explosion control in coal mining

In W.Va., Blast Leads to Worst U.S. Mining Disaster in Decades

Updated 3:14 a.m. ET Tuesday | At least 25 coal miners were killed and more remained missing after an explosion Monday afternoon at an underground coal mine in southern West ia, according to ...

(PDF) Explosions in Underground Coal Mines

Explosion hazards in sealed coal mines are an issue of utmost importance, which, according to cheng [13], requires a comprehensive understanding of explosion dynamics, mining operations, and ...

Research on causes of coal mine gas explosion accidents …

1. Introduction. The coal mine industry is a typical high-risk industry, with frequent accidents and numerous incentives. Gas explosions are undoubtedly the most serious type of coal mine production accidents, as they may cause a large number of casualties, huge economic losses, and severe negative societal effects.

Adaptive Modification of TBM Tunneling in Coal Mine …

Many mines have introduced the tunnel boring machine (TBM) to improve the efficiency of rock tunneling because of its high propulsion capacity, safe working space, and intelligent equipment.

Adaptive Modification of TBM Tunneling in Coal Mine …

Coal resources are abundant and will remain the main energy source in China for a long time in the future. The healthy development of the coal industry is of great significance to China's economic development and energy security [1,2,3].However, the traditional roadway technology in coal mines is still dominated by general and artillery …

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The incidence of spontaneous combustion fires and the resulting explosion hazard in underground coal mines is expected to increase with the projected increased mining of lower rank coals, deeper mines with more methane, and the growth in the dimensions of longwall panels. ... The control methods include: (1) Optimizing the …

Best practice gas control and explosion prevention

But, explosions can be prevented by application of the following control principles: a) Minimising flammable gas accumulations. Pre drainage. Methane goaf drainage …

Characteristics of Water Hazards in China's Coal Mines: A …

China's coal mines face very complicated hydrogeological conditions and are affected by many complex water hazards. Based on the condition of the coal seams and an analysis of regional hydrogeological and geological conditions, China's coal-producing regions have been divided into six major hazard regions. This paper …

Gas explosion early warning method in coal mines by intelligent mining

In order to predict gas explosion disasters rapidly and accurately, this study utilizes real-time data collected from the intelligent mining system, including mine safety monitoring, personnel positioning, and video surveillance. Firstly, the coal mine disaster system is decomposed into sub-systems of disaster-causing factors, disaster-prone …

Explosions in Underground Coal Mines: Risk Assessment and …

A book by Jianwei Cheng that provides practical information for coal mine management and explosion safety. It explains the needs, methods, and models for determining and …

(PDF) Review of preventive and constructive …

These undulating factors make it difficult to prevent or control the coal dust explosion hazard. However, coal mining is done aggressively throughout the world, especially in developing countries ...

Coal mining | Definition, History, Types, & Facts | Britannica

Coal is the most abundant fossil fuel on Earth. Its predominant use has always been for producing heat energy. It was the basic energy source that fueled the Industrial Revolution of the 18th and 19th centuries, and the industrial growth of that era in turn supported the large-scale exploitation of coal deposits. Since the mid-20th century, coal has yielded …

Roof-cutting and energy-absorbing method for dynamic disaster control …

The non-pillar mining technology of roof cutting and pressure releasing with automatically formed roadway(AFR) is a new type of coal mining method, which takes advantage of the mining pressure and ...

Mining Feature: Coal Mine Explosion Prevention …

Coal dust explosibility meter (CDEM) NIOSH developed a coal dust explosibility meter (CDEM) to quickly determine whether the rock dust applied in a mine …

Workers at underground Grosvenor Coal Mine in central …

Anglo American's Grosvenor Coal Mine produced its first longwall coal in May 2016 and opened with an anticipated life of more than 30 years. Last year it produced 117 million tonnes of run-of-mine ...

Mining Dust Control: Comprehensive Strategies to Prevent …

According to Wikipedia, The worst mining accidents in history have been caused by coal dust explosions, such as the disaster at Senghenydd in South Wales in 1913 in which 439 miners died, the Courrières mine disaster in Northern France which killed 1,099 miners in 1906, the Luisenthal Mine disaster in Germany, which claimed …

Risk assessment of gas explosion in coal mines based on …

In the process of coal mine safety production, the diagnosis of causes of gas explosion is often based on the past experience and expert knowledge for risk control. With the aid of the sensitivity analysis method, accident-causing factors can be determined quickly, and the risk events can be controlled pertinently.

Underground Coal Mine Disasters 1900

1981 Grundy Mining No. 21 Explosion 13 1982 RFH Coal No. 1 Explosion 7 1983 Clinchfield No. 1 Explosion 8 1984 Wilberg Fire 27 1986 Loveridge No. 22 Other * 5 1989 William Station Explosion 10 1992 South Mountain Explosion 8 * Stock pile collapse After the South Mountain mine explosion in 1992, there were no major coal mine disasters …

Development of a ground penetrating radar system for …

1. Introduction. Coal is the pillar of China's energy industry, and >60% of the energy is from coal at present. The geological conditions of the China's coal mining are complex, and the different kinds of hidden disasters, such as mine water, small faults, broken zones, are the main causes of the coal mine accidents in China (Cheng, Fei, …

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These differences are substantial, and adopting IEC-based standards and practices in the U.S. mining industry would be a daunting task. However, given the potential for increased availability of safety and health technologies and associated equipment that might be realized through acceptance of IEC-based standards, NIOSH …

Why Do Coal Mines Explode?

The Massey Energy Co. explosion this week is the worst mining disaster in the United States in more than two decades, and this latest catastrophe adds to a long history of coal mine tragedies in ...

CDC

The recommendations contained herein apply to new seal design and construction in U.S. coal mines. Skip directly to site content Skip directly to page options Skip directly ... Prior to the Sago Mine disaster in 2006, mining regulations required seals to withstand a 140-kPa (20-psig) explosion pressure (30 CFR4 75.335(a)(2)). ...

Analysis of coal mine safety accident features in China, …

Incomplete control of the coal seam gas before mining caused gas to accumulate in the corner of coal face to a certain concentration, which caused a working face fire: Shanxi: 3: ... Fatal gas explosion accidents on Chinese coal mines and the characteristics of unsafe behaviors: 2000-2014. Saf. Sci., 92 (2017), pp. 173-179.

Review of preventive and constructive measures for coal mine …

Soma coal mine disaster, Turkey also claimed 301 precious lives in 2014. Düzgün and Leveson in 2018 ... Chapter 11 and 12 of CMR 2017 discusses steps to control the firedamp and coal dust explosion in mines: Accumulation of methane and carbon dioxide with a high percentage in the mine should be investigated. Measures for …

Gas explosion early warning method in coal mines by …

This study proposes a new method for coal mine safety management by combining intelligent mining system with multivariate data analysis. It constructs a …

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Review of preventive and constructive measures for coal …

Firedamp and coal dust explosion constitute a lion's share in mine accidents in a global mining scenario. This paper reports a list of mine explosion …

Best practice explosion prevention

Gas control reduces explosion risks by • Diluting gas, that cannot be captured at medium to high concentration, rapidly to safe concentrations with ventilation air •Using …

Fuzzy multi-criteria decision-making framework for

In this study, the most suitable explosion control method for coal mines was chosen using fuzzy MCDM approaches. As MCDM and fuzzy MCDM-based systems have the potential to solve real world problems with many, competing, and incommensurate criteria while also taking into account human decision-making, they are frequently used …

Effects of rock dusting in preventing and reducing intensity of coal

As an explosion control measure, rock dusting has been used in underground coal mines in many major coal producing countries with different standards. The effectiveness of the rock dust in reducing explosion intensity has been proven by historic events and laboratory experiments. The main functions of rock dust in controlling …