HDPE Plastic Pelletizing Machine

1. U-type screw feeder

Frequency conversion speed regulation ensures that the feeding amount is consistent with the extrusion amount and no blocking occurs.

Part of contacting material: stainless steel 304 ·Quantitative feeding to ensure stable feeding · Adopt material limit device.

2. Volumetric Feeder

Convey the crushed material to the extruder.

Feeder, extruding and granulating are all controlled by inverter

3. Single Screw Extruder unit

1) Gearbox: high quality Chinese brands or based on customer’s request

2) Frequency inverter: Siemens brand

3) Screw &barrel: 38CrMoAl, Nitride with thickness 0.4 ～0.7 mm, Polish

4) Heater: Ceramics+stainless steel cover

5) Vacuum pump exhaust, double exhaust

6) Self-protective system: Over current protective of motor, Over pressure protective of screw, Over temperature protective of motor Low & over temperature control of extruder

7) Screw & barrel are specially designed by our engineer according to decades years’ experience for good plasticizing effect & capacity.

4. Filtration unit

Multiple choices for different materials. Material for mold body: 40Cr

Nitriding and polishing of runner surface

Pressure and temperature control

When pressure is nearly reach alarm value, hydraulically change to another station.

High filtering effect, realizing non-stop screen changing

No leakage, automatic gap compensation

5.Pelletizing Unit

Quantity of Blade: 2-4, SKD-11

Speed controlled by inverter

Material of die head: 38CrMoAlA

Material of water ring cover: Stainless steel 304

Horizontal design with linear guide, easy operation and maintenance.

Pneumatic adjustment, to make cutting blades and die-face soft touch, in order to achieve 100% contact between the blade and die head, to avoid die face damaged.

6.Dewatering vibrator

1. Linear vibrating screen uses vibrating motor as the vibration source, so that the pellets are thrown up on the screen, and move linearly forward. Several sizes of screens are equipped for pellets discharging from their respective outlets.

2. Linear screen fully enclosed structure, no dust and overflow, automatic discharge, etc., more suitable for 24-hour assembly line operation.

3. Linear screen by low energy consumption, high output, simple structure and easy maintenance.

4. Combination of filtration and dehydration, high efficiency and power saving.

7.Electric components

*PLC/HMI Controlling system,

*All electrical units mounted in a steel cabinet,

*All heaters equip with Ammeters,
*Safety interlock principle applied in the system,

*All electrical units: LS, Schneider, Siemens and ABB.