Technical Specifications
| Model | Capacity (kg) | Heating Power (kW) | Blower Power (W) | Overall Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| HY-25KG | 25 | 3.5 | 135 | 760 × 460 × 830 | 38 |
| HY-50KG | 50 | 4.5 | 155 | 850 × 490 × 950 | 40 |
| HY-75KG | 75 | 5.2 | 155 | 890 × 550 × 1040 | 46 |
| HY-100KG | 100 | 6 | 215 | 1020 × 630 × 1090 | 60 |
| HY-150KG | 150 | 9 | 215 | 1070 × 670 × 1290 | 80 |
| HY-200KG | 200 | 12 | 320 | 1200 × 830 × 1430 | 100 |
| HY-300KG | 300 | 15 | 320 | 1290 × 940 × 1600 | 140 |
| HY-400KG | 400 | 18 | 340 | 1380 × 980 × 1680 | 185 |
| HY-500KG | 500 | 18 | 340 | 1450 × 1030 × 1650 | 198 |
| Custom non-standard models are available upon request. | |||||
Hot Air Plastic Hopper Dryer for Stable Resin Drying
The hot air plastic hopper dryer is designed for drying plastic granules before molding and extrusion processes. It is widely used together with injection molding machines, extrusion lines, and blow molding equipment to remove surface and internal moisture from plastic materials and ensure stable product quality.
By using a hot air circulation system, the dryer allows heated air to pass evenly through the material bed, improving drying efficiency and helping prevent common production defects such as silver streaks, bubbles, poor surface finish, and reduced mechanical strength. :contentReference[oaicite:0]{index=0}
It is especially suitable for moisture-sensitive engineering plastics such as PA, PC, and PET, making it an essential pre-processing device for high-quality plastic production. :contentReference[oaicite:1]{index=1}
Key Advantages
- Efficient Drying Performance: Hot air circulation ensures uniform and fast moisture removal.
- Stable Product Quality: Helps reduce molding defects caused by wet materials.
- Accurate Temperature Control: Digital control system maintains stable drying temperature.
- Wide Material Compatibility: Suitable for general resins and engineering plastics.
- Easy Operation: One-button operation with simple temperature and time setting.
- Safe and Reliable: Equipped with overheat protection and fan fault alarm.
- Automation Ready: Can be integrated with plastic molding machines for continuous production.
Applications of Hot Air Plastic Dryers
Hot air plastic dryers are widely used in plastic processing industries where stable raw material moisture control is essential.
Injection Molding Industry
Drying plastic granules before molding to improve product appearance and strength.
Extrusion Production
Pre-drying materials for films, pipes, sheets, and profiles.
Blow Molding Applications
Ensuring stable drying for bottles, containers, and hollow products.
Engineering Plastic Processing
Pre-drying hygroscopic materials such as PA, PC, and PET for high-quality production.
Frequently Asked Questions
What is a hopper dryer used for?
A hopper dryer is used to remove moisture from plastic granules before injection molding, extrusion, or blow molding.
Why is drying plastic material important?
Proper drying helps prevent defects such as silver streaks, bubbles, poor surface finish, and reduced product strength.
What materials can this dryer handle?
It is suitable for many plastic materials, including moisture-sensitive engineering plastics such as PA, PC, and PET.
Can it work with injection molding machines?
Yes, it is commonly installed beside injection molding machines and can be integrated into automated production systems.
How does the hot air drying system work?
Heated air is blown into the hopper, passes through the material layer, removes moisture, and exits from the top for efficient drying.
