煤矿通风研究

文章讨论了瓦斯煤矿安全生产的通风问题,使用微分方程建模得出局部通风机功率与掘进工作面瓦斯浓度的关系;根据国家《安全煤矿安全规程》确定了各巷道风量的允许范围,以巷道瓦斯浓度与断电浓度之间的差距为目标函数,在考虑了巷道的漏风系数情况下,通过数学规划求出目标函数的最大值,得到理论最优通风量,再引入矿井瓦斯涌出不均衡系数与矿井通风系数对理论结果进行了修正。

Research on the air technology of gaseous mines

The problem about air technology for safe mine production in gaseous mines is discussed in the paper. By using differential equation model, the relationship between the power of partial venting motor and gas concentration in heading face is established; after the construction of the required range of air quality in each roadway according to the nation 《Coal Mine Safety Regulation》, by using the difference between the real gas concentration and power-off required concentration in each roadway as the objective function, with also the implementation of the coefficient of mine air leakage, the maximum value of objective function is achieved by using mathematical programming, and the theoretical optimum air quantity is achieved. The theoretical results are also corrected for real world practice purpose by introducing the coefficient of disproportional gas concentration and the coefficient of ventilation.