DENG Ning,ZHANG Mingxing,WANG Yunduan,XUE Feng,CHEN Haiyan

(School of Environment and Resource,Southwest University of Science and Technology,Mianyang 621010,China)

Abstract:An industrial experiment platform of the polyethylene filter dust collector was built,choosing fly ash as the experimental raw material.The operating state parameters of the polyethylene filter dust collector were obtained in industrial production by changing the pulse interval,filtering wind speed and injection pressure.The results show that the influence of the filtering wind speed on the operating parameters of the polyethylene filter dust collector shows an obvious regular change.The functional relationship between the resistance increase of the dust particles with d₅₀ of 17 μm and 5 μm and the filtering wind speed are y=40.711 9x²- 24.878x+1.02 and y=49.206x²-82.401x+1.01.The filter wind speed ranges for stable operation are 2.2～3.8 m·min^-1 and 2.2～3.6 m·min^-1 respectively.The spraying pressure of 0.5 MPa of the polyethylene filter dust collector has the best spraying effect and can stabilize the running resistance of at 11.7 kPa when collecting dust with d₅₀=17 μm at a filter wind speed of 4.0 m·min^-1.

Keywords:polyethylene filter material;pulse-jet cleaning;dust collector resistance

中图分类号： TU7                              文献标志码：A

文章编号：1008-5548(2022)05-0040-08

DOI:10.13732/j.issn.1008-5548.2022.05.006

收稿日期： 2022-01-18， 修回日期：2022-03-08，在线出版时间：2022-08-01 09:01。

基金项目：浮法玻璃新技术国家重点实验室开放基金项目，编号：5150848；四川省科技厅重点研发项目，编号：2020YFG0186。

第一作者简介：邓宁(1998—)，女，硕士研究生，研究方向为通风除尘。E-mail:15991899115@163.com。

通信作者简介：张明星(1982—)，男，副研究员，硕士，硕士生导师，研究方向矿物加工。E-mail:13778149628@139.com。