Study on the Atomization and Dust-Reduction Performance of a New Type of External Pneumatic Vortex Fog Curtain Dust Removal Device in Fully Mechanized Excavation Face

<div>Schematic diagram of experimental device: (a) vector frequency converter, (b) thermal anemometer, (c) nozzles, and (d) centrifugal fan.</div>

Advances in Materials Science and Engineering

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Figure 9

Figure 9: Study on the Atomization and Dust-Reduction Performance of a New Type of External Pneumatic Vortex Fog Curtain Dust Removal Device in Fully Mechanized Excavation Face 

Figure 9 | Study on the Atomization and Dust-Reduction Performance of a New Type of External Pneumatic Vortex Fog Curtain Dust Removal Device in Fully Mechanized Excavation Face 