COMMINUTION - THE FIRST STEP IN MINERAL DRESSING

Comminution is the process in which by activity of mechanical forces the dispersion state of solid material is being changed. The dispersion state is definitely determined by the granulometric compo¬sition particle (size distribution). The comminution is a consequence of the particle deformation, in...

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Main Authors: Branko Salopek, Goran Bedeković
Format: Article
Language:English
Published: Faculty of Mining, Geology and Petroleum Engineering 2000-12-01
Series:Rudarsko-geološko-naftni Zbornik
Subjects:
Online Access:http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=20587&lang=en
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author Branko Salopek
Goran Bedeković
author_facet Branko Salopek
Goran Bedeković
author_sort Branko Salopek
collection DOAJ
description Comminution is the process in which by activity of mechanical forces the dispersion state of solid material is being changed. The dispersion state is definitely determined by the granulometric compo¬sition particle (size distribution). The comminution is a consequence of the particle deformation, in what this deformation is dependent on the force offering mode, its velocity and size. The breaking of individual particles is the most efficient comminution method because the energy losses owing to friction and unproductive tension in the instant of breakage are avoided. The greatest energy losses occur in ball mills and that because of the friction between the newly-formed particles and of these particles and the balls and the mill lining. New insights have led to a better understanding of comminution in real conditions and to innovative interventions which increased the efficacity of the individual devices, and that with regard to particle size distribution and particle dislocation degree as well as to energy consumption. Some new kinds of crushers have been invented, of whose most mentioned are the high pressure roll crusher and the inertial cone crusher (the paper is published in Croatian).
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spelling doaj.art-2e33a9a1301e4d7f9f4b6fc3b6d4847c2023-09-02T21:12:42ZengFaculty of Mining, Geology and Petroleum EngineeringRudarsko-geološko-naftni Zbornik0353-45291849-04092000-12-011218388COMMINUTION - THE FIRST STEP IN MINERAL DRESSINGBranko Salopek 0Goran Bedeković 1Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Pierottijeva 6, Zagreb, CroatiaFaculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Pierottijeva 6, Zagreb, CroatiaComminution is the process in which by activity of mechanical forces the dispersion state of solid material is being changed. The dispersion state is definitely determined by the granulometric compo¬sition particle (size distribution). The comminution is a consequence of the particle deformation, in what this deformation is dependent on the force offering mode, its velocity and size. The breaking of individual particles is the most efficient comminution method because the energy losses owing to friction and unproductive tension in the instant of breakage are avoided. The greatest energy losses occur in ball mills and that because of the friction between the newly-formed particles and of these particles and the balls and the mill lining. New insights have led to a better understanding of comminution in real conditions and to innovative interventions which increased the efficacity of the individual devices, and that with regard to particle size distribution and particle dislocation degree as well as to energy consumption. Some new kinds of crushers have been invented, of whose most mentioned are the high pressure roll crusher and the inertial cone crusher (the paper is published in Croatian).http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=20587&lang=encomminutionparticle breakageenergycrushing machines
spellingShingle Branko Salopek
Goran Bedeković
COMMINUTION - THE FIRST STEP IN MINERAL DRESSING
Rudarsko-geološko-naftni Zbornik
comminution
particle breakage
energy
crushing machines
title COMMINUTION - THE FIRST STEP IN MINERAL DRESSING
title_full COMMINUTION - THE FIRST STEP IN MINERAL DRESSING
title_fullStr COMMINUTION - THE FIRST STEP IN MINERAL DRESSING
title_full_unstemmed COMMINUTION - THE FIRST STEP IN MINERAL DRESSING
title_short COMMINUTION - THE FIRST STEP IN MINERAL DRESSING
title_sort comminution the first step in mineral dressing
topic comminution
particle breakage
energy
crushing machines
url http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=20587&lang=en
work_keys_str_mv AT brankosalopek comminutionthefirststepinmineraldressing
AT goranbedekovic comminutionthefirststepinmineraldressing