The giant jaw plant saves environment and costs by decreasing dump truck traffic at an open pit copper mine.
Metso will supply world's biggest fully mobile, track-mounted crushing plant to Altay Polimetally LLP copper mine in Kazakhstan. The contract also includes large mobile feeding and conveying systems to move the crushed copper ore for further processing, and installation supervision and training. The complete value of the order exceeds EUR 11 million.
"We can judge the Altay Polimetally as a significant contract of an interesting, growing market area. Today, open pit mines are studying globally the possibility to save costs and environment at primary crushing and conveying stages by decreasing on-site ore trucking. With Metso's large scale, fully mobile equipment, we can well meet this customer demand," comments Jorma Kempas, Business manager, In-pit crushing solutions from Metso.
The giant mobile jaw plant will be used at primary crushing stage at Altay Polimetally's new open pit mine, situated in the Karagandy region. Metso's mobile crushing equipment to Kazakhstan will be delivered within the last quarter of 2013. The order is included in Mining and Construction's second quarter 2012 orders received.
A large-scale mobile crushing and conveying process
The almost 400 ton weighing Lokotrack LT200 - biggest ever built - is the key part of the system. The unit processes copper ore with a nominal capacity of 2500 tons per hour. The complete mobile system weighs over 800 tons, though can be moved easily along the mine face.
To withstand the harsh climate conditions during the winter, the whole mobile system is electric driven. The operational temperatures at the mine site vary from +35 C to -35 C.
At the new open pit mine, the blasted copper ore is fed using Metso's MAF210 mobile apron feeder to Lokotrack LT200 jaw plant, and then conveyed using Nordberg LL16 mobile conveying system, and track-mounted stacker to the mine's conveyor network.
The loading height of the tracked mobile apron feeder is 6 meters, and it has a feed hopper volume of 24 cubic meters. The LT200 jaw plant, equipped with Metso's biggest C200 jaw crusher, can crush ore feed lumps up to 1,2 meters in size.
The wheel-mounted LL16 mobile conveyor has two conveyor elements, each 42 meter long. The track-mounted stacker has a discharge height between 3-10 meters.
Altay Polimetally LLP, based in Almaty, Kazakhstan, will extract at the new mine copper ore including gold. The planned ore extraction will be 3 million tons per year, and including host rock 10 million tons.
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