Numerical Simulation of NOx Formation in Kiln

Journal of South China University of Technology (Natural Science Edition) ›› 2007, Vol. 35 ›› Issue (2): 102-106.

• Materials Science & Technology • Previous Articles Next Articles

Numerical Simulation of NO_xFormation in Kiln

Zeng Ling-ke¹ Deng Wei-qiαng¹ Fang Hqi-xin² Wang Hui¹Shui An-ze¹ Liu Ping-pan¹Cheng Xiao-su¹Liu Yan-chun¹Zhang Hai-wei¹

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

Received:2005-12-29 Online:2007-02-25 Published:2007-02-25
Contact: 曾令可(1944-)，男，教授，博士生导师，主要从事无机非金属材料研究. E-mail:lingke@scut. edu.cn
About author:曾令可(1944-)，男，教授，博士生导师，主要从事无机非金属材料研究.
Supported by:
国家自然科学基金资助项目(50276017 ) ;广东省自然科学基金资助项目(04020035)

Abstract

Abstract:

In order to reveal the main factors that affect the NO_x formation in the process of maturing , CFD ( Com-putational Fluid Dynamics) software Fluent was used to simulate the mechanism of NO_x formation. The results show that the formation of NO_x is mainly affected hy the rising-rate of temperature , the maturing temperature and the flow velocity of kiln gas. As a result , in allowahle processing conditions and output , the formation of NO_x can he de-creased hy properly decreasing the rising-rate of temperature , improving the kiln structure , accelerating the flow of kiln gas , uniformizing the kiln gas and reducing the retention time of kiln gas in the high-temperature region.

Key words: ceramic maturing, Fluent software, Oxides of Nitrogen, numerical simulation

Zeng Ling-ke Deng Wei-qiαng Fang Hqi-xin Wang Hui Shui An-ze Liu Ping-pan Cheng Xiao-su Liu Yan-chun Zhang Hai-wei. Numerical Simulation of NO_xFormation in Kiln[J]. Journal of South China University of Technology (Natural Science Edition), 2007, 35(2): 102-106.

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Numerical Simulation of NO_xFormation in Kiln

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