Modification and Pelletizing Solution for PE Flakes with 30% Calcium Carbonate

2026/04/27

ACERETECH ATE Parallel Twin-Screw Pelletizing Machine


👉 Suitable for the modification and pelletizing of highly filled (30% CaCO₃) PE flakes
👉 Features a parallel twin-screw structure for robust dispersion and efficient compounding
👉 Equipped with spiral side feeding and precise temperature control to ensure stable, continuous production
👉 Delivers a stable output capacity of 700–800 kg/h, meeting the demands of industrial-scale applications

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I. Industry Challenges: Why is High-Filling PE Modification Difficult?

In the field of modified plastics, as the filling ratio of calcium carbonate (CaCO₃) rises to 30%, traditional pelletizing equipment encounters significant bottlenecks:

High Filler Ratio → Reduced Melt Flowability
Difficult Dispersion → Unstable Pellet Performance
High Abrasion → Shortened Equipment Lifespan
Increased Thermal Sensitivity → Prone to Degradation and Yellowing

👉 The Core Contradiction: The need to achieve both a high filling ratio *and* stable, high-quality production.

II. The Solution: The ATE Parallel Twin-Screw Pelletizing System

The ACERETECH ATE series of parallel twin-screw pelletizing machines is specifically optimized for high-filling modification and pelletizing applications. It is capable of stably processing PE flakes containing 30% CaCO₃, enabling efficient, continuous, and controllable industrial-scale production. By optimizing the screw structure, feeding system, and temperature control system, the ATE system achieves the following under high-filler conditions:

✔ Efficient Dispersion: Ensures uniform distribution of calcium carbonate within the PE matrix.
✔ Stable Feeding: Prevents bridging and feeding fluctuations.
✔ Continuous Production: Reduces downtime and boosts production efficiency.
✔ High-Quality Pellet Output: Produces uniform pellets with stable performance.

III. Core Technological Advantages of the ATE Twin-Screw Pelletizing Machine

1️⃣ Side-Feeding Screw System (Enhancing Feeding Stability)

Designed specifically for high-filler systems involving PE flakes + CaCO₃:

Characterized by significant density differences
Characterized by poor flowability

ATE employs a side-feeding screw design:

Enables uniform and continuous conveyance of resin and filler.
Effectively prevents bridging and material clogging.
Significantly enhances feeding stability and continuity.

2️⃣ 75mm Parallel Twin-Screw Structure (Core Dispersion & Compounding Capability)

Optimized screw configuration (Shearing elements + Dispersion modules).
Intensifies compounding and plasticization effects.
Maintains stable melt pressure under conditions with 30% CaCO₃ filler content.

👉 Achieves uniform dispersion and stable extrusion in high-filler systems.

3️⃣ Intelligent Control System (Ensuring Continuous & Stable Operation)

Real-time monitoring: Screw speed / Torque / Temperature
Automatic adjustment of key process parameters
Prevents equipment overload and melt fluctuations

👉 Enhances overall line stability and reduces reliance on manual operation.

4️⃣ Precision Temperature Control System (Preventing Material Degradation)

Cast-copper / Cast-aluminum heaters + Water cooling system.

Rapid response to temperature fluctuations.
Multi-zone independent precision temperature control.
High-efficiency heat dissipation capability.

👉 Effectively prevents:

Thermal degradation of PE.
Pellet discoloration (yellowing).
Deterioration of mechanical properties.

5️⃣ High-Efficiency Filtration System (Enabling Continuous Production)

SCF Self-Cleaning Filtration System.

Automatic removal of impurities online.
Reduces the frequency of manual screen changes.
Significantly minimizes downtime.

👉 Enables truly continuous production (Continuous Operation).

6️⃣ High-Quality Pelletizing & Dewatering System

Water-Ring Pelletizing System.

Stable and continuous pelletizing process.
Produces round, uniformly sized pellets.

👉 Particularly suitable for high-filler, high-speed pelletizing applications.

Multi-Stage High-Efficiency Dewatering System.

Vibrating screen + Centrifugal Dewatering Module
Rapid and Thorough Moisture Removal

👉 Product Advantages:

Low moisture content
Excellent flowability
Facilitates storage and downstream processing

7️⃣ Line Capacity & Automation System

Finished Product Silo + Automated Conveying System
Automatically collects, stores, and conveys granules
Optimizes production cycle times

👉 Stable Capacity:
700–800 kg/h

👉 Meets the Requirements for:
Large-scale industrial production
Extended continuous operation

IV. Application Fields for ATE Plastic Modification, Recycling, and Pelletizing

The ATE parallel twin-screw pelletizing system is widely applicable in the fields of high-filler modification and recycling pelletizing, and is particularly well-suited for systems containing inorganic fillers:

PE + CaCO₃ High-Filler Modified Materials (30% and above)
Production of Filler Masterbatches
Recycling and Repelletizing of Films / Sheets
Packaging Materials (packaging films, shopping bags, etc.)
Construction Materials (pipes, boards, profiles)
Daily-Use Plastic Products (injection-molded / blow-molded products)

👉 Helps Customers Achieve: Reduced raw material costs + Enhanced product consistency + Improved production efficiency

V. Why Choose ACERETECH?

In the field of high-filler modification and pelletizing, equipment stability and process compatibility are equally critical. ACERETECH provides not just equipment, but comprehensive solutions.

Core Advantages:

🔹 Focus on Plastic Recycling and Modification Pelletizing Technology
Years of deep industry expertise, covering the entire process line from shredding and washing to pelletizing

🔹 Extensive Experience in High-Filler Projects
Successfully applied to various high-filler systems (CaCO₃, talc powder, etc.)

🔹 Customized Screw Design Capabilities
Optimizes screw configurations and process parameters based on varying filler ratios and material characteristics

🔹 Globally Proven, Stable Equipment
Equipment has operated stably over the long term in numerous countries, demonstrating reliable performance

👉 ACERETECH offers not merely equipment, but practical, implementable process solutions for modification and pelletizing. Contact us to receive a professional quotation and service consultation.

FAQ

A: The primary challenges are reduced flowability and increased difficulty in dispersion; additionally, it tends to cause equipment wear and melt instability.

A: Twin-screw extruders possess superior shearing and kneading capabilities, enabling the uniform dispersion of high-filler systems—a feat that is difficult to achieve with single-screw extruders.

A: By optimizing the screw configuration (specifically, the combination of kneading blocks and dispersion elements) and precisely controlling shear intensity, the system ensures the uniform distribution of fillers.

A: Yes, they can; however, the ATE system utilizes wear-resistant materials and an optimized structural design to significantly extend the equipment's service life.

A: Yes, it does. Based on the specific material properties and processing requirements, the screw configuration can be customized to accommodate even higher filler ratios.