基于EDEM的搅拌式粮食烘干筒仓搅拌均匀性研究

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中图分类号：S226.6 文献标识码：A 文章编号：2095-5553（2025）07-0241-06

Abstract：Aimingattheproblemshighcostlongresearchdevelopmentperiodequipmentstirringeffectevaluation underdiferentdesignmovementparametersstiredgraindryingsilo，inordertindthebestdesignmotionparameters thestirred graindryingsilostiringdevice，basedonthetheoreticalstudytheforce motionasingle grainparticleunder theactionaspiralagitator，themulti-sphereclustermethodwasusedtoestablishamulti-sphereparticlemodelriceparticles onthebasisthemeasuredthreedimensionaldimensionsriceparticles，thesinglefactordiscreteelement simulationanalysisscrewagitatorspeedpitchonmixinguniformitywascarriedoutbyusing thediscreteelement simulationstwareEDEM.Theresultsshowedthatthehigher therotationalspeedthespiralagitator，thebeterthe uniformity，thebetertheuniformitycouldbeimprovedbyincreasing thepitchinacertainrange.Comprehensive analysis shows that when the spiral agitator speed is 30r/min the pitch is 110mm ，the minimum stirring variation coefcient isO.1.Theaccracythesimulationresultswasverified bytheprototypetest.Theresultsshowed thatwhen the screw agitator speed was 30r/min the pitch was 110mm ，thestirringuniformitywas higher， thedrying efficiency was increased by 25% compared with the original parameter combination.

Keywords：rice particles；dry；spiral agitator；mixing uniformity；discrete element method；EDEM stware

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国粮食作物的 1/4 。（剩余8393字）