偶极荷电静电凝并除尘器收尘机理及性能研究  

Study on collecting principle and performance of dipolar charging electrostatic agglomerator

作　　者：陈旺生[1] 向晓东[2] 陆继东[1] 

机构地区：[1]华中科技大学煤燃烧国家重点实验室,武汉430074 [2]武汉科技大学环境科学与工程中心,武汉430081

出　　处：《环境工程学报》2008年第7期973-976,共4页Chinese Journal of Environmental Engineering

基　　金：国家自然科学基金资助项目(50778139);湖北省教育厅资助项目(Q200611006)

摘　　要：提出一种高效去除微细颗粒物的偶极荷电静电凝并除尘装置,其主要由凝并区和收尘区组成。对其凝并收尘机理进行了分析,并对收尘性能进行了实验研究。结果表明,偶极荷电静电凝并系数高于库仑凝并系数;偶极荷电静电凝并除尘器中颗粒的凝并效果好,且在相同的条件下,其对微细颗粒物的除尘效率明显高于普通静电除尘器。Dipolar charging electrostatic agglomerator which consists of agglomeration zone and collection zone is developed. The agglomerator can collect fine particles efficiently. The coagulation principle is analyzed, and the collection performance is tested. The results show that the coagulation phenomenon of fine particle is very obvious, and the dipolar charging agglomeration coefficient is higher than that of coulomb agglomeration. Fur- thermore, the collection efficiency of dipolar charging electrostatic agglomerator is obviously higher than that of the conventional ESP for collecting fine particles under the same conditions.

关 键 词：偶极荷电静电凝并除尘器 微细颗粒物 凝并系数 除尘效率 

分 类 号：X701.2[环境科学与工程—环境工程]