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Zanin F.lli s.r.l. - Machines and complete plants for agricultural and industrial market Fieragricola 2012 MobilDry: Mobile Dryer - Zanin F.lli
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PPR    ROTARY PRE-CLEANER

Rotary pre-cleaner Mod.PPR Use
This pre-cleaner is designed for simple, fast removal of light and heavy (rubble) impurities in the cereal.
It is essential for the quality of the cereal that a pre-cleaner is installed at the dryer inlet, as it homogenizes the product, preventing clogging and reducing energy consumption.
The aspirator version reduces the emission of dust into the atmosphere.

Operation
The product enters by gravity into a cylindrical rotating drum with interchangeable perforated screens. The good product passes through pre-set holes, while the large impurities come out at the end of drum. The choice of screen perforation size depends on the product, the moisture content and the type of reject to separate out.

Brushes for screen cleaning Manually regulated conveyor for discharge of large impurities Detalle del motor
Operation diagram of Rotary pre-cleaner Mod.PPR Construction
  • 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.

Model PPR 2/6 PPR 3/6 PPR 4/6 PPR 2/9 PPR 3/9 PPR 4/9 PPR 3/12 PPR 4/12 PPR 5/12 PPR 5/16
Output** [t/h] 20 30 40 50 75 100 125 150 200 260
Screen sur. area [m²] 2,50 3,75 5,00 5,00 7,50 10,00 11,50 15,50 19,00 25,00
No. screen 2 3 4 2 3 4 3 4 5 5
Power [kW] 0,75 1,1 1,1 1,1 2,2 2,2 3,0 4,0 5,5 7,5
Length* [mm] 2170 2820 3470 2960 3810 4660 4300 5205 6115 6358
Width* [mm] 800 800 800 1100 1100 1100 1400 1400 1400 2018
Height* [mm] 1345 1345 1345 1800 1800 1800 2215 2215 2215 2591
Weight empty [kg] 310 405 525 540 625 810 1280 1450 1700 2540
Weight full [kg] 370 485 630 630 750 970 1535 1740 2050 3160
Volume [m³] 2,3 3,0 3,7 5,9 7,5 9,2 13,3 16,1 18,9 34,0
* Overall dimensions      ** Pre-cleaning output with maize S.W. 0,75 - 20% r.h., impurities 2%
PPR 5/16 also available in 3/16 and 4/16 version.


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Zanin F.lli s.r.l.
Viale delle industrie, 1
31032 Casale sul Sile (TV)
Italy

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