CN206395932U - One kind is used for city river water body biology in situ restoration of the ecosystem integrated system - Google Patents
One kind is used for city river water body biology in situ restoration of the ecosystem integrated system Download PDFInfo
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- CN206395932U CN206395932U CN201621294703.0U CN201621294703U CN206395932U CN 206395932 U CN206395932 U CN 206395932U CN 201621294703 U CN201621294703 U CN 201621294703U CN 206395932 U CN206395932 U CN 206395932U
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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
- 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
Abstract
The utility model is related to for city river water body biology in situ restoration of the ecosystem integrated system, effectively solve to prevent river cross-section water body not up to standard and aquatic ecosystem destruction, so as to the problem of lifting landscape effect, near-nature forest riparian buffer strips have been built from the section two sides in upstream to downstream, in section residing for near-nature forest riparian buffer strips pretreatment unit is disposed with from upstream to downstream, first biological floating bed unit, first ecological filter dam unit, water plant unit, second biological floating bed unit, second ecological filter dam unit, biomembrane strengthened purification unit including plug-flow aeration unit, habitat improves unit and aquatile functional group builds area, described near-nature forest riparian buffer strips are by the sewage collecting tank by riverbank, the slope type ecological filter bed being connected with sewage collecting tank and the gabion bank protection and vegetation composition that are in contact with river, the utility model need not take the land area beyond river course, treatment effect is stable, do not influence river course flood, lift landscape effect.
Description
Technical field
The utility model is related to environmental protection, particularly a kind of to be used for the integrated system of city river water body biology in situ restoration of the ecosystem
System.
Background technology
In recent years, with the rapid development of economy, the thing followed is exactly the excessive exploitation of water resource, various industry
Waste water, the discharge of rural sewage and city domestic sewage bring severe contamination, so that cause most of water quality of river to deteriorate, river
The ecosystem is also by destruction.Especially northern China water quality of river allows of no optimist, and is on the one hand that amount of pollutant is received in river
Larger, main pollution source is the industrial wastewater and sanitary sewage discharged along the river, and river polluting status is tight for a long time in addition
Weight, river course is high by Human disturbance degree, causes river Ecology seriously to be degenerated, water body self-purification ability is weak, industrialization, urbanization band
The disposal of pollutants come and intensive agricultural non-point source pollution superposition, mixed type polluted river feature are particularly evident.On the other hand it is portion
Divide river limited in one's ability due to lacking natural runoff, water body dilution self-cleansing, river physical feature fades away, bio-diversity subtracts
Less, Ecosystem Service reduction, stream self-purification and the reduction of self-recovery ability, partial rivers Ecology is degenerated seriously, aquatic
The problems such as state system damage is difficult to recover in a short time again increasingly highlights.
At present, northern river training works, emphasis is to cut the engineerings such as dirt, desilting, shore protection, water transfer diversion, greening, in a short time
The pollution of river can be solved the problems, such as, but is cured the symptoms, not the disease, water body self-purification ability cannot be lifted for a long time, the aquatic life in river
State system is on the contrary by destruction, and Ecology function cannot be recovered.
River water body biology in situ ecological reestablishment is study hotspot in current Water Ecological Recovery, is also development trend institute
Its advantage is that with high treating effect, no floor space, cost are low, reduced investment, simple to operate.Polluted river water is ecological
Purification techniques huge number, various technologies are widely used.But be often that single water body is former in technical research and engineering practice
The implementation of position biological and ecological recovery technique, its functional requirement is also single.Just improve water quality, recover aquatic ecosystem aspect,
The improvement of polluted river lacks unified, more perfect Integration ofTechnology system.
Utility model content
For above-mentioned situation, to overcome the defect of prior art, the purpose of the utility model, which is just to provide one kind, is used for city
City's river water body biology in situ restoration of the ecosystem integrated system, can effectively solve to prevent river cross-section water body not up to standard and Aquatic Ecosystem 2
System destruction, so that the problem of lifting landscape effect.
The technical scheme that the utility model is solved is to have built near-nature forest riverbank buffering from the section two sides in upstream to downstream
Be disposed with pretreatment unit from upstream to downstream in band, the section residing for near-nature forest riparian buffer strips, it is first biological floating bed
Unit, the first ecological filter dam unit, water plant unit, the second biological floating bed unit, the second ecological filter dam unit including plug-flow
Biomembrane strengthened purification unit, habitat including aeration unit improve unit and aquatile functional group builds area, and described is near
Natural riparian buffer strips are the slope type ecological filter bed and and river being connected by the sewage collecting tank by riverbank, with sewage collecting tank
The gabion bank protection and vegetation composition of aqueous phase contact, by vegetation and sewage collecting tank retention and the diafiltration of slope type ecological filter bed,
Riparian buffer strips retention pollution of area source effect is added using the effect of plant, matrix and microorganism, prevents erosion, strengthens
Stream self-purification ability, improves landscape effect；
Described pretreatment unit is by unhurried current settling zone and in the floating plant or submerged plant of the plantation of unhurried current settling zone
And the emergent aquactic plant composition on unhurried current settling zone bank is planted in, when water plant of the upland water by unhurried current settling zone, prolong
The long river hydropexis time, slow down suspended particulate substance, degradation of contaminant in river flow velocity, sedimentation river, build miniature pool ecosystem
System, promotes the stabilization of whole river ecosystem, is conducive to follow-up Ecology to purify；
Described the first biological floating bed unit, the second biological floating bed unit are the water plants planted in floating bed and outstanding
The carrier filler for hanging over floating bed bottom is constituted；
The ecological filter dam unit of described first, the second ecological filter dam unit are mixed by particle diameter 20-50mm gravel, zeolite
Close the internal layer that is made, particle diameter for 100-1000mm stone doped with particle diameter 10-30mm scum, activated carbon be mixed it is outer
Layer piles up composition, and upstream face slope is than 1 ︰ 3, and back side slope is than 1 ︰ 2, and back side side slope is in step type, in favor of drop reoxygenation；
Described biomembrane strengthened purification unit is by plant bionic carrier and immobilization filler caisson is alternate is arranged in river
Constituted in road, plant bionic carrier is fixed on river bottom mud, and immobilization filler caisson is placed on 0.5m below the absolute altitude of river bed, it is raw
Plug-flow aeration unit, to bottom water reoxygenation, the collaboration through Liang Zhong difference in functionalitys area are set at the 1/3 of thing film strengthened purification unit
Effect, constantly reciprocal anaerobic/anoxic/aerobic layer microbial activities area, effectively removes removal organic polluter, realize simultaneous denitrification,
Dephosphorization function, realizes the strengthened purification of micro- polluted river water to greatest extent, is aerated by the reoxygenation that drops, plug-flow so that water
Body forms anaerobic- anoxic- oxic environment repeatedly in purification process, absorbs and makees in combination with matrix absorption and water plant
With efficient removal of the realization to water pollutant；
Described habitat, which improves unit, includes deep trouth-shoal, weir-Gravels, and upstream is deep trouth-shoal, and downstream is weir-gravel
Shi Qun, both spacing distances are 0.5-1km, and water plant is interspersed between deep trouth-shoal and weir-Gravels, in polluted-water
After purification, include flow velocity, water level by changing local microenvironment, improve the living environment of aquatile；
It is by emergent aquactic plant, submerged plant, floatingleaved plant, fluitante group that described aquatile functional group, which builds area,
And Aquatic Animal Community is constituted, with aquatic ecosystem of getting well so that water environmental function gets a promotion, species diversity is improved
Property.
River water body purified in situ technology, habitat improving environment and aquatile functional group are built skill by the utility model
Art organically combines, by being arranged in river course upstream and downstream, and power consumption is few, without taking the land area beyond river course,
Treatment effect is stable, does not influence river course flood, solves that river cross-section water body is not up to standard and aquatic ecosystem destruction, lifts landscape
Effect, there is huge economic and social benefit.
Brief description of the drawings
Fig. 1 is structure top view of the present utility model.
Fig. 2 is structural profile side view of the present utility model.
Fig. 3 is near-nature forest riparian buffer strips profile of the present utility model.
Fig. 4 is biological floating bed structure chart of the present utility model.
Fig. 5 is ecological filter dam structure chart of the present utility model.
Fig. 6 is immobilization filler caisset figure of the present utility model.
Embodiment
Embodiment of the present utility model is elaborated below in conjunction with accompanying drawing.
As shown in Fig. 1-6, the utility model has built near-nature forest riparian buffer strips 1 from the section two sides in upstream to downstream,
In section residing for near-nature forest riparian buffer strips 1 pretreatment unit 2, the first biological floating bed list are disposed with from upstream to downstream
First 3a, the first ecological filter dam unit 4a, water plant unit 5, the second biological floating bed unit 3b, the second ecological filter dam unit 4b,
Biomembrane strengthened purification unit 7 including plug-flow aeration unit 6, habitat improves unit 8 and water plant functional areas 9, institute
The near-nature forest riparian buffer strips 1 stated are the slope type ecologicals being connected by the sewage collecting tank 10 by riverbank, with sewage collecting tank 10
Filter bed 11 and the gabion bank protection being in contact with river and vegetation 12 are constituted, and pass through vegetation and sewage collecting tank retention and ramp type
Ecological filter bed diafiltration, adds riparian buffer strips retention pollution of area source effect using the effect of plant, matrix and microorganism, prevents
Only soil erosion, enhances stream self-purification ability, improves landscape effect；
Described pretreatment unit is by unhurried current settling zone and in the floating plant or submerged plant of the plantation of unhurried current settling zone
And the emergent aquactic plant composition on unhurried current settling zone bank is planted in, when water plant of the upland water by unhurried current settling zone, prolong
The long river hydropexis time, slow down suspended particulate substance, degradation of contaminant in river flow velocity, sedimentation river, build miniature pool ecosystem
System, promotes the stabilization of whole river ecosystem, is conducive to follow-up Ecology to purify；
Described the first biological floating bed unit 3a, the second biological floating bed unit 3b is the water plant planted in floating bed
13 are constituted with the carrier filler 14 for being suspended on floating bed bottom；
Described first ecological filter dam unit 4a, the second ecological filter dam unit 4b are gravel by particle diameter 20-50mm, boiling
The internal layer that stone is mixed, particle diameter is mixed for 100-1000mm stone doped with particle diameter 10-30mm scum, activated carbon
Outer layer pile up composition, upstream face slope is than 1 ︰ 3, and back side slope is than 1 ︰ 2, and back side side slope is in step type, in favor of drop reoxygenation；
Described biomembrane strengthened purification unit 7 is by plant bionic carrier 15 and the alternate arrangement of immobilization filler caisson 16
Constituted in river course, plant bionic carrier 15 is fixed on river bottom mud, immobilization filler caisson 16 be placed on river bed absolute altitude with
Lower 0.5m, biomembrane strengthened purification unit 1/3 at plug-flow aeration unit 6 is set, to bottom water reoxygenation, through two kinds of different work(
The synergy in energy area, constantly reciprocal anaerobic/anoxic/aerobic layer microbial activities area, effectively removes removal organic polluter, realizes
Simultaneous denitrification, dephosphorization function, realize the strengthened purification of micro- polluted river water to greatest extent, are exposed by the reoxygenation that drops, plug-flow
Gas so that water body forms anaerobic- anoxic- oxic environment repeatedly in purification process, is adsorbed and aquatic in combination with matrix
Plant absorption is acted on, and realizes the efficient removal to water pollutant；
Described habitat, which improves unit 8, includes deep trouth-shoal, weir-Gravels, and upstream is deep trouth-shoal, downstream be weir-
Gravels, both spacing distances are 0.5-1km, and water plant is interspersed between deep trouth-shoal and weir-Gravels, in contaminant water
After body purification, include flow velocity, water level by changing local microenvironment, improve the living environment of aquatile；
It is by emergent aquactic plant, submerged plant, floatingleaved plant, fluitante group that described aquatile functional group, which builds area 9,
Fall and Aquatic Animal Community is constituted, with aquatic ecosystem of getting well so that water environmental function gets a promotion, improve species diversity
Property.
The described lower floor of slope type ecological filter bed 11 is that gravel layer, middle level are that overburden layer, upper strata are vegetable layer, described plant
Constituted for arbor, shrub, herbaceous plant and water plant.
Described arbor is cinnamomum camphora, Henan Chinese juniper, willow, lacebark pine, Chinese scholar tree or cypress, and shrub is short crape myrtle, hydrangea, tea
Plum, Chinese tamarisk, cercis, gold leaf common bluebeard or honeysuckle, herbaceous plant are Bermuda grass, rye grass, Festuca Arundinacea or vetiver.
Described emergent aquactic plant is the good reed of stain resistance, cattail, canna, Siberian iris, the one of yellow flag
Plant or mixed planting；Described submerged plant is eel grass, hornwort, water caltrop, hydrilla verticillata, one kind of spike watermifoil or mixing
Plantation.
Described immobilization filler caisson 16 is that the stereo-elastic filled with easy to be filmed is filled out in the cavity being made up of wire netting
Expect polyethylene ball, and constituted mixed with sponge iron, filling rate is 50-60%, beneficial to denitrogenation, dephosphorization.
Described plug-flow aeration unit 6 is made up of many plug-flow aerators, to bottom water reoxygenation.
The deep groove shape that described habitat improves in unit 8 is the inverted ellipse similar to self-assembling formation after river degradation
Taper, the wide about 5-6m of upper mouth, length is about 7-9m, upper mouth above width be gradually amplified to whole riverbed Nature Link,
Part is no more than whole river course excessively stream region 1/3 is excavated, deep trouth depth is 0.5-0.7m, the earthwork material that deep trouth 1 is dug out
The left side in river course is deposited in, shoal is built, laying cobble is divided in shoal, and particle diameter is 30-50mm, is highly 0.3m, width is than deep
Groove width 25%, overall to tilt 3 ° to the left, the upstream face gradient is higher than the back side gradient.
Described habitat improves weir-Gravels in unit 8, and weir is the ecological weir of semicircle arch form that timber is constituted, and vault is high
Spend for 0.5m, both sides are highly 1m, weir upstream face and bottom use particle diameter for 20-50mm cobble, and Gravels select surface thick
Rough and porous lime stone, Black Warrior stone, granite or cobblestone, gravel diameter is 0.5 ~ 1m irregular big corner angle gravel, and
Close discharge gravel can be engaged closely, and one group of Gravels is made up of 3 ~ 4 blocks of gravels, and the spacing between Gravels is 3m, habitat
Improve unit 8 and change river water fluidised form by local, improve aquatile living environment, provided for aquatile and perch field
Institute.
Monomer size biological floating bed described the first biological floating bed unit 3a, the second biological floating bed unit 3b be long 2m,
Wide 1m, is distributed in river course both sides, is arranged at ecological filter dam upstream 50m.
The utility model is a kind of for city river water body biology in situ restoration of the ecosystem skill it can be seen from said structure
Art integrated system, it is characterised in that from river course upstream to downstream, including pretreatment, river water body home position strengthening are purified, habitat changes
The units such as kind, aquatile functional group structure, near-nature forest riparian buffer strips unit is main to be built in river course two sides without hardening section.
1. near-nature forest riparian buffer strips cell formation " vegetation-sewage collecting tank-slope type ecological filter bed-gabion shield
The near-nature forest riparian buffer strips on slope ", by vegetation and sewage collecting tank retention and the diafiltration of slope type ecological filter bed, utilize plant
Thing, matrix and the effect of microorganism add riparian buffer strips retention pollution of area source effect, prevent erosion, enhance river
Self-purification capacity.
2. pretreatment unit, including unhurried current precipitation and water plant, plantation emergent aquactic plant, heavy water in unhurried current settling zone
Plant and floating plant, emergent aquactic plant are planted in unhurried current settling zone bank.Upland water prolongs by unhurried current precipitation/water plant
The long river hydropexis time, slow down suspended particulate substance, degradation of contaminant in river flow velocity, sedimentation river, build miniature pool ecosystem
System, promotes the stabilization of whole river ecosystem, is conducive to follow-up Ecology to purify.
3. river water body home position strengthening clean unit, sets according to upstream to downstream, is biological floating bed first, is arranged on
Before firsts and seconds ecology filter dam at 50m, water plant structure, including net dirty ability are carried out between firsts and seconds ecology filter dam
Strong emergent aquactic plant and submerged plant.Followed by the biomembrane strengthened purification including plug-flow aeration.By the unit, realize
Water course in situ water ecology purify, water quality be improved significantly.
Preferably, biological floating bed Plant choosing canna, yellow flag, three kinds of resistant plants of giantreed；
Preferably, floating bed lower suspension carrier filler is 3 D elastic filler, and 3 D elastic filler uses polyethylene
The high resiliency long filament being made is spherical.
Preferably, water plant includes emergent aquactic plant and submerged plant, the preferable reed of emergent aquactic plant selection resistance to soiling, perfume (or spice)
Pu, canna, Siberian iris, yellow flag, submerged plant select common eel grass, hornwort, water caltrop, hydrilla verticillata, fringe
Shape watermifoil.
Preferably, ecological filter dam selection gravel, zeolite and block stone（Doped with scum, activated carbon）Pile up and form, form tool
There is water penetration.
Preferably, biomembrane strengthened purification, is combined by bionical carrier and immobilization filling-material structure, both alternate arrangements
In river course, by the synergy in Liang Zhong difference in functionalitys area, the retention and microbial degradation of pollutant can be achieved in lamination process
Double action, reaches two-way biomembrane purification effect, the strengthened purification of micro- polluted river water is realized to greatest extent.Biomembrane
One group of plug-flow aerating system is set at the 1/3 of strengthened purification area, using many plug-flow aerators, to bottom water reoxygenation.
4. habitat improves unit, including deep trouth-shoal, weir-Gravels and water plant, upstream is deep trouth-shoal, under
Swim as weir-Gravels, both spacing distances about 0.5-1km, water plant is interspersed between deep trouth-shoal and weir-Gravels, it is main
Plant emergent aquactic plant, submerged plant.By the structure of the unit, changing local microenvironment includes flow velocity, water level etc., improves water
Biological living environment.
5. described in aquatile functional group construction unit, mainly carry out the groups such as water plant, zoobenthos and fish
The recovery fallen is built so that water environmental function gets a promotion.
The utility model will build that the water surface is wider in specific implementation, and the region section of sluggish flow is particularly suitable for use in dirt
Water quality of river COD concentration about 45 ~ 55mg/L are contaminated, ammonia nitrogen concentration is about 3 ~ 6mg/L, and TP is 0.5-0.8mg/L section, upstream
That comes is stained after the preprocessed unit of river, and biological floating bed, ecological filter dam, water plant, plug-flow aeration unit, life are flowed through successively
Thing film strengthened purification unit, habitat improvement unit and aquatile functional group structure area, processing of the polluted-water Jing Guo each unit,
Water quality is effectively improved, while improving aquatile living environment.Aquatile functional group builds and will adapted to by habitat
Property assess, build aquatile functional group, the floating leaf-fluitante group of water-heavy water-, base endured according to the rationally plantation of depth of water situation
Built in phytobiocoenose and habitat is provided, build the aquatile functional group of different mode（Water plant-fish-bottom is dwelt life
Thing）, the biology of each stratum of food chain under Different habitats is configured, reasonable disposition recovers the large-scale aquatic animals such as fish, crab, shrimp,
The benthonic Aquatic Animal Community such as freshwater mussel, spiral shell, water earthworm, constructs inter-species and mutually promotees and health, stable biotic population and group.Most
Get well eventually aquatic ecosystem, improve species diversity.
River water body COD, ammonia nitrogen and total phosphorus concentration after being repaired by the utility model are substantially reduced, while improving water
Raw habitable environment, ornamental hydrophyte is restored.Pollution of area source is intercepted using near-nature forest riverbank tape cell, water is prevented
Soil is lost in, and improves landscape effect；Pretreatment unit includes unhurried current precipitation and water plant, and carrying out suspension to upland water sinks
Drop and slow down flow rate of water flow；River water body home position strengthening clean unit include biological floating bed, water plant, multi-stage ecological filter dam,
Plug-flow aeration, biomembrane strengthened purification etc., so that by the collective effect of plant-matrix-microorganism, effectively remove has in water body
Organic pollutants matter, nitrogen, phosphorus etc.；Habitat, which improves unit, includes deep trouth-shoal, weir-Gravels, mainly improves aquatile existence
Environment；Aquatile functional group construction unit is mainly the community hights such as progress water plant, zoobenthos and fish.In part
Section configures water plant, effectively the suspension in interception water body, the pollutant such as nitrogen, phosphorus in removal water body.This practicality is new
The integrated multinomial river water body biology in situ ecological reestablishment of type, constitutes complete biological and ecological cleaning system, realizes urban river water
Matter improves and aquatic ecosystem recovers.Strong with high treating effect, nitrogen phosphorus ligands ability, no floor space, cost are low, investment
Save, it is simple to operate, do not influence flood control, it is adaptable to contaminated urban river.
The utility model compared with prior art, with advantageous effects following prominent：
1. many technologies only consider the water environment pollution factor, not accounted for after water correction using blindly following the wind, aquatic
The recovery of state system, one kind of the present utility model is used for city river water body biology in situ ecological reestablishment integrated system, from
Purification of water quality improves to habitat arrives the recovery of aquatile functional group again, while improving landscape effect, forms more unified, complete
Kind Integration ofTechnology system, with reproducibility.
2. by the engineering construction of river water body biology in situ ecological reestablishment integrated system, water pollution can be realized
Thing cuts down COD 30-45%, ammonia nitrogen 50-70%, total phosphorus 20-40%.
3. improve aquatile living environment, provide habitat for aquatile, built by aquatile functional group
Formed and there is inter-species mutually rush and health, stable biological function group, recovered river health, realize species diversity, improve river
Flow utilization rate 30-40%.It is the big innovation on polluted river water is administered, economic and social benefit is huge.
Claims (9)
1. one kind is used for city river water body biology in situ restoration of the ecosystem integrated system, it is characterised in that from upstream to downstream
Near-nature forest riparian buffer strips have been built in section two sides（1）, near-nature forest riparian buffer strips（1）From upstream to downstream in residing section
It is disposed with pretreatment unit（2）, the first biological floating bed unit（3a）, the first ecological filter dam unit（4a）, water plant it is single
Member（5）, the second biological floating bed unit（3b）, the second ecological filter dam unit（4b）Including plug-flow aeration unit（6）Biology inside
Film strengthened purification unit（7）, habitat improves unit（8）Area is built with aquatile functional group（9）, described near-nature forest riverbank is delayed
Rush band（1）It is by the sewage collecting tank by riverbank（10）With sewage collecting tank（10）Connected slope type ecological filter bed（11）With
And the gabion bank protection being in contact with river and vegetation（12）Constitute, filtered by vegetation and sewage collecting tank retention and slope type ecological
The diafiltration of bed, adds riparian buffer strips retention pollution of area source effect using the effect of plant, matrix and microorganism, prevents water and soil
It is lost in, enhances stream self-purification ability, improves landscape effect；
Described pretreatment unit be by unhurried current settling zone and unhurried current settling zone plantation floating plant or submerged plant and
The emergent aquactic plant for being planted in unhurried current settling zone bank is constituted；
The first described biological floating bed unit（3a）, the second biological floating bed unit（3b）It is the water plant planted in floating bed
（13）With the carrier filler for being suspended on floating bed bottom（14）Constitute；
The ecological filter dam unit of described first（4a）, the second ecological filter dam unit（4b）Be by particle diameter 20-50mm gravel, boiling
The internal layer that stone is mixed, particle diameter is mixed for 100-1000mm stone doped with particle diameter 10-30mm scum, activated carbon
Outer layer pile up composition, upstream face slope is than 1 ︰ 3, and back side slope is than 1 ︰ 2, and back side side slope is in step type；
Described biomembrane strengthened purification unit（7）It is by plant bionic carrier（15）With immobilization filler caisson（16）Alternate cloth
Put and constituted in river course, plant bionic carrier（15）It is fixed on river bottom mud, immobilization filler caisson（16）It is placed on river bed
0.5m below absolute altitude, biomembrane strengthened purification unit 1/3 at set plug-flow aeration unit（6）；
Described habitat improves unit（8）Including deep trouth-shoal, weir-Gravels, upstream is deep trouth-shoal, and downstream is weir-gravel
Shi Qun, both spacing distances are 0.5-1km, and water plant is interspersed between deep trouth-shoal and weir-Gravels；
Described aquatile functional group builds area（9）It is by emergent aquactic plant, submerged plant, floatingleaved plant, fluitante group
And Aquatic Animal Community is constituted.
2. according to claim 1 be used for city river water body biology in situ restoration of the ecosystem integrated system, it is characterised in that
Described slope type ecological filter bed（11）Lower floor is that gravel layer, middle level are that overburden layer, upper strata are vegetable layer, and described vegetation is Qiao
Wood, shrub, herbaceous plant and water plant are constituted.
3. according to claim 2 be used for city river water body biology in situ restoration of the ecosystem integrated system, it is characterised in that
Described arbor be cinnamomum camphora, Henan Chinese juniper, willow, lacebark pine, Chinese scholar tree or cypress, shrub be short crape myrtle, hydrangea, tea plum, Chinese tamarisk,
Cercis, gold leaf common bluebeard or honeysuckle, herbaceous plant are Bermuda grass, rye grass, Festuca Arundinacea or vetiver.
4. according to claim 1 be used for city river water body biology in situ restoration of the ecosystem integrated system, it is characterised in that
Described emergent aquactic plant is good reed, cattail, canna, Siberian iris, one kind of yellow flag or the mixing of stain resistance
Plantation；Described submerged plant is eel grass, hornwort, water caltrop, hydrilla verticillata, one kind of spike watermifoil or mixed planting.
5. according to claim 1 be used for city river water body biology in situ restoration of the ecosystem integrated system, it is characterised in that
Described immobilization filler caisson（16）It is the poly- second of 3 D elastic filler that easy to be filmed is filled with the cavity being made up of wire netting
Alkene ball, and constituted mixed with sponge iron, filling rate is 50-60%.
6. according to claim 1 be used for city river water body biology in situ restoration of the ecosystem integrated system, it is characterised in that
Described plug-flow aeration unit（6）It is to be made up of many plug-flow aerators, to bottom water reoxygenation.
7. according to claim 1 be used for city river water body biology in situ restoration of the ecosystem integrated system, it is characterised in that
Described habitat improves unit（8）In deep groove shape be similar to self-assembling formation after river degradation inverted elliptic conic shape,
The wide 5-6m of upper mouth, length is 7-9m, upper mouth above width be gradually amplified to whole riverbed Nature Link, excavate part not
More than the 1/3 of whole river course excessively stream region, deep trouth depth is 0.5-0.7m, and the earthwork placing of material that deep trouth 1 is dug out is in river course
Left side, build shoal, shoal divides laying cobble, particle diameter is 30-50mm, is highly 0.3m, and width is wider than deep trouth by 25%, whole
Body tilts 3 ° to the left, and the upstream face gradient is higher than the back side gradient.
8. according to claim 1 be used for city river water body biology in situ restoration of the ecosystem integrated system, it is characterised in that
Described habitat improves unit（8）In weir-Gravels, weir is the ecological weir of semicircle arch form that timber is constituted, and spring of arch is
0.5m, both sides are highly 1m, and weir upstream face and bottom use particle diameter for 20-50mm cobble, Gravels select rough surface and
Porous lime stone, Black Warrior stone, granite or cobblestone, gravel diameter is 0.5 ~ 1m irregular big corner angle gravel, and close
Discharge gravel can be engaged closely, and one group of Gravels is made up of 3 ~ 4 blocks of gravels, and the spacing between Gravels is 3m.
9. according to claim 1 be used for city river water body biology in situ restoration of the ecosystem integrated system, it is characterised in that
The first described biological floating bed unit（3a）, the second biological floating bed unit（3b）Biological floating bed monomer size be long 2m, width 1m,
River course both sides is distributed in, is arranged at ecological filter dam upstream 50m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107892448A (en) * | 2017-12-20 | 2018-04-10 | 广州太和水生态科技有限公司 | River course comprehensive treatment system |
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| CN110240277A (en) * | 2018-03-07 | 2019-09-17 | 上海勘测设计研究院有限公司 | Underwater topography structure for water ecology reparation |
| CN108383247A (en) * | 2018-05-10 | 2018-08-10 | 珠海市清川环保科技有限公司 | A kind of ecology caisson |
| CN111945852A (en) * | 2018-09-20 | 2020-11-17 | 金恩升 | Supporting vegetation buffer zone in sponge city |
| CN111945852B (en) * | 2018-09-20 | 2021-11-12 | 北京乾景园林规划设计有限公司 | Supporting vegetation buffer zone in sponge city |
| CN109231472A (en) * | 2018-11-02 | 2019-01-18 | 中国矿业大学 | City and the regulation of periphery high ground-water level sinking land in coalmining areas landscape water body and ecological purification method |
| CN109295927A (en) * | 2018-11-19 | 2019-02-01 | 广东中联兴环保科技有限公司 | A kind of ecological canal for administering ion type rareearth mine in_situ leaching leachate |
| CN110467270A (en) * | 2019-09-12 | 2019-11-19 | 中铁四局集团有限公司 | A kind of Riparian Zone Ecosystem restoration system and its method of operation |
| CN110482709A (en) * | 2019-09-23 | 2019-11-22 | 江苏省农业科学院 | Dynamic governance structure and method before combined pollution type branch creek water body converges |
| CN112499910A (en) * | 2020-12-18 | 2021-03-16 | 长春工程学院 | Near-natural ecological weir and construction method thereof |
| CN113582345A (en) * | 2021-06-18 | 2021-11-02 | 中交上海航道局有限公司 | Ecological infiltration dam capable of being used for improving tail water quality of sewage treatment plant and use method |
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