Metso Outlines Four Options to Speed Up Primary Gyratory Crusher Relining

Metso Oyj, a global provider of equipment for the mining and metals industry, has introduced four distinct strategies to accelerate the relining of primary gyratory crushers. These solutions aim to substantially decrease maintenance shutdown times and improve workplace safety.

The traditional process of relining a primary gyratory crusher can extend for several days, potentially up to a week, involving laborious replacement of wear parts. Metso's first option involves utilizing double-tier concave segments. These larger segments effectively halve the number of individual parts that need to be handled, thereby reducing installation time and minimizing personnel exposure to potential hazards.

Further efficiency gains are offered through the use of specialized handling tools. Concave removal trays and concave carousels allow for entire tiers of segments to be lifted and installed simultaneously. According to Metso, employing these tools can cut relining time in half by drastically reducing the number of required lifts. While these tools represent an initial investment, they are projected to yield returns through increased uptime and enhanced safety.

For operations demanding the highest levels of availability, Metso presents the "rotable top shells" solution. This involves pre-relined shell segments that can be quickly swapped during a shutdown, eliminating the need to install individual concaves on-site. This method further reduces the duration of the outage, requires less labor, and improves safety by minimizing complex maneuvers within the crusher.

Metso emphasizes that the effectiveness of these solutions is also dependent on the personnel performing the work. The company offers specialized service teams to ensure efficient and safe execution. These new relining approaches offer considerable advantages over conventional methods, boosting both operational efficiency and worker safety in mining operations.