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Ball Mill Rubber Trommel Screen

Trommel screens, also known as trommels or rotary screens, have been getting more and more popular around the world as classification equipment, associated with the features of simple structure, easy installation, reliable operation and high efficiency. They are broadly applied in the discharge ends of AG mills, SAG mills and ball mills to classify materials. They are a success in mineral processing plants of non-ferrous metals mines. Trommel screens (rotary screens) have not only combined characteristics of those trommels around the world, but also possess the technology uniquely developed by Tomine.

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Main Feature

Trommels  have combined excellent characteristics of those trommels around the world with the technology uniquely developed by TOMINE,

leading to a product with characteristics as follows:

  1. High screening efficiency, less blockage.
  2. Simple structure, less space demanded, easy mounting and maintenance, no need of individually furnished driver or power supply.
  3. Trommel screen panels and spirals are made of high abrasion resistant rubber or polyurethane, with different aperture shapes and sizes available based on customer’s requirements. Material selection and design can be made per customer’s requirements, with a service life of 1 year or 2.
  1. Screen panels are inlaid. No bolts are used, making the mounting and disassembling easy; Reliability is seen.
Technical Specification

Rubber trommel screens consist of metal frames and rubber or polyurethane screen panels. TOMINE engineers through R&D rubber trommel screens with various structures to suit specific ore dressing processes per customers‘ different requirements.


Due to that different operators have their particular process conditions, operating parameters and targeted figures for mineral processing, they are equipped with trommels with different specifications and parameters. TOMINE  is a specialist with rich professional knowledge, and will design and select an optimal solution based on a customer’s process conditions, operating parameters and mill throughput. The customer will have to provide mill operating parameters as follows:

Mill Size
Ore classfication(Copper, Iron or etc)
Ore Density Kg/m^3
Circulating load  %
Slurry Density  %
Speed (r/min) r/min
A Pitch diameter A of mill discharge flange( See below picture with mark A) mm
B Quantity of  Connection hole for mill discharge flange ( See below picture with mark B) PC
 Length of splash guard mm
Mill Direction( From Discharge)
Ore Hardness Kw·h/t
Throughput  t/h
Feeding particle size mm
Qualified Size mm
D Inner diameter D of Mill discharge end See below picture with mark D) mm
E hole size E of mill discharge connection flange  ( See below picture with mark E) mm
F Max. external diameter F of mill discharge flange ( See below picture with mark F) mm
 Max.Inner diameter of splash guard mm
Industry Application