2020
DOI: 10.1051/e3sconf/202021801009
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Numerical simulation study on the influence of pulverized coal particle size on boiler combustion characteristics

Abstract: The influence of pulverized coal particle size on combustion and NOx formation of 660MW tangential combustion ultra-supercritical boiler in a power plant was studied by using commercial software FLUENT. The average particle size of pulverized coal was set at 61μm, 71μm and 80μm, respectively. The results show that with the decrease of pulverized coal particle size, the overall temperature level of the boiler increases, the average temperature of the main combustion zone increases, the temperature of the upper … Show more

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