A:
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 Bentonite Rotary Dryer
The mined bentonite is usually with a moisture content between 25 and 35% and required to be dried to 5% to 12% for further use. Bentonite dryers system of our company mainly consists of a heating machine, conveyor, feeding part, cylinder dryer, discharging part, and dust collector, etc. It is specially designed to dry the wet bentonite to the dried bentonite with moisture content less than 7%. Different types of lifting devices, cleaning devices, and crushing devices that specially designed inside the drum dryer can solve the problem of walls sticking. And after drying, the particle size can be controlled below 8mm. It is widely used in building materials, metallurgy, chemical, and cement industries to dry bentonite materials.
Calcium bentonite
Sodium bentonite
Potassium bentonite
Kaolin
Bentonite clay
Ball clay
Fire clay
Fuller's earth (Input moisture: 40-50%, final Moisture: 10%)
Advantages of Bentonite Rotary Dryer
01
Large Capacity, Low Cost
Large processing capacity with low fuel consumption and low drying cost.
02
High-Temperature Resistance
High-temperature-resistant design allows high-temperature hot air to dry materials quickly.
03
Automated Control
Computer automatic control enables remote operation, with drying temperature and time configured to suit the bentonite.
04
Self-Aligning Support
A self-aligning tugboat structure keeps the tug and rolling ring well matched, greatly reducing wear and power consumption.
05
Multiple Heat Sources
A specially designed block wheel greatly reduces horizontal thrust, and diesel, natural gas, rice husk and other heat sources are available.
06
Low Investment & Fast ROI
Low equipment investment and operating cost with quick return on investment.
Working Principle of Bentonite Rotary Dryer
Firstly, wet material is crushed by the crushing machine, then transported to the rotary drum dryer by the belt conveyor. Because of the inclination of drum dryer, material with hot air moves to the end of dryer body, during which process wet material gets fully contact with the hot air. After drying, most of the dry material is discharged through the belt conveyor. The left materials mixed with dust continue go into the cyclone dust collector and the bag dust collector in sequence, where the dust will be collected. Lastly, with the function of induced draft fan, the left material will discharged through the conveyor.
Specifications of Bentonite Rotary Dryer
| Model | Capacity(TPH) | Length (m) | Diameter (m) | Temperature（℃） | Motor Power（kw） |
| DD1208 | 1.9-2.4 | 8 | 1.2 | 600-750 | 7.5 |
| DD1210 | 2.4-3.0 | 10 | 1.2 | 600-750 | 7.5 |
| DD1612 | 4.5-5.7 | 12 | 1.6 | 600-750 | 15 |
| DD1812 | 6.5-8.1 | 12 | 1.8 | 600-750 | 18.5 |
| DD2212 | 9.7-12.2 | 12 | 2.2 | 600-750 | 22 |
| DD2418 | 17.4-21.7 | 18 | 2.4 | 600-750 | 37 |
| DD2420 | 19.3-24.1 | 20 | 2.4 | 600-750 | 45 |
| DD2624 | 27.2-34.0 | 24 | 2.6 | 600-750 | 55 |
| DD3020 | 30.1-37.7 | 20 | 3.0 | 600-750 | 75 |
| DD3225 | 42.9-53.6 | 25 | 3.2 | 600-750 | 90 |
| DD3628 | 60.8-76.0 | 28 | 3.6 | 600-750 | 160 |
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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- 600+
- Projects Worldwide
With drying projects running across the globe, Dongding has earned long-term trust through reliable quality and responsive after-sales service.
Frequently Asked Questions
Common questions about our rotary dryers — pricing, customization, installation and after-sales.
A:
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.
A:
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.
A:
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.
A:
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.
A:
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.
