MINERÍA la mejor puerta de acceso al sector minero MINERÍA / ABRIL 2022 / EDICIÓN 535 43 Abstract The process of replacing long conveyor belts has historically been carried out under methodologies that involve the direct participation of personnel who are exposed to the maneuver, as well as a large amount of equipment and large spaces required to remove the entire length of a long conveyor belt. These works may not only depend on human error, leaving some mechanical energies uncontrolled, which, if not controlled, could cause damage to people and equipment. The main processes that will be reviewed and commented in this paper include: Traditional system processes for conveyor belt replacement. Modular system processes for conveyor belt replacement. It has been observed in different ore processing plants that the methodology applied to replace conveyor belts is not always the most appropriate, reason why, in this paper, a new methodology is introduced that uses a combination of different equipment and systems to make the replacement of conveyor belts a more controlled, safe, and orderly process. The new system described also has the advantage of being modular, so that it does not affect the pre and post conveyor belt replacement maneuver, which, by being able to be used in different conveyor belt maneuvers, also results in considerable cost savings and equipment optimization. To date, the new system has no recorded events in terms of damage to people or equipment, making it a more reliable and safer system. The main problems detected with the traditional method of replacing conveyor belts are: • Need for large available space (not applicable to all conveyor belts). • Additional post-pulling maneuvers required to dispose of the old conveyor belt. • Blocking of main roads, accesses, and blocking of emergency units. • Direct interaction with heavy equipment (direct dependence on human error). El nuevo sistema, a la fecha no cuenta con ningún evento registrable en cuanto a daños a personas ni equipos, siendo un sistema más confiable y seguro. Los principales problemas detectados del método tradicional de reemplazo de fajas transportadoras son: Requerimiento de gran espacio disponible (no aplicable para todas las fajas). Requerimiento de maniobras adicionales posjalado, para disposición de faja vieja. Bloqueo de vías principales, accesos y bloqueo a unidades de emergencia. Interacción directa con equipo pesado (dependencia directa del error por factor humano). Objetivos Establecer un diseño óptimo y seguro para los sistemas de reemplazo de fajas transportadoras. Lograr que los equipos utilizados para el reemplazo de fajas transportadoras, sean modulares y que puedan adecuarse a cualquier maniobra de cambio bajo cualquier condición. Determinar la combinación más apropiada y coordinada de los sistemas para reemplazo de fajas transportadoras.
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