CN108801582A - Anti-wind net dust suppression mechanism demonstrating experiment device and its experimental method - Google Patents
Anti-wind net dust suppression mechanism demonstrating experiment device and its experimental method Download PDFInfo
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- CN108801582A CN108801582A CN201811007485.1A CN201811007485A CN108801582A CN 108801582 A CN108801582 A CN 108801582A CN 201811007485 A CN201811007485 A CN 201811007485A CN 108801582 A CN108801582 A CN 108801582A
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- 239000000428 dust Substances 0.000 title claims abstract description 84
- 238000002474 experimental method Methods 0.000 title claims abstract description 26
- 230000001629 suppression Effects 0.000 title claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000007795 flow visualization technique Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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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
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of anti-wind net dust suppression mechanism demonstrating experiment device and its experimental methods, including supply air system, experimental section, wind-proof dust-suppression system, observation system；The experimental section includes transparent, closed rectangular body, and the side of the rectangular body is air intake vent, the other side is air outlet；The supply air system connects the air outlet and air intake vent of the experimental section；The wind-proof dust-suppression system includes windproof pessimistic concurrency control and particulate dust, and the windproof pessimistic concurrency control is arranged in rectangular body close to the side of air intake vent, and the particulate dust is arranged in rectangular body and on rear side of windproof pessimistic concurrency control；The observation system includes computer, data collector and dust density detector, and the dust density detector is arranged in windproof pessimistic concurrency control posterior region, and the dust density detector, data collector, computer are sequentially connected.The present invention provides the experimental provision that can be carried out indoors for researcher, while can be in the anti-dust effect for examining different anti-wind nets.
Description
Technical field
The present invention relates to flow visualization technique field in hydrodynamics, more particularly to one kind can demonstrate anti-wind net dust suppression machine
The experimental provision and its experimental method of reason.
Background technology
The materials such as coal yard, battle field, cement field, construction site generate when stacking the material that place is stacked and roadside construction
Mound, be easy affected by wind and generate a large amount of airborne dusts, not only caused the loss of material, but also to form serious air dirty
Dye.In order to effectively solve the problems, such as that airborne dust, wind-proof dust-suppression net come into being.Wind-proof dust-suppression net is mainly to power-wind of generation airborne dust
It is controlled, weakens the speed of incoming wind as possible, reduce the ability of wind airborne dust, to achieve the effect that inhibit airborne dust.Windproof suppression
The principle that dirt net reduces wind speed is mainly to destroy the flow field of high speed incoming wind using the network with certain percent opening, into
And improve the wind field of incoming and auspicious flow structure.After anti-wind net, a part of wind is lifted upwards due to the inhibition of anti-wind net
Wind speed is larger at the top of liter formation net streams wind, forms the lower seepage flow wind of wind speed by the part of anti-wind net, top is streamed at a high speed
Wind has taken away most of wind energy, and low wind speed area is formed after making net.Since the subsequent wind speed of anti-wind net is relatively low, it is located at windproof subsequent
Particulate dust just can not play dirt, to play great inhibiting effect to airborne dust.Anti-wind net inhibits the technology of airborne dust to have become
The primary abatement technology of dust pollution is widely used in the outdoor bulk cargo stockyard such as factory, harbour, can effectively reduce due to wind
Significant loss and environmental pollution caused by erosion effect.
Invention content
In order to demonstrate anti-wind net dust suppression mechanism in room conditions, the present invention provides a kind of anti-wind net dust suppression mechanism demonstration
Experimental provision and its experimental method provide the experimental provision that can be carried out indoors for researcher, while can examine not
With the anti-dust effect of anti-wind net.
The technical solution adopted in the present invention is：A kind of anti-wind net dust suppression mechanism demonstrating experiment device, including supply air system,
Experimental section, wind-proof dust-suppression system, observation system；
The experimental section includes transparent, closed rectangular body, and the side of the rectangular body is air intake vent, the other side is
Air outlet；
The supply air system connects the air outlet and air intake vent of the experimental section；
The wind-proof dust-suppression system includes windproof pessimistic concurrency control and particulate dust, and the windproof pessimistic concurrency control is arranged described rectangular
In body and positioned at close to the side of the air intake vent, the particulate dust is arranged in the rectangular body and positioned at described
On rear side of windproof pessimistic concurrency control；
The observation system includes computer, data collector and dust density detector, the dust density detector
It is arranged in the windproof pessimistic concurrency control posterior region, the dust density detector, data collector, computer are sequentially connected.
Further, the experimental section further includes gradual change connecting tube road junction, flow straightening grid, and the rectangular body both sides enter
Air port and air outlet are connected by gradual change connecting tube road junction with the air supply duct of the supply air system respectively；The flow straightening grid
It is arranged at the air intake vent.
Wherein, the bottom of the rectangular body, between the flow straightening grid and the windproof pessimistic concurrency control for plus rough bottom
Portion, for simulating ground.
Wherein, described plus rough bottom is stained with rubber grain by the rectangular body bottom and is made.
Further, the supply air system includes that wind turbine, air supply duct, dust remove device only；The both ends of the air supply duct
The air intake vent and air outlet of the rectangular body both sides are connected by gradual change connecting tube road junction respectively；The wind turbine is arranged described
On air supply duct, the size for adjusting flow velocity；The dust removes device setting and connects in the air supply duct and the air outlet only
The end connect, for only except the dust in moving air.
Further, the windproof pessimistic concurrency control can be detachably fixedly arranged in securing channels, securing channels setting by
The side of the nearly air intake vent；The top surface of the rectangular body is provided with energy removably above the securing channels
Cuboid lath is conveniently replaceable and installs different windproof pessimistic concurrency controls.
Further, the dust density detector is arranged in several places of the windproof pessimistic concurrency control posterior region, for monitoring
Dust concentration.
Another technical solution of the present invention is：It is a kind of based on above-mentioned anti-wind net dust suppression mechanism demonstrating experiment device
Experimental method includes the following steps：
Step 1, anti-wind net model, monitoring dust concentration under conditions of no anti-wind net protects are not installed；
Step 2, windproof pessimistic concurrency control is installed, the dust concentration under anti-wind net protection condition is monitored；
Step 3, different windproof pessimistic concurrency controls is replaced, dust concentration is monitored, judges different preventing by comparing dust concentration
The protection effect of wind net.
The beneficial effects of the invention are as follows：
1) the dust suppression mechanism that can demonstrate anti-wind net in room conditions provides effective experiment dress for researcher
It sets；
2) anti-dust effect that different anti-wind nets can be examined by experimental provision, to reach the mesh for optimizing windproof pessimistic concurrency control
's；
3) anti-wind net protection effect is demonstrated by experimental provision, done propaganda for public good project, enterprise product, or enterprise
Industry promotes product and does intuitive explanation.
Description of the drawings
Fig. 1：Anti-wind net dust suppression mechanism demonstrating experiment device structural schematic diagram of the present invention.
Attached drawing marks：1- computers；2- data collectors；3- data lines；4- wind turbines；5- air supply ducts；6- dust removes only
Device；7- dust density detectors；8- rectangular bodies；9- gradual change connecting tubes road junction；10- cuboid laths；11- adds rough bottom；12-
Flow straightening grid；The windproof pessimistic concurrency controls of 13-；14- particulate dusts.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows：
In order to be effectively reduced the speed of incoming wind, anti-wind net itself is generally designed to specific shape, and has one
Fixed percent opening.The present invention primarily to effectively demonstrate the dust suppression mechanism of anti-wind net, while indoors in room conditions
Under the conditions of tested, inquire into different shape, different percent opening protection effect of the anti-wind net under different wind speed.It can be section
Grind the principle that wind-proof dust-suppression is demonstrated in worker room, or the anti-dust effect of different anti-wind nets is demonstrated by business unit, provides
Decision guidance.
As shown in Fig. 1, it is most of can be divided into four for a kind of anti-wind net dust suppression mechanism demonstrating experiment device：Supply air system, reality
Test section, wind-proof dust-suppression system, observation system.
Supply air system：Device 6 is removed only including wind turbine 4, air supply duct 5, dust, and the dust removes device 6 only can remove flowing only
Dust in air can adjust the size of flow velocity by the wind turbine 4.The both ends of the air supply duct 5 pass through gradual change respectively
Connecting tube road junction 9 connects the air intake vent and air outlet of 8 both sides of experimental section rectangular body；The setting of the wind turbine 4 is sent described
On wind pipeline 5；The dust is only except device 6 is arranged in the end that the air supply duct 5 is connect with the air outlet.
Experimental section：Experimental section is totally about 3m, and height gets over 0.5m, wide about 1m, including gradual change connecting tube road junction 9, flow straightening grid
12, transparent and closed rectangular body 8, can be made of transparent organic glass.The side of the rectangular body 8 is air intake vent, wind
Speed can be regulated and controled according to experiment demand, and the other side is air outlet.The air intake vent and air outlet of 8 both sides of the rectangular body
It is connected respectively with the air supply duct 5 of the supply air system by gradual change connecting tube road junction 9.The flow straightening grid 12 is arranged
At the air intake vent.
Wind-proof dust-suppression system：Including windproof pessimistic concurrency control 13 and particulate dust 14.The windproof pessimistic concurrency control 13 is arranged described
It in rectangular body 8 and is fixed in the securing channels of the side of the air intake vent, the windproof pessimistic concurrency control 13 can be from admittedly
Determine to dismantle on conduit；The top surface of the rectangular body 8 is provided with the dismountable cuboid of energy above the securing channels
Lath 10 facilitates installation to replace different windproof pessimistic concurrency controls 13；Windproof pessimistic concurrency control 13 to be tested will be needed to be mounted on securing channels
On examine the anti-dust effect of anti-wind net.The setting of the particulate dust 14 is in the rectangular body 8 and is located at the anti-wind net
13 rear side of model.
The bottom of the rectangular body 8 is to add rough bottom between the flow straightening grid 12 and the windproof pessimistic concurrency control 13
The influence that bottom roughness boundary convection moves wind is simulated for simulating ground in portion 11；Described plus rough bottom 11 can be by described
8 bottom of rectangular body is stained with rubber grain and is made.The windproof pessimistic concurrency control 13 can use organic glass or steel plate according to specific shape
And percent opening is made.Flour or unclassified stores can be selected in the particulate dust 14.
Observation system：Including computer 1, data collector 2 and dust density detector 7, number can be recorded on computer 1
According to.The dust density detector 7 is set in 13 posterior region many places of the windproof pessimistic concurrency control, for monitoring dust concentration.Institute
It states dust density detector 7 by data line 3 to be connected with the data collector 2, the data collector 2 and the calculating
Machine 1 is connected.
Based on the experimental method of above-mentioned anti-wind net dust suppression mechanism demonstrating experiment device, include the following steps：
First, anti-wind net model 13, monitoring dust concentration under conditions of no anti-wind net protects are not installed；It installs windproof
Pessimistic concurrency control 13 monitors the dust concentration under anti-wind net protection condition；Different windproof pessimistic concurrency controls 13 is replaced, monitoring dust is dense
Degree judges the protection effect of different anti-wind nets by comparing dust concentration.
Due to the condition outside experimental provision simulating chamber, so certain similarity criterion should be met.This experimental provision is accurate
Mobility status is simulated, reynolds analogue criterion should be met：Re=U × D/ υ, wherein Re is Reynolds number, and U is wind speed, and D is anti-wind net
13 height of model, υ is coefficient of kinematic viscosity of air.Since experimental provision is to be reduced by several multiples of outdoor conditions, therefore test
The wind speed of device should also correspond to outdoor conditions several times and amplify.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited in upper
The specific implementation mode stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
By make it is many in the form of, within these are all belonged to the scope of protection of the present invention.
Claims (8)
1. a kind of anti-wind net dust suppression mechanism demonstrating experiment device, which is characterized in that including supply air system, experimental section, wind-proof dust-suppression
System, observation system；
The experimental section includes transparent, closed rectangular body, and the side of the rectangular body is air intake vent, the other side is outlet air
Mouthful；
The supply air system connects the air outlet and air intake vent of the experimental section；
The wind-proof dust-suppression system includes windproof pessimistic concurrency control and particulate dust, and the windproof pessimistic concurrency control is arranged in the rectangular body
Side that is interior and being located at the close air intake vent, the particulate dust are arranged in the rectangular body and positioned at described windproof
On rear side of pessimistic concurrency control；
The observation system includes computer, data collector and dust density detector, the dust density detector setting
In the windproof pessimistic concurrency control posterior region, the dust density detector, data collector, computer are sequentially connected.
2. a kind of anti-wind net dust suppression mechanism demonstrating experiment device according to claim 1, which is characterized in that the experimental section
Further include gradual change connecting tube road junction, flow straightening grid, the air intake vent and air outlet of the rectangular body both sides are connected by gradual change respectively
Road junction is taken over the air supply duct of the supply air system to be connected；The flow straightening grid is arranged at the air intake vent.
3. a kind of anti-wind net dust suppression mechanism demonstrating experiment device according to claim 2, which is characterized in that the rectangle
The bottom of body is to add rough bottom between the flow straightening grid and the windproof pessimistic concurrency control, for simulating ground.
4. a kind of anti-wind net dust suppression mechanism demonstrating experiment device according to claim 3, which is characterized in that described plus rough bottom
Portion is stained with rubber grain by the rectangular body bottom and is made.
5. a kind of anti-wind net dust suppression mechanism demonstrating experiment device according to claim 1, which is characterized in that the air-supply system
System includes that wind turbine, air supply duct, dust remove device only；The both ends of the air supply duct connect institute by gradual change connecting tube road junction respectively
State the air intake vent and air outlet of rectangular body both sides；The wind turbine is arranged on the air supply duct, for adjusting the big of flow velocity
It is small；The dust is arranged except device in the end that the air supply duct is connect with the air outlet only, for only except in moving air
Dust.
6. a kind of anti-wind net dust suppression mechanism demonstrating experiment device according to claim 1, which is characterized in that the anti-wind net
Model can be detachably fixedly arranged in securing channels, and the securing channels are positioned close to the side of the air intake vent；It is described rectangular
The top surface of body is provided with the dismountable cuboid lath of energy above the securing channels, and it is different to be conveniently replaceable installation
Windproof pessimistic concurrency control.
7. a kind of anti-wind net dust suppression mechanism demonstrating experiment device according to claim 1, which is characterized in that the anti-wind net
The dust density detector is arranged in several places of model posterior region, for monitoring dust concentration.
8. a kind of experiment side based on 1 to 7 any one of them anti-wind net dust suppression mechanism demonstrating experiment device of the claims
Method, which is characterized in that include the following steps：
Step 1, anti-wind net model, monitoring dust concentration under conditions of no anti-wind net protects are not installed；
Step 2, windproof pessimistic concurrency control is installed, the dust concentration under anti-wind net protection condition is monitored；
Step 3, different windproof pessimistic concurrency controls is replaced, dust concentration is monitored, judges different anti-wind nets by comparing dust concentration
Protection effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007485.1A CN108801582A (en) | 2018-08-31 | 2018-08-31 | Anti-wind net dust suppression mechanism demonstrating experiment device and its experimental method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007485.1A CN108801582A (en) | 2018-08-31 | 2018-08-31 | Anti-wind net dust suppression mechanism demonstrating experiment device and its experimental method |
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| Publication Number | Publication Date |
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| CN108801582A true CN108801582A (en) | 2018-11-13 |
Family
ID=64081432
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811007485.1A Pending CN108801582A (en) | 2018-08-31 | 2018-08-31 | Anti-wind net dust suppression mechanism demonstrating experiment device and its experimental method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005188995A (en) * | 2003-12-24 | 2005-07-14 | Toyota Motor Corp | Testing method for dust prevention and its system |
| CN101487357A (en) * | 2008-12-25 | 2009-07-22 | 青岛科技大学 | Wind-proof dust-suppression method for open bulk materials stacking field, and its wind-proof dust-suppression net and use |
| CN105067773A (en) * | 2015-08-07 | 2015-11-18 | 东南大学 | Unorganized-dust dust suppressant dust restraining rate testing and evaluating device and method |
| CN105277475A (en) * | 2015-12-07 | 2016-01-27 | 中国矿业大学 | Dust testing experiment system of ventilation flow field |
| CN107561217A (en) * | 2017-08-04 | 2018-01-09 | 上海交通大学 | A kind of plant lays the dust the wind tunnel simulation device and operating method of study mechanism |
| CN208751820U (en) * | 2018-08-31 | 2019-04-16 | 天津大学 | Anti-wind net dust suppression mechanism demonstrating experiment device |
-
2018
- 2018-08-31 CN CN201811007485.1A patent/CN108801582A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005188995A (en) * | 2003-12-24 | 2005-07-14 | Toyota Motor Corp | Testing method for dust prevention and its system |
| CN101487357A (en) * | 2008-12-25 | 2009-07-22 | 青岛科技大学 | Wind-proof dust-suppression method for open bulk materials stacking field, and its wind-proof dust-suppression net and use |
| CN105067773A (en) * | 2015-08-07 | 2015-11-18 | 东南大学 | Unorganized-dust dust suppressant dust restraining rate testing and evaluating device and method |
| CN105277475A (en) * | 2015-12-07 | 2016-01-27 | 中国矿业大学 | Dust testing experiment system of ventilation flow field |
| CN107561217A (en) * | 2017-08-04 | 2018-01-09 | 上海交通大学 | A kind of plant lays the dust the wind tunnel simulation device and operating method of study mechanism |
| CN208751820U (en) * | 2018-08-31 | 2019-04-16 | 天津大学 | Anti-wind net dust suppression mechanism demonstrating experiment device |
Non-Patent Citations (1)
| Title |
|---|
| 张宁 等: "防风网对煤堆遮风效果的风洞实验研究", 《实验流体力学》 * |
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Application publication date: 20181113 |
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