Numerical simulations of the slagging characteristics in a down-fired, pulverized-coal boiler furnace

Fuel Processing Technology

Volumn 91, Issue 1, 2010, Pages 88-96

  Fang, Qingyan ^a   Wang, Huajian ^a   Wei, Yan ^a   Lei, Lin ^b   Duan, Xuelong ^b   Zhou, Huaichun ^a  

^a HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

^b Hunan Electric Power Test and Research Institute   (China)

Author keywords

Down fired boiler; Numerical simulation; Pulverized coal; Slagging

Indexed keywords

COAL FLAMES; COMBUSTION MODEL; CUTTING-OFF; DOWN-FIRED BOILER; GAS SOLID TWO PHASE FLOW; HIGHER TEMPERATURES; LOCAL FLOW FIELD; NUMERICAL SIMULATION; NUMERICAL STUDIES; OFF-DESIGN OPERATING CONDITIONS; OPERATIONAL CONDITIONS; PULVERIZED COAL BOILERS; PULVERIZED COALS; RAPID EXPANSION; REAL OPERATING CONDITIONS; SIDE WALLS; SLAGGING CHARACTERISTICS; WALL REGION;

ARCHES; BOILERS; COAL; COAL COMBUSTION; COAL INDUSTRY; FLUE GASES; FLUES; FURNACES; SIMULATORS; TWO PHASE FLOW; WALL FLOW;

MATHEMATICAL MODELS;

EID: 71649113793     PISSN: 03783820     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.fuproc.2009.08.022     Document Type: Article

References (25)

1. Ren F., Li Z.-Q., Zhang Y.-B., et al. Influence of the secondary air-box damper opening on airflow and combustion characteristics of a down-fired 300-MWe utility boiler. Energy & Fuels 21 2 (2007) 668-676
2. Li Z.-Q., Ren F., Zhang J., et al. Influence of vent air valve opening on combustion characteristics of a down-fired pulverized-coal 300-MWe utility boiler. Fuel 86 15 (2007) 2457-2462
3. Ren F., Li Z.-Q., Jing J.-P., et al. Influence of the adjustable vane position on the flow and combustion characteristics of a down-fired pulverized-coal 300 MWe utility boiler. Fuel Processing Technology 89 12 (2008) 1297-1305
4. Fan J.-R., Zha X.-D., and Cen K.-F. Study on coal combustion characteristics in a W-shaped boiler furnace. Fuel 80 (2001) 373-381
5. Fan J.-R., Liang X.-H., Chen L.-H., et al. Modeling of NOx emissions from a W-shaped boiler furnace under different operating conditions. Energy 23 12 (1998) 1051-1055
6. Fueyo N., Gambon V., Dolazo C., et al. Computational evaluation of low NOx operating conditions in arch-fired boilers. Journal of Engineering for Gas Turbines and Power 121 (1999) 735-740
7. Naganuma H. Control of ash deposition in pulverized coal-fired boiler. Proceedings of the Combustion Institute 32 2 (2009) 2709-2716
8. Zbogar A., and Frandsen F.J. Shedding of ash deposits. Progress in Energy and Combustion Science 35 1 (2008) 31-56
9. Harding N.S. Ash deposition impacts in the power industry. Fuel Processing Technology 88 (2007) 1082-1093
10. Wigley F. The effect of mineral additions on coal ash deposition. Fuel Processing Technology 88 (2007) 1010-1016
11. Wee H.L., and Wu H.W. The effect of combustion conditions on mineral matter transformation and ash deposition in a utility boiler fired with a sub-bituminous coal. Proceedings of the Combustion Institute 30 (2005) 2981-2989
12. Zbogar A., and Frandsen F.J. Heat transfer in ash deposits: a modelling tool-box. Progress in Energy and Combustion Science 31 (2005) 371-421
13. Wall T.F., Bhattacharya S.P., Zhang D.-K., et al. The properties and thermal effects of ash deposits in coal-fired furnaces. Progress in Energy and Combustion Science 19 5 (1993) 487-505
14. Yan L., Gupta R.P., and Wall T.F. The implication of mineral coalescence behaviour on ash formation and ash deposition during pulverized coal combustion. Fuel 80 9 (2001) 1333-1340
15. Zhou H., Cen K.-F., and Sun P. Prediction of ash deposition in ash hopper when tilting burners are used. Fuel Processing Technology 79 2 (2002) 181-195
16. Erickson T.A., Allan S.E., McCollor D.P., et al. Modelling of fouling and slagging in coal-fired utility boilers. Fuel Processing Technology 44 123 (1995) 155-171
17. Wang H.F., and Harb J.N. Modeling of ash deposition in large scale combustion facilities burning pulverized coal. Progress in Energy and Combustion Science 23 3 (1997) 267-282
18. Lee F.C.C., and Lockwood F.C. Modeling ash deposition in pulverized coal-fired applications. Progress in Energy and Combustion Science 25 2 (1999) 117-132
19. Richards G.H., Slater P.N., and Harb J.N. Simulation of ash deposit growth in a pulverized coal-fired pilot scale reactor. Energy and Fuels 7 6 (1993) 774-781
20. Fan J.-R., Zha X.-D., Sun P., et al. Simulation of ash deposit in a pulverized coal-fired boiler. Fuel 80 5 (2001) 645-654
21. You C.-F., and Zhou Y. Effect of operation parameters on the slagging near swirl coal burner throat. Energy and Fuels 20 (2006) 1855-1861
22. X emission in a utility boiler. Fuel 79 (2000) 1611-1619
23. Boyd R.K., and Kent J.H. Three-dimension furnace computer modeling. 21st Symposium (International) on Combustion vol. 21 (1986), The Combustion Institute 265-274
24. Senior C.L., and Srinivasachar S. Viscosity of ash particles in combustion systems for prediction of particle sticking. Energy and Fuels 9 2 (1995) 277-283
25. Walsh P.M., Sayre A.N., Loehden D.O., et al. Deposition of bituminous coal ash on an isolated heat exchanger tube: effects of coal properties on deposit growth. Progress in Energy and Combustion Science 16 4 (1990) 327-346