Intensification of gas flow purification from finely dispersed particles by means of rectangular separator

The article considers the issues of gas flow purification from solid particles of small diameters 1-10 μm. The comparison of the efficiency of collecting the finely dispersed particles by rectangular separator and cyclonic separator CN-11 was conducted. The design of a rectangular separator and results of the finely dispersed particles settling on the I-beams of device were introduced. It was shown that different arrangement of I-shaped elements in the device and ratios between them have a significant impact on efficiency of collecting the finely dispersed particles of small diameters. The study of collecting the finely dispersed particles was conducted by means of the software package ANSYS Fluent. The numerical simulation was conducted by solving differential equations of motion and continuity. The turbulence model – SST was used in order to close the system of equations. Here we can find the results of computer simulation and impact analysis of dimensions of the I-shaped elements' projections on the separator's efficiency. The maximum efficiency of separator is achieved when the ratio of the I-beam projection towards its length is equal to 0.2428. The use of a rectangular separator provides an increase in the specific surface area of the contact of phases with a simultaneous decrease in hydraulic resistance against the gas flow. (paper)