Soft-Sensing of Coal Ash Content Based on Dual-Energy Γ-Rays

Author(s):  
Dong Cheng ◽  
Fengwen Shen ◽  
Zhaosheng Teng ◽  
Siyu Guo ◽  
He Wen
Minerals ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 1433
Author(s):  
Xiufeng Zhang ◽  
Long Liang ◽  
Taiyou Li ◽  
Jiakun Tan ◽  
Xingguo Liang ◽  
...  

The real-time ash content measurement is the fundamental condition for the timely adjustment and intelligent control of operation parameters in coal production and utilization industry. In the present work, a real-time ash content analyzer based on the pseudo-dual energy X-ray transmission was developed. The feasibility of this X-ray ash content analyzer was validated by the linear relationship between ash content and five characteristic parameters of X-ray. The conditions of wave filter, tube voltage, and tube current were optimized. The comparison between the ash contents measured by muffle furnace and the X-ray ash content analyzer was conducted in laboratory and industry. It was found that the absolute error was smaller than 1% for clean coal with ash content of approximately 10%, and the possibility of the absolute error smaller than 0.5% was higher than 85%.


Measurement ◽  
2021 ◽  
pp. 110589
Author(s):  
Weidong Kanghui Zhang ◽  
Weidong Wang ◽  
ziqi Lv ◽  
Lizhang Jin ◽  
Dinghua Liu ◽  
...  

1983 ◽  
pp. 63-69
Author(s):  
R.A. FOOKES ◽  
V.L. GRAVITIS ◽  
J.S. WATT ◽  
P.E. HARTLEY ◽  
C.E. CAMPBELL ◽  
...  
Keyword(s):  
On Line ◽  

2021 ◽  
Vol 73 (1) ◽  
pp. 82-84
Author(s):  
D. Baimolda ◽  
◽  
T. Cechak ◽  
Sh. Shyngysova ◽  
◽  
...  

This article discusses the advantages of X-ray fluorescence analysis (XRF) techniques for the determination of ash in coal. The quality of coal depends on the amount of ash contained in it. On the other hand, ash causes irreversible environmental damage when using coal as a source of energy. Since coal is considered as the most important source of energy, coal quality is directly related to ash, which correlates with its non-combustible minerals and elements. Some elements such as S (sulfur), Ti (titanium), Ca (calcium), Fe (iron) after burning coal can have an adverse impact on the environment. Thus, we have demonstrated in this study how we can determine the ash content consisting of noncombustible minerals in the composition of coal and, thus, assess the quality of coal using X-ray fluorescence research. It also describes how we can determine coal ash samples using the XRF analyzer 123-1 in online, which is one of the most optimal methods in nuclear physics.


1978 ◽  
Vol 14 (2) ◽  
pp. 213-215
Author(s):  
O. A. Baikonurov ◽  
M. B. Énker ◽  
Sh. V. Niyazova
Keyword(s):  

2014 ◽  
Vol 48 (5) ◽  
pp. 298-301
Author(s):  
Yu. N. Pak ◽  
D. Yu. Pak
Keyword(s):  

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