石炭二叠系高瓦斯近距离煤层组自然发火预测预报综合指标体系

The Study about Comprehensive Index System of Spontaneous Combustion Prediction in Permo-carboniferous High Gas Close Distance Coal Seams

针对西山矿区石炭二叠系矿高瓦斯近距离煤层组自然发火的特点,研究了煤升温氧化过程中气体产物规律及特性,分析与优选了煤样自然发火标志气体,系统性地建立了适用于石炭二叠系煤层的包括碳氢气体产物的绝对量、相对量、比值、二次推导系数在内的自然发火预测预报综合指标体系。

Aiming at the spontaneous combustion characteristics of permo-carboniferous high gas close distance coal seams in Xishan mine area,this paper studied the rules and characteristics of gas products in the process of coal oxidation,analyzed and optimized the indicated gas of coal spontaneous combustion,systematically established comprehensive index system of spontaneous combustion prediction including absolute,relative volume and second derivation coefficient of hydrocarbon gas products,which is suited for Permo-Carboniferous coal seam.