Grate-firing of biomass for heat and power production

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Grate-firing of biomass for heat and power production. / Yin, Chungen; Rosendahl, Lasse; Kær, Søren Knudsen.

In: Progress in Energy and Combustion Science, Vol. 34, No. 6, 2008, p. 725-754.

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@article{69a9a820390c11dda305000ea68e967b,
title = "Grate-firing of biomass for heat and power production",
abstract = "As a renewable and environmentally friendly energy source, biomass (i.e., any organic non-fossil fuel) and its utilization are gaining an increasingly important role worldwide Grate-firing is one of the main competing technologies in biomass combustion for heat and power production, because it can fire a wide range of fuels of varying moisture content, and requires less fuel preparation and handling. The basic objective of this paper is to review the state-of-the-art knowledge on grate-fired boilers burning biomass: the key elements in the firing system and the development, the important combustion mechanism, the recent breakthrough in the technology, the most pressing issues, the current research and development activities, and the critical future problems to be resolved. The grate assembly (the most characteristic element in grate-fired boilers), the key combustion mechanism in the fuel bed on the grate, and the advanced secondary air supply (a real breakthrough in this technology) are highlighted for grate-firing systems. Amongst all the issues or problems associated with grate-fired boilers burning biomass, primary pollutant formation and control, deposition formation and corrosion, modelling and computational fluid dynamics (CFD) simulations are discussed in detail. The literature survey and discussions are primarily pertaining to grate-fired boilers burning biomass, though these issues are more or less general. Other technologies (e.g., fluidized bed combustion or suspension combustion) are also mentioned or discussed, to some extent, mainly for comparison and to better illustrate the special characteristics of grate-firing of biomass. Based on these, some critical problems, which may not be sufficiently resolved by the existing efforts and have to be addressed by future research and development, are outlined.",
keywords = "Biomass, Grate-fired boiler, Pollutant emission, Particulate matter, Deposit formation, Corrosion, CFD, Fluidized bed",
author = "Chungen Yin and Lasse Rosendahl and K{\ae}r, {S{\o}ren Knudsen}",
year = "2008",
doi = "10.1016/j.pecs.2008.05.002",
language = "English",
volume = "34",
pages = "725--754",
journal = "Progress in Energy and Combustion Science",
issn = "0360-1285",
publisher = "Pergamon Press",
number = "6",

}

RIS

TY - JOUR

T1 - Grate-firing of biomass for heat and power production

AU - Yin, Chungen

AU - Rosendahl, Lasse

AU - Kær, Søren Knudsen

PY - 2008

Y1 - 2008

N2 - As a renewable and environmentally friendly energy source, biomass (i.e., any organic non-fossil fuel) and its utilization are gaining an increasingly important role worldwide Grate-firing is one of the main competing technologies in biomass combustion for heat and power production, because it can fire a wide range of fuels of varying moisture content, and requires less fuel preparation and handling. The basic objective of this paper is to review the state-of-the-art knowledge on grate-fired boilers burning biomass: the key elements in the firing system and the development, the important combustion mechanism, the recent breakthrough in the technology, the most pressing issues, the current research and development activities, and the critical future problems to be resolved. The grate assembly (the most characteristic element in grate-fired boilers), the key combustion mechanism in the fuel bed on the grate, and the advanced secondary air supply (a real breakthrough in this technology) are highlighted for grate-firing systems. Amongst all the issues or problems associated with grate-fired boilers burning biomass, primary pollutant formation and control, deposition formation and corrosion, modelling and computational fluid dynamics (CFD) simulations are discussed in detail. The literature survey and discussions are primarily pertaining to grate-fired boilers burning biomass, though these issues are more or less general. Other technologies (e.g., fluidized bed combustion or suspension combustion) are also mentioned or discussed, to some extent, mainly for comparison and to better illustrate the special characteristics of grate-firing of biomass. Based on these, some critical problems, which may not be sufficiently resolved by the existing efforts and have to be addressed by future research and development, are outlined.

AB - As a renewable and environmentally friendly energy source, biomass (i.e., any organic non-fossil fuel) and its utilization are gaining an increasingly important role worldwide Grate-firing is one of the main competing technologies in biomass combustion for heat and power production, because it can fire a wide range of fuels of varying moisture content, and requires less fuel preparation and handling. The basic objective of this paper is to review the state-of-the-art knowledge on grate-fired boilers burning biomass: the key elements in the firing system and the development, the important combustion mechanism, the recent breakthrough in the technology, the most pressing issues, the current research and development activities, and the critical future problems to be resolved. The grate assembly (the most characteristic element in grate-fired boilers), the key combustion mechanism in the fuel bed on the grate, and the advanced secondary air supply (a real breakthrough in this technology) are highlighted for grate-firing systems. Amongst all the issues or problems associated with grate-fired boilers burning biomass, primary pollutant formation and control, deposition formation and corrosion, modelling and computational fluid dynamics (CFD) simulations are discussed in detail. The literature survey and discussions are primarily pertaining to grate-fired boilers burning biomass, though these issues are more or less general. Other technologies (e.g., fluidized bed combustion or suspension combustion) are also mentioned or discussed, to some extent, mainly for comparison and to better illustrate the special characteristics of grate-firing of biomass. Based on these, some critical problems, which may not be sufficiently resolved by the existing efforts and have to be addressed by future research and development, are outlined.

KW - Biomass

KW - Grate-fired boiler

KW - Pollutant emission

KW - Particulate matter

KW - Deposit formation

KW - Corrosion

KW - CFD

KW - Fluidized bed

U2 - 10.1016/j.pecs.2008.05.002

DO - 10.1016/j.pecs.2008.05.002

M3 - Journal article

VL - 34

SP - 725

EP - 754

JO - Progress in Energy and Combustion Science

T2 - Progress in Energy and Combustion Science

JF - Progress in Energy and Combustion Science

SN - 0360-1285

IS - 6

ER -

ID: 14471570