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PET plastic dehumidification, stirring and drying
PET plastic dehumidification, stirring and drying，PET dehumidification，PET plastic
### **PET Plastic Dehumidification, Stirring & Drying System**
**—Integrated Solution for High-Precision Polymer Conditioning**
---
#### **Core Technology**
1. **Triple-Function Integration**
- **Dehumidification**: Dual-layer molecular sieves (4A + 13X) achieve a **-45°C dew point**, reducing moisture to **≤30 ppm** (ISO 15512 compliant).
- **Stirring**: 3D helical agitator with variable-speed drive (5–35 RPM) ensures uniform thermal distribution (±1.2°C variance).
- **Drying**: Multi-zone hot air circulation (80–160°C) optimizes crystallinity (25–50%) for downstream processing.
2. **Smart Process Control**
- Real-time monitoring via:
- NIR moisture sensors (±5 ppm accuracy)
- DSC-based crystallinity prediction algorithm
- IoT-enabled PLC with remote diagnostics
---
#### **System Configuration**
| Module | Key Components | Functionality |
|--------|----------------|---------------|
| **Pre-Treatment** | Vibratory sieve + magnetic separator | Removes fines (≤0.5mm) and metal contaminants |
| **Dehumidifier** | Rotor adsorption wheel (PVDF-coated) | Maintains ≤30 ppm moisture |
| **Stirring Chamber** | PTFE-coated blades + anti-static lining | Prevents pellet bridging |
| **Drying Tower** | Energy recovery heat exchanger | Reduces energy use by 35% | 
---
#### **Technical Specifications**
| Parameter | Value |
|-----------|-------|
| Capacity | 0.5–12 tons/hour |
| Power Consumption | 0.15–0.28 kWh/kg |
| Residual Oxygen | <300 ppm (optional nitrogen purge) |
| Pellet Damage Rate | <0.05% |
| Noise Level | ≤50 dB(A) |
#### **Innovative Features**
- **Anti-Bridging Design**: Air cushion-assisted material flow prevents clogging.
- **Self-Cleaning Mechanism**: Automatic compressed air purge (2–10 bar adjustable).
- **Hybrid Heating**: Combines electric + steam heating for flexible temperature control.
#### **Industrial Applications**
1. **Bottle Preform Production**: Ensures IV drop ≤0.02 dl/g, meeting Coca-Cola PET PCR 50+ standards.
2. **Sheet Extrusion**: Reduces fish eyes to <3 pcs/m2 in APET/CPET sheets.
3. **Recycled PET (rPET)**: Processes post-consumer flakes with ≤0.3% contamination.
#### **Certifications & Compliance**
- **CE Mark** (EN 60204-1)
- **FDA 21 CFR §177.1630** (food-contact approval)
- **ISO 50001** (energy efficiency)
- **ATEX Zone 22** (explosion-proof option)
#### **Operational Benefits**
- **Energy Savings**: Cuts annual CO? emissions by 150+ tons (vs. conventional systems).
- **Quality Improvement**: Increases product yield from 88% to 98.5%.
- **Downtime Reduction**: Predictive maintenance alerts slash unplanned stops by 60%.
**Case Study**:
A North American PET bottle manufacturer achieved:
- 30% faster production line speed
- $220,000/year energy cost reduction
- ROI within 14 months
Globally deployed in 80+ facilities, this system guarantees ≤50 ppm moisture consistency for 99.8% of production batches.
