华南理工大学学报(自然科学版) ›› 2010, Vol. 38 ›› Issue (10): 153-156.doi: 10.3969/j.issn.1000-565X.2010.10.028

• 动力与电气工程 • 上一篇    

煤粉炉内掺混废水污泥燃烧的数值模拟与分析

楼波 王芳 彭晓君   

  1. 华南理工大学 电力学院, 广东 广州 510640
  • 收稿日期:2010-01-14 修回日期:2010-02-16 出版日期:2010-10-25 发布日期:2010-10-25
  • 通信作者: 楼波(1965-),男,博士,副教授,主要从事燃烧技术与环境保护研究. E-mail:loubo@scut.edu.cn
  • 作者简介:楼波(1965-),男,博士,副教授,主要从事燃烧技术与环境保护研究.
  • 基金资助:

    广东省科技计划项目(2008B080701004)

Numerical Simulation and Analysis of Incineration Blending Waste-Water Sludge in a Pulverized Coal Combustion Boiler

Lou Bo  Wang Fang  Peng Xiao-jun   

  1. School of Electric Power,South China University of Technology,Guangzhou 510640,Guangdong,China
  • Received:2010-01-14 Revised:2010-02-16 Online:2010-10-25 Published:2010-10-25
  • Contact: 楼波(1965-),男,博士,副教授,主要从事燃烧技术与环境保护研究. E-mail:loubo@scut.edu.cn
  • About author:楼波(1965-),男,博士,副教授,主要从事燃烧技术与环境保护研究.
  • Supported by:

    广东省科技计划项目(2008B080701004)

摘要: 采用Fluent软件对广东某电厂煤粉炉内掺混污泥的燃烧过程进行了数值模拟与分析,探讨了其速度场、温度场分布.模拟结果显示,随污泥掺入量的增加,炉内最高温度比单一煤粉燃烧时的大约低80-160K,而最高温度的位置提高了180-800mm.实验结果表明,污泥水分低于20%时,污泥掺烧比例在10%以内是可靠的和可行的.

关键词: 废水污泥, 煤粉炉, 掺烧, 数值模拟

Abstract:

In this paper,with the help of Fluent,the incineration blending wastewater sludge in a pulverized coal combustion boiler in an electric power plant in Guangdong is numerically simulated and analyzed,and the distributions of the velocity field and the temperature field are discussed.Simulated results show that,with the increase of wastewater sludge dosage,the highest temperature in the furnace is 80~160 K lower than that of single pulverized coal combustion,and the height corresponding to the highest temperature increases by 180~800 mm.Experimental results indicate that,when the moisture content of the sludge is lower than 20%,the proper dosage of blended sludge should be kept within 10%.

Key words: wastewater sludge, pulverized coal combustion boiler, blending incineration, numerical simulation