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Prevention and Control of Fire and Explosion in Mining Industry
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Prevention and Control of Fire and Explosion in Mining Industry

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Disaster Medicine".

Deadline for manuscript submissions: closed (12 April 2023) | Viewed by 5959

Special Issue Editor

Dr. Guansheng Qi

E-Mail Website
Guest Editor
1. College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
2. State Key Laboratory of Mining Lab Disaster Prevention and Control Co-Found by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China
Interests: spontaneous combustion; mine fires; coal; microcapsule; urea formaldehyde; exchangeable bond; defects; infrared photography; eddy currents

Special Issue Information

Dear Colleagues,

“Prevention and Control of Fire and Explosion in Mining Industry” is a Special Issue of the International Journal of Environmental Research and Public Health. Mine fires and explosions still occur from time to time around the world, such as conveyor belt fires, spontaneous combustion of coal, gas burning and explosion, dust explosion, etc. This has led to heavy property losses and casualties. At present, occurrence and development law and the disaster-causing characteristics of mine fires and explosions have not been effectively revealed, and the existing technology cannot realize the early accurate identification and early warning of disasters such as gob fires. In order to meet the needs of emergency disposal and efficient rescue of mine fire and explosion accidents, this Special Issue focuses on the occurrence and development characteristics of fires and explosions in underground goaf and complex roadway networks, methods and technologies for the early accurate identification and rapid determination of fire source location, high-efficiency green fire-fighting materials and technologies, emergency rescue theory and technology, etc.

Dr. Guansheng Qi
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Environmental Research and Public Health is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2500 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • gas burning and explosion
  • coal spontaneous combustion
  • dust explosion
  • gob fire
  • underground roadway fire
  • smoke diffusion
  • early detection of fire
  • fire source location determination
  • green fire extinguishing material and technology
  • emergency rescue

Published Papers (4 papers)

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Research

17 pages, 4319 KiB  
Article
Research on the Mechanism and Control Technology of Coal Wall Sloughing in the Ultra-Large Mining Height Working Face
by Xuelong Li, Xinyuan Zhang, Wenlong Shen, Qingdong Zeng, Peng Chen, Qizhi Qin and Zhen Li
Int. J. Environ. Res. Public Health 2023, 20(1), 868; https://doi.org/10.3390/ijerph20010868 - 3 Jan 2023
Cited by 50 | Viewed by 1881
Abstract
One of the primary factors affecting safe and effective mining in fully mechanized mining faces with large mining heights is coal wall sloughing. This paper establishes the mechanical model of the coal wall and uses the deflection theory for the mechanics of materials [...] Read more.
One of the primary factors affecting safe and effective mining in fully mechanized mining faces with large mining heights is coal wall sloughing. This paper establishes the mechanical model of the coal wall and uses the deflection theory for the mechanics of materials to find the maximum point of the deflection of the coal wall, which is the most easily deformed and damaged during the mining process, based on the mining production conditions of the 12-2up108 working face in the Jinjitan Coal Mine. In order to simulate the characteristics of the coal wall in the large mining height working face at various mining heights, the FLAC-3D numerical method was used. The stability of the mining area was assessed in conjunction with the multi-factor fuzzy comprehensive evaluation mathematical model, and the corresponding control of the coal wall was suggested. The study demonstrates that: (1) The working surface at Jinjitan Coal Mine 112-2up108 is a typical drum-out sloughing. The coal wall is most likely to sustain damage at the point where it contacts the roof when the frictional resistance between the coal seam and the roof and floor is less than the uniform load, and at 0.578 times the mining height when the frictional resistance between the coal seam and the roof and floor is greater than the uniform load. (2) In the working face with a large mining height, mining height of the coal wall is one of the significant influencing factors. With increasing mining height, the coal wall’s height also rises nonlinearly, as does the depth of the coal wall in the working face with the large mining height. The growth is linear. The coal wall’s maximum deflection value point moves up and the slab’s height significantly increases when the mining height exceeds 7.5 m. (3) The Jinjitan Coal Mine should be supported by a pressurized and enhanced composite support bracket with a support force greater than 0.245 MPa and a support plate of 3500 mm because it belongs to a Class I stable coal wall, according to a thorough evaluation of a multi-factor fuzzy mathematical model. The working face’s mining pressure is continuously and dynamically monitored, and the stress is released in a timely manner to prevent the occurrence of dynamic disasters. Full article
(This article belongs to the Special Issue Prevention and Control of Fire and Explosion in Mining Industry)
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12 pages, 3509 KiB  
Article
The Revealed Mechanism of Rock Burst Based on an Innovative Calculation Method of Rock Mass Released Energy
by Wenlong Zhang, Jicheng Feng, Ji Ma and Jianjun Shi
Int. J. Environ. Res. Public Health 2022, 19(24), 16636; https://doi.org/10.3390/ijerph192416636 - 11 Dec 2022
Cited by 3 | Viewed by 1171
Abstract
It is very necessary to study the mechanism of rock burst, which is related to the safe construction of many geotechnical projects. Previous studies have shown that small trigger stress will lead to large energy release, but the specific conditions that cause the [...] Read more.
It is very necessary to study the mechanism of rock burst, which is related to the safe construction of many geotechnical projects. Previous studies have shown that small trigger stress will lead to large energy release, but the specific conditions that cause the release and how to quantify the energy are urgent problems to be solved. In this study, an innovative calculation method of rock mass energy release is proposed, and the calculated release energy is consistent with the monitoring results of field monitoring equipment. The revealed mechanism of rock burst reflected is that under the condition of a large-ratio pre-state stress field (mostly > 2.5), a small trigger stress field will lead to a large amount of energy release under “late butterfly shape” or “final butterfly shape” of the plastic zone. This study reveals the key factor of rock burst, which plays an important reference role for the mechanism research, subsequent monitoring and treatment method of rock burst. Full article
(This article belongs to the Special Issue Prevention and Control of Fire and Explosion in Mining Industry)
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12 pages, 13240 KiB  
Article
Occurrence Location and Propagation Inconformity Characteristics of Vibration Events in a Heading Face ofa Coal Mine
by Jianju Ren, Wenlong Zhang, Hongmei Zhang and Honggang Kou
Int. J. Environ. Res. Public Health 2022, 19(22), 15169; https://doi.org/10.3390/ijerph192215169 - 17 Nov 2022
Viewed by 1040
Abstract
The location and characteristics of the vibration event in the heading face of a coal mine are of great significance for the monitoring and early warning of rock burst. The aim of the study is to reveal the occurrence location and propagation characteristics [...] Read more.
The location and characteristics of the vibration event in the heading face of a coal mine are of great significance for the monitoring and early warning of rock burst. The aim of the study is to reveal the occurrence location and propagation characteristics of macro vibration events in a heading face of coal mine. After statistics and analysis, the occurrence location of the events is mostly around the head of heading face revealed by amplitude sequencing and arrival time sequencing. As the vibration event propagates to the rear sensors, the amplitude presents exponential attenuation, which is the same as the ideal state; however, the main frequency does not appear with linear attenuation, which is obviously different from the ideal state. The reason for the inconsistency of the main frequency is probably related to the complex underground environment. The results of the main frequency results in this study are completely opposite to the previous study, indicating that the inconsistency of the main frequency should be regarded carefully when using as an early warning index. Full article
(This article belongs to the Special Issue Prevention and Control of Fire and Explosion in Mining Industry)
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19 pages, 18052 KiB  
Article
Influence of Mine Environmental Factors on the Liquid CO2 Pipeline Transport System with Great Altitude Difference
by Guansheng Qi, Hao Hu, Wei Lu, Lulu Sun, Xiangming Hu, Yuntao Liang and Wei Wang
Int. J. Environ. Res. Public Health 2022, 19(22), 14795; https://doi.org/10.3390/ijerph192214795 - 10 Nov 2022
Cited by 1 | Viewed by 1357
Abstract
To prevent coal spontaneous combustion and store CO2 in the coal mine, it is necessary to establish a fire-prevention pipeline transport system which continuously injects a large amount of liquid CO2 from the ground to the underground area directly. At present, [...] Read more.
To prevent coal spontaneous combustion and store CO2 in the coal mine, it is necessary to establish a fire-prevention pipeline transport system which continuously injects a large amount of liquid CO2 from the ground to the underground area directly. At present, few studies are focused on the law of liquid CO2 transport with great altitude difference. Moreover, the complex transport environment in the coal mine affects the design and application of the pipeline transport system for ground direct injection of liquid CO2. This study explores the influence of environmental factors at different depths in the coal mine on the liquid CO2 transport. Excessive altitude difference, ambient temperature and airflow velocity may lead to the boiling of liquid CO2 during pipeline transport and a sudden drop in CO2 temperature and pressure, which may cause danger in the pipeline transport system. The critical insulation thickness is determined based on the occurrence of the boiling of CO2. In addition, the influence law of adding an insulating layer of different thicknesses to the CO2 pipeline system is obtained. This study is of great significance to the establishment of a pipeline system that safely transports liquid CO2 from the ground to the underground mine. Full article
(This article belongs to the Special Issue Prevention and Control of Fire and Explosion in Mining Industry)
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