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It removes light dust particles as well as separating good quality grain from splits and trash.
The rotary drum cleaner with aspiration is essential for cleaning cereals that have to be stocked for a long time, avoiding overheating which can be caused by chaff, husks, split grains etc. The final product will be healthier and have a pleasant aspect
Operation
The product enters by gravity into a motorised roller distributor and is evenly distributed over its whole width; the subsequent curtain descent of cereal encounters a cross airflow, which carries away light impurities (decanted by a cyclone or filter) and deposits a part of the heavier particles in a decanting hopper, equipped with a screw for reject expulsion. The dust-free grain enters a cylindrical rotating drum with interchangeable perforated screens. The first screen removes light impurities (sand, splits etc.), while the following screens allow the good grain to pass through pre-sized holes and the large impurities come out at the end of drum. The choice of screen perforation size depends upon the cereal and the type of reject to separate out.  Construction
* Aspiration cowling with pressed galvanised panels.
* Product inlet hopper.
* Aspiration intake with vertical and horizontal positioning.
* Airflow dampers.
* Rotary drum connecting hopper
* Cowling and drum support uprights in pressed galvanised sheet.
* Mobile lateral doors fitted with handle and lock.
* Perforated carbon steel plate screens.
* Manual drum inclination.
* Nylon brushes for screen cleaning.
* Fixed rotation speed.
* Manually regulated conveyor for discharge of large impurities. Optionals * Variable drum rotation speed.
* Wooden rollers for screen cleaning.
* Motorised drum inclination.
* Wearproof polyethylene sheet.
* Motorised conveyor.
* Control console.
1-Product with impurities inlet
2-Product outlet (By-pass)
3-Light rejects outlet
4-Clean product outlet
5-Clean product outlet
6-Heavy rejects outlet
7-Dust outlet
8-Small impurities outlet
| Model | Output Capacity (t/h) | Screen surrounding area (m²) | Number of Screens | Drum Motor Power (kw) | Aspiration Power (kw) | Length (mm) | Width (mm) | Height (mm) | Empty Weight (kg) | Full Weight (kg) | Volume (m³) |
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| 3/6 | 15 | 3,75 | 3 | 1,10 | 2,20 | 2.970 | 1.255 | 3.165 | 570 | 680 | 5,50 | | 4/6 | 20 | 5,00 | 4 | 1,10 | 2,20 | 3.620 | 1.255 | 3.165 | 685 | 830 | 6,20 | | 3/9 | 40 | 7,50 | 3 | 2,20 | 4,00 | 3.930 | 1.555 | 3.845 | 1.040 | 1.250 | 12,00 | | 4/9 | 50 | 10,00 | 4 | 2,20 | 4,00 | 4.780 | 1.555 | 3.845 | 1.195 | 1.435 | 13,70 | | 3/12 | 75 | 11,50 | 3 | 3,00 | 5,50 | 4.370 | 2.055 | 4.600 | 1.620 | 2.100 | 19,00 | | 4/12 | 140 | 15,00 | 4 | 4,00 | 5,50 | 5.275 | 2.055 | 4.600 | 1.950 | 2.530 | 21,80 | | 5/12 | 200 | 19,00 | 5 | 5,50 | 5,50 | 6.185 | 2.055 | 4.600 | 2.300 | 2.990 | 24,60 | | 5/16 | 220 | 25,00 | 5 | 7,50 | 7,50 | 6.405 | 2.556 | 4.975 | 3.100 | 3.700 | 38,10 |
| ** Cleaning output with maize S.W. 0,75 - 16% r.h. impurities 2% PRA 5/16 also available in 3/16 e 4/16 version |
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