Calculation of the efficiency of catching drops in the axial centrifugal separators with the paddle swirlers

Abstract

Produced measurements have shown, that at calculation of the efficiency of separation of the dispersed phase in the axial centrifugal separators with the paddle swirlers it is required to consider the effect of three factors: deposition under the action of inertial forces, turbulent diffusion and the displacements of particles under the action of a non-zero radial component of the averaged velocity of the flow. In the case of small particles it can be considered the individual impact of these factors. Trapping efficiency mainly depends on the magnitude of the concentration of fine particles and their deposition rate in the near-wall zone. Each selected separator design meets the individual range of steady work, at which the minimum amount of ash is gained.

Keywords

centrifugal / separator / paddle swirler / turbulent diffusion / forces of inertia / concentraion / dispersed phase / priming of fluid / near-wall zone / gas velocity

RIGHTS & PERMISSIONS

Zhikharev A.S., Cherepanova O.A.