CN109224715A - Dust generator and culvert type large space dedusting simulation experiment system - Google Patents
Dust generator and culvert type large space dedusting simulation experiment system Download PDFInfo
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- CN109224715A CN109224715A CN201811218600.XA CN201811218600A CN109224715A CN 109224715 A CN109224715 A CN 109224715A CN 201811218600 A CN201811218600 A CN 201811218600A CN 109224715 A CN109224715 A CN 109224715A
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- air inlet
- hair powder
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- 239000000428 dust Substances 0.000 title claims abstract description 183
- 238000004088 simulation Methods 0.000 title claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 54
- 238000010410 dusting Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 238000005507 spraying Methods 0.000 claims description 35
- 239000011148 porous material Substances 0.000 claims description 6
- 239000003595 mist Substances 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000004071 soot Substances 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- 229920002472 Starch Polymers 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000008188 pellet Substances 0.000 description 6
- 239000010802 sludge Substances 0.000 description 6
- 235000019698 starch Nutrition 0.000 description 6
- 239000008107 starch Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 208000019693 Lung disease Diseases 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
Abstract
The present invention relates to dust generator and culvert type large space dedusting simulation experiment systems, dust generator includes the dust bucket for storing template dust, for distributing the hair powder device of template dust and the quantity regulating device that dusts of the concentration of dusting for adjusting the hair powder device, the lower part of the dust bucket is provided with air inlet pipe, the escape pipe for being connected to the hair powder device is provided on the top of the dust bucket, the quantity regulating device that dusts is arranged on the air inlet pipe for connecting the dust bucket or the escape pipe, the air inlet pipe is connected to compressed air gas source device.Dust generator can diffuse to the dust after miniaturization in specific exterior space and form the relatively uniform dust atmosphere of soot density in this way.
Description
Technical field
The present invention relates to a kind of dust generator, the dust generator is used to send dust to particular space
Grain, simulates the dust state in natural environment in the particular space.The invention further relates to applications the dust
The culvert type large space dedusting simulation experiment system of device.
Background technique
It is not available opencast mode since most of ore bed is far from earth's surface in coal mining field, it must
The mode of underground mining must be used.It is formed under earth's surface in needing digging to adopt personnel in depth when underground mining coal mine and excavates coal mine
The ventilation effect of colliery, colliery is generally poor, digs a large amount of dust generated during adopting and is collected in colliery and can not effectively expand
It dissipates, if the dust in gas gathers a certain concentration, it is possible to set off an explosion because of Mars, and suck excessive dust
It will lead to the digging personnel of adopting and suffer from chronic lung disease, such as pneumoconiosis, life expectancy is caused to reduce.In order to optimize the building ring of colliery
Border is reduced harm of the dust to human health and life, is often reduced at present using atomizing de-dusting technology in the colliery of underground
The concentration of dust in air is needed in this way using a large amount of atomising device.It has existed on the market and a variety of can be applied to coal mine
Atomising device in well, but the setting of the selection of atomising device, spray parameters, the setting of position etc. are led to for a long time
It is all often that subjective selection is carried out according to the practical experience of people.It generally requires to carry out multiple debugging at the scene in this way, it is not only numerous
It is trivial also very time-consuming, it is also difficult to reach optimal dust removing effects.And also it is unfavorable for being sprayed atomising device at colliery scene
Dedusting Methods are studied.It to be atomized according to rationally, quickly selecting, being arranged situations such as different processes, the geographical environment of colliery
Device, it is necessary to there is one kind to be capable of air current state, dust state, spraying state and the temperature and humidity state at real simulation colliery scene
Simulation experiment system, can be set in the simulation experiment system kinds of experiments equipment detection soot density, dust removing effects
Deng providing true, accurate data so as to selection, the parameter testing for spraying device.
A kind of bracket spraying dust reduction emulation simulation device for coal mine working surface is proposed in patent CN201010185562.X,
Including emulating blocking test case, the front end of emulation blocking test case is provided with an air intake vent, and rear end is provided with an air outlet；
The wind speed for simulating coal mine work area is provided in the emulation blocking test case, the distinguished and admirable power of pressure condition provides dress
Set, for simulate coal mine work area dust generate situation dust generator, for simulate coal mine work area bracket nozzle spray
The spraying device and detection system of misty condition, distinguished and admirable power supplying apparatus are arranged in air intake vent；Dust generator setting is imitative
The front of true blocking test case, positioned at the rear of air intake vent；It is closed that spraying device and detection system are separately positioned on emulation
The middle part of chamber.The present invention is collected by detection system using emulation blocking test case and is analyzed emulation blocking test
The related data of case provides technical support for the scientific and reasonable installation nozzle of coal mine work area.
Summary of the invention
True simulation Mine Dust environment is one of most important index in simulation experiment system.Patent
The structure of dust generator is not disclosed in detail in CN201010185562.X.In consideration of it, goal of the invention of the invention
One of be directed to a kind of dust generator that can uniformly send out dirt, which is characterized in that including for storing template dust
The amount of dusting of dust bucket, the hair powder device for distributing template dust and the concentration of dusting for adjusting the hair powder device is adjusted
Device is provided with air inlet pipe in the lower part of the dust bucket, and the top of the dust bucket is provided with the connection hair powder device
Escape pipe, the quantity regulating device that dusts is arranged on the air inlet pipe for connecting the dust bucket or the escape pipe, institute
State air inlet pipe connection compressed air gas source device.
Wherein, the lower part of the dust bucket is provided with air inlet pipe, features described above defines the air inlet pipe in the powder
Link position in dust barrel, the air inlet pipe can be the barrel cavity that the dust bucket is connected to across the bottom wall of the dust bucket,
It can also be the barrel cavity that the dust bucket is connected to across the lower part barrel side wall of the dust bucket.In this way, from the compressed air
The compressed gas entered in the dust bucket after compressed air source unit outflow by the air inlet pipe blows from the bottom up, can
Make to reunite and tentatively dissipates in the dust group of the dust bucket bottom and waft upwards.The first order that the above process forms dust group is blown
It dissipates.
Wherein, it is provided on the top of the dust bucket and is connected to the escape pipe of the hair powder device, features described above defines
Link position of the escape pipe in the dust bucket, the escape pipe can be the roof connection institute across the dust bucket
The barrel cavity for stating dust bucket can also be the barrel cavity that the dust bucket is connected to across the top barrel side wall of the dust bucket.This
Sample, being dispelled by air-flow and be blown into the dust particles on the dust bucket top or starch sludge pellet has relatively slim and graceful quality, energy
It enough continues up and wafts and enter in the escape pipe.When long such as 1m, 2m or longer are arranged to obtain in the escape pipe
In the case of, it is further diverged to small during dust group flows away in the escape pipe by lasting promotion, the impact of air-flow
The dust particles or starch sludge pellet of volume.The second level that the above process forms dust group dispels.
According to the above technical scheme, compared with prior art, the advantageous effects of dust generator of the present invention are:
Due to being provided with air inlet pipe in the lower part of the dust bucket, the top of the dust bucket is provided with the connection hair powder device
Escape pipe, in this way, successively the first order that is formed in the dust bucket of experience dispels, and be formed in the escape pipe the
Second level dispels, and original big dust group reunited together will be dispelled starch sludge pellet for dust particles or relatively smaller volume.It is fine
Dust after change be more convenient in the sky free diffusing to be conducive in specific exterior space formed soot density it is relatively uniform
Dust atmosphere.
In order to further miniaturize dust, further technical solution be also possible that the hair powder device include with
The dust nozzle of the escape pipe connection is set with the guiding tube of the dust nozzle and is connected the hair powder buffering of the guiding tube
Box, the guiding tube extend in the hair powder buffer pocket, are provided at least one sidewall bodies of the hair powder buffer pocket
The pore that dust can be allowed to overflow.Wherein, the dust nozzle can be improved from the escape pipe and be transported to the hair powder buffering
The flow velocity of dust in box, so that dust strikes the impact force generated in the box wall of the hair powder buffer pocket and whereby fiercely
Further dispersing and disintegrating rebounds after rear dust and is diffused in exterior space by the pore.In addition, the guiding tube can manage
System and collection are just ejected into the dust in the hair powder buffer pocket from the dust nozzle, avoid ejecting from the dust nozzle
The dust come is blown at random to disperse.
Further technical solution, which is also possible that, is evenly equipped with 2 or more air inlets in the lower part of the dust bucket, described
Air inlet pipe separates several branch pipes and is connected respectively to the air inlet.In this way, being conducive to form big face in the lower part of the dust bucket
The equally distributed air-flow of product, and then dust can be blowed in large area, as far as possible being collected at the dust of the dust bucket lower part all
It is blown up, reduces the formation for blowing blind area.
Further technical solution is also possible that the quantity regulating device that dusts is pressure regulator valve or flow control valve.
The present invention also proposes a kind of culvert type large space dedusting simulation experiment system, which is characterized in that wants including having the right
1 to 4 any dust generators are sought, further include having duct, air blower, the air outlet of the air blower is connected to the culvert
Road front end air inlet is used to have to the duct rear end in the duct to the duct front position air blast so as to allow
The air-flow of flowing；The hair powder device is arranged in the duct, and Water spraying device, 5 or more are additionally provided in the duct
Dust concentration sampler and 3 or more temperature and humidity testers, 5 or more the dust concentration samplers be arranged in institute
The direction arranged for interval stating the central area of duct and extending respectively along the duct, 3 or more the temperature and humidity testers
The direction arranged for interval that the side area of the duct is set and is extended respectively along the duct, wherein the dust occurs
Device is between duct front end air inlet and the Water spraying device, and in the dust generator and the water spray
1 dust concentration sampler and 1 temperature and humidity tester, remaining described powder are at least set between mist device
Dust concentration sampler and the temperature and humidity tester are arranged in the duct after the Water spraying device.
According to the above technical scheme, compared with prior art, culvert type large space dedusting simulation experiment system of the invention
Advantageous effects be: due to the hair powder device be located at duct front end air inlet and the Water spraying device it
Between, so equally distributed dust can be provided for the culvert type large space by the hair powder device, dust is by described
The air-flow that air blower blows out further spreads in the culvert type large space and simulates Mine Dust environment.In addition,
Pass through the powder being arranged in the duct between the hair powder device and the Water spraying device and after the Water spraying device
Dust concentration sampler, temperature and humidity tester measure temperature and humidity, dust concentration at different acquisition point, can calculate dust removal efficiency,
Temperature and humidity variation, consequently facilitating providing true, accurate data accordingly for selection, the parameter testing of the Water spraying device.
Further technical solution is also possible that the driving power of the air blower includes frequency converter, the frequency converter
Multistage adjusting is carried out for the discharge pressure of fan to the air blower.
Further technical solution be also possible that the compressed air gas source device include air compressor machine and with the pneumatics
The air accumulator of machine connection, the air accumulator are not only connected to the air inlet pipe of the dust bucket lower part but also the connection atomized water spray dress
It sets；Wherein water can be become water mist under the drive of compressed air by the Water spraying device.In this way, the air accumulator can divide
Compressed air is not provided for the dust bucket and the Water spraying device.
Further technical solution is also possible that further include central controller, and the central controller includes for controlling
The dust generator, air blower, Water spraying device, dust concentration sampler and temperature and humidity tester work and will be supervised
The data of control are stored, shown and are exported.
Detailed description of the invention
Fig. 1 is the principle schematic diagram using the dust generator 100 of technical solution of the present invention；
Fig. 2 is the stereochemical structure principle signal using the culvert type large space dedusting simulation experiment system of technical solution of the present invention
Figure；
Fig. 3 is the principle schematic diagram of the overlook direction of the culvert type large space dedusting simulation experiment system.
Specific embodiment
The dust generator and culvert type large space dedusting of application technical solution of the present invention are simulated with reference to the accompanying drawing
The structure of pilot system is further described.
As shown in Figure 1, the present invention proposes a kind of dust generator 100, including the dust bucket for storing template dust
1, the amount of dusting of the concentration of dusting for distributing the hair powder device 2 of template dust and for adjusting the hair powder device 2 adjusts dress
Set 32.The escape pipe 4 for being connected to the hair powder device 2 is provided on the roof of the dust bucket 1.At the bottom of the dust bucket 1
Wall is evenly equipped with 4 air inlets 310, and one end of air inlet pipe 3 separates 4 branch pipes 31 and is connected respectively to the air inlet 310, it is described into
The other end of tracheae 3 is connected to compressed air gas source device 8.In this way, being conducive to equal in the lower part of the dust bucket 1 formation large area
The air-flow of even distribution, and then dust can be blowed in large area, as far as possible be collected at 1 lower part of dust bucket dust it is all upward
It blows, reduces the formation for blowing blind area.The air inlet pipe for connecting the dust bucket 1 is arranged in the quantity regulating device 32 that dusts
On 3.The quantity regulating device 32 that dusts is pressure regulator valve or flow control valve.Certainly in other implementations, the outlet
Between pipe 4, the air inlet pipe 3 and the dust bucket 1 institute can be passed through using other connection types, such as the escape pipe 4
The top barrel side wall for stating dust bucket 1 is connected to the barrel cavity of the dust bucket 1.It is arranged 2 on the lower part barrel side wall of the dust bucket 1
The air inlet of a, 3 or 4 etc. 2 or more, the air inlet pipe 3 are connected to the air inlet.In addition, the amount of dusting in described
Regulating device 32 also can choose on the setting escape pipe 4.
When the dust generator 100 works hair powder, by described after the compressed air gas source device 8 outflow
The compressed gas that air inlet pipe 3 enters in the dust bucket 1 blows from the bottom up, can make to reunite in the dust bucket 1
The dust group of bottom is preliminary to be dissipated and wafts upwards.The first order that the above process forms dust group dispels.It is dispelled after rear by air-flow
And the dust particles or starch sludge pellet for being blown into 1 top of dust bucket can continue to float upwards with relatively slim and graceful quality
It send and enters in the escape pipe 4.When be arranged in the escape pipe 4 in long such as 1m, 2m or longer situation, dust
During flowing away in the escape pipe 4 by the lasting promotion of air-flow, impact and further diverge to the dust of smaller volume
Particle or starch sludge pellet.The second level that the above process forms dust group dispels.In this way, successively experience is formed in the dust bucket 1
The second level that the interior first order dispelled and be formed in the escape pipe 4 dispels, and original big dust group reunited together will be by
Dispel the starch sludge pellet for dust particles or relatively smaller volume.Dust after miniaturization be more convenient in the sky free diffusing so as to
It is enough that the relatively uniform dust atmosphere of soot density is formed in specific exterior space.
As shown in Figure 1, the hair powder device 2 includes the dust nozzle 21 connecting with the escape pipe 4, it is set with the dust
The guiding tube 22 of nozzle 21 and the hair powder buffer pocket 23 for being connected the guiding tube 22, it is slow that the guiding tube 22 extends to the hair powder
It rushes in box 23, the pore 230 that dust can be allowed to overflow is provided on the top side wall body of the hair powder buffer pocket 23.Certainly at it
In his embodiment, the pore 230 can also be arranged on the box side wall of the hair powder buffer pocket 23.Wherein, the powder
Dirt nozzle 21 can be improved the flow velocity for the dust being transported in the hair powder buffer pocket 23 from the escape pipe 4, so that dust is violent
The further dispersing and disintegrating of impact force for striking in the box wall of the hair powder buffer pocket 23 and generating whereby strongly, it is anti-after rear dust
Bullet is diffused in exterior space by the pore 230.In addition, the guiding tube 22 can control and collect from the dust spray
The dust that mouth 21 ejects, avoid just from the dust that the dust nozzle 21 ejects in the hair powder buffer pocket 23 nothing
It regularly blows and disperses.For the ease of detecting the barometric information of the hair powder device 2, it is additionally provided with the connection dust nozzle 21
Air gauge 24.
As shown in Figures 2 and 3, the present invention also proposes a kind of culvert type large space dedusting simulation experiment system, includes the powder
Dirt generating device 100, duct 5, air blower 51, the air outlet of the air blower 51 are connected to the 5 front end air inlet of duct and use
In so as to allow there is the air-flow flowed to 5 rear end of duct in the duct 5 to the 5 front position air blast of duct.
The hair powder device 2 of the dust generator 100 is arranged in the duct 5, is additionally provided with Water spraying device in the duct 5
6,5 dust concentration sampler 71 and 5 temperature and humidity tester 7, the 5 dust concentration samplers 71 are arranged in the culvert
The central area in road 5 and the direction arranged for interval extended respectively along the duct 5,5 temperature and humidity testers 7 are arranged in institute
The direction arranged for interval stating the side area of duct 5 and extending respectively along the duct 5, wherein the hair powder device 2 is located at
Between the 5 front end air inlet of duct and the Water spraying device 6, and the hair powder device 2 and the Water spraying device 6 it
Between be arranged 1 dust concentration sampler 71 and 1 temperature and humidity tester 7, remaining described dust concentration sampler
The 71a and temperature and humidity tester 7a is arranged in the duct 5 after the Water spraying device 6 (in order to distinguish, being arranged in
State the dust concentration sampler 71 in the duct 5 after Water spraying device 6, temperature and humidity tester 7 is respectively labeled as dust concentration
Sampler 71a, temperature and humidity tester 7a).In actual setting, the powder that is arranged in the duct 5 after the Water spraying device 6
Dust concentration sampler 71, temperature and humidity tester 7 quantity can suitably adjust, such as the dust concentration sampler 71 is set
6,7 etc. 5 or more are set to, the temperature and humidity tester 7 is set as 3,4 etc. 3 or more.
According to the above technical scheme, it can be found that: due to the hair powder device 2 be located at the 5 front end air inlet of duct with
Between the Water spraying device 6, it can so be provided and be uniformly distributed for the 5 formula large space of duct by the hair powder device 2
Dust, the air-flow that dust blows out by the air blower 51 further spreads and mould in the 5 formula large space of duct
Draw up Mine Dust environment.In addition, by being arranged between the hair powder device 2 and the Water spraying device 6 and the spray
The dust concentration sampler 71 in duct 5 after spray device 6, temperature and humidity tester 7 measure the temperature at different acquisition point
Humidity, dust concentration can calculate dust removal efficiency, temperature and humidity variation, consequently facilitating be accordingly the selection of the Water spraying device 6,
Parameter testing provides true, accurate data.
Further, the driving power of the air blower 51 includes frequency converter, and the frequency converter is used for the air blast
The discharge pressure of fan of machine 51 carries out multistage adjusting.
Further, compressed air gas source device 8 includes air compressor machine 81 and the air accumulator connecting with the air compressor machine 81
82, the air accumulator 82 is not only connected to the air inlet pipe 3 of 1 lower part of dust bucket but also the connection Water spraying device 6；Wherein institute
Water mist can be become for water under the drive of compressed air by stating Water spraying device 6.In this way, the air accumulator 82 can be respectively institute
It states dust bucket 1 and the Water spraying device 6 provides compressed air.
It further, further include central controller 9, the central controller 9 includes that the dust fills for controlling
It sets the work of 100, air blower 51, Water spraying device 6, dust concentration sampler 71 and temperature and humidity tester 7 and will be monitored
Data are stored, shown and are exported.
Claims (8)
1. dust generator, which is characterized in that including for storing template dust dust bucket, for distributing template dust
The quantity regulating device that dusts of hair powder device and the concentration of dusting for adjusting the hair powder device is set in the lower part of the dust bucket
It is equipped with air inlet pipe, the escape pipe for being connected to the hair powder device is provided on the top of the dust bucket, the amount of dusting adjusts dress
It installs in the air inlet pipe or the escape pipe for connecting the dust bucket, the air inlet pipe connection compressed air gas source dress
It sets.
2. dust generator according to claim 1, which is characterized in that the hair powder device includes and the escape pipe
The dust nozzle of connection is set with the guiding tube of the dust nozzle and is connected the hair powder buffer pocket of the guiding tube, the guidance
Pipe extends in the hair powder buffer pocket, and being provided at least one sidewall bodies of the hair powder buffer pocket can allow dust to overflow
Pore out.
3. dust generator according to claim 1, which is characterized in that be evenly equipped with 2 in the lower part of the dust bucket
Above air inlet, the air inlet pipe separate several branch pipes and are connected respectively to the air inlet.
4. dust generator according to claim 1, which is characterized in that the quantity regulating device that dusts be pressure regulator valve or
Flow control valve.
5. a kind of culvert type large space dedusting simulation experiment system, which is characterized in that include that claims 1 to 4 is any described
Dust generator further includes having duct, air blower, and the air outlet of the air blower is connected to duct front end air inlet use
In so as to allow there is the air-flow flowed to the duct rear end in the duct to the duct front position air blast；It is described
Hair powder device is arranged in the duct, and the dust concentration sampler of Water spraying device, 5 or more is additionally provided in the duct
With 3 or more temperature and humidity testers, the central area of the duct is arranged in 5 or more the dust concentration samplers
And the duct is arranged in the direction arranged for interval extended respectively along the duct, 3 or more the temperature and humidity testers
Side area and the direction arranged for interval extended respectively along the duct, wherein the hair powder device is located at the duct front end
Between air inlet and the Water spraying device, and 1 institute is at least set between the hair powder device and the Water spraying device
The temperature and humidity tester of dust concentration sampler and 1 are stated, remaining dust concentration sampler and the temperature and humidity
Detector is arranged in the duct after the Water spraying device.
6. a kind of culvert type large space dedusting simulation experiment system according to claim 5, which is characterized in that the air blast
The driving power of machine includes frequency converter, and the frequency converter is used to carry out multistage adjusting to the discharge pressure of fan of the air blower.
7. a kind of culvert type large space dedusting simulation experiment system according to claim 5, which is characterized in that the compression
Air compressed air source unit includes air compressor machine and the air accumulator that connect with the air compressor machine, and the air accumulator is not only connected to the dust
The air inlet pipe and the connection Water spraying device of bucket lower part；Wherein the Water spraying device can be under the drive of compressed air
Water is become into water mist.
8. a kind of culvert type large space dedusting simulation experiment system according to claim 5, which is characterized in that in further including
Controller is entreated, the central controller is dense including the dust generator, air blower, Water spraying device, dust for controlling
The data monitored are simultaneously stored, shown and are exported by the work of degree sampler and temperature and humidity tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811218600.XA CN109224715A (en) | 2018-10-19 | 2018-10-19 | Dust generator and culvert type large space dedusting simulation experiment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811218600.XA CN109224715A (en) | 2018-10-19 | 2018-10-19 | Dust generator and culvert type large space dedusting simulation experiment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018088A (en) * | 2019-03-05 | 2019-07-16 | 中国矿业大学 | A kind of opencut dust dirt environment simulation test system and method |
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