs, prevents from occurring shaking in operation and being displaced etc. existing
As.
(4) commissioning test
Electricity operation aerator is connect, whether observation spray is uniform, sees whether the phenomenon that circuit overloads occur.
4. substrate improvement activation
On the basis of completion is transformed in source of sewage, improvement activation should be carried out to existing bed mud, provide item for aquatic animals and plants growth
Part.The Chinese herbal medicine nontoxic type disinfectant for selecting high quality, is uniformly sprayed at entire bottom of river channel, carries out bottom after bed mud sanitized
Mud activates work, establishes beneficial microbe system, provides basic condition for algivorous insect and submerged plant growth.It generallys use photosynthetic
Bacterium carries out carbonaceous organic material, phosphorous and sulfur material point beneficial to actinomyces and beneficial to the mixed microorganism flora of bacillus
Solution, nitrobacteria and denitrifier mixed microorganism flora carry out the decomposition of nitrogen substance.Microorganism formulation is poured in ship, is made
It is manually splashed with plastic spoon, the entire water surface is splashed should be uniform.In order to keep the activity of microorganism preferably to apply in fine day, opened after use
Oxygen increasing equipment is opened, to increase dissolved oxygen content in water body.
5. algivorous insect adds
Algivorous insect, which can ingest, digests algae and water, improves water transparency, guarantees that submerged plant has a substantial light photograph, can also with it is aquatic
Plant, microbe symbiotic form the ecosystem, purification bed mud.The means of transportation of algivorous insect is oxygenation packed and transported, guarantees food algae
The activity of worm during transportation.It is the mechanical damage for reducing algivorous insect in launch process, water is directly entered using oxygenation bag
Putting mode.Depending on water pollution degree, algivorous insect can divide 2-4 dispensing to finish, before submerged plant planting, submerged plant kind
In plant, algivorous insect can be launched after submerged plant planting, it is main to improve situation according to water transparency.
6. mima type microrelief constructs
After sludge handling, water-bed landform, including paddy, gully, mound and peak one kind or several are constructed using planting soil, sandstone etc..
Planting soil can be used bed mud, fine sand, soil moved in improve the original and peat and be made, proportion are as follows: bed mud 5: fine sand 1: soil moved in improve the original 3: peat 1 is adopted
With horizontal mixer Site, it is uniformly mixed.Using sandstone building paddy, gully, mound and peak shape, oneself for being suitble to plant growth is formed
Right habitat, buffering water flow to the impacts of plant roots and stems, keep soil, usual cobble or rock are 5-50cm, coarse sand 5-10mm, to the greatest extent
Amount selects the sandstone of different-grain diameter, forms nature mima type microrelief.
7. wave eliminating band is arranged
Waters biggish for stormy waves, using disappearing, wave eliminating band is arranged in unrestrained alms bowl, eliminates influence of the stormy waves to substrate.The setting of wave eliminating band
Flow velocity, flow direction for changing plantation waters, while reducing stormy waves, influence of the stormy waves to construction plantation is eliminated, especially for wind
The biggish waters of wave.
The unrestrained alms bowl that disappears is made of bowl, packing material and emergent aquactic plant module.Bowl is made of glass reinforced plastic, by fixation on alms bowl wall
Angular distribution water flow exchange hole, inside filling gravel, rubble, soil cinder mixed layer and cobble, can be used as the life of emergent aquactic plant
Elongated carrier.Double arrangement is carried out along water boundary, bowl is floating in water, is connected as entirety, wave eliminating band is formed, apart from water body side
Boundary is preferably 5-15m.
8. pinpointing unwrapping wire
To plantation waters, according to Planting Design figure, kinds of planting and range, using determining kind of waters setting-out stake setting-out
Range and shape are planted, waters setting-out stake has fluorescence and suitable for dynamic water, when river or landscape pond are constructed,
Effective position and indicative function can be played at night.Plantation construction complete one at after, guide pile should be cleared up in time, with it is clear
Part through completing, the guide pile left identify the part not yet constructed.
9. submerged plant subregion
Plant subregion is carried out according to water depth, is divided into emergent aquactic plant area, Gao Wenji submerged plant area and low from shallow to deep
Water plant area, three, warm season submerged plant area.The emergent aquactic plant area depth of water is in 0-50cm, and the Gao Wenji submerged plant depth of water is in 50-
300cm, low temperature season, the submerged plant depth of water was in 300-550cm.To increase landscape, it can also increase floating plant, depth of water control exists
0-100cm.Plant subregion depth is found ruler using steel and is measured, and goes out to carry out bracing wire in respective depth scale, determines absolute altitude
Face, to guarantee that plant subregion is accurate, scientific.
10. submerged plant kind and quantity determine
It is necessary to select different water plants according to different planting areas after water plant distributed area is determining, its plantation is determined
Quantity, density and specification.Emergent aquactic plant area mainly selects some kinds with certain ornamental value and detergent power.Kind can
It is required to do corresponding variation according to landscape.Reed, smartweed, yellow flag, Scirpus tabernaemontani and lotus are mainly selected in the region.
Submerged plant is broadly divided into high warm season and low warm-season plant.High warm season submerged plant is to maintain the summer self-purification of water
Main body, and guarantee the necessary condition in autumn and winter submerged vegetation self-healing.Select the stronger kind of spring and summer detergent power
Potamogeton malaianus, eel grass, small najas marina and watermifoil, are planted in the ratio of 2:2:1:4, are formed using watermifoil as sociales
High warm season submerged plant purification systems.Low temperature season submerged vegetation be maintain the winter self-purification of water main body, and promote the coming year
The necessary condition in spring and summer submerged vegetation self-healing.Selection is resisted cold small black in the kind that the autumn and winter can play catharsis
Algae, water caltrop and fennelleaf pondweed herb are planted in the ratio of 3:6:4, are formed using water caltrop as the low temperature season submerged plant of sociales
Purification systems.
11. kind of plant construction
After the plant for being suitable for by water, substrate sludge sampling detection chemical examination and selection, the plantation of Ying Jinhang plant is constructed, and mainly uses fork
Planting method, throwing method and container planting method are conducive to plant survival, growth.
(1) fork planting method: taking ship or bamboo raft, and the stem of plant is fixed with fork, is inserted into substrate 3-5cm.This method is suitable
It is suitable for the submerged plant to grow thickly, such as black algae, Haloragidaceae Myriophyllum spicatum, comb tooth bog pondweed, water quality grass；In addition, can also be more plants of Dan Sheng
Plantation will such as plant after 5-6 plants of eel grass bindings, and the stem of fixed submerged plant is inserted into bed mud 3-5cm, by the root of submerged plant
System or rhizome are fixed in bed mud.The method scope of application is soft bed mud in 10cm or more, and depth of water 0.5-2.0m is even more deep
Water system (within 0.5 meter, construction personnel can directly plant the depth of water).Fork is bull fork, primary achievable 0.5m2Apply
The region of omission should be avoided in work area.
(2) throwing method: submerged plant planting throwing method includes direct throwing method and package throwing method.Direct throwing method: such as
Hornwort, water caltrop etc. can directly be thrown into water, are suitable for hydrostatic body, are unsuitable for current water, behind several days, these plant meetings
It slowly sinks under water, sprouts sprouting.It wraps up throwing method: with non-woven fabrics or rush bag package planting soil and plant root or seed, throwing
In cast-in water, root sinks under water, and grouts suitable for bottom or the water system without the development of soft bed mud, method itself there are not the depth of water
It requires, the submerged plant being applicable in includes hornwort, water caltrop, black algae, waterweed, potamogeton malaianus.
(3) container planting method: the submerged plant being applicable in is water caltrop and black algae, and submerged plant is first planted in nutritive cube
In, hook container with the rope of buckle to plant growth to 10-15 cm, slowly sink under water (sandstone building under water
Shape, on the slope of ridges and peaks).Separately there are outstanding bag planting method, heavy bag planting method etc., mainly brood body is fitted into bag, is placed on hard
Matter revetment or the bottom of pond of hardening of cement.
12. maintenance
Maintenance includes the control of waters water level and the control of water quality.The control height of waters water level should be with the life of submerged plant
Long speed is adapted；Fluctuation of water table range will control within the amplitude that submerged plant is born, and long-time water level is excessively high to be will lead to
Submerged plant is dead, and water level is too low to make submerged plant expose the surface by burning day and insect pest invasion, and if bed mud is exposed, it is heavy to will lead to
Water plant is dead due to dehydration.The control of water quality includes the deleting of submerged plant, clear up and after-culture, water quality need to keep
It is consistent when with submerged plant planting, it is not recommended that apply fertilizer to submerged plant.The submerged plant too fast for the speed of growth, grows the water surface
When influencing landscape, should manually it be salvaged or machine cut；For the dead strain to emerge, should remove in time；Removal water body table in time
The plant in face and non-purpose submerged plant；After-culture is carried out for what survival rate cannot reach design requirement, after-culture method is same
Implantation methods.Maintenance measure further includes the dispensing of aquatic animal, should be carried out after submerged plant growth is gradually luxuriant, to improve water
The ecosystem；The setting of quarantine measures, for preventing herbivorous fishes and aquatic bird from excessively invading.
The present invention is transformed water-bed landform according to detail design, forms underwater paddy, gully, mound, peak etc., is " underwater gloomy
Basis is done in the construction of woods ".Algivorous insect is introduced, guarantees that submerged plant possesses sufficient illumination.The choosing of " submerged forest " building plant
Selecting mainly has eel grass, black algae, watermifoil, water caltrop, potamogeton malaianus etc., and plant subregion suitable density plantation, the existing high warm season plants
Object, Ye Youdi warm-season plant, the collocation of high warm-season plant are potamogeton malaianus 2: eel grass 2: small najas marina: 1: fox-brush: and 4, low temperature season is
Small black algae 3: water caltrop 6: fennelleaf pondweed herb 4.Submerged plant planting construction: it is planted using the methods of fork planting method, throwing method
Plant construction, the influence for overcoming waters to grow by unstable factors such as pH value, temperature, undercurrents to submerged plant planting.Stormy waves is larger
Waters, wave eliminating band is rationally set, influence of the stormy waves to construction plantation is eliminated.The waters of hard bed mud, is first arranged wave eliminating band, changes
Under change, middle layer flow velocity, flow direction and reduce stormy waves, then heap become silted up, kind planting submerged plant.
Complete aquatic ecosystem is constructed by the above technology, realize aqueous bio self-cleaning and keeps water stabilization, is realized
The Ecosystem Service of landscape water body, while landscape water body being made to reach low cost and long-acting sustainability.The engineering control phase terminates
Following target goals can be realized with maintenance phase water body:
(1) water quality objective: main water quality indicator dissolved oxygen, ammonia nitrogen, permanganate index, total phosphorus must reach after engineering control
And it keeps standardizing defined III class water quality standard；
(2) sense organ target: the clear face of project water body water is clean, transparency be not less than 2.0 meters, less than 2.0 meters at so clear that you can see the bottom, comprehensive structure
Build " careless type clear water state " water body；
(3) it self-purification capacity target: realizes the good coverage rate of water body submerged plant (>=80%), constructs the Ecology of balance and stability
Self-cleaning system；
(4) system stability target: " submerged forest " ecosystem of building gives full play to the self-purification capacity of the ecosystem, real
The characteristics of existing water circulation regeneration, self-regeneration, four seasons water stabilization；
(5) water system landscape is promoted: being made graceful " submerged forest " and water surface landscape by reasonable disposition and construction, is made for water body
The environmental health environment that a kind of water plant is long, and swimming fish plays is provided for Recreational places.
The use of the technologies such as water plant throwing planting method, fork planting method, container planting method, can satisfy different water bodys
The construction of environment, and safe, reliable, efficient, hence it is evident that shorten the construction period and shorten nursery stock to kind of a phase, surviving for nursery stock can be improved
Rate.Using the unrestrained alms bowl setting wave eliminating band that disappears, influence of the stormy waves to the submerged plant of plantation can be effectively prevented, survival rate is improved.Waters
The use of setting-out technique improves the accuracy of setting-out and correctly grasps plantation progress and planting range, and after completion, submerged plant can
It plays absorption, digestion water nutrition, promote the functions such as silt.
Algivorous insect is introduced, landform regulation, plant subregion and collocation submerged plant is carried out, launches aquatic animal, construct water body
In submerged forest ecological self-purification system and biological chain, can purifying water body, bed mud, improve ecological condition.Aquatic ecosystem is net
Change ability is stablized, and the circulatory system is complete, and ecological benefits are significant.
Provided with high warm season and low temperature season submerged plant, can avoid in the effect of four seasons performance purifying water body because of season
Variation cause water quality obvious fluctuation occur.Graceful " submerged forest " and water surface scape are made by reasonable disposition and construction
It sees, provides the environmental health environment that a kind of water plant is long, swimming fish plays as Recreational places for water body.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. river corridor restoration system construction method, characterized in that include:
Substrate improvement activation: bed mud is carried out after bed mud sanitized and activates work, establishes beneficial microbe system；
Algivorous insect adds: launching algivorous insect using the putting mode that oxygenation bag directly enters water；
Mima type microrelief building: water-bed landform is constructed using planting soil, sandstone；
Submerged plant subregion: submerged plant subregion is carried out according to water depth；
Submerged plant planting and maintenance.
2. river corridor restoration system construction method according to claim 1, characterized in that it further include soft enclosure setting,
Including gabion production, steel pipe cutting, line setting, beat steel-pipe pile, installation separation net.
3. river corridor restoration system construction method according to claim 1, characterized in that be directed to relative closure, hydrodynamic(al)
Hypodynamic river, setting floating pump aeration system promote the dissolved oxygen in water body；Aeration system construction includes fixed point unwrapping wire, beats
Steel-pipe pile, installation host and operation debugging.
4. river corridor restoration system construction method according to claim 1, characterized in that further include fixed point unwrapping wire: right
It plants waters and planting range is determined using waters setting-out stake setting-out according to Planting Design figure, kinds of planting and range
And shape.
5. river corridor restoration system construction method according to claim 1, characterized in that bed mud disinfection uses Chinese herbal medicine
Disinfectant；Bed mud activation carries out carbon containing using photosynthetic bacteria, beneficial to actinomyces and beneficial to the mixed microorganism flora of bacillus
Organic matter, phosphorous and sulfur material decomposition carry out point of nitrogen substance using nitrobacteria and denitrifier mixed microorganism flora
Solution.
6. river corridor restoration system construction method according to claim 1, characterized in that planting soil using bed mud,
Fine sand, soil moved in improve the original and peat are made according to mass ratio 5:1:3:1；Using sandstone building paddy, gully, mound and peak shape, is formed and be suitble to
The natural habitat of plant growth.
7. river corridor restoration system construction method according to claim 1, characterized in that after mima type microrelief building, for
The biggish waters of stormy waves, using disappearing, wave eliminating band is arranged in unrestrained alms bowl；The unrestrained alms bowl that disappears includes bowl, packing material and emergent aquactic plant module, alms bowl
It is distributed water flow exchange hole by fixed angle on wall, filling gravel, rubble, soil cinder mixed layer and cobble, which are used as, inside bowl fills out
Material is filled, plants emergent aquactic plant on packing material.
8. river corridor restoration system construction method according to claim 1, characterized in that submerged plant subregion is by shallowly extremely
It is divided into emergent aquactic plant area, Gao Wenji submerged plant area and water plant area, three, low temperature season submerged plant area deeply.
9. river corridor restoration system construction method according to claim 1, characterized in that the plantation of submerged plant uses
Fork planting method, throwing method and container planting method.
10. river corridor restoration system construction method according to claim 1, characterized in that submerged plant, which conserves, includes
The control of waters water level and the control of water quality；The control height of waters water level should mutually be fitted with the speed of growth of submerged plant
Match；The control of water quality includes the deleting of submerged plant, is cleared up and after-culture.
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