CN110156176A - A kind of compound river bioreactor system, construction method and application - Google Patents
A kind of compound river bioreactor system, construction method and application Download PDFInfo
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- CN110156176A CN110156176A CN201910543774.1A CN201910543774A CN110156176A CN 110156176 A CN110156176 A CN 110156176A CN 201910543774 A CN201910543774 A CN 201910543774A CN 110156176 A CN110156176 A CN 110156176A
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000002955 isolation Methods 0.000 claims abstract description 35
- 238000012856 packing Methods 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 abstract description 10
- 239000000203 mixture Substances 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 description 67
- 230000000694 effects Effects 0.000 description 7
- 230000004083 survival effect Effects 0.000 description 7
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000011490 mineral wool Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- RAFZYSUICBQABU-HMMYKYKNSA-N Phytal Chemical compound CC(C)CCCC(C)CCCC(C)CCC\C(C)=C\C=O RAFZYSUICBQABU-HMMYKYKNSA-N 0.000 description 2
- RAFZYSUICBQABU-QYLFUYDXSA-N Phytal Natural products CC(C)CCC[C@@H](C)CCC[C@@H](C)CCC\C(C)=C/C=O RAFZYSUICBQABU-QYLFUYDXSA-N 0.000 description 2
- 240000001085 Trapa natans Species 0.000 description 2
- 241001123263 Zostera Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- UZVHFVZFNXBMQJ-UHFFFAOYSA-N butalbital Chemical compound CC(C)CC1(CC=C)C(=O)NC(=O)NC1=O UZVHFVZFNXBMQJ-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- RAFZYSUICBQABU-UHFFFAOYSA-N phytenal Natural products CC(C)CCCC(C)CCCC(C)CCCC(C)=CC=O RAFZYSUICBQABU-UHFFFAOYSA-N 0.000 description 2
- 235000009165 saligot Nutrition 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 244000205574 Acorus calamus Species 0.000 description 1
- 235000011996 Calamus deerratus Nutrition 0.000 description 1
- 244000052355 Hydrilla verticillata Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 240000004590 Potamogeton malaianus Species 0.000 description 1
- 240000001398 Typha domingensis Species 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 244000172196 cinnamonspot pondweed Species 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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- 229910052698 phosphorus Inorganic materials 0.000 description 1
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- 230000029553 photosynthesis Effects 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Revetment (AREA)
Abstract
A kind of compound river bioreactor system, construction method and application, including biomembrane net cage, biofilm packing band is arranged in biomembrane net cage, equipped with water plant blanket at the top of biomembrane net cage, water plant Tan Shang planting aquatic plants group, the isolation strip component of the composition relative closure such as biomembrane net cage, aquatic vegetation, biofilm packing band, multiple isolation strip component spacing parallel arrangings are horizontally installed on composition isolation strip in river, and isolation strip and submerged plant tape alternation are distributed to form river bioreactor system.A kind of compound river bioreactor system provided by the invention, is greatly improved riverway water quality purification function.
Description
Technical field
The present invention relates to a kind of compound river bioreactor systems, belong to Ecology purification and recovery technique field.
Background technique
, using floating bed as carrier currently, common river bioreactor mainly has two forms: 1), hanging below floating bed；
2) it, based on metal framework, is installed under the water surface.The first there are later maintenance trouble, be easy by water currents, influence
The disadvantages of flood control function, bad landscape function, by certain query, and the second way can overcome or part overcomes these to lack
Point shows preferable application prospect.
But above two river bioreactor is without solving following problems: 1), for sewage treatment plant tail water
For the heavily contaminated river at main water source, there are typical carbon nitrogen unbalance, carbon source deficiency can not only significantly reduce denitrification work
With, influence the removal of total nitrogen, but also will affect other heterotroph functional microorganisms abundance and activity, reduce its purify function
Energy；2), reactor generally landscape effect in river is bad, it is difficult to meet requirement of the city dweller to River Landscape effect.
Water plant is the important component of aquatic ecosystem, the planting and recovery of water plant in aquatic ecosystem
Have great importance to the purification function for promoting water body, nitrogen, phosphorus in water body not only can be directly absorbed and utilized in water plant
The nutrients such as element；And root system can provide good carrier to purify the attachment of microorganism, promote the shape of microbial film
At.In addition, water plant also have the function of it is good secrete oxygen, the dissolved oxygen environment of root system and water body can be improved, promote nitrification
It carries out, reduces water body and black smelly risk occurs；And the approach such as water plant can be secreted by root system, leaching and Residue decay,
Organic carbon source is provided to aquatic ecosystem, promotes the progress of denitrification.But the concentration of aquatic plant residues is decomposed and is easy
Cause secondary pollution, the yellow contamination phenomenons such as general occurs.
The planting and recovery of water plant are the important contents that the aquatic ecosystems such as river are administered and repaired, still, for
The more serious urban hard river of pollution situation, the especially depth of water are greater than the river of 1.5m, the recovery difficulty of water plant compared with
Phenomena such as water plant survival rate of height, planting is lower or is easy to appear fast decay.Statistics discovery, most of depth of water are greater than
The city river of 1.5m, the difficult main restrictive factor of water plant survival is the depth of water: for submerged plant, excessively high water
Cause Underwater Optical according to deficiency deeply, the algae of blade surface attachment and silt can further deteriorate the luminous environment of submerged plant in addition,
So that submerged plant, which is in, is near or below leaf photosynthesis compensation point, it is caused to be difficult to survive;For emergent aquactic plant, water
The high depth of water can prevent blade from growing the water surface in time or growing that water surface fraction is too low, reduce the light of water plant entirety
Closing efficiency reduces its survival rate so that water plant growing way is weaker.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of compound river bioreactor system, construction method and
Using, solve conventional river by heavily contaminated cause bioreactor carbon source lack or the city depth of water > 1.5m after river water plant
Survival rate is lower or aquatic plant residues decomposition in phytal zone causes secondary pollution problems.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of compound river bioreactor system construction method, comprising the following steps:
Step 1) constructs biomembrane net cage in bottom of river channel, aquatic vegetation is constructed on biomembrane net cage top, in biomembrane
Biofilm packing band is carried inside net cage, the isolation formed by the aquatic vegetation on upper layer and the biofilm packing band of lower layer
Band component；
Isolation strip component is spaced installation, the isolation strip of formation in river bed by step 2 in groups；
Isolation strip is spaced apart by step 3) along channel length direction, and open area river bed constructs heavy water and plants between adjacent insulation strips
Object band；Water plant-microbial film integration system is formed by aquatic vegetation, biofilm packing band and submerged plant band
System.
Biomembrane net cage in the step 1) is frame structure, and frame structure matches with river width；Frame structure
Upper end be lower than 0.2 m-0.8m of the water surface, frame structure lower end by strengthening mechanism be fixed on riverbed bottom and river bed holding between
Every.
The installation of biofilm packing band in the step 1) the following steps are included:
A), the interval punching on the frame of biomembrane net cage upper and lower part, transversely, longitudinally pulls out wire, ultimately forms steel wire
Net, the sizing grid of steel wire are 10-15cm.
B), a biofilm packing band is fastened in each intersection point of top and the bottom steel wire, is consequently formed and is installed on river bottom
The river reactor body structure in portion.
Water plant blanket is installed on biomembrane net cage top in the step 1), specifically includes the following steps:
C), circumferentially-spaced vertical columns at the top of biomembrane net cage；
D), using net cage top upright post as main support, using water penetration continuous yarn non-woven fabrics as material, it is stitched into mesh bag, and by mesh bag
It is fixed on the column at the top of net cage；
E), non-woven bag is filled using bed mud and handstone as main stuffing, and aquatic vegetation is planted in matrix；
Isolation strip component is transversely mounted on river, adjacent insulation strips with 10-20 for one group of formation isolation strip in the step 2
Spacing is 25-35cm between component, and spacing is 10-20m between adjacent insulation strips.
In step 3) submerged plant band building the following steps are included:
F), after water plant is formed at the top of net cage, water transparency is increased, when the ratio of the depth of water and water transparency is small
When 2.5, start kind of a plant for planting submerged plant band；
G), submerged plant blanket is prepared, when submerged plant height 5-20cm high, planting is in isolation interband clearance position.
A kind of compound river bioreactor system, the isolation strip being distributed in river including alternate intervals, heavy water are planted
Object band, isolation strip are made of multiple groups isolation strip component, and each isolation strip component includes the biomembrane net for being fixed on bottom of river channel
Case, biomembrane net cage top construct aquatic vegetation, carry biofilm packing band inside biomembrane net cage.
A kind of compound river bioreactor system, especially suitable for hardening, 6 m-12m of width, depth of water 1.5-
2.5m, flow velocity < 0.2m/s urban small river.
A kind of compound river bioreactor system of the present invention, construction method and application, have following technical effect that
1) aquatic vegetation (heavy water or emergent aquactic plant), is distributed at the top of biomembrane net cage, can be mentioned using aquatic vegetation
High water transparency, the planting for profundal zone submerged plant band provide condition；So as in profundal zone kind planting submerged plant.Pass through
Water plant is set, and water plant also plays in addition to purification function and provides carbon source, functional microorganism in increase system for microorganism
Abundance and active effect, to strengthen aquatic ecosystem purification function；By the way that biofilm packing band is arranged, filled out using biomembrane
The biggish surface area of material strip increases purification bacterial abundance, and then improves riverway water quality purification function, reduces aquatic plant residues
Decompose the secondary pollution risk caused.In conclusion by the integrated apparatus and river of shoaling layer water plant and biomembrane net cage
Bottom submerged plant forms water plant-microbial film integral system, plays water plant for carbon, microbial film purification collaboration effect
It answers, strengthened purification efficiency, thus can also form a preferable conscience circulation, final purification water quality improves water body.
2), by setting biomembrane net cage, increase water plant planting height using biomembrane net cage, more than 1.5 meters
Deep water type river in increase water plant survival rate, water plant can promote water transparency at the top of net cage, sink water for river bed
The survival of plant creates condition.
3) water plant that different cultivars, can be planted by biomembrane net cage top, can increase ornamental value significantly.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is arrangement schematic diagram of the present invention in river.
Fig. 2 is biomembrane net cage main view in the present invention.
Fig. 3 is that (part biological film packing belt only uses lines table in figure for the structural schematic diagram of biomembrane net cage in the present invention
Show).
In figure: biomembrane net cage 1, aquatic vegetation 2, isolation strip component 3, submerged plant band 4, isolation strip 5, biomembrane
Packing belt 6, strengthening mechanism 7, wire 8, vertical columns 9, mesh bag 10, bed mud 11, handstone 12.
Specific embodiment
As shown in Figure 1-3, a kind of compound river bioreactor system, construction method and application, are applied to Zhengzhou City
Zhongyuan District Jialuhe River 2# overfall dam lower reache, the water body for river water body BOD/COD less than 0.3.
Including biomembrane net cage 1, arrange that biofilm packing band 6, biofilm packing band 6 are filled out for elasticity in biomembrane net cage 1
Material or compounded mix, equipped with water plant blanket, water plant Tan Shang planting aquatic plants group 2 is raw at biomembrane net cage 1 top
Object film net cage 1, aquatic vegetation 2, biofilm packing band 6 etc. form the isolation strip component 3 of relative closure, multiple isolation strip groups
3 spacing parallel arranging of part is horizontally installed on composition isolation strip 5 in river, and isolation strip 5 and submerged plant band 4 are alternately distributed to form river life
Object reactor assembly.
Specifically, the biomembrane net cage 1 is to be welded to form cuboid framework structure by 40 type angle steel, biomembrane net cage 1
Close to river width (i.e. 6 m -12 m), occurrence can make the appropriate adjustments length according to river bed configuration.Biomembrane net cage
Height be advisable with 1.0m-1.6m, occurrence can depending on river water depth, but as far as possible guarantee net cage body top be lower than
Water surface about 0.2m-0.8m or so.Net cage width is 1 m or so.Each biomembrane net cage is in addition to triangular supports (strengthening mechanism
7) it is fixed on outside river bed, need to further drive piles fixation.
Installation to biofilm packing band 6 for convenience, can be on the angle steel of biomembrane net cage upper and lower part every 10cm-
15cm makes a call to a diameter about 0.5cm round hole, pulls out the about 6-9 of wire 8 root, shape along angle steel punch position vertical and horizontal interval
The steel wire for being 10cm-15cm at sizing grid, fastens an elastic filler band or composite filling band in each grid four corners,
Form the river reactor body structure for being installed on bottom of river channel.
Biofilm packing on the biofilm packing band 6 is elastic filler or composite filling, and elastic filler specification is with Φ
150 encryption silks or double encrypted silk filler are advisable, and composite filling specification is advisable with Φ 150 or 180 type of Φ.
The triangular supports (strengthening mechanism 7) of the biomembrane net cage bottom installation 0.5m-1.0m long, make biomembrane net
Bottom portion is from bed mud about 20cm when case is mounted on river.
Aquatic vegetation 2 is constructed above biomembrane net cage 1 for convenience, is arranged on 1 top of biomembrane net cage aquatic
Plant blanket.The building of water plant blanket specifically includes the following steps:
1), angle steel is every about 30cm welding one root long about 15cm angle steel (vertical columns 9) first at the top of biomembrane net cage, with saturating
Aqueous continuous yarn non-woven fabrics are material, the suture growth a height of 1*1*0.1m of * wide *3Rectangular-shape mesh bag 10, mesh bag 10 is fixed on
On vertical columns 9 at the top of net cage.
2), then using agricultural rock wool, skinning bed mud and handstone as main stuffing, above-mentioned mesh bag is filled, and by aquatic plant
Species are planted in above-mentioned matrix.
Preferably, aquatic vegetation is best using preparatory training method, i.e., mineral wool block is placed on phytal zone, glass jar
Or ground (periodically watering) is cultivated, and (is highly 5-20cm), by mineral wool block together with water plant after water plant survival
Biomembrane net cage top is moved to, then covers one layer of bed mud and handstone on rock wool.
Here the group that water plant blanket can be formed for emergent aquactic plant such as reed, cattail, calamus, or is submerged plant
The group of formation, such as eel grass, p.malaianus, hydrilla verticillata, water caltrop.Consider safety problem, water plant blanket is submerged plant
Based on, or using kind mode between submerged plant and emergent aquactic plant (emergent aquactic plant block is S-shaped).
The above-mentioned isolation strip component 3 being made of biomembrane net cage 1, aquatic vegetation 2, biofilm packing band 6 etc. is with 6-
10 are one group, are transversely mounted on formation isolation strip 5 in river, and the spacing between adjacent insulation strips component 3 is 30cm or so, phase
Spacing between adjacent isolation strip 5 is 10-20m.
After aquatic vegetation is formed at the top of the net cage, water transparency is increased, when the depth of water and water transparency
When ratio is less than 2.5, kind of a planting submerged plant can be started in 5 interval region of adjacent insulation strips.
Submerged plant planting mode is advisable in a manner of submerged plant blanket: previously prepared submerged plant blanket, to submerged plant height
When spending 5-20cm high, planting clearance position between the group of biomembrane net cage.Consider the stability of river water quality, submerged plant class
The selection criteria of type are as follows: cold-season-type submerged plant (such as water caltrop) and warm season submerged plant (such as eel grass, black algae, bog pondweed) are with 1:
Kind is advisable between 1.
A kind of compound river bioreactor system is suitable for hardening (two sides or three face hardenings are applicable in), width
Spend 6 m-12m, 1.5 m -2.5m of the depth of water, flow velocity < 0.2m/s urban small water quality heavily contaminated type river.With sewage treatment
Plant tail water is effect highly significant in the river at main water source.
Claims (8)
1. a kind of compound river bioreactor system construction method, it is characterised in that: the following steps are included:
Step 1) constructs biomembrane net cage (1) in bottom of river channel, constructs aquatic vegetation on biomembrane net cage (1) top
(2), biofilm packing band (6) are carried inside the biomembrane net cage (1), passes through the aquatic vegetation (2) on upper layer and lower layer
Biofilm packing band (6) forms isolation strip component (3)；
Isolation strip component (3) is spaced installation, the isolation strip (5) of formation in river bed by step 2 in groups；
Isolation strip (5) are spaced apart by step 3) along channel length direction, open area river bed building between adjacent insulation strips (5)
Submerged plant band (4)；Aquatic plant is formed by aquatic vegetation (2), biofilm packing band (6) and submerged plant band (4)
Object-microbial film integral system.
2. a kind of compound river bioreactor system construction method according to claim 1, it is characterised in that: described
Biomembrane net cage (1) in step 1) is frame structure, and frame structure matches with river width；Frame structure upper end is lower than water
0.2 m-0.8m of face, frame structure lower end are fixed on riverbed bottom by strengthening mechanism (7) and keep being spaced with river bed.
3. a kind of compound river bioreactor system construction method according to claim 1, it is characterised in that: described
The installation of biofilm packing band (6) in step 1) the following steps are included:
A, the interval punching on the frame of biomembrane net cage (1) upper and lower part, transversely, longitudinally pulls out wire (8), most end form
At steel wire, the sizing grid of steel wire is 10-15cm；
B, a biofilm packing band (6) is fastened in each intersection point of top and the bottom steel wire, is consequently formed and is installed on bottom of river channel
River reactor body structure.
4. a kind of compound river bioreactor system construction method according to claim 1, it is characterised in that: described
Water plant blanket is installed on biomembrane net cage (1) top in step 1), specifically includes the following steps:
C, circumferentially-spaced vertical columns (9) at the top of biomembrane net cage (1)；
It d, is that main support is stitched into mesh bag (10) using water penetration continuous yarn non-woven fabrics as material with net cage (1) top upright post (9),
And on the column (9) that mesh bag (10) is fixed at the top of net cage；
It e, is that main stuffing fills non-woven bag (10), and aquatic vegetation (2) are planted with bed mud (11) and handstone (12)
It plants in matrix.
5. a kind of compound river bioreactor system construction method according to claim 1, it is characterised in that: institute
It states in step 2 isolation strip component (3) and is transversely mounted on river, adjacent insulation strips with 10-20 for one group of formation isolation strip (5)
Spacing is 25-35cm between component (3), and spacing is 10-20m between adjacent insulation strips (5).
6. a kind of compound river bioreactor system construction method according to claim 1, it is characterised in that: step
3) in submerged plant band (4) building the following steps are included:
F, after water plant (2) is formed at the top of net cage, water transparency is increased, when the ratio of the depth of water and water transparency
When less than 2.5, start kind of a plant for planting submerged plant band (4)；
G, submerged plant blanket, when submerged plant height 5-20cm high, planting clearance position between isolation strip (5) are prepared.
7. a kind of compound river of compound river bioreactor system construction method building described in -6 according to claim 1
Road bioreactor system, it is characterised in that: isolation strip (5) in river, submerged plant band are distributed in including alternate intervals
(4), isolation strip (5) are made of multiple groups isolation strip component (3), and each isolation strip component (3) includes being fixed on bottom of river channel
Biomembrane net cage (1), biomembrane net cage (1) top construct aquatic vegetation (2), and biology is carried inside biomembrane net cage (1)
Film packing belt (6).
8. a kind of compound river bioreactor system according to claim 7, it is characterised in that: especially suitable for hard
Matter, 6 m-12m of width, depth of water 1.5-2.5m, flow velocity < 0.2m/s urban small river.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713263A (en) * | 2019-10-09 | 2020-01-21 | 武汉益生泉生物科技开发有限责任公司 | Method for constructing ecological riverbed by using artificial biomembrane |
| CN112005770A (en) * | 2020-09-09 | 2020-12-01 | 广州和源生态科技发展股份有限公司 | Torrent type river submerged plant solid planting device and solid planting method |
| CN112919638A (en) * | 2021-02-01 | 2021-06-08 | 岭南生态文旅股份有限公司 | Modular aquatic plant multi-layer community construction system |
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Application publication date: 20190823 |