Difference between revisions of "Horizontal Paddle Dryers"

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[[File:10539.jpg|thumb|right|200px|Horizontal Paddle Dryer]]
The '''Horizontal Paddle Dryers''' can be used in vacuum as well as in pressure  applications and was developed for use in heavy industrial processes.  The paddle dryer is applied as mixer, reactor and dryer, where process  steps under vacuum / pressure and with heating / cooling may be  performed in succession or simultaneously.
===Special Features===
* Suitable for processing entire range of feeds, except liquids
* Product, granular, powdery
* Very high evaporation capacity
* Very high thermal efficiency
* Partial drying possible
* Continuous operation
* Compact installation
===Construction===
It is especially suitable for the production of Active Pharmaceutical Ingredients, Fine Chemicals and Intermediates. consists of a fixed cylindrical chamber with an eccentric agitator  inside with two independent movements, able to rotate on its own axis  and tangentially to the cylindrical chamber as well. The double combined  rotation allows an optimal mixing of the product, continuously renewing  the surface of the mass exposed to evaporation, covering all the volume  of the vessel. In this way solvents release is facilitated and drying  times are significantly reduced. The peculiar configuration of the  agitator, characterized by a diameter much smaller than the one of the  drying chamber, and the double rotation not only allow the continuous  revolution of the product but also limit the mechanical stress,  preventing local overheating due to friction. This enables to treat even  more delicate and thermo sensitive products, as it preserves their  purity, avoiding degradation. The mechanical and thermal stress on the  product is three times less than the one obtained with traditional  dryers that have concentric agitator
===Typical Applications===
* Crystaline Solids
* Pasty Solids
* Sludge
* Agro Waste
* Magnesium Carbonate
* Polypropylene Beads

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