All Dongding dryers come with a 12-month warranty covering parts and workmanship from the date of commissioning. Lifetime technical support and spare parts supply are provided.
Introduction of Mineral Sludge Rotary Dryer
The Mineral Sludge Dryer is an industrial continuous drying system specially designed for high-moisture, highly viscous and high-water-content mineral sludge generated in mining and mineral processing operations.The Mineral Sludge Rotary Dryer is an industrial continuous drying system specially designed for high-moisture, highly viscous and high-water-content mineral sludge generated in mining and mineral processing operations.
It is suitable for efficiently drying a wide range of mining and mineral processing by-products, including coal sludge, mineral processing tailings, metal ore sludge, mineral slag, clay and other wet mineral materials. The dried material can be more easily transported, stored, processed and further utilized, helping customers improve resource recovery and reduce overall handling costs.
Advantages of Mineral Sludge Rotary Dryer
High-Moisture Drying
Handles high-moisture mineral sludge, tailings and coal sludge efficiently.
Anti-Sticking Design
Reduces material sticking, buildup and agglomeration inside the drum.
High Throughput
Continuous rotary drying with efficient heat transfer and large capacity.
Lower Operating Costs
Reduces moisture, transportation weight and storage requirements.
Flexible Heat Sources
Works with coal, natural gas, biomass, steam and other suitable heat sources.
Customized Solutions
Customized drying systems based on material characteristics, moisture and capacity.
Working Principle of Mineral Sludge Rotary Dryer
The mineral sludge enters the rotating drum through the feeding system and is continuously lifted and scattered by the internal flights. It comes into full contact with the hot air, allowing moisture to evaporate rapidly through efficient heat and mass transfer. As the drum rotates, the dried material gradually moves toward the discharge end and is discharged at the desired moisture content.
Specifications of Mineral Sludge Rotary Dryer
| Specification | Capacity (TPD) | Initial Moisture (%) | Final Moisture (%) | Total Power (kw) | Floor Area (m2) |
| DDMG1918 | 300±10 | 25±5 | ≤5 | 109 | 7m*25m |
| DDMG2218 | 500±30 | 25±5 | ≤5 | 128 | 8m*30m |
| DDMG2520 | 700±30 | 25±5 | ≤5 | 240 | 8m*30m |
| DDMG2822 | 1000±30 | 25±5 | ≤5 | 400 | 8m*40m |
| DDMG3024 | 1200±30 | 25±5 | ≤5 | 480 | 12m*50m |
| DDMG3428 | 1500±30 | 25±5 | ≤5 | 600 | 12m*60m |
| DDMG3830 | 1800±30 | 25±5 | ≤5 | 800 | 16m*70m |
| DDMG4032 | 2000±30 | 25±5 | ≤5 | 1000 | 18m*70m |
| DDMG4238 | 2500±30 | 25±5 | ≤5 | 1200 | 20m*80m |
Notice:
1. Any change of technical data shall not be advised additionally.
2. Parameters above are for reference; final configuration is tailored to your material and capacity.
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Frequently Asked Questions
Common questions about our rotary dryers — pricing, customization, installation and after-sales.
Please share your raw material, initial and target moisture content, required capacity (t/h), available fuel or heat source, and your target market. With these details our engineers can recommend the right model and send an accurate quotation.
As a manufacturer, we accept orders starting from a single machine. We can also deliver complete drying production lines with auxiliary equipment such as hot air furnaces and dust collectors. Contact us for tailored pricing.
Standard models are usually delivered within 25-40 days after the deposit. Customized machines or larger production lines may take longer depending on the configuration. The exact schedule is confirmed in your contract.
Yes. Every dryer is engineered around your material, capacity, moisture and site layout. Heat source, material of construction, dust collection and automation level can all be customized to your process.
Yes. We provide installation guidance, commissioning, operator training and lifetime after-sales support. Our engineers can also travel to your site, and all equipment comes with a warranty.








