CN113588198A - Sand storm simulation generator - Google Patents
Sand storm simulation generator Download PDFInfo
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- CN113588198A CN113588198A CN202010362227.6A CN202010362227A CN113588198A CN 113588198 A CN113588198 A CN 113588198A CN 202010362227 A CN202010362227 A CN 202010362227A CN 113588198 A CN113588198 A CN 113588198A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
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Abstract
本发明涉及一种沙尘暴模拟发生器，该发生器包括固定在支架Ⅰ上带活页小门的盛沙斗、置于盛沙斗底部的可调沙尘量装置和置于可调沙尘量装置下方的箱体结构。盛沙斗的中上部设有内置拆卸纱网；可调沙尘量装置包括支架Ⅱ、手柄和沙量控制滑板；支架Ⅱ的中部设有转轴，该转轴的一端与手柄相连；支架Ⅱ的顶部两侧分别设有滑套，该滑套内水平放置有沙量控制滑板；转轴两侧对称设有一对旋转滚轮，该旋转滚轮与沙量控制滑板相接触；沙量控制滑板的两侧设有滑孔，该滑孔与滑套相连；沙量控制滑板上设有多排不同形式的漏沙孔或漏沙槽。本发明操控简单，试验精准，可满足各类沙尘试验和抗风沙胁迫的试验要求。
The invention relates to a sandstorm simulation generator. The generator comprises a sand bucket fixed on a bracket I with a small leaflet door, an adjustable sand and dust volume device placed at the bottom of the sand bucket, and an adjustable sand and dust volume device. The box structure below. The middle and upper part of the sand bucket is provided with a built-in dismantling gauze; the adjustable sand and dust volume device includes a bracket II, a handle and a sand volume control slide plate; the middle part of the bracket II is provided with a rotating shaft, one end of which is connected with the handle; There are sliding sleeves on the sides, and a sand volume control skateboard is placed horizontally in the sliding sleeve; a pair of rotating rollers are symmetrically arranged on both sides of the rotating shaft, and the rotating rollers are in contact with the sand volume control skateboard; The sliding hole is connected with the sliding sleeve; the sand volume control slide plate is provided with multiple rows of sand leakage holes or sand leakage grooves of different forms. The invention has simple control and accurate test, and can meet the test requirements of various types of sand and dust tests and resistance to wind and sand stress.
Description
Technical Field
The invention relates to the technical field of ecological environment equipment manufacturing, in particular to a sand storm simulation generator.
Background
The sand storm is a serious sand storm weather environment which blows a large amount of dust substances on the ground by strong wind and is involved in the air to make the air very turbid and have very low visibility. The sand storm can cause the destruction of buildings and the casualties of people and livestock through the blowing erosion of strong wind carrying fine sand dust, and can also carry a large amount of sand particles to invade farmlands, channels, railways, grasslands and the like to be buried by a large amount of flowing sand, so that sand and floating dust wrapped by fierce wind are diffused all around in the sand storm weather, and diseases such as respiratory tract and the like are frequent when the sand and dust passes through regional air turbidity and nose glaring and eye catching, and particularly in sand storm source areas and sand and dust affected areas, inhalable particles (TSP) in the atmosphere are increased, and the ecological environment is deteriorated. Except for the extreme weather phenomenon of sand storm, the weather phenomena of haze, sand raising, floating dust, smoke and the like are all caused by the influence of a large amount of superfine dust particles or smoke particles floating in the air, so that the visibility of the effective level is reduced, the atmospheric pollution is aggravated, the living environment is worsened, and the production and the life are seriously influenced.
At present, the research on sand storms and sand dusts is mainly researched from a meteorological perspective and a large scale, and migration paths and influence ranges are researched by monitoring the occurrence and development processes of the sand storms. The research on a small scale is less, and only the research level of the mechanism of the sanding and the dust-removing is involved. With the development of the technology, the wind sand flow can be simulated in the wind tunnel, the main method is to cover sand at the bottom of the wind tunnel, and although the method can generate the wind sand flow, the method cannot accurately simulate the environment of sand dust, especially sand dust storm. The other main method is to simulate a sand storm by adopting a top-down sand leakage method, which can generate sand flows, but the generated sand flows are all saturated sand flows due to the incapability of controlling the sand leakage amount, and even the sand storms of different levels, especially floating dust environments, cannot be simulated. And only one-dimensional wind speed can be generated in the wind tunnel, and sand and dust can not stay in the tunnel body for a long time due to timely dispersion along with the downwind direction, so that how to accurately control the simulation of sand and dust storms of different levels, the simulation of sand and dust environments, particularly the simulation of floating dust environments, and the formation of the sand and dust environment in a near-natural state is a difficulty in the prevention and treatment research of the sand and wind environment and sand disasters at present.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sand storm simulation generator which is simple to control and accurate in test.
In order to solve the above problems, the invention provides a sand storm simulation generator, which is characterized in that: the generator comprises a sand containing hopper with a small hinge door, a sand and dust amount adjustable device and a box body structure, wherein the sand containing hopper is fixed on a bracket I, the sand and dust amount adjustable device is arranged at the bottom of the sand containing hopper, and the box body structure is arranged below the sand and dust amount adjustable device; the middle upper part of the sand containing hopper is provided with a built-in detachable gauze; the sand and dust amount adjustable device comprises a bracket II, a handle and a sand amount control sliding plate; a rotating shaft is arranged in the middle of the bracket II, and one end of the rotating shaft is connected with the handle; sliding sleeves are respectively arranged on two sides of the top of the support II, and the sand amount control sliding plate is horizontally placed in each sliding sleeve; a pair of rotating rollers is symmetrically arranged on two sides of the rotating shaft and is in contact with the sand quantity control sliding plate; sliding holes are formed in the two sides of the sand quantity control sliding plate and connected with the sliding sleeve; and a plurality of rows of sand leaking holes or sand leaking grooves in different forms are arranged on the sand quantity control sliding plate.
The built-in detachable gauze is obliquely arranged and is connected with the sand containing hopper through a buckle.
The small loose-leaf door is arranged on the sand containing hopper at one side of the bottom edge of the built-in detachable gauze.
The built-in detachable gauze is a group of gauze with different aperture sizes.
The sand quantity control sliding plate is a plurality of sets of rectangular steel plates with different aperture sizes or sand leakage quantity.
The width of each row of the sand leaking holes or the sand leaking grooves in different forms is equal to the width of the bottom of the sand containing hopper.
And bulges are arranged on the edges of the sand leaking holes or the sand leaking grooves in each row in different forms.
The sliding sleeve is fixed on the bracket II through a bolt.
And the rotating roller is provided with a thread I, and the thread I is matched with a thread II arranged at the bottom of the sand quantity control sliding plate.
Compared with the prior art, the invention has the following advantages:
1. the built-in detachable gauze is arranged at the middle upper part of the sand containing hopper, so that injected sand particles can be firstly separated according to the particle size of sand dust.
2. The sand quantity control sliding plate is arranged, and the sand quantity control sliding plate is provided with a plurality of rows of sand leakage holes or sand leakage grooves in different forms, so that the sand quantity control sliding plate can be horizontally moved by rotating the handle, and various sand leakage forms such as the sand leakage holes or the sand leakage grooves meeting the test requirements can be selected at any time, thereby achieving the purpose of accurately controlling the sand leakage quantity.
3. According to the invention, the sand quantity control sliding plate is horizontally arranged in the sliding sleeve and is in contact with the rotating roller, so that the direction, the angle, the sand flow and the like of a sand leakage point can be flexibly regulated and controlled, and thus different levels of sand storm close to the natural state can be simulated, and simultaneously sand dust, floating dust or haze environment can be simulated.
4. The wind tunnel is simple to operate and control, convenient to test and wide in application range, overcomes the regional limitation, can be installed in an indoor wind tunnel, can be combined with a portable wind tunnel, and can be installed in a field environment to perform related research under the condition of natural wind conditions, so that the requirements of various sand tests and wind and sand stress resistance tests are met.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
FIG. 3 is a schematic view of the horizontal structure of the sand control slide plate according to the present invention.
In the figure: the sand-containing device comprises a sand containing hopper, 11, a built-in detachable gauze, 12, a small hinge door, 2, a sand and dust amount adjusting device, 21, a rotating roller, 22, a sand amount control sliding plate, 221, a sand leakage hole, 222, a sand leakage groove, 223, an edge bulge, 224, a sliding hole, 225, a bolt, 23, a handle transmission, 24, a sand and dust amount adjusting device support, 25, a sliding sleeve and 3, and a box body structure.
Detailed Description
As shown in fig. 1 to 3, a sand storm simulation generator comprises a sand hopper 1 fixed on a bracket i 13 and provided with a small hinge door 12, a sand amount adjustable device 2 arranged at the bottom of the sand hopper 1, and a box structure 3 arranged below the sand amount adjustable device 2.
The middle upper part of the sand hopper 1 is provided with a built-in detachable gauze 11; the sand and dust amount adjustable device 2 comprises a bracket II 24, a handle 23 and a sand amount control sliding plate 22; the middle part of the bracket II 24 is provided with a rotating shaft, and one end of the rotating shaft is connected with the handle 23; sliding sleeves 25 are respectively arranged on two sides of the top of the support II 24, and a sand control sliding plate 22 is horizontally placed in each sliding sleeve 25; a pair of rotating rollers 21 are symmetrically arranged at both sides of the rotating shaft, and the rotating rollers 21 are contacted with a sand quantity control sliding plate 22; the sand quantity control slide plate 22 is provided with slide holes 224 at both sides, and the slide holes 224 are connected with the slide sleeve 25; the sand quantity control slide plate 22 is provided with a plurality of rows of sand leakage holes 221 or sand leakage grooves 222 in different forms.
Wherein: the built-in detachable gauze 11 is obliquely arranged and is connected with the sand hopper 1 through a buckle.
The sand hopper 1 at one side of the bottom edge of the built-in detachable gauze 11 is provided with a small hinged door 12, so that sand grains or impurities with larger grain diameter can be discharged out of the sand hopper at any time.
The built-in detachable gauze 11 is a group of gauze with different apertures, and can be replaced with gauze with different apertures at any time according to the actual particle size of the dust.
The sand quantity control slide plate 22 is a plurality of sets of rectangular steel plates with different aperture sizes or sand leakage quantities, and is replaced at any time according to test requirements, so that the sand leakage quantity or sand dust quantity can be accurately controlled.
The width of each row of the sand leaking holes 221 or the sand leaking grooves 222 is equal to the width of the bottom of the sand holding hopper 1.
The edge of each row of sand leakage holes 221 or sand leakage grooves 222 in different forms is provided with a projection 223.
The sliding sleeve 25 is fixed on the bracket II 24 through a bolt 225.
The rotating roller 21 is provided with a thread I which is matched with a thread II arranged at the bottom of the sand quantity control sliding plate 22.
The box structure 3 may be adapted to receive dust and sand leaking through the adjustable dust and sand amount device 2.
The rotating roller 21 can rotate through the handle 23 to move the sand quantity control slide plate 22 horizontally, and when the sand quantity control slide plate 22 moves to a certain row of sand leaking holes 221 or sand leaking grooves 222, the sand quantity control slide plate can be tightly attached to the bottom of the sand hopper 1.
In the process of installing the equipment, firstly, two side surfaces of the sand amount control sliding plate 22 are horizontally placed in the sliding sleeve 25 above the bracket II 24 of the sand amount adjustable device 2, then the rotating roller 21 of the sand amount adjustable device 2 can rotate through the handle 23 to horizontally move the sand amount control sliding plate 22, and as the bottom of the two side surfaces of the sand amount control sliding plate 22 is provided with the threads II which can be matched with the rotating roller 21, the sand amount control sliding plate 22 can be moved to a sand leakage hole 221 or a sand leakage groove 222 required by a test when the handle 23 is controlled.
Before the test, the built-in detachable gauze 11 suitable for the aperture size is placed in advance according to the relevant requirements of the test. At this time, external sand grains are slowly introduced into the sand hopper 1, and after the separation action of the built-in detachable gauze 11, a part of the sand grains enter the bottom of the sand hopper 1, and the other part of the sand grains with larger grain diameter are discharged through the small hinged door 12 at the upper part of the sand hopper 1.
The invention can be combined with wind tunnel equipment to simulate the wind-sand flow field characteristics of sand storms of different levels, can also be used for simulating test research of artificial sand storms in the field, and can also be used for relevant simulation test research under dust environment or haze meteorological conditions. The sand leakage amount or the sand dust amount can be accurately regulated and controlled by selecting different sand leakage forms, and the response characteristics of some objects or plants in sand dust environments with different angles and different directions can be researched by flexibly simulating the generation modes of sand storms with different levels and the sand dust environments.
Example 1 simulation of a dust environment was performed using a dust storm simulator in combination with a wind tunnel.
The sand storm simulation generator is arranged at the upper part of the wind tunnel test section, the sand quantity control sliding plate 22 is arranged and adjusted to a row of sand leakage grooves 222 or sand leakage holes 221, and then the sand quantity control sliding plate 22 is controlled to be above the bracket II 24 through bolts 225. And slowly injecting the quicksand from the upper part of the sand hopper 1, wherein the quicksand enters the wind tunnel test section through the sand leakage hole 221 or the sand leakage groove 222, and the wind tunnel is started to regulate and control the set wind speed. Each row of sand leaking holes 221 or the sand leaking grooves 222 can measure the sand leaking amount per minute during the natural leaking process, so that the sand leaking amount can be referred to in the related test process to set the level of the sand storm or sand storm. In the test process, along with the gradual increase of the wind speed, the sand leakage amount can be correspondingly increased by adjusting the sand amount control sliding plate 22, and then the sand storm or the sand environment in a near-natural state can be simulated.
Example 2 a sandstorm simulator was placed in a field environment to simulate a sandstorm environment.
The sand storm simulation generator can be placed in a natural wind condition to simulate a sand raising or dust floating environment in a field environment. The sand storm simulation generator is horizontally arranged perpendicular to the main wind direction, sand is injected into the sand containing hopper 1, and the sand storm simulation generator is adjusted to be in a proper sand leaking hole 221 or a proper sand leaking groove 222. Experimental materials (such as plants grown in flowerpots) or experimental models, etc. are placed at the downwind direction of the sand leakage hole 221 or the sand leakage groove 222. Under the condition of natural wind condition, the sand leakage hole 221 or the sand leakage groove 222 is opened, and a sand dust environment is generated in the downwind direction. The method can be used for researching the sand capturing capability of different plants or the sand fixing capability of the plants, and can also be used for researching the sand prevention performance of related instruments or certain equipment in a sand environment.
Claims (9)
1. A kind of dust storm simulation generator, characterized by that: the generator comprises a sand containing bucket (1) with a small hinge door (12) fixed on a bracket I (13), a sand and dust amount adjustable device (2) arranged at the bottom of the sand containing bucket (1) and a box body structure (3) arranged below the sand and dust amount adjustable device (2); the middle upper part of the sand containing hopper (1) is provided with a built-in detachable gauze (11); the sand and dust amount adjustable device (2) comprises a bracket II (24), a handle (23) and a sand amount control sliding plate (22); a rotating shaft is arranged in the middle of the bracket II (24), and one end of the rotating shaft is connected with the handle (23); sliding sleeves (25) are respectively arranged on two sides of the top of the support II (24), and the sand amount control sliding plate (22) is horizontally placed in each sliding sleeve (25); a pair of rotating rollers (21) is symmetrically arranged on two sides of the rotating shaft, and the rotating rollers (21) are in contact with the sand quantity control sliding plate (22); sliding holes (224) are formed in the two sides of the sand quantity control sliding plate (22), and the sliding holes (224) are connected with the sliding sleeve (25); the sand quantity control sliding plate (22) is provided with a plurality of rows of sand leakage holes (221) or sand leakage grooves (222) in different forms.
2. A sandstorm simulation generator as claimed in claim 1 wherein: the built-in detachable gauze (11) is obliquely arranged and is connected with the sand hopper (1) through a buckle.
3. A sandstorm simulation generator as claimed in claim 2 wherein: the small loose-leaf door (12) is arranged on the sand hopper (1) at one side of the bottom edge of the built-in detachable gauze (11).
4. A sandstorm simulation generator as claimed in claim 1 wherein: the built-in detachable gauze (11) is a group of gauze with different pore sizes.
5. A sandstorm simulation generator as claimed in claim 1 wherein: the sand amount control sliding plate (22) is a plurality of sets of rectangular steel plates with different aperture sizes or sand leakage amounts.
6. A sandstorm simulation generator as claimed in claim 1 wherein: the width of each row of the sand leakage holes (221) or the sand leakage grooves (222) in different forms is equal to the width of the bottom of the sand containing hopper (1).
7. A sandstorm simulation generator as claimed in claim 1 wherein: the edge of each row of the sand leakage holes (221) or the sand leakage grooves (222) in different forms is provided with a bulge (223).
8. A sandstorm simulation generator as claimed in claim 1 wherein: the sliding sleeve (25) is fixed on the bracket II (24) through a bolt (225).
9. A sandstorm simulation generator as claimed in claim 1 wherein: and a thread I is arranged on the rotary roller (21) and is matched with a thread II arranged at the bottom of the sand quantity control sliding plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010362227.6A CN113588198B (en) | 2020-04-30 | 2020-04-30 | Sand storm simulation generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010362227.6A CN113588198B (en) | 2020-04-30 | 2020-04-30 | Sand storm simulation generator |
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| Publication Number | Publication Date |
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| CN113588198A true CN113588198A (en) | 2021-11-02 |
| CN113588198B CN113588198B (en) | 2025-07-29 |
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| CN202010362227.6A Active CN113588198B (en) | 2020-04-30 | 2020-04-30 | Sand storm simulation generator |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980026965A (en) * | 1996-10-12 | 1998-07-15 | 박병재 | Sand chipping test device of vehicle |
| CN104122064A (en) * | 2013-04-27 | 2014-10-29 | 中国科学院寒区旱区环境与工程研究所 | Soil wind erosion collector for wind tunnel |
| CN104729823A (en) * | 2015-04-09 | 2015-06-24 | 中国科学院电工研究所 | Sand wind two-phase flow experiment device for buildings and building wind sand experiments |
| CN211784179U (en) * | 2020-04-30 | 2020-10-27 | 甘肃省治沙研究所 | Sand storm simulation generator |
-
2020
- 2020-04-30 CN CN202010362227.6A patent/CN113588198B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980026965A (en) * | 1996-10-12 | 1998-07-15 | 박병재 | Sand chipping test device of vehicle |
| CN104122064A (en) * | 2013-04-27 | 2014-10-29 | 中国科学院寒区旱区环境与工程研究所 | Soil wind erosion collector for wind tunnel |
| CN104729823A (en) * | 2015-04-09 | 2015-06-24 | 中国科学院电工研究所 | Sand wind two-phase flow experiment device for buildings and building wind sand experiments |
| CN211784179U (en) * | 2020-04-30 | 2020-10-27 | 甘肃省治沙研究所 | Sand storm simulation generator |
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| CN113588198B (en) | 2025-07-29 |
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