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Density distribution in a heavy-medium cyclone.pdf
MiningScienceandTechnology(China)21(2011)175-179
一 ■
Densitydistributioninaheavy-medium cyclone
WangYuling.ZhaoYuemin,YangJianguo
SchoolofChemicalEngineenngandTechnology,ChinaUniversityofMining Technology,Xuzhou221008,China
A R T IC L E I N F O A B S T R A C T
Articlehistory: Heavy-medium cyclonesarewidelyusedtoupgraderun-of-minecoa1.Buttheunderstandingofflow in
Received20July2010 a cyclone containing adense medium isstillincomplete.By introducing turbulentdiflusion into
Receivedinrevisedfolm
calculationsofcentrifugalsettlingatheoreticaldistributionufnction giving thedensity fieldcanbe
30August2010
deduced.Qualiattiveanalysisofthedensi fieldineverypartofayclindricalycclonesuggestsan
Accepted18September2010
optimum designthathasexhibitedgoodseparationeffectivenessandanti-wearperformancewhenin
commercialoperation.
Copyright@ 2011.ChinaUniversityofMining&Technology.Allrightsreserved.
Keywords:
Heavy-medium cyclone
Densityfield
De nsityflow model
Optimization
The fluid within conventionalycclones moveswith axial
symmetryexceptingfortheregionsin.andaround。thetangential
Heavymedium cyclonehasbeenwidelyusedinindusttialcoal inletductandneartheapex.HoweveLnon—axisymmetricflow can
separation butresearch work on the operationalprinciples of alsobeofundinotherregion
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