Discharging, loading and unloading
After being harvested from the fields, the grain is stored initially in silos. This transfer is often performed using screw conveyors.
Collecting and storing
Bucket elevators are used for the vertical transportation of bulk materials into silos. Depending on their width, the bucket capacity and the height of the conveyor line, these elevators require high drive power.
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Discharging, loading and unloading
When discharging and transporting the bulk material, often a vacuum pump is used to suck it out of the silo. Vacuum conveying handling tasks typically involve speeds of 10 to 6000 kg/h, conveyor lines of up to 80 m and conveyor heights of up to 30 m, frequently far below that.
Cleaning
and sorting
One key processing step in agricultural logistics is cleaning and sorting. This is where foreign particles are removed and the bulk material is cleaned. Rotary gate valves are used to remove the silo pressure from the material and ease the load on downstream discharge systems.
Bulk
material handling
Rotary gate valves are also used for volume-controlled tasks or feeding the bulk material into mixing and processing procedures.
In the case of flammable bulk materials, the rotary gate valve can be used as fire protection.
Drying
using fans
To safeguard the quality of the grain in storage for as long as necessary until further processing, it must be dried appropriately, as well as being cleaned and sorted. This drying occurs with the help of stationary and also mobile drying systems.
Port handling and
final processing
In export ports, the bulk material is stored temporarily in silos. The material is discharged for loading onto freighters using belt or chain conveyors. When bulk material is transported in “big bags”, cranes are used.
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