综放工作面瓦斯涌出量预测研究及应用

分源预测法在对综放工作面进行瓦斯涌出预测时误差较大的原因在于未区分不同作业环节的瓦斯涌出。依据分源预测法原理将综放工作面瓦斯来源具体分为5部分,并根据瓦斯涌出规律及相关文献得到每一部分涌出量计算公式。将分源预测法与改进后公式应用于耿村煤矿13180工作面,计算所得到结果与实测值进行比较,证明改进后公式误差明显减小,可以用来预测综放工作面瓦斯涌出量。

Study and Application on Prediction of Gas Emission Value in Fully Mechanized Coal Face

The deviation of separated source prediction method is larger when it is applied in the fully mechanized coal face. Because it does not distinguish the differences of different aspects of work. Based on the separated source prediction method principle, the paper divided the gas source into five parts, and according to the laws of gas emission the calculation formulas are been putted forward. And then the separated sources prediction method and improving formulas are been used to predict the gas emission value of the 13180 coal mining face. And the result was then been compared with the measured values in the process of production. Proving that the improved formulas are more accurate and it can be as a common means.