Air Cooling Die Face Pelletizing System
This system prevents the material from encountering water, which is critical for certain materials. It is suitable for recipes such as PVC, LLDPE, high filling masterbatch, degradable masterbatch, HFFR and WPC, and usually follows a tandem compounder.
- PVC
- HFFR
- WPC
- High filling masterbatch
- Degradable masterbatch
Tandem compounder with die head, air cooling pelletizer, conveying system and classifier
How it works
- Die head
- Air cooling pelletizer
- Conveying system and cyclone
- Vibration conveyor for cooling
- Vibrating classifier
- Storing silo
- Pellet meets water
- No
- Pellet shape
- —
- Typical materials
- PVC, HFFR, WPC, high filler and degradable masterbatch
Two pelletizer types
The pelletizer is chosen according to the properties of the raw material.
Main parts and options
Die plate · 38CrMoAlA, nitrided · outgoing holes 3 mm
| Type | Holes | Equipment |
|---|---|---|
| Extrusion die plate | 30, 60 or 90 | — |
| Extrusion die plate for rigid PVC | 220 | Heating, melt pressure sensor and melt temperature sensor |
Vibration conveyor for cooling · material in at 60 °C, out at 45 °C (ambient below 30 °C) · 4–5 minutes from input to output
| Conveyor diameter | Height of input | Height of output |
|---|---|---|
| 400 mm | 600 mm | 3,000 mm |
| 600 mm | 600 mm | 4,000 mm |
| 800 mm | 600 mm | 4,000 mm |
Cooling fan 2.2 kW; vibration motors 2 × 0.55 kW; convey channel in 304 stainless steel, 2.5 mm thick.
Delivered lines
| Line | Material | Extruder | Output |
|---|---|---|---|
| Rigid PVC two-stage line | Rigid PVC | SAT65 + TDD180 tandem | 400–600 kg/h |
| Rigid PVC compounding | Rigid PVC | SAT95-TDD220 tandem | 1,200–1,500 kg/h |
| HFFR cable compounding | HFFR cable compound | Kneader 75 L → SAT75 → TDD180 | 500 kg/h |
| HFFR compounding | HFFR compound | Kneader 110 L → SAT75 → TDD180 | 700 kg/h |
| Engineering plastic reinforcing | Reinforced engineering plastic | U6 twin screw | 500–600 kg/h |
MachineTandem Extrusion System
- 01FeedingVolumetric or loss-in-weight
- 02ExtruderTwin, triple, tandem or single screw
- 03Melt filtrationScreen changer, melt pump
- 04PelletizingSix methods
- 05Dewatering and classifyingDryer, vibrating classifier
- 06Conveying and storageBlower, silo
- 07PackingBags or jumbo bags
Control system: one recipe and one start and stop sequence for all stationsControl system
Get a quote
Tell us the compound and the output. We select the die plate, the pelletizer type and the cooling conveyor.
- 01Compound: PVC, HFFR, WPC, masterbatch …
- 02Target output and extruder
- 03Pelletizer type, cooling conveyor size, quotation
Souder Chen
Head of Compounding Division
With USEON since 2008. Twin screw compounding, devolatilization and recycling lines.