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首页> 外文期刊>International journal of sustainable energy >Design and experimental study of pilot scale throat-less downdraft gasifier fed by rice husk and wood sawdust
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Design and experimental study of pilot scale throat-less downdraft gasifier fed by rice husk and wood sawdust

机译：稻壳和木材锯末喂养的试验规模喉咙下游气化器的设计与实验研究

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In this work, pilot scale throat-less downdraft gasifier is fabricated and tested on rice husk and blend of rice husk-sawdust. The test aims to investigate effect of equivalence ratio on temperature profile, propagation front (flame propagation rate, bed movement rate, and effective propagation rate), and performance of the gasifier (composition of producer gas, heating value of producer gas, and thermal efficiency of the gasifier). Equivalence ratio investigated are 0.15, 0.20, and 0.25, while the blend ratio is 1:1 by mass. The results show that axial temperatures in the reactor surge faster with increasing equivalence ratio during the rice husk gasification and the blend gasification. Typically, flame propagation rate, bed movement rate, and effective propagation rate improve with rising equivalence ratio from 0.15 to 0.25. The best higher heating values and thermal efficiencies are obtained at equivalence ratio of 0.2 and 0.15 for the rice husk gasification and the blend gasification, respectively.
机译：在这项工作中，在稻壳和稻壳的混合物上制造并测试了试验规模的喉咙较少的下行气炉。该试验旨在研究等效比对温度曲线的影响，传播前（火焰传播速率，床移动率和有效传播速率）以及气化器的性能（生产者气体的组成，生产者气体的加热值和热效率气化器）。研究的等效比为0.15,0.20和0.25，而混合比为1：1质量％。结果表明，随着稻壳气化和混合气化期间，反应器中的轴向温度随着等效率的增加而升高。通常，火焰传播速率，床移动速率和有效的传播速率随着0.15至0.25的上升等效比上升。对于稻壳气化和混合物气化分别在0.2和0.15的等效比下获得最佳的更高的加热值和热效性。

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