OALib Journal期刊
ISSN: 2333-9721
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滴管炉内新疆后峡煤挥发分释放和形态变化
, PP. 1172-1177
Keywords: 滴管炉,热解,气化,膨胀,凝聚
Abstract:
?对新疆后峡煤和滴管炉内的快速热解焦的比表面积、平均孔径、粒径和表面结构进行了分析,研究快速热解过程中原煤的形态变化。将热解焦在热重分析仪上进行气化实验,研究形态变化对气化反应的影响。结果表明,随热解温度的升高,煤焦比表面积与平均孔径变化趋势不同;快速热解过程中煤颗粒除破碎外,还会发生膨胀及凝聚形态变化;不同热解碎片气化趋势不一样,1200℃热解温度下的热解焦气化稳定性最好。
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