2015年11月27日星期五

The Application and Arrangement of Mechanized Silo

There are two kinds of Mechanized silo for bulk material: agricultural silo and industrial silo. Agricultural silo is used to store food, feed and other granular or powdered materials. While industrial silo is to store coke, cement, salt, sugar and other bulk materials.
The discharging hopper is always installed at the bottom of the mechanized silo, the upstream is equipped with conveying equipment. When loading materials, the bulk materials will be lifted by the bucket elevator and then discharged into the horizontal belt conveyor, the belt conveyor conveys the bulk material to the silo. When discharging material, the bulk materials will be discharged to the downstream through the dump hopper,then conveyed by the horizontal belt conveyor to other place.

 bucket-elevator
 
The flat shape of silo includes square, rectangle, polygon and circular, etc. When the storage material is single species or the amount is small, independent silo or a single row layout can be adopted. When storage materials has many species, silos in groups can be arranged. The total length of the cylinder silo group is generally not more than 60 meters, the total length of the square silo group is generally not more than 40 meters. Appropriate measures should be taken when there is large silo group length or wall force and complex ground situation, such as setting a expansion joint in order to eliminate the shrinkage stress of concrete and temperature stress effects, setting a settlement joint to avoid uneven settlement influence due to huge load difference from different parts of the structure itself or the bearing capacity of foundation soil have obvious differences, setting an earthquake cracks in order to reduce earthquake damage. 

bucket-elevator5

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