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喷雾干燥过程的数值模拟
引用本文:陈有庆,胡志超,胡良龙,王海鸥,刘相东. 喷雾干燥过程的数值模拟[J]. 农机化研究, 2008, 0(10)
作者姓名:陈有庆  胡志超  胡良龙  王海鸥  刘相东
作者单位:1. 农业部南京农业机械化研究所,南京,210014;中国农业大学工学院,北京,100083
2. 农业部南京农业机械化研究所,南京,210014
3. 中国农业大学工学院,北京,100083
摘    要:
利用CFD模型对新型减水剂喷雾干燥过程进行了数值模拟,得到了干燥过程中干燥塔内气体湿度、速度和温度分布,以及颗粒运动的轨迹、直径变化和停留时间等详细信息,为新型减水剂的干燥设备选型与操作参数优化等提供了参考。模拟结果表明,利用喷雾干燥的方法对该新型减水剂的干燥是可行的。

关 键 词:喷雾干燥  数值模拟  新型高效减水剂  CFD模型

Numerical Simulation of Spray Drying
CHEN You-qing,HU Zhi-chao,HU Liang-long,WANG Hai-ou,LIU Xiang-dong. Numerical Simulation of Spray Drying[J]. Journal of Agricultural Mechanization Research, 2008, 0(10)
Authors:CHEN You-qing  HU Zhi-chao  HU Liang-long  WANG Hai-ou  LIU Xiang-dong
Abstract:
Spray drying process of new high range water reducing admixture was simulated using the computational fluid dynamics method. Humidity, velocity, and temperature of air phase, and locus, diameter changes and residence time of particles in the drying tower were presented and analyzed. The simulation results provided some academic foundations and guidances for choosing drying equipment and optimum drying operating parameters, and showed that it was feasible to use the spray drying method for drying the new high range water reducing admixture.
Keywords:spray drying  numerical simulation  new high range water reducing admixture  CFD model
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