chemical rotary dryer
The Best Choices for Your Project
- Customization Service：The maximum customizable diameter is 3.5 meters
- Solution：Provide solutions for your problems
- Dryer length: 8 meters to 50 meters.
chemical rotary dryer
A Chemical Rotary Dryer (also known as a rotary drum dryer) is an industrial drying system designed specifically to remove moisture from a wide range of chemical materials. It is a robust, cylindrical drum that rotates, tumbling the material while hot air or gas passes through it, resulting in efficient and uniform drying.
This equipment is a cornerstone in chemical processing plants, prized for its reliability, high capacity, and ability to handle challenging materials that other dryers cannot.
The working principle of a chemical rotary dryer is both simple and highly effective, relying on direct or indirect heat transfer and the tumbling action of the drum. Here’s a step-by-step breakdown:
Feed Introduction: Wet chemical feedstock is continuously fed into the elevated end of the slightly inclined rotating drum.
Lifting and Tumbling: As the drum rotates, internal lifting flights (or fins) pick up the material and shower it down as a curtain throughout the cross-section of the drum.
Heat Contact: A stream of hot air or gas is passed through the drum (co-currently or counter-currently to the material flow). This hot gas comes into direct contact with the showered material, evaporating the moisture.
Progressive Drying: The combination of the drum’s incline and rotation gently moves the material from the feed end to the discharge end. During this journey, it is repeatedly lifted and showered, ensuring every particle is exposed to the heat for uniform drying.
Discharge: The now-dried product exits the lower end of the drum, while the moisture-laden exhaust gas is treated and released, often through a dust collection system like a baghouse or cyclone.
| Model | Drum Diameter (m) | Drum Length (m) | Evaporation Capacity (kg H₂O/h) | Power (kW) | Suitable Ore Capacity* (TPH) |
|---|---|---|---|---|---|
| ORD-1215 | 1.2 | 15 | 500 – 1,000 | 18.5 – 22 | 3 – 6 |
| ORD-1520 | 1.5 | 20 | 1,000 – 1,800 | 30 – 37 | 6 – 12 |
| ORD-1824 | 1.8 | 24 | 1,800 – 3,000 | 45 – 55 | 12 – 20 |
| ORD-2228 | 2.2 | 28 | 3,000 – 4,800 | 75 – 90 | 20 – 35 |
| ORD-2432 | 2.4 | 32 | 4,800 – 6,500 | 90 – 110 | 35 – 50 |
Materials a Chemical Rotary Dryer Can Process
Chemical rotary dryers are incredibly versatile and can handle a vast array of materials, including but not limited to:
Inorganic Salts: Sodium carbonate, potassium chloride, ammonium sulfate, calcium chloride.
Organic Chemicals: PVC resin, pesticides, herbicides, dyes, and pigments.
Mineral Ores & Concentrates: Silica sand, gypsum, clay, limestone, and metal concentrates.
Advanced Materials: Battery materials like cathode and anode powders (e.g., Lithium Cobalt Oxide, Graphite).
Fertilizers: NPK fertilizers, urea, and other compound fertilizers.
By-Products: Filter cakes, sludges, and precipitated materials from chemical processes.
Key Features and Advantages of Our Chemical Rotary Dryer
Our chemical rotary dryers are engineered for peak performance and durability, offering distinct advantages:
High Thermal Efficiency: Designed for optimal heat transfer, reducing energy consumption and operational costs.
Robust Construction: Built from high-quality, corrosion-resistant materials (e.g., stainless steel) to withstand corrosive chemicals and abrasive materials.
Uniform Drying: The tumbling action ensures every particle is dried evenly, resulting in a consistent, high-quality product.
High Capacity & Continuous Operation: Ideal for large-scale, 24/7 industrial production.
Low Maintenance: Simple design with fewer moving parts leads to reduced downtime and maintenance requirements.
Flexibility: Can be configured for direct, indirect, or combined heating to suit heat-sensitive or specific material requirements.
Automation and Control Systems
Modern chemical processing demands precision and control. Our rotary dryers can be equipped with advanced automation systems that allow for:
Precise Temperature Control: Automated monitoring and adjustment of inlet/outlet gas temperatures.
Rotational Speed Control: Variable Frequency Drives (VFDs) to adjust the drum speed for optimal retention time.
Integrated Safety Systems: Over-temperature protection, pressure monitoring, and emergency stop functions.
PLC & SCADA Integration: Full integration with your plant’s control system for real-time monitoring, data logging, and remote operation, ensuring consistent product quality and operational safety.
We Provide Customized Chemical Rotary Dryer Solutions
We understand that no two drying requirements are the same. We specialize in designing and manufacturing custom-built chemical rotary dryers tailored to your specific needs. Our engineering team will work with you to determine the optimal solution based on:
Material Characteristics: Moisture content, particle size, abrasiveness, and thermal sensitivity.
Production Capacity: Required throughput (kg/h or ton/h).
Heat Source: Availability of steam, natural gas, hot oil, or electricity.
Space Constraints: Designing for your available plant layout.
End-Product Specification: Desired final moisture content and particle integrity.
Contact us today to discuss your project. Let our experts provide you with a efficient, reliable, and perfectly customized chemical rotary dryer that enhances your production line’s productivity and profitability.