INFLUENCE OF COMPOSITE FILTER FABRIC THICKNESS AND GAS VELOCITY ON CLEANING EFFICIENCY
DOI:
https://doi.org/10.5281/zenodo.19629612Keywords:
dust-laden gas, bag filter, filter fabric, glass fiber, PTFE (Teflon) fiber, cleaning efficiency, gas velocity, pressure loss, filter thickness.Abstract
This study examines the influence of filter fabric thickness and inlet gas velocity on the cleaning efficiency of a bag filter unit operating at a dust concentration of 900 mg/m³, with the filter medium manufactured from a combination of glass fiber and PTFE (Teflon) fibers. In the investigation, polydisperse quartz dust with a particle size range of 2–10 μm was used as the test dust. The calculation results demonstrated that, as the filter fabric thickness increased from 1 mm to 2 mm and the gas velocity rose from 10 m/s to 20 m/s, the cleaning efficiency increased consistently. However, this improvement was accompanied by a simultaneous increase in aerodynamic resistance and pressure loss. The obtained results highlight the need to establish an optimal balance between filtration efficiency and energy consumption in the filtration process.
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