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Help CenterHigh Capacity Rotary Dryer for Construction Sand Drying
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 High Capacity Rotary Dryer for Construction Sand Drying is a large-scale industrial drying equipment specially designed for high-volume dehydration treatment of wet construction sand, building sand and manufactured sand in sand and gravel plants. Construction sand usually contains high natural moisture and sticky fine powder after washing and screening, which easily causes material agglomeration, feeding blockage and low drying efficiency in ordinary dryers. Limited single-machine output often becomes the core bottleneck of construction sand production lines, restricting overall plant throughput and batch supply capacity. Traditional drying equipment cannot adapt to long-term full-load mass production, featuring low thermal conversion rate, poor dehydration uniformity and high failure rate, failing to meet the large-volume and fast-drying demands of construction sand engineering projects. This high-capacity construction sand rotary dryer adopts oversized heavy-duty drum structure, high-density intensive heat exchange system, large-area uniform material spreading device and load-adaptive intelligent control module. It can rapidly and evenly remove massive surface free moisture and deep adsorbed moisture from bulk wet construction sand with low particle breakage. While ensuring stable and consistent drying quality, it greatly improves hourly processing capacity and overall production efficiency. Designed for heavy-duty large-batch construction sand production conditions, it supports 24-hour uninterrupted full-load operation and serves as the preferred high-yield drying equipment for modern large-scale building sand processing projects.
2. Working Principle
This high-capacity construction sand rotary dryer adopts large-flow gradient countercurrent circulating drying and low-loss mass dehydration working principle, targeting the large-batch, high-humidity and fine-powder characteristics of wet construction sand. Massive wet building sand materials are continuously and stably delivered into the enlarged heavy-duty rotary drum through a constant-speed quantitative feeding system. The upgraded large-area enhanced lifting and scattering structure performs powerful and gentle flipping, layered dispersion and uniform cascading on bulk wet sand, thoroughly breaking up damp agglomerated sand clusters and eliminating internal drying dead zones and material accumulation. A thick, dense and ultra-uniform material curtain is stably formed inside the drum, maximizing the effective heat exchange area for large-volume sand materials and circulating hot air. The high-throughput graded hot air circulation system conducts multi-stage progressive countercurrent heat exchange, rapidly and evenly evaporating large amounts of surface moisture and deep residual moisture within a safe low-temperature gradient range. The mild large-batch drying mode ensures thorough and balanced dehydration with minimal particle damage, maintaining complete grain shape and stable grading quality of construction sand without secondary pollution. The intelligent PLC dynamic linkage system automatically adjusts hot air temperature, air volume and feeding speed according to real-time material humidity and production load, realizing low-energy and high-yield large-scale drying operation. Water vapor and fine sand dust generated during high-capacity operation are fully recycled through a sealed negative-pressure dust recovery system to reduce material loss and achieve clean mass production. After continuous high-efficiency cyclic drying, low-moisture, loose and uniform high-quality construction sand is stably discharged, fully meeting the high-throughput pretreatment requirements of commercial building sand processing and batch supply projects.
3. Core Features
1. Oversized heavy-duty drum structure, professionally adapted to large-batch continuous drying of wet construction sand.
2. High-density intensive heat exchange system, fast dehydration speed and greatly improved production throughput.
3. Large-area uniform material spreading design, no drying dead zones and consistent batch drying quality.
4. Low-breakage gradient drying technology, ensuring complete grain shape and stable construction sand quality.
5. Dynamic intelligent adaptive control, stable drying indicators under long-term full-load high-yield operation.
6. Fully sealed negative-pressure dust recovery system, minimizing fine sand loss and improving resource utilization rate.
7. Heavy-duty durable performance, supporting 24-hour continuous high-capacity production for sand processing 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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