煤矿基建期间井下风机布局对通风稳定性影响的研究

Study on the Influence of the Layout of the Downhole Fan on the Ventilation Stability during the Construction of the Coal Mine

以金能煤业公司井下巷道为研究对象,对不同风机布置下的涡流区、回流区、瓦斯集聚区的变化情况进行了分析,确定了最佳的风机布置结构。根据实际应用表明:当把风机设置到顺着巷道一侧且布置高度较高时,具有最佳的通风效果,能够显著地防止井下巷道瓦斯集聚,确保井下人员的安全。

Taking the underground roadway of Jineng Coal Industry Company as the research object,the variation of vortex area,reflux area and gas accumulation area under different fan arrangement is analyzed,and the best fan arrangement structure is determined.According to the practical application,it is shown that when the fan is set along one side of the roadway and the arrangement height is high,it has the best ventilation effect,which can significantly prevent the gas agglomeration in the underground roadway and ensure the safety of the underground personnel.