摘要 |
The device (100) according to the invention for separating or classifying material (1) to be fed into at least two different grain fractions (2, 3) comprises a screen device (5), which is formed by rotatable elements (8), particularly a roller table screen, wherein at least one finer grain fraction (2) passes between the rotatable elements (8) and means (14) are provided for cooling the rotatable elements. |