倾斜角
煤尘
除尘器
滤波器(信号处理)
下降(电信)
压力降
环境工程
环境科学
粉尘控制
道路扬尘
金属
煤
材料科学
废物管理
工程类
化学
冶金
物理
微粒
机械工程
机械
结构工程
电气工程
有机化学
作者
Shuda Hu,Shihang Li,Hui Cheng,Hao Jin,Jun Hou,Changgeng Gui,Xingyue Chen,Yuan Liang,Fubao Zhou
标识
DOI:10.1016/j.psep.2023.06.036
摘要
The wet filter dust collector (WFDC) is widely used in dust control in various industries, but its dust collection mechanism is unclear, and the influence of the metal-based filter screen (MBFS) inclination angle on the dust removal performance is still uncertain. In this paper, the liquid film crushing and collecting dust mechanism of MBFS and the influence of its inclination angle on the dust removal performance of WFDC are studied. The results show that with the increase of inclination angle (30° to 150°), the average pressure drop of WFDC first decreases and then increases, the average dust concentration first increases and then decreases, and the MBFS dust removal performance is optimal at 90°. The optimized WFDC was applied on-site in a coal preparation plant, which exceeded the dust suppression efficiencies of 91 % and 88 % for total dust and respirable dust, respectively. The research results are expected to provide theoretical guidance for WFDC design and improvement.
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