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Enhanced axial mixing of rotating drums with alternately arranged baffles
Yu, Fuhai1,2; Zhou, Guangzheng1; Xu, Ji1; Ge, Wei1
2015-12-01
Source PublicationPOWDER TECHNOLOGY
ISSN0032-5910
Volume286Issue:DECPages:276-287
AbstractTraditional rotating drums are a popular type of tumbling mixer; however, they generally suffer from poor axial mixing with granular materials. To overcome this weakness, a system of alternately arranged baffles is presented, and its effect on particle mixing is numerically assessed using a GPU-based discrete element method. It is found that this arrangement of baffles displays better axial mixing performance than drums with (or without) traditional baffles, and that maximum mixing efficiency can be obtained through a suitable choice of baffle dimension and number. Essentially, this novel arrangement promotes the bulk movement of particles in the axial direction because of the combined radial scattering and axial guiding effects of the baffles. Together with the enhanced dispersive mixing, axial convective mixing serves to increase the axial mixing efficiency. Moreover, it is found that alternately arranged baffles produce good performance in various granular systems of rotating drums. Thus, the proposed system is a promising approach for industrial applications in more complicated mixers. (C) 2015 Elsevier B.V. All rights reserved.
KeywordGranular Materials Discrete Element Method Rotating Drums Baffles Particle Mixing Mixing Mechanisms
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.powtec.2015.08.032
Indexed BySCI
Language英语
WOS KeywordGRANULAR-MATERIALS ; PARTICLE FLOW ; BLADED MIXER ; TOTE BLENDER ; FILL LEVEL ; SEGREGATION ; PERFORMANCE ; SIMULATION ; MECHANISMS ; DYNAMICS
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Key Basic Research Program of China(2015CB251402) ; National Natural Science Foundation of China(21206167 ; "Strategic Priority Research Program" of the Chinese Academy of Sciences(XDA07080203) ; 21225628 ; 91334204)
WOS IDWOS:000364247200033
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19816
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yu, Fuhai,Zhou, Guangzheng,Xu, Ji,et al. Enhanced axial mixing of rotating drums with alternately arranged baffles[J]. POWDER TECHNOLOGY,2015,286(DEC):276-287.
APA Yu, Fuhai,Zhou, Guangzheng,Xu, Ji,&Ge, Wei.(2015).Enhanced axial mixing of rotating drums with alternately arranged baffles.POWDER TECHNOLOGY,286(DEC),276-287.
MLA Yu, Fuhai,et al."Enhanced axial mixing of rotating drums with alternately arranged baffles".POWDER TECHNOLOGY 286.DEC(2015):276-287.
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