CN110759482A - Suspension type biological carrier ecological floating bed - Google Patents
Suspension type biological carrier ecological floating bed Download PDFInfo
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- CN110759482A CN110759482A CN201911104906.7A CN201911104906A CN110759482A CN 110759482 A CN110759482 A CN 110759482A CN 201911104906 A CN201911104906 A CN 201911104906A CN 110759482 A CN110759482 A CN 110759482A
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Classifications
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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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
-
- 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
- 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
-
- 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)
- Biotechnology (AREA)
- Water Supply & Treatment (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Ecology (AREA)
- Hydroponics (AREA)
Abstract
The invention discloses a suspended biological carrier ecological floating bed which comprises a device consisting of a biological carrier bed, an underwater fixing anchor, a cable and aquatic plants, wherein the biological carrier bed comprises a bottom net, a cover net, a biological carrier cage and a suspended biological carrier, the biological carrier cage is arranged between the bottom net and the cover net and forms a main body structure of the biological carrier bed with the bottom net and the cover net in a mode of a plurality of groups, the suspended biological carrier is arranged inside the biological carrier cage, the underwater fixing anchor is connected with the biological carrier bed through the cable, and the aquatic plants are planted on the biological carrier bed.
Description
Technical Field
The invention relates to the field of water environment, water ecology and water eutrophication treatment, in particular to an ecological floating bed constructed by suspended biological carriers.
Background
Ecological floating beds (also called ecological floating island, biological floating bed, etc.) were produced in the last 80 th century, and originally, the german BESTMAN company proposed the concept of protecting the ecological environment of the water side by using an artificial floating island; in the japanese lute lake, an artificial floating bed as a spawning bed for fish was used in the late 70 s. The ecological floating bed has the comprehensive functions of purifying water, creating living habitat and biological diversity, inhibiting algae outbreak and water eutrophication, improving landscape, protecting embankment and the like. Therefore, as people pay more and more attention to environmental problems, the natural environment around, especially the natural landscape situation at the water side, is more and more emphasized, and under the background, people not only purify water, but also create a diversified ecosystem to hope for the artificial floating bed technology.
An ecological floating bed generally consists of four parts, namely a floating bed frame, a floating bed body, an underwater fixing device and aquatic vegetation. The material and the structure of the floating bed have important influence on the growth of plants, the purification of water and the normal operation management, so the material and the construction technology of the ecological floating bed are concerned by a plurality of scholars. Since the application of ecological floating bed technology, the floating bed material and construction technology generally go through the following stages: the first generation is constructed with bamboo, which is characterized by low cost, poor effect and short service life; the second generation is constructed by polystyrene foam boards, and is characterized by simple manufacturing process and low manufacturing cost, but the foam is white pollution and has basically no application at present; the third generation mainly uses polyethylene material derived products or bed bodies made of components, such as floating body components and planting baskets of planting rings, but the plant root systems are not combined with the matrix for planting; the fourth generation is a floating body made of ecological aeration material, and is characterized in that the plant root system and the floating bed material can be dissolved into a whole, and the floating bed material is of a hollow tubular structure, so that a good water body micro-power circulation can be formed.
Disclosure of Invention
The ecological floating bed is characterized in that an ① floating bed body is made of suspended biological carriers and has the functions or characteristics of high porosity, large specific surface area and good biocompatibility, a water plant root system on a ② floating bed body and floating bed body materials can be fused into a whole body to form good water body micro-power circulation and air and oxygen supply functions, the manufacturing cost of the ③ carrier bed is relatively low, a floating bed frame is not needed to provide support or buoyancy, and the ecological floating bed has good flexibility, elasticity, wind wave impact resistance and the like.
The invention provides a suspended biological carrier ecological floating bed, which comprises a biological carrier bed, an underwater fixed anchor, a mooring rope and aquatic plants, wherein the biological carrier bed is arranged on the top of the floating bed; the biological carrier bed comprises a bottom net, a cover net, a biological carrier cage and a suspended biological carrier; the biological carrier cage is arranged between the bottom net and the cover net and forms a main body structure of the biological carrier bed with the bottom net and the cover net in a plurality of groups; the suspended biological carrier is arranged inside the biological carrier cage; the underwater fixing anchor is connected with the biological carrier bed through the cable; the aquatic plants are planted on the biological carrier bed.
Further, the biological carrier cage is a plastic net mesh with the mesh diameter of 10-20mm or a cylindrical cage made of other meshes, and the diameter of the biological carrier cage is 200-600 mm.
Furthermore, the bottom net and the cover net are plastic nets with the diameter of 10-20mm of meshes, or meshes which are made of meshes made of other materials and have the same size and geometric shape; the biological carrier cages are arranged between the bottom net and the cover net in a plurality of groups and do not exceed or exceed the edges of the bottom net and the cover net.
Further, the suspended biological carrier is a polyurethane-based reticular sponge biological carrier block with the pore density of 5-10PPI, and a porous suspended sphere biological carrier or a hollow fiber sphere biological carrier filled with the reticular sponge biological carrier block; the size of the reticular sponge type biological carrier block is 30-60 mm; the diameter of the porous suspension sphere biological carrier or the hollow fiber sphere biological carrier is 40-100 mm.
Further, the aquatic plants comprise emergent aquatic plants, hygrophytes and plant communities or vegetations constructed by emergent aquatic plants and hygrophytes; the planting method of the aquatic plants comprises the following steps: (1) arranging or sowing seeds of the aquatic plants on the biological carrier bed in proper seasons; (2) and (3) opening holes on the cover net of the biological carrier bed, then binding or protecting the roots or stems of the living aquatic plants, and then inserting the protected plant bodies of the aquatic plants into gaps or grooves reserved among the biological carrier cages.
Further, in the initial stage of treating the water environment by using the biological carrier bed, in order to enable the water body to generate a faster treatment effect, a microbial preparation comprising compound microorganisms, probiotic microorganisms or algicidal microorganism strains is added on the biological carrier cage, or a microbial strain or a flora preparation required by engineering is determined or added according to the water quality and a biological detection result; and push-flow type oxygen increasing aeration equipment is added at the periphery of the biological carrier bed so as to better exert the advantages or effects of the biological carrier bed.
Furthermore, in the process of using the biological carrier bed to treat water eutrophication, in the blue-green algae outbreak stage of the water, or under the condition that the indexes of algae cell density and biomass do not reach the standard, the algae-eating insect and algae-dissolving bacteria preparation is added on the biological carrier cage, so as to better exert the advantages or effects of the biological carrier bed.
Further, after the density of the bio-carrier bed is increased after a period of operation, or when the buoyancy of the bio-carrier block used in the initial installation is low, a material or a structure having a block density of less than 1, such as a buoyancy frame or a buoyancy block, is added to the net cover of the bio-carrier bed.
The invention has the beneficial effects that:
(1) the biological carrier bed made of the plastic net and the suspended biological carrier block (ball) has the characteristics and characteristics of good biocompatibility, high porosity and large pore diameter, the biological carrier block not only has a space required by proliferation of microorganisms and zooplanktons, but also has pores required by rooting of aquatic plants, and the roots of the microorganisms, the zooplanktons and the aquatic plants can share the permeability and the air permeability of the biological carrier bed; compared with foreign fiber type biological carrier beds, the biological carrier bed has better biocompatibility and anti-blocking performance.
(2) The biological carrier bed made of the plastic net and the suspended biological carrier blocks (balls) has enough flexibility and elasticity, can resist wind waves and protect an embankment, and has good corrosion resistance; the buoyancy force is natural and can be adjusted (by material proportioning or increasing buoyancy frames, buoyancy blocks and the like); saving the investment of the floating bed frame, and having the advantages of long service life, low cost, easy disassembly and assembly and modularization.
(3) The polyurethane-based reticular sponge type biological carrier block has the preferred or customized mesh density of 5-10 PPI. Wherein the mesh density is 10PPI, the average mesh pore diameter converted by the mesh density is 2.54mm, and the mesh density is relatively suitable for the growth, shelter and cultivation of zooplankton represented by rotifers; the mesh density is 5PPI, the converted average mesh pore diameter is 5.08mm, and the method is relatively suitable for the growth, shelter and cultivation of zooplanktons represented by daphnia magna (algae eating insect) in cladocera; daphnia magna (algae eating insect) and rotifer zooplankton are dominant species for inhibiting blue algae outbreak in water body, and are natural enemies of blue algae and other water bloom organisms.
(4) The suspended biological carrier blocks (spheres) are all common engineering materials for water treatment and water ecological restoration in the market, and have the advantages of easily available materials and no control by monopoly patent technology; the ecological environment benefit is good, and simultaneously, the economic and technical indexes are good.
(5) The mechanism or principle of the invention with good ecological and environmental benefits is:
A. the floating bed body made of the massive biological carrier with large aperture has the characteristics of high biological load and strong water purification capacity. In addition to the space for living and proliferation of organisms having large pore diameters inside the pellet blocks, the large gaps formed between the pellet blocks are also suitable spaces for living and proliferation of zooplankton and other organisms. Under the conditions that the plant roots secrete oxygen and the floating bed bodies wander, absorb and gather nutrients, the culture, incubation or proliferation of microorganisms, zooplankton, larvae and the like can have a suitable space or environment, a sheltering function and the like.
B. High-density microorganisms, zooplankton, larvae and other aquatic animals generated by proliferation are pushed by wind power in the biological carrier bed and around the root system of the plant, and the actions of vibration and wandering of a floating island, foraging and pursuing of animals and the like can continuously promote the biological functions to be diffused, so that water purification, diversity enhancement, water ecological system health in a wider range and algae outbreak and water eutrophication inhibition are realized.
C. Zooplankton, especially rotifer and daphnia magna (algae eating insect) type zooplankton which are emphatically cultivated in the invention are natural enemies of blue algae and other water bloom organisms, and are also baits of fishes; the microbial flora is a decomposer of organic matters and is also an 'inhibitor' of the growth of algae (such as algicidal bacteria and the like); the proliferation of microorganisms and zooplankton in the water body is a mark for the health of an aquatic ecosystem and is also a basis for improving the self-purification capacity of the water body and controlling the eutrophication of the water body. These are the mechanisms or principles of the present invention with better water purification, eutrophication control, and water ecosystem health, etc.
D. In the initial stage of treating the water environment by using the biological carrier bed, in order to enable the water body to generate a faster treatment effect, a microbial preparation comprising compound microorganisms, probiotic microorganisms or algicidal microorganism strains can be added on a biological carrier cage, and microbial strains or flora preparations required by engineering can be determined or added according to the water quality and biological detection results; and plug-flow type oxygen increasing or aerating equipment is added at the periphery of the biological carrier bed so as to further exert the advantages or effects of the biological carrier bed.
E. In the process of using the biological carrier bed to treat water eutrophication, algae-eating insect and algae-dissolving bacteria preparation can be added on the biological carrier cage in the water blue algae outbreak stage or under the condition that the algae cell density and biomass index do not reach the standard, so as to further exert the characteristics or advantages of the biological carrier bed.
Drawings
FIG. 1 is a schematic view of a suspended biological carrier ecological floating bed provided by an embodiment of the present invention;
fig. 2 is a schematic view of a suspended biological carrier ecological floating bed provided by an embodiment of the invention.
Description of the reference numerals
10: a suspended biological carrier ecological floating bed;
110: a bottom net; 120: covering a net; 130: a biological carrier cage; 131: a porous suspension sphere biological carrier; 132: a reticular sponge biological pellet block; 133: hollow fiber ball biological carrier; 140 a tie wrap; 150: a cable; 160: fixing an anchor underwater; 170: an aquatic plant.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, an embodiment of the invention provides 2 kinds of suspended bio-carrier ecological floating beds 10, which comprise a bottom net 110, a cover net 120, a bio-carrier cage 130, porous suspended ball bio-carriers 131, a mesh-shaped sponge bio-carrier block 132, hollow fiber ball bio-carriers 133, a binding band 140, a cable 150, an underwater fixing anchor 160 and aquatic plants 170.
Wherein, the bottom net 110 is arranged opposite to the cover net 120, and the biological carrier cage 130 is positioned between the bottom net 110 and the cover net 120; the plurality of biological carrier cages 130 are bound into a whole with the bottom net 110 and the cover net 120 by the binding bands 140; the porous suspension sphere biological carriers 131, the reticular sponge biological carrier blocks 132 and the hollow fiber sphere biological carriers 133 are mixed or respectively filled in the biological carrier cage 130; cables 150 link bottom net 120 with underwater anchors 160; the aquatic plants 170 are planted on the floating bed body bound by the bottom net 110, the cover net 120 and the biological carrier cage 130.
Further, referring to fig. 1 and 2, the biological carrier cage 130 is preferably made of a plastic mesh material with crimp toughness or elasticity or a mesh sheet made of other materials, such as a non-plastic mesh material with good durability and biocompatibility, and is crimped to form a cylindrical mesh carrier cage; after filling the porous suspension sphere biological carriers 131, the reticular sponge biological carrier blocks 132 and the hollow fiber sphere biological carriers 133, net covers (sealing covers) are additionally arranged at two ends to form a biological carrier cage 130; furthermore, the aperture of the plastic net or other materials used by the biological carrier cage 130, the bottom net 110 and the cover net 120 is 10-20 mm; further, the shape of the bio-carrier cage 130 is preferably cylindrical, and the diameter of the bio-carrier cage 130 is preferably between 200 mm and 600 mm.
Further, as shown in fig. 1 and 2, the bottom net 110 and the cover net 120 may be made of plastic net or other mesh materials, such as non-plastic net with good durability and biocompatibility, which is consistent with the material of the bio-carrier cage 130. The bottom mesh 110 and the cover mesh 120 are the same in size, the bottom mesh 110 is installed below the bio-carrier cage 130, and the cover mesh 120 is installed above the bio-carrier cage 130. The bottom net 110 and the cover net 120 are plastic nets with 10-20mm mesh diameter, or meshes with the same size and geometric shape made of meshes made of other materials. Further, the bio-carrier cages 130 may be densely packed with no space left between the cage and the cage diameter; can also be placed loosely, and an aquatic plant growth groove is reserved between the cage and the diameter of the cage; further, the length of the bio-carrier cages 130 and the aggregate width of the set of bio-carrier cages 130 must not exceed the edge lines of the bottom mesh 110 and the cover mesh 120.
Further, the reticulated sponge bio-carrier block 131, preferably a polyurethane-based reticulated sponge type bio-carrier; preferably, the mesh sponge type biopellet block 131 has a pore density of 5-10PPI and a block size side length of 30-60 mm; further, the porous suspension ball biological carrier 132 is preferably a porous suspension ball biological carrier with polyurethane-based reticular sponge installed inside, and the preferred diameter of the porous suspension ball is 40-100 mm; further, the hollow fiber ball biological carrier 133 is preferably a hollow fiber ball biological carrier with polyester yarn outside and hollow balls inside; the preferred diameter of the hollow fiber sphere bio-carrier 133 is 40-100 mm.
Further, referring to fig. 1 and 2, the underwater fixing anchor 160 is coupled to the cable 150, and the cable 150 is coupled to the bottom net 110; the length of the cable 150 is greater than or equal to the depth of water at the highest water level in the area in which the cable is located. The underwater fixing anchor 160 is preferably a fixing anchor made of reinforced concrete material, and the weight of the single body of the underwater fixing anchor 160 is greater than the total buoyancy of the biological carrier bed; the cable 150 may be a stainless steel wire rope, or may be a bio-corrosion resistant wire rope, or rubber rope. The underwater anchors 160 and cables 150 function to anchor the bio-carrier bed and ensure that the bio-carrier bed can move within a certain range of the water.
Further, referring to FIGS. 1 and 2, the aquatic plant 170 is preferably a plant seed, plant or cluster having a natural reproduction or germination ability, and further, the aquatic plant 170 is planted by ① placing or sowing the seed of the preferably reproductive aquatic plant on a bio-carrier bed bound by the bottom net 110, the cover net 120 and the bio-carrier cages 130 in a proper season (see FIG. 1), ② perforating the cover net 120, then packing or protecting the roots or stems of the plant of the aquatic plant 170, and thereafter installing the plant of the protected aquatic plant in the gap or groove reserved between the bio-carrier cages 130 (see FIG. 2).
The invention, a suspended biological carrier ecological floating bed 10, when water environment treatment or water ecological restoration is implemented, the concrete construction and implementation treatment modes are as follows:
1) firstly, manufacturing a biological carrier cage 130, a bottom net 110 and a cover net 120 on the ground; filling the porous suspension sphere biological carrier 131, the reticular sponge biological carrier block 132 and the hollow fiber sphere biological carrier 133 into the biological carrier cage 130, and additionally installing the mesh cover 120; referring to the structure form shown in fig. 1 and fig. 2, a biological carrier cage 130 filled with biological carriers is sewn or bound with the bottom net 110 and the cover net 120 into a whole to form a biological carrier bed or floating bed body suitable for carrying or transporting.
2) Transporting or transporting one or more beds of bio-carriers (floating beds) to the water surface and then using the vessel to a designated or predetermined location on the water surface, throwing the underwater anchor 160 to the predetermined location in the water, and then linking the cable 150 to the bottom net 110 on the single or more floating beds; according to the design or balanced arrangement requirement, several or a plurality of biological carrier beds are combined into 'assemblies' with different forms or shapes, and a management and maintenance channel is reserved; other 'combination bodies' are sequentially installed to meet the requirements of design attractiveness and water surface coverage rate.
3) According to the requirements of beauty or water quality treatment, wind wave resistance or bank protection and the like, the proper aquatic plant variety is preferably selected, and the aquatic plant is planted on the biological carrier bed.
4) After the installation or the construction in the water body is finished, in the initial stage of water environment treatment, in order to enable the water body to generate a faster treatment effect, a microbial preparation comprising compound microorganisms, probiotic microorganisms or algicidal microorganism strains can be added on the biological carrier cage 130, and microbial strains or flora preparations required by engineering can be determined or added according to the water quality and biological detection results; and plug-flow type oxygen increasing or aerating equipment is added at the periphery of the biological carrier bed so as to further exert the advantages or effects of the biological carrier bed.
5) In the process of treating water eutrophication, algae-lysing bacteria or algae-eating insect preparations can be added on the biological carrier cage 130 under the condition that the water blue algae outbreak stage or the algae cell density and biomass indexes do not reach the standard, so as to further exert the characteristics or advantages of the biological carrier bed.
6) When the biological carrier is operated for a period of time or the buoyancy of the biological carrier used in the initial installation is low, a material or a structure with the bulk density less than 1, such as a buoyancy frame or a buoyancy block, can be added on the cover net of the biological carrier bed.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a ecological bed that floats of suspension type biological carrier which characterized in that: comprises a biological carrier bed, an underwater fixing anchor, a mooring rope and aquatic plants; the biological carrier bed comprises a bottom net, a cover net, a biological carrier cage and a suspended biological carrier; the biological carrier cage is arranged between the bottom net and the cover net and forms a main body structure of the biological carrier bed with the bottom net and the cover net in a plurality of groups; the suspended biological carrier is arranged inside the biological carrier cage; the underwater fixing anchor is connected with the biological carrier bed through the cable; the aquatic plants are planted on the biological carrier bed.
2. The suspended biological carrier ecological floating bed as claimed in claim 1, wherein the biological carrier cage is a cylindrical cage made of plastic net with 10-20mm mesh diameter or other net, and the diameter of the biological carrier cage is 200-600 mm.
3. The suspended bio-carrier ecological floating bed as claimed in claim 2, wherein said bottom net and said cover net are made of plastic net with 10-20mm diameter of mesh, or made of other material with same size and geometric shape; the biological carrier cages are arranged between the bottom net and the cover net in a plurality of groups and do not exceed or exceed the edges of the bottom net and the cover net.
4. The suspended bio-carrier ecological floating bed according to claim 1, wherein the suspended bio-carriers are polyurethane-based reticulated sponge-type bio-carrier blocks with a pore density of 5-10PPI, and porous suspended sphere bio-carriers or hollow fiber sphere bio-carriers filled with the reticulated sponge-type bio-carrier blocks; the size of the reticular sponge type biological carrier block is 30-60 mm; the diameter of the porous suspension sphere biological carrier or the hollow fiber sphere biological carrier is 40-100 mm.
5. The suspended bio-carrier ecological floating bed according to claim 1, wherein the aquatic plants comprise emergent aquatic plants, hygrophytes, and plant communities or vegetation constructed by emergent aquatic plants and hygrophytes; the planting method of the aquatic plants comprises the following steps: (1) arranging or sowing seeds of the aquatic plants on the biological carrier bed in proper seasons; (2) and (3) opening holes on the cover net of the biological carrier bed, then binding or protecting the roots or stems of the living aquatic plants, and then inserting the protected plant bodies of the aquatic plants into gaps or grooves reserved among the biological carrier cages.
6. The suspended biological carrier ecological floating bed as claimed in claim 1, wherein in the early stage of water environment treatment by using the biological carrier bed, in order to make water body produce faster treatment effect, a microbial preparation comprising composite microorganisms, probiotic microorganisms or algicidal microorganism strains is added on the biological carrier cage, or a microbial strain or a flora preparation required by engineering is determined or added according to water quality and biological detection result; and push-flow type oxygen increasing aeration equipment is added at the periphery of the biological carrier bed so as to better exert the advantages or effects of the biological carrier bed.
7. The suspended type biological carrier ecological floating bed as claimed in claim 1, wherein during the process of using the biological carrier bed to treat eutrophication of water body, algophagous insect and algicidal bacteria preparation is added to the biological carrier cage at the blue algae outbreak stage of water body or under the condition that the indexes of algae cell density and biomass do not reach the standard, so as to better exert the advantages or effects of the biological carrier bed.
8. The floating biological carrier ecological floating bed according to claim 1, wherein after a period of operation, the density of the biological carrier bed is increased, or the buoyancy of the biological carrier blocks used in the initial installation is low, a material or structure with a bulk density less than 1, such as a buoyancy frame or a buoyancy block, is added on the cover net of the biological carrier bed.
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