Abstract

One of the main problems of the branches of the modern grain processing industry, including milling, cereal and feed production, is their very high energy intensity. In order to achieve high economic indicators in the livestock industry, the feed ration must contain a certain set of substances that fully meets the needs of the animal's body in nutrients. This is possible by preparing full-fledged compound feeds. Therefore, the production of compound feeds is an important branch of agriculture. .Regulation of the degree of grinding of feed grain on rotary grinders can be done by changing the angular velocity of the rotors. The purpose of this work was to conduct a theoretical analysis and practical verification of the process of regulating the degree of grain grinding by regulating the angular velocity of the rotors. When choosing the control scheme of the electric drive, factors such as the structure of the installation, drive power, control range, physical and mechanical properties of the crushed material were taken into account. For two-rotor shredders, there are two variants of the technological process. At the same rotor speeds, depending on the structural parameters of the installation, the power consumption of a small rotor is 60... 80% of the power of a large one. To improve the use of the chopper drive motors, the angular velocity of one drive and the plant performance should be adjusted simultaneously so that the power on the second engine remains constant.

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