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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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1. Product Description
The Energy Efficient Quartz Sand Rotary Dryer Machine is a newly upgraded energy-saving drying equipment developed for wet quartz sand and silica sand processing lines, solving the high energy consumption pain points of traditional drying equipment in long-term plant operation. Conventional quartz sand dryers feature serious heat dissipation, low thermal energy conversion rate and invalid power loss, resulting in high production costs and poor economic benefits for sand processing plants. Combined with the physical properties of wet quartz sand such as high moisture absorption, easy agglomeration and strong abrasion resistance, this energy-saving rotary dryer adopts fully sealed thermal insulation structure, circulating waste heat recovery system, low-resistance uniform material flipping design and intelligent frequency conversion control technology. It realizes low-loss and high-precision dehydration of wet quartz sand, thoroughly removing surface free moisture and deep adsorbed residual moisture while maintaining complete sand grain morphology and stable purity. The equipment effectively avoids uneven drying and secondary pollution, ensures uniform finished sand dryness and consistent batch quality, and greatly reduces unit heat consumption and power consumption. With stable long-cycle operation and outstanding energy-saving performance, it is the ideal energy-saving and consumption-reducing core equipment for modern standardized quartz sand processing plants.
2. Working Principle
This energy-efficient quartz sand rotary dryer adopts closed waste heat circulating recovery drying and low-resistance balanced dehydration working principle, focusing on energy saving, stable operation and high-quality drying. Bulk high-moisture wet quartz sand is continuously and quantitatively fed into the fully insulated rotary drum through a stable feeding system. The optimized low-resistance wear-resistant lifting structure performs gentle flipping, dispersion and uniform cascading on wet sand materials with minimum power consumption, fully breaking up agglomerated wet sand clusters and forming a dense and uniform material curtain inside the drum. This structure maximizes effective heat exchange area and improves thermal utilization efficiency. The upgraded multi-stage gradient countercurrent hot air circulation system fully recycles and reuses waste heat generated during operation, conducting progressive balanced heat exchange with quartz sand particles and steadily evaporating residual moisture in a safe low-temperature range. The mild low-temperature drying process protects the integrity of quartz sand grains, avoids particle breakage and quality attenuation, and maintains high purity of finished sand. The intelligent PLC frequency conversion linkage system dynamically adjusts hot air temperature, air volume and drum operating frequency according to real-time material humidity and production load, automatically matching optimal operating parameters to eliminate invalid energy waste. Water vapor and fine sand dust generated during production are fully recycled through a sealed negative-pressure dust recovery system to reduce material loss and realize clean and low-consumption production. After continuous low-loss cyclic drying treatment, low-moisture, loose and high-uniformity quartz sand is stably discharged, meeting the long-term high-efficiency and energy-saving production requirements of quartz sand deep processing lines.
3. Core Features
1. Full-body sealed thermal insulation structure, effectively reducing heat dissipation and improving overall thermal utilization rate.
2. Advanced circulating waste heat recovery system, reusing residual heat and significantly lowering comprehensive energy consumption.
3. Optimized low-resistance material flipping design, reducing operating load and minimizing power loss during operation.
4. Intelligent frequency conversion linkage control, adaptive parameter matching to avoid ineffective energy consumption.
5. Low-temperature gradient mild drying technology, ensuring complete grain shape and stable quartz sand purity.
6. Fully sealed negative-pressure dust recovery system, reducing fine sand loss and improving resource utilization rate.
7. Reliable energy-saving operation performance, perfectly suitable for long-cycle continuous production of quartz sand plants.
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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