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生物质掺混比例对煤气化特性影响的试验研究

, PP. 35-40

Keywords: 流化床,生物质,煤气化,掺混比例

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Abstract:

在鼓泡流化床上研究松木屑和褐煤的共气化特性。在空气当量比为0.26的工况下,研究松木屑掺混比例0~100%对反应温度、产气组分、气化气热值、碳转化率和气化效率等参数的影响。结果表明:当木屑掺混比例从0%增加至100%时,反应温度逐渐降低,CO的体积含量从9.58%增加至17.29%,H2的体积含量从5.78%增加至6.50%,CO2的体积含量从14.25%下降至11.71%,CH4和CnHm的体积含量变化不大,呈先增加后降低的趋势,在掺混比例为50%时达到最大。气化气低位热值、碳转化率和气化效率均增加,在掺混比例为50%时,松木屑和褐煤共气化协同作用明显。

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