ELEVATORS
Bucket elevator
The bucket elevator consists of a series of buckets mounted on chain or belt operating over head and foot wheels.
Take-up provides the compensation for variation in length of chain or belt. A casing encloses the bucket line and the head and foot terminals.
Bucket elevators with centrifugal discharge according to DIN 15251, at a speed exceeding 1 m/s.
These bucket elevators are generally used for free-flowing, fine and loose or granulated materials with small to medium size lumps; buckets, mounted at spaced intervals, are loaded by dredging the material from the boots or by feeding the material into them. Material is discharged by centrifugal action as the buckets pass over the head wheel.
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Elevator type: gravity discharge
Bucket elevators with continuous buckets at slow speed.
Loading is directly into the buckets. As buckets discharge, the material flows over the preceding bucket, whose front and projecting side form a chute to the discharge spout. They are recommended to lift very light and very fine materials which would otherwise be dispersed in the draught created by the buckets; they are used for very hard materials
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Belt elevator Elevator that uses BELT with sidewalls and cleats Iron oxide pellets / lumps India Belt elevator with cleats in a Steel plant Capacity = 530 t/h, height = 103 m The belts are designed for horizontal, steep inclined and vertical handling of all kinds of bulk materials Materials can be carried in high vertical lift with very high capacities. |
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ADVANTAGES
Cross rigid base belts can be deflected from the horizontal to an incline or vertical and back again without bowing or sagging