Application of the Pre-Wash Screw
The pre-wash screws has are specially designed to discharge forein bodies in the material and for moistening of the material with water.
This is mainly used for the recycling of film for pre-treatment and for protection of the
The film flakes are fed through the feed hopper
into the water. Heavy particles such as glass,
sand or metals sink to the bottom of the entry zone
and are periodically discharged via 2 pneumatic valves.
The residence time of the material in
water ensures sufficient moisturing
of the film flakes.