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Analysis of Screening Performance using Discrete Element Modeling
Chalmers University of Technology.
Chalmers University of Technology.
Chalmers University of Technology.
Chalmers University of Technology.ORCID-id: 0000-0002-3283-067x
2017 (Engelska)Konferensbidrag, Poster (med eller utan abstract) (Refereegranskat)
Hållbar utveckling
Jag anser att innehållet i publikationen faller inom ämnet hållbar utveckling.
Abstract [en]

Screening is an important process in size classification of granular materials. It is a complex process due to the collision between particles and also a number of different operational parameters that effect the screening process. The aim of this paper is to evaluate screening performance in one of the LKAB crushing platforms.

In this work an industrial vibration screen has been simulated by using Discrete Element Method (DEM). The simulations were validated with data from experiments and the screening performance has been analyzed by changing the parameters such as feeding rate.

The result shows that DEM simulation is an effective tool for understanding the process of screening and because of the contact model between individual particles and particles and geometries the result is comparable with real process. It is shown that by increasing the feeding rate to 100 ton/h the screening efficiency can be improved by 20 percent.

Ort, förlag, år, upplaga, sidor
2017.
Nyckelord [en]
classification efficiency, dem, discrete element method
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Identifikatorer
URN: urn:nbn:se:hb:diva-14935OAI: oai:DiVA.org:hb-14935DiVA, id: diva2:1237873
Konferens
Conference in Minerals Engineering, Luleå, 7-8 February, 2017
Tillgänglig från: 2018-08-10 Skapad: 2018-08-10 Senast uppdaterad: 2018-08-17Bibliografiskt granskad

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Bengtsson, Magnus

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