CN111039417A - Bio-based artificial aquatic weed - Google Patents
Bio-based artificial aquatic weed Download PDFInfo
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- CN111039417A CN111039417A CN201911363015.3A CN201911363015A CN111039417A CN 111039417 A CN111039417 A CN 111039417A CN 201911363015 A CN201911363015 A CN 201911363015A CN 111039417 A CN111039417 A CN 111039417A
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- Prior art keywords
- aquatic weed
- bio
- based artificial
- net
- fibers
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/145—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from pitch or distillation residues
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/16—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate
Abstract
The invention relates to the technical field of water body ecological environment protection and ecological restoration, in particular to a bio-based artificial aquatic weed, which comprises an aquatic weed carrier and a plurality of bundles of aquatic weed fibers arranged on the aquatic weed carrier, wherein the aquatic weed carrier comprises a fixing frame, a connecting net is arranged in the fixing frame, the bottom of the aquatic weed fibers is provided with a connecting sheet, the connecting sheet is fixed by at least spanning one mesh, the connecting sheet is connected with the fixing net through a binding belt, the aquatic weed fibers are composed of mesoporous activated carbon fibers prepared by mixing modulated asphalt, starch plastic and α -methyl cellulose, the bio-based artificial aquatic weed is connected with the connecting net through the connecting sheet, the mounting and dismounting efficiency of the aquatic weed fibers and the distance adjusting efficiency between adjacent aquatic weed fibers are higher, the mounting and dismounting efficiency of the aquatic weed fibers are effectively improved, the polytetrafluoroethylene material can prevent the carrier from rusting or being corroded after being in water for a long time, and effectively prolongs the service lives of the connecting net and the fixing.
Description
Technical Field
The invention relates to the technical field of water body ecological environment protection and ecological restoration, in particular to a bio-based artificial aquatic weed.
Background
In the water body, the pollution is increased, aquatic animals and plants are difficult to grow, the self-cleaning capacity of rivers is low, the eutrophication degree and range of the water body are gradually developed, and the phenomena of stinking, greening and blackening of the water body even appear in some rivers. The water purifying bacteria have the fixed living characteristics, so that a place for providing attachment, masking and bait is necessarily needed, many water purifying bacteria cannot breed until a proper carrier is not found, an ammonia source and a nutrient source cannot be utilized, and the water purifying bacteria have a life cycle in a water body. If only bacteria live in the water body, the need for the bacteria to multiply can not be met, which severely limits the number of bacteria from increasing.
The bio-based artificial aquatic plants provide inhabitation environment for various microorganisms due to huge attachment surface area and strong adsorption performance, so that the microorganisms can propagate and grow in a large quantity and become the basis of a micro-ecological network.
2018221146702 discloses an artificial aquatic weed for purifying water in river, which comprises a casing, wherein the casing is fixedly provided with planting matrix, the top of the planting matrix is provided with a plurality of uniformly distributed mounting grooves, each mounting groove is internally provided with artificial aquatic weed by using a strong pearl thread, the artificial aquatic weed is fixedly sleeved with a grass fiber binding belt close to the planting matrix, the bottom of the casing is fixedly provided with biological filler, the two side walls of the biological filler and the lower surface of the casing are fixedly provided with fixing belts, the two side walls of the biological filler are provided with two symmetrically arranged floating boxes, the bottom of the biological filler is fixedly provided with a transversely arranged sleeve by a pipe clamp, the sleeve is fixedly sleeved with a jute binding sleeve, and the jute binding sleeve is sewn with a plurality of same non-woven fabrics, thus solving the problems of complicated and difficult installation process of the artificial aquatic weed, however, as can be seen from the disclosure, the above prior art does not solve the problem of degradation of the artificial aquatic plants after long-term use, which causes environmental pollution to some extent.
Disclosure of Invention
The purpose of the invention is: overcomes the defects in the prior art, and provides the bio-based artificial aquatic weed with large adsorption area and easy degradation.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a bio-based artificial aquatic weed comprises an aquatic weed carrier and a plurality of bundles of aquatic weed fibers arranged on the aquatic weed carrier, wherein the aquatic weed carrier comprises a fixed frame, a connecting net is arranged in the fixed frame, the bottom of the aquatic weed fibers is provided with a connecting sheet, the connecting sheet at least spans one mesh for fixation, and the connecting sheet is connected with the fixed net through a binding belt;
the aquatic weed fiber is composed of a mesoporous activated carbon fiber prepared by mixing prepared asphalt, starch plastic and α -methyl cellulose, and the mass ratio of the asphalt, the starch plastic and the α -methyl cellulose is (4-6): 2-3: 1-4.
Further, the bandage includes fixed orifices and connecting strip, the width and the thickness of connecting strip and the aperture size phase-match of connecting hole, be provided with a plurality of spacing grooves on the connecting strip, be provided with in the fixed orifices with spacing groove assorted latch.
Further, the fixed orifices and the connecting strips are respectively located on the connecting pieces on two sides of the bottom of the float grass fiber bundle, an included angle between the contact surface of the limiting groove and the latch and the bottom of the limiting groove is an acute angle, and the longitudinal section of the latch is an acute angle.
Further, be connected through threaded connection pole and nut between connecting net and the fixed frame, structure as an organic whole between threaded connection pole and the connecting net, it has a plurality of connecting holes to open on the connecting frame.
Furthermore, the connecting net, the threaded connecting rod and the screw cap are made of polytetrafluoroethylene.
Furthermore, the surface of the aquatic weed fiber is provided with a circle of external threads, and the external threads are spirally arranged on the surface of the aquatic weed fiber.
Furthermore, a plurality of floating balls are connected to the connecting frame.
Further, the preparation method of the aquatic weed fiber comprises the following steps:
(1) after the prepared juiceAdding Y (CH) into folium Isatidis3COCHCOCH3)3.2H2Dissolving starch plastic and α -methyl cellulose in DMF to obtain a mixed solution of degradable high polymer materials, and spinning the mixed solution of yttrium-containing asphalt and the degradable high polymer materials into mixed fibers through dry-jet wet spinning;
(2) the mixed fiber is insolubilized, carbonized and activated to prepare the mesoporous activated carbon fiber.
Further, the carbonization conditions are as follows: in the nitrogen flow, the temperature is raised to 900-.
The technical scheme adopted by the invention has the beneficial effects that:
according to the bio-based artificial aquatic weed, the aquatic weed fibers are connected with the connecting net through the connecting sheets, the efficiency of installing and detaching the aquatic weed fibers and adjusting the distance between the adjacent aquatic weed fibers is higher, and therefore the efficiency of installing and detaching the aquatic weed fibers is effectively improved; be provided with in the fixed orifices with spacing groove assorted latch, contained angle between the contact surface of spacing groove and latch and the bottom of spacing groove is the acute angle, the rip cutting of latch is the acute angle, adopt this structure, the bandage is fixed the back, pasture and water fibre and the installation between the connecting net are more stable, long-term the using in aqueous, can not take place to become flexible, the connecting net, the material of threaded connection pole and nut is polytetrafluoroethylene, adopt polytetrafluoroethylene material, can avoid the carrier to become rusty or corroded in aqueous long-time aftergrowth, thereby effectively prolong the life of connecting net and fixed frame.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein the content of the first and second substances,
FIG. 1 is a schematic structural diagram of a bio-based artificial aquatic weed in the present invention.
FIG. 2 is a schematic view of the structure of the aquatic weed fiber of the present invention.
In the figure: 1 fixed frame, 2 connecting nets, 3 threaded connection pole 3, 4 nuts, 5 pasture and water fibre, 6 connection pieces, 7 fixed orificess, 8 spacing grooves, 9 floater.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Referring to fig. 1 and 2, a bio-based artificial aquatic weed comprises an aquatic weed carrier and a plurality of bundles of aquatic weed fibers 5 arranged on the aquatic weed carrier, wherein the aquatic weed carrier comprises a fixing frame 1, a connecting net 2 is arranged in the fixing frame 1, a connecting sheet 6 is arranged at the bottom of the aquatic weed fibers 5, the connecting sheet 6 at least spans one mesh for fixation, the connecting sheet 6 is connected with the fixing net through a binding band, the aquatic weed fibers 5 are connected with the connecting net 2 through the connecting sheet 6, the efficiency of installing and disassembling the aquatic weed fibers 5 and adjusting the distance between the adjacent aquatic weed fibers 5 is higher, and therefore the efficiency of installing and disassembling the aquatic weed fibers 5 is effectively improved;
the binding belt comprises a fixing hole 7 and a connecting strip, the width and the thickness of the connecting strip are matched with the aperture size of the connecting hole, a plurality of limiting grooves 8 are arranged on the connecting strip, a latch matched with the limiting grooves 8 is arranged in the fixing hole 7, the fixing hole 7 and the connecting strip are respectively positioned on connecting sheets 6 at two sides of the bottom of the float grass fiber 5 bundle, the included angle between the contact surface of the limiting grooves 8 and the latch and the bottom of the limiting grooves 8 is an acute angle, the longitudinal section of the latch is an acute angle, by adopting the structure, after the binding belt is fixed, the installation between the float grass fiber 5 and the connecting net 2 is more stable, the binding belt can not be loosened after being used in water for a long time, the connecting net 2 is connected with the fixing frame 1 through a threaded connecting rod 3 and a nut 4, an integrated structure is formed between the threaded connecting rod 3 and the connecting net 2, the connecting frame is provided with a plurality of connecting holes, the connection net 2, the material of threaded connection pole 3 and nut 4 is polytetrafluoroethylene, adopt the polytetrafluoroethylene material, can avoid the carrier to become rusty or corroded in the long-time back of aquatic, thereby effectively prolong the life of connection net 2 and fixed frame 1, pasture and water fibre 5's surface has the round external screw thread, the external screw thread is the heliciform setting at pasture and water fibre 5's surface, the structural design of external screw thread, the surface area of pasture and water fibre 5 has been improved, thereby further improved the adsorption rate of pasture and water fibre 5 to heavy metal ion, the adsorbable area of microorganism has also been improved simultaneously, the quantity of the adsorbed microorganism of pasture and water fibre 5 has been increased, thereby show and improve water purification efficiency, be connected with a plurality of floater 9 on the connection frame, be connected with a plurality of floater 9 on the fixed frame 1, the quantity and the volume size of floater 9 are confirmed according to the in-.
Implementation mode one
The aquatic weed fiber 5 is composed of a mesoporous activated carbon fiber prepared by mixing prepared asphalt, starch plastic and α -methyl cellulose, wherein the mass ratio of the asphalt, the starch plastic and the α -methyl cellulose is 4:2: 4.
The preparation method of the aquatic weed fiber 5 comprises the following steps:
(1) adding Y (CH) into the prepared asphalt3COCHCOCH3)3.2H2Dissolving starch plastic and α -methyl cellulose in DMF to obtain a mixed solution of degradable high polymer materials, and spinning the mixed solution of yttrium-containing asphalt and the degradable high polymer materials into mixed fibers through dry-jet wet spinning;
(2) the mixed fiber is subjected to insolubilization, carbonization and activation to prepare the mesoporous activated carbon fiber, wherein the carbonization conditions are as follows: in a nitrogen flow, the temperature is raised to 900 ℃ at a rate of 10 ℃/min.
Second embodiment
The aquatic weed fiber 5 is composed of a mesoporous activated carbon fiber prepared by mixing prepared asphalt, starch plastic and α -methyl cellulose, wherein the mass ratio of the asphalt, the starch plastic and the α -methyl cellulose is 5:3: 2.
The preparation method of the aquatic weed fiber 5 comprises the following steps:
(1) adding Y (CH) into the prepared asphalt3COCHCOCH3)3.2H2O obtaining yttrium-containing asphalt, dissolving starch plastic and α -methyl cellulose in DMF to obtain mixed solution of degradable high polymer material, and dissolving yttrium-containing asphaltSpinning the mixed fiber by dry-jet wet spinning of the asphalt in the mixed solution of the degradable high polymer material;
(2) the mixed fiber is subjected to insolubilization, carbonization and activation to prepare the mesoporous activated carbon fiber, wherein the carbonization conditions are as follows: in a nitrogen flow, the temperature was raised to 950 ℃ at a rate of 10 ℃/min.
Third embodiment
The aquatic weed fiber 5 is composed of a mesoporous activated carbon fiber prepared by mixing prepared asphalt, starch plastic and α -methyl cellulose, wherein the mass ratio of the asphalt, the starch plastic and the α -methyl cellulose is 6:3: 1.
The preparation method of the aquatic weed fiber 5 comprises the following steps:
(1) adding Y (CH) into the prepared asphalt3COCHCOCH3)3.2H2Dissolving starch plastic and α -methyl cellulose in DMF to obtain a mixed solution of degradable high polymer materials, and spinning the mixed solution of yttrium-containing asphalt and the degradable high polymer materials into mixed fibers through dry-jet wet spinning;
(2) the mixed fiber is subjected to insolubilization, carbonization and activation to prepare the mesoporous activated carbon fiber, wherein the carbonization conditions are as follows: in a nitrogen flow, the temperature is raised to 1000 ℃ at a rate of 10 ℃/min.
The bio-based artificial aquatic weed is placed in a circulating water body for 72 hours, the concentration of heavy metal ions in the water body before and after the placement of the bio-based artificial aquatic weed is detected, and the detection result is as follows: before treatment, Cu in the water body2+And Zn2+The contents of the Cu are respectively 1.95mg/L and 3.28mg/L, and the Cu in the treated water body2+And Zn2+The content of the water-soluble organic compound is 0.98mg/L and 2.18mg/L respectively, which shows that the artificial aquatic weed has higher adsorbability to heavy metal ions in the water body.
The sample materials of embodiments 1 to 3 were placed in a composting container after being mixed with compost seeds, and sufficiently composted under conditions of a constant oxygen, temperature (58 ± 2 ℃), and humidity (52 to 54%), and the final release amount of carbon dioxide was measured 45 days after the material was degraded (5 months at the maximum), and the biodegradation rate of the material was expressed by the ratio of the actual release amount of carbon dioxide to the theoretical maximum release amount thereof, and the degradation rates of the samples of embodiments 1 to 3 after 45 days were measured to be 80%, 82%, and 85%, respectively.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides a biobased artifical pasture and water, includes pasture and water carrier and sets up a plurality of bundles of pasture and water fibre on the pasture and water carrier which characterized in that: the float grass carrier comprises a fixed frame, a connecting net is arranged in the fixed frame, a connecting sheet is arranged at the bottom of float grass fibers, the connecting sheet at least spans one mesh for fixation, and the connecting sheet is connected with the fixed net through a binding band;
the aquatic weed fiber is composed of a mesoporous activated carbon fiber prepared by mixing prepared asphalt, starch plastic and α -methyl cellulose, and the mass ratio of the asphalt, the starch plastic and the α -methyl cellulose is (4-6): 2-3: 1-4.
2. The bio-based artificial aquatic weed according to claim 1, wherein: the bandage includes fixed orifices and connecting strip, the width and the thickness of connecting strip and the aperture size phase-match of connecting hole, be provided with a plurality of spacing grooves on the connecting strip, be provided with in the fixed orifices with spacing groove assorted latch.
3. The bio-based artificial aquatic weed according to claim 2, wherein: the fixing hole and the connecting strip are respectively located on the connecting pieces on two sides of the bottom of the float grass fiber bundle, an included angle between the contact surface of the limiting groove and the clamping teeth and the bottom of the limiting groove is an acute angle, and the longitudinal section of the clamping teeth is an acute angle.
4. The bio-based artificial aquatic weed according to claim 1, wherein: the connecting net is connected with the fixed frame through a threaded connecting rod and a nut, the threaded connecting rod and the connecting net are of an integrated structure, and the connecting frame is provided with a plurality of connecting holes.
5. The bio-based artificial aquatic weed according to claim 4, wherein: the connecting net, the threaded connecting rod and the screw cap are made of polytetrafluoroethylene.
6. The bio-based artificial aquatic weed according to claim 1, wherein: the surface of the aquatic weed fiber is provided with a circle of external threads, and the external threads are spirally arranged on the surface of the aquatic weed fiber.
7. The bio-based artificial aquatic weed according to claim 1, wherein: the connecting frame is connected with a plurality of floating balls.
8. The bio-based artificial aquatic weed according to claim 1, wherein: the preparation method of the aquatic weed fiber comprises the following steps:
(1) adding Y (CH) into the prepared asphalt3COCHCOCH3）3.2H2Dissolving starch plastic and α -methyl cellulose in DMF to obtain a mixed solution of degradable high polymer materials, and spinning the mixed solution of yttrium-containing asphalt and the degradable high polymer materials into mixed fibers through dry-jet wet spinning;
(2) the mixed fiber is insolubilized, carbonized and activated to prepare the mesoporous activated carbon fiber.
9. The bio-based artificial aquatic weed according to claim 8, wherein: the carbonization conditions are as follows: in the nitrogen flow, the temperature is raised to 900-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911363015.3A CN111039417A (en) | 2019-12-26 | 2019-12-26 | Bio-based artificial aquatic weed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911363015.3A CN111039417A (en) | 2019-12-26 | 2019-12-26 | Bio-based artificial aquatic weed |
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| CN111039417A true CN111039417A (en) | 2020-04-21 |
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| CN201911363015.3A Pending CN111039417A (en) | 2019-12-26 | 2019-12-26 | Bio-based artificial aquatic weed |
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Application publication date: 20200421 |