The paper analyzes the causes of spontaneous ignition in caving mining in Shaanxi Huoshizui coal mine and puts forward reasonable prevention measures. 对陕西火石咀煤矿厚煤层放顶煤开采自然发火原因进行了分析,并提出了合理的防治措施。
The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No.3 shaft are approached. 分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素,探讨了预防煤层的自燃着火的开采技术措施。
In addition, the time series prediction model based on BP neural network was also set up by using of forecasting indexes of goaf spontaneous ignition. 为了更准确地预报煤层自然发火期,根据煤与氧反应的热平衡方程导出了煤最短自然发火期预测模型,并建立了一套实验方法。
Theories of coal spontaneous ignition were introduced, and the selecting rules of mark gases of coal spontaneous ignition were concluded. 介绍煤自燃学说和煤炭自然发火指标气体的选取原则。
Based on the ignition conditions, an incident model of Spontaneous ignition was established to determine the danger rating of goaf ignition status; 从发火条件入手,建立了采空区自然发火事故模型,确定了采空区发火现状危险等级;
The Analysis and Prevention on the Accident of Spontaneous Ignition in the Coal Bed; Application of Drift Drill Field "Exhausting while with Excavating" in Gassy Coal Mine 一起巷帮钻场煤层自燃事故的分析及防治对策巷帮钻场边抽边掘在高瓦斯煤矿的应用
Spontaneous ignition of methanol by a catalyzer at room temperature 一种在室温条件下甲醇快速燃烧的催化剂
Slope hazards risk evaluation on Spontaneous ignition of goaf was conducted. 针对采空区自然发火进行了危险性评价。
Numerical and experimental studies were conducted on the influence of the diffusion of oxygen at the boundary of the coal stockpiles on spontaneous ignition, with a one-dimensional mathematical model and an experimental model of stockpiled coal. 建立了煤堆自燃过程的一维数学模型和煤自燃过程的实验装置,研究了边界上的空气扩散对于煤自燃过程的影响。
Prevention and handling of tunnel fall of ground and coal spontaneous ignition 巷道冒顶煤炭自燃发火的预防和处理
Which may alone application too, through input the concentration information of CO, etc, to assess hazard of the spontaneous ignition and seek the optimum scheme of prevention and extinguishments for fire, etc. 也可以单独应用,通过人工输入CO浓度等信息,进行自然发火危险性评价和防灭火方案优选等工作。
Nitrogen injection can eliminate the risk of spontaneous ignition at a given height of goaf. 注氮能够消除综放采空区空间高度上的自然发火危险性。
Sodium silicate is the best inhibitor for high sulphur coals which are liable to spontaneous ignition. 对易发火的高硫煤来说,水玻璃是最好的阻化剂。
Analysis of Tendency and Hazard Degree of Spontaneous Ignition 洛市矿区煤自燃倾向性及危险程度分析
Study on Testing Method for Flash Point and Spontaneous Ignition Point of Plastics 塑料闪点和自燃点测试方法的研究
Wavelet analysis of magnetic anomaly resulted from spontaneous ignition of a multiple coal seams 多煤层自燃磁异常的小波分析
The study of spontaneous ignition of vegetable oil 植物油氧化自燃规律的研究
According to the principle of coal spontaneous ignition and characteristics of longwall mining, analyze the reason and the characteristics of spontaneous ignition and also put forward the measures of prevention. 根据煤炭的自燃发火机理和综放工作面开采特点,分析了综放工作面发火的原因和特点,并提出了防治技术措施。
Experimental Investigation into the DDS inhibitors to Suppress the Spontaneous Ignition of Coal DDS系列煤炭自燃阻化剂实验研究
Research on Comprehensive Prevention and Cure Technology of Coal Spontaneous Ignition Fire 综合防治煤炭自燃发火技术的研究
Compared with diesel fuel, the spontaneous ignition process of methanol only has a single stage. 与柴油燃料的多阶段着火特征相异,提出了甲醇自燃历程的单阶段混合着火观点。
Due to unfavorable features of methanol, such as high evaporation latent heat, high ignition temperature and difficulty for spontaneous ignition, these measures like higher compression ratio, intaking air heated are used. 根据甲醇燃料汽化潜热大、自燃温度高、直接田燃困难等特点,采用提高压缩比进气加热等措施,成功地使纯甲醇在直喷田燃方式下获得了稳定运转。
In Site Test and Investigation on Sulphide Ore Spontaneous Ignition 硫化矿石自燃发火规律现场试验研究
Influence of spontaneous ignition on coal seam mining and protective measures in Yangquan Mine 阳泉矿区煤层开采对自燃的影响及预防措施
In addition, the ascensional ventilation system has the "gas-valve" effect at the intersecting place of the ramp and the working-face increases the danger of spontaneous ignition, which the descentional ventilation system does not have. 另外,上行通风在坡道与工作面汇交处存在增加自然发火危险性的气动闸阀效应,而下行通风不存在。
Approaching on the oxidation of active radicals in coal molecular structure and the coal spontaneous ignition mechanism 煤分子中活性基团氧化与煤的自燃机制探讨
Theoretical and Experimental Evaluation on a New Technique for Preventing Spontaneous Ignition of Stockpiled Coal 抑制煤堆自燃的新方法的理论与实验研究
On the Spontaneous Ignition of Methanol 甲醇自发点火特性研究
As coal spontaneous ignition and gas outburst accident pose a serious threat to the mine production and the safety of miners, the techniques like grouting, inert gases, inhibitor and gel were used to prevent coal spontaneous ignition. 煤自燃和瓦斯事故严重威胁着煤矿安全生产和矿工的生命安全。为了防治煤自燃,国内外采用了灌浆、惰气、阻化剂和凝胶等技术,但这些技术都存在一些不足。