川南建工通风知识培训.ppt

1、川南建工通风知识培训,Your company slogan in here,防治煤与瓦斯突出培训,煤与瓦斯突出概况 二、瓦斯动力现象分类 三、煤与瓦斯突出特征 四、煤与瓦斯突出一般规律 五、煤与瓦斯突出机理研究概况 一、煤与瓦斯突出概况 煤矿地下采掘过程中，在很短时间(数分钟)内， 从煤(岩)壁内部向采掘工作空间突然喷出煤(岩) 和瓦斯的现象，人们称为煤(岩)与瓦斯突出， 简称瓦斯突出或突出。它是一种伴有声响和猛 烈力能效应的动力现象，它能摧毁井巷设施， 破坏矿井通风系统；使井巷充满瓦斯和煤(岩) 抛出物，造成人员窒息、煤流埋人，甚至可能 引起瓦斯爆炸与火灾事故，导致生产中断等， 因此它是煤

2、矿最严重的灾害之一。,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Contents 1,Contents 2,CONTENTS,Click to edit title style,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Description of the contents,Description of the contents,

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