The simulation of influence of different coals on the circulating fluidized bed Boiler’s combustion performance |
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Authors: | Yumei Yong Qinggang Lu |
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Affiliation: | (1) Institute of Engineering Thermophysics, Chinese Academy of Sciences, 100080 Beijing, China |
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Abstract: | The combustion performance of the boiler largely depends on the coal type. Lots of experimental research shows that different
fuels have different combustion characteristics. It is obvious that fuel will change the whole operating performance of Circulating
Fluidized Bed Combustion (CFBC). We know even in a pilot-scale running boiler, the measurement of some parameters is difficult
and costly. Therefore, we developed the way of simulation to evaluate the combustion performance of Chinese coals in CFB.
The simulation results show that, different coals will result in different coal particle diameter and comminution depending
on their mineral component and the change will affect the distribution of ash in CFBC system. In a word, the computational
results are in accordance with experimental results qualitatively but there are some differences quantitatively. |
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Keywords: | coal circulating fluidized bed combustion simulation |
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