Обоснование конструктивно-технологических параметров зерноочистительной машины на основе гидродинамической модели виброожиженного слоя зернистого материала
Year: 2012
Type: article
Abstract: The use of hydrodynamic model of vibro-liquefied layer of granular material and Lorentz model allows proving design-technological parameters of a grain-cleaner when the cleaning process will proceed most intensively. The purpose is the substantiation of design-technological parameters of a vibrating grain-cleaner on the basis of hydrodynamic model of vibro-liquefied layer of granular material. The purpose can be reached by gaining the following objectives: 1. Definition of the design-technological parameters affecting the effectiveness of grain cleaning process. 2. Definition of the values of design-technological parameters which providing the greatest overall performance of a grain-cleaner. 3. Definition of grain-cleaner throughput capacity. The design of vibrating machine for primary grain cleaning is presented. On the basis of Lorentz model and proceeding from the initial size requirements and the purpose of grain-cleaner and its design features the following design-technological parameters are defined: screen size, diameter of a screen hole, screen angle, frequency and amplitude of oscillation of vibro-liquefying plates, vibroliquefying plates size and the distance between the plates which provides the least value of vibroliquefied dynamic viscosity of wheat grain layer. The grain-cleaner throughput capacity is defined. The following is concluded: The application of hydrodynamic model of vibro-liquefied layer of granular material and Lorentz model enabled proving such values of design-technological parameters of a vibrating grain-cleaner at which the cleaning process will proceed most intensively, namely, the altitude and distance between stimulating plates, the amplitude and frequency of oscillation. The grain-cleaner throughput capacity was defined for the set screen size.
Language: Russian
Subfield: Mechanical Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W33657118