面向智能光电分选的矿石流仿真与工艺优化  

Simulation and Optimization of Ore Processing for Intelligent Photoelectric Sorting

作　　者：王凡 刘龙繁 肖罡 胡航 蔺永诚[2] 陈泽佳 WANG Fan;LIU Longfan;XIAO Gang;HU Hang;LIN Yongcheng;CHEN Zejia(Jiangxi Copper Technology Institute Co.,Ltd.,Nanchang 330500,China;College of Mechanical and Electri-cal Engineering,Central South University,Changsha 410017,China;College of Mechanical and Vehicle Engi-neering,Hu'nan University,Changsha 410082,China)

机构地区：[1]江西铜业技术研究院有限公司,江西南昌330500 [2]中南大学机电工程学院,湖南长沙410017 [3]湖南大学机械与运载工程学院,湖南长沙410082

出　　处：《铜业工程》2025年第2期10-18,共9页Copper Engineering

基　　金：国家重点研发计划项目(2023YFC3904200);江西省自然科学基金杰出青年基金项目(20224ACB218002);江西省重大科技研发专项资助项目(20232ACE01010)资助。

摘　　要：数值仿真技术能够全过程捕捉物理量与运动信息,实现光电分选系统中多个子系统运行参数的监测与优化。本文对数值仿真技术在光电分选过程中矿石给料布料、输运检测和分选执行等三个子系统中的应用进行了详细论述。在给料布料系统中,利用离散元法(DEM)可优化给料均匀性,从而提高给料系统的处理量和稳定性;在运输检测系统中,利用DEM或DEM耦合有限元法分析(FEA)可追踪矿石运输信息,优化传送带的设计和运行参数,从而提高矿石输送的效率和稳定性;在分选执行系统中,利用CFD-DEM耦合仿真技术可优化喷嘴结构,优化喷嘴设计和布置参数,捕捉被喷吹矿石的运动轨迹,从而加快推进设备的优化与升级。随着计算机性能的不断提高,可开发实时仿真系统和在线优化系统参数,并结合当前人工智能的发展成果,进一步提高光电分选设备的自动化和智能化程度。在光电分选系统的后续研究中,数值模拟技术将继续发挥重要作用,为矿石资源的高效利用和绿色选矿提供技术支持。Numerical simulation,with its own characteristics of capturing physical quantities and motion information in the whole process,can realize the monitoring and optimization of the operating parameters of multiple subsystems in photoelectric sorting.In this paper,the application of numerical simulation in the three systems of ore feeding,transportation detection and sorting in the photoelectric sorting process is discussed in detail.The use of discrete element method(DEM)in the feeding system can optimize the uniformity of feeding,improve the feeding system capacity and increase the stability of the system operation;the use of DEM or DEM-coupled finite element analysis(FEA)in the transportation detection system can be used to track and locate the ore,optimize the design of the conveyor belt and the operating parameters,and promote the efficiency and stability of the ore transport;the use of CFD-DEM in the sorting system can be used to optimize the efficiency and stability of the ore transport,which to optimize the nozzle structure,nozzle layout parameters and operating factors to match the design and capture the trajectory of the blown ore,greatly enhancing the optimization and upgrading process of the equipment.With the increasing improvement of computer performance,real-time simulation and online optimization of process parameters can be developed,combined with the current trend of artificial intelligence,to further improve the intelligence and automation of the photoelectric sorting equipment is the direction of development of this technology in the future.Numerical simulation will continue to play an important role in the subsequent research and development of the photoelectric sorting system,providing technical support for the efficient utilization of ore resources and green beneficiation.

关 键 词：光电分选 数值模拟 选矿工艺过程优化 离散元法 计算流体动力学 

分 类 号：TD95[矿业工程—选矿]