ANDRITZ Adjustable Plug Screw Feeder

A state-of-the-art performance control upgrade

With the Adjustable Plug Screw Feeder (“Adjustable PSF”), ANDRITZ offers a patented world innovation that transforms a static system into a dynamic one. This new design of the screw extends the compression range and prevents blocking of the raw material.

Key features

Adjustable compression: The new system allows adjustment of the compression according to the moistrue content of the fibers to optimize water removal at the plug screw feeder area
Flexibility: The flexibility to work with dry or wet wood means that the system can help fiberboard manufacturers in all regions, and it is even possible to use recycled wood as raw material in a much simpler way.
Automatic amperage control: The automation hardware responds to the variations in the plug screw feeder motor torque and controls the hydraulic power unit for an optimized and smooth process.

Upgrade from conical to cylindrical screw design

Comparison based on equal takeaway volume conical & cylindrical plug screw feeder and same Compression Housing length.

Conical plug screw feeder design:
Traditional conical PSF design limited the dewatering possibilities due to the large pad thickness from the screw core to the compression housing shell.

Cylindrical plug screw feeder design:
High performance plug screw feeders for dewatering and highest performance available in the market.