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Rotary screen is also named drum screen or trommel screen which is
consist of four parts: drum, undersize hopper, support base, drive
device.
When material feed into the drum, under the influence of large
centrifugal force, material will make a sprial movement along with
drum surface. Meanwhile, oversize materials was removed out of
discharge outlet; qualified materials(different sizes) be collected
in undersize hoppers. Then sent to be the next system by belt
conveyor or other.
There are four types trommel screen in our company: 1. enclosed
type; 2. open type; 3. heavy-duty type; 4. light-duty type.
1) Quarry: gravel, clay, mountain meal, sand, etc.
2) Coal Industry: lump coal, coal dust, coal washing, etc.
3) Cold Mine: gold screening and washing
4) Chemical Industry: sifting calcium oxide, compost
5) Metallurgy, construction, mineral-selecting, etc.
6) Recycling Industy: solid waste, scrap tires, plastic, etc.
Feeding into the drum, material is lifted up by the rotation and
aerated as it falls back down. This action is repeated with each
revolution along the length of the drum. The finer material passes
through the screen openings while the larger material tumbles
towards its eventual exit at the rear of the drum.
1 Packaging: Specially made wooden boxes and containers.
2 Shipping: 5-45 days after receiving initial payment.