Trommels (mechanical screening machines) separate materials using trommel screens in mineral and solid-waste processing industries. Additionally, they remove fines from a waste stream. A trommel consists of a wedge wire cylindrical drum, elevated at an angle at the feed end.
How do recycling screens work?
Trommel screens separate materials by size. For example separating biodegradable fraction of mixed urban waste or separating different sizes of crushed stone. This allows contractors to screen their site debris into two segments; a saleable topsoil for farms, nurseries and site-work, as well as rock cleaning for aggregates or landscaping work. Therefore allowing contractors to resell their waste instead of incurring disposal costs.
Material is fed into the drum and lifted up by the rotation, then aerated as it falls back down. This action is repeated with each revolution along the length of the screening drum. Therefore smaller segments pass through the screen openings. In the meantime, larger fractions tumble towards its exit at the rear of the drum.
- Heavy duty robust build
- Low maintenance and highly efficient
- Drums made to customer specification
- Screening heavy materials, also with multiple fractions
- Segregate saleable topsoil and rock, therefore significantly reducing the volume of waste
- Versatile screening solutions with minimal set up time
- Various mesh size apertures
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