摘要
以烟气颗粒在液滴中浸湿过程的表面能变化为基础,理论分析表面活性剂对烟气的吸收作用,并开展实验研究。设置水雾吸收烟气实验箱,研究纯水、不同浓度TWEEN-80、OP-10对燃烧煤粉和棉花产生烟气的吸收效果。结果表明:对于煤粉产生烟气,在烟气浓度从约1 500×10-6下降至600×10-6阶段,纯水水雾使烟气下降的速率约为15.82×10-6/s;0.1%、0.3%的TWEEN-80水雾对烟气表现出较好的吸收效果;OP-10吸收煤粉烟气效果较差,0.3%OP-10的吸收效果与水接近。两种表面活性剂对于棉花产生烟气吸收与煤粉产生烟气有相似的规律。
Theoretical analysis of smoke absorption by water additives based on change of surface energy during the wetting process of flue gas particles in droplets were derived, and the experimental study was conducted. Absorption tests of smoke generated from burning coal and cotton by pure water, TWEEN-80 and OP-10 were conducted in a water mist absorbing flue gas test box. The result showed that, coal smoke decline rate from about 1 500×10-6 to600×10-6 was about 15.82×10-6/s if it is absorbed by pure water mist. Using 0.1% and 0.3%TWEEN-80 as additives has better absorbing effect. OP-10 shows worse effect, and 0.3%OP-10’s absorbing capacity was close to pure water. The effects on cotton smoke is similar to coal smoke.
作者
吕东
赵力增
王玥
LV Dong;ZHAO Li-zeng;WANG Yue(Tianjin Fire Research Institute of MEM,Tianjin 300381,China)
出处
《消防科学与技术》
CAS
北大核心
2019年第9期1272-1275,共4页
Fire Science and Technology
基金
公安部重点研究计划项目“典型固体自热物质火灾特征及事故处理技术研究”(2017JSYJA13)
关键词
煤粉
棉花
烟气吸收
表面活性剂
coal powder
cotton
smoke absorption
surface active agent
