CN114544440B - Cutting dust generation experimental system and cutting dust generation monitoring method thereof - Google Patents
Cutting dust generation experimental system and cutting dust generation monitoring method thereof Download PDFInfo
- Publication number
- CN114544440B CN114544440B CN202210161075.2A CN202210161075A CN114544440B CN 114544440 B CN114544440 B CN 114544440B CN 202210161075 A CN202210161075 A CN 202210161075A CN 114544440 B CN114544440 B CN 114544440B
- Authority
- CN
- China
- Prior art keywords
- module
- dust
- cutting
- cover body
- experiment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 116
- 238000005520 cutting process Methods 0.000 title claims abstract description 84
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000003245 coal Substances 0.000 claims abstract description 44
- 238000002474 experimental method Methods 0.000 claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model belongs to the technical field of dust production, and discloses a cutting dust production experimental system and a cutting dust production monitoring method thereof, comprising the following steps: the experiment platform is provided with an experiment cover body, the cutting module is positioned in the experiment platform in the experiment cover body, and the cutting module is arranged on the sliding mechanism; the coal body loading module is used for loading coal blocks; a dust collection module; the dynamic trapping module is used for monitoring dust in the dust production process of the cut coal blocks; the control module comprises a controller, and the controller is electrically connected with the dynamic trapping module and the cutting module; the overall design of the cutting module, the coal loading module, the dust collecting module and the dynamic trapping module forms an experimental system which accords with the actual cutting rule, so that the space-time rule of the cutting dust production is obtained.
Description
Technical Field
The disclosure belongs to the technical field of dust production, and particularly relates to a cutting dust production experimental system and a cutting dust production monitoring method.
Background
With the large-scale application of dust-producing machines, the mechanization degree of the cutting process is increased. The problems of poor operation of equipment, severe production operation environment, increased pneumoconiosis of workers and the like are derived from the increase of dust amount caused by the increase of exploitation strength. At the present stage, the problems of unclear cutting dust production rule, dust prevention and the like still need to be solved.
Disclosure of Invention
Aiming at the defects of the prior art, the purpose of the disclosure is to provide a cutting dust generation experiment system and a cutting dust generation monitoring method thereof, which solve the problem of unclear cutting dust generation rule in the prior art.
The purpose of the disclosure can be achieved by the following technical scheme:
a cutting dust generation experiment system, comprising: the experiment platform is provided with an experiment cover body, the cutting module is positioned in the experiment platform in the experiment cover body, and the cutting module is arranged on the sliding mechanism;
the coal body loading module is used for loading coal blocks;
the dust collecting module is used for collecting dust and scraps generated by cutting coal blocks;
the dynamic trapping module is positioned at one side of the experimental cover body and is used for monitoring dust in the dust production process of the cut coal blocks;
the control module comprises a controller, and the controller is electrically connected with the dynamic trapping module and the cutting module; the controller is used for monitoring or controlling the cutting strength of the cutting module; and the controller monitors the monitoring data of the dynamic trapping module.
Further, the sliding mechanism comprises a sliding group, the sliding group is positioned on an experiment platform in the experiment cover body, the sliding group comprises a first sliding rail and a second sliding rail, and the first sliding rail and the second sliding rail are arranged in parallel;
the cutting module is installed on the first sliding rail and the second sliding rail and moves along the first sliding rail and the second sliding rail.
Further, the coal body loading module includes a collet.
Further, the coal body loading module comprises an adsorption head.
Further, the dust collection module comprises a dust collection cover and a dust collection tray, wherein the dust collection cover is positioned at the top end of the experiment cover body, and the dust collection tray is positioned at the bottom end of the experiment cover body.
Further, the dynamic trapping module comprises a camera, an exposure lamp and a dust sensor, wherein the camera is used for capturing and observing dust generated in the dust generation process of the cut coal block, and the exposure lamp is used for improving the capturing image quality effect of the camera; the dust sensor is arranged on the experimental cover body and is used for detecting the dust concentration at the appointed position of the experimental cover body.
Further, the cutting dust production monitoring method of the cutting dust production experiment system comprises the following steps:
putting the pretreated coal body into the coal body loading module;
adjusting the dynamic trapping module to prepare shooting;
when the cutting module and the coal loading module keep horizontal and start cutting, starting the dust collecting module and clicking a shooting button to start recording;
cutting the video of the dust-producing process of the camera on a computer in real time, properly selecting a certain dynamic trapping time, clicking to stop shooting and storing the video to the computer;
after cutting is completed, dust is collected through the dust collecting module; and processing and analyzing the dust collected by the dust collecting module.
The beneficial effects of the present disclosure are:
the overall design of the cutting module, the coal loading module, the dust collecting module and the dynamic trapping module forms an experimental system which accords with the actual cutting rule, so that the space-time rule of the cutting dust production is obtained.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described, and it will be apparent to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic overall structure of an embodiment of the present disclosure.
Detailed Description
The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments in this disclosure without inventive faculty, are intended to fall within the scope of this disclosure.
As shown in fig. 1, the cutting dust-producing experimental system comprises an experimental platform 1, wherein an experimental cover body 2 is arranged on the experimental platform 1, a cutting module 3 is positioned in the experimental platform 1 in the experimental cover body 2, and the cutting module 3 is arranged on a sliding mechanism;
the sliding mechanism comprises a sliding group, the sliding group is positioned on the experiment platform 1 in the experiment cover body 2, the sliding group comprises a first sliding rail 41 and a second sliding rail 42, and the first sliding rail 41 and the second sliding rail 42 are arranged in parallel;
the cutting module 3 is mounted on the first slide rail 41 and the second slide rail 42, and moves along the first slide rail 41 and the second slide rail 42; the cutting module 3 is in the prior art, such as a motor with a cutting wheel, and the cutting module 3 is formed by the motor, and the motor drives the cutting wheel to rotate, so that the cutting wheel is rotated.
The coal body loading module 5 is used for loading coal blocks; the coal body loading module 5 comprises a chuck, and one end of the coal block is clamped by the chuck to fix the coal block; or in some embodiments, for example, the coal loading module 5 comprises an adsorption head, and one end of the coal block is adsorbed by the adsorption head to fix the coal block; in use, the cutting module 3 moves along the first and second slide rails 41, 42 to the coal loading module 5 to cut the coal on the coal loading module 5, as described above with the cutting wheel.
In the application, the dust collecting device comprises a dust collecting module 6, wherein the dust collecting module 6 is used for collecting dust and scraps generated by cutting coal blocks; as in the present application, the dust collection module 6 includes a dust collection cover 61 and a dust collection tray 62, the dust collection cover 61 is positioned at the top end of the experiment housing 2, and the dust collection tray 62 is positioned at the bottom end of the experiment housing 2; when the dust collector is used, the dust collection cover 61 is used for absorbing dust generated by cutting coal blocks, and the dust collection tray 62 is used for receiving the dust generated by cutting coal blocks, so that the dust and the dust amount generated in the process of observing the cutting coal blocks are convenient; for the installation mode of the dust collecting tray 62, the dust collecting tray 62 can be installed at the lower end of the experiment cover body 2 in a drawing mode, the experiment cover body 2 is provided with drawing holes, and the dust collecting tray 62 is inserted into the drawing holes.
In the application, the device comprises a dynamic trapping module 7, wherein the dynamic trapping module 7 is positioned on one side of the experiment cover body 2, and the dynamic trapping module 7 is used for observing a dust emission rule in the dust production process of the cut coal block; as in the present application, the dynamic trapping module 7 includes a camera 71, an exposure lamp 72 and a dust sensor, and the dust generated in the dust-producing process of the cut coal is captured and observed by the camera 71, and the exposure lamp 72 improves the capturing image quality effect of the camera 71; the dust sensor is arranged on the experiment cover body 2 and used for detecting the dust concentration of the appointed position of the experiment cover body 2, and in actual use, the dust sensor can be arranged at a plurality of appointed positions in the experiment cover body 2, and the dust concentration is monitored at a plurality of appointed positions through the dust sensor.
In the application, the cutting device comprises a control module, wherein the control module comprises a controller, and the controller is electrically connected with the cutting module 3; when the cutting device is used, the controller is used for monitoring or controlling the cutting strength of the cutting module 3, for example, the cutting module 3 drives the cutting wheel to rotate through the motor, and in the process, the controller monitors or regulates the working power of the motor, so that the cutting strength is controlled;
sometimes, in order to monitor the monitoring data of the dynamic trapping module 7, the controller is electrically connected with the dust sensor; when the dust sensor is used, the controller is used for monitoring dust concentration data of the dust sensor; of course, it is possible that the controller may be connected to a computer, and the computer may be used to perform more intuitive control or detection, and the computer may be electrically connected to the camera 71 for monitoring.
When the coal cutter is used, the dynamic trapping module 7 is used for realizing the visualization of the cutting process, so that the movement track and the law of dust particles generated after the coal body is cut can be conveniently analyzed; the aim of experimental reduction in the whole cutting process is achieved, and the subsequent better analysis of the dust production mechanism of cutting is facilitated.
In this application, the controller may be a PLC controller.
Pre-experiments are performed before the experiments to set the dynamic trapping time of the dynamic trapping module 7, specifically, the dynamic trapping time of the camera 71 of the dynamic trapping module 7, aiming at the setting of the actual dynamic trapping time, according to the boundary of the experimental cover body 2, when the dynamic trapping time is set to be too large, the dynamic trapping time may be limited by the boundary of the experimental cover body 2, so that the free diffusion of dust generated by cutting is affected.
The interface of the dust concentration sensor is reserved on the side face of the experimental cover body 2, and in the cutting process, the time required for the dust generated by cutting to diffuse to the whole experimental cover body 2 is estimated according to the actual size condition of the experimental cover body 2 and the real-time feedback data of the dust concentration sensor, so that the time is used as the dynamic capturing time of the camera 71 in the subsequent experiment.
For the cutting dust generation experimental system, the application also discloses a cutting dust generation monitoring method:
putting the pretreated coal body into a coal body loading module 5;
adjusting the dynamic capture module 7 to prepare for shooting;
when the to-be-cut module 3 and the coal loading module 5 keep horizontal and start cutting, starting the dust collecting module 6 and clicking a shooting button to start recording;
according to the real-time cutting camera 71 on the computer, recording the dust-producing process, properly selecting a certain dynamic capturing time, clicking to stop shooting and storing the video to the computer;
after cutting, collecting dust through a dust collecting module 6; the dust collected by the dust collection module 6 is processed and analyzed.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the disclosure, and various changes and modifications may be made without departing from the spirit and scope of the disclosure, which are within the scope of the disclosure as claimed.
Claims (3)
1. A cutting dust generation experiment system, comprising: the experimental device comprises an experimental platform (1), wherein an experimental cover body (2) is arranged on the experimental platform (1), a cutting module (3) is positioned in the experimental platform (1) in the experimental cover body (2), and the cutting module (3) is arranged on a sliding mechanism;
the coal body loading module (5) is used for loading coal blocks;
the dust collecting module (6) is used for collecting dust and scraps generated by cutting coal blocks;
the dynamic trapping module (7) is positioned on one side of the experiment cover body (2), and the dynamic trapping module (7) is used for monitoring dust in the dust production process of the cut coal blocks;
the dynamic trapping module (7) comprises a dust sensor, wherein the dust sensor is arranged on the experiment cover body (2) and is used for detecting the dust concentration of a designated position of the experiment cover body (2);
the control module comprises a controller, and the controller is electrically connected with the dynamic trapping module (7) and the cutting module (3); the controller is used for monitoring or controlling the cutting strength of the cutting module (3); the control module monitors the monitoring data of the dynamic trapping module (7);
the coal body loading module (5) comprises a chuck;
the coal body loading module (5) comprises an adsorption head;
the dust collection module (6) comprises a dust collection cover (61) and a dust collection tray (62), the dust collection cover (61) is positioned at the top end of the experiment cover body (2), and the dust collection tray (62) is positioned at the bottom end of the experiment cover body (2);
pre-experiments are carried out before the experiments to set the dynamic trapping time of the dynamic trapping module (7), particularly the dynamic trapping time of a camera (71) of the dynamic trapping module (7), aiming at the setting of the actual dynamic trapping time, the dynamic trapping time is related to the boundary of the experimental cover body (2), and when the dynamic trapping time is set to be too large, the dynamic trapping time is limited by the boundary of the experimental cover body (2) to influence the free diffusion of dust generated by cutting; and an interface of a dust sensor is reserved on the side surface of the experimental cover body (2), and in the cutting process, the time required by the dust generated by cutting to diffuse to the whole experimental cover body (2) is estimated according to the actual size condition of the experimental cover body (2) and the real-time feedback data of the dust sensor, so that the time is used as the dynamic capturing time of a camera (71) of a subsequent experiment.
2. The cutting dust generation experiment system according to claim 1, wherein the sliding mechanism comprises a sliding group, the sliding group is positioned on an experiment platform (1) in the experiment cover body (2), the sliding group comprises a first sliding rail (41) and a second sliding rail (42), and the first sliding rail (41) and the second sliding rail (42) are arranged in parallel;
the cutting module (3) is mounted on the first sliding rail (41) and the second sliding rail (42) and moves along the first sliding rail (41) and the second sliding rail (42).
3. The cutting dust generation experiment system according to claim 1, wherein the dynamic trapping module (7) further comprises a camera (71) and an exposure lamp (72), the camera (71) captures and observes dust generated in the dust generation process of the cutting coal block, and the exposure lamp (72) improves the capturing image quality effect of the camera (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210161075.2A CN114544440B (en) | 2022-02-22 | 2022-02-22 | Cutting dust generation experimental system and cutting dust generation monitoring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210161075.2A CN114544440B (en) | 2022-02-22 | 2022-02-22 | Cutting dust generation experimental system and cutting dust generation monitoring method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114544440A CN114544440A (en) | 2022-05-27 |
| CN114544440B true CN114544440B (en) | 2024-01-12 |
Family
ID=81677128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210161075.2A Active CN114544440B (en) | 2022-02-22 | 2022-02-22 | Cutting dust generation experimental system and cutting dust generation monitoring method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114544440B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2886548Y (en) * | 2006-03-09 | 2007-04-04 | 辽宁工程技术大学 | Tester for coal cutting process |
| JP2009103580A (en) * | 2007-10-23 | 2009-05-14 | Nippon Steel Corp | Device, method, and program for simulating diffusion of dust in atmosphere |
| CN101952709A (en) * | 2007-11-15 | 2011-01-19 | 爱克斯崔里斯科技有限公司 | Particle detection |
| CN106454241A (en) * | 2016-10-13 | 2017-02-22 | 北京师范大学 | Dust haze diffusion path drawing and source determining method based on monitoring video and social network data |
| WO2018051101A1 (en) * | 2016-09-16 | 2018-03-22 | Scientific Instruments Limited | A dust detector and method |
| CN108930549A (en) * | 2018-07-02 | 2018-12-04 | 山东科技大学 | A kind of space multistory control dust removal method for moving frame dust for fully-mechanized mining working |
| CN109001417A (en) * | 2018-04-27 | 2018-12-14 | 中国矿业大学 | A kind of getting working face operation process dust analysis mode pilot system |
| CN110006771A (en) * | 2019-04-04 | 2019-07-12 | 山东科技大学 | A kind of simulating experimental system and experimental method for simulating coal and rock cutting dust |
| CN110031403A (en) * | 2019-04-04 | 2019-07-19 | 山东大学 | A kind of full-automatic rock sample image collecting device and method |
| CN110296913A (en) * | 2019-06-25 | 2019-10-01 | 北京理工大学 | A kind of detection system and its detection method of combustible dust dispersion ability concentration |
| US10436907B1 (en) * | 2014-10-11 | 2019-10-08 | Arete Associates | Active christiansen effect LIDAR system and method |
| CN110411915A (en) * | 2019-07-31 | 2019-11-05 | 中国矿业大学 | A kind of coal petrography cutting dust experimental system and method |
| CN110595973A (en) * | 2019-10-22 | 2019-12-20 | 中国矿业大学(北京) | Mine dust monitoring method based on image |
| CN110687024A (en) * | 2019-09-18 | 2020-01-14 | 北方爆破科技有限公司 | Image-based blasting dust amount measuring method |
| CN111054163A (en) * | 2019-12-31 | 2020-04-24 | 柏美迪康环境科技（上海）股份有限公司 | Double-fluid fog gun and application thereof |
| CN111103221A (en) * | 2020-01-02 | 2020-05-05 | 神华神东煤炭集团有限责任公司 | Detection method and detection system for dust space-time distribution of fully mechanized coal mining face of coal mine |
| CN111896210A (en) * | 2020-07-10 | 2020-11-06 | 太原理工大学 | Coal mine transfer point induced airflow and dust measurement simulation experiment system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3825759B2 (en) * | 2002-06-17 | 2006-09-27 | 株式会社リコー | Powder recovery apparatus, developing apparatus, image forming apparatus, and powder recovery method |
-
2022
- 2022-02-22 CN CN202210161075.2A patent/CN114544440B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2886548Y (en) * | 2006-03-09 | 2007-04-04 | 辽宁工程技术大学 | Tester for coal cutting process |
| JP2009103580A (en) * | 2007-10-23 | 2009-05-14 | Nippon Steel Corp | Device, method, and program for simulating diffusion of dust in atmosphere |
| CN101952709A (en) * | 2007-11-15 | 2011-01-19 | 爱克斯崔里斯科技有限公司 | Particle detection |
| US10436907B1 (en) * | 2014-10-11 | 2019-10-08 | Arete Associates | Active christiansen effect LIDAR system and method |
| WO2018051101A1 (en) * | 2016-09-16 | 2018-03-22 | Scientific Instruments Limited | A dust detector and method |
| CN106454241A (en) * | 2016-10-13 | 2017-02-22 | 北京师范大学 | Dust haze diffusion path drawing and source determining method based on monitoring video and social network data |
| CN109001417A (en) * | 2018-04-27 | 2018-12-14 | 中国矿业大学 | A kind of getting working face operation process dust analysis mode pilot system |
| CN108930549A (en) * | 2018-07-02 | 2018-12-04 | 山东科技大学 | A kind of space multistory control dust removal method for moving frame dust for fully-mechanized mining working |
| CN110031403A (en) * | 2019-04-04 | 2019-07-19 | 山东大学 | A kind of full-automatic rock sample image collecting device and method |
| CN110006771A (en) * | 2019-04-04 | 2019-07-12 | 山东科技大学 | A kind of simulating experimental system and experimental method for simulating coal and rock cutting dust |
| CN110296913A (en) * | 2019-06-25 | 2019-10-01 | 北京理工大学 | A kind of detection system and its detection method of combustible dust dispersion ability concentration |
| CN110411915A (en) * | 2019-07-31 | 2019-11-05 | 中国矿业大学 | A kind of coal petrography cutting dust experimental system and method |
| CN110687024A (en) * | 2019-09-18 | 2020-01-14 | 北方爆破科技有限公司 | Image-based blasting dust amount measuring method |
| CN110595973A (en) * | 2019-10-22 | 2019-12-20 | 中国矿业大学(北京) | Mine dust monitoring method based on image |
| CN111054163A (en) * | 2019-12-31 | 2020-04-24 | 柏美迪康环境科技（上海）股份有限公司 | Double-fluid fog gun and application thereof |
| CN111103221A (en) * | 2020-01-02 | 2020-05-05 | 神华神东煤炭集团有限责任公司 | Detection method and detection system for dust space-time distribution of fully mechanized coal mining face of coal mine |
| CN111896210A (en) * | 2020-07-10 | 2020-11-06 | 太原理工大学 | Coal mine transfer point induced airflow and dust measurement simulation experiment system |
Non-Patent Citations (3)
| Title |
|---|
| 多中段溜井卸矿粉尘产运规律与控制技术研究;王亚朋;《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》(第08(2021)期);第B021-19页 * |
| 掘进机截齿割煤产尘机制及减尘应用研究;周文东;《中国优秀博士学位论文全文数据库工程科技Ⅰ辑》(第01(2021)期);第B021-43页 * |
| 采煤机割煤产尘及粉尘运移规律的数值模拟;任志峰;《煤矿安全》;第52卷(第07期);第1-7页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114544440A (en) | 2022-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108288055B (en) | Electric locomotive pantograph and electric arc detection method based on deep network and classification test | |
| WO2021197419A1 (en) | Novel friction welding device and production line | |
| CN104280394B (en) | Device and method for detecting three-way catalyst | |
| CN114544440B (en) | Cutting dust generation experimental system and cutting dust generation monitoring method thereof | |
| CN107127367A (en) | A kind of automatic counterbore machine | |
| CN204366608U (en) | A kind of CNC milling machine improving auto parts machining accuracy | |
| CN106378538A (en) | Battery feeding mechanism and full-automatic ring cutting machine provided with battery feeding mechanism | |
| CN105891217A (en) | System and method for detecting surface defects of steel rails based on intelligent trolley | |
| CN201711292U (en) | Pen point sorting machine | |
| CN108772826A (en) | A kind of electricity nickel plate check machine and its inspection method | |
| CN217412866U (en) | Laser welding waste gas collection device | |
| CN112474737B (en) | Intelligent chip disassembling device | |
| CN203417902U (en) | Dust removal tool with plurality of air suction mechanisms | |
| CN209764162U (en) | Steel mesh tension and pore-forming quality detection equipment | |
| CN208743246U (en) | A kind of dust exhaust apparatus of PCB drilling device | |
| CN114397525A (en) | Universal intelligent automatic test equipment for PCBA | |
| CN206952475U (en) | The escapement and feed mechanism of a kind of workpiece | |
| CN109238435A (en) | A kind of circular saw bench gear-box vibration test system | |
| CN206868647U (en) | A kind of device for detecting vehicle workpiece | |
| CN113109437A (en) | Pultrusion multi-cavity plate composite material nondestructive testing device | |
| CN206474807U (en) | laser drilling device | |
| CN212919632U (en) | Device for continuously cutting carbon material | |
| CN205785338U (en) | Air automatic monitoring equipment | |
| CN111308959A (en) | Numerical control machine tool monitoring system and method based on instruction domain data synchronization | |
| CN108007354B (en) | A kind of powder shakeouts equipment and its application method automatically |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |