零基线高压脉冲荷电对过滤除尘的影响研究  

Research on the Influences of Dust Pre-charging with Zero-baselined High Voltage Pulse Upon the Dust Filtration

作　　者：刘海弟[1,2,3] 李伟曼 陈运法[1] 呼和涛力[4] 邹永平[5] 张晖 冯家迪 LIU Hai-di;LI Wei-man;CHEN Yun-fa;HU HE Tao-li;ZOU Yong-ping;ZHANG Hui;FENG Jia-di

机构地区：[1]中国科学院过程工程研究所多相复杂系统国家重点实验室,北京100190 [2]中国科学院大学,北京100049 [3]中国科学院绿色过程制造创新研究院,北京100190 [4]中国科学院广州能源研究所,广东广州510651 [5]江苏省宜兴非金属化工机械厂有限公司,江苏宜兴214221

出　　处：《有色设备》2023年第3期1-6,共6页Nonferrous Metallurgical Equipment

基　　金：中国科学院绿色过程制造创新研究院自主部署项目(IAGM2022D09);中国科学院先导专项A(No.XDA21040401);国家重点研发计划(No.2020YFC1908902)资助项目。

摘　　要：以多孔纤维陶瓷管为除尘介质,研究了采用零基线高压脉冲进行粉尘预荷电的除尘过程,分析了不同高压脉冲峰值对除尘的影响效果,研究发现:零基线高压脉冲的粉尘荷电方式可以促进微米级超细Al(OH)_(3)粉尘的过滤去除,然而对于纳米级的气相法白炭黑则作用并不明显,本文从高压脉冲荷电机理特征的角度分析了以上现象的原因。根据研究结果,对于粒度在微米级别的一般工业粉尘,采用零基线高压脉冲荷电方式对粉尘进行预荷电是一种良好的除尘强化手段。With the porous fibrous ceramic tube used as filtration medium,the dust-removal process u-sing zero-baselined high voltage pulse as dust pre-charging means was investigated.The influence of max-ima of high voltage pulse upon the dust-removal results was analyzed.It is revealed by the results:zero-baselined high voltage pulse could benefit the filtration of Al(OH)_(3 )dust with size in micrometer scale,however,it exhibits weak influences upon nano-scaled fumed silica.In this paper,we analyzed the cause of the phenomenon mentioned above in the perspective of charging mechanism of high voltage pulse.It could be concluded from the results that:as for the normal industrial micro-meter scaled powder,pre-charging dusts with zero-baselined high voltage pulse is a very effective promoting tactic for dust removal.

关 键 词：多孔纤维陶瓷管 除尘 脉冲荷电 预荷电 

分 类 号：X773[环境科学与工程—环境工程]