Giant for large feeding capacities
Kleemann demonstrates its competence in the construction of special plants with its largest mobile jaw crusher, the Mobicat MC 160.
The Mobicat MC 160 is a first-class plant: An overall weight of almost 400 tons, over 9 m high and approx. 35 m long, it is designed for maximum efficiency. In order to be able to feed the planned charge quantities of up to 1500 t/h into the crusher, an apron conveyor is used as a feeding unit. This sits on a separate chassis with its own drive system and a hopper suitable for charging by dumper. The main unit consists of a grizzly using a double-deck roll screen and the SStR 1600 crusher, a single toggle jaw crusher with feed size of 1600 x 1250 mm, which already adds a good 80 tons to the weight.
Application in Chile
From the start of next year the operation site of the machine will be an iodine production mine in the Atacama desert in northern Chile. Here huge quantities of stone containing iodine will be mined. Before the typical mining process of leaching and loosening, the MC 160 crushes the stone to a size of 0-250 mm. As a lot of material in the final grain size is already available in the charged material, efficient primary screening is particularly important. This is achieved using a double-deck roll screen in place of a conventional screen.
Apron conveyor with XXL feed hopper
The feeding unit already impresses with its dimension and performance details. A 225 kW diesel engine powers the hydraulics for the crawler running gear, and a separate generator makes available power for maintenance purposes and some auxiliary functions. The feed hopper is almost 8.5 m wide on the feeding side and can hold volumes of up to 200 m³. The apron conveyor itself has a working width of approx. 1600 mm; the length between the axes is almost 12 m.
Roll screens ensure efficient primary screening and the large crusher guarantees huge crushing capacity.
On the main unit two back-to-back roll screens with a width of 1.60 m and an overall length of 5.60 m ensure efficient primary screening. The crusher unit is suitable for feed sizes of up to 1400 mm. Powered by a 250 kW electric motor, which is supplied by a 580 kW diesel engine, sufficient power is available for maximum feed capacities in all situations. Just like all the Kleemann machines used in quarries, the diesel-electric drive concept used here also allows the plant to be connected to an external power source. The crusher discharge conveyor is 1.80 m wide and over 12 m long and thus offers sufficient capacity to safely and reliably discharge the material into stockpiles.
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