The devices for mixing on the basis of rotary drums are increasingly used in the development of biotechnological processes of fermentation, and therefore, increasing the efficiency of their work by substantiating methods for determining the parameters of the centrifugal movement of particles on a radial shovel in a rotating drum that will allow the establishment of rational angular velocity and structural parameters of rotary drums , needs further improvement. In this work the motion of a material particle on a radial shovel in a rotating drum with the consideration of the following parameters: the diameter and radius of the drum, the initial radius of the position of the material on the shoulder blade, the acceleration of gravity, the coefficient of friction of the material on the shaft, the equivalent diameter and particle density, and also the dynamic 'air quality. The use of particle motion parameters on a radial shovel in a rotating drum, as shown above, allowed to determine and compare the patterns of particle motion, taking into account and without taking into account the air resistance, depending on the quadrant in which it is located. The trajectories of the material particle in motion along the radial shovel in a rotating drum have allowed to determine the effect of the air resistance on radial displacement and the radial velocity of the particle in 4 quadrants. These studies show that the trajectory of the motion of a material particle in different quadrants is influenced by the centrifugal force, the friction force that occurs due to the coriolis force, the frictional force due to the gravitational force, and also the force of gravity. But each force influences differently, depending on the location of the material particle, that is, the angle of the vane of the radial blade
drum, radial blade, the movement of particles, air resistance
Retrieved from No. 12(73), 2018
Pages 23-29