随着我国煤矿掘进工作面机械化程度的提高和光爆锚喷新技术的大力推广,粉尘污染越来越突出。掘进工作面中大面积的排尘和呼吸性粉尘的降尘问题,尚未解决,严重威胁着矿工的身体健康及安全生产。 近年来国内外着手改变掘进通风方法进行除尘,即将压入式通风改为抽出式通风或 With the improvement of mechanization degree of coal mining face in China and the vigorous promotion of new technology of light burst anchor spray, the dust pollution becomes more and more prominent. The problem of dust emission of large-scale dust exhaust and respiratory dust in the heading face has not yet been solved, which seriously threatens the health and safety of the miners. In recent years, domestic and foreign embarked on the road to change the ventilation method for dust removal, ventilation is about to push-out ventilation or ventilation