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- W2393399171 abstract "The gas-solid two phase flow field in vertical mill classifier was simulated numerically with computational fluid dynamics(CFD),in which the discrete phase fluid model(DPM) and RNG k-e turbulence model were applied.After comparatively analysing the velocity field,the stress field and the equipment classification efficiency under different operating parameters,the influence law of rotation speed of turn cage and air quantity of system to the grading flow field of classifier was acquired,and the experimental research was made.The results show that the lower speed of turn cage and bigger air quantity of system causes the production of positive vortexes between the retreative faces of blades,and the higher speed of turn cage and smaller air quantity of system brings the production of reverse vortexes between the entrance faces of blades.The production of positive and reverse vortexes exacerbates the speed fluctuation between grading blades,and impacts seriously on the stability of the grading flow field,but also leads to the increase of cycle load.Synthesizing the numerical simulation and experimental analysis,the best matching parameters of vertical mill classifier SMG5500 are that the air quantity of system is 5 500 m3/min and the rotation speed of turn cage is 55 r/min." @default.
- W2393399171 created "2016-06-24" @default.
- W2393399171 creator A5037005403 @default.
- W2393399171 date "2012-01-01" @default.
- W2393399171 modified "2023-09-23" @default.
- W2393399171 title "Numerical Simulation on Effect of Operation Parameters on Grading Flow Field of Vertical Mill Classifier" @default.
- W2393399171 hasPublicationYear "2012" @default.
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