Co-firing pulverised coal and biomass: a modeling approach

被引：118

作者：

Backreedy, RI ^{[1
]}

Fletcher, LM ^{[1
]}

Jones, JM ^{[1
]}

Ma, L ^{[1
]}

Pourkashanian, M ^{[1
]}

Williams, A ^{[1
]}

机构：

[1] Univ Leeds, Energy & Resources Res Inst, Sch Proc Environm & Mat Engn, Ctr Computat Fluid Dynam, Leeds LS2 9JT, W Yorkshire, England

来源：

PROCEEDINGS OF THE COMBUSTION INSTITUTE | 2005年 / 30卷

基金：

英国工程与自然科学研究理事会;

关键词：

biomass; blends; CFD; co-combustion; power station;

D O I：

10.1016/j.proci.2004.08.085

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A CFD modelling study has been undertaken to examine the co-firing of pulverised coal and biomass with particular regard to the burnout of the larger diameter biomass particles. Computations were based on a research combustion facility that replicates an industrial coal-fired power station. Three percent, by mass, of pinewood was blended with a bituminous UK coal, and the effects of the wood particle size and shape on the burnout of the combined wood and coal char were investigated. The effect of varying the devolatilisation and char combustion rate constants for the biomass component in the blend was also investigated. It was concluded that the combustion of small (200 mu m) wood particles was rapid but the rate of combustion of larger particles was dependent on their composition, size, and shape. (c) 2004 The Combustion Institute. Published by Elsevier Inc. All rights reserved.

引用

页码：2955 / 2964

页数：10

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