Electric Heat Rotary Drying Equipmen Indirect Heating
Zhengzhou Hengyang Industry has been active in drying technology for more than 40 years. The Hengyang drum dryers are globally recognized as state-of-the-art drying technology.
Feeding /discharge
Automatic and continuous. Vibrators, screw feeders, rotary airlocks, double flap valves, gravity chutes
Feed Characteristics
Powders, granules, non friable agglomerates, large solid particles. Low to high feed rates
Heat Source
Electricity
Exposure
Mostly Direct. Flow is co-current or countercurrent. Flow is a combination of through the bed, cross, co-current or countercurrent for rotation. Residence time Controllable.
Extraction
Normally induced. Systems can have combustion, forced and induced draft fans for operation.
Dust Collection
Cyclones, bag houses, scrubbers, Electrostatic precipitators. Systems require dust collection.
Control
PLC, infrequently solid state controllers. System controls on discharge temperature. Can modulate energy and feed.
Benefits
- High throughput
- Forgiving Operation
- Low cost - Higher for louvre
- Gentle handling for louvre dryer
- Very intimate product contact for louvre dryer
- Robust
- Can handle variations in feed although the product may be inconsistent
- High temperature operation - can be refractory lined.
- Unit can have integral cooling section.
Electricity-Heating Sources Rotary Drum Dryer Technical Details
| Type | Spec | Dia of Roll | Length of roll | Gradient | Speed(rpm) | Weight(t) | Motor Power(kw) | Heating Power (KW) |
| HY600 | φ 0.6× 8 | φ 600 | 8m | 3-5 | 8 | 5.1 | 4/6p | 45 |
| HY800 | φ 0.8× 10 | φ 800 | 10 m | 3-5 | 7.2 | 6.9 | 4/6p | 60 |
| HY1000 | φ 1.0× 10 | φ 1000 | 10m | 3-5 | 6.73 | 7.5 | 5.5/6p | 90 |
| HY1200 | φ 1.2× 12 | φ 1200 | 12m | 3-5 | 5.8 | 13.1 | 11/6p | 120 |
| HY1500 | φ 1.5× 12 | φ 1500 | 12m | 3-5 | 4.8 | 22.3 | 15/6p | 150 |
| HY2200 | φ 2.2× 14 | φ 2200 | 14m | 3-5 | 3.2 | 52.8 | 30 | 200 |
| HY2400 | φ 2.4× 18 | φ 2400 | 18m | 3-5 | 3 | 73.3 | 37 | 300 |
| HY2800 | φ 2.8× 24 | φ 2800 | 24m | 3-5 | 2.59 | 97 | 75 | 400 |
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