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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 Rotary Dryer for Silica Sand Processing is an upgraded energy-saving drying equipment optimized specifically for wet silica sand, quartz sand and river sand processing and dehydration treatment. Traditional silica sand dryers feature high heat dissipation, low thermal conversion rate and high power consumption, resulting in high operating costs for long-term sand production lines. Combined with the physical characteristics of high water absorption, easy agglomeration and strong abrasiveness of wet silica sand, this energy-saving rotary dryer adopts fully insulated sealed structure, circulating waste heat recovery system, low-resistance uniform material flipping design and intelligent frequency conversion control technology. It effectively solves the problems of serious heat loss, uneven drying and high energy consumption of conventional drying equipment. The machine stably and uniformly removes surface free moisture and adsorbed water from wet silica sand through low-loss gradient heat exchange, ensuring stable grain shape, uniform dryness and consistent finished sand quality. While guaranteeing high-standard drying effect and large processing capacity, it greatly reduces unit heat consumption and electricity consumption. Designed for energy conservation and emission reduction in sand processing plants, it is the ideal upgraded drying equipment for modern high-efficiency and low-consumption silica sand production lines.
2. Working Principle
This energy-efficient silica sand rotary dryer adopts closed circulating heat recovery drying and low-resistance uniform dehydration working principle, focusing on energy saving, stable drying and low particle damage. High-moisture wet silica sand is continuously and quantitatively delivered into the fully insulated rotary drum through an energy-saving stable feeding system. The optimized low-resistance wear-resistant lifting structure performs gentle flipping and uniform cascading on silica sand materials with minimum power loss, fully dispersing agglomerated wet sand and forming a stable and dense material curtain inside the drum. This design maximizes effective heat exchange area and improves heat energy utilization efficiency. The upgraded closed circulating hot air system realizes multi-stage gradient countercurrent heat exchange, fully recycling waste heat generated during drying and greatly reducing invalid heat dissipation. The mild low-temperature progressive drying process ensures thorough and balanced dehydration without damaging sand grain shape or causing secondary pollution, maintaining high purity and stable quality of silica sand. The intelligent frequency conversion PLC system automatically adjusts hot air temperature, air volume and operating frequency according to real-time material humidity and production load, realizing adaptive variable-frequency energy-saving operation and eliminating ineffective energy consumption. Water vapor and fine sand dust are fully recycled through a sealed negative-pressure recovery system to reduce material loss and achieve clean and low-consumption production. After low-loss cyclic drying treatment, low-moisture, loose and high-quality silica sand is stably discharged, meeting the long-term high-efficiency and energy-saving production requirements of silica sand processing plants.
3. Core Features
1. Full-body sealed heat preservation structure, effectively reducing heat dissipation loss and improving thermal utilization rate.
2. Advanced circulating waste heat recovery system, significantly lowering comprehensive heat consumption and operating cost.
3. Optimized low-resistance material flipping design, low operating resistance and reduced power consumption.
4. Intelligent frequency conversion energy-saving control, automatic parameter matching to avoid invalid energy loss.
5. Low-temperature gradient drying technology, ensuring complete sand grain shape and stable finished product quality.
6. Fully sealed dust recovery configuration, minimizing fine sand loss and improving resource utilization rate.
7. Stable energy-saving operation performance, perfectly suitable for long-cycle energy-efficient silica sand processing.
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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