“SmartGrain” shaft grain dryers with a recuperation system are used for drying feed and seed grain, as well as fodder and oilcrop.
The structure
The product to be dried is sent to the over-the-drier storage bin, after that it is sent to the drying tower.
Hot air for drying is produced by means of a burner (for gas dryers) and it is produced with the help of heat-transfer device (for diesel dryers). The burner is situated inside the channel of “hot” air and the heat-transfer device for diesel facilities is situated outside the grain dryer.
In the shaft of the dryer there are conic roof-shaped ventilation ducts. They are closed on one side and are placed in lines in such a way that over every line of approach channel there is a range of air taps (in a checkerboard pattern). This pattern ensures the passage of air through the layers of grain.
Axial-blow blowers, installed on the roof of a dryer, work in extract mode and create the necessary air current through the layers in zones of warming and cooling. A blower, installed in the shaft of the warmed air, sends the spent air from the cold zone to the warm zone, significantly improves dryer’s efficiency. This is how drying is carried out.
Moving in a downward direction through the grain dryer’s shaft, the product passes through the zones of warming and cooling to the unloading area, and then – to the unloading bin.
CONSTRUCTIVE ELEMENTS
1. Dust shutters
2. Storage bin
3. Extractors
4. Access of "hot" air
5. Drying tower
6. Access of "cold" air
7. Air-circulating fan
8. Cold zone
9. Outfeed system
10. Burner
11. Dryer base
STANDARD SET OF GRAIN DRYERS
• Galvanized performance
• Tower with air ducts
• Storage bin with a detector of a filling level
• Warmed air Channel
• Air-bleed channel
• Discharging gear with the discharging opening
• Stairs and operating platforms
• Hatches for maintenance support in channels of extract and hot air
• Axial-blow blowers
• Burner
• Control cabinet with touch panel
Complementary equipment
-Termal protection of the dryer’s shaft
-Cyclon separator for dusting
