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Brief Introduction
A PVC pelletizing production line is a specialized equipment system designed to uniformly mix polyvinyl chloride (PVC) resin powder, plasticizers, stabilizers, fillers, pigments, and various other additives.
This mixture is then melted, plasticized, extruded, and finally cut into uniform granular pellets.
These pellets are convenient for subsequent processing such as extrusion, injection molding, and calendering.
Main feature
1. Conical double-screw extruder, very suitable to process PVC powder with high capacity
2. Pelletizing style: hot-cutting on mould face, even cutting ensures good shape.
3. Auxiliary machine: pellets cooling & classifying.
Main Technical Parameter
Model | SJZ-55/110 | SJZ-65/132 | SJZ-80/156 | SJZ-92/188 |
Screw Diameter （mm） | 55/110 | 65/132 | 80/156 | 92/188 |
Screw Qty. | 2 | 2 | 2 | 2 |
Speed（rpm） | 1-34.7 | 1-34.7 | 1-36.9 | 1-32.9 |
Effective Length of Screw（mm） | 1200 | 1440 | 1800 | 2500 |
Motor（kw） | 22 | 37 | 55 | 90 |
Heating Power （kw） | 18 | 24 | 36 | 86.8 |
Output（kg） | 80-140 | 150-250 | 250-400 | 500-600 |
Centeral Height （mm） | 1000 | 1000 | 1000 | 1000 |
Dimension（mm） | 3620×1050×2157 | 4235×1520×2450 | 4750×1550×2460 | 6725×1550×2841 |
PICTURE
Twin-screw Extruders are most commonly used for PVC pelletizing due to their excellent mixing, dispersion, self-cleaning capabilities, and adaptability to formulation changes.
Distribute the plasticized and homogenized PVC melt directly to multiple small holes (for die-face hot cutting).
For air-cooled hot cutting, it mainly relies on air flow cooling. Qualified pellets are conveyed via Pneumatic Conveying System to a Product Silo for temporary storage.
Pellets pass through a Vibratory Screen to separate oversized pellets, undersized fines, dust, and tails, ensuring uniform pellet size.
