CRUSHER: Metso freeze-proofs crushing and screening plants for Antarctica

HELSINKI – Metso Group is delivering three Lokotrack crushing and screening plants retrofitted for extreme cold for the reconstruction of the U.S. […]
The international team that inspected the Metso crushing and screening equipment prior to its shipment to Antarctica.
[caption id="attachment_1003731606" align="aligncenter" width="424"] The international team that inspected the Metso crushing and screening equipment prior to its shipment to Antarctica.[/caption] HELSINKI – Metso Group is delivering three Lokotrack crushing and screening plants retrofitted for extreme cold for the reconstruction of the U.S. National Science Foundation’s (NSF) McMurdo research station in Antarctica. The equipment enables crushing in temperatures as low as –40°C. McMurdo Station, located on an island in the Ross Sea, is the U.S. Antarctic Program’s logistics hub and the largest of the three stations that the U.S. operates in Antarctica. McMurdo is being rebuilt under the Antarctic Infrastructure and Modernization for Science (AIMS) project, a long range initiative to upgrade the station to make it logistically and energy efficient. Metso’ equipment will be used for three years in crushing the ground materials for the new buildings. All in all, this will amount to more than 126,000 m3 of aggregates. In the extreme conditions of Antarctica, the equipment can only be used during the Southern Hemisphere summer, which lasts from October to April. The hard basalt to be crushed will come from an area near the station. The equipment to be delivered to Antarctica – the Lokotrack LT106 jaw crusher plant, the LT200HP cone crusher and the ST3.8 mobile screen – are all retrofitted for extreme cold. In addition, the mechanics at Metso’s technology center for track mounted equipment in Tampere, Finland, have also developed additional protections for the equipment. “Every part sensitive to cold has been fitted with immersion heaters and extra insulation. The selected oils and other fluids are suitable for the Antarctic climate and the specially manufactured conveyor belts run even in extremely cold weather,” says Marko Salonen, project manager at Metso’s aggregates equipment business area. “Alongside the equipment, we also prepared the maintenance and spare parts service in such a way that everything conceivable can be anticipated and serviced independently on site. Even the packaging materials were chosen in a way that ensured that nothing unnecessary would be transported to the unique Antarctic environment,” adds Salonen. The crushing plants began their long journey, spanning nearly the entire globe, at the beginning of October. From Finland, the equipment was shipped to Germany and from there to Port Hueneme, Calif., from where it will travel onward to Antarctica via Christchurch, New Zealand. The final leg of the journey will be led by an icebreaker, followed by two vessels carrying a total of 35 earthwork machines. The cargo is expected to reach the McMurdo harbor at the beginning of February next year. Visit www.Metso.com to find the cold weather solution for your operation.

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