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Help CenterHigh Capacity Rotary Dryer for Dolomite and Magnesium Carbonate Processing
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 Dolomite and Magnesium Carbonate Processing is a large-scale high-efficiency industrial drying equipment optimized for mass production of dolomite ore, dolomite powder and magnesium carbonate functional filler materials. Dolomite and magnesium carbonate materials feature high natural moisture, fine particle gradation, strong hygroscopicity and large processing volume. Unstable and excessive moisture in raw ore and finished powder easily causes powder agglomeration, poor fluidity, uneven batching and reduced filling activity, which negatively affects the surface smoothness, whiteness stability and physical strength of downstream products in construction materials, coatings, plastics and rubber industries. Traditional rotary drying equipment suffers from low single-machine throughput, uneven material flipping, low thermal utilization rate and serious fine powder loss, failing to satisfy the large-volume and high-precision drying demands of modern dolomite and magnesium carbonate deep processing lines. This high-capacity dedicated rotary dryer adopts enlarged heavy-duty drum structure, high-efficiency intensive heat exchange system, anti-caking material lifting device and intelligent energy-saving constant temperature control technology. It can thoroughly and uniformly remove surface free moisture and deep interstitial residual moisture from dolomite and magnesium carbonate materials without damaging powder fineness and mineral properties. The equipment effectively improves powder looseness, batch consistency and processing stability while greatly increasing single-line production capacity. Designed for 24-hour continuous full-load operation, it is the ideal core drying equipment for large-scale standardized production of dolomite and magnesium carbonate industrial fillers.
2. Working Principle
This high-capacity dolomite and magnesium carbonate rotary dryer adopts large-flow gradient countercurrent circulating drying and uniform dehydration working principle, specially adapted to bulk mineral powder processing characteristics. High-moisture dolomite ore particles and magnesium carbonate powder materials are continuously and quantitatively fed into the heavy-duty rotary drum through a stable feeding system. The upgraded dense anti-caking lifting structure performs periodic lifting, flipping and uniform cascading on bulk materials, thoroughly breaking up damp agglomerated powder clusters and eliminating internal drying dead zones. A thick, uniform and stable material curtain is formed inside the drying chamber to maximize the full contact area between mineral powder and circulating hot air flow. The high-capacity graded hot air circulation system conducts multi-stage progressive countercurrent heat exchange, gradually evaporating surface moisture and deep residual moisture at a stable temperature range. The gradient drying mode ensures thorough and balanced dehydration for massive materials, maintaining consistent dryness, whiteness and fluidity of finished dolomite and magnesium carbonate powder. The intelligent PLC control system dynamically adjusts hot air temperature, air volume and feeding speed according to material humidity and production load, realizing high-efficiency and low-energy-consumption mass drying. Water vapor and floating fine mineral powder generated during operation are fully recycled through a sealed negative-pressure dust recovery system to reduce material loss and achieve environmentally friendly production. After continuous large-capacity cyclic drying treatment, low-moisture, high-uniformity and high-quality dolomite and magnesium carbonate finished materials are stably discharged, fully meeting the industrial processing standards of various inorganic filler products.
3. Core Features
1. High-capacity heavy-duty structural design, professionally customized for large-scale drying and deep processing of dolomite and magnesium carbonate.
2. Intensive gradient countercurrent drying technology, ensuring uniform and thorough dehydration with stable powder whiteness and fineness.
3. Anti-caking dense lifting structure, effectively solving powder agglomeration and uneven drying of wet mineral materials.
4. Large-flow hot air circulation system, significantly improving single-machine throughput and overall production efficiency.
5. Intelligent adaptive constant temperature control, maintaining stable batch drying quality under long-term full-load operation.
6. Sealed dust recovery configuration, minimizing fine powder loss and improving comprehensive material utilization rate.
7. Wide material adaptability, suitable for mass drying of dolomite ore, fine dolomite powder and magnesium carbonate powder.
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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