煤炭工程 ›› 2016, Vol. 48 ›› Issue (1): 126-129.doi: 10.11799/ce201601036

• 研究探讨 • 上一篇    下一篇

煤泥絮体颗粒粒径分布规律研究

焦小淼,刘文礼,王东辉,谢勇   

  1. 中国矿业大学(北京)
  • 收稿日期:2015-09-21 修回日期:2015-11-03 出版日期:2016-01-10 发布日期:2016-02-01
  • 通讯作者: 刘文礼 E-mail:liuwenli08@163.com

The Study of Particle Size Distribution of the Coal Slime Flocs

  • Received:2015-09-21 Revised:2015-11-03 Online:2016-01-10 Published:2016-02-01

摘要: 为研究煤泥水絮凝过程中絮体粒径分布规律,建立了煤泥絮体尺寸测量系统,应用图像处理技术处理絮体图像,统计分析不同搅拌历时下絮体的粒径分布规律。结果表明:煤泥水絮凝过程中絮体的粒径分布不遵循经验分布幂函数分布,而是符合分形分布和G-S分布函数分布,其拟合R2均大于0.96;当絮凝过程相对稳定时,R-R分布和对数正态分布也可以表征絮体颗粒的粒径分布,其拟合R2值分别高达0.99和0.97。

关键词: 图像法, 尺寸测量系统, 煤泥絮体, 粒径分布, 分布函数, 分形分布

Abstract: for studying the coal slime flocs size distribution during flocculation process, coal slime flocs size measurement system is established, the application of image processing technology processing flocs images, statistical analysis of flocs size distribution under different mixing duration. The results show that: the coal slime flocs size distribution in the process of not following empirical distribution power function distribution, but conform to the fractal distribution and the distribution G-S distribution function, the fitting R2 were greater than 0.96; when the flocculation process is relatively stable, R-R distribution and lognormal distribution can also be characterization of the coal slime flocs particle size distribution, it’s fitting R2 value as high as 0.99 and 0.97respectively.

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