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Motion analysis of waste rock in gas-solids fluidized bed in coal dry beneficiation

Motion analysis of waste rock in gas-solids fluidized bed in coal dry beneficiation
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摘要 Through the analysis of forces acting on the waste rock in the gas solid fluidized bed, the waste rock velocity equations and displacement equations in the gas solids fluidized bed were achieved and the influential factors of the waste rock motion in the fluidized bed were studied in this paper. The conclusions show that the primary factors influencing the waste rock motion are the waste rock grain size and the scraper velocity according to the computer simulation. This has provided the theoretical foundation both for improving the separating effect and ascertaining the length of the separating cell. Through the analysis of forces acting on the waste rock in the gas solid fluidized bed, the waste rock velocity equations and displacement equations in the gas solids fluidized bed were achieved and the influential factors of the waste rock motion in the fluidized bed were studied in this paper. The conclusions show that the primary factors influencing the waste rock motion are the waste rock grain size and the scraper velocity according to the computer simulation. This has provided the theoretical foundation both for improving the separating effect and ascertaining the length of the separating cell.
出处 《Journal of Coal Science & Engineering(China)》 2002年第2期88-92,共5页 煤炭学报(英文版)
基金 ThisprojectissupportedbyNation’s 95TackleKeyTechnologicProblemsItem (95 -2 15 -0 3 -0 1)
关键词 gas solids fluidized bed coal dry beneficiation motion analysis 干法选煤 气-固流化床 运动分析 废矿石 颗粒尺寸 计算机仿真
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参考文献4

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  • 3Beeckmans J M.Separation of mixed granular solids using the fluidized counter current cascade principle[].The Canada Joumal of Chemical Engineering.1997
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