The PLB Push-type Screw Conveyor Press
The PLB screw conveyor consists of a spiral, mechanical gear drive, U-trough housing, screen sections, cleaning shower, and a mechanical tensioning device. The PLB utilizes a shaftless spiral to transport and compact solids. The driving force is “push-style” with a gearbox mounted on the lower end.
Solids are first fed into a receiving hopper in the screening press at the lower end of the PLB. The auger spiral draws solids along a trough section into a screening cylinder for the extraction of water. An active shower in the compaction zone screen washes the solids that pass through the screening cylinder. Finally, a spring-tensioned gate on the end of the housing provides the backpressure to create a plug of compacted solids which is dropped into a bin.
The PLT Pull-type Screw Conveyor Press
The PLT dewatering auger conveyor incorporates a design and components similar to the PLB. The primary differences in the screening press are that the gearbox and motor are mounted at the top or exit end of the system to create a “pull-style” force, and the solids plug deposits down without the use of a tension gate on the end.