This is plant for drying eatable materials such as cacao, coffee, chestnuts, etc...

This drying system is generally employed in order to dry up the working refuses such as shavings, olive husk, etc... That is the drying of eatable materials such as cacao, coffee, chestnuts, etc... The material drying occurs inside the cylinder of a circular drier, both through the immission of air overheated in its inside, produced by a thermal-exchange battery and an axial electrofan set in countercurrent regarding the material advancement in the cylinder; and through the heat produced by a series of batteries set inside the cylinder and transmitted on the material during its advancement. The material is loaded in the cylinder through a tape, and advances in its inside; the cylinder rotation occurs through an electronic motorvariator which manages the turns/min. number and therefore the material permanence in its inside. A stellar valve, connected under the terminal to the cylinder feedbox allows the unloading of the material. An external thermal system, provided with pump to flow again the overheated water, manages all the thermal-exchange batteries of the system. All has been connected to the general control switchboard.

The elements of the system are: · Circular drier made up of: · Cylinder support structure; · Transmission electronic motorvariator+ Inverter; · Chains, pinions and cast iron wheels transmission system + polyurethane; · Sheet cylinder Ø=2000 in diameter and L=8000 millimeter in length ; · removable exchange batteries (n° 4) from 100.000 Kcal/h a piece; · System for the material transport; · Rotating joint system (for pressures up to 6 bars); · Load and unloading material terminals from the cylinder; · Material load tape conveyor; · Material unloading stellar valve; · Exchange battery from 300.000 Kcal/h; · Overheated water generator from 600.000 Kcal/h; · Overheated water flowing again pump; · Axial electrofan for warm smokes; · Regulation shutter; · Control and management electric switchboard

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