急倾斜煤层自然发火规律及控制措施

在对急倾斜煤层采空区漏风及自然发火规律深入分析的基础上,通过改变掩护支架结构、扩大支架口通风断面、采用下行通风、减少工作面溜煤斜巷等技术措施减少急倾斜煤层采空区漏风量,从根本上降低采空区遗煤自然发火几率,为急倾斜煤层的安全生产提供科学依据。

Spontaneous Combustion Laws and Control Measures of Steep Seam

On the basis of in-depth analysis of gob air leakage and spontaneous combustion laws of steep seam,the gob air leakage volume of steep seam is reduced by changing the structure of shield support,expanding the ventilation section of support mouth,using downward ventilation,decreasing sliding coal and inclined tunnel of working face and other measures,which fundamentally reduces the chance of residual coal spontaneous combustion in gob,and provides a scientific basis for the safe production of steep seam.