<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In the process of preparing cement or asphalt concrete – frequently used in ways, roads and access road construction, it is necessary to sort out poly-dispersed granular mixtures from bilge deposits or quarries. The mechanical sieving performs the separation of the granules on dimensional sorts (the size of graded grains can be 1... 70 mm) by means of machines called screeners. In the case of vibrating screeners, the working body (the sieve) presents a vibratory movement that ensures a high productivity of the screening machine and a very good quality of the final products obtained. The article studies the productivity of the vibrating screen used in mineral aggregates sorting process obtained by different methods. In this regard, a pragmatic simplified formula called Pragma is proposed, a formula which was tested with good results in situ experiments done on a bi-mass vibrating screen in a pilot station.</p></abstract>

In the process of preparing cement or asphalt concrete – frequently used in ways, roads and access road construction, it is necessary to sort out poly-dispersed granular mixtures from bilge deposits or quarries. The mechanical sieving performs the separation of the granules on dimensional sorts (the size of graded grains can be 1... 70 mm) by means of machines called screeners. In the case of vibrating screeners, the working body (the sieve) presents a vibratory movement that ensures a high productivity of the screening machine and a very good quality of the final products obtained. The article studies the productivity of the vibrating screen used in mineral aggregates sorting process obtained by different methods. In this regard, a pragmatic simplified formula called Pragma is proposed, a formula which was tested with good results in situ experiments done on a bi-mass vibrating screen in a pilot station.

Innovative Calculation Method of the Productivity of Vibrating Screens Used in Mineral Aggregates Sorting

Technical University of Civil Engineering

Vice-Rector of Technical University of Civil Engineering

Mechanical Department of Faculty of Technological Equipment

Romanian Journal of Transport Infrastructure

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In the process of preparing cement or asphalt concrete – frequently used in ways, roads and access road construction, it is necessary to sort out...

Innovative Calculation Method of the Productivity of Vibrating Screens Used in Mineral Aggregates Sorting

Published Online: Mar 02, 2019

Page range: 1 - 13

DOI: https://doi.org/10.2478/rjti-2018-0008

Keywords
vibrating screen, mineral aggregates, productivity, Pragma method

© 2018 Amelitta Legendi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Innovative Calculation Method of the Productivity of Vibrating Screens Used in Mineral Aggregates Sorting

Published Online: Mar 02, 2019

Page range: 1 - 13

DOI: https://doi.org/10.2478/rjti-2018-0008

Keywordsvibrating screen, mineral aggregates, productivity, Pragma method

© 2018 Amelitta Legendi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
vibrating screen, mineral aggregates, productivity, Pragma method