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首页> 外文期刊>Energy Conversion & Management >Experimental investigation on combustion and heat transfer characteristics in a furnace fueled with unconventional biomass fuels (date stones and palm stalks)
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Experimental investigation on combustion and heat transfer characteristics in a furnace fueled with unconventional biomass fuels (date stones and palm stalks)

机译：用非常规生物质燃料（大枣和棕榈秸秆）供热的燃烧和传热特性的实验研究

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摘要

The combustion of date stones and palm stalks in a small scale furnace with a conical solid fuel bed is investigated experimentally. This investigation (to the best of the knowledge of the author) is the first addressing date stones as a new renewable energy source. Different experimental conditions are investigated where different fuel feed conditions and different combustion air flow rates are considered. The major results are given in terms of the fuel reduction rates and the heat transferred to the cooling water flowing in a water jacket around the furnace as functions of time. Combustion of the biomass fuels considered here in the investigated furnace is initiated by using LPG fuel as a starter. The hot products of LPG combustion, which is taking place in a burner built prior to the investigated solid fuel furnace, are allowed to penetrate the conical fuel bed for 2-3 min from its bottom base in the upward direction, causing effective heating and gasification and pyrolysis of the solid fuel in the bed to take place. The resulting combustible gases mix with the combustion air and subsequently are ignited by an external ignition source. The results of the present study highlight date stones as a renewable energy source with a good potential.
机译：实验研究了带有锥形固体燃料床的小规模炉中大枣石和棕榈秆的燃烧。这项调查（据作者所知）是首次解决日期石作为新的可再生能源的问题。研究了不同的实验条件，其中考虑了不同的燃料进料条件和不同的燃烧空气流速。给出的主要结果是燃料减少率和传递到冷却水的热量随时间的变化而变化，这些热量在炉子周围的水套中流动。此处考虑的生物质燃料在被研究炉中的燃烧是通过使用LPG燃料作为启动剂来启动的。 LPG燃烧的热产物在被研究的固体燃料炉之前的燃烧器中发生，允许其从底部向上向上渗透锥形燃料床2-3分钟，从而有效地加热和气化并在床中进行固体燃料的热解。产生的可燃气体与燃烧空气混合，随后被外部点火源点燃。本研究的结果强调了枣核石作为具有良好潜力的可再生能源。

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