LIGNA 2019, 27. - 31. Mai
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Improvements on dryers


Improvement on dryers to increase the drying capacity, to improve the quality of the particles and to eliminate the high costs of maintenance.

1. Improved dust feeding system capable of continuously dosing the dust to the burner thus avoiding the pulsation of the burning flame.
2. Extraction system of the ash that automatically takes out the unburnt material (especially sand) from the combustion chamber.
3. Installation of a gravimetric separator as a pre dryer (in the place of the omega) which has got the double function of pre-drying the particles and getting rid of any foreign body .
4. A bigger separation chamber at the outlet of the drum meant to take as much dry material as possible so as to eliminate the wear of the cyclones;
5. New LPD (Low Pressure Drop) cyclones which have half pressure drop than the traditional cyclones and completely eliminate any problem of wear and tear, leading to great savings on power consumption and installation costs.
6. The repositioning of the main fan after the cyclones and the modification of the pneumatic circuit avoids the passage of wood particles through the fan thus increasing the quality of the wood particles and reducing the wear and tear of the fan.
7. The innovative pneumatic screen that eliminates the fines in the fraction below 0,4 mm reducing in this manner the silica content in the panels.


Continuous and constant quality material
Continuous and constant production capacity
Continuous and constant content of moisture regardless of the different flake geometry
Removal of heavy pollutants prior to the drying process
Removal of solid deposit (sand and ashes) in the combustion chamber
Dramatic reduction of maintenance and shut-downs
Reduction of absorption of energy

Halle 26, Stand A76


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