CN109626586B - Multifunctional ecological floating island and preparation method thereof - Google Patents
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Abstract
The invention discloses a multifunctional ecological floating island and a preparation method thereof, wherein the multifunctional ecological floating island comprises a net cage, a floatable porous water purification base material is arranged in the net cage, and the floatable porous water purification base material is prepared by the following method: taking the following raw materials: ordinary portland cement, quick-hardening sulphoaluminate cement, fly ash, steel slag, grass carbon ash, rice hull ash, perlite, betaine, dimethyl-beta-propitioxetine, shell powder, fishbone powder and zeolite powder are uniformly mixed, added with water and hydrogen peroxide, stirred, poured into a mold for curing and forming, and polished to remove a surface coating. According to the multifunctional ecological floating island, the depth of the floating island is increased, the water purification volume is increased, and the porosity of the porous water purification base material is high; the biofilm formation is convenient, and the water purification efficiency is improved; and provides a living and inhabiting environment and a space for avoiding disasters for the aquatic animals. Aquatic plants are planted on the multifunctional ecological floating island, and the net cages provided with the floatable porous water purification base materials are connected with each other to form a larger ecological floating island.
Description
Technical Field
The invention relates to the field of ecological restoration of water organisms, in particular to a multifunctional ecological floating island capable of serving as a suspended fish reef and a preparation method thereof.
Technical Field
With the acceleration of industrialization and urbanization, increasingly serious environmental problems are brought, and people pay more and more attention to greening and environmental protection of cities. However, due to the imperfection of municipal sewage pipe networks, domestic sewage and industrial wastewater exceed the standard and are discharged, which seriously endangers the increasingly deficient fresh water resources in China. The ecological floating island is applied by transplanting aquatic plants and wet plants including part of terrestrial plants above the water surface and absorbing nitrogen and phosphorus elements in water through plant growth to achieve the effects of water quality purification and water system landscape improvement.
Because the ecological floating island has relatively low investment cost, low energy consumption and convenient operation and management, the ecological floating island is widely applied to urban riverways in recent years, not only becomes urban riverway landscape, but also can play a certain role in purifying the water quality of the urban riverways. However, most of the current ecological floating islands are of two-dimensional structures, and only form coverage on the water surface, so that the sewage treatment capacity is limited; most of the existing ecological floating islands are made of light materials such as PVC pipes, the materials do not have water purification capacity, and organic matters in water can be absorbed only by the action of plants. Single function or single action.
The urban river channel has slow water flow rate, weak water energy and material exchange capacity and poor self-purification capacity, along with the increase of a river channel hardened surface, the living and inhabiting environment of aquatic organisms disappears, a large amount of aquatic animals and plants disappear, and in addition, pollution sources such as surface runoff and the like are gathered, so that the water ecology is unbalanced for a long time, and a stable ecological system is difficult to form. Although the water quality of the river channel can be improved in a short time by the traditional measures of dredging, changing water, spreading medicaments and the like, the water quality of the water body is finally deteriorated, and silt at the bottom of the river is accumulated and smells and the like because the water body ecosystem and balance are not fundamentally improved. Therefore, the application of water ecological management measures should be based on the improvement of the river water ecology, and the main purpose of decontamination cannot be achieved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a multifunctional ecological floating island.
The second purpose of the invention is to provide a preparation method of the multifunctional ecological floating island.
The technical scheme of the invention is summarized as follows:
a multifunctional ecological floating island comprises a net cage, wherein a floatable porous water purification base material is arranged in the net cage, and the floatable porous water purification base material is prepared by the following method: taking the following raw materials in percentage by mass: 10-30% of ordinary portland cement, 30-60% of fast-hardening sulphoaluminate cement, 5-20% of fly ash, 2-10% of steel slag, 1-5% of grass carbon ash, 1-5% of rice hull ash, 2-10% of perlite, 0.01-0.2% of betaine, 0.01-0.1% of dimethyl-beta-thiotepa propionate, 0.5-3% of shell powder, 0.1-3% of fish bone powder and 0.5-8% of zeolite powder, uniformly mixing, adding 30-55% of water and 1-8% of 27% hydrogen peroxide by mass, stirring for 10-30 s, pouring into a mold, curing for 1-3 days, molding, polishing and removing a surface coating.
Preferably, the floatable porous water purification substrate is made by the following method: taking the following raw materials in percentage by mass: 20-25% of ordinary portland cement, 44-50% of quick-hardening sulphoaluminate cement, 10-11% of fly ash, 4-5% of steel slag, 2-3% of grass carbon ash, 3-4% of rice hull ash, 2-3% of perlite, 0.1% of betaine, 0.1% of dimethyl-beta-thiocotine propionate, 2-3% of shell powder, 1.8% of fishbone powder and 2-3% of zeolite powder, uniformly mixing, adding 40-45% of water and 4-4.5% of hydrogen peroxide with the mass concentration of 27%, stirring for 10-30 s, pouring into a mold, curing for 1 day, molding, and polishing to remove a surface coating.
The floatable porous water purification substrate is preferably provided with planting holes.
The net cage is a twisted hexagonal grid woven net cage, a hook grid woven net cage and a guardrail net woven net cage. Also can be a net cage in any shape formed by soft woven wire mesh.
A preparation method of a multifunctional ecological floating island comprises the following steps:
(1) preparation of floatable porous water purification substrate: taking the following raw materials in percentage by mass: 10-30% of ordinary portland cement, 30-60% of fast-hardening sulphoaluminate cement, 5-20% of fly ash, 2-10% of steel slag, 1-5% of grass carbon ash, 1-5% of rice hull ash, 2-10% of perlite, 0.01-0.2% of betaine, 0.01-0.1% of dimethyl-beta-thiotepa propionate, 0.5-3% of shell powder, 0.1-3% of fish bone powder and 0.5-8% of zeolite powder, uniformly mixing, adding 30-55% of water and 1-8% of hydrogen peroxide with the mass concentration of 27%, stirring for 10-30 s, pouring into a mold, curing for 1-3 days for molding, polishing and removing a surface coating;
(2) and (4) placing the floatable porous water purification base material into the net cage, and sealing the net cage.
Preferably, the porous water purification substrate floatable in step (1) is prepared by the following method: taking the following raw materials in percentage by mass: 20-25% of ordinary portland cement, 44-50% of quick-hardening sulphoaluminate cement, 10-11% of fly ash, 4-5% of steel slag, 2-3% of grass carbon ash, 3-4% of rice hull ash, 2-3% of perlite, 0.1% of betaine, 0.1% of dimethyl-beta-thiocotine propionate, 2-3% of shell powder, 1.8% of fishbone powder and 2-3% of zeolite powder, uniformly mixing, adding 40-45% of water and 4-4.5% of hydrogen peroxide with the mass concentration of 27%, stirring for 10-30 s, pouring into a mold, curing for 1 day, molding, and polishing to remove a surface coating.
The shape of the floatable porous water purification substrate can be various, such as cube, sphere, pebble, irregular shape, etc
Planting holes can also be arranged on the floatable porous water purification base material.
The net cage is a twisted hexagonal grid woven net cage, a hook grid woven net cage and a guardrail net woven net cage. Also can be a net cage in any shape formed by soft woven wire mesh.
The invention has the advantages that:
according to the multifunctional ecological floating island, the depth of the floating island is increased, the water purification volume is increased, and the water purification efficiency is improved;
the floatable porous water purification substrate included in the present invention has a porosity of about 30% to 80%; the biofilm formation is convenient, and the water purification efficiency is improved; provides a larger underwater space, provides a living and inhabiting environment for aquatic animals and a space for avoiding disasters.
Aquatic plants are planted on the multifunctional ecological floating island, and the net cages provided with floatable porous water purification base materials can be connected with each other to form a larger ecological floating island.
Drawings
Fig. 1 is a schematic structural view of the multifunctional ecological floating island.
Fig. 2 is a schematic structural diagram of a floatable porous water purification substrate.
Fig. 3 is a photograph of the multifunctional ecological floating island structure of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1-example 5:
the floatable porous water purification base material is prepared by taking the following raw materials according to the mass ratio as shown in the table 1:
TABLE 1
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | |
| Ordinary portland cement | 20％ | 25％ | 10％ | 30％ | 10％ |
| Quick hardening sulphoaluminate cement | 50％ | 44％ | 55.69％ | 30％ | 60％ |
| Fly ash | 10％ | 11％ | 5％ | 17.89％ | 20％ |
| Steel slag | 5％ | 4％ | 10％ | 2％ | 2％ |
| |
2％ | 3％ | 1％ | 5％ | 1％ |
| |
3％ | 4％ | 5％ | 1％ | 1％ |
| |
3％ | 2％ | 2％ | 10％ | 2％ |
| Betaine | 0.1％ | 0.1％ | 0.2％ | 0.01％ | 0.1％ |
| Dimethyl-beta-propiothiocin | 0.1％ | 0.1％ | 0.01％ | 0.1％ | 0.1％ |
| |
3％ | 2％ | 3％ | 0.5％ | 3％ |
| Fishbone powder | 1.8％ | 1.8％ | 0.1％ | 3％ | 0.3％ |
| Zeolite |
2％ | 3％ | 8％ | 0.5％ | 0.5％ |
Example 6
A preparation method of a multifunctional ecological floating island (see figure 1) comprises the following steps:
(1) preparation of floatable porous water purification substrate: taking raw materials according to mass ratio, see example 1 in Table 1, mixing uniformly, adding water with the total mass of 40% and hydrogen peroxide with the mass concentration of 27% of 6%, stirring for 20s, pouring into a mold, curing for 1 day, forming (pebble shape), and polishing to remove surface coatings; drilling a through hole 2 (see fig. 2 and 3);
(2) the floatable porous water purification base material 1 is placed into a net cage 3, the net cage is a twisted hexagonal Bingge net woven net cage, and the net cage is sealed. The net cage is in a shape of a ladder platform.
The floatable porous water purification substrate had an average porosity of 61%.
Iron oxide yellow accounting for 3% of the mass of the raw material can also be added into the raw material of the floatable porous water purification base material.
A multifunctional ecological floating island with the volume of 4 cubic meters is placed in a water area with the depth of 1m and the water quality purification detection result is as follows:
TABLE 2
Example 7
A preparation method of a multifunctional ecological floating island comprises the following steps:
(1) preparation of floatable porous water purification substrate: taking raw materials according to mass ratio, referring to example 2 in Table 1, uniformly mixing, adding 30% of water and 1% of hydrogen peroxide with the mass concentration of 27% by mass, stirring for 10s, pouring into a mold, curing for 1 day, forming (in a pebble shape), polishing to remove surface coatings, and drilling a through hole 2;
(2) and (4) placing the floatable porous water purification base material into the hook-flower net woven net cage, and sealing the net cage. The net cage is in the shape of a circular truncated cone.
The floatable porous water purification substrate had an average porosity of 34%.
Iron oxide red with the mass percent of 3% of the raw material can also be added into the raw material of the floatable porous water purification base material.
A multifunctional ecological floating island with the volume of 4 cubic meters is placed in a water area with the depth of 1m and the water quality purification detection result is as follows:
TABLE 3
Example 8
A preparation method of a multifunctional ecological floating island comprises the following steps:
(1) preparation of floatable porous water purification substrate: taking raw materials according to mass ratio, see example 3 in table 1, mixing uniformly, adding 55% of water and 8% of hydrogen peroxide with the mass concentration of 27% in total mass, stirring for 30s, pouring into a mold, curing for 3 days to form a pebble shape, polishing to remove a surface coating, and drilling a through hole 2;
(2) and (4) placing the floatable porous water purification base material into a net cage woven by a guardrail net, and sealing the net cage. The net cage is shaped like a hemisphere.
The floatable porous water purification substrate had an average porosity of 75%.
Iron blue with the mass percent of 8 percent of the raw material can also be added into the raw material of the floatable porous water purification base material.
A multifunctional ecological floating island with the volume of 4 cubic meters is placed in a water area with the depth of 1m and the water quality purification detection result is as follows:
TABLE 4
Example 9
A preparation method of a multifunctional ecological floating island comprises the following steps:
(1) preparation of floatable porous water purification substrate: taking raw materials according to mass ratio, referring to example 4 in table 1, uniformly mixing, adding water with the total mass of 40% and hydrogen peroxide with the mass concentration of 5% 27%, stirring for 15s, pouring into a mold, curing for 1 day, forming (in a pebble shape), polishing to remove surface coatings, and drilling a through hole 2;
(2) and (4) placing the floatable porous water purification base material into a twisted hexagonal Bingge net woven net cage, and sealing the net cage. The net cage is shaped as a diamond table. The floatable porous water purification substrate had an average porosity of 60%.
Ultramarine can also be added into the raw material of the floatable porous water purification base material, wherein the mass of the ultramarine is 8 percent of the mass of the raw material.
A multifunctional ecological floating island with the volume of 4 cubic meters is placed in a water area with the depth of 1m and the water quality purification detection result is as follows:
TABLE 5
Example 10
A preparation method of a multifunctional ecological floating island comprises the following steps:
(1) preparation of floatable porous water purification substrate: taking raw materials according to mass ratio, referring to example 5 in Table 1, uniformly mixing, adding 30% of water and 1% of hydrogen peroxide with the mass concentration of 27% by mass, stirring for 10-30 s, pouring into a mold, curing for 2 days to form a pebble shape, polishing to remove a surface coating, and drilling a through hole 2;
(2) and (4) placing the floatable porous water purification base material into the hook-flower net woven net cage, and sealing the net cage. The net cage is in a shape of a ladder platform.
The floatable porous water purification substrate had an average porosity of 30%.
Lead-chromium green with the mass of 8 percent of the raw material can also be added into the raw material of the floatable porous water purification base material.
A multifunctional ecological floating island with the volume of 4 cubic meters is placed in a water area with the depth of 1m and the water quality purification detection result is as follows:
TABLE 6
The adjacent net cages are connected by galvanized iron wires, steel wire ropes and the like on the side lines of the tops.
The aquatic plants are put into the through holes 2 of the floatable porous water purification base material, and the multifunctional ecological floating island is put into the sewage.
The mould can be pebble-shaped, cube, cuboid, trapezoidal table and other irregular shapes.
Claims (8)
1. A multifunctional ecological floating island comprises a net cage, wherein a floatable porous water purification base material is arranged in the net cage, and the multifunctional ecological floating island is characterized in that the floatable porous water purification base material is prepared by the following method: taking the following raw materials in percentage by mass: 10-30% of ordinary portland cement, 30-60% of quick-hardening sulphoaluminate cement, 5-20% of fly ash, 2-10% of steel slag, 1-5% of grass carbon ash, 1-5% of rice hull ash, 2-10% of perlite, 0.01-0.2% of betaine, 0.01-0.1% of dimethyl-beta-thiothixene propionate, 0.5-3% of shell powder, 0.1-3% of fish bone powder and 0.5-8% of zeolite powder, uniformly mixing, adding 30-55% of water and 1-8% of hydrogen peroxide with the mass concentration of 27%, stirring for 10-30 s, pouring into a mold, curing and molding, and polishing to remove a surface coating.
2. The multifunctional ecological floating island according to claim 1, wherein the floatable porous water purification substrate is manufactured by the following method: taking the following raw materials in percentage by mass: 20-25% of ordinary portland cement, 44-50% of quick-hardening sulphoaluminate cement, 10-11% of fly ash, 4-5% of steel slag, 2-3% of grass carbon ash, 3-4% of rice hull ash, 2-3% of perlite, 0.1% of betaine, 0.1% of dimethyl-beta-thiocotine propionate, 2-3% of shell powder, 1.8% of fishbone powder and 2-3% of zeolite powder, uniformly mixing, adding 40-45% of water and 4-4.5% of hydrogen peroxide with the mass concentration of 27%, stirring for 10-30 s, pouring into a mold for curing and forming, and polishing to remove a surface coating.
3. The multifunctional ecological floating island according to claim 1 or 2, wherein planting holes are formed in the floatable porous water purification substrate.
4. The multifunctional ecological floating island according to claim 1 or 2, wherein the net cage is a twisted hexagonal bingo net woven net cage, a crocheted net woven net cage or a guardrail net woven net cage.
5. A preparation method of a multifunctional ecological floating island is characterized by comprising the following steps:
(1) preparation of floatable porous water purification substrate: taking the following raw materials in percentage by mass: 10-30% of ordinary portland cement, 30-60% of fast-hardening sulphoaluminate cement, 5-20% of fly ash, 2-10% of steel slag, 1-5% of grass carbon ash, 1-5% of rice hull ash, 2-10% of perlite, 0.01-0.2% of betaine, 0.01-0.1% of dimethyl-beta-thiotepropionic acid, 0.5-3% of shell powder, 0.1-3% of fishbone powder and 0.5-8% of zeolite powder, uniformly mixing, adding 30-55% of water and 1-8% of hydrogen peroxide with the mass concentration of 27%, stirring for 10-30 s, pouring into a mold for curing and molding, and polishing to remove a surface coating;
(2) and (4) placing the floatable porous water purification base material into the net cage, and sealing the net cage.
6. The method as set forth in claim 5, wherein the porous water purification substrate floatable in the step (1) is prepared by: taking the following raw materials in percentage by mass: 20-25% of ordinary portland cement, 44-50% of quick-hardening sulphoaluminate cement, 10-11% of fly ash, 4-5% of steel slag, 2-3% of grass carbon ash, 3-4% of rice hull ash, 2-3% of perlite, 0.1% of betaine, 0.1% of dimethyl-beta-thiocotine propionate, 2-3% of shell powder, 1.8% of fishbone powder and 2-3% of zeolite powder, uniformly mixing, adding 40-45% of water and 4-4.5% of hydrogen peroxide with the mass concentration of 27%, stirring for 10-30 s, pouring into a mold for curing and forming, and polishing to remove a surface coating.
7. The method as claimed in claim 5 or 6, wherein the floatable porous water purification substrate is provided with planting holes.
8. The method as claimed in claim 5 or 6, wherein the net cage is a twisted hexagonal bingo net woven net cage, a crocheted net woven net cage or a fence net woven net cage.
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| US5528856A (en) * | 1995-02-15 | 1996-06-25 | Landmark Reclamation, Inc. | Biomass impoundment management system for purifying water |
| CN103739076A (en) * | 2013-12-17 | 2014-04-23 | 昆山瀚潮环保科技有限公司 | Wide-adaptability water-purification ecological floating island |
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| CN204897532U (en) * | 2015-05-14 | 2015-12-23 | 河北益生环保科技有限公司 | Biofilm carrier artificial ecology chinampa |
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