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用于计算吹洗炮孔的耗气量的积分法以钻孔岩粉按粒度的实际和预测分布规律为根据并要求用电子计算机计算。但是在必要的时候,没有电子计算机,也可根据筛选出的数据,运用钻孔岩粉有限级数的能量求和法进行计算。吹洗炮孔所需要的压气量不仅依赖于岩粉的产生率(钻孔速度vп),而且还依赖于岩粉粒度成份的组成。在钻孔速度相同时,产生的岩粉粒度愈大,所需要的压气量愈多。因此为了
The integral method used to calculate the gas consumption of the blast hole is based on the actual and predicted distribution of the rock dust in the borehole and requires computer calculations. However, when it is necessary, there is no electronic computer. According to the selected data, the energy summation method of finite series of rock dust can be used to calculate. The amount of pressure required to purge the borehole depends not only on the rate of rock formation (borehole velocity vv), but also on the composition of the rock size component. At the same drilling speed, the larger the particle size of the rock powder produced, the more gas pressure required. So in order