DBPapers
DOI: 10.5593/SGEM2015/B11/S4.089

RESEARCH ON THE RELIABILITY AND MAINTENANCE OF PUMPS FROM THE PROCESS FLOW OF COAL PREPARATIONS OF THE ENERGY COMPLEX HUNEDOARA

D.G. Pricop, V.A. Florea
Wednesday 5 August 2015 by Libadmin2015

References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-31-5 / ISSN 1314-2704, June 18-24, 2015, Book1 Vol. 1, 697-704 pp

ABSTRACT
In practice of useful mineral substances preparation is imperative to establish the actual reliability of machinery and equipment of the production units, to find ways to reduce the volume and cost of maintenance and repair and therefore profit maximization. In general, it is considered that improving reliability reduces maintenance costs while the money spent on preventive maintenance can improve the reliability. The technological process for obtaining the final products from the preparations of coal of the Energy Complex Hunedoara is performed using water. The technological flux pumps of coal preparation feed the dewatering screens, hydrocyclone batteries and jig washer being subjected to excessive wear. In this paper we analyze the reliability of centrifugal type pump subassemblies Warman, in order to determine the number of spare parts to be reserved so that equipment maintenance needs, during the cumulated operation, be covered with a certain probability cover.

Keywords: reliability, maintenance, pumps, spare parts

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