Spontaneous combustion remains a danger to U.S. underground coal mines, especially in western mines where coal is usually of a lower rank. Approximately 15% of the 164 total recorded fires were caused by spontaneous combustion of …
Get a quoteThe self-combustion process was auto-catalytic and self-propagating in nature which resulted in instant high temperatures (higher than 1000 °C) that helped to form perovskite structure. TG curve ( Fig. 5) shows that the oxidation of the precursor went to completion as low as 370 °C, much lower than other methods.
Get a quoteIn this report, the influence of pre-oxidation degree and ventilation flow on the parameters of spontaneous combustion of coal (temperature, gas concentration, and exothermic intensity) was studied in six sets of programed temperature experiments. The experimental results showed that the pre-oxidation exerted a positive effect on the …
Get a quoteMost related items These are the items that most often cite the same works as this one and are cited by the same works as this one. Ma, Liyang & Zhang, Lan & Wang, Deming & Xin, Haihui & Ma, Qiulin, 2023. "Effect of oxygen-supply on the reburning reactivity of pyrolyzed residual from sub-bituminous coal: A reactive force field molecular dynamics simulation," …
Get a quoteSpontaneous combustion or spontaneous ignition, as it is often called, is the occurrence of fire without the application of an external heat source. Due to chemical, biological, or physical processes, combustible materials self-heat to a temperature high enough for ignition to occur. According to the National Fire Protection Association (NFPA ...
Get a quoteComparison and analysis of spontaneous combustion control between coal storage silos and biomass Energy ( IF 9) Pub Date : 2023-11-11, DOI: 10.1016/j.energy.2023.129623 Liyang Gao, Bo Tan, Long Fan, Haiyan Wang, Xiaomeng Li, Wei Lu, Yuangang Jiang
Get a quote1. Introduction Spontaneous combustion of solid combustible substances is a frequent cause of many fires and explosions during storage, handling and transport of many materials. Therefore, it presents permanent danger to health, property, and environment. The ...
Get a quoteCoal gangue contains around 15% coal and other combustible materials, which, in an environment with sufficient oxygen and good thermal storage, can oxidize and generate heat (Sun et al. …
Get a quoteDOI: 10.1016/j.renene.2024.120683 Corpus ID: 269922950 Self-heating and spontaneous ignition of biomass storage piles: Towards a reliable prediction tool @article{Yin2024SelfheatingAS, title={Self-heating and spontaneous ignition of biomass storage piles ...
Get a quoteand control of spontaneous combustion of sour oil storage tanks. Schematic diagram of storage tank ... the external environment and air, and the energy equation is given as follows: λ ∂ 2 T ∂ ...
Get a quotehighly pressured storage technology is facing the threat of spontaneous combustion of high-pressure ... Sarkar, A.; Banerjee, R. Net energy analysis of hydrogen storage options. Int . J. Hydrogen ...
Get a quotedistribution of temperature field in the depth of gangue pile and kinetics reaction mechanism of spontaneous combustion. Keywords Coalgangue .Spontaneouscombustion …
Get a quoteSpontaneous combustion often occurs when carbonaceous materials are stored for a long time. Up to now, domestic and foreign scholars have done a lot of research on the …
Get a quoteSpontaneous combustion has been a real source of fires and explosions in underground coal mines. Modern mining needs high capital investment. Interruption or the closure of a …
Get a quoteDuring coal storage and transportation, spontaneous combustion occurs occasionally. Heat pipes, as new fire prevention technology, have been applied and …
Get a quotewith respect to the primary energy production and consumption structure, accounts for 68.8% and 57.7%, and for a long time into the future, coal will remian the dominant energy source in China.2 At present, more than 90% of China''s coal seam is classifiedas
Get a quoteAiming at the positioning problem of spontaneous combustion of PISs, Liu and Hu (2013) and Shao et al. (Shao et al., 2013) used a finite element analysis method to simulate the temperature field of oxidation to spontaneous combustion of …
Get a quoteThey also gain widespread use in large-scale applications such as grid-scale energy storage systems and electric transportation to face the global challenges of fuel shortage and environmental ...
Get a quoteThe current research includes four main hot spots: hydrogen''s production and storage, the research on high-pressure hydrogen spontaneous combustion behavior. And the combustion characteristics of mixed combustible gases such as hydrogen and methane, the flame propagation characteristics of high-pressure hydrogen spontaneous …
Get a quoteThe self-ignition temperature, the safe pile storage dimension and the activation energy of the rubber woodchip pile were determined by Frank-Kamenetskii approach. The woodchip samples with 278 kg/m 3 and 458 kg/m 3 of the bulk densities and 10.6% w.b. (wet basis) and 46.1% w.b. of the initial moisture contents were used. ...
Get a quoteRefuse-derived fuel (RDF), a high-caloric material, is used by various combustion processes, such as power plants, as alternative fuel. Several explosion …
Get a quoteExperimental research on inhibitory effects of Ca 2+ /Mg 2+ on coal spontaneous combustion based on activation energy theory. International Journal of Ambient Energy 2022, 43 (1), 1167-1172.
Get a quoteThe storage of unsorted industrial waste (IND) fuel and refused-derived fuel (RDF) in piles at two different locations in Sweden was investigated. The objective was to assess the feasibility of waste storage in open areas for later energy utilization, and to study the physical, biological and chemical processes that occur during storage, by monitoring a …
Get a quotespontaneous combustion, the outbreak of fire without application of heat from an external source.Spontaneous combustion may occur when combustible matter, such as hay or coal, is stored in bulk begins with a slow oxidation process (as bacterial fermentation or atmospheric oxidation) under conditions not permitting ready dissipation of heat—e.g., in …
Get a quoteOne obvious means of assessing the potential for CSC is to monitor the coal temperature. However, because coal is a poor conductor of heat, existing equipment cannot necessarily detect changes in coal temperature over a wide physical range with sufficient accuracy. 9,10 The energy released by a coal fire is primarily generated by the sequential …
Get a quoteIn order to study various influencing factors of spontaneous combustion accidents of sulfur-containing oil storage tanks, this paper constructed a two-dimensional model of the storage tank wall by COMSOL Multiphysics software. The proposed model takes temperature change trend as an observation index to explore the heat transfer …
Get a quoteDOI: 10.1016/j.energy.2023.129623 Corpus ID: 265138899 Comparison and analysis of spontaneous combustion control between coal storage silos and biomass silos @article{Gao2023ComparisonAA, title={Comparison and analysis of spontaneous combustion control between coal storage silos and biomass silos}, author={Liyang Gao …
Get a quoteThe development of the spontaneous combustion of coal is a complicated process. Many scholars have chosen experimental methods to analyze the oxygen consumption, products, and thermal effects at different stages of coal spontaneous combustion. 20-26 These analyses have provided the necessary theoretical support for …
Get a quoteAM has a developed pore structure that leads to enhanced oxygen adsorption and limited heat transfer, easy to induce spontaneous combustion. The main …
Get a quoteA — Failure to take fire protection measures,B — Ignorance, C — Negligence and carelessness,D — Accidents, Faulty electrical equipmentE — Splash,COMMON CAUSES OF FIRE Incorrect placement of stove / heating systems, placing easily flammable liquids
Get a quoteThis paper is based mainly in two spontaneous combustion events: one in an industrial waste (IND) fuel storage pile and another in a refused-derived fuel (RDF) pile. Physical, chemical and biological processes occurring during storage were studied and a theoretical explanation for the spontaneous ignition developed, based on previous …
Get a quoteSpontaneous combustion often occurs when carbonaceous materials are stored for a long time. Up to now, domestic and foreign scholars have done a lot of research on the spontaneous combustion mechanism of coal and biomass fuel, monitoring methods and prevention measures, and achieved fruitful results. It is worth noting that coal and …
Get a quotewhere α is the conversion degree, β is the heating rate ( C/min), A is the pre-exponential factor (1/s), T is the temperature ( C), E α is the apparent activation energy (kJ/mol), and R is the universal gas constant.To explore the apparent activation energy (E α) during oxidative combustion of coal, non-isothermal and multi-heating rate methods …
Get a quoteIn order to understand the risk factors of spontaneous combustion fire during the storage process of a biomass pile, the effects of various factors on its self …
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