An integrated theoretical fouling model for convective heating surfaces in coal-fired boilers

Powder Technology

Volumn 210, Issue 2, 2011, Pages 150-156

  Pan, Yadi ^a   Si, Fengqi ^a   Xu, Zhigao ^a   Romero, Carlos E ^b  

^a SOUTHEAST UNIVERSITY   (China)

^b LEHIGH UNIVERSITY   (United States)

Author keywords

Coal fired boiler; Deposition; Fouling model; Inertial impaction; Removal

Indexed keywords

COAL-FIRED POWER PLANT; CONVECTIVE HEATING; CRITICAL VELOCITIES; ECONOMIZER TUBES; FLUID DYNAMICS SIMULATIONS; FOULING GROWTH; FOULING MODEL; FOULING REMOVAL; INERTIAL IMPACTION; INTERFACIAL ADHESION ENERGY; INTERNAL MICROSTRUCTURE; MORPHOLOGY AND MECHANICAL PROPERTIES; PARTICLE DEPOSITIONS; PARTICULATE FOULING; PREDICTION PRECISION; SUSPENDED PARTICLES; TARGET SURFACE; TUBE WALLS;

COAL; COAL FIRED BOILERS; COMPUTER SIMULATION; FOSSIL FUEL POWER PLANTS; HEATING; MECHANICAL PROPERTIES; OUTAGES;

FOULING;

ACCURACY; ADHESION; ARTICLE; BOILER; COMPUTATIONAL FLUID DYNAMICS; CONTROLLED STUDY; ELECTRIC POWER PLANT; ENERGY; ENVIRONMENTAL ASPECTS AND RELATED PHENOMENA; FOULING; PARTICULATE MATTER; POROSITY; PREDICTION; SUSPENDED PARTICULATE MATTER; THEORETICAL MODEL; THERMODYNAMICS; TUBE;

EID: 79955471225     PISSN: 00325910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.powtec.2011.03.008     Document Type: Article

References (32)

1. Lee B.E., Fletcher C.A., Shin S.H., et al. Computational study of fouling deposit due to surface-coated particles in coal-fired power utility boilers. Fuel 2002, 81:2001-2008.
2. Frandsen F.J. Ash research from Palm Coast, Florida to Banff, Canada: entry of biomass in modern power boilers. Energy Fuels 2009, 23:3347-3378.
3. C.T.A, J.L.A, S.G.A.A, et al. Thermophoretic deposition of particles in laminar and turbulent tube flows. Aerosol Sci. Technol. 2004, 38:131-139.
4. Romay F.J., Takagaki S.S., Pui D.Y., et al. Thermophoretic deposition of aerosol particles in turbulent pipe flow. J. Aerosol Sci. 1998, 29:943-959.
5. Konstandopoulos A.G., Rosner D.E. Inertial effects on thermophoretic transport of small particles to walls with streamwise curvature - I. Theory. Int. J. Heat Mass Transfer 1995, 38:2305-2315.
6. Dehbi A. A stochastic Langevin model of turbulent particle dispersion in the presence of thermophoresis. Int. J. Multiph. Flow 2009, 35:219-226.
7. Thornton C., Ning Z. A theoretical model for the stick/bounce behaviour of adhesive, elastic-plastic spheres. Powder Technol. 1998, 99:154-162.
8. Konstandopoulos A.G. Particle sticking/rebound criteria at oblique impact. J. Aerosol Sci. 2006, 37:292-305.
9. Feng X.Q., Li H., Zhao H.P., et al. Numerical simulations of the normal impact of adhesive microparticles with a rigid substrate. Powder Technol. 2009, 189:34-41.
10. Abd-elhady M.S., Rindt C.C., Wijers J.G., et al. Modelling the impaction of a micron particle with a powdery layer. Powder Technol. 2006, 168:111-124.
11. Van B.M., Rindt C.C., Wijers J.G., et al. Rebound characteristics for 50-[mu]m particles impacting a powdery deposit. Powder Technol. 2006, 165:53-64.
12. Huang L.Y., Norman J.S., Pourkashanian M., et al. Prediction of ash deposition on superheater tubes from pulverized coal combustion. Fuel 1996, 75:271-279.
13. Rodriguez C., Smith R. Optimization of operating conditions for mitigating fouling in heat exchanger networks. Chem. Eng. Res. Des. 2007, 85:839-851.
14. Abd-elhady M.S., Rindt C.C., Van S.A. Contact time of an incident particle hitting a 2D bed of particles. Powder Technol. 2009, 191:315-326.
15. Polley G.T., Wilson D.I., Yeap B.L., et al. Evaluation of laboratory crude oil threshold fouling data for application to refinery pre-heat trains. Appl. Therm. Eng. 2002, 22:777-788.
16. Bergeles G., Bouris D., Yianneskis M., et al. Effects of fouling on the efficiency of heat exchangers in lignite utility boilers. Appl. Therm. Eng. 1997, 17:739-749.
17. Chang C.S., Hicher P. An elasto-plastic model for granular materials with microstructural consideration. Int. J. Solids Struct. 2005, 42:4258-4277.
18. Chang C.S., Chao S.J., Chang Y. Estimates of elastic moduli for granular material with anisotropic random packing structure. Int. J. Solids Struct. 1995, 32:1989-2008.
19. Chang T.P., Chen B.H. Orthotropic elastic response of granular materials. Comput. Struct. 1997, 64:667-675.
20. Chang C.S., Shi Q., Liao C.L. Elastic constants for granular materials modeled as first-order strain-gradient continua. Int. J. Solids Struct. 2003, 40:5565-5582.
21. Sommerfeld M., Huber N. Experimental analysis and modelling of particle-wall collisions. Int. J. Multiph. Flow 1999, 25:1457-1489.
22. Tian Z.F., Tu J.Y., Yeoh G.H. Numerical modelling and validation of gas-particle flow in an in-line tube bank. Comput. Chem. Eng. 2007, 31:1064-1072.
23. Heinl M.B.E. Calculation of particle-wall adhesion in horizontal gas-solids flow using CFD. Powder Technol. 2005, 95-104.
24. Geng J., Reydellet G., Cl E., et al. Green's function measurements of force transmission in 2D granular materials. Phys. D 2003, 182:274-303.
25. Ramadan A., Skalle P., Johansen S.T. A mechanistic model to determine the critical flow velocity required to initiate the movement of spherical bed particles in inclined channels. Chem. Eng. Sci. 2003, 58:2153-2163.
26. Rabinovich E., Kalman H. Incipient motion of individual particles in horizontal particle-fluid systems: B. Theoretical analysis. Powder Technol. 2009, 192:326-338.
27. Rabinovich E., Kalman H. Incipient motion of individual particles in horizontal particle-fluid systems: A. Experimental analysis. Powder Technol. 2009, 192:318-325.
28. Akhatov I.S., Hoey J.M., Swenson O.F., et al. Aerosol focusing in micro-capillaries: theory and experiment. J. Aerosol Sci. 2008, 39:691-709.
29. Thornton C., Yin K.K. Impact of elastic spheres with and without adhesion. Powder Technol. 1991, 65:153-166.
30. Li S.Q., Marshall J.S. Discrete element simulation of micro-particle deposition on a cylindrical fiber in an array. J. Aerosol Sci. 2007, 38:1031-1046.
31. Marshall J.S. Particle aggregation and capture by walls in a particulate aerosol channel flow. J. Aerosol Sci. 2007, 38:333-351.
32. Abd-elhady M.S., Rindt C.C., Wijers J.G., et al. Particulate fouling in waste incinerators as influenced by the critical sticking velocity and layer porosity. Energy 2005, 30:1469-1479.