Rotary drier:
mainly used for drying high moisture (30%-60%) raw materials, such as wood chips, palm silk, etc.
Features:
1. Suitable for drying the straw, the long fiber, and 20-30 cm size of grass, granular, woodchips, flake. Etc.
2. Low power and energy consumption.
3. It can be adjusted the drying speed according to the moisture request.
4. Continuous feeding and discharging and high output.
5. Simple structure and efficient drying.
6. For operation and maintenance.
7. Moisture: Fresh wood chips 35% after drying less than 10%.
8. Consist of: Main body of the dryer; Rotary separating device; Hopping valve.
Rotary Dryer Structure:
Consist of a rotating cylinder, transmission device, supporting device and shoveling
plates, etc, rotary drum dryer is a horizontal type drying device. There are shoveling
plates indifferent angels welded throughout the inner side of the whole drum.
The feeding place is set door ring and rotary shoveling plates to avoid materials
splashing.
Rotary Dryer Working Principle:
Biomass materials with high moisture content are fed into the rotary cylinder; shoveling
plates inside the drum walls raise up materials and these materials scatter down to
move in a spiral forward style. During the constant raising up and scattering down,
biomass materials can absorb enough amount of heat, at the same time, the drying
time is extended to achieve the best drying effects.
Moder | XD10 | XD15 | XD20 | XD30 | XD40 | XD50 | XD60 |
Outer tube diameter (mm) | 2000 | 2000 | 2300 | 2300 | 2700 | 3000 | 3450 |
Tube length (mm) | 6300 | 7500 | 7000 | 9700 | 10500 | 11600 | 11600 |
Inlet air temperature(℃) | <400 | <400 | <400 | <400 | <400 | <400 | <400 |
outlet air temperature(℃) | <80 | <80 | <80 | <80 | <80 | <80 | <80 |
Rotating speed(r/min) | 7 (adjustable) |
7 (adjustable)
|
7 (adjustable)
|
7 (adjustable)
|
7 (adjustable)
|
7 (adjustable)
|
7 (adjustable)
|
Feed moisture | 30%~50% | 30%~50% | 30%~50% | 30%~50% | 30%~50% | 30%~50% | 30%~50% |
Discharge moisture | 13%~15% | 13%~15% | 13%~15% | 13%~15% | 13%~15% | 13%~15% | 13%~15% |
Power(kW) | 4*2 | 5.5*2 | 5.5*2 | 7.5*2 | 4*4 | 4*2+5.5*2 | 5.5*4 |
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