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Help CenterAutomatic Rotary Dryer for Sand Drying Production Line
Product Spotlights
2.Low damage to root systems
3.Adjustable screen aperture
4.Large continuous processing capacity
5.Anti-clogging rotary design
6.Durable wear-resistant steel
7.Easy to clean and maintain
8.Stable low-noise operation
9.Compact space-saving structure
10.Wide adaptability for various soils
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The Automatic Rotary Dryer for Sand Drying Production Line is a fully automated drying unit specially matched with integrated sand processing lines, suitable for continuous drying of quartz sand, manufactured sand, river sand and construction sand. Washed wet sand often has unstable moisture content and tends to agglomerate, which may cause fluctuations in product quality if relying on manual adjustment of drying parameters. This automatic rotary dryer is equipped with automatic feeding detection, temperature and flow monitoring modules, wear-resistant rotary cylinder and optimized material lifting structure. It can automatically track the humidity of incoming sand and adjust operating parameters in real time to achieve stable and consistent dehydration. The whole machine can be linked with upstream washing and downstream screening equipment to realize unmanned continuous operation of the whole sand production line. It is an ideal supporting drying equipment for new or upgraded automated sand plants.
2. Working Principle
This automatic sand rotary dryer adopts countercurrent gradient heat exchange and automatic adaptive dehydration principle. Wet sand is continuously conveyed into the rotary cylinder through the automatic feeding system with real-time humidity detection sensors. The upgraded wear-resistant lifting plates lift and scatter the sand repeatedly to break agglomerates and form an even material curtain, which enables sufficient contact between sand particles and circulating hot air. The multi-stage countercurrent hot air conducts progressive heat exchange to evaporate moisture gently without damaging sand grains. The automatic PLC control system collects real-time data of sand humidity, cylinder temperature and air volume, and automatically modulates feeding rate, heating power and air flow to keep the outlet moisture within the preset range. Water vapor and fine dust are captured by the sealed negative pressure dust recovery system to reduce material loss. After continuous drying, qualified dry sand is discharged steadily to cooperate with subsequent processes of the sand production line.
3. Core Features
Full automatic control system, real-time monitoring and self-adjustment according to sand moisture changes.
Seamless linkage with upstream and downstream equipment of the sand production line for continuous unmanned operation.
Optimized anti-blocking lifting structure, effectively preventing sand caking and uneven drying.
Low-temperature gradient drying technology, low sand breakage rate and stable finished sand quality.
High-efficiency heat exchange design, good energy-saving performance and low running cost.
Fully sealed negative-pressure dust recovery, low fine sand loss and environmental-friendly operation.
Stable long-cycle operation, easy maintenance and suitable for automated large-scale sand production.
4.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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