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Case Study

12m Chemical Feeder

23/12/2010

Case Parameters

General Properties
Equipment Type: Feeder
Industry: Chemical / Fertiliser / Salt
Physical Properties
Unit Length: 11586 mm
Unit Width: 1889 mm
Unit Height: 1848 mm
Unit Weight: 11820 kg
Application
Capacity: 100 tph
Product Cyanide
Design
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

Application

Rat holing and bridging were two reoccurring issues for a chemical plant in northern QLD. Material was being discharged via chute and would constantly not flow causing all kinds of production issues. The location of the hopper was also not ideal, the client wanted a solution that would transport material across the plant to a more suitable location.

Another major design consideration was the desire for the client to install a washout system to clean the unit in between batches.

Solution

Vibroflow offered two types of vibratory equipment to counter-act the flow issues. One is the 12m vibratory feeder showcased here. The second is the Chemical Bin Activator.

The vibratory feeder had to reliably discharge material from the hopper but also provide a means to transport it to a more desirable location. A sub resonant drive system was required as a direct drive unit would not have been able to cope with the capacities and distances.

A 304 stainless steel trough was used. A bolted cover system was installed to keep material from escaping. Seven glass inspection windows kept maintenance personnel informed on the status of the unit. The unit also provisioned for the installation of a water washout system, hot air circulation and a variety of product sensors.

The installation of the washout system created more complications as the vibratory feeder now had to be inclined so that the water would be discharged out the back.

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