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Direct Classification
Screening is a mechanical action which consists of separating solids of different size by means of a grid or perforated panel. It can be carried out through dry or wet sorting. Depending on the sizes of the components to be separated, different terms are used to designate this technique:
- Scalping for particularly large blocks;
- Sieving for grain sizes ranging from between 1mm to 10cm;
- Screening for grain sizes between 40 µm and 1mm.
The CTP has available a series of screening and sieving equipment operating continuously.
| Equipments | Cut | Type of functioning | Capacity | |
|---|---|---|---|---|
| Two-stage vibrating sieve |
|
1 to 100 mm | Dry and wet sorting | 100 kg/h to 2 T/h |
| Dewatering sieves |
|
0.25 - 2 - 3 mm | Wet sorting | 1 to 17 m³/h |
| Rotary sieve | 4 to 35 mm | Dry sorting | 8 m³/h | |
| Three-stage vibrating screen |
|
90 µm to 5 mm | Dry and wet sorting | 50 to 800 kg/h |
| Two-stage vibrating screen | 30 µm to 3 mm | Dry and wet sorting | 50 kg/h to 1 T/h | |
| Flip-Flow screen |
|
249 µm, 500 µm, 1 mm | Wet processes | 2 to 5 m³/h |
| Curved screen |
|
249 µm, 500 µm, 1 mm | Wet sorting | 2 to 5 m³/h |
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