郑州轻工业学院学报(自然科学版)
鄭州輕工業學院學報(自然科學版)
정주경공업학원학보(자연과학판)
JOURNAL OF ZHENGZHOU INSTITUTE OF LIGHT INDUSTRY(NATURAL SCIENCE)
2014年
3期
78-81
,共4页
离散单元法%干燥微细粒群%进料速率%密实度%分层细粒比%筛面结构参数
離散單元法%榦燥微細粒群%進料速率%密實度%分層細粒比%篩麵結構參數
리산단원법%간조미세립군%진료속솔%밀실도%분층세립비%사면결구삼수
discrete element method (DEM)%dry fine particle%feeding rate%density%fine particles ratio%structural parameter
应用离散单元法模拟和分析筛分过程,基于密实度的概念来分析结构参数与松散的关系,基于分层细粒比的概念来研究进料速率对分层的影响.结果表明,最佳松散效果的结构参数为:筛丝直径0.75 mm,筛孔尺寸0.7 mm,筛面倾角25°;最佳分层效果的进料速率为4e+04颗/s.
應用離散單元法模擬和分析篩分過程,基于密實度的概唸來分析結構參數與鬆散的關繫,基于分層細粒比的概唸來研究進料速率對分層的影響.結果錶明,最佳鬆散效果的結構參數為:篩絲直徑0.75 mm,篩孔呎吋0.7 mm,篩麵傾角25°;最佳分層效果的進料速率為4e+04顆/s.
응용리산단원법모의화분석사분과정,기우밀실도적개념래분석결구삼수여송산적관계,기우분층세립비적개념래연구진료속솔대분층적영향.결과표명,최가송산효과적결구삼수위:사사직경0.75 mm,사공척촌0.7 mm,사면경각25°;최가분층효과적진료속솔위4e+04과/s.
The numerical simulation researches about the process of vibrating screen had been done using the EDM (discrete element method).The relationship of loose and structural parameters based on the con-cept of density was analyzed.The influence of feeding rate on the laminate based on the concept of the fine particle ratio was analyzed.The result showed,the best parameters are:wire diameter is 0.75 mm,aperture is 0.7 mm,the inclination is 25°;the best feeding rate on best stratification is 4e+04 p/s.