Factors that need to take note when planning the intake to feed material into Bucket Elevator

There are several factors that should be taken into account when planning the intake to feed material into the elevator. The method and the location of intake openings in the boot usually will have been determined when the elevator was ordered. However, if the intake arrangements have or are being changed, several factors must be considered.

 

1.Inlet or Hopper Size:

The size of the inlet affects the capacity and the condition of the elevated material. Too small an inlet means the material must be fed into the boot at excessive speed. The excess velocity of incoming material cause damage, the buckets do nt fill properly, and material backs up in the boot, clogging the inlet.

2.Up Side In-feed Devices:

The device which feeds the elevator, (auger, belt conveyor, spout, hopper, etc.), must feed the material into the boot above the centerline of the pulley. The buckets must complete the turn around the pulley and be moving vertically upward, not at a tangent, before encounter the incoming material to be elevated. Of the buckets are not moving vertically upward when they encounter the incoming material, material will be forced back into the in-feed device or chute. Grinding and churning in the boot area will damage the product and excessive power will be required to operate the system.

3.Down Side In-feed Devices:

Several factors, most importantly the nature of the material being elevated, are important in determining the location of down side or down leg in-feed devices. If a change in in-feed arrangement from that shown on the certified drawings is contemplated, consult Inter Systems before proceeding with modifications.

4.Flow of material to the In-feed Devices:

Every effort should be made when designing the feeding equipment or spouting such that the direction of the flowing material will be perpendicular to the buckets. Reduce or eliminate any side loading of the buckets. Achieving the bucket elevators rated capacity is determined by even and consistent bucket fill.

 

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