分源预测法预测矿井瓦斯涌出量的误差来源分析

Analysis of Predicting Error Source of Mine Gas Emission Rate by Different Source Method

为了进一步提高矿井瓦斯涌出量预测的可靠性,确定合理通风设计和制定瓦斯防治措施。通过用分源预测法对试验矿井采掘工作面瓦斯涌出量的预测,将分源预测结果与实际采掘工作面的瓦斯涌出作比较,分析了分源预测瓦斯涌出量误差的来源及原因。结果表明,分源预测法预测矿井瓦斯涌出量误差主要由煤层瓦斯含量、采掘工艺、煤层赋存3方面引入。

For further increasing the reliability of mine gas emission rate, determining a reaonable ventilation design and making the gas prevention and control measures based on the mine gas emission prediction of testing driving face and excavating face by the predicted method by different gas source, contrasts the prediction result with real gas emission rate, and analyses the source of error on the prediction method by different gas source. The results show that the prediction of mine gas emission rate by the method of different gas source are the seam gas content, excavating and driving technique, and coal seam storage.