Influence of staged-air on airflow, combustion characteristics and NO x emissions of a down-fired pulverized-coal 300 MWe utility boiler with direct flow split burners

Environmental Science and Technology

Volumn 44, Issue 3, 2010, Pages 1130-1136

  Li, Zhengqi ^a   Kuang, Min ^a   Zhang, Jia ^a   Han, Yunfeng ^a   Zhu, Qunyi ^a   Yang, Lianjie ^a   Kong, Weiguang ^a  

^a HARBIN INSTITUTE OF TECHNOLOGY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMIC FIELD; AIR DAMPERS; AIR RATIO; BOILER EFFICIENCY; CARBON CONTENT; COLD AIRFLOW; COMBUSTION CHARACTERISTICS; DIRECT FLOW; FULL-SCALE BOILER; GAS COMPONENT; GAS TEMPERATURE; NEAR-WALL REGION; OPTIMAL SETTING; PULVERIZED COALS; SCALE FURNACE; SIDE WALLS; UTILITY BOILER; WALL HEAT FLUX;

COAL; COAL COMBUSTION; COAL INDUSTRY; DAMPING; FEATURE EXTRACTION; FLY ASH; FURNACES; HEAT FLUX; PULVERIZED FUEL FIRED BOILERS;

COAL ASH;

CARBON; COAL; NITRIC OXIDE; OXYGEN;

AERODYNAMICS; AIRFLOW; CARBON MONOXIDE; COAL; COMBUSTION; CYCLONE; DAMPING; EFFICIENCY MEASUREMENT; EXPERIMENTAL STUDY; FLOW FIELD; HEAT FLUX; NITRIC OXIDE; PULVERIZED FUEL ASH;

AIRFLOW; ARTICLE; BOILER; COLD AIR; COMBUSTION; CONTROLLED STUDY; CYCLONE SEPARATOR; FLY ASH; FURNACE; GAS; HEAT; PRODUCTIVITY; TEMPERATURE MEASUREMENT;

AIR MOVEMENTS; COAL; ENVIRONMENTAL MONITORING; INDUSTRY; NITRITES; PARTICLE SIZE; POWER PLANTS;

EID: 75749153288     PISSN: 0013936X     EISSN: 15205851     Source Type: Journal    
DOI: 10.1021/es903085v     Document Type: Article

References (13)

1. x) emissions from pulverized coal furnaces. Environ. Sci. Technol. 1975, 9 (9), 859-862.
2. Arenillas, A.; Rubiera, F.; Pis, J. J. Nitric oxide reduction in coal combustion: role of char surface complexes in heterogeneous reactions. Environ. Sci. Technol. 2002, 36 (24), 5498-5503.
3. Yao, M. Y.; Che, D. F.; Liu, Y. H.; Liu, Y. H. Effect of Volatile-Char Interaction on the NO Emission from Coal Combustion. Environ. Sci. Technol. 2008, 42 (13), 4771-4776.
4. Ren, F.; Li, Z. Q.; Chen, Z. C.; Wang, J. J.; Chen, Z. Influence of the down-draft secondary air on the furnace aerodynamic characteristics of a down-fired boiler. Energy Fuels 2009, 23 (5), 2437-2443.
5. 2 Control Workshop: Dalian, 2005.
6. Li, Z. Q.; Fan, S. B.; Liu, G. K.; Yang, X. H.; Chen, Z. C.; Su, W.; Wang, L. Influence of staged-air on combustion characteristics and NOx emissions of a 300 MWe down-fired with Swirl Burners. Energy Fuels 2009, In Press.
7. Burdett, N. A. The effects of air staging on NOx emissions from a 500 MW(e) down-fired boiler. J. Inst. Energy 1987, LX, 103-107.
8. Costa, M.; Azevedo, J. L.; Carvalho, M. G. Combustion characteristics of a front-wall-fired pulverized-coal 300 MWe utility boiler. Combust. Sci. Technol. 1997, 129 (1), 277-293.
9. x pulverized-coal-fired utility boiler. Combust. Sci. Technol. 2003, 175 (2), 271-289.
10. Costa, M.; Azevedo, J. L. T. Experimental characterization of an industrial pulverized coal-fired furnace under deep staging conditions. Combust. Sci. Technol. 2007, 179 (9), 1923-1935.
11. De, D. S. Measurement of flame temperature with a multi-element thermocouple. J. Inst. Energy 1981, 54, 113-116.
12. Che, G.; He, L. M.; Hui, S. E.; Xu, T. M. Air flow characteristics of W-shape flame boiler. J. Xi'an Jiaotong Univ. 2000, 34 (9), 38-43, in Chinese.
13. x formation. Energy Fuels 2009, 23 (1), 111-120.