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Applied Sciences
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Advanced Technologies on Mine Dust Prevention and Control
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Advanced Technologies on Mine Dust Prevention and Control

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".

Deadline for manuscript submissions: closed (20 November 2022) | Viewed by 17446

Special Issue Editors

Prof. Dr. Wen Nie

E-Mail Website
Guest Editor
College of Safety and Environmental Engineering (College of Safety and Emergency Management), Shandong University of Science and Technology, Qingdao 266590, China
Interests: coal mine ventilation; dust control; fire prevention and suppression; mine disaster prevention and control
Special Issues, Collections and Topics in MDPI journals
Dr. Guoming Liu

E-Mail Website
Guest Editor
College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
Interests: shotcrete; coal mining; rheology; dust suppression
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Pengfei Wang

E-Mail Website
Guest Editor
School of Resource, Environment & Safety Engineering, Hunan University of Science & Technology, Xiangtan 411201, China
Interests: mine environmental protection; industrial ventilation; dust control

Special Issue Information

Dear Colleagues,

Dust hazard in mines is serious, especially in coal mines. By the end of 2019, China had reported a total of 994,000 cases of occupational diseases, including 889,000 cases of occupational pneumoconiosis, accounting for 90 percent of the total number of cases. In 2019, a new 15,898 cases of occupational pneumoconiosis were reported across the country. Pneumoconiosis is mainly distributed in the mining industry, showing a trend of younger age, covering a wide range of people and causing great potential harm. The medical expenses for the treatment of pneumoconiosis are up to 8 billion yuan every year, making it the most serious occupational disease that harms the physical and mental health of miners.

Foreign developed coal mining countries have advanced dust control and individual monitoring technologies. In terms of dust control, the United States, Germany, Australia and other countries adopt measures such as coal seam water injection, dust-containing air flow control, spray dust reduction, and pre-wet coal seam on the top of the support; Germany and Poland respectively adopt bag type and wet swirling dust removers for dust removal, with air duct attached to the wall for dust control, monorail crane movement, spray dust removal and other measures. The focus of mine dust control in China is changing from total dust to respirable dust, and the technical level of respirable dust control is in urgent need of improvement. In terms of coal mine dust control, measures such as coal seam water injection, high-pressure spraying, and moving sidewalk spraying are mainly used to control the coal dust from fully mechanized mining.

The theme is not limited to the following topics

  • Coal seam wetting and coal dust generation characteristics;
  • Dust prevention technology for fully mechanized mining face in difficult water injection seam;
  • Shotcrete dust control technology in mines;
  • Physical and chemical dust removal technology in the mining and transportation process of metal and non-metal mines;
  • Online continuous monitoring and individual monitoring technology of mine breathing dust.
  • Security management
  • Present situation and prevention measures of mine pneumoconiosis

Prof. Dr. Wen Nie
Dr. Guoming Liu
Prof. Dr. Pengfei Wang
Guest Editors

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. Applied Sciences is an international peer-reviewed open access semimonthly 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 2400 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

  • coal seam wetting and coal dust generation characteristics
  • dust prevention technology for fully mechanized mining face in difficult water injection seam
  • shotcrete dust control technology in mines
  • physical and chemical dust removal technology in the mining and transportation process of metal and non-metal mines
  • online continuous monitoring and individual monitoring technology of mine breathing dust
  • security management
  • mine pneumoconiosis

Published Papers (6 papers)

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Editorial

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5 pages, 1349 KiB  
Editorial
Advanced Technologies on Mine Dust Prevention and Control
by Guoming Liu and Minghui Hou
Appl. Sci. 2023, 13(8), 4869; https://doi.org/10.3390/app13084869 - 13 Apr 2023
Cited by 1 | Viewed by 1817
Abstract
Coal is the most abundant and widely distributed fossil energy source on the planet [...] Full article
(This article belongs to the Special Issue Advanced Technologies on Mine Dust Prevention and Control)
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Research

Jump to: Editorial, Review

22 pages, 37396 KiB  
Article
Powder Explosion Inhibitor Prepared from Waste Incinerator Slag: Applied to Explosion Suppression of Oil Shale Dust Explosion
by Bo Liu, Kaili Xu, Yuyuan Zhang and Ji Ge
Appl. Sci. 2022, 12(3), 1034; https://doi.org/10.3390/app12031034 - 20 Jan 2022
Cited by 5 | Viewed by 1505
Abstract
In this paper, a method for waste incineration slag is proposed. An incineration acidification alkalization modification was carried out based on the characteristics of the oxides (SiO2, CaO, Al2O3, Fe2O3, and MgO) of [...] Read more.
In this paper, a method for waste incineration slag is proposed. An incineration acidification alkalization modification was carried out based on the characteristics of the oxides (SiO2, CaO, Al2O3, Fe2O3, and MgO) of waste incineration slag. With modified slag as the carrier and NaHCO3 as the supporter, a slag-based composite powder explosion inhibitor was prepared with the solvent-crystallization wet coating (WCSC), ball milling dry coating (DCBM), and air impact dry coating (DCAI) methods. The advantages and disadvantages of the three methods were compared and analyzed. Explosion suppression experiments on oil shale dust were carried out, and the explosion suppression mechanism was described. The explosion suppression process of the modified slag–NaHCO3 composite powder explosion inhibitor for oil shale dust was found to involve a synergy of physical and chemical inhibition. This explosion suppression mechanism indicates three requirements for the preparation and application of industrial solid waste-based composite powder explosion inhibitors. The feasibility of preparing composite powder explosion inhibitors from waste incinerator slag was discussed from the experimental point of view and its explosion suppression performance on oil shale dust was studied with the intention of providing a new form of resource utilization for waste incinerator slag. Full article
(This article belongs to the Special Issue Advanced Technologies on Mine Dust Prevention and Control)
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13 pages, 3215 KiB  
Article
A Mathematical Model for Predicting the Sauter Mean Diameter of Liquid-Medium Ultrasonic Atomizing Nozzle Based on Orthogonal Design
by Shilin Li, Gaogao Wu, Pengfei Wang, Yan Cui, Chang Tian and Han Han
Appl. Sci. 2021, 11(24), 11628; https://doi.org/10.3390/app112411628 - 08 Dec 2021
Cited by 6 | Viewed by 2600
Abstract
As a new type of atomizing nozzle with superior atomizing performance, the liquid-medium ultrasonic atomization nozzle has been widely applied in the field of spray dust reduction. In this study, in order to establish a mathematical model for predicting the Sauter mean diameter [...] Read more.
As a new type of atomizing nozzle with superior atomizing performance, the liquid-medium ultrasonic atomization nozzle has been widely applied in the field of spray dust reduction. In this study, in order to establish a mathematical model for predicting the Sauter mean diameter (SMD) of such nozzles, the interaction between the SMD of the nozzle and the three influencing factors, i.e., air pressure, water pressure, and outlet diameter were investigated based on the custom-designed spraying experiment platform and orthogonal design methods. Through range analysis, it was obtained that the three parameters affecting the SMD of the nozzle are in the order of air pressure > water pressure > outlet diameter. On this basis, using the multivariate nonlinear regression method, the mathematical model for predicting the SMD of the nozzle was constructed. Comparison of the experimental results with the predicted values of the SMD of the nozzle by the multivariate nonlinear regression mathematical model, showed strong similarity with an average relative error of only about 5%. Therefore, the established mathematical model in this paper can be used to predict and calculate the droplet size for liquid-medium ultrasonic atomizing nozzles. Full article
(This article belongs to the Special Issue Advanced Technologies on Mine Dust Prevention and Control)
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18 pages, 4292 KiB  
Article
Formulation Development and Performance Characterization of Ecological Dust Suppressant for Road Surfaces in Cities
by Yuan Wang, Cuifeng Du and Mengmeng Cui
Appl. Sci. 2021, 11(21), 10466; https://doi.org/10.3390/app112110466 - 08 Nov 2021
Cited by 7 | Viewed by 1964
Abstract
In order to solve the problem of road dust pollution, an ecological dust suppressant for road surfaces has been developed using monomer, orthogonal, and optimization experiments and based on the dust raising mechanism. A humectant, hygroscopic agent, coagulant and surfactant and their concentration [...] Read more.
In order to solve the problem of road dust pollution, an ecological dust suppressant for road surfaces has been developed using monomer, orthogonal, and optimization experiments and based on the dust raising mechanism. A humectant, hygroscopic agent, coagulant and surfactant and their concentration ranges have been determined through monomer experiment. The preliminary formula of the dust suppressant has been obtained through orthogonal experiment, with the water loss rate, moisture content rate, viscosity value, and surface tension value serving as experimental indexes. The optimal formula for the dust suppressor has been calculated through an optimization experiment, with the toxicity, moisture absorption and retention performance of plants, and the relative damage rate of plant seeds serving as experimental indexes. Based on the performance characterization of ecological road dust suppressant, the ecologically and environmentally friendly dust suppressant demonstrates fine moisture absorption and retention performance, good wind and rain erosion resistance, and no toxicity. The ecological road dust suppressant developed herein covers extensive raw material sources. It is ecologically and environmentally friendly, fit for most urban roads, and has a fine dust suppression effect. Meanwhile, it also can bring in good economic and social benefits, demonstrating its broad application prospects. Full article
(This article belongs to the Special Issue Advanced Technologies on Mine Dust Prevention and Control)
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16 pages, 4780 KiB  
Article
Study on a New Type of Composite Powder Explosion Inhibitor Used to Suppress Underground Coal Dust Explosion
by Bo Liu, Yuyuan Zhang, Kaili Xu, Yansong Zhang, Zheng Hao and Ning Ma
Appl. Sci. 2021, 11(18), 8512; https://doi.org/10.3390/app11188512 - 14 Sep 2021
Cited by 9 | Viewed by 2059
Abstract
At present, the world is committed to the development of environmentally friendly, sustainable and industrial safety. The effective treatment of industrial solid waste can be applied in the field of industrial safety. It is one of the ways to apply industrial solid waste [...] Read more.
At present, the world is committed to the development of environmentally friendly, sustainable and industrial safety. The effective treatment of industrial solid waste can be applied in the field of industrial safety. It is one of the ways to apply industrial solid waste to industrial safety to modify industrial solid waste and combine active powder to prepare industrial solid waste-based composite powder explosion inhibitors and apply it to underground coal dust explosion. This paper introduces the modification and preparation methods of industrial solid waste, and analyzes the good explosion suppression effect and good economic benefit of industrial solid waste-based composite powder explosion inhibitors on coal dust explosion. In this paper, four kinds of industrial solid wastes (red mud, slag, fly ash and sludge) were modified, and the modified solid waste materials with good carrier characteristics were obtained. Combined with a variety of active powders (NaHCO3, KH2PO4 and Al(OH)3), the industrial solid waste-based composite powder explosion inhibitors were obtained by solvent-crystallization (WCSC) and dry coating by ball milling (DCBM). Those kinds of explosion inhibitors can suppress the explosion of pulverized coal in 40–50% of cases. Compared with the powder explosion inhibitor commonly used in industry, it has a lower production cost and better explosion suppression effect. Those kinds of explosion inhibitors have a good industrial application prospect. Full article
(This article belongs to the Special Issue Advanced Technologies on Mine Dust Prevention and Control)
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Review

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18 pages, 6645 KiB  
Review
Research Status of Pathogenesis of Pneumoconiosis and Dust Control Technology in Mine—A Review
by Guoming Liu, Qianqian Xu, Jipeng Zhao, Wen Nie, Qingkun Guo and Guanguo Ma
Appl. Sci. 2021, 11(21), 10313; https://doi.org/10.3390/app112110313 - 03 Nov 2021
Cited by 19 | Viewed by 5656
Abstract
Pneumoconiosis has become one of the biggest threats to the occupational health and life safety of mining workers in China. The number of pneumoconiosis cases has continued to rise in recent years. The main task of occupational health development is to study the [...] Read more.
Pneumoconiosis has become one of the biggest threats to the occupational health and life safety of mining workers in China. The number of pneumoconiosis cases has continued to rise in recent years. The main task of occupational health development is to study the pathogenesis of pneumoconiosis and to develop mine dust prevention and control technology. Therefore, this paper summarizes the research progress of coal worker pneumoconiosis and dust prevention and control in mines. Firstly, the research progress of coal worker pneumoconiosis is analyzed from the aspects of pathogenesis, animal model and pathological changes of coal worker pneumoconiosis. Then, the existing basic theory and technology of dust prevention are described, including ventilation and dust removal, spray and dust suppression, and chemical dust suppression methods. Finally, based on the dust removal theory of wet shotcrete, the progress of shotcrete dust control technology and equipment used for shotcrete is summarized from the aspects of shotcrete technology process and shotcrete materials. At the same time, in view of the shortcomings of the existing research, the next research prospect is given in the pathogenesis of pneumoconiosis, intelligent dust prevention, jet spraying dust removal and so on. This paper provides theoretical support for realizing the separate source and efficient treatment of mine dust control and helps to improve the clean production level of mine, control and prevent pneumoconiosis. Full article
(This article belongs to the Special Issue Advanced Technologies on Mine Dust Prevention and Control)
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