论文部分内容阅读
利用电加热炉对煤样进行氧化升温实验,对不同温度下煤样所释放的气体浓度利用气相色谱仪进行测定,对煤样温度、O2浓度、各气体浓度之间的关系进行分析和研究,确定该煤层各氧化阶段的指标性气体,对煤层自然发火预测和自燃火灾的防治具有重要的指导意义。
The electric heating furnace was used to carry out the experiment of oxidation and temperature increase of coal samples. The gas released from the coal samples at different temperatures was measured by gas chromatography. The relationship between the temperature of the coal sample, the O2 concentration and the gas concentrations was analyzed and studied. The determination of the indicator gas in each oxidation stage of the coal seam has important guiding significance for the prediction of spontaneous combustion of coal seam and the prevention and treatment of spontaneous combustion fire.