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Case Study

Pre Dryer Feeder


Case Parameters

General Properties
Equipment Type: Feeder
Industry: Chemical / Fertiliser / Salt
Physical Properties
Unit Length: 6152 mm
Unit Width: 1150 mm
Unit Height: 1516 mm
Unit Weight: 1700 kg
Capacity: 52 tph
Product Ammonium Nitrate
Drive Type: Sub Resonant
Liner Type
Support Type Oscillating Mount
Trough Construction Stainless Steel
Cover Type Quick Release
Motor Quantity 2
Support Location Bottom


Two chemical dryers in an Ammonium Nitrate processing facility were in need of a feeding system that would protrude well into the dryer body. The feeders needed to be made of stainless steel to avoid corrosion and product contamination and needed a sealing arrangement.


Vibroflow supplied a directly driven vibratory feeder for this application. The trough of this unit was made of Duplex 2205 stainless steel to ensure high corrosion resistance and strength.

The end of the trough protrudes far past the final support leg of the unit so that material is well inside the dryer before it is discharged. Oscillating mounts help support this large overhang and transmit less vibration to the supporting structure.

The covers attached to this unit are hinged with rubber buffers either side which would prevent an operator from hurting their hands if a cover fell.

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