CN110847067A - A prevent wind and fall husky wall for environmental protection - Google Patents
A prevent wind and fall husky wall for environmental protection Download PDFInfo
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- CN110847067A CN110847067A CN201911190146.6A CN201911190146A CN110847067A CN 110847067 A CN110847067 A CN 110847067A CN 201911190146 A CN201911190146 A CN 201911190146A CN 110847067 A CN110847067 A CN 110847067A
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- sand
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/02—Snow fences or similar devices, e.g. devices affording protection against sand drifts or side-wind effects
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/02—Snow fences or similar devices, e.g. devices affording protection against sand drifts or side-wind effects
- E01F7/025—Devices specially adapted for protecting against wind, e.g. screens, deflectors or attenuators at tunnel or lock entrances
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Abstract
The invention discloses a wind-proof and sand-reducing wall for environmental protection, and relates to the technical field of wind-proof and sand-reducing walls. The invention comprises a wind-resistant sand-reducing wall; a cavity for reducing sand is arranged in the wind-blocking sand-reducing wall; the bottom of the wind-resistant sand-reducing wall is fixedly provided with a wall base fixing seat for fixing; the inner side surface of the wind-resistant sand-reducing wall is uniformly provided with wind inlet holes in an array manner; a curved plate for reducing sand is fixed on the inner surface of the air inlet; the bottom of the wind-resistant sand-falling wall is connected with a sand-falling device which collects sand and discharges air; the sand-reducing device is of a circular tube structure; the bottom of the sand-lowering device is provided with a rectangular groove; the inner surface of the sand falling device is provided with an arc-shaped sand baffle; an air outlet is arranged on the inner surface of the sand falling device and above the space between the two arc-shaped sand baffles. The invention greatly reduces the sand wind content on the other side of the wind-proof sand-reducing wall, improves the living environment to a certain extent and slows down the damage force of the sand wind and the invasion of the sand wind through the functions of the wind-resistant sand-reducing wall, the sand-reducing device and the wind-purifying device.
Description
Technical Field
The invention belongs to the technical field of wind and sand prevention walls, and particularly relates to a wind and sand prevention wall for environmental protection.
Background
At present, railway lines in desert areas and residents at the edges of the desert areas are all disturbed by wind and sand. The damage to the normal running of the train is caused to a certain extent, and the adverse effect is caused to the living environment in the residential area.
The existing wind-break wall along the railway is mainly used for shielding wind and sand, and the effect is poor; when wind sand blows to one side of the wall body, the wind speed on the upper side of the wall body is high, so that the air pressure on the other side of the wall body is reduced, finally, the wind sand can enter the other side of the wall body, and the effect of the common wind-break wall is low. Meanwhile, if the wind-break wall is built around a village, the effect is poor.
The invention relates to a wind-proof sand-reducing wall for environmental protection; the action principle is as follows: when wind sand blows to one side of the wind-proof sand-reducing wall, one part of the wind sand can enter the wall body of the wind-proof sand-reducing wall, the other part of the wind sand can be blocked, and the wind sand entering the wall body of the wind-proof sand-reducing wall can be separated into sand particles and air, wherein the wind sand content in the air is very low, and the sand particles are concentrated and stored at the bottom of the wall body; air enters the other side of the wind-proof sand-reducing wall through the air outlet, so that air pressure on the other side of the wind-proof sand-reducing wall is supplemented and improved, air pressure on the other side of the wind-proof sand-reducing wall is higher, wind sand on the upper side of the wind-proof sand-reducing wall is prevented from entering, and even air with higher air pressure on the other side of the wind-proof sand-reducing wall rises; therefore, the environment on the other side of the wind-proof sand-reducing wall is greatly protected, and the wind sand content of the wind-proof sand-reducing wall is greatly reduced.
The wind and sand content in the railway line on one side of the wind and sand prevention wall or the railway line between the two wind and sand prevention walls is low, and the destructive power of wind and sand and the invasion of wind and sand are greatly slowed down; for villages, the destructive power of wind and sand and the invasion of wind and sand are relieved to a certain extent.
Disclosure of Invention
The invention aims to provide an environment-friendly wind-proof sand-reducing wall, which greatly alleviates the problems of destructive power of wind sand and invasion of the wind sand through the functions of the wind-proof sand-reducing wall.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a wind-proof sand-reducing wall for environmental protection, which comprises a wind-proof sand-reducing wall; the wind-blocking sand-reducing wall is of an inverted J-shaped structure; an air inlet is formed in the top of the wind-blocking sand-falling wall; a cavity for reducing sand is arranged inside the wind-blocking sand-reducing wall; the bottom of the wind-blocking sand-lowering wall is fixedly provided with a wall base fixing seat for fixing; the wall base fixing seat has the effects that the wind-blocking sand-falling wall is fixed on the ground, and meanwhile, the stable wall base fixing seat capable of corresponding is arranged according to the wind sand strength of the environment, so that the stability of the wall base fixing seat is ensured.
Furthermore, air inlet holes are uniformly arrayed on the inner side surface of the wind-resistant sand-reducing wall; the air inlet and the air inlet hole absorb sand particles in the wind sand, and then the wind blocking and sand falling wall internal device separates the wind blocking and sand falling wall internal device from air.
Furthermore, a curved plate for reducing sand is fixed on the inner side surface of the air inlet; the curved plate has the function that sand particles entering the cavity are not easy to flow out.
Furthermore, the bottom of the wind-blocking sand-falling wall is connected with a sand collecting pipe in a through way; and the sand collecting pipe is used for carrying out treatment of collecting sand particles.
Further, a spiral flood dragon blade and a motor are fixedly arranged in the sand collecting pipe; the motor and the spiral flood dragon blade convey sandy soil to the pipe orifice of the sand collecting pipe, so that large-scale equipment such as a bulldozer and the like can conveniently process the sandy soil;
the wind-resistant sand-reducing wall can be constructed in a modularized manner, and sand particles of each segment of the wind-resistant sand-reducing wall can be removed in a centralized manner; has the advantage of convenient cleaning.
Furthermore, the bottom of the wind-resistant sand-falling wall is connected with a sand-falling device which collects sand and discharges air; the sand-reducing device is of a circular tube structure; the bottom of the sand falling device is provided with a rectangular groove; an arc-shaped sand baffle is arranged on the inner surface of the sand falling device; an air outlet is formed in the inner surface of the sand falling device and above the space between the two arc-shaped sand baffles; the sand-reducing device separates sand particles from air to a certain degree.
Furthermore, the air outlet is connected with a plurality of air purifying devices in a penetrating manner; the bottoms of the plurality of wind purifying devices are provided with rectangular grooves A; the bottom of the rectangular groove A is provided with an inclined pipeline; the other end of the pipeline is communicated with the rectangular groove; an arc-shaped sand baffle A is arranged on one side of the inner surface of the wind purifying device; an air outlet A is formed in the inner surface of the air purifying device and above the arc-shaped sand baffle A; the wind-cleaning device further separates the sand particles from the air.
The invention has the following beneficial effects:
1. the invention separates sand particles from air to a certain extent and further separates the sand particles from the air through the action of the sand falling device and the wind purifying device, thereby greatly reducing the wind sand content on the other side of the wind-proof sand-falling wall and improving the living environment to a certain extent.
2. The wind-resistant sand-reducing wall is constructed in a modularized manner, and sand particles of each segment of the wind-resistant sand-reducing wall can be removed in a centralized manner; has the advantage of convenient cleaning.
3. The invention greatly slows down the destructive power of the wind-blown sand and the invasion of the wind-blown sand by the action of the wind-blocking sand-falling wall.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a structural side view of a wind and sand prevention wall for environmental protection according to the present invention;
FIG. 2 is a schematic structural view of an environmental wind and sand prevention wall in a top view according to the present invention;
FIG. 3 is a schematic structural view of a wind-blocking sand-falling wall provided with wind inlet holes;
FIG. 4 is a schematic view of a wind-blocking sand-dropping wall with curved plates in partial section;
FIG. 5 is a schematic view of a wind-blocking sand-dropping wall with a sand-collecting pipe in partial section;
FIG. 6 is a schematic view of a wind-blocking sand-falling wall with spiral flood dragon blades and a motor in partial section;
FIG. 7 is a schematic cross-sectional view of a wind-blocking sand-dropping wall provided with a sand-dropping device;
FIG. 8 is a schematic view of the installation structure of the wind-blocking sand-dropping wall provided with the sand-dropping device;
FIG. 9 is a schematic cross-sectional view of a wind-blocking sand-dropping wall provided with a wind-cleaning device;
FIG. 10 is a schematic view of the installation structure of the wind-blocking sand-dropping wall provided with a wind-cleaning device;
in the drawings, the components represented by the respective reference numerals are listed below:
1-wind-resistant sand-falling wall, 2-wall base fixing seat, 3-sand collecting pipe, 4-sand-falling device, 5-wind-cleaning device, 6-ground, 7-sand particles in wind, 8-wind direction, 101-wind inlet, 102-cavity, 103-wind inlet hole, 104-curved plate, 301-spiral flood dragon blade, 302-motor, 401-rectangular groove, 402-arc sand baffle, 403-wind outlet, 501-rectangular groove A, 502-arc sand baffle A, 503-wind outlet A and 504-pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Example one
Referring to fig. 1-6, the present invention relates to an environmental protection wind-proof sand-reducing wall, which comprises a wind-proof sand-reducing wall 1; the wind-resistant sand-reducing wall 1 is of an inverted J-shaped structure; an air inlet 101 is formed in the top of the wind-blocking sand-falling wall 1; a cavity 102 for reducing sand is arranged in the wind-blocking sand-reducing wall 1; the bottom of the wind-blocking sand-lowering wall 1 is fixedly provided with a wall base fixing seat 2 for fixing; the wall base fixing seat 2 has the effects that the wind-blocking sand-falling wall 1 is fixed on the ground, and meanwhile, the stable wall base fixing seat which can correspond to the wind-blocking sand-falling wall is arranged according to the wind sand strength of the environment, so that the stability of the stable wall base fixing seat is ensured.
Preferably, the wind inlet holes 103 are uniformly arrayed on the inner side surface of the wind-blocking sand-falling wall 1; the wind inlet 101 and the wind inlet hole 103 absorb sand particles in wind sand, and then the wind blocking and sand falling wall 1 is separated from air by an internal device.
Preferably, a curved plate 104 for lowering sand is fixed on the inner side surface of the wind inlet 103; the curved plate 104 functions to prevent sand particles entering the cavity 102 from easily flowing out.
Preferably, the bottom of the wind-resistant sand-lowering wall 1 is connected with a sand collecting pipe 3 in a through way; the sand collecting pipe 3 performs a process of collecting sand particles.
Preferably, a spiral flood dragon blade 301 and a motor 302 are fixedly installed inside the sand collecting pipe 3; the motor 302 and the spiral flood dragon blade 301 convey the sandy soil to the pipe orifice of the sand collecting pipe 3, so that the treatment of large-scale equipment such as a bulldozer and the like is facilitated;
the wind-blocking sand-reducing wall 1 can be constructed in a modularized manner, and sand particles of each segment of the wind-blocking sand-reducing wall 1 can be removed in a centralized manner; has the advantage of convenient cleaning.
Example two
Referring to fig. 1 to 8, the present invention relates to an environmental protection wind-proof sand-reducing wall, which comprises a wind-resistant sand-reducing wall 1; the wind-resistant sand-reducing wall 1 is of an inverted J-shaped structure; an air inlet 101 is formed in the top of the wind-blocking sand-falling wall 1; a cavity 102 for reducing sand is arranged in the wind-blocking sand-reducing wall 1; the bottom of the wind-blocking sand-lowering wall 1 is fixedly provided with a wall base fixing seat 2 for fixing; the wall base fixing seat 2 has the effects that the wind-blocking sand-falling wall 1 is fixed on the ground, and meanwhile, the stable wall base fixing seat which can correspond to the wind-blocking sand-falling wall is arranged according to the wind sand strength of the environment, so that the stability of the stable wall base fixing seat is ensured.
Preferably, the wind inlet holes 103 are uniformly arrayed on the inner side surface of the wind-blocking sand-falling wall 1; the wind inlet 101 and the wind inlet hole 103 absorb sand particles in wind sand, and then the wind blocking and sand falling wall 1 is separated from air by an internal device.
Preferably, a curved plate 104 for lowering sand is fixed on the inner side surface of the wind inlet 103; the curved plate 104 functions to prevent sand particles entering the cavity 102 from easily flowing out.
Preferably, the bottom of the wind-resistant sand-lowering wall 1 is connected with a sand-lowering device 4 for collecting sand and discharging air; the sand-reducing device 4 is of a circular tube structure; the bottom of the sand falling device 4 is provided with a rectangular groove 401; the inner surface of the sand-reducing device 4 is provided with an arc-shaped sand baffle 402; an air outlet 403 is arranged on the inner surface of the sand falling device 4 and above the space between the two arc-shaped sand baffles 402; the sand-lowering device 4 separates sand particles from air to some extent.
Preferably, a spiral flood dragon blade 301 and a motor 302 are fixedly arranged in the rectangular groove 401; the motor 302 and the spiral flood dragon blade 301 convey the sandy soil to the pipe orifice of the sand collecting pipe 3, so that the treatment of large-scale equipment such as a bulldozer and the like is facilitated;
the wind-blocking sand-reducing wall 1 can be constructed in a modularized manner, and sand particles of each segment of the wind-blocking sand-reducing wall 1 can be removed in a centralized manner; has the advantage of convenient cleaning.
EXAMPLE III
Referring to fig. 1-10, the present invention relates to an environmental protection wind-proof sand-reducing wall, which comprises a wind-resistant sand-reducing wall 1; the wind-resistant sand-reducing wall 1 is of an inverted J-shaped structure; an air inlet 101 is formed in the top of the wind-blocking sand-falling wall 1; a cavity 102 for reducing sand is arranged in the wind-blocking sand-reducing wall 1; the bottom of the wind-blocking sand-lowering wall 1 is fixedly provided with a wall base fixing seat 2 for fixing; the wall base fixing seat 2 has the effects that the wind-blocking sand-falling wall 1 is fixed on the ground, and meanwhile, the stable wall base fixing seat which can correspond to the wind-blocking sand-falling wall is arranged according to the wind sand strength of the environment, so that the stability of the stable wall base fixing seat is ensured.
Preferably, the wind inlet holes 103 are uniformly arrayed on the inner side surface of the wind-blocking sand-falling wall 1; the wind inlet 101 and the wind inlet hole 103 absorb sand particles in wind sand, and then the wind blocking and sand falling wall 1 is separated from air by an internal device.
Preferably, a curved plate 104 for lowering sand is fixed on the inner side surface of the wind inlet 103; the curved plate 104 functions to prevent sand particles entering the cavity 102 from easily flowing out.
Preferably, the bottom of the wind-resistant sand-lowering wall 1 is connected with a sand-lowering device 4 for collecting sand and discharging air; the sand-reducing device 4 is of a circular tube structure; the bottom of the sand falling device 4 is provided with a rectangular groove 401; the inner surface of the sand-reducing device 4 is provided with an arc-shaped sand baffle 402; an air outlet 403 is arranged on the inner surface of the sand falling device 4 and above the space between the two arc-shaped sand baffles 402; the sand-lowering device 4 separates sand particles from air to some extent.
Preferably, the air outlet 403 is connected with a plurality of air purifying devices 5 in a penetrating manner; the bottoms of the plurality of air purifying devices 5 are provided with rectangular grooves A501; the bottom of the rectangular groove A501 is provided with an inclined pipeline 504; the other end of the pipeline 504 is communicated with the rectangular groove 401; an arc-shaped sand baffle A502 is arranged on one side of the inner surface of the wind purifying device 5; an air outlet A503 is formed in the inner surface of the air purifying device 5 and above the arc-shaped sand baffle A502; the wind cleaning device 5 preferably separates the sand particles from the air.
Preferably, a spiral flood dragon blade 301 and a motor 302 are fixedly arranged in the rectangular groove 401; the motor 302 and the spiral flood dragon blade 301 convey the sandy soil to the pipe orifice of the sand collecting pipe 3, so that the treatment of large-scale equipment such as a bulldozer and the like is facilitated;
the wind-blocking sand-reducing wall 1 can be constructed in a modularized manner, and sand particles of each segment of the wind-blocking sand-reducing wall 1 can be removed in a centralized manner; has the advantage of convenient cleaning.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a prevent wind and fall husky wall for environmental protection which characterized in that: comprises a wind-resistant sand-reducing wall (1);
the wind-blocking sand-reducing wall (1) is of an inverted J-shaped structure; an air inlet (101) is formed in the top of the wind-blocking sand-falling wall (1); a cavity (102) for reducing sand is arranged in the wind-resistant sand-reducing wall (1);
and a wall base fixing seat (2) for fixing is fixedly arranged at the bottom of the wind-blocking sand-falling wall (1).
2. The wind-proof and sand-reduction wall for environmental protection according to claim 1, wherein the wind-proof and sand-reduction wall (1) has wind inlet holes (103) uniformly arrayed on the inner side surface.
3. The wind-proof and sand-reduction wall for environmental protection according to claim 2, wherein a curved plate (104) for sand reduction is fixed on the inner side surface of the wind inlet hole (103).
4. The wind-proof and sand-reducing wall for environmental protection according to claim 1, 2 or 3, wherein the bottom of the wind-proof and sand-reducing wall (1) is connected with a sand collecting pipe (3) in a penetrating way.
5. The wind-proof and sand-reduction wall for environmental protection according to claim 4, wherein a spiral dragon blade (301) and a motor (302) are fixedly installed inside the sand collecting pipe (3); the motor (302) and the spiral flood dragon blades (301) convey sand to the pipe orifice of the sand collecting pipe (3).
6. The wind-proof and sand-reducing wall for environmental protection according to claim 1, 2 or 3, characterized in that the bottom of the wind-proof and sand-reducing wall (1) is connected with a sand-collecting and air-discharging sand-reducing device (4); the sand-reducing device (4) is of a circular tube structure; a rectangular groove (401) is formed in the bottom of the sand falling device (4); an arc-shaped sand baffle (402) is arranged on the inner surface of the sand falling device (4); an air outlet (403) is arranged on the inner surface of the sand falling device (4) and above the space between the two arc-shaped sand baffles (402).
7. The wind-proof and sand-reduction wall for environmental protection according to claim 6, wherein the wind outlet (403) is connected with a plurality of wind-cleaning devices (5) in a penetrating way; the bottoms of the plurality of wind purifying devices (5) are provided with rectangular grooves A (501); an inclined pipeline (504) is arranged at the bottom of the rectangular groove A (501); the other end of the pipeline (504) is communicated with the rectangular groove (401); an arc-shaped sand baffle A (502) is arranged on one side of the inner surface of the wind purifying device (5); an air outlet A (503) is arranged on the inner surface of the air purifying device (5) and above the arc-shaped sand baffle A (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911190146.6A CN110847067A (en) | 2019-11-28 | 2019-11-28 | A prevent wind and fall husky wall for environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911190146.6A CN110847067A (en) | 2019-11-28 | 2019-11-28 | A prevent wind and fall husky wall for environmental protection |
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| Publication Number | Publication Date |
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| CN110847067A true CN110847067A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911190146.6A Withdrawn CN110847067A (en) | 2019-11-28 | 2019-11-28 | A prevent wind and fall husky wall for environmental protection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030791A (en) * | 2020-07-20 | 2020-12-04 | 中国科学院西北生态环境资源研究院 | Wind and sand prevention device with inclined plane net prevention structure and roadbed wind and sand protection system |
| CN112030790A (en) * | 2020-07-20 | 2020-12-04 | 中国科学院西北生态环境资源研究院 | Wind and sand prevention device with curved surface net blocking structure and roadbed wind and sand protection system |
| CN112144464A (en) * | 2020-09-27 | 2020-12-29 | 中国科学院西北生态环境资源研究院 | Device and method suitable for preventing and treating wind, sand and dust on high-speed railway retaining wall road section |
| CN114412263A (en) * | 2021-12-08 | 2022-04-29 | 中国科学院新疆生态与地理研究所 | Sand prevention device |
-
2019
- 2019-11-28 CN CN201911190146.6A patent/CN110847067A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030791A (en) * | 2020-07-20 | 2020-12-04 | 中国科学院西北生态环境资源研究院 | Wind and sand prevention device with inclined plane net prevention structure and roadbed wind and sand protection system |
| CN112030790A (en) * | 2020-07-20 | 2020-12-04 | 中国科学院西北生态环境资源研究院 | Wind and sand prevention device with curved surface net blocking structure and roadbed wind and sand protection system |
| CN112144464A (en) * | 2020-09-27 | 2020-12-29 | 中国科学院西北生态环境资源研究院 | Device and method suitable for preventing and treating wind, sand and dust on high-speed railway retaining wall road section |
| CN112144464B (en) * | 2020-09-27 | 2022-04-08 | 中国科学院西北生态环境资源研究院 | Device and method suitable for preventing and treating wind, sand and dust on high-speed railway retaining wall road section |
| CN114412263A (en) * | 2021-12-08 | 2022-04-29 | 中国科学院新疆生态与地理研究所 | Sand prevention device |
| CN114412263B (en) * | 2021-12-08 | 2023-03-10 | 中国科学院新疆生态与地理研究所 | Sand prevention device |
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Application publication date: 20200228 |
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