根据颗粒在水力旋流器中的运动特点，提出了颗粒运动状态的交换构成三角马尔可夫链的观点，建立了水力旋流器分离过程的随机数学模型，并利用ＭｏｎｔｅＣａｒ┐ｌｏ方法进行了数值模拟，模拟程序中采用变参数设计，在输入一定的结构和工艺参数下，由计算机自动生成水力旋流器分离过程的级效率曲线，并给出总效率值；并计算了在不同容量下的模拟精度，结果表明样本容量越大，模拟精度越高 According to the movement characteristics of particles in a hydrocyclone, the idea of ​​changing the state of particle motion to form a triangular Markov chain is proposed. A stochastic mathematical model of the hydrocyclone separation process is established. Monte Carlo method is used to calculate the numerical value In the simulation and simulation program, variable parameter design is adopted. Under the input of certain structure and process parameters, the computer automatically generates the level efficiency curve of the hydrocyclone separation process, and gives the total efficiency value. At different capacity Simulation accuracy, the results show that the larger the sample size, the higher the simulation accuracy