【摘要】 论述了保护层开采和瓦斯抽采对于煤矿安全生产的重要性及对环境保护的意义,并阐明了其理论依据.介绍了适合我国煤层赋存条件的立体化瓦斯抽采新技术,并举例说明了保护层开采和立体化抽采技术所取得的效果及其对遏制瓦斯灾害、充分利用资源的重要性.更多还原

【Abstract】 The importance of protective layer mining and gas extraction for the safety in coal mines and the significance for environmental protection are discussed in the paper. The theoretical basis is clarified. The three-dimensional new gas extraction technology for the conditions of China’s coal seam is described. The effect of protective layer mining and three-dimensional extraction technologies and its importance of containing gas disaster and fully using the resources are illustrated by examples.更多还原