Numerical Simulation of Spray Drying Process for Producing Ceramic Microsphere

Journal of South China University of Technology (Natural Science Edition) ›› 2007, Vol. 35 ›› Issue (2): 107-111.

• Materials Science & Technology • Previous Articles Next Articles

Numerical Simulation of Spray Drying Process for Producing Ceramic Microsphere

Cheng Xiao-su¹ Fang Hai-xin² Liu Ze-hao³ Zhang Ying-yuan³ Wang Yue³ Wang Yong-zhao³ Liang Zhi-xian¹ Zeng Ling-ke¹

1. School of Materials Science and Engineering , South China Univ. of Tech. , Guangzhou 510640 , Guangdong , China;2. Guangdong Energy Conservation and Monitoring Center, Guangzhou 510030 , Guangdong , China;3. The Second Dept., Luoyang Ship Material Research Institute , Luoyang470039 , Henan , China

Received:2005-11-18 Online:2007-02-25 Published:2007-02-25
Contact: 程小苏(1965-)，女，博士，副教授，主要从事高性能材料与窑炉热工研究. E-mail:xscheng@scut. edu.cn
About author:程小苏(1965-)，女，博士，副教授，主要从事高性能材料与窑炉热工研究.
Supported by:
广东省自然科学基金资助项目(31375 )

Abstract

Abstract:

A mathematical model that describes the spray drying process for producing ceramic microsphere is pro-posed based on the analyses of mass-and heat-transfer processes. The corresponding boundary conditions of the model are also determined. The Fluent software is then used to simulate the size and moving trace of the spraying particles. By comparing the calculated results with the tested ones , suitable operation parameters of the spray dry-ing process are finally determined. When the inlet temperature of air is 573 K, the outlet temperature of exhaust gas is 388 K, and the outlet pressure of exhaust gas is - 350 Pa , the best rotating speed of spray head is 12000 r/min.

Key words: ceramic microsphere, spray drying, numerical simulation, Fluent software

Cheng Xiao-su Fang Hai-xin Liu Ze-hao Zhang Ying-yuan Wang Yue Wang Yong-zhao Liang Zhi-xian Zeng Ling-ke. Numerical Simulation of Spray Drying Process for Producing Ceramic Microsphere[J]. Journal of South China University of Technology (Natural Science Edition), 2007, 35(2): 107-111.

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Numerical Simulation of Spray Drying Process for Producing Ceramic Microsphere

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