Mรกquina de secagem rotativa
Produtos
โโIndustrial Rotary Dryer Manufacturer โ Custom Solutions for Mining, Biomass & More
Application: Mining & Metallurgy, Energy & Fuel, Environmental & Waste Management,
Capacity Range: 1-100t/h
Efficiency
Struggling with high drying costs or low efficiency?
โCommon Problem
- “Moisture content > 15% slowing production?”
- “Frequent dryer breakdowns?”
- “Energy costs eating your profits?”
โ Our Solutions
- Precision heat control – Achieve <5% moisture output
- Heavy duty steel drum – 50% longer lifespan than competitors
- Smart heat recovery – Save up to $50,000/year on energy
Aplicativo
Trusted rotary dryers for Global Industries
Our rotary dryers are purpose-built for โโheavy industrial applicationsโโ, delivering precision drying across mining, construction, energy, and environmental sectors. Below is a breakdown of key scenarios and the optimal dryer types for each:
1. Mining & Mineral Processingโ
Applicationsโโ:
- โโBulk Ore Dryingโโ (iron ore, copper concentrate, nickel slag)
- Dryer Type: โโRotary Drum Dryerโโ or โโThree Pass Rotary Dryerโโ
- Key Features: High throughput (up to 200 TPH), abrasion-resistant lining, moisture reduction to โค5%.
- โโFine Powder Dryingโโ (zinc dust, ore powder)
- Dryer Type: โโOre Powder Dryerโโ
- Key Features: Sealed chamber to prevent dust loss, inert gas compatibility for oxidation-sensitive materials.
2. Construction & Building Materialsโโ
Applicationsโโ:
- Sand Drying for Concrete/Asphaltโโ (riversand, silica sand)
- Dryer Type: โโRiversand Dryerโโ or โโSand Dryerโโโ
- Key Features: Integrated dust collection, โค3% residual moisture for optimal mix quality.
- Cement Raw Material Pre-Dryingโโ (limestone, gypsum)
- Dryer Type: โโCement Dryerโโ
- Key Features: Waste heat recovery from kilns, hardened steel flights for abrasive materials.
3. Energy Production & Fuel Processingโโ
Applicationsโโ:
- โโCoal Moisture Reductionโโ (bituminous coal, lignite, coal slime)
- Dryer Type: โโCoal Dryerโโ or โโCoal Slime Dryerโโ
- Key Features: Explosion-proof design, 15-20% increase in calorific value.
- โโFly Ash Recyclingโโ (from coal-fired plants)
- Dryer Type: โโFly Ash Dryerโโโ
- Key Features: Anti-abrasive liners, transforms ash into concrete additive.
4. Metalworking & Foundryโโ
Applicationsโโ:
- โโFoundry Sand Reclamationโโ (used casting sand)
- Dryer Type: โโSand Dryerโโ
- Key Features: Fast drying cycle (20-30 mins), uniform heat distribution for mold reuse.
- โโMetal Slag Recyclingโโ (iron slag, steel slag)
- Dryer Type: Ore Slag Dryerโโ
- Key Features: Reduces slag moisture from 25% to <5% for easier pelletizing.
5. Environmental & Waste Managementโโ
Applicationsโโ:
- โโMunicipal/Industrial Sludge Treatmentโโ (non-hazardous)
- Dryer Type: โโSludge Dryerโโ
- Key Features: 60-70% volume reduction, odor control via closed-loop gas systems.
- โโBentonite Drying for Landfill Liners
- Dryer Type: โโBentonite Dryerโโโ
- Key Features: Preserves swelling capacity, ยฑ0.5% moisture consistency.
6. Advanced Material Productionโ
Applicationsโโ:
- โโHigh-Purity Quartz Sand for Solar Panels
- Dryer Type: โQuartz Sand Dryerโโโ
- Key Features: Contamination-free drying, โค1% moisture for glass manufacturing.
- โโThermal Power Plant Byproduct Processing
- Dryer Type: โโThree Drum Rotary Dryerโโ
- Key Features: Triple-pass design for 30% higher thermal efficiency.
How to Choose the Right Dryer?โ
| โโScenarioโ | โโMaterial Challengesโ | โโRecommended Dryerโ |
| High-moisture bulk solids | Sticky, abrasive, slow drying | Rotary Drum Dryer |
| Space-constrained facilities | Limited floor area | Three Drum Rotary Dryer |
| Energy cost reduction | High fuel consumption | Three Pass Rotary Dryer |
| Hazardous environments | Explosive dust risks | Coal Dryer (ATEX-certified) |
Why Our Dryers Excel in These Applications?โ
- โโMaterial-Specific Engineeringโโ:
- Flight designs adjusted for slag (heavy-duty) vs. sand (gentle cascading).
- โโDurabilityโโ:
- 12mm steel plating for mining vs. 8mm for general industrial use.
- โโCompliance & Safetyโโ:
- ATEX compliance for coal, dust explosion suppression systems.
- โโGlobal Supportโโ:
- 24/7 multilingual technical team for troubleshooting.
Tipos de produtos
Principais equipamentos de secagem rotativa ร venda na HengXing Machinery
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Modelos para venda
Produtos detalhados
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Structure
Hengxing Rotary Dryer Structure
The rotary dryer is a robust industrial drying system designed for efficient heat transfer and material handling. Based on the provided diagram, hereโs a detailed breakdown of its structure and operational workflow:
1. Feeding Systemโ
- โโBelt Conveyor (Inlet)โโ: Transports raw materials (e.g., wet sand, coal, or slag) to the hopper.
- โโHopperโโ: Temporarily stores materials before controlled release into the dryer.
- โโFeederโโ: Regulates the flow rate of materials into the drying drum to prevent overload.
โโ2. Drying Drumโโ
- โโDrying Drumโโ: A rotating cylindrical chamber (typically inclined at 1-5ยฐ) where materials are dried.
- โโMaterial Movementโโ: The drumโs rotation and internal flights cascade materials, exposing them evenly to heat.
- โโDispersion Deviceโโ: Breaks up clumps of material to ensure uniform drying and prevent blockages.
โโ3. Heat Supply Systemโโ
- โโHeat Sourceโโ: Generates hot air or gas (via combustion, electric heaters, or steam).
- โโHeat Flowโโ: Hot air enters the drum co-currently or counter-currently to the material flow.
- โโTemperature Controlโโ: Adjustable settings (100โ800ยฐC) based on material sensitivity.
โโ4. Airflow & Exhaust Systemโโ
- โโInduced Draft Fanโโ: Creates negative pressure to pull hot air through the drum, enhancing heat transfer.
- โโCyclone Unloaderโโ: Separates dried particles from exhaust gases, minimizing product loss and dust emissions.
โโ5. Discharge Systemโโ
- โโBelt Conveyor (Outlet)โโ: Transports dried materials to storage or downstream processes.
- โโMoisture Monitoringโโ: Optional sensors at the outlet ensure final moisture meets specifications (e.g., โค5%).
โโWorkflow Summaryโโ
- โโMaterial Entryโโ: Wet material โ Belt conveyor โ Hopper โ Feeder โ Drying drum.
- โโDrying Phaseโโ: Material + hot air โ Cascading motion in drum โ Moisture evaporation.
- โโExhaust & Separationโโ: Humid air โ Cyclone unloader โ Clean discharge.
- โโProduct Outputโโ: Dried material โ Outlet conveyor โ Packaging/processing.
โโStructural Advantagesโโ
- โโModular Designโโ: Components like the feeder and cyclone can be customized for specific materials.
- โโDurabilityโโ: Thick steel drum (8-15mm) with abrasion-resistant liners for harsh environments.
- โโEnergy Efficiencyโโ: Heat recovery systems reuse exhaust heat, cutting fuel costs by up to 25%.
This structure ensures reliable, high-capacity drying for bulk solids in mining, construction, and energy industries.
Usage
Usages of Each Rotary Dryer
Our rotary drying systems are engineered for heavy-duty industrial applications, specifically designed to handle โโnon-chemical, non-agricultural materialsโโ across mining, construction, energy, and environmental sectors. Below is a detailed breakdown of our product range and their specialized uses:
โโApplications of Our Industrial Rotary Dryersโโ
Our rotary drying systems are engineered for heavy-duty industrial applications, specifically designed to handle โโnon-chemical, non-agricultural materialsโโ across mining, construction, energy, and environmental sectors. Below is a detailed breakdown of our product range and their specialized uses:
โโ1. Rotary Drum Dryerโโ
โโMaterialsโโ: Riversand, ore slag, coal slime, bentonite, fly ash, quartz sand.
โโIndustriesโโ: Mining, construction materials, power plants.
โโKey Advantagesโโ:
- High-capacity drying (up to 200 TPH) for bulk materials.
- Robust stainless steel drum resistant to abrasion and high temperatures.
- Adjustable rotational speed for precise moisture control (โค3% final moisture).
โโ2. Riversand Dryerโโ
โโMaterialsโโ: Silica sand, river sand, artificial sand.
โโIndustriesโโ: Construction, glass manufacturing, foundry.
โโKey Advantagesโโ:
- Eliminates up to 15% moisture for sand used in concrete and asphalt.
- Integrated dust filtration system meets environmental emission standards.
- Low fuel consumption with co-current airflow design.
โโ3. Ore Slag Dryerโโ
โโMaterialsโโ: Iron slag, copper slag, nickel slag.
โโIndustriesโโ: Metallurgy, metal recycling.
โโKey Advantagesโโ:
- Reduces slag moisture from 25% to <5% for easier storage and transport.
- Customizable drum length (10-30m) to fit high-volume slag processing.
- Heat-resistant liners extend equipment lifespan in high-temperature environments.
โโ4. Sludge Dryerโโ
โโMaterialsโโ: Municipal sludge, industrial sludge (non-hazardous).
โโIndustriesโโ: Wastewater treatment, pulp/paper mills.
โโKey Advantagesโโ:
- Reduces sludge volume by 60-70% through 80-90% moisture removal.
- Anti-clogging flights ensure continuous operation with sticky materials.
- Odor control via closed-loop gas recirculation.
โโ5. Coal Dryerโโ
โโMaterialsโโ: Bituminous coal, lignite, coal slime.
โโIndustriesโโ: Coal-fired power plants, coal washing facilities.
โโKey Advantagesโโ:
- Increases coal calorific value by 15-20% through moisture reduction.
- Explosion-proof design with oxygen level monitoring for safety.
- Handles particle sizes from 0-50mm without clogging.
โโ6. Three Drum Rotary Dryerโโ
โโMaterialsโโ: Quartz sand, ore powder, fly ash.
โโIndustriesโโ: Mining, ceramics, refractory materials.
โโKey Advantagesโโ:
- Triple-pass design increases thermal efficiency by 30% vs. single drum.
- Compact footprint ideal for space-constrained facilities.
- Automatic temperature control (ยฑ5ยฐC accuracy).
โโ7. Three Pass Rotary Dryerโโ
โโMaterialsโโ: Bentonite, fly ash, riversand.
โโIndustriesโโ: Foundry, construction, thermal power.
โโKey Advantagesโโ:
- Three-stage drying (drying โ cooling โ stabilization) in one unit.
- Reduces energy consumption by 25% with counter-current heat exchange.
- Modular design for easy maintenance.
โโ8. Cement Dryerโโ
โโMaterialsโโ: Cement raw meal, limestone, gypsum.
โโIndustriesโโ: Cement manufacturing.
โโKey Advantagesโโ:
- Pre-dries materials to optimize kiln efficiency.
- Handles abrasive materials with hardened steel flights.
- Compatible with waste heat recovery from kiln exhaust gases.
โโ9. Quartz Sand Dryerโโ
โโMaterialsโโ: High-purity quartz sand, silica sand.
โโIndustriesโโ: Solar panel glass, semiconductor manufacturing.
โโKey Advantagesโโ:
- Maintains sand purity with contamination-free drying process.
- Achieves ultra-low moisture (<1%) for critical industrial uses.
- FDA-compliant materials (optional) for non-food contact applications.
โโ10. Coal Slime Dryerโโ
โโMaterialsโโ: Coal slime, tailings.
โโIndustriesโโ: Coal preparation plants, energy.
โโKey Advantagesโโ:
- Converts high-moisture slime (25-35%) into usable fuel (moisture โค12%).
- Anti-corrosion coating for acidic slurry environments.
- Reduces landfill costs by 50% through waste-to-energy conversion.
โโ11. Bentonite Dryerโโ
โโMaterialsโโ: Bentonite clay, montmorillonite.
โโIndustriesโโ: Foundry (molding sand), pet litter, drilling fluids.
โโKey Advantagesโโ:
- Gentle drying to preserve bentoniteโs swelling properties.
- Handles sticky materials with specialized flight designs.
- Moisture uniformity (ยฑ0.5%) across batches.
โโ12. Ore Powder Dryerโโ
โโMaterialsโโ: Iron ore concentrate, copper powder, zinc dust.
โโIndustriesโโ: Mining, steel production.
โโKey Advantagesโโ:
- Prevents material loss with sealed drying chamber.
- Reduces oxidation risk through inert gas drying (optional).
- Processes fine powders (50-500 microns) without dust leakage.
โโ13. Fly Ash Dryerโโ
โโMaterialsโโ: Fly ash, bottom ash.
โโIndustriesโโ: Thermal power plants, cement blending.
โโKey Advantagesโโ:
- Transforms waste ash into saleable material for concrete additives.
- Handles abrasive ash with replaceable wear plates.
- Reduces landfill fees and carbon footprint.
โโ14. Sand Dryerโโ
โโMaterialsโโ: Foundry sand, construction sand.
โโIndustriesโโ: Metal casting, building materials.
โโKey Advantagesโโ:
- Fast drying cycle (20-30 minutes) for high-throughput operations.
- Uniform drying for consistent sand quality in mold-making.
- Fuel flexibility: gas, diesel, or biomass (external combustion).
โโTechnical Highlights Across All Dryersโโ
- โโNo Cross-Contaminationโโ: Strictly designed for non-food, non-chemical materials.
- โโDurabilityโโ: 10-15mm thick steel plates, 50,000+ hours of operation.
- โโCustomizationโโ: Tailored drum diameters (1.2-4.5m), lengths (8-40m), and heat sources.
- โโComplianceโโ: CE, ISO 9001, and ATEX (upon request) certifications.
Usage
Advantages of Rotary Dryerโ
1. High Thermal Efficiency (70-80%)โ
Rotary dryers primarily rely on โโheat conductionโโ for energy transfer, ensuring consistent thermal direction throughout the operation. Nearly all heat is utilized to evaporate moisture from materials adhering to the drum wall, minimizing losses from end covers or radiation. This optimized heat utilization makes it one of the most energy-efficient industrial drying solutions.
2. โโUnmatched Operational Flexibility & Versatility
The system allows independent adjustment of critical parameters, including:
- Feedstock concentration and material film thickness,
- Heating medium temperature (gas, steam, or electric),
- Drum rotation speed.
These variables, which operate without interdependence, enable precise control over drying rates. This adaptability ensures compatibility with diverse materials (e.g., ores, sludge, sand) and meets varying production demands across industries like mining, construction, and waste management.
โโ3. Rapid Drying Cycle (10โ300 Seconds)
โMaterials achieve target moisture levels within seconds, making rotary dryers ideal for โโheat-sensitive substancesโโ. The process can be further accelerated by operating under โโvacuum conditionsโโ, reducing pressure to lower boiling points and prevent thermal degradation.
4. โโRobust Design for Industrial Demands
- Components like the โโdispersion deviceโโ ensure uniform material distribution, preventing clumping.
- โโBelt conveyorsโโ and โโcyclone unloadersโโ streamline continuous feeding and discharge, minimizing downtime.
- The โโheat supply unitโโ and โโinduced draft fanโโ maintain optimal temperature and airflow for consistent results.
5. โโScalable & Low-Maintenance
โFrom compact units for small-batch processing to large-scale systems handling 200+ TPH, rotary dryers are engineered for reliability with minimal maintenance requirements.
Caracterรญsticas
Nรณs nos concentramos nos detalhes do produto e garantimos a qualidade
01
Sistema de isolamento robusto
Nosso equipamento de secagem rotativa incorpora um design de isolamento avanรงado que minimiza a perda de calor, aumentando a eficiรชncia energรฉtica e garantindo um desempenho de secagem consistente em vรกrios materiais durante o processo de secagem.
02
Funcionalidade de inclinaรงรฃo ajustรกvel
Com รขngulos de inclinaรงรฃo ajustรกveis, nosso secador rotativo otimiza o fluxo do material e a exposiรงรฃo ao calor, permitindo tempos de secagem personalizados e melhor eficiรชncia de remoรงรฃo de umidade com base nas propriedades especรญficas do material.
03
Coleta de pรณ integrada
Equipado com um inovador sistema de coleta de pรณ, nosso secador rotativo nรฃo apenas melhora a qualidade do ar, mas tambรฉm recicla material valioso, reduzindo o desperdรญcio e aumentando a eficiรชncia operacional geral durante o processo de secagem.
Technical Parameter
Specifications
| Model ๏ผm๏ผ ๏ผdiaรlength ๏ผ | Shell volume ๏ผmยณ๏ผ | capacity ๏ผt/h๏ผ | Installation slope ๏ผ%๏ผ | Max air temperature ๏ผโ๏ผ | motor ๏ผkw๏ผ | Peso total ๏ผt๏ผ |
| ฮฆ1.2ร8.0 | 9.0 | 1.9-2.4 | 3-5 | 700-800 | 7.5 | 9 |
| ฮฆ1.2ร10 | 11.3 | 2.4-3.0 | 3-5 | 700-800 | 7.5 | 11 |
| ฮฆ1.5ร12 | 21.2 | 4.5-5.7 | 3-5 | 700-800 | 15 | 18.5 |
| ฮฆ1.5ร14 | 24.7 | 5.3-6.6 | 3-5 | 700-800 | 15 | 19.7 |
| ฮฆ1.5ร15 | 26.5 | 5.7-7.1 | 3-5 | 700-800 | 15 | 20.5 |
| ฮฆ1.8ร12 | 30.5 | 6.5-8.1 | 3-5 | 700-800 | 18.5 | 21.5 |
| ฮฆ1.8ร14 | 35.6 | 7.6-9.5 | 3-5 | 700-800 | 18.5 | 23 |
| ฮฆ2.2ร12 | 45.6 | 9.7-12.2 | 3-5 | 700-800 | 22 | 33.5 |
| ฮฆ2.2ร14 | 53.2 | 11.4-14.2 | 3-5 | 700-800 | 22 | 36 |
| ฮฆ2.2ร16 | 60.8 | 13.0-16.2 | 3-5 | 700-800 | 22 | 38 |
| ฮฆ2.4ร14 | 63.3 | 13.5-16.9 | 3-5 | 700-800 | 37 | 45 |
| ฮฆ2.4ร18 | 81.4 | 17.4-21.7 | 3-5 | 700-800 | 37 | 49 |
| ฮฆ2.4ร20 | 90.4 | 19.3-24.1 | 3-5 | 700-800 | 45 | 54 |
| ฮฆ2.4ร22 | 99.5 | 21.2-26.5 | 3-5 | 700-800 | 45 | 58 |
| ฮฆ2.6ร24 | 127.4 | 27.2-34.0 | 3-5 | 700-800 | 55 | 73 |
| ฮฆ3.0ร20 | 141.3 | 30.1-37.7 | 3-5 | 700-800 | 75 | 85 |
| ฮฆ3.0ร25 | 176.6 | 37.7-47.1 | 3-5 | 700-800 | 75 | 95 |
| ฮฆ3.2ร25 | 201 | 42.9-53.6 | 3-5 | 700-800 | 90 | 110 |
| ฮฆ3.6ร28 | 285 | 60.8-76.0 | 3-5 | 700-800 | 160 | 135 |
Casos Exportados
Casos exportados para todo o mundo
O que as pessoas dizem sobre nรณs
Estamos extremamente satisfeitos com nosso equipamento de secagem rotativa! Sua eficiรชncia na reduรงรฃo de umidade melhorou significativamente a qualidade do nosso produto e as taxas de produรงรฃo. A construรงรฃo durรกvel e o desempenho confiรกvel fazem dele um investimento fantรกstico para nossas operaรงรตes. Altamente recomendado!
Birita Jean Claude / De Ruanda
