PRODUCTS

Single-Screw Extruder-Pelletizing Machine especially for Rigid Plastics Recycling

Main Structure & Components

• Feeding System

Hopper Design:

Wide-throat feed opening (optimized for rigid fragments).

Optional side feeder for masterbatch.

• Extrusion System

Screw and barrel:

L/D ratio: 25:1 to 32:1 (standard for rigid plastics)

Hardened steel construction with bimetallic lining (optional).

5-6 heating zones with PID temperature control.

Vacuum degassing zones for elimination of volatiles and vapor.

• Filtration & Pelletizing

Screen Changer/filter:

Hydraulic screen (40-120 mesh) changer.

By-pass valves for continuous operation.

Laser filter available.

• Die Head:

Multi-hole die plate (2-8mm holes).

Hardened steel construction (nitrided 38CrMoAl steel)

• Cutting System:

Water-cooled strand/spaghetti pelletizer, universal for various plastics PE PP EPS PA PET ABS PC.

Water-ring pelletizer for PE, PP (low MFI, small capacity), PS.

• Drive & Control

Motor System:

AC drive with inverter (typically 22-250kW)

Gear reducer with high-torque thrust bearing.

• Control Panel:

Touchscreen PLC interface or easy-maintenance button-type.

Temperature profiling.

Applications in Rigid Plastic Recycling

Bottle-to-Pellet Recycling:

HDPE container regrind; Engineering Plastic Recovery; PP/PS/ABS automotive parts; PC/ABS electronic housings.

Industrial Scrap Processing:

Injection molding runners; Production rejects.

Post-Consumer Waste:

Mixed rigid plastic streams.

SJ series of Plastic Pelletizing Machine for Rigid Plastic Recycling