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Research of Modified Atomizers and Their Application for Moistening of Air-Cleaning Device Charges

Author

Listed:
  • Pranas Baltrėnas

    (Institute of Environmental Protection, Vilnius Gediminas Technical University, Saulėtekio al. 11, Vilnius LT-10223, Lithuania)

  • Edita Baltrėnaitė-Gedienė

    (Institute of Environmental Protection, Vilnius Gediminas Technical University, Saulėtekio al. 11, Vilnius LT-10223, Lithuania)

Abstract

The size of sprayed droplets is a very important parameter that influences the operational efficiency of air-cleaning device charges. It is desirable for atomizers to spray droplets that are dispersed as much as technically and economically reasonable and possible. Fine dispersion spraying ensures effective moistening of the air-cleaning device charges, as well as an optimal consumption of water or other liquids. Three modifications of special atomizers were used for experimental analysis. The atomization of liquid and spraying in the special atomizer occurs when two frontal streams confront each other. Frontal streams are formed by an inner shield located in the special atomizer. The experiment was conducted using different spraying pressures, namely: 6 bar, 4 bar, 2 bar. The evaluation (performed using a microscope) of the size of sprayed droplets shows that the best (finest) spraying was by the special atomizer of modification 3. The depth of the channel of the inner shield is the parameter that has the biggest influence on the size of sprayed droplets. The special atomizer of modification 3 produces droplets with the following size distribution and rates: ≤0.05 mm—63.2 vol%; 0.2–0.6 mm—28.3 vol%; 0.6–1.0 mm—8.1 vol%; ≥1.0 mm—0.4 vol%.

Suggested Citation

  • Pranas Baltrėnas & Edita Baltrėnaitė-Gedienė, 2019. "Research of Modified Atomizers and Their Application for Moistening of Air-Cleaning Device Charges," Sustainability, MDPI, vol. 11(19), pages 1-14, October.
  • Handle: RePEc:gam:jsusta:v:11:y:2019:i:19:p:5522-:d:273875
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