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M.G. Vieira¹, I.F. Souza¹, A.L.M. Conrado¹, J.B.C. Florence¹ and F. Bertelli^1,2

¹Post-graduate Program in Mechanical Engineering, UNISANTA, Santos, Brasil
²Federal University of Technology – Paraná, UTFPR, Curitiba, Brasil

doi:10.4203/ccc.15.16.3

M.G. Vieira, I.F. Souza, A.L.M. Conrado, J.B.C. Florence, F. Bertelli, "Assessment of Iron Ore Loss in the Rainwater Drainage Process: A Qualitative Approach to Railway Transport", in J. Pombo, (Editor), "Proceedings of the Seventh International Conference on Railway Technology: Research, Development and Maintenance ", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 15, Paper 16.3, 2026, doi:10.4203/ccc.15.16.3

Keywords: heavy haul transport, pellet feed, drainage, gondola-type wagon, vibration, water.

Abstract

The transport of ore between the mine and the port by railways is normally done using open wagons. Atmospheric environmental effects as the accumulation of rainwater along with the cargo is a typical problem in countries with tropical climates, such as Brazil, and must be addressed carefully. Depending on the volume stored, there will be extra fuel consumption or even cargo loss during movement through the drainage systems installed at the head or floor of the wagon. This work evaluated the mass loss of pellet feed iron ore during water drainage using a reduced-scale experimental setup. Drains printed on a 3D printer with 0.6 mm openings were used, arranged in an acrylic tower with side and bottom compartments for drainage. The study focused on analysing the effects of the cargo height above the drains, since channelling can lead to a significant mass loss. It was observed that for a height of 100mm, the laterally positioned drain allowed the channelling formation with a mass loss of ore above 11%, while for the bottom drain, the loss was less than 5%. As the ore loading column increased, the mass losses during drainage were significantly lower.

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Front Page Browse CCC CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Conferences ISSN 2753-3239 CCC: 15 PROCEEDINGS OF THE SEVENTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 16.3 Assessment of Iron Ore Loss in the Rainwater Drainage Process: A Qualitative Approach to Railway Transport M.G. Vieira¹, I.F. Souza¹, A.L.M. Conrado¹, J.B.C. Florence¹ and F. Bertelli^1,2 ¹Post-graduate Program in Mechanical Engineering, UNISANTA, Santos, Brasil ²Federal University of Technology – Paraná, UTFPR, Curitiba, Brasil doi:10.4203/ccc.15.16.3 Full Bibliographic Reference for this paper M.G. Vieira, I.F. Souza, A.L.M. Conrado, J.B.C. Florence, F. Bertelli, "Assessment of Iron Ore Loss in the Rainwater Drainage Process: A Qualitative Approach to Railway Transport", in J. Pombo, (Editor), "Proceedings of the Seventh International Conference on Railway Technology: Research, Development and Maintenance ", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 15, Paper 16.3, 2026, doi:10.4203/ccc.15.16.3 Keywords: heavy haul transport, pellet feed, drainage, gondola-type wagon, vibration, water. Abstract The transport of ore between the mine and the port by railways is normally done using open wagons. Atmospheric environmental effects as the accumulation of rainwater along with the cargo is a typical problem in countries with tropical climates, such as Brazil, and must be addressed carefully. Depending on the volume stored, there will be extra fuel consumption or even cargo loss during movement through the drainage systems installed at the head or floor of the wagon. This work evaluated the mass loss of pellet feed iron ore during water drainage using a reduced-scale experimental setup. Drains printed on a 3D printer with 0.6 mm openings were used, arranged in an acrylic tower with side and bottom compartments for drainage. The study focused on analysing the effects of the cargo height above the drains, since channelling can lead to a significant mass loss. It was observed that for a height of 100mm, the laterally positioned drain allowed the channelling formation with a mass loss of ore above 11%, while for the bottom drain, the loss was less than 5%. As the ore loading column increased, the mass losses during drainage were significantly lower. download the full-text of this paper (PDF, 11 pages, 825 Kb) go to the previous paper go to the next paper return to the table of contents return to the volume description
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