XUE Feng^a,b,c，LI Peng^a，HUANG Wanlan^a，HU Min^a，YAN Cuiping^a ，CHEN Haiyan^a，YANG Gang^a,b

(a.School of Environment and Resource；b.Key Laboratory of Solid Waste Treatment and Reclamation of Ministry of Education； c.Sichuan Non-metallic Powder Modification and High Quality Utilization Technology Engineering Laboratory, Southwest University of Science and Technology，Mianyang 621010,China)

Abstract:To reduce the pressure drop of dust collector and maintaining stable operation,a cabinet industry dust collector was designed as the experimental platform.Ordinary rectangular nozzle,upper opening diffuser and induction nozzle were used to conduct the industrial dust filtration experiments via filter cartridge with diameter and height of 325 mm and 600 mm.Clean-on-demand pulse-jet mode was used to investigate the influence of different nozzle forms to the dust collector operating condition,under different injection pressure such as 0.2,0.3 and 0.4 MPa.The results show that under 0.4 MPa injection pressure,the average cleaning interval time of three nozzles respectively are 459 s of ordinary rectangular nozzle,679 s of upper opening diffuser,554 s of induction nozzle.Compared with ordinary rectangular nozzle,both upper opening diffuser and induction nozzle effectively increase the average cleaning interval time and reduce the dust emission concentration.

Keywords:induction nozzle;clean-on-demand;folded filter cartridge;dust emission concentration

中图分类号：X964                              文献标志码：A

文章编号：1008-5548(2022)05-0048-09

DOI:10.13732/j.issn.1008-5548.2022.05.007

收稿日期： 2022-01-17， 修回日期：2022-03-08，在线出版时间：2022-08-01 09:00。

基金项目：国家自然科学基金项目，编号：51508481；四川省科技厅重点研发项目，编号：2020YFG0186。

第一作者简介：薛峰(1996—)，男，硕士研究生，研究方向为工业通风和除尘技术。E-mail：xuefeng1996creed@163.com。

通信作者简介：颜翠平(1981—)，女，副研究员，博士，研究生导师。研究方向为脉冲喷吹滤袋、滤筒除尘器的制备及其清灰性能和应用。E-mail：cuipingy_2004@163.com。