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Product Spotlights
Uniform & Efficient Drying
Energy-Saving Operation
Customizable Size & Speed
Continuous & Automated Process
High-Quality Stainless Steel Construction
Wide Material Adaptability
Long Service Life & Durability
Low Maintenance Requirement
Compact & Robust Design
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Product Overview
A rotary drum dryer is a large-scale industrial drying machine designed for continuous, high-volume processing of bulk materials with high moisture content. It is a central piece of equipment in industries such as mining (for ores, concentrates, slags), construction (for sand, gravel, clay), agriculture (for feed, fertilizer), and chemical processing. Its core function is to efficiently reduce the moisture of materials through direct or indirect heat transfer within a rotating cylindrical drum.
Working Principle
Wet material is fed into one end of a slightly inclined, rotating cylinder. As the drum rotates, internal lifting flights (or fins) pick up the material and shower it through a stream of hot gas (typically air or combustion gases), maximizing the surface area for heat exchange. The material travels slowly from the feed end to the discharge end due to gravity and the drum's incline. The hot gas, flowing either co-currently or counter-currently to the material, evaporates the moisture. The dried product is discharged at the opposite end, while the moist exhaust gas is treated and released through a dust collection system.
Key Features & Advantages
High Capacity & Continuous Operation: Capable of handling from 1 to over 100 tons per hour (TPH), supporting 24/7 production.
Robust & Durable: Built with heavy-duty steel plates and wear-resistant liners to withstand abrasive materials and harsh conditions.
High Thermal Efficiency: Advanced designs incorporate heat recovery systems, lifting flights for optimal material dispersion, and proper insulation, achieving thermal efficiencies often above 90%.
Wide Material Adaptability: Can be customized with different internal structures, drum speeds, and heat sources (gas, oil, coal, biomass, steam) to handle a vast range of materials from powders and granules to flakes and sludges.
Low Operating Cost: Automated controls minimize labor, and high efficiency reduces fuel consumption per ton of dried product.
Customizable & Scalable: Available in standard sizes or fully customized (OEM) designs to fit specific space, process, and output requirements.
Technical Specifications
| Product Specs (m) | Capacity (T/H) | Main Motor Power (kW) | Main Motor Model | Main Gearbox Model | Ratio |
| φ1.2×10m | 2.5 | 7.5 | Y160M-R3 | ZL50-16-1 | - |
| φ1.5×12m | 3.3 - 4.9 | 10 | Y160L-6B3 | JZQ500-III-2F | - |
| φ1.5×15m | 4 - 6 | 18.5 | Y200L-6 | JZQ500-III-2F | - |
| φ1.8×12m | 4 - 6 | 11 | Y200L-6 | ZQ50-16II-2 | 16.46 |
| φ2.2×12m | 7 - 12 | 18.5 | Y160L-6 | JZQ650-III | 31.5 |
| φ2.2×14m | 7 - 12 | 18.5 | Y160L-6 | JZQ750-III | 31.5 |
| φ2.2×16m | 12 | 30 | Y225M-6 | JZQ750-III | 31.5 |
| φ2.4×14m | 12 | 30 | Y250M-6 | JZQ750-III | 31.5 |
| φ2.4×18m | 10 - 13 | 37 | Y250M-6 | ZL85-13-1 | 27.16 |
| φ2.4×20m | 10 - 14 | 37 | Y250M-6 | ZL85-13-1 | 27.16 |
| φ3×20m | 25 | 55 | Y250M-4 | ZL100-16-1 | 41.52 |
| φ3×25m | 32 - 36 | 75 | YR280M-4 | ZL100-16-1 | 41.52 |
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