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Plastics Flash airflow dryer
| Industry | Plastics |
|---|---|
| Material | Plastic film |
| Equipment | Flash airflow dryer |
| Delivered | 2025-09-01 |
The plastic film carried surface water (45%). Dewatering had to be thorough while the film, which deforms and sticks when heated, stayed within a temperature range that does not harm its form.
Flash airflow drying with the inlet temperature kept clear of the film deformation range for fast dewatering. Air volume and temperature were tuned at the trial run, with matched dust collection.
Film moisture reached about 2%, with the form intact and no sticking.
Capacity varies with operating conditions and is confirmed by a trial run; parameters fixed by machine size, such as air volume, can be stated precisely.
The two have different structures and suit different duties:
It dewaters through brief contact between high-temperature air and the material. Drying is fast, which suits inorganic salts and chemical powders that need rapid dewatering. Sizes are Φ220, Φ280, Φ325, Φ400, Φ500 and Φ600.
The rotating drum tumbles the material for more even heating. It suits sawdust, plastic pellets and flake materials that do not break up while tumbling.
Look at the material form and whether it is sticky. Powders and fast-dewatering duties point to flash airflow; granular or flake materials needing even heating point to rotary. The moisture content and target final moisture still have to be considered.
Tell us the material, initial moisture content and target final moisture, and we will propose a configuration that fits.