33 3 Vol 33 No 3 2012 6 Journal of Jinan University Natural Science Jun 2012 1 2 2 1 2 528436 CFDesign CFDesign TQ430 6 + 64 A 1000-9965 2012 03-0316 - 07 Numerical simulation for gas and liquid particles flowing rule in spray fluidized drying process XIE Min 1 ZENG Yasen 2 GUO Xiao-yan 2 1 Department of Biological Medicine 2 Department of Equipment Manufacturing Zhongshan Torch Polytechnic Zhongshan 528436 China Abstract The flowing rule for the gas and liquid particles has been analyzed by simulating spray fluidized drying process in the CFDesing dry tower model The dry tower model with CFDesing was been designed The field of velocity pressure stress vortex energy for gas particles the field of velocity pressure for liquid particles and the liquid particles movement track were been simulated by using the model The simulating data and charts prove that the velocity stress pressure of the gas particles are proportional to the whisk's rotation rate and the velocity of the liquid particles near the central axes and borderline is most equal Key words spray fluidized drying simulation distribution gas liquid particle CFD Computational Fluid Dynamics Jaworski 3 FLUENT 2 ~ 3 1 Montante G 2 2011-10 - 08 A301020302 20114A233 1964 -
3 317 4-10 CFDesign 2 1 CFDesign CFDesign CAD 2 1 2 3 3 1 1 3 ~ 5 400 r /min 5 3 6 240 mm 1
318 33 6 3 2 7 ~ 9 7 4 5 8
3 319 min 813 pa 4 5 m /s 220 mm 240 mm V 9 3 10 11 10 4 11 800 r /min 12 12 ~ 15 3 6 12 13 7 8 9 14 15 400 r / 13 800 r /min 800 r /min
320 33 18 14 800 r /min 15 800 r /min 16 3 2 CFdesign 1 16 2 17 3 18 17
3 321 18 1 050 g /cm 3 20 98 kg /h 78 8 m /s 0 4 Mpa 400 r /min 1 450 m 3 /h 300 m 3 /h 550 m 3 /h 19 20 21 19 21 450 m 3 /h 3 3 2 400 r / min 600 r /min 22 23 450 m 3 /h 90 55 813 pa 4 5 m /s 22 23
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