Five filter materials were tested in the laboratory to determine the most suitable materials for trapping powder released during the steel production process in a 10 t EAF. The study aimed to identify filter materials that would ensure efficient dust removal, reliable filtration, low energy consumption, and manageable investment and operation costs.
The laboratory tests assessed the effectiveness of the filter materials on the powders released from the 10 t EAF during steel elaboration. The granulometric analysis revealed two categories of particles: fine particles under 1 μm, and coarse particles ranging from 1 to 20 μm. The majority of particles analyzed were less than 10 μm in size.
The tests also evaluated the air permeability of the filter materials, their performance when clogged, and the effectiveness of dust containment. The results highlighted the importance of selecting the right filter material to ensure proper filtration of dust-laden gases from the EAF.
Based on the findings, a pollutant capture system was designed for the 10 t EAF, involving a hood, duct system, air cleaning device, and fan. The system’s effectiveness was validated through laboratory tests, which showed a significant reduction in contaminant levels in the work environment post-installation.
Overall, the study demonstrated the importance of selecting the right filter materials and designing an effective pollutant capture system to ensure a clean and safe working environment in steel production facilities. The findings provide valuable insights for improving dust removal efficiency and ensuring environmental compliance in the steel industry.
