CN212865887U - High-strength sand fixing plate and sand fixing device - Google Patents

High-strength sand fixing plate and sand fixing device Download PDF

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Publication number
CN212865887U
CN212865887U CN202021066229.2U CN202021066229U CN212865887U CN 212865887 U CN212865887 U CN 212865887U CN 202021066229 U CN202021066229 U CN 202021066229U CN 212865887 U CN212865887 U CN 212865887U
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sand
fixing plate
fiber
high strength
board
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CN202021066229.2U
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肖学英
郑卫新
常成功
董金美
李颖
文静
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Qinghai Institute of Salt Lakes Research of CAS
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Qinghai Institute of Salt Lakes Research of CAS
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Abstract

The utility model discloses a sand board and sand fixing device are fixed to high strength. The high-strength sand fixing plate comprises a plurality of fibers, the fibers are fixed by the binder to form a framework of the sand fixing plate, the surface and the inside of the sand fixing plate are further provided with a plurality of pores formed by the fibers in a surrounding manner, wherein part of the pores on the surface of the sand fixing plate are communicated with part of the pores in the sand fixing plate, and then a ventilation pore passage penetrating through the sand fixing plate is formed. The embodiment of the utility model provides a solid husky board of high strength's inside and surface all have and enclose the hole that closes formation by many fibers, and the intercommunication forms the ventilation pore that can run through solid husky board between the partial hole, and then can make airflow channel, reduce air resistance, and can effectively hold back the sand.

Description

High-strength sand fixing plate and sand fixing device
Technical Field
The utility model relates to a sand blown by the wind prevention and cure field, in particular to solid sand board of high strength and solid husky device belongs to the technical field of controlling sand.
Background
China is one of the most seriously harmed countries by desertification, and the annual loss caused by desertification is as high as billions of yuan. In order to control desertification, China spends huge financial resources and manpower for a long time and also obtains considerable effect. At present, hundreds of desert control technologies and sand control modes are explored, wherein the mature modes are chemical sand fixation and physical sand fixation. The chemical sand fixation means that a sand fixation and water retention solidification layer is formed on the surface of sand which is easy to cause sand damage by using chemical materials and processes, so that the aim of controlling the sand damage is fulfilled. Traditional chemical sand-fixing materials can be divided into: cement, water glass, petroleum products and high-molecular polymer super absorbent resin.
The chemical sand fixation has the defects of slightly high cost and difficult large-area popularization, and some sand fixation products have potential influence on the environment. The physical sand fixation uses a mechanical mode to arrange stones, grids or straws and the like on the surface of a flowing sand layer into a grid form to form a wind-shield wall so as to reduce wind erosion and have the function of intercepting rainwater, thus the physical sand fixation has certain effect and low cost and is popularized in a large area. However, the grid sand barrier (grass grid, stone grid, grid and the like) has the defects of short service life, easy burying by wind and sand and the like, and the application of the grid sand barrier is greatly limited. Therefore, it is very important to research a sand fixing plate which has high service life, can be repeatedly used and is simple and convenient to operate.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a high strength sand fixation plate and sand fixation device to overcome the disadvantages of the prior art.
For realizing the purpose of the utility model, the utility model discloses a technical scheme include:
the embodiment of the utility model provides a high strength sand fixing plate, it includes many fibre, many fibre form the skeleton of sand fixing plate through the fixed bonding of binder, sand fixing plate's surface and inside still have by many fibre enclose a plurality of holes that close formation, wherein, distribute in sand fixing plate's partial hole on surface with distribute in sand fixing plate's inside partial hole communicates each other, and then forms and runs through sand fixing plate's ventilation duct.
Furthermore, the fibers are stacked in a staggered mode in an orderly or disordered mode and are bonded into a whole through bonding, wherein the fibers are long strips, the length of each fiber is 10-200cm, and the width or the diameter of each fiber is 2-8 mm.
Further, the cross-sectional shape of the fibers includes circular, elliptical, or polygonal shapes, but may be other regular or irregular shapes.
Further, the surface of the fiber is also provided with micro cracks and/or thorns, the micro cracks and/or thorns can facilitate the adhesive to be adhered to the surface of the fiber, wherein the width of the micro cracks and the length of the thorns do not exceed 1/10-1/20 of the diameter of the fiber.
Furthermore, the interior of the fiber is of a hollow structure, and the microcracks on the surface of the fiber are communicated or not communicated with the hollow structure in the fiber.
Further, the volume of the hollow structure in the fiber accounts for more than 50% of the volume of the whole fiber.
Furthermore, the surface of the fiber is also coated with a layer of adhesive, and the thickness of the adhesive layer is 0.1-3 mm.
Furthermore, the inside pores of the sand fixation plate are filled with the binder.
Further, the binder layer and binder comprise a magnesium cement binder.
Further, the fiber comprises plant fiber, and the surface of the sand fixation plate is provided with a plurality of concave-convex structures formed by a plurality of fibers.
Furthermore, the width of the pores is 2-20mm, and the porosity of the surface of the sand fixing plate is 40-90%; the porosity inside the sand fixation plate is 50-90%.
Further, the plurality of fibers are interwoven with each other to form a skeleton with a net structure, and the mass ratio or the volume ratio of the plurality of fibers in the sand fixation plate is more than 80%.
Furthermore, the whole sand fixing plate is of a cuboid structure, the length of the sand fixing plate is 1-3m, the width of the sand fixing plate is 0.2-0.6m, and the thickness of the sand fixing plate is 0.02-0.1 m.
The embodiment of the utility model provides a sand fixation device is still provided, it includes a plurality ofly the high strength sand fixation board, a plurality of sand fixation board fixed connection form the grid structure.
Compared with the prior art, the utility model has the advantages that:
1) the embodiment of the utility model provides a high-strength sand fixing plate, which has simple structure, simple and convenient manufacturing process, easily obtained raw materials and low manufacturing cost;
2) the embodiment of the utility model provides a solid sand board of high strength's inside and surface all have the hole that closes by many fibre enclosure, and communicate between some holes and form the ventilation pore that can run through solid sand board, and then can make airflow channel, reduce air resistance, and can effectively hold back the sand;
3) the embodiment of the utility model provides a sand fixation of sand board is fixed to high strength is effectual, can be applied to the sand damage of desert area highway, railway and administer.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a high-strength sand fixing plate according to an exemplary embodiment of the present invention;
fig. 2 is a schematic structural diagram of a high-strength sand-fixing plate for preventing and controlling sand according to a typical embodiment of the present invention;
fig. 3 is a schematic surface structure diagram of a high-strength sand fixing plate according to an exemplary embodiment of the present invention.
Detailed Description
In view of the deficiencies in the prior art, the inventor of the present invention has made extensive studies and practices to provide the technical solution of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.
The embodiment of the utility model provides a high strength sand fixing plate, it includes many fibre, many fibre form the skeleton of sand fixing plate through the fixed bonding of binder, sand fixing plate's surface and inside still have by many fibre enclose a plurality of holes that close formation, wherein, distribute in sand fixing plate's partial hole on surface with distribute in sand fixing plate's inside partial hole communicates each other, and then forms and runs through sand fixing plate's ventilation duct.
Specifically, the mass ratio or the volume ratio of the fibers in the sand fixing plate is more than 80%, and the balance is a binder; the porosity of the surface of the sand fixing plate is 40-90%; the porosity inside the sand fixation plate is 50-90%; the width of the pore is 2-20mm, the whole sand fixing plate is of a cuboid structure, the length of the sand fixing plate is 1-3m, the width of the sand fixing plate is 0.2-0.6m, and the thickness of the sand fixing plate is 0.02-0.1 m.
The following drawings will further illustrate the technical solution, its implementation and principles, etc.
Referring to fig. 1 and 2, a high-strength sand fixing plate 100 includes a plurality of fibers 110 and a binder, wherein the surface of each fiber is coated with a binder layer formed by the binder, and the plurality of fibers 110 are fixed and bound by the binder to form a framework of the sand fixing plate; and, the surface and the inside of the sand fixing plate 100 are also provided with a plurality of pores 101 formed by the surrounding of the plurality of fibers 110, wherein part of the pores distributed on the surface of the sand fixing plate 100 are mutually communicated with part of the pores distributed inside the sand fixing plate, so as to form a ventilation duct penetrating through the sand fixing plate.
Specifically, the plurality of fibers 110 are stacked in an orderly or unordered manner in a staggered manner and bonded into a whole by bonding, wherein a single fiber 110 is in a long strip shape, the length of the single fiber is 10-200cm, the width or diameter of the single fiber is 2mm-8mm, the thickness of a bonding agent layer coated or adhered on the surface of the fiber is 0.1-3mm, and the bonding agent layer or the bonding agent is a magnesium cement bonding agent; the cross-sectional shape of the fibers 110 includes circular, elliptical, or polygonal, but may be other regular or irregular shapes; and the surface of the fiber 110 is also provided with micro cracks and/or protruding spines, and the micro cracks and/or protruding spines can facilitate the adhesion of the adhesive to the surface of the fiber, wherein the width of the micro cracks and the length of the protruding spines do not exceed 1/10-1/20 of the diameter of the fiber.
Specifically, the interior of the fiber 110 is a hollow structure, and the microcracks on the surface of the fiber 110 are communicated or not communicated with the hollow structure inside the fiber, wherein the volume of the hollow structure inside the fiber accounts for more than 50% of the volume of the whole fiber.
Specifically, part of the fibers in the plurality of fibers are interwoven with each other to further weave a skeleton with a net structure, the mass ratio of the plurality of fibers in the sand fixation plate is 80-90%, and the rest 10-20% is a binder; the volume ratio of the plurality of fibers in the sand fixing plate is more than 80 percent, and the balance is pores and a bonding agent.
Specifically, in some more specific embodiments, the plurality of fibers forming the high strength sand fixing plate 100 include a plurality of first fibers and a plurality of second fibers, wherein the plurality of second fibers are distributed in a disordered manner in a staggered manner and fixedly bonded by a binder, and the plurality of second fibers are distributed in a staggered manner to form a plurality of second pores in a surrounding manner; the plurality of first fibers are sequentially distributed on the periphery of the plurality of second fibers in an ordered mode, and a plurality of first pores are formed among the plurality of first fibers; the first fibers and the second fibers are fixedly combined through a binder, the second fibers form a core of the sand fixing plate, the first fibers form a surface of the sand fixing plate, wherein part of the first pores and part of the second pores are communicated to form a ventilation pore passage, and the first fibers are sequentially arranged and distributed to form a concave-convex structure on the surface of the sand fixing plate; specifically, the first fibers and the second fibers may have the same or different structures and sizes, and the specific sizes thereof are as described above, and the pore sizes of the first pores and the second pores may be the same or different, and the specific sizes thereof are as described above.
Specifically, the whole high-strength sand fixing plate 100 can be a cuboid structure, the length of the high-strength sand fixing plate is 1-3m, the width of the high-strength sand fixing plate is 0.2-0.6m, and the thickness of the high-strength sand fixing plate is 0.02-0.1 m; the porosity of the surface of the sand fixing plate is 40-90%; the porosity inside the sand fixing plate is 50-90%, and the width of the pore 101 is 2-20 mm.
Referring to fig. 3, because the surface and the inside of the high-strength sand fixing plate are both provided with pores formed by interweaving or enclosing a plurality of fibers, and part of the pores are communicated with each other to form a ventilation duct penetrating through the sand fixing plate, and the ventilation duct is not linear and directly penetrates through the sand fixing plate, the airflow can penetrate through the sand fixing plate to intercept substances such as sand brought by the airflow, thereby playing a role in preventing wind and fixing sand.
Specifically, the high-strength sand fixing plate can be manufactured by the following method:
plant fiber is obtained by processing straw, reed stalk, bamboo and the like as raw materials, and magnesium cement (for example, any one or combination of more than two of magnesium oxychloride cement, magnesium oxysulfate cement and magnesium phosphate cement), silicate, water glass and the like are used as a binder;
soaking a plurality of plant fibers in the binder, and taking out the plant fibers after the binder is soaked in gaps in the fibers;
transferring the fibers soaked with the binder into a mold, pressurizing and shaping for 1-4 hours to fix and bond a plurality of fibers, and demolding after the binder is solidified to form a sand fixation plate;
and curing the demolded sand fixing plate for 8-24 hours in an air environment at the temperature of 0-30 ℃ to obtain the high-strength sand fixing plate.
Of course, after the sand fixing plate is formed, a layer of uniformly distributed plant fibers can be adhered to the surface of the sand fixing plate.
Example 1:
a method for manufacturing a high-strength sand fixing plate can comprise the following steps:
1) mixing magnesium chloride (MgCl)2) Dissolving in water to obtain magnesium chloride solution with concentration of 20-30Be ° (Baume degree), wherein the water is not limited and can Be tap water or river and lake water;
2) mixing and uniformly stirring active magnesium oxide (MgO) and magnesium chloride solution according to the mass ratio of 1 (0.5-2) (the optimal ratio can be set to 1:0.75) to obtain magnesium cement paste (namely a binder);
3) soaking plant fiber in the magnesium cement paste, taking out the plant fiber after the paste is fully soaked in plant fiber gaps, and transferring the plant fiber into a mold;
4) pressing a cover plate above the mould to fix the plant fiber soaked in the pulp, and demoulding after solidification to obtain a sand fixing plate, wherein the solidification time is 1-4h generally;
5) curing the demolded sand fixing plate in the air for 8-24h (the curing temperature is generally 0-30 ℃), and obtaining the green high-strength sand fixing plate after hardening.
Example 2:
a method for manufacturing a high-strength sand fixing plate can comprise the following steps:
1) magnesium sulfate (MgSO)4) Dissolving in water to obtain magnesium sulfate solution with concentration of 20-30Be ° (Baume degree), wherein the water is not limited and can Be tap water or river and lake water;
2) mixing and uniformly stirring active magnesium oxide (MgO) and magnesium sulfate solution according to the mass ratio of 1 (0.5-2) (the optimal ratio can be set to be 1:0.75) to obtain magnesium sulfate cement paste (namely a binder);
3) soaking plant fiber in the magnesium sulfate cement paste, taking out the plant fiber after the plant fiber is fully soaked in the plant fiber gap, and transferring the plant fiber into a mold;
4) pressing a cover plate above the mould to fix the plant fiber soaked in the pulp, and demoulding after solidification to obtain a sand fixing plate, wherein the solidification time is 1-4h generally;
5) curing the demolded sand fixing plate in the air for 8-24h (the curing temperature is generally 0-30 ℃), and obtaining the green high-strength sand fixing plate after hardening.
The embodiment of the utility model provides a high-strength sand fixation plate, the raw material of which is inorganic material, the environment is protected, the weight is light, the freeze thawing resistance and the saline alkali resistance are outstanding; more than 80% of the mass and the volume of the sand fixing plate are plant fibers, the raw material cost is low, the sand fixing plate is simple to manufacture, light and capable of forming through holes, the whole sand fixing plate is convenient to install, and the sand fixing plate can be repeatedly used in the later period of use.
The embodiment of the utility model provides a binder in the solid sand board of high strength is all produced by inorganic raw materials (light-burned magnesia powder, caustic dolomite powder, bischofite, water), and its batching is simple, curing time is short, need not the maintenance, therefore the unit of fixing sand is easily made, provides a simple and easy operating mode for desert control when not influencing the environment; because the strength of the magnesium cement binding material is very high and the magnesium cement binding material has excellent workability with the plant fiber, compared with other inorganic materials (such as silicate, gypsum and the like), the magnesium cement binding material can maximally utilize the toughness of the plant fiber, and can obtain a sand fixing plate with excellent breaking strength and compressive strength; the embodiment of the utility model provides a high strength board of fixing sand contains the vegetable fibre more than 80%, and consequently the unit material cost of fixing sand is cheap, has economic advantage, and this board of fixing sand extremely is light, simple installation, and construction and installation can be gone on the spot simultaneously, and required personnel are equipped with less, can save a large amount of manpower and materials.
The embodiment of the utility model provides a sand fixation plate of high strength, can form the through-hole and freely link up the unit of fixing sand can arrange according to the curved surface of sand face, whole sand fixation device does not receive the influence of topography, this sand fixation plate can ventilate when fixing sand, area is minimum, do not influence the growth of desert inherent plant, in addition after long-pending husky heap of sand fixation unit space, can lift the device of fixing sand and rearrange, therefore sustainable cyclic utilization's the device of fixing sand compares in the expense that the secondary was makeed can be saved to the mode of being under construction again of other modes of fixing sand (like stone square, grass square etc.).
The embodiment of the utility model provides a high-strength sand fixing plate, which has simple structure, simple and convenient manufacturing process, easily obtained raw materials and low manufacturing cost; the embodiment of the utility model provides a high strength sand fixation plate's inside and surface all have the hole that closes by many fibre enclosure and form the ventilation pore that can run through sand fixation plate between some holes intercommunication, and then can make the air current passageway, reduce air resistance, and can effectively hold back the sand; additionally, the embodiment of the utility model provides a sand fixation of high strength sand fixation board is effectual, can be applied to the sand damage of desert area highway, railway and administer.
It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, and therefore, the protection scope of the present invention should not be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (13)

1. The utility model provides a solid sand board of high strength which characterized in that includes many fibre, many fibre are through the fixed skeleton that bonds the solid sand board of formation of binder, the surface and the inside of solid sand board still have by many fibre enclose close a plurality of holes that form, wherein, distribute in some holes on solid sand board surface with distribute in some holes of solid sand board inside communicate each other, and then form and run through the ventilation duct of solid sand board.
2. The high strength sand fixation board of claim 1 wherein: the fiber is characterized in that the fibers are stacked in an orderly or disordered staggered mode and bonded into a whole through bonding, wherein a single fiber is in a long strip shape, the length of the single fiber is 10-200cm, and the width or the diameter of the single fiber is 2mm-8 mm.
3. The high strength sand fixation board according to claim 1 or 2, wherein: the cross-sectional shape of the fibers includes a circle, an ellipse, or a polygon.
4. The high strength sand fixation board according to claim 1 or 2, wherein: the surface of the fibers also has micro-cracks and/or spikes.
5. The high strength sand fixation board of claim 4 wherein: the interior of the fiber is of a hollow structure, and the microcracks on the surface of the fiber are communicated or not communicated with the hollow structure in the fiber.
6. The high strength sand fixation board as recited in claim 5, wherein: the volume of the hollow structure in the fiber accounts for more than 50% of the volume of the whole fiber.
7. The high strength sand fixation board of claim 4 wherein: the surface of the fiber is also coated with a layer of adhesive, and the thickness of the adhesive layer is 0.1-3 mm.
8. The high strength sand fixation board of claim 4 wherein: the inside pores of the sand fixation plate are also filled with the binder.
9. The high strength sand fixation board of claim 4 wherein: the fiber comprises plant fiber, and the surface of the sand fixing plate is provided with a plurality of concave-convex structures formed by the plant fiber.
10. The high strength sand fixation board of claim 1 wherein: the width of the pore is 2-20mm, and the porosity of the surface of the sand fixing plate is 40-90%; the porosity inside the sand fixation plate is 50-90%.
11. The high strength sand fixation board of claim 1 wherein: the fibers are interwoven with each other to form a skeleton with a net structure, and the mass ratio or the volume ratio of the fibers in the sand fixation plate is more than 80%.
12. The high strength sand fixation board of claim 1 wherein: the sand fixing plate is integrally of a cuboid structure, and is 1-3m long, 0.2-0.6m wide and 0.02-0.1m thick.
13. A sand stabilization device comprising a plurality of high strength sand stabilization panels as claimed in any one of claims 1 to 12, said plurality of sand stabilization panels being fixedly connected to form a lattice structure.
CN202021066229.2U 2020-06-11 2020-06-11 High-strength sand fixing plate and sand fixing device Active CN212865887U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021066229.2U CN212865887U (en) 2020-06-11 2020-06-11 High-strength sand fixing plate and sand fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021066229.2U CN212865887U (en) 2020-06-11 2020-06-11 High-strength sand fixing plate and sand fixing device

Publications (1)

Publication Number Publication Date
CN212865887U true CN212865887U (en) 2021-04-02

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Application Number Title Priority Date Filing Date
CN202021066229.2U Active CN212865887U (en) 2020-06-11 2020-06-11 High-strength sand fixing plate and sand fixing device

Country Status (1)

Country Link
CN (1) CN212865887U (en)

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