中国农业大学学报2018，Vol.23Issue(6)：151-159,9.DOI:10.11841/j.issn.1007-4333.2018.06.17
U形筒螺旋输送机输送颗粒物料的离散元仿真
Discrete element simulations on the transporting particle materials of U-shape screw conveyor
摘要
Abstract
The dynamic process of conveying particles of U-shaped tube screw conveyor and circular tube screw conveyor was studied by the combination of experiment and discrete element method. The results showed that:1)There was mass accumulation fluctuation in the conveying of particles with U-shaped tube screw conveyor and circular tube screw conveyor, and the fluctuation gradually decreased with the increase of rotating speed and inclination angle;2)The efficiency of the U-shape tube was higher than round tube at 0-60°. However, the efficiency of the round tube exceeds the U-shape tube under the inclination angle was larger than 60°. Besides, the relationship between transport efficiency and rotational speed was no-linear, which remained stable after rotational speed exceeded an upper limit value;3)Particles at the feed hopper displayed larger compressive forces than those at other places, and the circular tube was larger than the U-shape tube in feed hopper, which increased the rotational speed and the particles compressive force tended to be stable.关键词
螺旋输送机/颗粒/离散元法/仿真/U形筒Key words
screw conveyor/particle/discrete element method/numerical simulation/U-shape tube分类
数理科学引用本文复制引用
刘春飞,李艳洁,王玉,徐泳..U形筒螺旋输送机输送颗粒物料的离散元仿真[J].中国农业大学学报,2018,23(6):151-159,9.基金项目
中央高校基本科研业务费专项资金资助(2016ZCQ08) （2016ZCQ08）
国家自然科学基金项目(11202031) （11202031）
