CN113896327A - River course water ecological remediation system - Google Patents
River course water ecological remediation system Download PDFInfo
- Publication number
- CN113896327A CN113896327A CN202111250016.4A CN202111250016A CN113896327A CN 113896327 A CN113896327 A CN 113896327A CN 202111250016 A CN202111250016 A CN 202111250016A CN 113896327 A CN113896327 A CN 113896327A
- Authority
- CN
- China
- Prior art keywords
- floating island
- river
- ecological
- river water
- water body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 238000005067 remediation Methods 0.000 title claims description 4
- 241000196324 Embryophyta Species 0.000 claims abstract description 38
- 230000000813 microbial effect Effects 0.000 claims abstract description 31
- 238000005273 aeration Methods 0.000 claims abstract description 24
- 239000001963 growth medium Substances 0.000 claims abstract description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 14
- 239000004917 carbon fiber Substances 0.000 claims abstract description 14
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 12
- 241000209504 Poaceae Species 0.000 claims abstract description 5
- 239000000969 carrier Substances 0.000 claims abstract description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 16
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 12
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 10
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 8
- 239000011780 sodium chloride Substances 0.000 claims description 8
- 108010061397 Ammonia monooxygenase Proteins 0.000 claims description 7
- 241000228212 Aspergillus Species 0.000 claims description 7
- 241000193422 Bacillus lentus Species 0.000 claims description 7
- 241000194108 Bacillus licheniformis Species 0.000 claims description 7
- 241000194107 Bacillus megaterium Species 0.000 claims description 7
- 244000063299 Bacillus subtilis Species 0.000 claims description 7
- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 7
- 241000604933 Bdellovibrio Species 0.000 claims description 7
- 240000001046 Lactobacillus acidophilus Species 0.000 claims description 7
- 235000013956 Lactobacillus acidophilus Nutrition 0.000 claims description 7
- 108010074633 Mixed Function Oxygenases Proteins 0.000 claims description 7
- 102000008109 Mixed Function Oxygenases Human genes 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 7
- 229910052736 halogen Inorganic materials 0.000 claims description 7
- 229940039695 lactobacillus acidophilus Drugs 0.000 claims description 7
- 108010009977 methane monooxygenase Proteins 0.000 claims description 7
- 241001446247 uncultured actinomycete Species 0.000 claims description 7
- 102000004190 Enzymes Human genes 0.000 claims description 6
- 108090000790 Enzymes Proteins 0.000 claims description 6
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 6
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 6
- 238000005276 aerator Methods 0.000 claims description 6
- 235000019270 ammonium chloride Nutrition 0.000 claims description 6
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 6
- 239000008103 glucose Substances 0.000 claims description 6
- 239000001632 sodium acetate Substances 0.000 claims description 6
- 235000017281 sodium acetate Nutrition 0.000 claims description 6
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000010802 sludge Substances 0.000 claims description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 4
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 2
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 244000005700 microbiome Species 0.000 abstract description 10
- 239000002689 soil Substances 0.000 abstract description 4
- 230000002195 synergetic effect Effects 0.000 abstract description 4
- 241000894006 Bacteria Species 0.000 description 7
- 239000002131 composite material Substances 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002068 microbial inoculum Substances 0.000 description 5
- 240000002853 Nelumbo nucifera Species 0.000 description 4
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 4
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000036284 oxygen consumption Effects 0.000 description 4
- 241000894007 species Species 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 241000195493 Cryptophyta Species 0.000 description 3
- 206010021143 Hypoxia Diseases 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 235000005273 Canna coccinea Nutrition 0.000 description 2
- 240000008555 Canna flaccida Species 0.000 description 2
- 241000498251 Hydrilla Species 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 229910017917 NH4 Cl Inorganic materials 0.000 description 2
- 241000209490 Nymphaea Species 0.000 description 2
- 235000016791 Nymphaea odorata subsp odorata Nutrition 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 241001647091 Saxifraga granulata Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000000554 iris Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 241000756137 Hemerocallis Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000264279 Sargassum fusiforme Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
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
- C02F3/02—Aerobic processes
-
- 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
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to the technical field of ecological restoration, and discloses a riverway water body ecological restoration system which comprises a riverway and a riverway water body, wherein an aeration device is arranged at the bottom of the riverway, at least one ecological floating island is arranged on the riverway water body, aquatic plants are planted on the ecological floating island, carbon fiber grasses serving as microbial strain carriers are arranged at the bottom of the ecological floating island, and a special culture medium for the growth and the propagation of microbial strains is thrown into the riverway water body. According to the ecological restoration system for the river water body, provided by the invention, the aquatic plants are planted on the ecological floating island, the carbon fiber grass is arranged at the bottom of the ecological floating island and is used as a carrier of microorganism strains, the special culture medium is put into the water body, and meanwhile, the aeration device is arranged at the bottom of the river, so that indigenous microorganisms in the soil at the bottom can be activated, the synergistic effect of water plants, microorganisms in water and indigenous microorganisms in bottom mud is realized, the three-dimensional treatment effect is formed, and the treatment efficiency is improved.
Description
Technical Field
The invention relates to the technical field of ecological restoration, in particular to a riverway water body ecological restoration system.
Background
With the rapid development of economy, the acceleration of urbanization process and the rise of industry, factory, agricultural and domestic sewage on both sides of a river are directly discharged without treatment, so that the water quality of the river is deteriorated, and even seasonal and perennial water body black and odorous phenomena occur. Therefore, improving the water quality of the river and recovering the ecosystem and social functions of the river are one of the key tasks to be solved urgently in the process of urban sustainable development.
The current conventional river surge treatment methods mainly comprise: sewage pipe network cuts dirty, machinery desilting, adds flocculating agent, simply puts in microbial inoculum, however these methods all have the shortcoming: due to the complex arrangement of the underground pipe connecting network, the phenomenon that sewage is discharged into a river due to the misconnection and the missing connection of the pipe network cannot be avoided; the mechanical dredging engineering has large quantity and high cost, the sludge is difficult to dispose, and secondary pollution can be generated due to improper disposal. The micro-toxicity of the chemical flocculant can affect the river ecological system; most of the current microbial agents are directly put in water and dispersed in the water, no carrier is attached to the water, the microbial agents are easy to run off along with the water, and the best repairing effect is difficult to achieve. Therefore, an integrated ecological restoration technology is urgently needed to achieve the purposes of fundamentally improving water quality and improving self-purification capacity of water bodies by improving basic environment, restoring aquatic plants and constructing a benign circulating water ecosystem.
Disclosure of Invention
In order to solve the technical problems, the invention provides a riverway water body ecological restoration system, which realizes the synergistic effect of water plants, microbes in water and soil microbes in bottom mud, forms a three-dimensional treatment effect and improves the treatment efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a river course water ecological remediation system, includes river course and river course water, the bottom in river course is equipped with aeration equipment, be equipped with at least one ecological chinampa on the river course water, it has aquatic plant to plant on the ecological chinampa, the bottom of ecological chinampa is equipped with the carbon fiber grass as the microbial srain carrier, throw the special culture medium that supplies the microbial srain to grow in the river course water and breed the usefulness.
Preferably, the ecological floating island is formed by splicing a plurality of floating island units, a plurality of planting baskets for planting aquatic plants are arranged in each floating island unit, and hooks for hanging the carbon fiber grass are arranged at the bottom of each floating island unit.
Preferably, the floating island units are spliced by connecting plates, the floating island units are polygonal, connecting holes are formed in the middle point and two ends of each side of each floating island unit, connecting columns are arranged on the connecting plates corresponding to the connecting holes, and the connecting columns are inserted into the connecting holes.
Preferably, a clamping seat is arranged on the floating island unit, a buckle is arranged on the planting basket, and the buckle is clamped with the clamping seat.
Preferably, the adding amount of the microbial strains is 0.01 percent of the total water amount of the river water body, and the microbial strains comprise bacillus licheniformis, bacillus subtilis, bacillus lentus, bdellovibrio, bacillus megaterium, aspergillus actinomycete, lactobacillus acidophilus and a biological enzyme preparation.
Preferably, the biological enzyme preparation comprises methane monooxygenase, ammonia monooxygenase, halogen hydrolase and alkyl monooxygenase, and the mass ratio of bacillus licheniformis, bacillus subtilis, bacillus lentus, bdellovibrio, bacillus megaterium, aspergillus actinomycete, lactobacillus acidophilus, methane monooxygenase, ammonia monooxygenase, halogen hydrolase and alkyl monooxygenase is 1:1:3:1:3:1:1:2:2:2: 3.
Preferably, the microbial strains are supplemented and added into the river water body 1-2 times every year, and the adding amount is 0.005-0.007% of the total water amount of the river water body.
Preferably, the volume ratio of the adding amount of the special culture medium to the adding amount of the microbial strains is 1: 10-20.
Preferably, the special culture medium comprises ammonium chloride, sodium bicarbonate, dipotassium hydrogen phosphate, sodium acetate, magnesium chloride, sodium chloride, glucose and distilled water, and the mass ratio of the special culture medium is as follows: ammonium chloride: sodium bicarbonate: dipotassium hydrogen phosphate: sodium acetate: magnesium chloride: sodium chloride: glucose: distilled water 14:21:30:33:8:40:180: 19670.
Preferably, the aeration device comprises an aerator and a plurality of aeration pipes communicated with the aerator, the aeration pipes cross the river channel and are uniformly distributed along the upper part of the sludge at the bottom of the river channel, and the interval between every two adjacent aeration pipes is 8-12 meters.
Compared with the prior art, the river water body ecological restoration system provided by the embodiment of the invention has the beneficial effects that: an artificial plant floating bed is formed by planting aquatic plants on the ecological floating island; the carbon fiber grass is arranged at the bottom of the ecological floating island and is used as a carrier of microbial strains, and a special culture medium is put in the water body, so that the microbial strains have huge attachment surface areas and cannot run off with water, and the rapid growth and propagation of the microbial strains are also ensured; meanwhile, the aeration device is arranged at the bottom of the river channel, so that indigenous microbes in the soil at the bottom can be activated, the synergistic effect of water plants, microbes in water and indigenous microbes in bottom mud is realized, the three-dimensional treatment effect is formed, and the treatment efficiency is improved. The invention has simple operation, simple structure, good use effect and easy popularization and use.
Drawings
Fig. 1 is a schematic structural diagram of the ecological restoration system for river water body of the invention.
Wherein: 1-river channel, 2-river channel water body, 3-aeration pipe, 4-ecological floating island, 41-floating island unit, 42-connecting plate, 43-planting blue, 5-aquatic plant, 6-carbon fiber grass and 7-hook.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, the river water ecological restoration system according to the preferred embodiment of the present invention includes a river 1 and a river water 2, an aeration device is disposed at the bottom of the river 1, at least one ecological floating island 4 is disposed on the river water 2, aquatic plants 5 are planted on the ecological floating island 4, carbon fiber grasses 6 serving as carriers of microbial strains are disposed at the bottom of the ecological floating island 4, and the carbon fiber grasses 6 are bio-compatible modified carbon fiber grasses, and have characteristics of large specific surface area, uniform and fine pore size distribution, strong adsorption capacity, and high biocompatibility. Meanwhile, the modified carbon fiber grass 6 also has the characteristics of light unit mass, high stability, high mechanical strength, environmental friendliness and the like, can achieve the aim of saving engineering investment and operating cost, and has remarkable economic benefit. And a special culture medium for the growth and reproduction of microbial strains is put into the river water body 2.
According to the riverway water body ecological restoration system based on the technical characteristics, the artificial plant floating bed is formed by planting the aquatic plants 5 on the ecological floating island 4; the carbon fiber grass 6 is arranged at the bottom of the ecological floating island 4 and is used as a carrier of microbial strains, and a special culture medium is put in a water body, so that the microbial strains have huge attachment surface areas and cannot run off with water, and the rapid growth and propagation of the microbial strains are also ensured; simultaneously, the aeration device is arranged at the bottom of the river channel 1, so that indigenous microbes in the soil at the bottom can be activated, the synergistic effect of water plants, microbes in water and indigenous microbes in bottom mud is realized, the three-dimensional treatment effect is formed, and the treatment efficiency is improved. The invention has simple operation, simple structure, good use effect and easy popularization and use.
In this embodiment, the ecological floating island 4 is formed by splicing a plurality of floating island units 41, each floating island unit 41 is provided with a plurality of planting baskets 43 used for planting the aquatic plants 5, specifically, the floating island unit 41 is provided with a clamping seat, the planting baskets 43 are provided with buckles, the buckles are clamped with the clamping seats, the planting is facilitated, and the floating island units 41 are connected with the 43. The planting basket 43 is filled with a substrate for fixing the roots of the aquatic plants 5, so that the aquatic plants are upright and cannot fall down and be taken away by wind and waves. Preferably, the light ceramsite is selected as the substrate, so that the substrate not only can play a role in fixing the aquatic plants 5, but also has the functions of adsorbing microorganisms and resisting algae.
Meanwhile, the aquatic plant 5 should integrate natural landscape and landscaping under the premise of meeting the function of adjusting urban water resources and purifying water quality as a sponge body, and provide a place for the public to be close, feel and experience nature. The design and configuration of the aquatic plants 5 in the water landscape also can make the ecology and landscape be the same. The following four-point design principles will be followed: grasping the overall pattern of aquatic plant configuration according to different water body or wetland types and substrate environments thereof; pertinently configuring according to different themes and landscape requirements; the unique landscape aesthetic value is embodied, and the landscape effect of the aquatic plant community is emphasized; and fourthly, fully considering the surrounding environmental factors of the water area to ensure that the whole of the embankment, the water surface landscape and the ecological system are consistent.
The following landscape plants are one of the collocation modes of the three-in-one biological floating island in the invention: 4 canna, irises, saxifrage and watermifera with flower color and leaf color; the emergent aquatic plants comprise deep water type ornamental lotus, relish flower and floral leaf reed; the floating-leaf plants comprise: 3 kinds of water lily and royal lotus; the submerged plants comprise: the watermifoil is prepared from Sargassum fusiforme, hydrilla verticillata and Malaysia malabarica. The planting density is 80-100 square meters per square plant. The number, the types, the species, the planting density and the like of the plants can be adjusted according to the requirements of river regulation.
The bottom of the floating island unit 41 is provided with a hook 7 for hanging the carbon fiber grass 6, and the carbon fiber grass 6 can be directly hung on the hook 7. Meanwhile, in order to facilitate the installation of the hook 7 and ensure the strength of the floating island unit 41, a grid mesh is arranged at the bottom of the floating island unit 41, and the hook 7 is arranged on the grid mesh.
In this embodiment, the floating island units 41 are spliced by the connecting plates 42, and the floating island units 41 are polygonal, preferably hexagonal. Connecting holes are formed in the middle point and the two ends of each edge of the floating island unit, connecting columns are arranged on the connecting plates 42 corresponding to the connecting holes and are inserted into the connecting holes, the floating island unit 41 is directly connected with the connecting plates 42 during connection, and operation is simple. Therefore, in practical use, the ecological floating islands 4 can be used alone or in combination with each other, and when the ecological floating islands are connected with each other, only one of the sides of the floating island unit 41 needs to be spliced with the floating island unit 41 of another ecological floating island 4 through the connecting plate 42, so that flexible operation according to field conditions is facilitated, and large-scale modular production is facilitated.
Hypoxia is a common characteristic of contaminated water, especially in polluted river waters. The basis of the oxygen deficiency of the water body is oxygen consumption/reoxygenation unbalance, namely the oxygen consumption rate of the water body exceeds the reoxygenation rate. According to the water type, the oxygen consumption characteristics of pollutants and the environmental conditions, the oxygen deficiency of the water has different space-time distribution and expression forms. Oxygen is a living matter of the water body, the oxygen consumption/reoxygenation balance of the water body is recovered, the dissolved oxygen content of the water body is improved, good growth conditions are provided for aerobic microorganisms and some protozoa eating algae, the appearance and the continuous development of an aerobic biological system are facilitated, and the biological diversity of a river channel is increased.
The invention uses the micro-aeration system, does not roll the bottom mud and can not provide enough oxygen for the composite specific microorganism to proliferate under the condition that the rolling state appears on the surface of the river, so that the micro-aeration system can purify the water quality efficiently and continuously. Specifically, the aeration device comprises an aerator and a plurality of aeration pipes 3 communicated with the aerator, wherein the aeration pipes 3 span the river channel 1 and are uniformly distributed above sludge at the bottom of the river channel, the interval between every two adjacent aeration pipes 3 is 8-12 meters, such as 10 meters, the aeration pipes 3 are made of PVC materials, the inner diameter is DN25, and the aeration amount is determined according to the field condition.
The microbial strains adopted by the invention are composite efficient purifying microbial agents: the microorganism is a promoter of substance circulation in biogeochemical circulation, the microorganism restoration technology develops rapidly in recent years, not only can treat the water quality problem in the water ecological management process, but also can help the water environment to restore and restore the water ecological function, and has no secondary pollution, strong biological purification capacity and sustainable management effect, thus becoming an effective means for solving the problem of complex environmental pollution with good economic and environmental benefits.
Combining laboratory culture dish cultivation and pilot plant experiments, combining and optimizing the ratio of multiple strains according to the indexes of COD, ammonia nitrogen and total phosphorus in effluent to finally obtain a group of 'river treatment composite high-efficiency purification functional bacteria', which comprises the following species: bacillus licheniformis, Bacillus subtilis, Bacillus lentus, Bdellovibrio, Bacillus megaterium, Aspergillus actinomycete, and Lactobacillus acidophilus. According to the result of screening the high-efficiency combined functional bacteria, the special biological enzyme applied by the invention is methane monooxygenase, ammonia monooxygenase, halogen hydrolase and alkyl monooxygenase. And the mass ratio of the bacillus licheniformis, the bacillus subtilis, the bacillus lentus, the bdellovibrio, the bacillus megaterium, the aspergillus actinomycete, the lactobacillus acidophilus, the methane monooxygenase, the ammonia monooxygenase, the halogen hydrolase and the alkyl monooxygenase is 1:1:3:1: 1:2:2:2: 3.
Selection of special culture medium: after the species of the high-efficiency combined functional bacteria are determined, a special culture medium which is low in cost and easily available in raw materials is as follows:
ammonium chloride (NH4 Cl): sodium bicarbonate (NaHCO 3): dipotassium hydrogen phosphate (K2HPO 4): sodium acetate (CH3 COONa): magnesium chloride (MgCl 2): sodium chloride (NaCl): glucose (C6H12O 6): and (3) fully dissolving the distilled water (H2O) in 14:21:30:33:8:40:180:19670 to prepare the special culture medium matched with the river regulation composite high-efficiency purification functional bacteria.
A primary feeding mode: the adding amount of the microbial strains is 0.01% of the total water amount of the river water body, and meanwhile, the adding amount of the special culture medium is 1:10-20, such as 1:12, 1:15 and the like according to the volume ratio of the adding amount of the microbial strains to the adding amount of the microbial strains.
A supplementary feeding mode: according to the attachment condition of microorganisms on the bioaffinity type modified carbon fiber grass and various pollution indexes of the river channel, microbial strains and a special culture medium are added in a supplementing manner at a frequency of 1-2 times per year, and the adding amount of the microbial strains is 0.005-0.007% of the total water amount of the river channel to be treated.
The following description is given as an example of practical application:
the embodiment uses the above-mentioned composite high-efficiency purification functional bacteria for river regulation, which comprises the species: bacillus licheniformis, Bacillus subtilis, Bacillus lentus, Bdellovibrio, Bacillus megaterium, Aspergillus actinomycete, and Lactobacillus acidophilus. According to the result of screening the high-efficiency combined functional bacteria, the special biological enzyme applied by the invention is methane monooxygenase, ammonia monooxygenase, halogen hydrolase and alkyl monooxygenase.
The matched special culture medium: ammonium chloride (NH4 Cl): sodium bicarbonate (NaHCO 3): dipotassium hydrogen phosphate (K2HPO 4): sodium acetate (CH3 COONa): magnesium chloride (MgCl 2): sodium chloride (NaCl): glucose (C6H12O 6): and (3) fully dissolving the distilled water (H2O) in 14:21:30:33:8:40:180:19670 to prepare the special culture medium matched with the river regulation composite high-efficiency purification functional bacteria.
Selecting a small lake as an experimental area, wherein the experimental area is a V-type water body, and the water surface area is about 600m2The depth of water in the experimental area is 1.5-2.3m, and the depth of bottom mud is 1.1 m. Fixing six prepared floating island units into one group, placing ten groups of floating island unit combinations in total, and planting aquatic plants 5 on the matrix, wherein the aquatic plants are canna, irises daylily, saxifrage and watermifoil with four flower colors and leaf colors; the emergent aquatic plants comprise deep water type ornamental lotus, relish flower and floral leaf reed; the floating-leaf plants comprise: water lily and royal lotus of three colors; the submerged plants comprise: one or more of Foliumet algae, hydrilla verticillata, and Malaysia malabarica, with planting density of 90 strains/m2The amount of the added microbial inoculum is 0.01 percent of the total water amount of the experimental riverway 1, the addition amount of the special culture medium is 1:15 of the volume ratio of the microbial inoculum, and the experimental period is 1 year. After the operation for 10 days, the biofilm on the carbon fiber grass in the experimental area is formed, and the transparency of the water body is obviously improved; after 3 months, aquatic animals appear, particulate matters are obviously reduced, and the water quality is obviously improved; the adding amount of the supplemented microbial inoculum is 0.005 percent of the total water amount of the experimental river after the experiment is carried out for half a year, and the transparency of the water body is obviously improved by adding the supplemented microbial inoculum in a matched manner by a special culture medium; after 1 year, the water quality is obviously improved, various pollution indexes are reduced by more than 69%, a large amount of submerged plants and aquatic animals appear, the biological diversity is increased, and the improvement is realizedThe food chain, a stable ecosystem begins to develop. The results of the specific experiments are shown in table 1.
TABLE 1 average change in agricultural wastewater quality before and after experiment
| Item | TN mg/L | NH4 +-N mg/L | TP mg/L | CODMn mg/L | Transparency m |
| Before the experiment | 3.02 | 2.56 | 0.50 | 48.52 | 0.15 |
| Experiment 1 year | 0.83 | 0.55 | 0.15 | 11.13 | 0.6 |
| Removal rate% | 72.51 | 78.51 | 70.00 | 76.69 |
Experimental data can find out in last table that the ecological chinampa of this embodiment has better purifying effect to heavily polluting water quality of water, is a multi-functional ecological chinampa that purifying effect is very good, and ecological chinampa overall structure is stable, can not drift along with rivers.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a river course water ecological remediation system, includes river course and river course water, its characterized in that: the bottom of the river is provided with an aeration device, the river water body is provided with at least one ecological floating island, aquatic plants are planted on the ecological floating island, the bottom of the ecological floating island is provided with carbon fiber grasses serving as microbial strain carriers, and a special culture medium for the growth and reproduction of microbial strains is thrown in the river water body.
2. The ecological restoration system for river water bodies of claim 1, wherein: the ecological floating island is formed by splicing a plurality of floating island units, a plurality of planting baskets for planting aquatic plants are arranged in each floating island unit, and hooks for hanging the carbon fiber grass are arranged at the bottom of each floating island unit.
3. The ecological restoration system for river water bodies of claim 2, wherein: the floating island units are spliced by connecting plates, the floating island units are polygonal, connecting holes are formed in the middle point and the two ends of each side of each floating island unit, connecting columns are arranged on the connecting plates corresponding to the connecting holes, and the connecting columns are inserted into the connecting holes.
4. The ecological restoration system for river water bodies of claim 2, wherein: the floating island unit is provided with a clamping seat, the planting basket is provided with a buckle, and the buckle is clamped with the clamping seat.
5. The ecological restoration system for river water bodies of claim 1, wherein: the adding amount of the microbial strains is 0.01 percent of the total water amount of the river water body, and the microbial strains comprise bacillus licheniformis, bacillus subtilis, bacillus lentus, bdellovibrio, bacillus megaterium, aspergillus actinomycete, lactobacillus acidophilus and a biological enzyme preparation.
6. The ecological restoration system for river water bodies of claim 5, wherein: the biological enzyme preparation comprises methane monooxygenase, ammonia monooxygenase, halogen hydrolase and alkyl monooxygenase, and the mass ratio relationship of bacillus licheniformis, bacillus subtilis, bacillus lentus, bdellovibrio, bacillus megaterium, aspergillus actinomycete, lactobacillus acidophilus, methane monooxygenase, ammonia monooxygenase, halogen hydrolase and alkyl monooxygenase is 1:1:3:1: 1:1:2:2:2: 3.
7. The ecological restoration system for river water bodies of claim 5, wherein: and (3) supplementing and adding the microbial strains into the river water body for 1-2 times every year, wherein the adding amount is 0.005-0.007% of the total water amount of the river water body.
8. The ecological restoration system for river water bodies of claim 1, wherein: the volume ratio of the adding amount of the special culture medium to the adding amount of the microbial strains is 1: 10-20.
9. The ecological restoration system for river water bodies of claim 1, wherein: the special culture medium comprises ammonium chloride, sodium bicarbonate, dipotassium hydrogen phosphate, sodium acetate, magnesium chloride, sodium chloride, glucose and distilled water, and the mass ratio of the special culture medium is as follows: ammonium chloride: sodium bicarbonate: dipotassium hydrogen phosphate: sodium acetate: magnesium chloride: sodium chloride: glucose: distilled water 14:21:30:33:8:40:180: 19670.
10. The ecological restoration system for river water bodies of claim 1, wherein: the aeration device comprises an aerator and a plurality of aeration pipes communicated with the aerator, the aeration pipes stretch across the river channel and are uniformly distributed along the upper part of sludge at the bottom of the river channel, and the interval between every two adjacent aeration pipes is 8-12 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250016.4A CN113896327A (en) | 2021-10-26 | 2021-10-26 | River course water ecological remediation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250016.4A CN113896327A (en) | 2021-10-26 | 2021-10-26 | River course water ecological remediation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113896327A true CN113896327A (en) | 2022-01-07 |
Family
ID=79027018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111250016.4A Pending CN113896327A (en) | 2021-10-26 | 2021-10-26 | River course water ecological remediation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113896327A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113136351A (en) * | 2021-04-25 | 2021-07-20 | 重庆融极浩瀚生物技术有限公司 | Composite microbial flocculant and preparation method and application thereof |
| CN115520969A (en) * | 2022-09-26 | 2022-12-27 | 中国科学院南京土壤研究所 | Composite ecological restoration method for farmland drainage polluted river channel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004081926A (en) * | 2002-08-23 | 2004-03-18 | Kanagawa Prefecture | Treating agent and treating method for algae and microcystin |
| CN105399212A (en) * | 2015-12-22 | 2016-03-16 | 临沂大学 | Multifunctional ecological floating island |
| CN206843189U (en) * | 2017-04-28 | 2018-01-05 | 兰迪（广州）环保新能源科技有限公司 | Polluted river home position strengthening denitrification organisms floating bed purifier |
| CN108264198A (en) * | 2018-02-01 | 2018-07-10 | 宁波立升环保工程有限公司 | A kind of administering method in water pollution river |
| CN108928927A (en) * | 2018-07-30 | 2018-12-04 | 中冶华天工程技术有限公司 | The mobile black smelly Water Ecological Recovery device and method in river |
-
2021
- 2021-10-26 CN CN202111250016.4A patent/CN113896327A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004081926A (en) * | 2002-08-23 | 2004-03-18 | Kanagawa Prefecture | Treating agent and treating method for algae and microcystin |
| CN105399212A (en) * | 2015-12-22 | 2016-03-16 | 临沂大学 | Multifunctional ecological floating island |
| CN206843189U (en) * | 2017-04-28 | 2018-01-05 | 兰迪（广州）环保新能源科技有限公司 | Polluted river home position strengthening denitrification organisms floating bed purifier |
| CN108264198A (en) * | 2018-02-01 | 2018-07-10 | 宁波立升环保工程有限公司 | A kind of administering method in water pollution river |
| CN108928927A (en) * | 2018-07-30 | 2018-12-04 | 中冶华天工程技术有限公司 | The mobile black smelly Water Ecological Recovery device and method in river |
Non-Patent Citations (3)
| Title |
|---|
| 宋萍: "工业微生物菌种目录", vol. 1, 四川科学技术出版社, pages: 146 - 149 * |
| 陈静生: "《水环境化学》", 30 September 1987, 高等教育出版社, pages: 248 - 251 * |
| 马放: "《环境微生物图谱》", 30 June 2010, 中国环境科学出版社, pages: 178 - 181 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113136351A (en) * | 2021-04-25 | 2021-07-20 | 重庆融极浩瀚生物技术有限公司 | Composite microbial flocculant and preparation method and application thereof |
| CN115520969A (en) * | 2022-09-26 | 2022-12-27 | 中国科学院南京土壤研究所 | Composite ecological restoration method for farmland drainage polluted river channel |
| CN115520969B (en) * | 2022-09-26 | 2024-05-28 | 中国科学院南京土壤研究所 | Composite ecological restoration method for farmland drainage polluted river |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Cao et al. | Removal of nitrogen (N) from hypereutrophic waters by ecological floating beds (EFBs) with various substrates | |
| CN103820427B (en) | The preparation method of microorganism purification of water quality microbial inoculum | |
| CN103896407B (en) | A kind of quick startup, biofilm carbon antimicrobial composition process for purifying water | |
| CN104671417A (en) | Novel combined bio-floating bed | |
| KR101238262B1 (en) | The microbial seeds which having excellent wastewater treatment ability and producing method for the sames and the wastewater treatment method | |
| CN113896327A (en) | River course water ecological remediation system | |
| CN104787975B (en) | The complex ecological water treatment system that a kind of low temperature season runs | |
| CN106007191A (en) | Black odorous river course ecological treatment system and treatment method thereof | |
| CN109678246A (en) | A method of suitable for lake and reservoir, unhurried current type river regulation wawter bloom | |
| CN104355413A (en) | Ecological floating bed and method for purifying water body | |
| CN108821433A (en) | A method of eutrophication water body is repaired using water plant-microbial association | |
| CN208561850U (en) | A kind of Micro-power cycle reoxygenation formula artificial floating island | |
| CN109987710A (en) | The strand ecological water chain promoted for black and odorous water improvement and water quality | |
| CN108996703B (en) | Black smelly water soil and water hydrologic cycle ecological remediation system | |
| CN111847778A (en) | Method for treating and maintaining landscape water body and pool | |
| CN109626595B (en) | Water quality purifying microorganism ecological unit, water quality purifying microorganism ecological system and method thereof | |
| CN209537207U (en) | Water purification treatment device | |
| CN111689640A (en) | Sewage treatment method | |
| CN207375911U (en) | A kind of bacteria bed | |
| CN206089209U (en) | Ecological water purification system | |
| CN211620078U (en) | Biological and ecological integrated aeration floating island device | |
| CN212532675U (en) | River repair system applied to drainage basin pollution | |
| CN204569548U (en) | A kind of combination type biological floating bed | |
| CN211283844U (en) | Strengthened tidal flow artificial wetland | |
| CN209210461U (en) | A kind of biological floating bed appositional pattern microbiological fuel cell coupling device of water remediation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220107 |