Thermal Dryer for Plastic Recycling
This drying solution is intended to reduce moisture, improve material handling, and prepare recycled plastics for stable downstream processing.
- Configured according to material type, contamination condition, and throughput target.
- Designed for stable industrial operation and practical maintenance access.
- Available with project-based layout and support options.
Equipment Overview
Industrial Solution Overview
Our thermal dryer uses a 48 kW electric heating element and a 7.5 kW high-pressure blower to continuously push hot air through a 30-metre, 219 mm-diameter stainless steel duct. Washed plastic flakes travel with the airstream, shedding residual surface moisture along the way. A single pass is typically sufficient to bring moisture content below 3%—the threshold most extruders and pelletizers require for stable processing. For demanding applications that require moisture below 1%, two or three heater stages can be arranged in series. All parts in direct contact with material are made from SUS304 stainless steel, while the outer frame uses 60 × 60 × 3 mm carbon steel square tube for rigidity. Insulation cotton wrapping minimises heat loss and reduces operating energy costs.
Key Features
Effective Moisture Reduction
Designed to reduce residual moisture and improve downstream feeding conditions.
Stable Material Discharge
Helps improve bulk density, handling, and process continuity after washing.
Line Integration Ready
Suitable as part of washing, dewatering, drying, or pelletizing systems.
Maintenance-Friendly Structure
Built for practical servicing, reliable operation, and long-term industrial use.
Typical Applications
Washed Film Flakes
Prepared for squeezing, drying, or pelletizing.
Rigid Plastic Regrind
Reduced moisture before storage or downstream use.
Continuous Recycling Lines
Integrated with conveyors, silos, or pelletizing equipment.
Customized Drying Duty
Configured by material type, contamination, and output target.
Technical Specifications
| Parameter | Specification |
|---|---|
| Processing Capacity | 400–500 kg/hr (customizable) |
| Outlet Moisture Content | < 3% (single stage); < 1% with multi-stage configuration |
| Heating Power | 48 kW (customizable) |
| Fan Power | 7.5 kW (customizable) |
| Material-Contact Parts | SUS304 stainless steel |
| Configuration | Project-based; single or multi-stage |
See It in Action
Frequently Asked Questions
Why is a thermal dryer needed after a dewatering machine?
A dewatering machine (like a centrifugal dryer) removes the bulk of surface water mechanically. However, to achieve the very low moisture content (under 3%) required for high-quality extrusion, a thermal dryer is essential to evaporate the remaining residual moisture using hot air.
What is the final moisture level I can expect?
A single thermal heater is generally sufficient to reduce moisture to below 3%. For operations that require ultra-low moisture levels (for example below 1%), we can configure a system with two or three thermal heaters positioned consecutively.
Can this dryer be used for materials other than plastic film and PET?
This system is specifically engineered and optimized for lightweight materials like plastic film and PET flakes. While it may be suitable for other similar materials, we recommend contacting our technical team to discuss your specific material and requirements.
How do I keep the thermal dryer operating at peak efficiency?
Schedule weekly inspections of blower filters, cyclone outlets, and duct unions. Keeping these components clean prevents pressure drops and preserves target air volume, ensuring consistent moisture removal.
Can the dryer integrate into my existing washing line?
Yes. We supply detailed interface drawings and adapter kits that let you connect to most centrifugal dryers and conveyance systems. Our engineers review your plant layout to match blower capacity and duct routing before shipment.
Related Equipment
Centrifugal Dewatering Machine
The mechanical pre-drying step upstream of the thermal dryer. Removes bulk surface water before hot-air drying brings moisture below 3%.
Complete Plastic Washing Lines
Full washing, dewatering, and drying system packages for PET bottles, PE film, and mixed rigid plastics.
Warranty & Installation
Warranty Coverage
Standard warranty coverage is available for supported machine components and manufacturing defects.
Installation & Support
We provide installation guidance, commissioning support, operator training, and spare parts service according to project scope.
Request a Customized Solution
Share your material details, capacity target, and project requirement. We will recommend a suitable configuration.
