本文所建立的用于各种破碎筛分流程计算是属于静态模拟性的数学模型。与传统方法相比,能确定流程中各产物的粒度组成。经用PC-1500袖珍计算机计算结果表明,可以精确地计算出各产物的产率及其粒度分布。破碎流程系统计算所需的原始数据有: The calculation of various crushing and sieving processes established in this paper is a mathematical model of static simulation. Compared with the traditional method, the process can determine the particle size of each product composition. Calculated using the PC-1500 pocket calculator, it is shown that the yield of each product and its particle size distribution can be accurately calculated. The raw data required for the crushing process system calculation are: