Research of Aerodynamic Characteristics of Asbestos-Cement Dust in the Ventilation Emissions to the Atmosphere

Abstract

The article describes the chemical properties of asbestos-cement dust and its effect on the human body. The main sources of dust emission at the enterprise for the production of asbestos-cement have been determined. Also in this research were determined the aerodynamic properties of particles of asbestos dust at the plant for the production of asbestos by method of fractional sedimentation. In the course of the experiment, the dispersion composition of dust was determined by the method of sedimentometry and analysis by means of a microscope and a PC. The dependence of the dust settling rate on the equivalent diameter of a particle in a probability-logarithmic grid is revealed.

Assessment of Efficiency of Asbestoscement Dust Collection by Dust Collectors With Countercurrent Swirling Flows

“…The efficiency of dust collecting installation was taken as the response function in all the measurements [14,19,20]. The results of the experimental investigation are wellreproducible.…”

Determination methodology of the subsidence speed of small-dispersed particles of different ranges of storage facilities by visual recording

“…Currently, in a number of countries, including Russia, determined the content in the atmospheric air of particles with the size of not more than 2.5 μm (PM2.5) and not more than 10 μm (PM10), because dust particles of ultra-dispersal size is the most dangerous, these particles can infiltrate into the human lungs. A system for monitoring and evaluating the concentration and composition of small sized particles in storage facilities is currently absent, which does not allow an objective evaluation of the dust impact on the quality of the working environment and air emissions [1][2][3][4].…”