CN105645563A - Polluted sediment ecological coverage carpet capable of inhibiting original algae from revival and growth and application method thereof - Google Patents
Polluted sediment ecological coverage carpet capable of inhibiting original algae from revival and growth and application method thereof Download PDFInfo
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- CN105645563A CN105645563A CN201610018155.7A CN201610018155A CN105645563A CN 105645563 A CN105645563 A CN 105645563A CN 201610018155 A CN201610018155 A CN 201610018155A CN 105645563 A CN105645563 A CN 105645563A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/005—Combined electrochemical biological processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/006—Electrochemical treatment, e.g. electro-oxidation or electro-osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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- 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
- C02F3/30—Aerobic and anaerobic processes
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
- C02F3/325—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/341—Consortia of bacteria
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
- E02B3/125—Flexible prefabricated covering elements, e.g. mats, strips mainly consisting of vegetable material, e.g. wood, reeds
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention provides a polluted sediment ecological coverage carpet capable of inhibiting original algae from revival and growth and an application method thereof, belonging to the field of sediment in-situ restoration and algae control of a eutrophied water body. The invention aims to solve the problems of ecological potential safety hazards, low restoration efficiency, incapability of reutilization and the like in the existing sediment coverage technique. The ecological coverage carpet comprises a thin fiber inverted filter layer, a biological-matrix combined restoration layer, a fabric layer, a quick connection hook, an embedded matrix frame, floaters, stay piles, a microcurrent electrolyzer, solar panels and electrodes. The application method comprises the following steps: analyzing the varieties of algae hypopuses and pollutants in the superficial deposit, selecting the restoration region, laying in the dormancy interval that blue algae do not revive to the water body, analyzing the pollutant content and adsorption characteristics of the adsorptive filter material in the embedded matrix frame, and determining whether to replace the filler or reap the plants. The carpet can be used in sediment improvement and ecological restoration in lakes, ponds, landscape water and other polluted water bodies.
Description
Technical field
The present invention relates to the in-situ sediment remediation of eutrophication water and algae control field, specifically a kind of polluted bed mud ecology covering blanket suppressing kind of source algae recovery to grow and an application process.
Background technology
Body eutrophication is the ubiquitous important water environmental problems of China or even the whole world, and what eliminate lake eutrophication it is critical only that the load cutting down the nitrogen of water body in lake, phosphorus and bed mud organic carbon and nitrogen, phosphorus. Along with disposal of pollutants strict is controlled and the increasing of water quality management dynamics by China, the input of the pollutant such as exogenous nitrogen, phosphorus, heavy metal is controlled gradually. And bed mud is as the most important accumulation storehouse of water pollution material, being enriched substantial amounts of pollutant, such as the organic pollution etc. of the nutrients such as heavy metal, nitrogen phosphorus and other difficult degradations, and content therein goes out many times than upper water height. These pollutant under certain condition, can be discharged again by the physics between overlying water, chemistry and biological exchange effect, becomes the important inherent polluter of impact and restriction water bodies of rivers and lakes water quality. Polluted bed mud, worldwide to the threat of human health and environment structure, is carried out effectively repairing and improvement is a problem demanding prompt solution, have certain necessity and urgency by polluted bed mud.
For endogenous pollution control, according to the difference of repair mode, the recovery technique of polluted bed mud is broadly divided into in-situ treatment technology and dystopy treatment technology, and in-situ treatment technology is to be stayed put by polluted bed mud, take measures to stop pollutants in sediments to enter water body, namely cut off the pollution channel of presence of pollution sources; Dystopy treatment technology is polluted bed mud to be excavated transport process behind other place again, moves away by the presence of pollution sources of water body, to prevent its polluted-water. Sediment Dredging is dystopy treatment technology more typically, although the method can excavate pollution of surface bed mud, if but deal with improperly, the settling flux of bed mud and pollutant can be caused to discharge again, there is the hidden danger such as ecosystem destruction and water body self-purification ability weakening, and the method control expense is expensive.There is, relative to bed mud dystopy treatment technology, water environmental impact is big, cost is high, process is loaded down with trivial details shortcoming, sediment in-situ treatment technology is low with its cost, simple to operate, be not likely to produce the advantage of secondary pollution and receive much concern. But there is also treatment technology requirement and the shortcoming such as relatively costly, such as the in-situ treatment technology such as jet and electrochemistry.
Eutrophic lake sediment in-situ soverlay technique is one of relatively broad contaminated sediments recovery technique of current domestic and international application. It mainly adopts laterite material to cover, and proper proportion adds such as activated ferric oxide and activated alumina (Chinese Patent Application No. CN200510028579.3), control substrate sludge nutritive salt release, such as modified clay oxygen supplement phosphor fixation technique (the Chinese Patent Application No. CN200310113305.5 proposed such as Pan Gang; Chinese Patent Application No. CN200510063410.1) and utilize cohesive soil to realize the method (Chinese Patent Application No. CN201010104186.7) of shallow lake algae-grass conversion, improve water-bed anaerobic environment to a certain extent, reduce the Phosphurus release amount of deposit, certain inhibitory action is played in the cyanophyceae recovery in spring and breaking out of summer; Sun Yanli etc. it is also proposed a kind of covering blanket system (China Patent Publication No. CN202284288U) for controlling sediment contamination release; In addition, Yang Hao etc. propose to remove the method and apparatus (Chinese Patent Application No. 200810244179.X) of cyanophyceae at cyanophyceae rest period, prove that the amount reducing cyanophyceae at rest period can slow down breaking out of blue-green alga bloom, but the method is relatively big to the microorganism on water-mud interface and benthic fauna disturbance, and not mentioned how to improve anaerobic bottom mud and restoration of the ecosystem.
First above-mentioned technology or invention about being carried out algae control and remedying sludge by the covering of original position bed mud there is problems in that, sow after surface deposit covers by the local material such as soil or clay mineral by large area, a kind of stable " coverlay " can be formed, also the biome in original deposit is completely cut off in water bottom while nutritive salt absorption, set, especially benthic fauna has great destruction, there is ecological safety risk; Secondly, after the absorption of above-mentioned covering material is full, the effects such as erosion of being made pottery by water body, still suffer from certain release risk, pollutant thoroughly cannot be removed place's water-outlet body, and only cannot kill, by bed mud covering, the algae hypopus or frustule that are present in sediments, still suffer from the possibility of recovery; Finally, add covering material in a large number, water depth can be reduced, change the lakebed gradient, cannot use in shallow water or waters that the depth of water is had certain requirements.
To sum up, current traditional bed mud recovery technique still suffers from very big defect, it is difficult to solve current complicated sediment pollution problem only with single reparation means, the advantage of various based technique for in-situ remediation should be made full use of, adopt multiple integrated recovery technique system, carry out advantageous combination, play the strong point of every recovery technique, can be only achieved more efficient repairing effect thoroughly.
Summary of the invention
It is an object of the invention to the deficiency overcoming existing remedying sludge technology to exist, based on biological renovation method, it is aided with physics, chemical remediation technology, propose a kind of polluted bed mud ecology covering blanket suppressing kind of source algae recovery to grow and an application process, there is the advantages such as eco-environmental impact is little, simple, efficient, lasting.
For achieving the above object, the technical solution used in the present invention is:
According to an aspect of the present invention, thering is provided a kind of suppresses kind of the polluted bed mud ecology of source algae recovery growth to cover blanket, covered blanket unit spliced by two groups or more ecology to form, described ecological covering blanket unit includes the thin fiber loaded filter interweaved successively from the bottom to top, biology-substrate combine d bioremediation layer, fiber fabric layer, described ecological purification blanket unit surrounding is arranged with and connects hook soon, connect hook soon for being quickly connected organizing ecological purification blanket unit more, described biology-substrate combine d bioremediation layer is by adsorptivity filtrate, submerged plant brood body and sewage disposal microbial bacterial agent composition, described thin fiber loaded filter and the interfibrous maximum interspace of described fiber fabric layer are determined by the minimum grain size of adsorptivity filtrate in described biology-substrate combine d bioremediation layer, to be not through adsorptivity filtrate and to be available for submerged plant stem and pass through and be as the criterion, each ecological purification blanket unit is provided with the sampler being made up of embedded substrate frame and buoy, anchor pile covers in one jiao of cuttage hard mud layer under water of blanket through ecology, the top of anchor pile is provided with the solar panels being connected with micro-current electroanalysis device, micro-current electroanalysis device is connected with being distributed in the ecological electrode covering blanket surrounding by cable.
Further, described sorptive filler is made up of a kind of or arbitrarily several in haydite, anthracite, biological activated carbon, manganese sand, described submerged plant brood body is made up of a kind of or arbitrarily several in water caltrop, Herba vallisneriae Spiralis, hornwort, Haloragidaceae Myriophyllum spicatum, and described microbial bacterial agent is amphimicrobe and the mixed bacteria of the aerobic ammonia nitrogen decomposer composition of heterotroph.
Further, described embedded substrate mount structure is identical with described ecological purification blanket unit, to lower and on be made up of thin fiber loaded filter, biology-substrate combine d bioremediation layer and fiber fabric layer, and it being embedded in ecological purification blanket unit; buoy is connected with embedded substrate frame and floats on the water surface, from ecological blanket unit, embedded substrate frame can be lifted out the water surface.
Further, the ecological blanket unit that covers is square.
According to a further aspect in the invention, it is provided that a kind of application process suppressing kind of the polluted bed mud ecology of source algae recovery growth to cover blanket, specific as follows:
The selected waters needing to repair, according to algae hypopus and pollutant density, distribution situation determines adsorptivity filtrate in described biology-substrate combine d bioremediation layer, the kind of submerged plant brood body, and the intensity of micro-electric current and electrolysis time, the unit number of required ecological purification blanket is determined according to area coverage needed for target water body, and select not carry out splicing and building at the beginning of the last month of spring in winter of water body recovery in cyanophyceae dormancy gap, adsorptivity filtrate is for being enriched with the polluter in bed mud, the nitrogen that submerged plant is adsorbed by absorption adsorptivity filter material surface in growth course, phosphorus nutrition material, reduce adsorptivity filtrate absorption saturation capacity, submerged plant improves the microhabitat, local of bed mud also by rhizosphere secretory action, microbial bacterial agent add for strengthening the ecological blanket that covers to the decomposition of pollutant and removal effect,
The decline phase in plant growing, embedded substrate frame in ecological purification blanket is taken out, analyze pollutant load and the absorption property of wherein adsorptivity filtrate, determine the need for changing adsorptivity filtrate according to absorption degree of saturation, if adsorbing unsaturated, only withered plant residue is gathered in, so that the polluter in bed mud is removed water body.
Operation principle and the advantage of the present invention are in that:
1. ecology of the present invention covers the middle level of blanket is biology-substrate combine d bioremediation layer, it is made up of adsorptivity filtrate and submerged plant brood body, filtrate can be enriched with the polluter in bed mud, submerged plant can pass through to absorb the nutrient substance such as the nitrogen of filter material surface absorption, phosphorus in growth course, reduce filtrate absorption saturation capacity, extend ecology and cover the service life of blanket; Simultaneously, by regularly gathering in submerged plant, polluter in bed mud can being removed water body, submerged plant improves the microhabitat, local of bed mud also by rhizosphere secretory action, and the adding of microbial bacterial agent can further enhance the ecological blanket that covers to the decomposition of pollutant and removal effect. Physics, chemical and biological method are combined by the present invention, collaborative reparation contaminated sediments, have ecological friendly and high efficiency.
2. gather submerged plant and adsorptivity filtrate sample by sampler, analyze the adsorpting characteristic of the pollutant loads such as nitrogen phosphorus, heavy metal in plant and filtrate, can accurately determine a need for changing filtrate or harvesting plant. Absorption is saturated, reach the purifying blanket in service life and can take out from water body, filtrate therein is replaced or desorption processes, to prevent the secondary by being enriched with pollution from discharging, raising remediation efficiency.
3. the present invention is in specific implementation process, takes into full account the rule of breaking out of wawter bloom algae in target water body, selects the dormancy gap of wawter bloom algae to carry out;In view of major part wawter bloom algae hypopus all concentrates on water-mud near interface, therefore ecology can be passed through and cover the direct covering effect of blanket and be laid in the micro-current electroanalysis effect of its edge electrodes, kill or suppress the recovery of algae hypopus and frustule, it is achieved source control algae. Meanwhile, submerged vegetation, in the cyanophyceae dormancy gap fast germination of winter-spring season, growth, drives target water body to be changed to grass type by algae type by effects such as allelopathies, thus effectively preventing cyanophyceae in the recovery in spring and breaking out of summer.
4., according to required area coverage, the multiple ecological blanket unit that cover in the present invention quickly can be spliced by connecting hook soon, have paving mode flexibly, construction is simple, conveniently moving, be suitable for the advantage such as different in flow rate and landform water body.
5. in the present invention, the ecological two-layer up and down covering blanket is holey, has good permeability, covers relative to directly sprinkling soil or clay mineral material, and this device is less with destructiveness to the interference of substrate habitat and benthic community.
Accompanying drawing explanation
Fig. 1 is that the present invention suppresses kind of the polluted bed mud ecology of source algae recovery growth to cover the structural representation of one of them unit of blanket;
Fig. 2 is that the present invention suppresses kind of the polluted bed mud ecology of source algae recovery growth to cover the splicing schematic diagram of blanket.
In figure: 1 thin fiber loaded filter, 2 biologies-substrate combine d bioremediation layer, 3 fiber fabric layers, 4 connect hook soon, 5 embedded substrate frames, 6 buoys, 7 anchor piles, 8 micro-current electroanalysis devices, 9 solar panels, 10 electrodes.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described.
The present invention suppresses kind of a polluted bed mud ecology covering blanket for source algae recovery growth to be made up of two groups or more ecology covering blanket unit, Fig. 1 show one of them ecological structural representation covering blanket unit, and the described ecological blanket unit that covers includes thin fiber loaded filter 1, biology-substrate combine d bioremediation layer 2, fiber fabric layer 3, connects hook 4, embedded substrate frame 5, buoy 6, anchor pile 7, micro-current electroanalysis device 8, solar panels 9, electrode 10 soon.
The ecological blanket unit that covers is square, described thin fiber loaded filter 1 is positioned at the orlop of described ecological purification blanket unit, described thin fiber loaded filter 1 is formed by the braiding of fine and closely woven netted filtration material, this material specific surface area is big, there is certain absorption and anti-filter function, the heavy metal in lake or river contaminated sediments, nitrogen and phosphorous nutrient and the organic pollution biology-substrate combine d bioremediation layer 2 to ecological purification blanket unit middle level can be drawn. Adsorptivity filtrate in biology-substrate combine d bioremediation layer 2 described in the interfibrous maximum interspace impermeable of described thin fiber loaded filter 1, but be available for submerged plant stem and pass through.
Described biology-substrate combine d bioremediation layer 2 is mixed by a certain percentage by adsorptivity filtrate, submerged plant brood body and sewage disposal microbial bacterial agent, by above-mentioned thin fiber loaded filter 1 and the compacting of fiber fabric layer 3, knitting effect, it is mingled with wherein with layer structure. Described sorptive filler is made up of a kind of or arbitrarily several in haydite, anthracite, biological activated carbon, manganese sand, and the nutrient substance such as the heavy metal ion in S & W body and nitrogen phosphorus are had good absorbability and absorption saturation by above-mentioned filler; Described submerged plant brood body is made up of a kind of or arbitrarily several in water caltrop, Herba vallisneriae Spiralis, hornwort, Haloragidaceae Myriophyllum spicatum, and above-mentioned submerged plant has that easy survival, durability against pollution be high and deposit concentration coefficient high;Described microbial bacterial agent is amphimicrobe and the mixed bacteria of the aerobic ammonia nitrogen decomposer composition of heterotroph, described microbial bacterial agent has stronger contaminant degradation power, especially organic clearance is higher, and breed the features such as quick, strong, the safety non-toxic of vitality, water quality can be effectively improved with above-mentioned sorptive filler and submerged plant synergy, prevent wawter bloom algae from breaking out. According to the kind of pollutant, concentration in bed mud, choose adsorptivity filtrate and submerged plant brood body and corresponding microbial bacterial agent, by filtrate absorption, precipitation, the absorption of plant and the pollutant in the decomposition combined removal bed mud of microorganism and algae hypopus.
Described fiber fabric layer 3 is positioned at the superiors of ecological purification blanket unit, by suppressing, the mode such as knitting together with other two interwoven layers, play package action. The interfibrous maximum interspace of described fiber fabric layer 3 is determined by the minimum grain size of adsorptivity filtrate in described biology-substrate combine d bioremediation layer 2, to be not through adsorptivity filtrate and to be available for submerged plant stem and pass through and be as the criterion.
Described thin fiber loaded filter 1, biology-substrate combine d bioremediation layer 2 and fiber fabric layer 3 weave in, have certain lear energy and deformation adaptive capacity.
Size according to required area coverage, by being symmetrically distributed in connecting hook soon and 4 can being quickly connected organizing ecological purification blanket unit more of described ecological purification blanket unit surrounding. Described anchor pile 7 covers in one jiao of cuttage hard mud layer under water of blanket through ecology, and when can prevent from using in the gradient or flow velocity large body under water, ecology covers blanket and is moved. Each ecological purification blanket unit arranges the sampler being made up of embedded substrate frame 5 and buoy 6, embedded substrate frame 5 embeds in ecological purification blanket unit; buoy 6 is connected with embedded substrate frame 5 and floats on the water surface, and each ecological purification blanket unit can arrange two groups or three groups of samplers.
After described ecological purification blanket uses a period of time, by buoy 6, embedded substrate frame 5 is taken out, analyze the adsorpting characteristic of wherein filtrate, decide whether to change.
Described micro-current electroanalysis device 8, solar panels 9 and electrode 10 three collectively constitute micro-electric current algal control system, described solar panels 9 are fixed on the top of above-mentioned anchor pile 7, it is connected with micro-current electroanalysis device 8 below by the cable of outfan, micro-current electroanalysis device 8 is connected with electrode 10 by cable, and described solar panels 9 and micro-current electroanalysis device 8 can be that one or more groups ecological blanket unit that covers is powered; Described electrode 10 is made up of anode and negative electrode, it is evenly distributed on the surrounding of ecological purification blanket in parallel, the top of electrode 10 and bottom lay respectively in overlying water and surface deposit, the wawter bloom algae hypopus in deposit and the frustule in overlying water are killed in the indirect oxidation effect being produced active substance by the direct oxidation effect of electrode and electrolysis, effectively prevent the recovery of algae hypopus in the exposed deposit in ecological purification blanket unit junction.
The present invention also provides for a kind of application process suppressing kind of the polluted bed mud ecology of source algae recovery growth to cover blanket, specific as follows:
The selected waters needing to repair, the kind of adsorptivity filtrate, submerged plant brood body in described biology-substrate combine d bioremediation layer 2 is determined according to algae hypopus and pollutant density, distribution situation, and the intensity of micro-electric current and electrolysis time, the unit number of required ecological purification blanket is determined according to area coverage needed for target water body, and select not carry out splicing and building at the beginning of the last month of spring in winter of water body recovery in cyanophyceae dormancy gap, as shown in Figure 2.The decline phase in plant growing, embedded in ecological purification blanket some groups substrate frame 5 is taken out, analyzing pollutant load and the absorption property of wherein adsorptivity filtrate, determine the need for changing filtrate according to absorption degree of saturation, if adsorbing unsaturated, only withered plant residue being gathered in.
Present invention can apply to the substrate of lake, pond and landscape water improve and in restoration of the ecosystem.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those skilled in the art of belonging to are in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (6)
1. one kind is suppressed kind of the polluted bed mud ecology of source algae recovery growth to cover blanket, it is characterized in that: covered blanket unit spliced by two groups or more ecology and form, described ecological covering blanket unit includes the thin fiber loaded filter (1) interweaved successively from the bottom to top, biology-substrate combine d bioremediation layer (2), fiber fabric layer (3), described ecological purification blanket unit surrounding is arranged with and connects hook (4) soon, connect hook (4) soon for being quickly connected organizing ecological purification blanket unit more, described biology-substrate combine d bioremediation layer (2) is by adsorptivity filtrate, submerged plant brood body and sewage disposal microbial bacterial agent composition, described thin fiber loaded filter (1) and described fiber fabric layer (3) interfibrous maximum interspace are determined by the minimum grain size of adsorptivity filtrate in described biology-substrate combine d bioremediation layer (2), to be not through adsorptivity filtrate and to be available for submerged plant stem and pass through and be as the criterion, each ecological purification blanket unit is provided with the sampler being made up of embedded substrate frame (5) and buoy (6), anchor pile (7) covers in one jiao of cuttage hard mud layer under water of blanket through ecology, the top of anchor pile (7) is provided with the solar panels (9) being connected with micro-current electroanalysis device (8), micro-current electroanalysis device (8) is connected with being distributed in the ecological electrode (10) covering blanket surrounding by cable.
2. the polluted bed mud ecology suppressing to plant source algae recovery growth as claimed in claim 1 covers blanket, it is characterized in that: described sorptive filler is made up of a kind of or arbitrarily several in haydite, anthracite, biological activated carbon, manganese sand, described submerged plant brood body is made up of a kind of or arbitrarily several in water caltrop, Herba vallisneriae Spiralis, hornwort, Haloragidaceae Myriophyllum spicatum, and described microbial bacterial agent is amphimicrobe and the mixed bacteria of the aerobic ammonia nitrogen decomposer composition of heterotroph.
3. the polluted bed mud ecology suppressing to plant source algae recovery growth as claimed in claim 1 covers blanket, it is characterized in that: described embedded substrate frame (5) structure is identical with described ecological purification blanket unit, to lower and on be made up of thin fiber loaded filter (1), biology-substrate combine d bioremediation layer (2) and fiber fabric layer (3), and it being embedded in ecological purification blanket unit; buoy (6) is connected with embedded substrate frame (5) and floats on the water surface, from ecological blanket unit, embedded substrate frame (5) can be lifted out the water surface.
4. the polluted bed mud ecology suppressing to plant source algae recovery growth as claimed in claim 1 covers blanket, it is characterised in that: ecological covering blanket unit is square.
5. the polluted bed mud ecology suppressing to plant source algae recovery growth as claimed in claim 1 covers blanket, it is characterized in that: described electrode (10) is made up of anode and negative electrode, it is evenly distributed on the surrounding of ecological purification blanket in parallel, the top of electrode (10) and bottom lay respectively in overlying water and surface deposit, and the wawter bloom algae hypopus in deposit and the frustule in overlying water are killed in the indirect oxidation effect being produced active substance by the direct oxidation effect of electrode and electrolysis.
6. one kind is suppressed the application process that kind of the polluted bed mud ecology of source algae recovery growth covers blanket as according to any one of claim 1-5, it is characterised in that:
The selected waters needing to repair, according to algae hypopus and pollutant density, distribution situation determines adsorptivity filtrate in described biology-substrate combine d bioremediation layer (2), the kind of submerged plant brood body, and the intensity of micro-electric current and electrolysis time, the unit number of required ecological purification blanket is determined according to area coverage needed for target water body, and select not carry out splicing and building at the beginning of the last month of spring in winter of water body recovery in cyanophyceae dormancy gap, adsorptivity filtrate is for being enriched with the polluter in bed mud, the nitrogen that submerged plant is adsorbed by absorption adsorptivity filter material surface in growth course, phosphorus nutrition material, reduce adsorptivity filtrate absorption saturation capacity, submerged plant improves the microhabitat, local of bed mud also by rhizosphere secretory action, microbial bacterial agent add for strengthening the ecological blanket that covers to the decomposition of pollutant and removal effect,
The decline phase in plant growing, embedded substrate frame (5) in ecological purification blanket is taken out, analyze pollutant load and the absorption property of wherein adsorptivity filtrate, determine the need for changing adsorptivity filtrate according to absorption degree of saturation, if adsorbing unsaturated, only withered plant residue is gathered in, so that the polluter in bed mud is removed water body.
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| CN111549719A (en) * | 2020-05-15 | 2020-08-18 | 南京市生态环境保护科学研究院 | Ecological restoration system for hard river channel and treatment method thereof |
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| US11802056B2 (en) | 2020-09-07 | 2023-10-31 | Chinese Research Academy Of Environmental Sciences | Methods for water environment multi-interface governance and restoration in rivers and lakes |
| CN112340952A (en) * | 2020-10-29 | 2021-02-09 | 北京邦源环保科技股份有限公司 | Handle ecological carpet under water of river course bed mud |
| CN113636657A (en) * | 2021-08-31 | 2021-11-12 | 北京东方园林环境股份有限公司 | Continuous purification method for bottom mud and water pollutants |
| CN113636658A (en) * | 2021-08-31 | 2021-11-12 | 北京东方园林环境股份有限公司 | Ecological concatenation blanket of sustainable purification bed mud and water pollutant |
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| CN113683266A (en) * | 2021-09-06 | 2021-11-23 | 苑春亭 | Method for treating inorganic nitrogen and active phosphate in seawater pond culture tail water |
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