间接确定石灰岩体的瓦斯含量及其在工作面瓦斯涌出量预测中的应用  

Indirect Determination of Limestone Body Gas Content and Its Application in the Forecast of Gas Emission in Working Face

作　　者：张劲松[1,2] 

机构地区：[1]煤炭科学研究总院沈阳研究院,辽宁沈阳110016 [2]煤矿安全技术国家重点实验室,辽宁抚顺113122

出　　处：《煤矿安全》2012年第12期72-74,78,共4页Safety in Coal Mines

摘　　要：煤岩体瓦斯含量的确定是预测工作面、矿井瓦斯涌出量的基础工作。一般而言,瓦斯以吸附态和游离态存在于煤岩体中。实验证明,石灰岩体的瓦斯吸附量很小。主要分析了瓦斯在石灰岩体中的赋存状态,研究并确定了石灰岩体瓦斯含量的间接计算方法,并对工作面瓦斯涌出量进行预测,取得了较高的预测精度。The determination of coal gas content was the basic work to forecast the gas emission of the working face and mine.In general,the gas existed in coal and rock in sorption state and free state.The experiment showed that the gas adsorption amount of limestone body was very little.In this paper,it mainly analyzed the gas occurrence state in limestone body,studied and determined the indirect calculation method of gas content in limestone body,and forecasted the gas emission of the working face,achieved higher prediction accuracy.

关 键 词：间接 石灰岩体 瓦斯含量 预测 

分 类 号：TD712[矿业工程—矿井通风与安全]