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  • Experience of using a moisture meter in studies of the kinetics of drying liquid lignosulfonate

    The article deals with the main problems of obtaining experimental data on drying liquid dispersed products. The main difficulties of using a moisture meter to obtain kinetic curves of drying difficult-to-dry liquid materials are given. On the example of lignosulfonate drying curves of samples of liquid product in different conditions are obtained. Presented that the application of the proposed method of the experiment on the moisture meter does not lead to early completion of the operation of the analysis of the drying process.

    Keywords: kinetics, moisture meter, drying, moisture, solvent, evaporation, lignosulfonates

  • Some problems of modeling of processes of drying from organic solvents

    The article considers the way of organizing the process of material drying from organic solvents. The typical kinetic curves, observed in the evaporation of solvents. Given received and the recommended equations for calculating the evaporation intensity and the surface temperature of the evaporation in the first period. The analysis of major scientific and technological problems arising in the implementation of new drying technologies.

    Keywords: modeling, calculation, drying, solvent, kinetics, evaporation, energy saving

  • Some features of simulation of the dryer with a fluidized bed of inert particles

    The article presents a description of the main factors, which are necessary for correct simulation of process drying in a fluidized bed of inert particles. The main difficulties encountered in the scaling of laboratory dryers. Specify the nature of the impact interaction of the particles of inert and drying agent on heat-mass transfer in the drying process. Presents the description of the statistical models used to simulate the interaction of particles of inert material. Specify the main parameters and assumptions of the model. Presets the experimental conditions for the analysis of the nature of the motion of individual particles in a fluidized bed.

    Keywords: modeling, fluidization, inert, drying, mode, particle, layer, trajectory, scaling

  • The study of the nature of the fluidized bed in the dryer with inert particles

    The article presents a description of the nature of the behavior of the fluidized bed consisting of heterogeneous particles, in the apparatus used for drying the dispersed liquid products. Given a description of the features of the experimental setup and methods of processing of obtained results. Describes the characteristic of the observed inhomogeneities of the layer. Shown types formed in the layer of gas bubbles, and describes their coalescence in the layer. Describes the basic mechanisms of coalescence bubbles in a fluidized bed of heterogeneous particles.

    Keywords: fluidization, layer, inert, drying, bubble, channel, mode, heterogeneity

  • Some features of drying pasty materials on substrates

    The article presents the peculiarities of the kinetics of drying of liquid and pasty products on substrates by the example of drying corn liquid. The description of the operating conditions of experiments. The description of the character of the kinetic curves. Presents an analysis of their behavior that is associated with the mechanism of the formation on the surface of the dried product of the solid crust, dramatically slowing the rate of evaporation from the surface. Describes the effect of the drying on the surface color of the dried product.

    Keywords: substrate, drying, pasta, semi-finished product, color, kinetics, cortex, layer

  • Intensification of the drying process of liquid distillery stillage in the apparatus with a fluidized bed of inert patticles

    The article presents a description of the possible approaches for the process of intensification of liquid distillery stillage drying in the apparatus with a fluidized bed of inert particles contains a description of some inhomogeneities arising in the study of the drying process in a fluidized bed. Presented the possibility of intensification of the drying process due to the specific interaction of flow of the drying agent and particles of inert.

    Keywords: inert, distillery stillage, drying, machine, form, kinetics, intensification, layer, flow, direction, heterogeneity