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The Analysis of the Unburned Carbon in Fly Ash for Tangentially Pulverized Coal-Fired Boiler Based on Factor Analysis Method

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3 Author(s)
Li Jun ; Key Lab. of Condition Monitoring & Control for Power Plant Equip. of Minist. of Educ., North China Electr. Power Univ., Baoding, China ; Dong Jiancong ; Li Chun

Due to the current qualitative method of the unburned carbon in fly ash for tangentially pulverized coal-fired boiler, the factor analysis was applied creatively to estimate quantitatively every influence on the unburned carbon in fly ash, considering the actual operations of 300MWe boiler. This study established the factor model to analysis the influences of unburned carbon in fly ash, and listed their weights in numerical form. The results of this study suggested the sequence of these influences is the boiler loading (coal-consumption), the angle of the tilting burner, the primary air pressure, the hot-primary air temperature, furnace air total volume and the hot-secondary air temperature, which is benefit to optimize the control of the boiler actual operation.

Published in:

Power and Energy Engineering Conference (APPEEC), 2011 Asia-Pacific

Date of Conference:

25-28 March 2011

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