CN218726836U - Improved coal dust explosiveness experiment device - Google Patents
Improved coal dust explosiveness experiment device Download PDFInfo
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- CN218726836U CN218726836U CN202222898736.8U CN202222898736U CN218726836U CN 218726836 U CN218726836 U CN 218726836U CN 202222898736 U CN202222898736 U CN 202222898736U CN 218726836 U CN218726836 U CN 218726836U
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- 239000002817 coal dust Substances 0.000 title claims abstract description 56
- 238000002474 experimental method Methods 0.000 title claims abstract description 32
- 239000011521 glass Substances 0.000 claims abstract description 45
- 238000004880 explosion Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims description 11
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 25
- 239000000428 dust Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 206010035148 Plague Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model provides an improved coal dust explosiveness experiment device, which comprises a glass tube, a dust collecting tube and a dust collecting tube, wherein the glass tube is positioned at the upper part of the whole experiment device; a backlight plate positioned at the upper part of the glass tube; the right-angle tube is positioned on the left side of the glass tube and is connected with the glass tube; the plastic cover is positioned on the left side of the right-angle pipe; the flow disturbing brush can extend into the glass tube and is used for wiping off coal dust on the inner wall of the glass tube after the experiment; and the built-in camera is positioned in the experimental device and is used for shooting the whole experimental process. The coal dust explosiveness experimental device has the advantages of simple structure, strong reliability, convenient observation, convenient operation, intuition, rapidness and good effect, simplifies the experimental process, and accelerates the determination speed of coal dust explosion of the coal sample; the utility model discloses can the different gas explosion concentrations of quantitative research, and whether arouse the coal dust secondary explosion to gas explosion and discern more easily, it is more directly perceived as a result, system operation is simple high-efficient, the facilitate promotion.
Description
Technical Field
The utility model relates to a mining coal sample check out test set's technical field especially relates to a modified coal dust explosiveness experimental apparatus.
Background
China is a big coal-producing country, and has found that the area of coal is about 5.5 kilo square kilometers, the coal content is about 11.1 percent of the world coal resources, and the third place in the world. However, most of coal mines in China are deep-well coal mines, so that the yield is high and a plurality of problems exist. The coal dust problem is one of disasters which plague coal systems for a long time, and the generation of the coal dust exists in each link of production, transportation and the like of coal. In the coal mining process, gas in a coal seam in a free state or an adsorption state is released into a mining space, gas explosion accidents can happen when the volume fraction of the gas reaches the explosion concentration and meets an ignition source, and blast waves generated by explosion can continuously suck coal dust deposited around a roadway to form a combustible coal dust cloud belt. Gas and coal dust explosion accidents can cause triple damages of high-pressure shock waves, high-temperature flame burning and high-concentration toxic and harmful gases to the surrounding environment, and industrial safety production is severely restricted, so that the promotion of the development of gas and coal dust explosion accident disaster prevention and control technology has important practical significance for guaranteeing coal mine safety production and promoting clean energy safety utilization.
SUMMERY OF THE UTILITY MODEL
To the not enough among the above-mentioned prior art, the utility model aims to solve the technical problem that a modified coal dust explosiveness experiment device is provided, its simple structure, reliability are high, by computer automatic control experimentation, the automatic flame length that reads shows, preserves the flame image, and simple structure, reliability are high, have simplified the experimentation for the survey speed of coal sample, and the long service life of device.
In order to achieve the purpose, the utility model provides an improved coal dust explosiveness experiment device, which comprises a glass tube, a dust tube and a dust tube, wherein the glass tube is positioned at the upper part of the whole experiment device; a backlight plate positioned at the upper part of the glass tube; the right-angle tube is positioned on the left side of the glass tube and is connected with the glass tube; the plastic cover is positioned on the left side of the right-angle pipe; the flow disturbing brush can extend into the glass tube and is used for erasing coal dust on the inner wall of the glass tube after the experiment; and the built-in camera is positioned in the experimental device and is used for shooting the whole experimental process.
Optionally, the glass tube is made of high-strength tempered glass and is used in a reaction site of a coal dust explosion test.
Furthermore, the backlight plate is arranged in a dark color and used as a background of flame, so that the observation is facilitated.
Preferably, the right-angle tube is of a three-way structure, and the plastic cover behind the right-angle tube is pulled out after the experiment is finished, so that coal dust attached to the inner wall of the glass tube can be conveniently wiped off by the turbulent flow brush.
Preferably, the plastic cover can be pulled out after the experiment is finished, so that coal dust on the inner wall of the glass tube can be conveniently wiped off by the turbulent flow brush.
Optionally, the turbulence brush is composed of a plurality of fine hairs and is used for wiping off coal dust on the inner wall of the glass tube after the experiment is finished.
By last, the utility model discloses an improved coal dust explosiveness experiment device has following effect at least:
the coal dust explosiveness experiment device has the advantages of simple structure, strong reliability, convenient observation, convenient operation, intuition, rapidness and good effect, simplifies the experiment process, and accelerates the determination speed of coal sample coal dust explosion; the utility model discloses can the different gas explosion concentrations of quantitative research, and whether arouse the coal dust secondary explosion to gas explosion and discern more easily, it is more directly perceived as a result, system operation is simple high-efficient, the facilitate promotion.
The utility model discloses a coal dust explosiveness experimental apparatus application scope is wide, not only is applicable to and exploits the seam and carries out the coal dust explosiveness appraisal with the geological exploration coal seam, also uses in departments such as metallurgy, geology, teaching and scientific research to survey the explosiveness of various coal samples.
Drawings
Fig. 1 is a schematic structural diagram of the front side of the coal dust explosiveness testing apparatus of the present invention;
fig. 2 is a schematic structural diagram of a side surface of the coal dust explosiveness testing apparatus of the present invention;
fig. 3 is a schematic structural diagram of the rear side of the coal dust explosiveness testing apparatus of the present invention.
Detailed Description
The improved experimental apparatus for coal dust explosiveness of the present invention will be described in detail with reference to fig. 1 to 3.
The utility model discloses a modified coal dust explosiveness experiment device includes: the device comprises a glass tube 1, a backlight plate 2, a right-angle tube 3, a plastic cover 4, a turbulence brush 5 and a built-in camera 6, wherein the glass tube 1 is positioned at the upper part of the whole experimental device, and the backlight plate 2 is positioned at the upper part of the glass tube 1; the right-angle tube 3 is positioned at the left side of the glass tube 1 and is connected with the glass tube 1; the plastic cover 4 is positioned at the left side of the right-angle pipe 3; the flow disturbing brush 5 can extend into the glass tube 1 and is used for erasing coal dust on the inner wall of the glass tube 1 after the experiment.
The glass tube 1 is made of high-strength toughened glass and is used in a reaction site of a coal dust explosion test.
The backlight plate 2 is dark and can be used as the background of flame, so that the observation is convenient.
The right-angle tube 3 is improved into a tee joint, and the plastic cover 4 behind the right-angle tube can be pulled out after the experiment is finished, so that coal dust attached to the inner wall of the glass tube 1 can be conveniently wiped off by the turbulence brush.
The plastic cover 4 can be pulled out after the experiment is finished, so that coal dust on the inner wall of the glass tube can be conveniently wiped off by the turbulent flow brush.
The turbulence brush 5 consists of a plurality of fine hairs and is used for wiping off coal dust on the inner wall of the glass tube after the experiment is finished.
Specifically, when the turbulence brush 5 is used for cleaning coal dust, when the dust collector in the experimental device is opened, the turbulence brush 5 is stretched into the glass tube, so that the flow velocity of air is increased when the air flows through two sides of the turbulence brush 5, and the coal dust can flow out conveniently.
The built-in camera 6 is positioned in the experimental device, and can clearly shoot the whole experimental process.
Specifically, the built-in camera 6 is positioned inside the experimental device, and the traditional camera for shooting the coal dust explosion experimental process is positioned outside the experimental device, so that the occupied space is large, and the attractiveness is influenced; the camera is arranged in the experimental device through improvement, so that the phenomenon that the shot picture is not clear due to dust falling and further experimental errors are caused can be effectively avoided; the shooting process is reflected through the embedded glass board light of board in a poor light, and the shooting distance increases 2 times, and the camera is far away from the glass pipe, reduces the deformation for the shooting result is difficult to the distortion.
The utility model discloses a modified coal dust explosiveness experiment device's application method, including following step:
step one, turning on a power supply of a host machine, and starting an air pump to work; turning on the power supply of the industrial computer, starting the software, displaying the heating pipe image by the monitoring window at the moment, clicking a menu item of 'newly building a coal sample' or 'opening the coal sample', inputting the number and related information of the coal sample, and clicking 'determining';
step two, when the pressure of the air pump is stable and in a standby state, adjusting a pressure regulating knob to enable the reading to be stable at 5 (namely 0.05 MPa);
step three, weighing 1g of identification coal sample (with the precision of 0.1 g) by using a 0.1g sensing balance, putting the identification coal sample into a sample tube, gathering the coal sample at the tail end of the sample tube, and inserting a bent tube;
clicking a 'measuring' button, inputting 'rock dust amount', starting measuring the flame length, and electrifying the heater to heat to 1100 when the indicating flow number gradually rises from 0;
step five, when the temperature rises to 1100 ℃, pressure is automatically released, coal dust is released, and a coal sample is sprayed into the glass tube 1 to form coal dust cloud and enable the coal dust to deflagrate;
step six, the flame capturing device is automatically started at the same time, the flame front is captured, a flame front image is generated through data processing and stored in a window of a flame identification area, a mouse pointer is placed on a window below the flame front image, a coordinate line and an I-shaped cursor are displayed in the window, a mouse is clicked in a red area on the side with the longest flame for confirmation, and the flame length is automatically identified and stored in a window of a data management area;
step seven, immediately automatically starting dust removal to remove floating dust and soot in the glass tube 1; after the experiment, coal dust on the inner wall of the glass tube 1 is further wiped clean by the turbulence brush 5;
step eight, repeating the experiment according to the step three to the step seven, determining whether rock powder is added into the coal sample according to the requirement, continuing the experiment, automatically adding 1 piece of data in a data window after the experiment is finished each time, and referring to the relevant standard for the experiment times and the rock powder amount;
and step nine, automatically storing the original data and the flame identification data in an appointed catalogue.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. An improved coal dust explosiveness experiment device, which is characterized by comprising:
the glass tube is positioned at the upper part of the whole experimental device;
a backlight plate positioned at the upper part of the glass tube;
the right-angle tube is positioned on the left side of the glass tube and is connected with the glass tube;
the plastic cover is positioned on the left side of the right-angle pipe;
the flow disturbing brush can extend into the glass tube and is used for erasing coal dust on the inner wall of the glass tube after the experiment;
and the built-in camera is positioned in the experimental device and is used for shooting the whole experimental process.
2. The improved coal dust explosiveness test device as recited in claim 1, wherein the glass tube is made of high-strength tempered glass and is used as a reaction site for coal dust explosion tests.
3. The improved coal dust explosiveness experiment device as claimed in claim 1, wherein the backlight plate is dark and is used as a background of flame for easy observation.
4. The improved coal dust explosiveness experiment device as claimed in claim 1, wherein the right-angle tube is of a three-way structure, and after the experiment is finished, the plastic cover behind the right-angle tube is pulled out, so that coal dust attached to the inner wall of the glass tube can be wiped off by the turbulence brush.
5. The improved coal dust explosiveness test device as claimed in claim 1 or 4, wherein the plastic cover can be pulled out after the test is finished, so as to facilitate the scraping of coal dust on the inner wall of the glass tube by using a turbulent flow brush.
6. The improved coal dust explosiveness test device as claimed in claim 1, wherein the turbulence brush is composed of a plurality of fine bristles and is used for wiping off coal dust on the inner wall of the glass tube after the experiment is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222898736.8U CN218726836U (en) | 2022-11-01 | 2022-11-01 | Improved coal dust explosiveness experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222898736.8U CN218726836U (en) | 2022-11-01 | 2022-11-01 | Improved coal dust explosiveness experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218726836U true CN218726836U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222898736.8U Active CN218726836U (en) | 2022-11-01 | 2022-11-01 | Improved coal dust explosiveness experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218726836U (en) |
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2022
- 2022-11-01 CN CN202222898736.8U patent/CN218726836U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231208 Address after: No. 52-2 Xinggong Road, Xihe District, Fuxin City, Liaoning Province, 123008 Patentee after: Liaoning Tonghe Mining Technology Co.,Ltd. Address before: Fuxin City, Liaoning Province, China Road 123000 Xihe District No. 47 Patentee before: LIAONING TECHNICAL University |
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| TR01 | Transfer of patent right |