Compactor Type Plastic Pelletizing Line
The compactor-type pelletizing line is suitable for pelletizing lightweight and loose film materials that are difficult to feed directly into an extruder. It is commonly used for processing plastic films such as PP, PE, BOPP, CPP, HDPE, LDPE, and LLDPE. After entering the compactor, the material is cut and densified. The high-speed rotating compactor then throws the material along the flow channel and feeds it into the barrel of a single-screw extruder. Inside the compactor, the temperature rises naturally during operation. The plastic softens slightly, and moisture is released before extrusion begins.
PE film
PE bag
LDPE film
PP woven bag
Single-Stage PP / PE Film Compactor Pelletizing Line
This pelletizing system is made up of a conveyor, compactor chamber, single-screw extruder, hydraulic die-head filter, cooling water trough, pelletizing system, air conveying hopper, and an electrical control cabinet.
| Model | |||||
| Screw Diameter (mm) | 100 | 130 | 150 | 160 | 180 |
| L/D Ratio | 25-33 | 25-33 | 25-33 | 25-33 | 25-33 |
| Extruder Power (kW) | 30 | 45 | 55 | 75 | 90 |
| Compactor Power (kW) | 30 | 45 | 55 | 55 | 75 |
| Output Capacity (kg/h) | 100-200 | 200-300 | 300-400 | 400-500 | 600-800 |
Double-Stage PP / PE Film Compactor Pelletizing Line
This pelletizing system is made up of a conveyor, compactor chamber, single-screw extruder, auxiliary single-screw extruder, two hydraulic die-head filters, cooling water trough, pelletizing system, air conveying hopper, and an electrical control cabinet.
| Model | |||||
| Main Screw Diameter (mm) | 100 | 130 | 150 | 160 | 180 |
| Auxiliary Screw Diameter (mm) | 100 | 130 | 150 | 160 | 180 |
| Main Motor Power (kW) | 30 | 45 | 55 | 75 | 90 |
| Auxiliary Motor Power (kW) | 15 | 22 | 30 | 37 | 55 |
| L/D Ratio | 25-33 | 25-33 | 25-33 | 25-33 | 25-33 |
| Compactor Power (kW) | 30 | 45 | 55 | 55 | 75 |
| Output Capacity (kg/h) | 250-350 | 400-500 | 500-600 | 600-700 | 800-1000 |
Triple-Stage PP / PE Film Compactor Pelletizing Line
| Model | ||||
| Screw Diameter (mm) | 150 | 160 | 180 | 200 |
| Auxiliary Screw Diameter (mm) | 150/150 | 160/160 | 180/180 | 200/200 |
| Main Motor Power (kW) | 75 | 90 | 132 | 160 |
| Auxiliary Motor Power (kW) | 30 | 37 | 55 | 75 |
| L/D Ratio | 25-33 | 25-33 | 25-33 | 25-33 |
| Compactor Power (kW) | 55 | 75 | 90 | 90 |
| Output Capacity (kg/h) | 400-500 | 500-600 | 600-800 | 1000-1500 |
Belt conveyor
The conveyor uses a PVC belt with a carbon steel frame. A metal detector can be added as an option to remove foreign metal before processing.
Compactor
The compactor is equipped with overload protection and a water-cooling system to support stable operation during densifying.
Extruder
The extruder includes a gearbox with high torque and low noise, supported by an external cooling circulation system. The screw is made from 38CrMoAlA steel with nitriding treatment. The barrel is also manufactured from 38CrMoAlA, nitrided and air-cooled, with temperature controlled by a temperature controller. A high-precision filtration unit is integrated into the system.
Water ring hot die face pelletizing dystem
Pelletizing is carried out using a water ring hot-cut method. Cutting speed is controlled by variable frequency. The system includes the hot die head, flow cone, water ring cover, knife holder, cutting disc, and knife shaft.
Vibrating drying system
A vibrating screen is combined with a horizontal centrifugal dewatering unit, that delivers efficient pellet drying while keeping energy consumption low.
- The entire line is fully-automated, with operators only needed at the feeding and discharge ends. The waste plastic can be processed into pellets in one continuous workflow.
- The finished pellets are full and rounded, with no visible air bubbles. Pellet size can be adjusted to suit different application needs.
- Metered feeding, the main extruder, and the pelletizer all use variable-frequency drives. Overload protection is included to keep the system running smoothly and in balance.
- The screw and barrel can be made from durable high-quality alloy carbon steel and treated by quenching and tempering, providing strong wear resistance and long service life.
- The gearbox uses a heavy-duty surface with oil-lubricated cooling. This improves wear resistance and load capacity, extending service life by three to four times compared with standard gearboxes.
- After cooling, pellets are cut directly and conveyed by blower to the storage hopper. The process runs smoothly without strand breakage.