Abstract. In order to obtain quick information about the connectivity of the dust in the production test system-cleaning it is advisable to use the concept of connectivity indicator, which characterizes all kinds of strength characteristics of particulate material when changing conditions of particle interactions. Offers a simple method of indication of cohesion of particulate material, influencing the formation of sediment particles in the nozzle.

Abstract. The interaction of the agglomerated fine dust particles from the surface of the rotary pyleprovoda, given deposit formation evaluation. The interaction of large particles to the surface of the rotary pyleprovoda. The analysis of hydrodynamic phenomena in the means of protection against wear.

Abstract. It providesanalysis of methods for assessing circumferential speeds distribution of pressure in the cyclone chamber. It is shown that for cylindrical chambers of less than two diameters and the inlet section of at least 0.1 square cross section the maximum peripheral speed and rate distributions circumferential speeds along the current line is not changed. Analysis of the distribution shows that the concentration of small particles that are typical for gas dedusting systems have a significant impact on the distribution of pressure, vacuum and on the axis of the absolute value decreases toward dust of output section unlike the swirl chambers fuel combustion.

Abstract.A comparison of the level of circular velocities and velocities of turbulent transfer in a coaxial channel and a countercurrent cylindrical cyclone is performed. Comparison of dust separation efficiency in these apparatuses is made.

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