Industrial Rotary Dryer
The Best Choices for Your Project
We specialize in customizing industrial rotary dryers for customers
- Customization Service：The maximum customizable diameter is 3.5 meters
- Solution：Provide solutions for your problems
- Dryer length: 8 meters to 36 meters.
Industrial Rotary Dryer
An industrial rotary dryer is a large rotating drum that dries materials by exposing them to hot air. The materials roll and come into contact with the hot air inside the dryer, and the rotating design speeds up the drying process.
Industrial rotary dryers can be used in various industries such as mining and metallurgy, chemical industries, agriculture and feed, construction materials, environmental protection and waste treatment, etc. They can dry a wide range of materials, such as food, dried sand, concentrate ores, quartz sand, clay, limestone, nickel ore, copper ore, dried feed, distillers’ grains, soybean meal, straw, organic fertilizers, cement materials, slag, fly ash, sand, crushed stone, dried sludge (municipal sludge, industrial sludge), biomass pellets, and refuse-derived fuel from urban household waste.
Large Production Capacity: Industrial rotary dryers can operate 24/7, making them suitable for large-scale industrial applications.
Rotary Design: The rotating mechanism accelerates the drying process. The dryer includes lifting plates that stir the materials, ensuring full contact with the hot air.
Customizable: Industrial rotary dryers can be tailored according to customer requirements, with models available as large as 3.2 meters in diameter and up to 20 meters in length. Small-scale dryers can also be customized, with parameters such as temperature, speed, and air flow adjusted to meet specific drying needs.
Durability: Made with Q235 steel, the materials used for construction are 20% thicker than industry standards. Other components are made of high-quality materials that can withstand harsh working conditions.
Environmental Protection: Featuring a unique environmentally friendly design, industrial rotary dryers have a fully enclosed system, ensuring dust-free operation during the entire drying process.
Model Specifications
| Model | Cylinder Inner Diameter (m) | Cylinder Length (m) | Motor Power (kW) | Cylinder Speed (r/min) | Overall Dimensions (L×W×H) (Reference) |
|---|---|---|---|---|---|
| φ1×8m | 1.0 | 8 | 5.5 | 3–6 | 8×1.9×2.1 |
| φ1×10m | 1.0 | 10 | 5.5 | 3–6 | 10×1.9×2.1 |
| φ1.2×10m | 1.2 | 10 | 7.5 | 3–6 | 10×1.9×2.1 |
| φ1.2×12m | 1.2 | 12 | 7.5 | 3–6 | 12×1.9×2.1 |
| φ1.5×12m | 1.5 | 12 | 15 | 3–6 | 12×2.6×2.8 |
| φ1.5×14m | 1.5 | 14 | 15 | 3–6 | 14×2.6×2.8 |
| φ1.8×14m | 1.8 | 14 | 18.5 | 3–6 | 14×3.0×3.0 |
| φ1.8×18m | 1.8 | 18 | 22 | 3–6 | 18×3.0×3.0 |
| φ2×18m | 2.0 | 18 | 22 | 3–6 | 18×3.2×3.2 |
| φ2.2×18m | 2.2 | 18 | 30 | 3–6 | 18×4.0×3.8 |
| φ2.2×20m | 2.2 | 20 | 30 | 3–6 | 20×4.0×3.8 |
| φ2.4×18m | 2.4 | 18 | 37 | 3–6 | 18×4.0×3.8 |
| φ2.4×20m | 2.4 | 20 | 37 | 3–6 | 20×3.6×3.6 |
| φ2.8×14m | 2.8 | 14 | 75 | 3–6 | 14×4.6×4.6 |
| φ2.8×18m | 2.8 | 18 | 75 | 3–6 | 18×4.6×4.6 |
| φ3×20m | 3.0 | 20 | 110 | 3–6 | 20×5.0×5.0 |
| φ3.2×18m | 3.2 | 18 | 132 | 3–6 | 18×8.0×7.0 |
| φ3.2×20m | 3.2 | 20 | 132 | 3–6 | 20×8.0×7.0 |
Working Principle of Industrial Rotary Dryers
Industrial rotary dryers operate based on the principle of hot air drying.
Feeding System: Materials are fed into the drum from a slightly elevated position.
Drying Process: Inside the rotary dryer, hot air generated from a combustion furnace is continuously fed into the drum through pipes. As the drum rotates, the lifting plates pick up and drop the material, ensuring that the hot air comes into full contact with the material for drying.
Environmental Protection: During the drying process, a dust removal system works simultaneously, collecting moisture and dust.
Discharge: The dried materials are discharged automatically. Due to the inclined position of the drum, the materials gradually move toward the lower end under the influence of gravity and rotation. The finished product is discharged from the outlet.
Exhaust and Dust Treatment: The waste gases, including moisture and fine dust, are purified through dust removal equipment such as cyclone separators, bag filters, or washing towers before being safely released into the atmosphere.
Key Considerations for Using an Industrial Rotary Dryer
To ensure long-term stable operation of the dryer, the following points should be considered:
Proper Operation: The dryer is controlled by a PLC system. Follow the principle of “start the machine before igniting the furnace; stop the furnace before stopping the machine” to avoid uneven heating and deformation of the drum.
Uniform Feeding: Feed materials evenly. Overfeeding or underfeeding can affect the drying efficiency.
Precise Temperature Control: The temperature should be precisely controlled via the PLC system to avoid overheating, which may cause material burning or carbonization.
Fire and Explosion Prevention: For materials that are easily ignited, indirect heating or inert gas injection designs should be used, with appropriate safety monitoring and explosion-proof devices.
Why Choose Us as Your Rotary Dryer Supplier?
Strong Capabilities: As a global leader in industrial rotary dryers, we offer dryers with diameters up to 3.5 meters and lengths up to 35 meters. Smaller models (such as 0.8 meters in diameter and 8 meters in length) are also available. All dryers can be customized based on customer requirements.
Advanced Equipment: Our dryers feature automated control technology, advanced insulation systems, and hot air distribution systems to minimize heat loss and reduce operational costs. We also provide highly efficient exhaust gas purification solutions to ensure that emissions comply with environmental standards.
Premium Materials: We use international-grade steel and wear-resistant materials (such as MN13 abrasion-resistant plates) in the construction of our dryers. Key components are reinforced to ensure durability even in harsh working environments.
Comprehensive Service System: We provide a complete service system, including installation, commissioning, staff training, and after-sales support. You don’t need to coordinate with multiple parties—we take full responsibility for ensuring that your project is successfully launched and runs smoothly.