Experimental research on combustion characteristics of pulverized-coal fluidized bed
Conference
·
OSTI ID:357887
- North China Electric Power Univ., Baoding, Hebei (China)
- Southeast Univ., Nanjing, Jiangshu (China)
A new, efficient clean coal combustion method, pulverized-coal fluidized bed combustion (PC-FBC) is proposed firstly in this paper. Research has been conducted on the combustion characteristics of PC-FBC on an experimental rig with 0.3 MW heat input. PC-FBC uses pulverized-coal as its fuel and integrates the characters of the pulverized coal boiler and the fluidized bed boiler. In 850 to 880 C fluidized-bed combustion zone (FBCZ) of PC-FBC, the pulverized coal can be ignited stably and releases 57.7 to 84.2% volatile substance. Seventy (70%) of the released volatile and a part of carbon are burnt in FBCZ. The highest and average gas temperatures are 1100 C and 950 to 1000 C respectively in PC-FBC. A combustion efficiency of 98 to 99% can be reached.
- OSTI ID:
- 357887
- Report Number(s):
- CONF-9705116--; ISBN 0-7918-1557-9
- Country of Publication:
- United States
- Language:
- English
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