Citas bibligráficas
Laureano, A., (2023). Análisis de las fallas del molino de bolas Outotec 24' x 36' para incrementar la producción en plantas concentradoras en una empresa minera [Tesis, Universidad Nacional de Ingeniería]. http://hdl.handle.net/20.500.14076/27085
Laureano, A., Análisis de las fallas del molino de bolas Outotec 24' x 36' para incrementar la producción en plantas concentradoras en una empresa minera [Tesis]. PE: Universidad Nacional de Ingeniería; 2023. http://hdl.handle.net/20.500.14076/27085
@misc{renati/712884,
title = "Análisis de las fallas del molino de bolas Outotec 24' x 36' para incrementar la producción en plantas concentradoras en una empresa minera",
author = "Laureano Cristobal, Angel Dalmiro",
publisher = "Universidad Nacional de Ingeniería",
year = "2023"
}
In the concentrator plants of a mining company, the ore is subjected to a series of treatment stages during continuous operation, such as crushing, grinding, flotation, thickening and filtering. These allow the extraction of a clean ore, uncontaminated by external forces. The main objective of the grinding zone, which includes the ball mill, is to reduce the size of the ore to an acceptable level. Steel balls fill the space inside the ball mill, which usually ranges from 30 to 45% of its total capacity. For a satisfactory result, the ball charge can be made up of steel balls of the same diameter or a combination of different sizes. Ore, water and chemicals, if required, are fed into the ball mill once it has started to rotate. The ore and grinding media (steel balls) are constantly mixed during movement within the mill. The problem is based on unplanned stoppages of the ball mill caused by component failures, which can occur in these ball mills during the grinding time. In order to suggest a preventive maintenance program and evaluate the most frequent breakdowns, in the 24'x36' outotec ball mill, this research work is descriptive and basic. For this purpose, it was proposed to analyze the main components of the ball mill to verify the correct operation. Likewise, the preventive maintenance plan of the ball mill is presented. It is based on the FEA methodology, which provides the failure modes, causes and effects. It also suggests the program activities to be performed, which will help to minimize the failures discovered in the médium term. The failures were identified with the valúes of severity, occurrence and detection of failures with a ranking number from 1 to 10 evaluated for each level of failure of the components, this allowed analyzing the order of priority of risk of the components of the shield, mill body, transmission, bearings and discharge zone.
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