Trommel screens can be used in a variety of applications such as classification of solid waste and recovery of valuable minerals from raw materials. Trommels come in many … See more

One of the available designs of trommel screens is concentric screens with the coarsest screen located at the innermost section. It can also be designed in parallel in which objects exit one stream and enter the following. A trommel in series is a single drum … See more

The material of construction of the bars is usually manganese steel to reduce wear. Usually, the bar is shaped in such a way that its top is wider … See more

A coarse feed (say from a primary crusher) is fed at the upper end of the grizzly. Large chunks roll and slide to the lower end (tail discharge), while small lumps having sizes less than the … See more

Municipal and industrial waste
Trommel screens are used by the municipal waste industry in the screening process to classify sizes of solid waste. Besides that, it can also be used to improve the recovery of fuel-derived solid waste. This is done … See more

Vibrating screen
Trommel screens are cheaper to produce than vibrating screens. They are vibration free which causes less noise than vibrating screens. Trommel screens are more mechanically robust than vibrating screens allowing it to last … See more

Screening rate
One of the main process characteristics of interest is the screening rate of the trommel. Screening rate is related to the probability of the … See more