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Mathematical model of influence of external recycle on the process of granulation of ammophos in a drum granulator-dryer

Abstract

Mathematical model of influence of external recycle on the process of granulation of ammophos in a drum granulator-dryer

Kriushin D.V., Krivonosov V.A., Kozyr O.F., Sokolov V.V.

Incoming article date: 17.12.2019

The granulation process of ammophos in a drum granulator-dryer (DGD) is considered. The main factors affecting the granulation process are considered. The inputs and outputs of the mathematical model of the granulation process are determined. A dynamic mathematical model has been developed for the formation of the equivalent diameter of ammophos granules depending on the flow rate and particle size distribution of the external recycle. Graphs of comparison of simulation results with actual data of normal operation are presented. A graph of the dependence of the equivalent diameter of the granules on the flow rate of external recycling is presented. The model is intended to create a system for stabilizing the granulation mode.

Keywords: ammophos, recycle, granulation, particle size distribution, drum granulator-dryer, modelling, mathematical model