Operation
The drying column is formed by a loading hopper and a number of modules with internal conical ducts immersed in the
cereal, which descends by gravitational force, with mixed and crossing current movement. The cereal is hit by a
counter current of hot air in the upper part and a flow of environment air in the lower part (cooling), which then
exits in the atmosphere. The quantity of cereal exiting is pre-determined and regulated by a pneumatic extractor.
Then the product is collected in an unloading hopper.
Fans
For drying, with maximum attention to details, the depression system is the most suitable because of dust containment.
Every dryer is equipped with a fan or fans, fixed or variable blade axial type, having various diameters to fully exploit
the machine yield with less consumption. Zanin F.lli makes use of technologically advanced marks in the European fan sector
to optimise the characteristics of their products.
Air ducts (Version 1)
The panels that form the hot air and saturated air chambers are built of:
sandwich panels in mineral wool for the hot air part;
sandwich panels in polyurethane for the saturated air part (avoids condensation and mulch inside the chamber).
The walls are smooth both inside and outside.
Versions are: Aluzinc - Galvanised - Painted in various colours - Aluminium - Stainless steel 304
The inside of the dryer is built to accept reinforcing standards and galleries with a rung ladder for checking and maintenance.
Transporters
The dryer has 2 loading-unloading cup elevators that can fit dust exhaust attachments on the heads.
(1) Transport
(2) Unloading stage
(3) Placing on ground
Sight "A" closed shells
Sight "A" opened shells
Hot air generators
There are heating groups for drying:
direct fire
indirect fire
Fuels used are:
methane gas
GPL
gas oil
dense oil or by-products
Types of burners are:
pressurised
air vein
special burners for various types of fuel
Electrical cabinet
The dryer has electronic equipment with PLC management.
Electromechanical equipment upon request.
-consumption reduced by 30%
-drying quality
-dust within regulatory limits
-transportable size
-speed in positioning
Example of module with product descent by gravitational force with mixed, crossed movement or currents and counter current hot air flow.
Mod.
Contents S.W. 0,75
Wheat from 20% to 14%
Maize from 35% to 14%
Maize from 28% to 14%
Dimensions [m]
m³
ton.
Capacity t/24h
Capacity t/24h
Capacity t/24h
Width chiuso
Width aperto
Length
Heigth
MOB.10
23,00
17,2
187,2
76,8
103,2
2,50
4,10
3,10
8,90
MOB.16
34,00
25,5
295,2
139,2
187,6
2,50
4,10
3,10
11,90
Supplied data have a ± tolerance and have been calculated under the following conditions:
ready and cleaned seeds, dried by 24 hours; dryer supplied with natural gas.
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