SCREENS AND TROMMELSTROMMELSNew Used Mining .
grinding mills (193) ball mills(96) vertical mills(7) sag mills(19) rod mills(10) roller mills(12) ... screens and trommels ... A trommel (rotary screen) is an essential unit which is used mainly in the mineral and solidwaste processing industries. Trommels are also used for the grading of raw materials to recover valuable minerals.