Stack Sizer

• High capacity saves floor space and installation costs

• High separation efficiency increases product quality, reduces variability and improves downstream processes

• Linear motion produces superior screening efficiency and maximum oversize conveyance

• Low dynamic load minimizes structural requirements

• Low operating and maintenance costs

• Easy to service

• Durable high quality construction

 

The Derrick Stack Sizer has redefined the concept of efficient, fine particle wet screening. Never before has one screening machine had such a high capacity in a minimal amount of floor space. Consisting of up to five individual screen decks positioned one above the other and operating in parallel, the Stack Sizer can be fitted with Derrick’s high capacity, long life, urethane screen surfaces. With this unique combination, fine wet screening becomes more practical than ever thought possible. Hundreds of Stack Sizers are currently operating at mineral processing plants worldwide and earning significant returns.

 

 

Principle of Operation
 

The patented Derrick Stack Sizer consists of up to five individual screen decks positioned one above the other and operating in parallel. A custom-engineered single or multiple stage Flo-Divider system representatively splits the feed slurry to each Stack Sizer and then to the decks on each machine. Ample space is provided between each of the screen decks for easy observation during operation and easy access for maintenance and replacement of screen surfaces. Each screen deck has an undersize collection pan which discharges to a launder with a single outlet. Similarly, the oversize from each of the screen decks collects in a single hopper with a common outlet.