CN205748867U - A kind of portable earth's surface sand and dust release visualizer - Google Patents
A kind of portable earth's surface sand and dust release visualizer Download PDFInfo
- Publication number
- CN205748867U CN205748867U CN201620409904.4U CN201620409904U CN205748867U CN 205748867 U CN205748867 U CN 205748867U CN 201620409904 U CN201620409904 U CN 201620409904U CN 205748867 U CN205748867 U CN 205748867U
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- China
- Prior art keywords
- sand
- dust
- casing
- visualizer
- air intake
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Abstract
The utility model discloses a kind of portable earth's surface sand and dust release visualizer, including casing, air intake equipment, transfer structure and detection equipment, described air intake equipment and described detection equipment are arranged on described casing, described transmission equipment includes conveyer belt, described conveyer belt is parallel with described box bottom, and box bottom has sand and dust mouth.This utility model volume is little, be easily installed, easily operated and cost is relatively low, can be applicable to the complicated landform that those wind-tunnel are difficult to install, can measurement that simultaneously the little granule of table (dust) discharges and the starting rule research of bulky grain (grains of sand), be suitable for the sand and dust ability analyzing and study on different earth's surfaces and physical mechanism accordingly.
Description
Technical field
This utility model relates to wind erosion researcher material manufacturing technology field, earth's surface, and a kind of portable earth's surface sand and dust are released
Put visualizer.
Background technology
Quantitative estimation dust burst size contributes to assessment area atmosphere quality and climatic effect thereof.Can the grains of sand start
Being directly connected to transporting or even the formation of various aeolian landform of the grains of sand, it is also contact dust storm microscopic motion mechanism and macroscopic view
The tie that desert migrates, is also the important physical mechanism causing earth's surface dust release simultaneously.Therefore for the release of earth's surface sand and dust
The important process of research always Related Research Domain.Since the nineties in 20th century, wind-tunnel is widely used in dust storm power
In the researchs such as, Structure of wind-Sand Flow feature and sand and dust release, transmission, it can be with the Field Characteristics of simulation of atmospheric boundary layer.It is
That generally acknowledges at present measures dust burst size and the experimental provision of research grains of sand starting rule.For the ease of the most truly
Carrying out experiment on table, field movable formula wind-tunnel is used by most researcheres.But field movable formula wind-tunnel is heavier, cost relatively
Height and transport inconvenience, can be limited by place when measuring the most in the wild, and experimental period is longer, generally requires in physical features flat
Smooth, and it is easy to the place that personnel install and operate wind-tunnel, this research just started dust release and the grains of sand brings greatly
Inconvenience.
Utility model content
This utility model, for the deficiencies in the prior art, proposes a kind of portable earth's surface sand and dust release visualizer, volume is little,
Be easily installed, easily operated and cost is relatively low, can be applicable to the complicated landform that those wind-tunnel are difficult to install, can simultaneously table
Measurement and the starting rule of bulky grain (grains of sand) that little granule (dust) discharges are studied, and are suitable for analyzing and studying on different earth's surfaces
Sand and dust ability and corresponding physical mechanism.
In order to realize above-mentioned utility model purpose, this utility model offer techniques below scheme:
A kind of portable earth's surface sand and dust release visualizer, including casing, air intake equipment, transfer structure and detection equipment, institute
State air intake equipment and described detection equipment be arranged on described casing,
Described transmission equipment includes conveyer belt, and described conveyer belt is parallel with described box bottom,
Have on box bottom into sand and dust mouth.
Further, described air intake equipment includes blower fan, described assembling at the outer top of described casing, its air outlet with
Described box house connects,
Described detection equipment includes that dust monitoring instrument and mass-flow gas meter, described dust monitoring instrument are arranged on described case
External top, described mass-flow gas meter is arranged between the air outlet of described blower fan and described casing,
It is also equipped with dust-exhausting port at the outer top of described casing.
Further, described air intake equipment also includes that gas distributor, described gas distributor are arranged on described casing top
Portion, described mass-flow gas meter is arranged between described fan outlet and described gas distributor.
Further, described dust-exhausting port is arranged on described casing top, is positioned at the top of described follower rollers.
Further, described air intake equipment is air inlet, and described air inlet is arranged on described casing top, in described air inlet
Air Filter is installed on Kou,
Described detection equipment includes being arranged on the dust monitoring instrument on described casing and optical pickocff, described optical sensing
In device is arranged on described casing, below described transmission band, described optical pickocff and described dust monitoring instrument and computer communication.
Further, being provided with sand net in the front in described conveyer belt direction, described sand net is horizontally disposed with and covers
Cover the space between described conveyor belt ends and described casing.
Further, also include that sand collecting box, described sand collecting box are removably mounted on described casing, are positioned at described transmission
Below front with the lower half direction of motion.
Further, the two ends end face before and after described casing is positioned at the described conveyer belt lower half direction of motion is
Arcwall face, axle center, described arcwall face place horizontally extends.
Further, described casing has two, is provided with vertical demarcation strip between two described casings,
The transfer structure front end of one described casing is provided with the described air intake equipment of sand net and the installation of this casing top
On air inlet, another described casing top air intake equipment, mass-flow gas meter is installed.
A kind of portable earth's surface of this utility model sand and dust release visualizer, has the advantages that
1, this utility model portable earth's surface sand and dust release visualizer instead of traditional field movable formula wind-tunnel, greatly
Provide cost savings；
2, simple in construction, easy to operate, practical, small volume, can quickly carry out field trial, particularly at those
Wind-tunnel is difficult to the complicated landform installed；
3, interior flow field is uniform and stable, both can measure the dust migration velocity on typical case earth's surface, it is thus achieved that the potential dust in earth's surface is released
High-volume directly observe data, the grains of sand starting rule on same earth's surface can be studied again, in order to causing the release of local sand and dust
Physical mechanism be analyzed and study.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that a kind of portable earth's surface described in the utility model sand and dust discharge the third structure scopic；
Fig. 2 be a kind of portable earth's surface described in the utility model sand and dust discharge the conveyer belt of the first structure scopic with
Landscape position relation schematic diagram；
Fig. 3 be a kind of portable earth's surface described in the utility model sand and dust discharge scopic the second structure conveyer belt,
The schematic diagram of position relationship between earth's surface and sand net；
Fig. 4 is that one described in the utility model portable earth's surface sand and dust discharge conveyer belt fortune in scopic the second structure
Velocity gradient schematic diagram between bottom it and ground time dynamic,
Wherein, 131 is the sandy environment being released；132 is the sandy environment on earth's surface；133 is velocity gradient；
Fig. 5 is that one described in the utility model portable earth's surface sand and dust discharge scopic inside top schematic diagram.
Detailed description of the invention
Being described in detail this utility model below in conjunction with the accompanying drawings, the description of this part is only exemplary and explanatory,
Protection domain of the present utility model should there be is not any restriction effect.
One portable earth's surface sand and dust release visualizer as Figure 1-5, including casing, air intake equipment, transfer structure
With detection equipment, air intake equipment and detection equipment is arranged on casing,
The transmission equipment of casing includes that conveyer belt, drive roll and follower rollers, drive roll and follower rollers are parallel and sets
Putting, and the two two ends is connected with two sidewalls of casing respectively, conveyer belt is wrapped in outside drive roll and follower rollers, transmits
Carry parallel with box bottom 17, box bottom 17 has into sand and dust mouth, be provided with outside casing and prolong along entering sand and dust mouth outer
The sealant 21 stretched, this sealant 21 can be canvas strips, discharges extraneous sand and dust interference.Reinforcement can be set on cabinet wall or outer wall
Muscle is to improve stability.Casing both sides can be made with safety glass, it is simple to rises with high-speed motion picture camera shooting dust release and the grains of sand
Emotionally condition.In casing (whole equipment) bottom, four height-adjustable foundation bolts can be installed.Before ensureing stability
Put regulation and transmit the height taking earth's surface to.Visualizer is transported with beach buggy, can earth's surface be quick must carry out field trial different.
Sand collecting box is removably mounted on casing, is positioned at below the front of the conveyer belt lower half direction of motion.Casing position
Two ends end face before and after the direction of motion of conveyer belt lower half is arcwall face, and axle center, arcwall face place is horizontally prolonged
Stretch.
This utility model may be designed to three kinds of structures,
The first structure:
Air intake equipment includes that blower fan 2, blower fan 2 are arranged on the outer top of casing 1, and its air outlet is internal with casing 1 to be connected, at wind
The air inlet of machine 2 be provided with filtration sponge to purify air,
Detection equipment includes dust monitoring instrument 9 and mass-flow gas meter 3, and dust monitoring instrument 9 is arranged on the outer top of casing 1
Portion, mass-flow gas meter 3 is arranged between the air outlet of blower fan 2 and casing 1,
It is also equipped with dust-exhausting port 10 at the outer top of casing 1.
Air intake equipment also includes that gas distributor 5, gas distributor 5 are arranged on casing 1 top, mass-flow gas meter 3
Being arranged between blower fan 2 air outlet and gas distributor 5, gas distributor 5 is connected by flange 4 with mass-flow gas meter 3.
Dust-exhausting port 10 is arranged on casing 1 top, is positioned at the top of follower rollers 11.
When this utility model is the first structure, being used for measuring earth's surface 15 dust burst size, concrete grammar is as follows:
Before experiment starts, first this utility model is placed on smooth plywood, turns by Irving's sensor measurement difference
Wind shear under Su, measurement data is by computer 18 record.
This utility model is placed on surface to be measured, and outside 24V DC source 19 drives drive roll 25 (its rotating speed size
By computer control), and then drive conveyer belt 12 and follower rollers 11 to move.Conveyer belt 12 surface 120 can arrange different
Roughness, and conveyer belt is parallel to the ground.During conveyer belt, bottom it and between ground, there is velocity gradient,
Form shearing force on surface, cause dust to discharge.The gas entering casing 1 from blower fan 2 is sufficiently mixed with dust, casing 1 push up
The dust monitoring instrument in portion measured primary dusts concentration every one second.Mixed gas and dust are discharged by dust-exhausting port 10, and by
Sand collecting box is collected, and this sand collecting box is connected with casing 1 by pipeline.It is internal that experiment " will clean " casing 1 with clean wind before and after starting,
Prevent internal dust interference experiment result.
In experimentation, the final setting value of drive roll 25 rotating speed to divide a few step to reach (4-6 step), and each step continues
About two minutes, finally give the rotating speed in the different earth's surface section period, roughed wind speed, dust concentration, dust migration velocity it
Between relation.
The second structure:
Air intake equipment is air inlet 7, and air inlet 7 is arranged on casing 26 top, is provided with Air Filter 6 on air inlet 7,
Detection equipment includes dust monitoring instrument 8 and the optical pickocff 20 being arranged on casing 26, and optical pickocff 20 is pacified
Be contained on casing 26 inwall, below transmission band 13, optical pickocff 20 and dust monitoring instrument 8 and computer 18 communication, detection sand
Grain starts and granule density, can shoot starting process with high-speed motion picture camera if desired, it is also possible to places pitot tube and measures wind speed.Pass
Send and different roughness can be set with 13 surfaces 130.
Being provided with sand net 23 in the front of conveyer belt 13 direction of motion, sand net 23 is horizontally disposed with covering conveyor belt ends
And the space between casing 26, sand net 23 and drive roll 24 and follower rollers 14 axle center in the same plane, prevent the grains of sand
Enter conveyer belt top.
This utility model the second structure is for studying the starting rule of earth's surface 15 grains of sand.
The third structure:
In this structure, casing has two, respectively casing 1 and casing 26, is provided with therebetween vertical demarcation strip 16,
It is air inlet that the transfer structure front end of casing 26 is provided with the air intake equipment of sand net 23 and the installation of this casing 26 top
7, on the air intake equipment of casing 1 top, mass-flow gas meter 3 is installed.Actually the first structure and the second structure are tied
It is combined.
A kind of portable earth's surface of this utility model sand and dust release visualizer, has the advantages that
1, this utility model portable earth's surface sand and dust release visualizer instead of traditional field movable formula wind-tunnel, greatly
Provide cost savings；
2, simple in construction, easy to operate, practical, small volume, can quickly carry out field trial, particularly at those
Wind-tunnel is difficult to the complicated landform installed；
3, interior flow field is uniform and stable, both can measure the dust migration velocity on typical case earth's surface, it is thus achieved that the potential dust in earth's surface is released
High-volume directly observe data, the grains of sand starting rule on same earth's surface can be studied again, in order to causing the release of local sand and dust
Physical mechanism be analyzed and study.
Claims (9)
1. a portable earth's surface sand and dust release visualizer, it is characterised in that include casing, air intake equipment, transfer structure and inspection
Measurement equipment, described air intake equipment and described detection equipment are arranged on described casing,
Described transmission equipment includes conveyer belt, and described conveyer belt is parallel with described box bottom,
Have on box bottom into sand and dust mouth.
A kind of portable earth's surface the most as claimed in claim 1 sand and dust release visualizer, it is characterised in that described air intake equipment includes
Blower fan, described assembling is at the outer top of described casing, and its air outlet connects with described box house,
Described detection equipment includes that dust monitoring instrument and mass-flow gas meter, described dust monitoring instrument are arranged on outside described casing
Top, described mass-flow gas meter is arranged between the air outlet of described blower fan and described casing,
It is also equipped with dust-exhausting port at the outer top of described casing.
A kind of portable earth's surface the most as claimed in claim 2 sand and dust release visualizer, it is characterised in that described air intake equipment also wraps
Including gas distributor, described gas distributor is arranged on described casing top, and described mass-flow gas meter is arranged on described wind
Between machine air outlet and described gas distributor.
A kind of portable earth's surface the most as claimed in claim 2 sand and dust release visualizer, it is characterised in that described dust-exhausting port is arranged on
Described casing top, it is positioned at the top of follower rollers.
A kind of portable earth's surface the most as claimed in claim 1 sand and dust release visualizer, it is characterised in that described air intake equipment is for entering
QI KOU, described air inlet is arranged on described casing top, is provided with Air Filter on described air inlet,
Described detection equipment includes being arranged on the dust monitoring instrument on described casing and optical pickocff, and described optical pickocff is pacified
In being contained in described casing, below transmission band, described optical pickocff and described dust monitoring instrument and computer communication.
A kind of portable earth's surface the most as claimed in claim 5 sand and dust release visualizer, it is characterised in that in described conveyer belt
The front in direction is provided with sand net, and described sand net is horizontally disposed with between the described conveyor belt ends of covering and described casing
Space.
7. a kind of portable earth's surface sand and dust release visualizer as described in claim 1 to 6 is arbitrary, it is characterised in that also include collection
Sandbox, described sand collecting box is removably mounted on described casing, is positioned under the front of the described conveyer belt lower half direction of motion
Side.
8. a kind of portable earth's surface sand and dust release visualizer as described in claim 1 to 6 is arbitrary, it is characterised in that described casing
It is positioned at the two ends end face before and after the direction of motion of described conveyer belt lower half and is arcwall face, axle center, described arcwall face place
Horizontally extend.
A kind of portable earth's surface the most as claimed in claim 1 sand and dust release visualizer, it is characterised in that described casing has two,
It is provided with vertical demarcation strip between two described casings,
It is air inlet that the transfer structure front end of one described casing is provided with the described air intake equipment of sand net and the installation of this casing top
On mouth, another described casing top air intake equipment, mass-flow gas meter is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409904.4U CN205748867U (en) | 2016-05-09 | 2016-05-09 | A kind of portable earth's surface sand and dust release visualizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409904.4U CN205748867U (en) | 2016-05-09 | 2016-05-09 | A kind of portable earth's surface sand and dust release visualizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205748867U true CN205748867U (en) | 2016-11-30 |
Family
ID=57371267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620409904.4U Expired - Fee Related CN205748867U (en) | 2016-05-09 | 2016-05-09 | A kind of portable earth's surface sand and dust release visualizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205748867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806584A (en) * | 2016-05-09 | 2016-07-27 | 兰州大学 | Portable earth's surface sand-dust release observation instrument |
-
2016
- 2016-05-09 CN CN201620409904.4U patent/CN205748867U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806584A (en) * | 2016-05-09 | 2016-07-27 | 兰州大学 | Portable earth's surface sand-dust release observation instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20190509 |