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Raw Materials for Metallurgical Production
ArticleName The control method concept of bulk material behaviour in the pelletizing drum for improving the results of DEM-modeling
DOI 10.17580/cisisr.2019.01.02
ArticleAuthor A. V. Boikov, R. V. Savelev, V. A. Payor, O. O. Erokhina

St. Petersburg Mining University (St. Petersburg, Russia):

A. V. Boikov, Dr. Eng., Assistant Professor, Department of Automation of Technological Processes and Production (ATTP), e-mail:

R. V. Savelev, Student

V. A. Payor, Student


Peter the Great St. Petersburg Polytechnic University (St. Petersburg, Russia)

O. O. Erokhina, Student


One of the problems of the use of drum pelletizers in metallurgy is the lining wear, as well as the economic costs associated with it, including increased energy costs during operation and the need to periodically stop the units and then replace the lining. Most significantly the trajectory of particle motion affects the lining wear profile and wear intensity. It is assumed that during the implementation of the technological process, a monodisperse occurs, which has the greatest effect on the wear profile. In addition, the lining wear is influenced by the impact of particles at an acute angle, with a maximum impact caused by a collision at an angle of 39°18′. At present there are no universal solutions for determining the degree of lining wear in real time with a corresponding adjustment of the pelletizing process parameters. Creating a system for monitoring the lining wear is necessary for timely repair and maintenance of equipment to prevent an emergency situation, as well as increase the service life of the aggregates. This article proposes a concept of a method that allows to evaluate the trajectory of the charge during the technological process according to the coordinates of the movement and acceleration of the probe in the unit during the implementation of the technological process. The digitization and analysis of data obtained from the probe will allow to assess the integrity of the lining surface, the degree of lining wear and places with increased wear rate in real time with the possibility of adjusting technological processes to increase the lining service life. The obtained data will allow to clarify the computer model of the process by assessing the behavior of the charge in the unit and create a reserve for the further implementation of digital twin equipment.

keywords DEM-modeling; drum pelletizers; cast iron production; track recovery; digital twin; wear rate; wear pattern; pelletizing automation; a probe

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