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Case Study

Prill Tower Feeder


Case Parameters

General Properties
Equipment Type: Feeder
Industry: Chemical / Fertiliser / Salt
Physical Properties
Unit Length: 10684 mm
Unit Width: 1400 mm
Unit Height: 1380 mm
Unit Weight: 10000 kg
Capacity: 52 tph
Product Ammonium Nitrate
Drive Type: Sub Resonant
Liner Type
Support Type Steel Coil Spring
Trough Construction Stainless Steel
Cover Type Quick Release
Motor Quantity 2
Support Location Bottom


Equipment was required that would take product sprinkled from a 20 meter high tower. Occassionally, product can build up on the walls of the tower and eventually drop in mass. This unit was designed heavy enough to receive a 1 tonne load from a 20 meter drop.


Trough design needed to extremely strong so as to avoid cracking upon impact. Thicker plates and reinforcement were used on the trough bottom.

The nature of the twin mass design provided a large spring deflection which allowed the unit to absorb more impact.

Spring rubber stoppers were used to prevent the springs from bottoming out and failing.

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