Machinery & Engineered Solutions

For Recycling, Extrusion & Moulding

Screw Compactors

RUNI Screw Compactors

With our Screw Presses you can expect an increase in dry matter from 60 to 90%. For example, when dewatering plastic film a typical final moisture is 7-8%.
Screw compactors have two main uses:

1. They can compact many different kinds of material, quickly and effectively, e.g. EPS boxes used for fruit and fish or packaged organics

2. They can separate liquids from solids, e.g. water from washed plastic.

Often both functions can be achieved at the same time, e.g. emptying and compacting juice cartons.

Screw Presses comprise a feed hopper, variable pitch compaction screw, hydraulic clamp jaws, discharge chute, support structure and electrical control system. Material entering the Screw Press is subjected to high compressive forces by the feed screw thereby separating liquid from solid materials. Liquid is discharged from the base of the machine for further processing. 

The rate of compression is automatically controlled via a PLC which controls both the screw speed and cycle time of the clamping jaws. Both the compaction screw

and the clamping jaws are driven by highly efficient, reliable, hydraulic motors. Dewatered material exits the machine via a horizontal chute.  

Alternative feed hoppers, support frames and discharge chutes may be supplied to suit specific customer applications.

  • Low energy consumption
  • Compact design allowing easy integration with existing plant and equipment
  • Increased capacity of drying lines
  • Volume reduction of waste
  • Automatic operation on a 24/7 basis 
  • Optimized resource recovery
  • Suitable for a wide range of applications 
  • Robust construction for long term reliability

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