There are several factors that are needed to be taken account of when planning the intake of feeding material into a bucket elevator. Usually the inlet of the boot is tailored when the bucket elevator was ordered. However, if the intake of materials is subjected to changes, then there are factors to be considered:
- Inlet or Hopper Size
The size of the inlet affects the elevating capacity and the condition of the elevating material. Inlets that are too small means the material must be fed into the boot at higher speed. The high velocity of incoming material will cause damage to the buckets as the buckets are not filled properly. This will lead to material accumulating in the boot, clogging the inlet.
- Up Side in-feed device
The device which feeds the bucket elevator equipment must feed the material into the boot above the centerline of the pulley. The buckets must complete the turn around the pulley and moved vertically upwards before receiving the incoming materials. Whenever the buckets fail to move vertically upwards, the materials will be forced back into the feeding device or chute. The grinding and churning in the boot area will directly damage the feeding materials.
- Down Side in-feed device
The nature of material to be elevated is important in determining the position of down side or down leg in-feed device. Any changes in the in-feed device drawings should be consulted with the Inter Systems first before proceeding with the modification.
- Flow of material to the in-feed device
The direction of the flowing material should be perpendicular to the buckets of elevator machine. Reduce or eliminate any side loading of the buckets. The capacity of the bucket elevator is determined by uniform and consistent filling of buckets.
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