生物质热解煤气中焦油含量的影响因素

被引:29
作者
张晓东
周劲松
骆仲泱
倪明江
王铁柱
岑可法
机构
[1] 浙江大学热能工程研究所能源洁净利用与环境工程教育部重点实验室
[2] 浙江大学热能工程研究所能源洁净利用与环境工程教育部重点实验室 杭州
[3] 杭州
关键词
生物质; 热解; 煤气; 焦油;
D O I
暂无
中图分类号
TK6 [生物能及其利用];
学科分类号
080703 ;
摘要
采用稻杆、稻壳和木屑作为原料,对生物质材料热解产生的煤气中的焦油含量进行了系统研究.采用冷态捕集方法进行焦油取样;焦油样品用重度分析方法确定煤气中焦油含量.结果表明,由于各种生物质原料的组成及结构不同,热解煤气中,焦油含量存在较大差异.热解温度由550℃升高到900℃以上,热解煤气中焦油含量迅速下降,下降幅度甚至达到7000.随生物质原料在热解反应器内滞留时间的延长,焦油含量也下降.同时给出并分析了焦油含量随热解温度和滞留时间变化的情况.
引用
收藏
页码:329 / 334
页数:6
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