Centrifugal Dryer & Dewatering Machine
A highly effective, yet low-energy consuming piece of drying equipment. Our dewatering machine utilizes centrifugal force to mechanically remove the bulk of water from plastic flakes, making it the essential first step in the drying process for any PE film or PET bottle washing line.
Working Principle
At the center of the machine is a long shaft with paddles, spinning at nearly 1,000 RPM inside a mesh screen tunnel. As material is fed in, centrifugal force throws it against the screen. Water passes through the mesh for collection, while the semi-dry plastic moves on to the next drying stage, typically a thermal dryer.
Key Advantages
- Low Energy Consumption
As a mechanical drying process, it uses significantly less energy compared to thermal dryers, making it a highly cost-efficient first step.
- Dual-Function Cleaning
Our innovative design also functions as a friction washer, using cold water to cool and further scrub plastic flakes, improving final purity.
- High-Speed Efficiency
With rotation speeds up to 1400 RPM, it processes a high volume of material quickly, preventing bottlenecks in your washing line.
- Prepares for Final Drying
By removing the bulk of water, it makes the subsequent thermal drying stage faster and more effective, ensuring a high-quality end product.
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Technical Specifications
| Model | Motor Power | Main Shaft Diameter | Rotating Speed | Capacity |
|---|---|---|---|---|
| HXJ400 | 37KW | 400mm | 1400 RPM | 400 – 800 KG/H |
| HXJ550 | 45KW | 550mm | 1200 RPM | 600 – 1000 KG/H |
| HXJ750 | 55KW | 750mm | 1080 RPM | 1200 – 2000 KG/H |
Frequently Asked Questions
This machine serves as the crucial first step in the drying process. It uses centrifugal force to mechanically remove the majority of surface water from plastic flakes, which is a very energy-efficient method before the final thermal drying stage.
A dewatering machine can typically reduce the moisture content of washed plastic flakes down to approximately 20-30%. This prepares the material perfectly for a thermal dryer to achieve final moisture levels of under 3%.
Yes, our innovative design allows it to also function as a friction washer. It uses cold water to simultaneously cool and further scrub the plastic flakes, helping to remove any remaining fine contaminants.
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