Numerical simulation of the NOx emissions in a 1000 MW tangentially fired pulverized coal boiler: Influence of the multi-group arrangement of the separated over fire air

Energy and Fuels

Volumn 25, Issue 5, 2011, Pages 2004-2012

  Zhou, Hao ^a   Mo, Guiyuan ^a   Si, Dongbo ^a   Cen, Kefa ^a  

^a ZHEJIANG UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

1000 MW; EFFICIENT METHOD; EMISSION CHARACTERISTICS; FORMATION CHARACTERISTICS; FULL-SCALE BOILER; MULTI-GROUP; NOZZLE ARRANGEMENT; NUMERICAL RESULTS; OVER FIRE AIRS; PULVERIZED COAL BOILERS; SPECIES CONCENTRATION;

BOILER CONTROL; COAL; COMPUTATIONAL FLUID DYNAMICS; COMPUTER SIMULATION; FIRE TUBE BOILERS; NOZZLES; NUMERICAL METHODS; PULVERIZED FUEL FIRED BOILERS;

COAL COMBUSTION;

EID: 80051690623     PISSN: 08870624     EISSN: 15205029     Source Type: Journal    
DOI: 10.1021/ef200227r     Document Type: Article

References (31)

1. European Commission. Directive 2001/80/EC on the Limitation of Emissions of Certain Pollutants into the Air from Large Combustion Plants; European Commission: Brussels, Belgium, 2001.
2. Zhou, H.; Cen, K.; Fan, J. R. Experimental investigation on flow structures and mixing mechanisms of a gas-solid burner jet. Fuel 2005, 84, 1622-1634. (Pubitemid 40682593)
3. x emissions in a 300 MWe utility boiler with different outer secondaryåir vane angles. Energy Fuels 2010, 24, 5349-5358.
4. Díez, L. I.; Cortés, C.; Pallarés, J. Numerical investigation ofNOx emissions from a tangentially-fired utility boiler under conventional and over fire air operation. Fuel 2008, 87, 1259-1269. (Pubitemid 351625194)
5. x emission characteristics in a 500 MWe tangentially fired pulverized-coal boiler. Fuel 2009, 88, 1720-1731.
6. x reduction. Korean J. Chem. Eng. 2007, 24, 683.
7. x control through reburning. Prog. Energy Combust. Sci. 1998, 24, 385-408.
8. x emissions in air staging and reburning at a bench-scale test facility. Fuel 1996, 75, 560-564.
9. Dimitriou, D. J.; Kandamby, N.; Lockwood, F. C. A mathematical modeling technique for gaseous and solid fuel reburning in pulverized coal combustors. Fuel 2003, 82, 2107-2114.
10. Fan, J.;Qian, L.;Ma, Y.; Sun, P.;Cen,K.Computationalmodeling of pulverized coal combustion, processes in tangentially fired furnaces. Chem. Eng. J. 2001, 81, 261-269.
11. Liu, H.; Xin, N.; Cao, Q.; Sha, L.; Sun, D.; Wu, S. Numerical simulation of the influence of over fire air position on the combustion in a single furnace boiler with dual circle firing. Korean J. Chem. Eng. 2009, 26 (4), 1137-1143.
12. Habib,M. A.; Ben-Mansour, R.; Abualhamayel,H. I.Thermal and emission characteristics in a tangentially fired boiler model furnace. Int. J. Energy Res. 2010, 34, 1164-1182.
13. Yin, C.; Caillat, S.; Harion, J.; Baudoin, B.; Perez, E. Investigation of the flow, combustion, heat-transfer and emissions from a 609MWutility tangentially fired pulverized-coal boiler. Fuel 2002, 8, 997-1006. (Pubitemid 34232209)
14. x emission in a utility boiler. Fuel 2000, 79, 1611-1619.
15. Belosevic, S.; Sijercic, M.; Oka, S.; Tucakovic, D. Threedimensional modeling of utility boiler pulverized coal tangentially fired furnace. Int. J. Heat Mass Transfer 2006, 49, 3371-3378. (Pubitemid 43946924)
16. Asotani, T.; Yamashita, Y.; Tominaga, H.; Uesugi, Y.; Itaya, Y.; Mori, S. Prediction of ignition behavior in a tangentially fired pulverized coal boiler using CFD. Fuel 2008, 87, 482-490. (Pubitemid 350251368)
17. Yin, C.; Rosendahl, L.; Condra, T. Further study of the gas temperature deviation in large-scale tangentially coal-fired boilers. Fuel 2003, 82, 1127-3711.
18. Fan, J.; Sun, P.; Zheng, Y.; Ma, Y.; Cen, K. Numerical and experimental investigation on the reduction ofNOx emission in a 600MW utility furnace by using OFA. Fuel 1999, 78, 1387-1394.
19. x emissions in tangentially-fired boilers-A new approach. Proceedings of the American Society of Mechanical Engineers (ASME) International Joint Power Generation Conference; Miami Beach, FL, July 23-26, 2000.
20. Hill, S. C; Smoot, L. D. Modeling of nitrogen oxides formation and destruction in combustion systems. Prog. Energy Combust. Sci. 2000, 26, 417-458.
21. Huang, L.; Li, Z.; Sun, R.; Zhou, J. Numerical study on the effect of the over-fireåir to the air flow and coal combustion in a 670 t/h wallfired boiler. Fuel Process. Technol. 2006, 87, 363-371. (Pubitemid 43189979)
22. Launder, B. E.; Spalding, D. B. The numerical computation of turbulent flows. Comput. Methods Appl. Mech. Eng. 1974, 3, 269-289.
23. Raithby, G.D.; Chui, E.H. A finite-volumemethod for predicting a radiant heat transfer in enclosures with participating media. J. Heat Transfer 1990, 112, 415-423. (Pubitemid 20695598)
24. Clift, R.; Grace, J. R.; Weber; M. E. Bubbles, Drops, and Particles; Academic Press: New York, 1978.
25. Kobayashi, H.; Howard, J. B.; Sarofim, A. F. Coal devolatilization at high temperatures. Proceedings of the 16th International Symposium on Combustion; The Combustion Institute, Pittsburgh, PA, 1976.
26. Sivathanu, Y.; Faeth, G. Generalized state relationships for scalar properties in non-premixed hydrocarbon/air flames. Combust. Flame 1990, 82, 211-230.
27. Field, M. A. Rate of combustion of size-graded fractions of char from a low rank coal between 1200 and 2000 K. Combust. Flame 1969, 13, 237-252.
28. Zeldovich, Ya. B. The oxidation of nitrogen in combustion and explosions. Acta Physiochim. U.R.S.S. 1946, 21, 577-628.
29. Hanson, R. K.; Salimian, S. Survey of rate constants in H/N/O systems. In Combustion Chemistry; Gardiner, W. C., Jr., Ed.; Springer: New York, 1984; p 361.
30. Lockwood, F. C.; Romo-Millanes, C. A. Mathematical modeling of fuel-NO emissions from PF burners. J. Int. Energy 1992, 65, 144-152. (Pubitemid 23558732)
31. Levy, J. M.; Chen, L. K.; Sarofim, A. F.; Beer, J. M. NO/Char reactions at pulverized coal flame conditions. Proceedings of the 18th International Symposium on Combustion; The Combustion Institute, Pittsburgh, PA, 1981.