CN109912291B - Graphene polyester fiber soil cultivation planting soil and manufacturing method thereof - Google Patents
Graphene polyester fiber soil cultivation planting soil and manufacturing method thereof Download PDFInfo
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- CN109912291B CN109912291B CN201811422306.0A CN201811422306A CN109912291B CN 109912291 B CN109912291 B CN 109912291B CN 201811422306 A CN201811422306 A CN 201811422306A CN 109912291 B CN109912291 B CN 109912291B
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Abstract
The invention relates to graphene polyester fiber soil cultivation planting soil and a manufacturing method thereof, wherein the manufacturing method of the graphene polyester fiber soil cultivation planting soil mainly comprises the steps of melt extrusion spinning, cooling forming, tabletting, slicing, mixing graphene PET fragments with soil and packaging; the graphene polyester fiber soil-tillage planting soil can effectively emit far infrared rays by using graphene, plants can utilize the far infrared rays in the growth process, and the far infrared rays can split large water molecule clusters into small water molecules; the small water molecules are easier to be absorbed by plants relative to the large water molecule groups, so that nutrients and mineral substances in the soil can be decomposed, absorbed and used more easily; meanwhile, the far infrared rays can promote the growth of plant cells and accelerate the metabolism efficiency of plants, so that the plants can grow healthily.
Description
Technical Field
The invention relates to the technical field of landscaping engineering and planting, in particular to planting soil suitable for greening planting.
Background
Environmental greening has become a focus of people's attention in life, and nowadays, greening is needed not only outdoors but also indoors is demanded by more and more people. Urban landscaping engineering is one of important projects in urban construction, and in recent years, along with the increasing severity of urban pollution, the importance of landscaping engineering is more obviously reflected.
However, in the process of urban landscaping, due to the problem in soil, landscaping needs special maintenance, difficulty is increased in maintenance and management processes, the effect of many cities in the process of landscaping is not ideal, and the problem is not caused by error in maintenance and management, on one hand, due to the soil factor, soil must be deeply known, the problem that garden planting is not facilitated in soil is found out, and the problem is improved, so that garden planting and plant growth quality is improved.
Graphene is a planar thin film in a hexagonal lattice, and is a 2-dimensional material with a thickness of only one carbon atom. It is the thinnest of known materials, and has very firm and hard material, very low resistivity, fast electron moving speed and very high conductivity. In terms of heat conduction, it is now known as the most overturned material of the 21 st century, rather than all other materials known so far.
In addition, graphene has also received wide biological interest in recent years, including biological detection, biological imaging and biological components, among others. Graphene is easily saturated and can absorb and radiate up to 40% of far infrared rays.
Far Infrared (FIR) refers to a light wave in the 4-1000 μm region of the spectrum, and belongs to the wavelength range of Infrared. Which is located outside the red light of the visible spectrum and is invisible. The definition of the range of far infrared rays is often different in different schools, for example, far infrared rays are often defined as electromagnetic waves having a wavelength between 25 μm and 350 μm in astronomy. The organism can sense and absorb its energy in the form of heat.
The far infrared ray is determined to be a light wave beneficial to animals and plants, wherein the most essential wavelength is called as the light for growth, the wavelength is 6-14 μm, the most effective resonance can be generated with water molecules of cells in organisms, and the far infrared ray has permeability, so that the growth of the animals and plants is effectively promoted, the activation of enzyme activity is facilitated, and the germination is accelerated. Enzymes are large molecular biocatalysts, and almost all intracellular metabolic processes are inseparable enzymes, which can greatly accelerate the rate at which each chemical reaction proceeds in these processes. The chemical reactions of the enzymes depend on the hydrolysis process, so the size and quality of water molecular groups are closely related to the reaction process, and the smaller the water molecular groups, the greater the activation and efficacy of the enzymes. The wavelength oscillation of the far infrared rays can make the water molecular groups small, and the small water molecular groups are generally called small molecular water.
When the smaller water molecule groups contact the cell surface, hydrogen bonds are more efficiently opened, the water molecules are separated into single water molecules, and the single water molecules rapidly pass through a water channel of a cell membrane, so that the cells are rapidly replenished with water. Therefore, the small water molecules have stronger permeability and can help substances such as nutrients, mineral elements and the like to be quickly transported and enter cells. In addition, small water molecules in soil can accelerate the water absorption of plant roots and seed germination, and accelerate the decomposition and absorption of nutrition in soil.
The water is composed of numerous H2O water molecules, like a bunch of grapes, which coalesce together into large and small clusters of water molecules. Small water clusters are aggregated with 10 or less water molecules and detected by Nuclear Magnetic Resonance (NMR) to be about 100Hz or less, while water clusters generally contain about 15 water molecules and are detected by resonance to be about 125Hz or less.
However, tap water, well water, river water, and rainwater are generally about 15 water molecular groups or more. Most of natural small molecular water masses in nature are buried in spring water under the ground or deep ocean water. Some water sources called longevity villages are influenced by minerals and/or external energy, the average value is between 80Hz and 90Hz through resonance detection, and the vegetables and fruits planted by the water sources grow fast and are healthy, particularly fresh, sweet and delicious, and the nutritional value is high.
Some lamp products for planting are provided in the market due to the benefit of far infrared rays, but the lamp products are not popularized in agriculture due to the problems of power consumption, installation facilities, cost and the like.
Disclosure of Invention
In view of the existing problems, the invention aims to provide a method for manufacturing graphene polyester fiber soil cultivation soil, which aims to solve the technical defects. In order to achieve the purpose, the invention adopts the following technical scheme:
the method for manufacturing the graphene polyester fiber soil cultivation planting soil comprises the following implementation steps:
s1, mixing the graphene and the PET material to prepare a mother material particle: adding 90-100 mesh graphene powder and 90-100 mesh PET material into a reaction kettle, stirring, fully mixing, and heating to enable the graphene and the PET material to react to generate mother material particles;
s2, melt extrusion spinning: adding the master batch particles into a melt extrusion spinning device, heating to enable the master batch particles to be in a molten state, and extruding and spinning the molten master batch to form graphene PET coiled wires;
s3, cooling and forming: enabling the sprayed high-temperature uncured graphene PET coiled wires to pass through a cooling channel, and cooling and forming the graphene PET coiled wires;
s4, tabletting: enabling the formed graphene PET coiled wires to pass through a calender to enable the graphene PET coiled wires to be flaky;
s5, slicing: passing the flaky graphene PET rolled wire through a cutting machine, and cutting the flaky graphene PET rolled wire into a section of graphene PET fragments by the cutting machine;
s6, mixing the graphene PET chips with soil: adding the graphene PET fragments and soil into a stirrer for fully stirring, and fully mixing the graphene PET fragments and the soil to prepare graphene polyester fiber soil-ploughing planting soil;
s7, packaging: and packaging the fully mixed graphene polyester fiber soil cultivation planting soil by using a packaging bag.
The method comprises the following specific steps of mixing graphene and a PET material to prepare a mother material particle in S1:
s11, mixing the PET raw material with graphene: mixing a 90-100 mesh PET material with a graphene material, and continuously stirring;
s12, heating reaction: after the graphene material and the PET material are fully mixed, feeding the mixed material into a circulating boiler for heating treatment, and adding a buffering agent to improve the dispersion and permeation effect;
s13, temperature rise dispersion: further raising the temperature in the circulating boiler and continuously stirring to uniformly disperse and dissolve the graphene material;
s14, cooling and granulating: and cooling and granulating the dissolved master batch slurry to form master batch particles.
The PET material and the graphene material are mixed according to the mass mixing ratio: 3-5% of graphene material and 95-97% of PET material; adding a buffering agent while heating the graphene and the PET material to improve the dispersion and permeation effect, wherein the mass ratio of the added buffering agent to the mixture of the graphene and the PET material is 1: 15000-1: 1000, parts by weight; the mixing proportion of the soil and the graphene PET fragments is as follows: correspondingly adding 10 kg-15 kg of soil into 1kg of graphene PET sheets.
Wherein, the melt extrusion spinning device comprises a hopper, a high-temperature extrusion barrel and a nozzle in the S2 process; the feed inlet of the high-temperature extrusion cylinder is communicated with the discharge end of the hopper, and the nozzle is fixed at the discharge outlet of the high-temperature extrusion cylinder; the mother material grains are fully mixed in a hopper, then are conveyed into a high-temperature extrusion barrel for further melting treatment, and finally are extruded into filaments at the ejection end of a nozzle for ejection.
The high-temperature extrusion barrel comprises a barrel and a screw, and the screw is rotatably fixed on the central axis of the barrel; the outer wall of the charging barrel is provided with an electric heating ring, and the heating temperature of the electric heating ring reaches 230-250 ℃;
after the master batch particles are added into the hopper, the rotating screw continuously sends the master batch particles into the charging barrel, and meanwhile, the electric heating rings release heat to enable the temperature in the charging barrel to be 230-250 ℃; the master batch particles fed into the cylinder are heated continuously and are ground and extruded by the rotating screw, so that the master batch particles are fully melted into a pulp flow state.
The device comprises a nozzle, a nozzle cover, a sealing gasket and a sealing gasket, wherein the spraying end of the nozzle is provided with a hole extruding sheet, the hole extruding sheet is fixed at the spraying end of the nozzle through threaded fit, and the sealing gasket is arranged between the hole extruding sheet and the spraying end of the nozzle; the hole extruding sheet is provided with a plurality of small holes with different shapes, and the shapes of the small holes comprise crescent, semicircle and ellipse;
the master batch particles in the flow pulp state are ejected from the small holes in the hole extrusion sheet, graphene PET (polyethylene terephthalate) rolled threads in different shapes can be formed by the ejection of different small holes, and the bending curvatures of the graphene PET rolled threads ejected from different small holes are different.
Wherein, in the cooling and forming process of S3, an air cooling mode is used; the cooling channel comprises an outer air supply layer and an inner air supply layer, the inner air supply layer is arranged on the central axis of the outer air supply layer, and a channel is formed between the outer air supply layer and the inner air supply layer; the inner air supply layer and the outer air supply layer are both provided with uniformly distributed vent holes, and the vent holes are obliquely formed downwards from the inside of the channel;
and the cold air of 8-12 degrees continuously blows out from the vent hole obliquely upwards, and when the sprayed high-temperature uncured graphene PET rolled wire passes through the cooling channel, the cold air cools the graphene PET rolled wire and accelerates the curing and forming of the graphene PET rolled wire.
The graphene polyester fiber soil cultivation planting soil is characterized by comprising the following components:
a PET material;
a graphene material;
and (4) soil.
The graphene material is modified graphene powder modified by a surface treatment agent, and the soil is pollution-free and germ-free and is modified soil with uniform soil particle size.
The material mass ratio of the PET material to the graphene material is that the graphene material accounts for 3-5% and the PET material accounts for 95-97%; the proportion of the mixed material of the PET material and the graphene material to the modified soil is 1: 10-1: 15.
The invention has the beneficial effects that:
compared with the prior art, the graphene polyester fiber soil cultivation planting soil is prepared by fusing the graphene material in the PET material and mixing the mixed material consisting of the graphene and the PET material with soil. Graphene materials are fused in PET materials, and then mixed materials consisting of the graphene and the PET materials are mixed with soil to prepare the graphene polyester fiber soil-ploughing planting soil. The PET material is used as a carrier, and graphene is fused in the PET material, so that the graphene can exist more stably and can be mixed with soil more conveniently; the graphene can effectively emit far infrared rays, and the far infrared rays can split large water molecule groups into small water molecules; the small water molecules are easier to be absorbed by plants relative to the large water molecule groups, so that the nutrients and mineral substances in the soil can be more easily decomposed, absorbed and used; meanwhile, the far infrared rays can promote the growth of plant cells and accelerate the metabolism efficiency of plants, the self property of the graphene is mainly utilized when the functions are realized, and the use and the dependence on some artificial equipment are not needed, so the use is simple and convenient, and the maintenance is not needed.
Drawings
FIG. 1 is a flow chart for manufacturing the graphene polyester fiber soil cultivation planting soil;
FIG. 2 is a structural diagram of a melt extrusion spinning device and a cooling channel used in the process of manufacturing the master batch particles into the graphene PET rolled filaments;
FIG. 3 is a schematic diagram of a process for preparing graphene PET chips from graphene PET rolled filaments;
fig. 4 is an enlarged view of the hole-extruding sheet.
1. Hopper 2 and charging barrel
3. Electric heating ring 4, screw
5. Nozzle 6, hole extruding sheet
7. Inner air supply layer 8 and outer air supply layer
9. Vent 10, calender
11. A cutting machine.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and examples.
The method for manufacturing the graphene polyester fiber soil cultivation planting soil comprises the following implementation steps:
specific example 1:
s1, mixing the graphene and the PET material to prepare a mother material particle: adding 90-mesh graphene powder and 90-mesh PET material into a reaction kettle, stirring, fully mixing, and heating to enable the graphene and the PET material to react to generate mother material particles; the material mass ratio of the PET material to the graphene material is that the graphene material accounts for 3% and the PET material accounts for 97%;
the method comprises the following specific steps of mixing graphene and a PET material to prepare a mother material particle in S1:
s11, mixing the PET raw material with graphene: mixing a 90-mesh PET material with a graphene material, and continuously stirring;
s12, heating reaction: after the graphene material and the PET material are fully mixed, the mixed material is sent into a circulating boiler for heating treatment, and a buffering agent is added to improve the dispersion and permeation effect, wherein the mass ratio of the added buffering agent to the mixture of the graphene material and the PET material is 1: 15000;
s13, temperature rise dispersion: further raising the temperature in the circulating boiler and continuously stirring to uniformly disperse and dissolve the graphene material;
s14, cooling and granulating: and cooling and granulating the dissolved master batch slurry to form master batch particles.
S2, melt extrusion spinning: adding the master batch particles into a melt extrusion spinning device, heating to enable the master batch particles to be in a molten state, and extruding and spinning the molten master batch to form graphene PET coiled wires;
s3, cooling and forming: enabling the sprayed high-temperature uncured graphene PET coiled wires to pass through a cooling channel, and cooling and forming the graphene PET coiled wires;
s4, tabletting: enabling the formed graphene PET coiled wires to pass through a calender 10, and enabling the graphene PET coiled wires to be flaky;
s5, slicing: enabling the flaky graphene PET coiled wires to pass through a cutting machine 11, and cutting the flaky graphene PET coiled wires into a section of graphene PET fragments by the cutting machine 11;
s6, mixing the graphene PET chips with soil: adding the graphene PET fragments and soil into a stirrer for fully stirring, and fully mixing the graphene PET fragments and the soil to prepare graphene polyester fiber soil-ploughing planting soil; the mass ratio of the mixed material of the PET material and the graphene material to the modified soil is 1: 10;
s7, packaging: and packaging the fully mixed graphene polyester fiber soil cultivation planting soil by using a packaging bag.
Graphene materials are fused in PET materials, and then mixed materials consisting of the graphene and the PET materials are mixed with soil to prepare the graphene polyester fiber soil-ploughing planting soil. The PET material is used as a carrier, graphene is fused in the PET material, so that the graphene can exist more stably, and can be mixed with soil more conveniently, and the graphene polyester fiber soil cultivation planting soil can be more convenient to ventilate and seep through the loose structure of the graphene PET fragments; the graphene can effectively emit far infrared rays, and the far infrared rays can split large water molecule groups into small water molecules; the small water molecules are easier to be absorbed by plants relative to the large water molecule groups, so that the nutrients and mineral substances in the soil can be more easily decomposed, absorbed and used; meanwhile, the far infrared rays can also promote the growth of plant cells and accelerate the metabolism efficiency of plants; the functions are realized by mainly utilizing the properties of graphene, and the graphene is simple and convenient to use and free from maintenance because the graphene does not need to be used or depend on some artificial equipment. When the graphene polyester fiber soil cultivation soil is used, the graphene polyester fiber soil cultivation soil is only laid on the soil to be planted, and then seeds or seedlings are put in the graphene polyester fiber soil cultivation soil, and normal cultivation methods such as water spraying and fertilizer application are adopted as usual, and no extra work or facilities are needed.
In this embodiment, the mass mixing ratio of the PET material to the graphene material is as follows: 3% of graphene material and 97% of PET material; adding a buffering agent while heating the graphene and the PET material to improve the dispersion and permeation effect, wherein the mass ratio of the added buffering agent to the mixture of the graphene and the PET material is 1: 15000; the mixing proportion of the soil and the graphene PET fragments is as follows: 10kg of soil is correspondingly added into 1kg of graphene PET sheets.
In the present embodiment, the melt extrusion spinning apparatus in the process of S2 includes a hopper 1, a high temperature extrusion cylinder, and a nozzle 5; the feed inlet of the high-temperature extrusion cylinder is communicated with the discharge end of the hopper 1, and the nozzle 5 is fixed at the discharge outlet of the high-temperature extrusion cylinder; the mother material grains are fully mixed in a hopper, then are conveyed into a high-temperature extrusion barrel for further melting treatment, and finally are extruded into filaments at the ejection end of a nozzle for ejection.
In the present embodiment, the high-temperature extrusion cylinder comprises a cylinder 2 and a screw 4, and the screw 4 is rotatably fixed on the central axis position of the cylinder 2; the outer wall of the charging barrel 2 is provided with an electric heating ring 3, and the heating temperature of the electric heating ring 3 can reach 230-250 ℃;
the master batch particles are added into a hopper 1, the rotating screw 4 continuously sends the master batch particles into a charging barrel 2, and meanwhile, the electric heating ring 3 releases heat to enable the temperature in the charging barrel 2 to be 230 ℃; the master batch pellets fed into the barrel 2 are heated continuously and are ground and extruded by the rotating screw 4, so that the master batch pellets are sufficiently melted into a slurry state.
In the embodiment, the ejection end of the nozzle 5 is provided with a hole extrusion sheet 6, the hole extrusion sheet 6 is fixed at the ejection end of the nozzle 5 through thread fit, and a sealing gasket is arranged between the hole extrusion sheet 6 and the ejection end of the nozzle 5; the hole-extruding sheet 6 is provided with a plurality of small holes with different shapes, and the shapes of the small holes comprise crescent, semicircle and ellipse; of course, the present invention is not limited to the design of different orifices, and any orifice design that can achieve the effect of ejecting the twisted ribbon from the nozzle is within the scope of the present invention.
When master batch particles in a pulp flowing state are extruded and ejected from small holes in 6 holes of the extruding sheet, graphene PET (polyethylene terephthalate) coiled wires in different shapes can be formed by ejecting from different small holes, and the curvatures of the graphene PET coiled wires ejected from different small holes are different; after being pressed into the tablet, the loose structure can be kept so as to be beneficial to ventilation and water seepage.
In this embodiment, in the cooling and molding process of S3, an air-cooled cooling method is used; the cooling channel comprises an outer air supply layer 8 and an inner air supply layer 7, the inner air supply layer 7 is arranged on the central axis of the outer air supply layer 8, and a channel is formed between the outer air supply layer 8 and the inner air supply layer 7; the inner air supply layer 7 and the outer air supply layer 8 are both provided with uniformly distributed vent holes 9, and the vent holes 9 are obliquely formed downwards from the inside of the channel;
there is 8-12 degrees centigrade cold wind constantly to blow off from ventilation hole 9 upwards to one side in the passageway, and when spun high temperature and uncured graphite alkene PET rolled up the silk and pass through cooling channel, cold wind cooled off graphite alkene PET rolled up the silk and accelerated graphite alkene PET rolled up silk solidification moulding, and cold wind blows up to one side and can make graphite alkene PET rolled up the silk and be in loose state, sets up interior air supply layer 7 simultaneously and can accelerate cooling rate and make the cooling more even with outer air supply layer 8.
The graphene polyester fiber soil cultivation planting soil is characterized by comprising the following components:
8.83% of a PET material;
0.27% graphene material;
90.9% of soil.
In the implementation, the graphene material is modified graphene powder modified by a surface treatment agent, and the soil is pollution-free and germ-free modified soil with uniform soil particle size.
Specific example 2:
s1, mixing the graphene and the PET material to prepare a mother material particle: adding 100-mesh graphene powder and 100-mesh PET material into a reaction kettle, stirring, fully mixing, and heating to enable the graphene and the PET material to react to generate mother material particles; the material mass ratio of the PET material to the graphene material is that the graphene material accounts for 5% and the PET material accounts for 95%;
the method comprises the following specific steps of mixing graphene and a PET material to prepare a mother material particle in S1:
s11, mixing the PET raw material with graphene: mixing a 100-mesh PET material with a graphene material, and continuously stirring;
s12, heating reaction: after the graphene material and the PET material are fully mixed, the mixed material is sent into a circulating boiler for heating treatment, and a buffering agent is added to improve the dispersion and permeation effect, wherein the mass ratio of the added buffering agent to the mixture of the graphene material and the PET material is 1: 1000, parts by weight;
s13, temperature rise dispersion: further raising the temperature in the circulating boiler and continuously stirring to uniformly disperse and dissolve the graphene material;
s14, cooling and granulating: and cooling and granulating the dissolved master batch slurry to form master batch particles.
S2, melt extrusion spinning: adding the master batch particles into a melt extrusion spinning device, heating to enable the master batch particles to be in a molten state, and extruding and spinning the molten master batch to form graphene PET coiled wires;
s3, cooling and forming: enabling the sprayed high-temperature uncured graphene PET coiled wires to pass through a cooling channel, and cooling and forming the graphene PET coiled wires;
s4, tabletting: enabling the formed graphene PET coiled wires to pass through a calender 10, and enabling the graphene PET coiled wires to be flaky;
s5, slicing: enabling the flaky graphene PET coiled wires to pass through a cutting machine 11, and cutting the flaky graphene PET coiled wires into a section of graphene PET fragments by the cutting machine 11;
s6, mixing the graphene PET chips with soil: adding the graphene PET fragments and soil into a stirrer for fully stirring, and fully mixing the graphene PET fragments and the soil to prepare graphene polyester fiber soil-ploughing planting soil; the proportion of the mixed material of the PET material and the graphene material to the modified soil is 1: 15;
s7, packaging: and packaging the fully mixed graphene polyester fiber soil cultivation planting soil by using a packaging bag.
Graphene materials are fused in PET materials, and then mixed materials consisting of the graphene and the PET materials are mixed with soil to prepare the graphene polyester fiber soil-ploughing planting soil. The PET material is used as a carrier, graphene is fused in the PET material, so that the graphene can exist more stably, and can be mixed with soil more conveniently, and the graphene polyester fiber soil cultivation planting soil can be more convenient to ventilate and seep through the loose structure of the graphene PET fragments; the graphene can effectively emit far infrared rays, and the far infrared rays can split large water molecule groups into small water molecules; the small water molecules are easier to be absorbed by plants relative to the large water molecule groups, so that the nutrients and mineral substances in the soil can be more easily decomposed, absorbed and used; meanwhile, the far infrared rays can also promote the growth of plant cells and accelerate the metabolism efficiency of plants; the functions are realized by mainly utilizing the properties of graphene, and the graphene is simple and convenient to use and free from maintenance because the graphene does not need to be used or depend on some artificial equipment. When the graphene polyester fiber soil cultivation soil is used, the graphene polyester fiber soil cultivation soil is only laid on the soil to be planted, and then seeds or seedlings are put in the graphene polyester fiber soil cultivation soil, and normal cultivation methods such as water spraying and fertilizer application are adopted as usual, and no extra work or facilities are needed.
In this embodiment, the mass mixing ratio of the PET material to the graphene material is as follows: 5% of graphene material and 95% of PET material; adding a buffering agent while heating the graphene and the PET material to improve the dispersion and permeation effect, wherein the mass ratio of the added buffering agent to the mixture of the graphene and the PET material is 1: 1000, parts by weight; the mixing proportion of the soil and the graphene PET fragments is as follows: 15kg of soil is correspondingly added into 1kg of graphene PET sheets.
In the present embodiment, the melt extrusion spinning apparatus in the process of S2 includes a hopper 1, a high temperature extrusion cylinder, and a nozzle 5; the feed inlet of the high-temperature extrusion cylinder is communicated with the discharge end of the hopper 1, and the nozzle 5 is fixed at the discharge outlet of the high-temperature extrusion cylinder; the mother material grains are fully mixed in a hopper, then are conveyed into a high-temperature extrusion barrel for further melting treatment, and finally are extruded into filaments at the ejection end of a nozzle for ejection.
In the present embodiment, the high-temperature extrusion cylinder comprises a cylinder 2 and a screw 4, and the screw 4 is rotatably fixed on the central axis position of the cylinder 2; the outer wall of the charging barrel 2 is provided with an electric heating ring 3, and the heating temperature of the electric heating ring 3 can reach 230-250 ℃;
the master batch particles are added into a hopper 1, the rotating screw 4 continuously sends the master batch particles into a charging barrel 2, and meanwhile, the electric heating ring 3 releases heat to enable the temperature in the charging barrel 2 to be 250 ℃; the master batch pellets fed into the barrel 2 are heated continuously and are ground and extruded by the rotating screw 4, so that the master batch pellets are sufficiently melted into a slurry state.
In the embodiment, the ejection end of the nozzle 5 is provided with a hole extrusion sheet 6, the hole extrusion sheet 6 is fixed at the ejection end of the nozzle 5 through thread fit, and a sealing gasket is arranged between the hole extrusion sheet 6 and the ejection end of the nozzle 5; the hole-extruding sheet 6 is provided with a plurality of small holes with different shapes, and the shapes of the small holes comprise crescent, semicircle and ellipse; of course, the present invention is not limited to the design of different orifices, and any orifice design that can achieve the effect of ejecting the twisted ribbon from the nozzle is within the scope of the present invention.
When master batch particles in a pulp flowing state are extruded and ejected from small holes in 6 holes of the extruding sheet, graphene PET (polyethylene terephthalate) coiled wires in different shapes can be formed by ejecting from different small holes, and the curvatures of the graphene PET coiled wires ejected from different small holes are different; after being pressed into the tablet, the loose structure can be kept so as to be beneficial to ventilation and water seepage.
In this embodiment, in the cooling and molding process of S3, an air-cooled cooling method is used; the cooling channel comprises an outer air supply layer 8 and an inner air supply layer 7, the inner air supply layer 7 is arranged on the central axis of the outer air supply layer 8, and a channel is formed between the outer air supply layer 8 and the inner air supply layer 7; the inner air supply layer 7 and the outer air supply layer 8 are both provided with uniformly distributed vent holes 9, and the vent holes 9 are obliquely formed downwards from the inside of the channel;
there is 8-12 degrees centigrade cold wind constantly to blow off from ventilation hole 9 upwards to one side in the passageway, and when spun high temperature and uncured graphite alkene PET rolled up the silk and pass through cooling channel, cold wind cooled off graphite alkene PET rolled up the silk and accelerated graphite alkene PET rolled up silk solidification moulding, and cold wind blows up to one side and can make graphite alkene PET rolled up the silk and be in loose state, sets up interior air supply layer 7 simultaneously and can accelerate cooling rate and make the cooling more even with outer air supply layer 8.
The graphene polyester fiber soil cultivation planting soil is characterized by comprising the following components:
0.31% PET material;
5.94% graphene material;
93.75% of soil.
The invention utilizes the far infrared ray which is easy to become saturated and can absorb and radiate up to 40 percent. Under the sunshine, a large amount of heat energy can be absorbed, the heat energy is converted into far infrared rays and is radiated into soil and plants, the plants can absorb the benefits brought by the far infrared rays in the growth process, meanwhile, water molecules in the soil are split to be below 10 water masses and become small molecular water, and the growth rate and the nutrition level of the plants are effectively improved.
The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (8)
1. The method for manufacturing the graphene polyester fiber soil cultivation planting soil is characterized by comprising the following implementation steps:
s1, mixing the graphene and the PET material to prepare a mother material particle: adding 90-100 mesh graphene powder and 90-100 mesh PET material into a reaction kettle, stirring, fully mixing, and heating to enable the graphene and the PET material to react to generate mother material particles;
s2, melt extrusion spinning: adding the master batch particles into a melt extrusion spinning device, heating to enable the master batch particles to be in a molten state, and extruding and spinning the molten master batch to form graphene PET coiled wires;
s3, cooling and forming: enabling the sprayed high-temperature uncured graphene PET coiled wires to pass through a cooling channel, and cooling and forming the graphene PET coiled wires;
s4, tabletting: enabling the formed graphene PET coiled wires to pass through a calender to enable the graphene PET coiled wires to be flaky;
s5, slicing: passing the flaky graphene PET rolled wire through a cutting machine, and cutting the flaky graphene PET rolled wire into a section of graphene PET fragments by the cutting machine;
s6, mixing the graphene PET chips with soil: adding the graphene PET fragments and soil into a stirrer for fully stirring, and fully mixing the graphene PET fragments and the soil to prepare graphene polyester fiber soil-ploughing planting soil;
s7, packaging: packaging the fully mixed graphene polyester fiber soil cultivation planting soil by using a packaging bag;
the mass mixing ratio of the PET material to the graphene powder is as follows: 3-5% of graphene powder and 95-97% of PET material; the mixing proportion of the soil and the graphene PET fragments is as follows: correspondingly adding 10 kg-15 kg of soil into 1kg of graphene PET chips.
2. The method for manufacturing graphene polyester fiber soil cultivation soil according to claim 1, wherein the specific steps of mixing graphene and PET material to prepare the master batch particles in S1 are as follows:
s11, mixing the PET raw material with graphene: mixing a 90-100 mesh PET material with a graphene material, and continuously stirring;
s12, heating reaction: after the graphene material and the PET material are fully mixed, feeding the mixed material into a circulating boiler for heating treatment, and adding a buffering agent to improve the dispersion and permeation effect;
s13, temperature rise dispersion: further raising the temperature in the circulating boiler and continuously stirring to uniformly disperse and dissolve the graphene material;
s14, cooling and granulating: and cooling and granulating the dissolved master batch slurry to form master batch particles.
3. The method for manufacturing the graphene polyester fiber soil cultivation planting soil as claimed in claim 2, wherein a buffer is added while the graphene and PET materials are heated to improve a dispersion and permeation effect, and the mass ratio of the added buffer to the mixture of the graphene and PET materials is 1: 15000-1: 1000.
4. the method for manufacturing graphene polyester fiber soil cultivation planting soil according to claim 1, wherein the melt extrusion spinning device comprises a hopper, a high temperature extrusion barrel and a nozzle in the process of S2; the feed inlet of the high-temperature extrusion cylinder is communicated with the discharge end of the hopper, and the nozzle is fixed at the discharge outlet of the high-temperature extrusion cylinder; the mother material grains are fully mixed in a hopper, then are conveyed into a high-temperature extrusion barrel for further melting treatment, and finally are extruded into filaments at the ejection end of a nozzle for ejection.
5. The method for manufacturing graphene polyester fiber soil cultivation planting soil according to claim 4, wherein the high-temperature extrusion cylinder comprises a cylinder and a screw, and the screw is rotatably fixed on the central axis of the cylinder; an electric heating ring is arranged on the outer wall of the charging barrel, and the heating temperature of the electric heating ring reaches 230-250 ℃;
after the master batch particles are added into the hopper, a rotating screw continuously sends the master batch particles into the charging barrel, and meanwhile, the heat of the electric heating ring is released to enable the temperature in the charging barrel to be 230-250 ℃; the master batch particles fed into the cylinder are heated continuously and are ground and extruded by the rotating screw, so that the master batch particles are fully melted into a pulp flow state.
6. The method for manufacturing the graphene polyester fiber soil cultivation planting soil as claimed in claim 4, wherein a hole extrusion piece is arranged at the ejection end of the nozzle, the hole extrusion piece is fixed at the ejection end of the nozzle through thread fit, and a sealing gasket is arranged between the hole extrusion piece and the ejection end of the nozzle; the hole extruding sheet is provided with a plurality of small holes with different shapes, and the shapes of the small holes comprise crescent, semicircle and ellipse;
when the master batch particles in a pulp flowing state are sprayed out from the small holes in the hole extruding sheet, graphene PET (polyethylene terephthalate) rolled threads in different shapes can be formed by spraying from different small holes, and the curvatures of the graphene PET rolled threads sprayed from different small holes are different.
7. The method for manufacturing graphene polyester fiber soil cultivation soil according to claim 1, wherein an air-cooled cooling method is used in the process of S3 cooling molding; the cooling channel comprises an outer air supply layer and an inner air supply layer, the inner air supply layer is arranged on the central axis of the outer air supply layer, and a channel is formed between the outer air supply layer and the inner air supply layer; the inner air supply layer and the outer air supply layer are both provided with uniformly distributed vent holes, and the vent holes are obliquely formed downwards from the inside of the channel;
and the cold air with the temperature of 8-12 ℃ continuously blows out from the vent hole obliquely upwards, and when the sprayed high-temperature uncured graphene PET rolled wire passes through the cooling channel, the cold air cools the graphene PET rolled wire and accelerates the curing and forming of the graphene PET rolled wire.
8. A graphene polyester fiber soil cultivation soil prepared by the method for preparing the graphene polyester fiber soil cultivation soil according to any one of claims 1 to 7, which is characterized by comprising the following components:
a PET material;
a graphene material;
soil;
the graphene material is modified graphene powder modified by a surface treatment agent, and the soil is pollution-free and germ-free soil modified by uniform soil particle size;
the mass ratio of the PET material to the graphene material is that the graphene material accounts for 3-5% and the PET material accounts for 95-97%; the proportion of the mixed material of the PET material and the graphene material to the modified soil is 1: 10-1: 15.
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