Dangers of coal gangue mountain burning

A study on the thermal behavior of coal gangue mountains

According to the numerical simulation results, soil mulch method is used to cool down the coal gangue mountain The longterm accumulation of coal gangue can lead to an increase in internal temperature If the temperature becomes excessive, it can cause spontaneous combustion, 2023年12月8日  Spontaneous combustion of coal gangue dumps not only releases toxic and harmful gases, polluting the environment, but also leads to explosion accidents and casualties due to improper handlingDetection of Spontaneous Combustion Areas of 2019年12月1日  Being longterm soaked by surface and ground water, the toxic elements in coal gangue can be released, which pollutes the surrounding ecosystem and harms human through Comprehensive utilization and environmental risks of coal gangue: A Abstract: Coal gangue is the byproduct of coal mining and preparation Due to its susceptibility to spontaneous combustion, it causes significant environmental hazards when piled up in open Monitoring Burning Coal Gangue Dump Based on the 3D

Environmental hazards and comprehensive utilization of solid waste coal

2024年4月1日  Coal gangue, a predominant form of solid waste generated during coal mining and processing, often constitutes 15–20 % of the total output of raw coal [8] Due to its poor 2022年8月26日  Coal fire disaster caused by the spontaneous combustion of coal has always been one of the serious problems that threaten the safety of coal mining In our study, we first Study on Thermodynamic Characteristics and Heat Transfer 2021年8月25日  Due to the continuous heating by the heat generated at the depth of 25 m and the sufficient conditions of oxygen supply and heat storage, the coal gangue at the depth of Study on Spontaneous Combustion Characteristics of Waste Coal Gangue 2017年9月18日  Miningrelated disasters, such as rock burst, coal and gas outburst, mine water inrush, severe deformation of the surrounding rock, and CSC fire, are becoming increasingly frequent under the conditions of deep A review on the mechanism, risk evaluation, and

Numerical Simulation of the Dynamic Change

2022年10月13日  To further study the problem of spontaneous combustion of coal gangue mountains, a multifield coupled simulation model was established based on the mathematical models of temperature field, gas concentration 2024年11月8日  In the process of spontaneous combustion of gangue piles, a large amount of toxic and harmful gases such as CO, H 2 S, and SO 2 are produced, which causes serious Study on Natural Characteristics of Coal Gangue Oxidation 2023年7月12日  Coal gangue, as an associated product of coal mining, can cause a large number of piles to undergo slow oxidation and spontaneous combustion, resulting in the production of toxic and harmful gases, leading to casualties, environmental damage, and economic losses Gel foam has been extensively employed as a fireretardant material in coal Research on the fire extinguishing performance of new gel 2023年8月10日  coal gangue mountains, with a total of approximately six billion tons of coal gangue, and this number is increasing by twenty to thirty million tons annually More than twothirds able to cover the surface of the burning material and has excellent antireburning properties (Qin et al 2014; Zhang et al 2017; Shi and Qin 2021) Xi and Shi Research on the fire extinguishing performance of new

Investigation of Coal Gangue on Mitigating Slagging of

2024年3月20日  Abstract The effect of adding coal gangue (CG) under different ratios, temperatures and atmospheres on the slagging of wheat straw (WS) combustion was studied in a tubular furnace At 800°C, there was obvious agglomeration and melting on the ash surface, caused by the reaction of alkali metal elements and alkali earth metal elements with SiO2 to 2024年9月1日  As a byproduct of coal production, coal gangue, if not handled properly, will pose an important hidden danger to the environment and safety Using underground intelligent coal gangue sorting technology can increase efficiency, protect the environment, and enhance safety, which is essential for achieving efficient and ecofriendly coal productionResearch and prospect of underground intelligent coal gangue 2024年3月15日  Coal gangue spontaneous combustion has caused serious environmental and ecological problems To investigate the reaction kinetic parameters of the gangue and the exothermic characteristics of the spontaneous combustion of the influence of the law, this study employs the thermogravimetric method to explore the characteristic parameters of the Study on Pyrolysis and Oxidation Characteristics of Coal Gangue 2015年2月18日  The reuse of coal gangue for energy recovery is developing rapidly in China, due to its advantage in achieving both economic and environmental benefits Lowquality coal is often added to elevate the calorific value of the fuel In this paper, the combustion characteristics as well as pollutant emissions (SO2 and NO) of coal gangue, lowquality coal and their blends Cocombustion and emission characteristics of coal gangue

Temperature Distribution Regularity and Dynamic Evolution

2023年4月7日  The serious environmental pollution caused by the spontaneous combustion of coal gangue has become a problem which cannot be ignored in the world mining industry2024年9月1日  As a byproduct of coal production, coal gangue, if not handled properly, will pose an important hidden danger to the environment and safety Using underground intelligent coal gangue sorting technology can increase efficiency, protect the environment, and enhance safety, which is essential for achieving efficient and ecofriendly coal productionResearch and prospect of underground intelligent coal gangue 2022年8月26日  In 2014, M Mochizuki et al discussed the advantages of using hot rods in the prevention and control of coal gangue mountains, analyzed the technical difficulties of using hot rods in the spontaneous combustion of coal gangue mountains to remove heat and cool down, and studied the heat transfer and cooling of coal spontaneous combustion Study on Thermodynamic Characteristics and Heat Transfer 2023年8月20日  The coal gangue mountain present here has a height difference of more than 60 m, a slope of 15–40°, and gravel and stones greater than 1 mm account for more than 80% of the soil The Effects of Vetiveria zizanioides on the Restoration and

Effects of Vetiveria zizanioides on the

2022年10月6日  The restoration of vegetation on coal gangue mountains has always been an area of concern, and therefore, an important area of research Liupanshui city in Guizhou province, China, has a large number of coal 2024年4月1日  Coal gangue power generation is presently the primary method of comprehensively utilizing coal gangue to achieve economic profits [157] Coal gangue is composed of carbon and other flammable substances, which can produce heat when burned This heat can be utilized for the purposes of power generation and heating [158] Coal gangue can Environmental hazards and comprehensive utilization of solid waste coal To further study the problem of spontaneous combustion of coal gangue mountains, a multifield coupled simulation model was established based on the mathematical models of temperature field, gas Mechanism of spontaneous combustion of coal Coal gangue is the byproduct of coal mining and preparation Due to its susceptibility to spontaneous combustion, it causes significant environmental hazards when piled up in open dumps The fire not only harms the environment but also poses health risks to nearby residents Therefore, accurately identifying the location and extent of the coal gangue dump fire is crucial [PDF] Monitoring Burning Coal Gangue Dump Based on the

Identification and Activation of Coal Gangue and

2020年4月14日  Coal gangue is a rock mixed with organic and inorganic compounds codeposited with coal during coal formation Usually in a thin layer and in the coal seam or in the top and bottom of the coal seam, gangue is typical solid waste discharged when coal is excavated and washed in the production And the best burning temperature as can be seen 2024年9月7日  The persistent reliance on coal has resulted in the accumulation of substantial coal gangue, a globally recognized problematic solid waste with environmental risks Given the coal gangue properties and global land degradation severity, the resourceful utilization of coal gangue as soil conditioners is believed to be a universally applicable, costeffective, high Opportunities, challenges and modification methods of coal gangue 2024年3月14日  With the continual advancement of coal resource development, the comprehensive utilization of coal gangue as a byproduct encounters certain constraints A substantial amount of untreated coal gangue is openly stored, particularly acidic gangue exposed to rainfall The leaching effect of acidic solutions, containing heavy metal ions and other Environmental impact assessment of acidic coal gangue2024年4月17日  Mountaintop removal and valley fill mining has affected large areas of the Appalachian Mountains in West Virginia and Kentucky This type of coal extraction involves removing the tops of mountains with explosives In 2022, CO 2 emissions from burning coal for energy accounted for about 19% of total US energyrelated CO 2 emissions and for Coal explained Coal and the environment US Energy

Enhancing Fatigue Performance of Coal Gangue Concrete

2024年4月15日  Coal gangue is a byproduct of coal mining and processing, and according to incomplete statistics, China has amassed a substantial coal gangue stockpile exceeding 2600 large mountains, which poses a serious threat to the ecological environment Utilizing gangue as a coarse aggregate to produce gangue concrete (GC) presents a promising avenue for Sustainability 2023, 15, 8761 4 of 17 The restoration of coal gangue hills is a challenging task as it faces problems such as high energy consumption, high costs, and low efficiency, especially The Feasibility Analysis of Ecological Photovoltaics from 2021年11月30日  Incomplete data indicate that coal gangue is accumulated in China, with over 2000 gangue hills covering an area exceeding 200,000 mu and an annual growth rate surpassing 800 million tonsRoad performance analysis of cement stabilized coal gangue mixture2020年2月20日  A large amount of coal gangue buildup may be a potential fire hazard associated with the heat released by microorganisms accumulating to the point of spontaneous combustion in the presence of unburned coal, pyrite (FeS 2) and oxygenCoal gangue is likely to cause largescale fire and blast disasters, and produce a significant amount of toxic emissions Reactivity activation of waste coal gangue and its impact on

A review on the mechanism, risk evaluation, and

2017年9月18日  In recent years, the ecology, security, and sustainable development of modern mines have become the theme of coal mine development worldwide However, spontaneous combustion of coal under conditions of 2020年6月26日  The results suggested that coal gangue significantly influences soil S, pH and plant species after 8 years of natural recovery The CKfar plots contained relatively low soil sulfur content Excess sulfur and Fe elements drive changes in soil and1 天前  Coal mining and coal combustion in power plants produce several types of wastes: The mining process itself produces waste coal or solid mining refuse, which is a mixture of coal and rock; The mining process also produces liquid coal waste, which is then stored in impoundments; Pollution control equipment used for coal combustion produces coal ash or fly ash, as well as Coal waste Global Energy Monitor2024年4月16日  mountain, and ground filling of coal gangue The results demonstrated that: ① The key to largescale ecological utilization of coal gangue is prevention and control of environmental contamination Largescale ecological utilization of coal煤矸石规模化生态利用原理与关键技术

(PDF) Study on Pyrolysis and Oxidation Characteristics of Coal Gangue

2024年3月15日  Coal gangue spontaneous combustion has caused serious environmental and ecological problems To investigate the reaction kinetic parameters of the gangue and the exothermic characteristics of the 2021年4月4日  Coal and coal gangue spontaneous combustion (CGSC) occurs globally, causing significant environmental pollution However, its emissions are poorly quantified and are overlooked in global or regional air pollutant emission inventories in previous studies, resulting in the underestimation of its impacts on climate, environment, and public healthAmbient PM25 and Related Health Impacts of Semantic 2022年8月2日  The existence of coal gangue seriously restricts coal selection rates and quality, so the separation of coal gangue is a vital step in coal production and is an important method of improving coal Present situation and prospect of coal gangue treatment 2023年5月29日  Coal gangue hill photovoltaic laying schematic diagram Figure 7 Coal gangue hill photovoltaic laying schematic diagram Sustainability 2023, 15, x FOR PEER REVIEW 13 of 18The Feasibility Analysis of “Ecological Photovoltaics” from Coal Gangue

Research on the fire extinguishing performance of new gel

2023年7月12日  Coal gangue, as an associated product of coal mining, can cause a large number of piles to undergo slow oxidation and spontaneous combustion, resulting in the production of toxic and harmful gases, leading to casualties, environmental damage, and economic losses Gel foam has been extensively employed as a fireretardant material in coal 2023年8月10日  coal gangue mountains, with a total of approximately six billion tons of coal gangue, and this number is increasing by twenty to thirty million tons annually More than twothirds able to cover the surface of the burning material and has excellent antireburning properties (Qin et al 2014; Zhang et al 2017; Shi and Qin 2021) Xi and Shi Research on the fire extinguishing performance of new 2024年3月20日  Abstract The effect of adding coal gangue (CG) under different ratios, temperatures and atmospheres on the slagging of wheat straw (WS) combustion was studied in a tubular furnace At 800°C, there was obvious agglomeration and melting on the ash surface, caused by the reaction of alkali metal elements and alkali earth metal elements with SiO2 to Investigation of Coal Gangue on Mitigating Slagging of 2024年9月1日  As a byproduct of coal production, coal gangue, if not handled properly, will pose an important hidden danger to the environment and safety Using underground intelligent coal gangue sorting technology can increase efficiency, protect the environment, and enhance safety, which is essential for achieving efficient and ecofriendly coal productionResearch and prospect of underground intelligent coal gangue

Study on Pyrolysis and Oxidation Characteristics of Coal Gangue

2024年3月15日  Coal gangue spontaneous combustion has caused serious environmental and ecological problems To investigate the reaction kinetic parameters of the gangue and the exothermic characteristics of the spontaneous combustion of the influence of the law, this study employs the thermogravimetric method to explore the characteristic parameters of the 2015年2月18日  The reuse of coal gangue for energy recovery is developing rapidly in China, due to its advantage in achieving both economic and environmental benefits Lowquality coal is often added to elevate the calorific value of the fuel In this paper, the combustion characteristics as well as pollutant emissions (SO2 and NO) of coal gangue, lowquality coal and their blends Cocombustion and emission characteristics of coal gangue 2023年4月7日  The serious environmental pollution caused by the spontaneous combustion of coal gangue has become a problem which cannot be ignored in the world mining industryTemperature Distribution Regularity and Dynamic Evolution 2024年9月1日  As a byproduct of coal production, coal gangue, if not handled properly, will pose an important hidden danger to the environment and safety Using underground intelligent coal gangue sorting technology can increase efficiency, protect the environment, and enhance safety, which is essential for achieving efficient and ecofriendly coal productionResearch and prospect of underground intelligent coal gangue

Study on Thermodynamic Characteristics and Heat Transfer

2022年8月26日  In 2014, M Mochizuki et al discussed the advantages of using hot rods in the prevention and control of coal gangue mountains, analyzed the technical difficulties of using hot rods in the spontaneous combustion of coal gangue mountains to remove heat and cool down, and studied the heat transfer and cooling of coal spontaneous combustion 2023年8月20日  The coal gangue mountain present here has a height difference of more than 60 m, a slope of 15–40°, and gravel and stones greater than 1 mm account for more than 80% of the soil The Effects of Vetiveria zizanioides on the Restoration and

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