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Optimisation Aspects of Compressive Crushing

Carl Magnus Evertsson (Institutionen för produkt- och produktionsutveckling, Produktutveckling) ; Erik Hulthén (Institutionen för produkt- och produktionsutveckling, Produktutveckling) ; Elisabeth Lee (Institutionen för produkt- och produktionsutveckling, Produktutveckling) ; Per Svedensten
Proceedings of the XXIV International Mineral Processing Congress Vol. 1 (2008), p. 40-49.
[Konferensbidrag, refereegranskat]

Compressive crushing is applied in crushing plants used in mineral, mining, and aggregate industry for fragmentation of rock materials. From a global perspective, the total volume of crushed rock is massive and corresponds to several billion tons. All societies have to fulfil a daily need of rock material products and its derivatives such as metals and minerals. The business for metals and minerals is global while the aggregates production is mainly a local industry.

This paper presents a broader overview of optimisation with respect to product yield, use of natural resources and energy consumption. High level plant optimisation of compressive crushing plants is covered as well as real-time optimisation and optimisation of single production units.

Each of three optimisation areas are presented and a discussion around how these three areas will be able to communicate with each other is given. Several models, e.g. process performance behaviour with respect to wear, as well as fitness functions can be common for all three areas. Well-defined and representative fitness functions are of the utmost importance in order to assure that the optimisation results reflect the production targets.

It is concluded that great benefits can be achieved by linking together different areas of optimisation. The future for compressing crushing lies, without a doubt, in tailored processes both with respect to machines optimised for each customer, plant parameters and operation routines as well as an on-line adjustment, which takes into account current information and control possibilities.

Nyckelord: Crushing, Optimisation, Fitness function

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Denna post skapades 2008-10-01. Senast ändrad 2015-05-08.
CPL Pubid: 74651


Institutioner (Chalmers)

Institutionen för produkt- och produktionsutveckling, Produktutveckling (2005-2017)


Annan samhällsbyggnadsteknik
Övrig industriell teknik och ekonomi
Övrig teknisk materialvetenskap
Mineral- och gruvteknik

Chalmers infrastruktur