OALib Journal期刊
ISSN: 2333-9721
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大差异煤掺烧反应动力学研究
, PP. 46-50
Keywords: 大差异煤,非等温热重实验,燃烧特性,动力学参数
Abstract:
以具有大差异煤质特性的河南新密无烟煤、内蒙古褐煤及其不同配比混煤作为研究对象进行非等温热重实验,通过tg/dtg曲线分析不同反应工况对燃烧特性和动力学参数的影响。结果表明,配比和升温速率对混煤掺烧特性影响较大,煤粉细度和空气流量存在中间最优值,混煤配比为7∶3或5∶5,升温速率30℃/min时具有良好的着火能力和燃尽特性,活化能较小,燃烧剧烈且稳定。实验结果可为燃烧大差异特性混煤机组的高效、安全、经济运行提供依据。
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