Optical image analysis of fine coal particles as an aid in optimizing combustion in a fluidized bed

1984 ◽  
Vol 40 (1-3) ◽  
pp. 323-330 ◽  
Author(s):  
J.M. Vleeskens
Keyword(s):  
Image Analysis ◽  
Fluidized Bed ◽  
Optical Image ◽  
Fine Coal ◽  
Coal Particles

Dry coal beneficiation by the semi-industrial Air Dense Medium Fluidized Bed with binary mixtures of magnetite and fine coal particles

Fuel ◽  
2019 ◽  
Vol 243 ◽  
pp. 509-518 ◽  
Author(s):  
Zhijie Fu ◽  
Jesse Zhu ◽  
Shahzad Barghi ◽  
Yuemin Zhao ◽  
Zhenfu Luo ◽  
...  
Keyword(s):  
Fluidized Bed ◽  
Binary Mixtures ◽  
Dense Medium ◽  
Fine Coal ◽  
Coal Beneficiation ◽  
Coal Particles

The segregation behaviors of fine coal particles in a coal beneficiation fluidized bed

2014 ◽  
Vol 124 ◽  
pp. 28-34 ◽  
Author(s):  
Qinggong Wang ◽  
Weidi Yin ◽  
Bin Zhao ◽  
Hairui Yang ◽  
Junfu Lu ◽  
...  
Keyword(s):  
Fluidized Bed ◽  
Fine Coal ◽  
Coal Beneficiation ◽  
Coal Particles

A method for measuring the residence time distribution of particles in a fluidized bed based on digital image analysis

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Jiamin Li ◽  
Xiaoping Chen ◽  
Jiliang Ma ◽  
Cai Liang
Keyword(s):  
Image Analysis ◽  
Fluidized Bed ◽  
Residence Time ◽  
Digital Image ◽  
Time Distribution ◽  
Residence Time Distribution ◽  
Digital Image Analysis ◽  
Color Space ◽  
The Difference ◽  
Accuracy And Repeatability

AbstractTraditional methods for measuring the residence time distribution (RTD) of particles in a fluidized bed are complex and time-consuming. To this regard, the present work proposes a new measurement method with remarkable efficiency based on digital image analysis. The dyed tracers are recognized in the images of the samples due to the difference of colors from bed materials. The HSV and the well-known RGB color space were employed to distinguish the tracers. By enhancing the Saturation and the Value in HSV and adjusting the gray range of images, the recognition error is effectively reduced. Then the pixels representing the tracers are distinguished, based on which the concentration of the tracers and RTD are measured. The efficiency, accuracy and repeatability of the method were validated by RTD measurements experiments. The method is also fit for distinguishing the target particles from multi-component systems consisting of particles of different colors.

Heat Transfer in a Fluidized Bed of Wet Brown Coal Particles

2015 ◽  
Vol 41 (2) ◽  
pp. 140-147 ◽  
Author(s):  
Kenichi Arima ◽  
Norihiro Fukuda ◽  
Ryuhei Takashima ◽  
Norito Katsuki ◽  
Tetsuya Sawatsubashi ◽  
...  
Keyword(s):  
Heat Transfer ◽  
Fluidized Bed ◽  
Brown Coal ◽  
Coal Particles
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