Russia ranks sixth in the world in egg production, with only 13% being processed. In addition, egg waste from incubation cabinets is also accumulated, which can be processed into protein feed using vacuum boilers. In this regard, the development of technology and technical means using the energy of the electromagnetic field of ultra-high frequency for heat treatment of rejected eggs in a continuous mode for farms is relevant. The aim of the research is to develop and substantiate the parameters of the microwave installation for heat treatment of rejected chicken eggs as a protein feed additive. Tasks are being solved: to develop a spatial model of a microwave installation of a continuous operation mode; calculate the construction parameters of the installation. The microwave installation developed contains a vertically mounted truncated non-ferromagnetic bicone. Along its inner side surface, a dielectric tube is laid in the form of a biconical spiral. Parallel to the vertical axis of the bicone, a non-ferromagnetic plate is installed, dividing its volume into two chambers: a resonator and a pause chamber. The plate is made in the form of an axial section of a truncated bicone, along the perimeter of which there are openings for transcendental waveguides worn on the dielectric tube from the pause chamber side. On the side surface of the bicone mounted magnetrons. The structural design of the installation ensures the continuity of the heat treatment process without transporting mechanisms. The calculated self-quality of the resonator is 5000. With an installation capacity of 18 kg/h, the specific energy consumption for heat treatment of eggs is 200 W.h/kg.

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The article is devoted to the analysis of the dielectric parameters of potato and onion tubers for the development of a microwave installation that provides pre-planting treatment by means of a complex effect of electrophysical factors. The sources of energy were magnetrons, Ultratone or Darsonval. The originality of the research includes analysis of the volume of planting material for determination of the required plant performance; analysis of the dielectric parameters of potatoes depending on the frequency of EMF, humidity, and temperature for calculating the power of dielectric losses per unit volume. Theoretical studies of the dielectric parameters of onions presented their structure as a “capillary model”. The development of the design of a microwave installation for provides a complex effect of electrophysical factors when calibrating onions. The justification of the corona discharge intensity of electric-gas-discharge lamps is in UHFEMF. There is the study of the dynamics of onion-sowing heating, justification of effective treatment modes. The dynamics of onion heating shows that with the power of the microwave generators of 3.4 kW and Darsonval of 80 W, the drum drive power of 0.25 kW, it is possible to ensure the installation capacity of 150-200 kg/h at an energy cost of 0.025 kWh/kg.

The aim of the work is to develop and justify the parameters of the installation for the granulation of non-food waste of animal and vegetable origin in the process of dielectric heating. Objectives of the study: to develop microwave installations with volumetric resonators of different configurations, providing high electric field strength and continuity of the process of granulating raw materials; calculate the parameters of the electrodynamic system of the generator (electric field strength, the intrinsic Q factor of the resonator) and visualize the distribution pattern of the electromagnetic field in the resonators of different configurations. The studies were based on the dielectric heating theory and the theory of forming granules from multicomponent raw materials. The parameters of the electrodynamic system of the microwave generator were studied in the CST Microwave Studio program. The structural performance of volume resonators is analyzed from the point of view of the implementation of the requirements imposed by microwave devices and granulators intended for use in farms. Analyzed devices with a toroidal resonator and a disk matrix and with ellipsoid resonators and gear ring matrices are analyzed. The electromagnetic field distributions are visualized in the developed design versions of resonators combined with the working chamber of granulators. The values of the self-quality of the resonators and the electric field strength in them are calculated.