Shpiganovich T. The improvement of the preliminarygrain separation in a direct impact grinder

Object of research is technological process of preliminary separation of grain with differentsionny redistribution of its particles in a crusher of a direct stroke by production of compound feeds. The purpose of this work is improvement of quality and decrease in power consumption of process of crushing at the expense of differentsionny redistribution of particles by preliminary separation of grain in a crusher of a direct stroke. Methods - theoretical researches were based on basic provisions of physics, technical mechanics, methods of differential calculations and the theory of probability, mathematical modeling, applied programming. Processing of results of researches was carried out by means of the COMPUTER - the joint personal computer with use of the tabular Microsoft Excel processor, software Мaple, Autodesk AutoCAD. Novelty - is developed for the first time mathematical model of process of gravitational dimensional separation of grain mixes by means of slot-hole openings which are located between dividing surfaces of brakhistokhronny property and mathematical model of tautokhronny movement of grain particles a gravitational cattle surface for ensuring crushing with a direct stroke; the program and a technique of creation of expansion of separuyushchy cones with the tautokhronny directing; mathematical models of four phases of preliminary gravitational dimensional separation of grain mixes through slot-hole openings are developed; the configuration is proved and the program and a technique is developed for creation of expansion of a surface of brakhistokhronny property. Results - the device design is developed for preliminary separation of grain in a crusher of a direct stroke by production of compound feeds and its introduction is received.