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Features:
1. The overall size of the dryer is reduced by more than 30% compared to ordinary single-cylinder rotary dryers, thereby reducing external heat loss.
2. The thermal efficiency of the self-insulating dryer is as high as 80% (compared to only 35% for the ordinary rotary dryer), and the thermal efficiency is 45% higher.
3. Due to the compact installation, the floor space is reduced by 50%, and the infrastructure cost is reduced by 60%
4. The temperature of the finished product after drying is about 60-70 degrees, so that it does not need an additional cooler for cooling.
Three cylinder rotary dryer
The three-cylinder rotary dryer is an efficient and energy-saving product improved on the basis of the single-cylinder rotary dryer.
There is a three-layer drum structure in the cylinder, which can make the material reciprocate three times in the cylinder, so that it can obtain sufficient heat exchange, greatly improve the heat utilization rate and reduce power consumption.
| Model |
Outer cylinder dia.(м) |
Outer cylinder length (м) |
Rotating speed (r/min) |
Volume (m³) |
Drying capacity (t/h) |
Power (kw) |
|
CRH1520 |
1.5 |
2 |
3-10 |
3.5 |
3-5 |
4 |
|
CRH1530 |
1.5 |
3 |
3-10 |
5.3 |
5-8 |
5.5 |
|
CRH1840 |
1.8 |
4 |
3-10 |
10.2 |
10-15 |
7.5 |
|
CRH1850 |
1.8 |
5 |
3-10 |
12.7 |
15-20 |
5.5*2 |
|
CRH2245 |
2.2 |
4.5 |
3-10 |
17 |
20-25 |
7.5*2 |
|
CRH2658 |
2.6 |
5.8 |
3-10 |
31 |
25-35 |
5.5*4 |
|
CRH3070 |
3 |
7 |
3-10 |
49 |
50-60 |
7.5*4 |
Answer: A triple-pass rotary dryer is an industrial drying machine with three concentric cylinders. Materials pass through three heating zones (inner, middle, and outer layers) for efficient, uniform drying with reduced energy consumption.
Answer: It's ideal for drying sand (e.g., silica sand, river sand), slag, clay, biomass, mineral powder, and other granular/powdery materials with high moisture content.
Answer: The three-layer design extends heat exchange time, recycles waste heat, and reduces heat loss, cutting fuel consumption by 20-30% compared to single-pass dryers.
Answer: It can reduce moisture content from 15-40% to 0.5-5%, depending on material type, feed rate, and temperature (typically 300-800°C).
Answer:
Higher thermal efficiency (3x heat utilization).
Compact design (smaller footprint).
Lower dust emissions (sealed structure).
Longer service life (wear-resistant lining).
Answer:
Regularly check cylinder seals and bearing lubrication.
Clean heat exchanger surfaces to prevent clogging.
Monitor temperature and airflow to avoid overheating.
Replace worn-out lifting plates inside the cylinders.
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