A plant with a rotary jet grinder to produce small fractions of mineral raw material

Abstract

Abstract This paper presents the results of studying a set of equipment including a centrifugal mill and a separator. It presents data on the plant’s design and operation, defines a rational shape of the working surface of the mill’s accelerating discs providing highly effective collision of particles moving in oncoming flows. As a result of theoretical studies, we established that the generatrix of such a surface should have the form of a logarithmic curve. Experimental studies have shown that the best quality of the plant operation is achieved with certain combinations of parameters, such as rotor speed, the distance between the ends of rotating rotors, and the air flow rate.