【作者】 李江涛；

【导师】 王魁军；

【作者基本信息】 煤炭科学研究总院 ， 安全技术及工程， 2009， 硕士

【摘要】 本论文从研究多元气体在常压及高低压状态下的放散规律入手,通过大量实验室实验,研究了煤对包含二氧化碳、甲烷、氮气等不同组份多元气体吸附、放散能力的差异,以及多种混合气体吸附条件下放散气体组份随时间的变化规律。单组分气体的放散规律取决于吸附剂与吸附气体本身的物理化学性质,而混合气体的放散规律不仅与各组分的性质有关,还与各组分在多元气体中的组成有关,其中某一组分的放散除其本身的物理化学性质因素之外,还与其它组分对其制约有直接关系,各组分的放散量变化又与时间成函数关系。研制气样混合器及气样采集装置。气样混合器可将不同气体以一定比例混合,并作为吸附量和放散速度测定装置的气源。气样采集装置可以采集游离相混合气体,用于其成份的分析。通过分析甲烷在含有二氧化碳、氮气等气体后对放散初速度煤质指标的影响的实验,得出了多元煤层气体对突出危险性的影响规律,提高了区域预测中放散初速度煤质指标的预测准确率。项目由2006年煤炭科学研究总院青年创新基金资助(多元气体放散规律研究,项目编号:2006QN08)。更多还原

【Abstract】 In this paper, multi-gas at atmospheric pressure and under high pressure to start the emission laws, through laboratory experiments to study the coal containing CO₂, CH₄, N₂ and other multi-component gas adsorption, the difference in emission capacity, and a variety of mixed-gas adsorption conditions of decentralization were scattered gas group change over time. One-component gas emission laws and Absorption depends on the gas adsorbent of the physical and chemical properties of its own, and mixed-gas emission laws and not only the nature of each component, but also with the components in the composition of multi-gas, and one of In addition to the emission of a fraction of its physical and chemical properties of its own factors, but also with other components have a direct bearing on its constraints, the emission of each component changes with time into a function.Development of gas samples and gas samples collected mixer device. Gas mixer can be a different kind in a certain proportion of mixed gas, and as the speed of adsorption and emission of the gas measuring device. Gas sample collection device can be mixed collection of free gas, for the analysis of its components.Experimental Analysis of coal-bed methane resulted in a multi-body highlights the dangers of the impact of the law, improve the prediction of regional emission coal initial velocity of the target prediction accuracy.更多还原