Research advances and perspectives on efficient intelligent screening of viscous fine-grained minerals
DUAN Chenlong
PAN Miao
HUANG Tao
SHI Wei
JIANG Haishen
QIAO Jinpeng
WANG Weinan
YU Shijie
LU Jiawang
Abstract：Mineral resources serve as fundamental assets for national economic development and defense infrastructure.Screening,a critical within the mineral processing chain,faces signifi-cant challenges with difficult-to-screen ores characterized by high surface moisture,severe sli-ming,and a high proportion of near-size particles.These characteristics often lead to the fail-ure of conventional centralized excitation rigid screening,thereby severely constraining the ef-ficient utilization of mineral resources.Addressing the bottleneck in efficiently screening vis-cous fine-grained minerals,this study elucidates two pivotal scientific issues:The dispersion behavior of multi-component aggregates and the mechanism of screen aperture blinding,and the evolution mechanism of the temporal and spatial distribution of particles under interactive impact with the screen surface.This study commenced with a systematic review of theoretical and technological advancements in screen surface structure,excitation methods,and screen machine design.Based on this foundation,a rigid-flexible coupled self-cleaning screening method and a variable-amplitude excitation technique were developed.A dynamic design proce-dure integrating key structural and process parameters was established.Furthermore,the in-telligent identification and fault early warning system for screening status were developed.These collective innovations have successfully enabled the highly efficient and deep screening of viscous fine-grained minerals,providing a viable and effective pathway for enhancing the pro-cessing efficiency of difficult-to-screen ores.
Keywords：viscous fine-grained mineralsrigid-flexible coupled screen surfacevariable-ampli-tude excitationintelligent screening
Publication Date：2025-11-30
Online Publishing Date：2026-01-09(First online date of this platform, not the publication date of the document)
Pages：16( 1310-1325 )