表面活性剂影响下细水雾吸附细颗粒物特性的试验

发布时间：2018-01-31 08:43

本文关键词： 细颗粒物表面活性剂水雾粒径风送降尘率　出处：《江苏大学学报(自然科学版)》2016年01期 　论文类型：期刊论文

【摘要】：为了探讨细水雾吸附细颗粒物的机理,利用含有风送结构的喷雾系统对表面活性剂影响下不同粒径细水雾脱除细颗粒物特性进行了试验研究,获得了液滴粒径、表面活性剂质量浓度及风送速度对细水雾降尘率的影响规律.结果表明:细水雾降尘率随着水雾粒径的减小先提高后下降,存在最大降尘率;在纯水中添加表面活性剂能大幅提高不同粒径水雾对细颗粒物的降尘率,且粒径越小提升效果越明显;随着溶液中表面活性剂质量浓度的增大,降尘率基本呈上升趋势,同时当水雾粒径较大时,低速风送对纯水及表面活性剂溶液的降尘率均有提升效果.
[Abstract]:In order to study the mechanism of fine particles adsorbed by water mist, the characteristics of removing fine particles with different particle sizes under the influence of surfactant were studied by using a spray system with air delivery structure, and the particle size of liquid droplets was obtained. The effect of surfactant concentration and air velocity on the dust removal rate of water mist is studied. The results show that the dust reduction rate of water mist increases first and then decreases with the decrease of water mist particle size, and there is a maximum dust fall rate. The addition of surfactant in pure water can greatly improve the dust reduction rate of fine particles with different water mist size, and the smaller the particle size is, the more obvious the lifting effect is. With the increase of surfactant concentration in the solution, the dust reduction rate is on the rise. At the same time, when the particle size of water mist is larger, the dust reduction rate of pure water and surfactant solution can be improved by low speed air transport.
【作者单位】：江苏大学能源与动力工程学院;
【基金】：国家自然科学基金资助项目(51376084)
【分类号】：X701.2
【正文快照】： 引文格式:王军锋,莫晓健,张铮,等.表面活性剂影响下细水雾吸附细颗粒物特性的试验[J].江苏大学学报(自然科学版),2016,37(1):31-34.细颗粒物作为大气污染物的重要来源,容易黏附空气中的有毒重金属、酸性氧化物、有机污染物、细菌和病毒等,对人体健康及环境质量造成严重危害[1]

【相似文献】