High Efficiency Dehumidifying Drying System Plastic Resin Dryer
Application
The high efficiency dehumidifying drying system PET dryer is particularly suitable for the high efficiency dehumidification operation of recycled PET material. It is widely applied to injection molding, extrusion, plastic molding and processing and many other industries, which is indispensable drying dehumidifying equipment for the production of plastic products in their earlier stage. It is suitable for all plastic materials that need be dehumidified and dried, such as PET, TPU, PMMA, PLA, SGP, PS, and ABS.
| Air volume | 1200m³/H | 1800m³/H | 2400m³/H |
| Main air blower | 5.5KW | 7.5KW | 11KW |
| Regenerative heating | 12KW | 12KW | 18KW |
| Desiccant wheel(Switzerland） | φ660*300 | φ770*300 | φ870*300 |
| Motor for desiccant wheel | 40W | 40W | 40W |
| Refrigerating unit | 4HP*3 | 5HP*3 | 5HP*3 |
| Refrigerant | R22 | R22 | R22 |
| Agitator motor | 2.2KW helical gears | 2.2KW helical gears | 3KW helical gears |
| Drying and heating | 45KW | 45KW | 54KW |
| Cooling water | Water pressure | 0.2-0.3MPa | |
| Water flow | 12-15m³ | ||
| Water temperature | 10-30℃ | ||
| Traditional crystallizing drying system (crystalizing drying period≥5H) | |||||||||
| Model, drying capacity | Crystallizer agitator motor (KW/H) | Crystallizer air blower (KW/H) | Crystallizing heat (KW/H) | Regenerating motor(KW/H) | Regenerative heat (KW/H) | Drying air blower(KW/H) | Drying heat(KW/H) | Feeder motor(KW/H) | Installed power(KW/H) |
| 400KG/H | 2.2 | 4 | 36 | 1.6 | 18 | 12.5 | 45 | 7.5 | 126.8 |
| 500KG/H | 2.2 | 5.5 | 36 | 1.6 | 18 | 18.5 | 54 | 7.5X2 | 150.8 |
| 600KG/H | 2.2 | 7.5 | 45 | 4 | 24 | 8.5X2 | 63 | 7.5X2 | 177.7 |
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| High Efficiency Dehumidifying Drying System PET dryer (drying period ≥1.5H, free of crystallization) | |||||||||
| Model, drying capacity | Crystallizer agitator motor (KW/H) | Crystallizer air blower (KW/H) | Crystallizing heat (KW/H) | Regenerating heat (KW/H) | Refrigeration Compressors (KW/H) | Motor for desiccant wheel (KW/H) | Drying heat(KW/H) | Feeder motor(KW/H) | Installed power(KW/H) |
| 400KG/H | 2.2 | 4 | ### | 12 | 3.75X2 | 0.025 | 36 | 5.5 | 67.225 |
| 500KG/H | 2.2 | 5.5 | ### | 12 | 3.75X3 | 0.04 | 45 | 7.5 | 83.49 |
| 600KG/H | 2.2 | 7.5 | ### | 18 | 3.75X3 | 0.04 | 54 | 7.5 | 100.49 |
Compare with traditional crystallizing drying system: from crystallization to drying, traditional crystallizing drying system needs a total of 5 hours, while this high efficiency dehumidifying and drying system only needs 1 hour, saving 60% energy.
The data measured on customer site shows that the 500KG/H machine can drying 1 ton material with an electricity consumption only of 110kw/h.
- Dehumidifier Common size: 1600*1200*1900 (can be enlarged depending on customer’ output demand)
- Drying hopper 1.80mm insulation layer observation door, observation is safe and conveniently.
2.Wrapped with 80mm aluminum silicate cotton greatly locks the heat and saves energy.
3.Anti-eccentric feeding device, uniform and smooth feeding without geting stuck.
4.Complete safety measures: the top of the tank is equipped with guardrail, and the side with
Principle
1.The air flow from the inlet will be refrigerated and compressed, to realize the first stage of dehumidifying effect.
2.Then use cellular silica gel wheel to achieve the second stage of dehumidifying effect.
3.Next, the dry air that reaches the request of dehumidification can enter into the heating cabinet for heating (the heating temperature can be set depending on the process requirements of the material).
4.Finally, it enters into a dynamic dryer, in a vortex type 360 degrees bottom-up uniform diffusion. Meanwhile, the drying hopper stirs at a low speed (to simulate the form of manual scrub), to make the material loose, allowing each grain of material can be heated uniformly, so as to complete dynamic drying.
Features:
A.Suitable for all kinds of plastic materials that need be dehumidified and dried, including PET, TPU, PMMA, PLA, SGP, PS, ABS etc.
B.For recycled PET material, traditional crystallizer is left out and thus the total installed power reduces 55%, greatly saving the energy consumption while improving the drying efficiency.
C.For low temperature dry materials, 10-20 degrees above the needed temperature can be increased for drying, thus not only the drying time can be saved, but also the drying efficiency increased.
D.Vortex type air inlet device (Hejin pioneered), from bottom to top presenting a 360 degrees vortex type air intake path, allows the airflow entering into the hopper directly in the 360 degree no dead angle uniform diffusion, and thus avoiding the uneven heating and local overheating from causing the occurrence of material caking, yellowing and other phenomenon, so as to improve the overall drying effect.
E.Simulate the stirring form of manual scrub to make the material loose, realize the material heat uniformly, preventing the material from caking, bridging etc., reducing the drying time, as well as improving the drying efficiency.
