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Experimental Study on Direct-Fired Characteristics about Biomass Derived Crude Syngas

机译:生物质衍生原油合成气直接特征的实验研究

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In order to solve the problem of slagging in biomass direct-fired and high tar content in biomass gasification, the method of using low-temperature gasification and crudesyn gas high temperature direct combustion for biomass is proposed. By changing the equivalence ratio of gasifying agents (ER-G) and the mass ratio of steam to air agents (S/A)for gasification, the syngas produced by rice husk was direct fired under different conditions in the experimental stage. The gasification temperature in gasifier and the flame stability in furnace were studied, and the gas volume fraction in gasifier was measured by gas chromatography analysis in off-line model. The results are shown as follows: The temperature ingasifier increases as ER-G increases and S/A declines. When the ER-G is lower than 0.3, the worse stability to flame in furnace shows. The volume fraction of H2 is the highest when ER-G is 0.35 and S/A is 0.10; and the flame stability in furnace is better in this situation. The volume fraction of CO increases as ER-G increases, while the trend is gradually smaller. The results in this paper would set base for the design and running of a crude syngas direct-fired system.
机译:为了解决生物质气化中的生物质直接烧制和高焦油含量的粘结问题,提出了使用低温气化的方法和用于生物质的生物质的克鲁杜氏气体高温直接燃烧。通过改变气化剂(ER-G)的等效比和蒸汽的质量比对于气化,通过稻壳产生的合成气在实验阶段的不同条件下直接烧制。研究了气化器中的气化温度和炉中的火焰稳定性,通过在离线模型中通过气相色谱分析测量气化器中的气体体积分数。结果如下所示:温度素加速器随着ER-G的增加而增加,S / a下降。当ER-G低于0.3时,炉子中的火焰稳定性更差。当ER-G为0.35且S / A为0.10时,H2的体积分数是最高的。在这种情况下,炉子中的火焰稳定性更好。 CO的体积分数随着ER-G增加而增加,而趋势逐渐变小。本文的结果将为原油单次直接系统的设计和运行设置基础。

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