Gas explosion is one of the most deadly hazards in underground coal mining. Risk assessment has played an effective role in avoiding gas explosions and revising coal mine regulations. However, the traditional methods are deficient in quantitative evaluation, dynamic control and dealing with uncertainty. In this paper, a method of quantitative assessment the risk of gas …
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2019930· Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with …
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The grid spacing for numerical simulation of mine gas explosion is determined to be 0.1 m and the time step length is determined to be 0.001 s. (2) The ignition …
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108· Ammonium nitrate explosives are widely used in the mining industry, which can be divided into ordinary mining explosives and coal mine explosives according to application conditions. The former is suitable for open pits and mines without gas or coal-dust explosion danger, and some types of explosives can only be used in open pits.
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2025514· Gas explosion monitoring and prevention in underground coal mines Gas explosions in underground coal mines are a significant safety concern primarily due to …
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However, American standards only mandate the first 3 of these 4 methods. It is possible that US coal mine safety measures could benefit from the implementation of the 4th method, the use of explosion barriers.
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111· In this article, FFTA is applied to the analysis of coal dust and gas explosion accidents, which converts expert scoring for each basic event using an imprecise probability into fuzzy numbers, and estimates the probability of a coal dust or gas explosion accident occurring by applying the method of trapezoidal fuzzy numbers.
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2024118· Explore effective methods for Dust Control in Mines to improve air quality, protect worker health, and ensure safer mining operations.
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20201030· For the purposes of verification of the proposed method, injury probability upon methane/coal dust/air explosion in the preparation face of the …
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91· An example study was conducted on a mine of a large state-owned coal mine enterprise in Shaanxi Province, China. The results show that the method helps coal mine enterprises to accurately assess gas explosion risks, identify weak links in risk prevention and control, and provide a powerful means for continuous improvement of risk management level.
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121· Among all kinds of coal production disasters, the consequences of gas disaster are the most serious. As the existing coal mine gas explosion …
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2019930· Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with …
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2013111· This method takes into account the main factors involving an explosion, assessing their probabilities, and at the same time provides a simplified method to detect hazardous scenarios so that risk reduction measures can be rapidly associated to real situations in underground coal mining.
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111· In this article, FFTA is applied to the analysis of coal dust and gas explosion accidents, which converts expert scoring for each basic event using an imprecise probability into fuzzy numbers, and estimates the probability of a coal dust or gas explosion accident occurring by applying the method of trapezoidal fuzzy numbers.
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In addition, the grading of minerals mined at coal and shale mines improve. Use of charges with air gaps is practiced at more than 100 enterprises mining ore, coal and non-metallic deposits by open cast or underground method with high productivity (3,4,5,).
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20161026· Preventing coal mine explosions requires a suite of control strategies and NIOSH continues to conduct research to develop more effective intervention measures.
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21· The purpose of this study is to analyse the interrelationships and potential behavior patterns among unsafe acts in coal mine gas explosion accidents from the perspective of network modelling and to propose a modelling method for …
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106· NIOSH Mining will continue to evaluate new rock dusting techniques as they evolve with the industry. Techniques, such as ed dusting, will be assessed to ensure that the new methods provide at least the same level or better explosion prevention as the currently accepted practices.
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121· Among all kinds of coal production disasters, the consequences of gas disaster are the most serious. As the existing coal mine gas explosion …
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The prevention and control of fire and explosion in mines fire and explosion in mines are: • The Mines and Quarries Act 1954, which includes provisions that have a bearing on fire and explosion. • The Health and Safety at Work etc Act 1974, which contains duties relating to safe systems of work and ensuring the health and safety of employees and others who may be affected by a …
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Marking includes Ex h with info in CoC: * Types of protection ’c, b en k’ will not being marked on the product, because of possible user mis-interpretation with levels of protection ’c and b’. Manufacturers shall indicate Ex h only and have to define the specific used method(s) in the user installation instructions.
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112· 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
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2013111· Abstract The key objective of this paper is the presentation of a new risk assessment tool for underground coal mines based on a simplified semi-quantitative …
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The coal mine gas explosion accident is due to the interaction of risk factors. Considering the weaknesses in the multi-factor coupling risk measurement and control in the evolution process of gas explosion accidents, this study proposes a multi-factor coupling risk measurement method for gas explosion employing case analysis, on-site investigation, and theoretical research. Firstly, …
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2025514· The design of gas explosion rescue equipment is crucial to ensure the safety of miners while also enhancing the emergency response capabilities of safety personnel in Chinese coal mines. This
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20201030· For the purposes of verification of the proposed method, injury probability upon methane/coal dust/air explosion in the preparation face of the mine at different distances from explosion area boundary is determined, the size of dangerous area is defined.
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2024101· Gas explosions represent a prevalent thermodynamic hazard in coal mining, significantly endangering worker safety and the operation''s overall safety. Water mist stands out among various explosion suppression techniques due to its high heat absorption capacity and environmental sustainability, offering a promising avenue for application.
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