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Help CenterPlastic Product Drying Line for PET/PP Recycling Pellets, Hot Air Circulation System
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Deqing Leixin Coating Equipment Co., Ltd., established in 2011 and located in Huzhou, Zhejiang, China, is a professional manufacturer dedicated to providing efficient drying solutions for the plastic recycling industry. Our Plastic Product Drying Line for PET/PP Recycling Pellets with Hot Air Circulation System is designed to remove moisture effectively from recycled PET and PP pellets, ensuring consistent quality for downstream processing. With a factory area of 1,000–3,000 square meters, ISO9001 certified production, and an annual export value of US$1–1.5 million, we offer reliable equipment trusted by clients across North America, Europe, Southeast Asia, and more.
This drying line integrates advanced hot air circulation technology to achieve uniform and efficient drying, reducing energy consumption while maximizing throughput. Whether you are reprocessing PET bottle flakes or PP regrind, our system is engineered to deliver low residual moisture content, preventing defects in extrusion or injection molding processes. Below we detail the key features, technical specifications, and benefits that make this drying line an excellent investment for your recycling operation.
Key Features & Technical Specifications
- Hot Air Circulation System: The closed-loop design recycles heated air, improving thermal efficiency by up to 30% compared to conventional dryers. Adjustable temperature control from 60°C to 180°C suits different material requirements.
- High Capacity & Continuous Operation: Standard models handle from 50 kg/h to 500 kg/h, with customizable configurations for larger or smaller outputs. The line supports 24/7 continuous operation for industrial-scale production.
- Multi-stage Drying Process: Preheating, main drying, and cooling sections ensure thorough moisture removal. The optional dewatering screw or centrifuge can be integrated upstream for wet pellets.
- Durable Construction: Made from stainless steel (304 or 316) or carbon steel with anti-corrosion coating, the drying line withstands harsh recycling environments and has a long service life.
- PLC Control System (Optional): Touch-screen interface allows real-time monitoring of temperature, airflow, and material level. Automated alarms and fault diagnosis reduce manual intervention.
- Low Energy Consumption: The insulated drying chamber and efficient fan design minimize heat loss. Energy consumption is typically 0.5–1.0 kWh per kilogram of dried material, depending on moisture content.
- Easy Maintenance: Quick-access hatches and removable filter screens simplify cleaning and part replacement. The modular design allows for fast assembly and disassembly.
- Safety Features: Over-temperature protection, emergency stop, and explosion-proof motor options ensure safe operation, especially when processing PET with potential dust hazards.
| Parameter | Specification |
|---|---|
| Model | LHDR-100 / LHDR-300 / LHDR-500 (customizable) |
| Drying Capacity | 100 kg/h, 300 kg/h, 500 kg/h |
| Air Flow Rate | 2,000 – 8,000 m³/h |
| Heating Power | 30 – 120 kW (electric / steam / thermal oil optional) |
| Drying Temperature | 60 – 180 °C (adjustable) |
| Moisture Content After Drying | < 0.5% (for PET), < 0.8% (for PP) under normal conditions |
| Power Supply | 380V / 440V / 220V (50/60 Hz), three-phase |
| Overall Dimensions (L×W×H) | 6m × 1.5m × 2.5m (for 300 kg/h model, approximate) |
Customer Benefits
- Improved Product Quality: Consistent low moisture reduces bubble formation, discoloration, and mechanical weaknesses in final plastic products.
- Cost Savings: Energy-efficient hot air circulation lowers electricity or fuel bills. Reduced maintenance and downtime further cut operational costs.
- Flexibility: Handles both PET and PP pellets with simple temperature adjustments. Can also process other hygroscopic materials like ABS, PC, or nylon upon request.
- Scalability: Modular design allows expansion by adding drying modules or integrating with existing conveying and storage systems.
- Environmental Compliance: Closed-loop design minimizes heat loss and dust emission, helping meet local environmental standards.
At Deqing Leixin Coating Equipment Co., Ltd., we have served over 200 recycling companies worldwide since 2011. Our factory with 51–100 skilled workers and ISO9001 quality management system ensures every drying line is manufactured to strict standards. We provide comprehensive after-sales support including installation guidance, commissioning, and spare parts supply. All our machines are shipped from Ningbo or Shanghai ports with robust packaging.
Contact us today to discuss your specific drying requirements. Whether you need a standard solution or a custom-designed line, our team will help you achieve optimal drying performance for your PET/PP recycling pellets. Your satisfaction is our priority.
Frequently Asked Questions
Q1: What is the recommended drying temperature for PET pellets?
A: For PET recycling pellets, we recommend a drying temperature of 150–170°C. Higher temperatures up to 180°C can be used for thicker flakes, but should be tested to avoid degradation. The hot air circulation system maintains uniform temperature throughout the chamber.
Q2: How long does it take to dry the pellets?
A: Drying time depends on initial moisture content, pellet size, and airflow. Typically, PET pellets require 2–4 hours at capacity. The continuous drying line ensures a steady throughput; the residence time can be adjusted by conveyor speed or material level control.
Q3: Can this drying line be used for other plastics besides PET and PP?
A: Yes, it can process a variety of hygroscopic materials such as ABS, PC, PA (nylon), PMMA, and PLA, provided the temperature range is suitable. Please consult our engineers to verify compatibility and adjust parameters accordingly.
Q4: What is the power consumption per kilogram of dried material?
A: Typical energy consumption is between 0.5 and 1.0 kWh/kg, depending on the initial moisture content and target dryness. Our hot air circulation system reduces energy loss by reusing heated air, making it more efficient than traditional dryers.
Q5: Do you provide installation and training?
A: Yes, we offer on-site installation guidance and operator training for your team. Detailed manuals and video instructions are also provided. For overseas clients, remote support via video call is available.
Q6: What is the warranty period for this drying line?
A: We provide a standard 12-month warranty from the date of commissioning. Extended warranty options are available. During the warranty period, we replace defective parts free of charge (excluding consumables).
Q7: Can I get a customized capacity or size?
A: Absolutely. Our drying line is modular and customizable. We can design capacities from 50 kg/h up to 2000 kg/h, and tailor dimensions to fit your existing facility layout. Please provide your specific requirements for a customized quotation.
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