Single Drum Rotary Dryer
Capacity: 20-100t/h
Heat Source：Suitable for biomass, natural gas, diesel, coal, etc
Raw materials:Tongding single rotary dryer perfectly dries coal slime, sludge, steel slag, long fiber materials that triple pass dryers cannot handle.
Service: Factory direct sales with overseas engineer technical support.
Industrial Applications of Single Rotary Dryer
The single rotary dryer (long cylinder dryer) is a heavy-duty industrial drying machine exclusive for harsh and high-difficulty drying scenarios. Different from triple pass dryers only suitable for clean fine sand, this long straight-tube dryer specializes in viscous, large lump and fibrous materials, widely applied in mining, coal, metallurgy and environmental protection industries. It covers multiple professional drying equipment scenarios, including coal slime dryer, flotation lignite slime dryer, filter press sludge dryer, electroplating/paper oil sludge dryer and wet clay dryer, meeting diverse industrial production needs.
Working Principle
The single-drum dryer is a concurrent-flow drying system composed of a hot-blast stove, belt feeder, rotary drum, belt discharge conveyor, induced draft fan, cyclone dust collector, baghouse dust collector (or wet scrubber), and an operation control system. Its working principle is as follows:
1. In the feed zone, the coal undergoes rapid heat exchange with high-temperature hot air, causing moisture to begin evaporating; the material is then guided by high-angle feed plates into the main processing zone.
2. In the lifting zone, the coal forms a "curtain" of material that makes full contact with the hot air; moisture rapidly evaporates into steam and is extracted by the induced draft fan, thereby drying the coal. In this zone, the coal remains in a loose state, and its moisture content drops to 15% (or lower). After the heat exchange process, the material reaches the target moisture level and is discharged.
3. The discharge zone contains no lifting plates; instead, the material rolls and slides toward the discharge outlet, completing the drying process. The equipment can be customized according to customer requirements.
Advantages of Single-Drum Dryers
1.The core advantage that distinguishes single rotary dryer from triple pass dryer. Triple pass dryers have narrow nested channels, easily blocked by sticky, lump and fibrous materials, while the straight-through large cylinder design avoids all blockage risks.
2.For high-viscosity wet materials, it stably handles silt ore slurry dryer materials, various slime and oil sludge that cannot be dried by triple pass equipment. For large industrial waste materials, it serves as a professional large limestone dryer, steel slag dryer and blast furnace slag dryer, supporting lump materials over 50mm with no jamming.
3.In addition, it perfectly adapts to long-fiber materials, including wet wood chip dryer, straw dryer, bagasse dryer, medicine residue dryer and bark long fiber dryer, solving the winding and blockage problems of triple pass dryers.
Specifications
| Model | Capacity | Initial Moisture | Final Moisture | Motor Power |
| φ2.5×22 | 20–35 T/H | 10–26% | 1% | 37 KW |
| φ3×20 | 30–40 T/H | 10–26% | 1% | 55KW |
| φ3.2×32 | 40–50 T/H | 10–26% | 1% | 90 KW |
| φ3.6×36 | 50–70 T/H | 10–26% | 1% | 110 KW |
| φ4×40 | 70–100 T/H | 10–26% | 1% | 160 KW |
Tongding Service And Support
1.Provide customized solution design for global customers, according to raw materials, capacity, local climate and site layout.
2.Supply full set of sand drying equipment with standard export packaging, safe sea/land transportation and smooth customs clearance support.
3.Arrange professional engineers for overseas on-site installation, commissioning and operation training to ensure quick production.
4.Offer complete multilingual documents including English operation manuals, electrical drawings and video tutorials.
5.Support 24/7 remote technical support worldwide for fast troubleshooting and production guidance.
6.Supply original spare parts with global delivery service to reduce equipment downtime.
7.Provide long-term after-sales maintenance, regular follow-up and equipment upgrading services for global clients.
8.Serve customers all over the world with consistent high-quality service.
Inquiry
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