The SAG mill trommel screen provides a simple mechanism to classify large volumes of mill product.
Many designers and mill operators believe that the benefits of simplicity and the ability to handle throughputs in excess of 5 000 tph of solids make trommels the preferred equipment for this application.
Multotec has been supplying trommel screens since 1982. Multotec has the process capability to size SAG mill trommels to suit each customer’s unique requirements, and supplies this equipment to both mill OEMs and mines in diameters of up to 5.5 m.
Process guarantees are supplied with all trommel screens sized by Multotec.
Optimised for extreme SAG Mill duty:
Considering the size and complexity of large SAG mill trommel frames, the latest Finite Element Analysis techniques are used to reduce fatigue stresses and ensure structural integrity. The stresses considered are those induced by deformation of the support trunnion, the live load as well as the mass of the trommel screen. All the frame surfaces that are exposed to the milled product are covered with a wear resistant material, with rubber being the most common option.
- All Multotec trommel frames are either vibratory or thermally stress relieved
- Welds are NDT-tested
- Frames supplied with machined flanges
- Providing that trommel frames have not worn excessively, it is often viable to repair and refurbish the units