Équipement de séchage
Rotary Dryer for Mineral and Industrial Drying
Vanore Mining supplies rotary dryer equipment for mineral, sand and slag processing. The rotating drum, internal lifting flights and drive assembly bring prepared solids into contact with drying gas, forming the drying stage between wet-material handling and downstream storage or processing.
Rotary Drum Equipment for Continuous Drying
A rotary dryer removes moisture from a moving bed of material. As the inclined drum rotates, internal flights raise and release the solids through the gas stream. This motion combines material transport with gas-solid heat transfer along the drum.
Vanore drum assemblies include the shell, lifting internals, riding rings, support rollers and transmission. Feed preparation, the heat source, exhaust handling and product transfer connect to the drum as separate parts of the drying line. Le kiln and dryer range includes equipment for moisture removal and for calcination, with each system designed around its thermal duty.
Rotary Dryer Design and Equipment Gallery
Rotary Dryer Mechanical Features
Lifting flights
Flights lift material from the rolling bed and release it through the drying gas. Their arrangement is matched to material flow, particle behavior and the intended drying duty.
Inclined rotating shell
The drum provides the enclosed drying path. Diameter, longueur, slope and rotational speed work together with the material properties to determine movement through the machine.
Support and transmission
Riding rings and roller stations carry the rotating assembly. The motor and transmission provide drum movement; the listed drive power is separate from burner or heat-source duty.
Alimentation, discharge and gas interfaces
Stationary end connections link the shell to feed handling, product transfer and the exhaust route. These interfaces allow the drum to operate within a defined material and gas circuit.
Drying Applications in Mineral and Building-Material Plants
Sand for dry blending
Sand drying connects washed or naturally moist feed with storage and blending. Where sand washing equipment is upstream, drainage or separate dewatering reduces the water entering the thermal stage. The dried sand can then pass to cooling and storage ahead of dry mortar mixing. The required product moisture belongs to the downstream formulation.
Slag and mineral feed preparation
Prepared slag and suitable mineral solids can be dried before grinding, handling or another moisture-sensitive stage. The drum configuration must suit the feed size, abrasion and thermal behavior. Exhaust solids and dried product follow separate routes, with collection equipment treating the exhaust gas and the drum outlet handling dried product.
Clay-bearing and fine materials
Moist fines and clay-bearing feed behave differently from free-flowing sand. Agglomeration, sticking and dust carryover affect the internal arrangement and gas handling. Vols, gas handling and any upstream feed conditioning are selected for those material characteristics.
Feed Materials and Thermal Duty
Typical duties include prepared sand, scories, clay-bearing solids and mineral powders compatible with direct gas contact. Particle size, densité apparente, inlet moisture, target moisture and heat sensitivity define the process conditions. Combustible, contaminated or solvent-bearing materials require a separate hazard and gas-treatment assessment; they are not interchangeable with ordinary mineral feed.
Rotary Dryer Model Specifications
| Modèle | Drum diameter (mm) | Drum length (mm) | Vitesse de rotation (tr/min) | Drum drive power (kW) |
|---|---|---|---|---|
| 0.8 × 8 | 800 | 8,000 | 1–8 | 4 |
| 1.2 × 11.8 | 1,200 | 11,800 | 1–6 | 7.5 |
| 1.8 × 11.8 | 1,800 | 11,800 | 1–5 | 18.5 |
| 2.2 × 20 | 2,200 | 20,000 | 1–4 | 30 |
| 2.8 × 28 | 2,800 | 28,000 | 1–3 | 75 |
| 3.6 × 36 | 3,600 | 36,000 | 1–3 | 132 |
Model dimensions are diameter × length in metres. The power values describe the drum drive; apport de chaleur, fans and auxiliary equipment are specified separately. Thermal sizing depends on the water to be removed, feed temperature and material characteristics.
Equipment Connections in a Drying Line
| Section | Connexion de l'équipement | Fonction |
|---|---|---|
| Feed preparation | Drainage, sizing and metered delivery | Establish the material condition entering the drum |
| Heat supply | Heat source and drying-gas inlet | Supply the energy for moisture evaporation |
| Drying drum | Rotating shell and internal flights | Bring the solids into contact with the gas stream |
| Exhaust handling | Collection, ducting and extraction equipment | Handle moisture-laden gas and entrained fines |
| Manutention du produit | Discharge transfer, cooling where required, and storage | Move dried material to the next production stage |
Controlled feed equipment supports material delivery, alors que gas-cleaning equipment must suit the exhaust temperature, moisture and dust characteristics. UN triple-pass dryer uses a different drum arrangement and should be evaluated as a separate equipment configuration.
Rotary Dryer FAQ
What is the role of the lifting flights?
Flights raise material from the bed and release it into the drying gas. This exposes more of the moving solids to heat transfer while the drum carries material toward discharge.
How is power planned for a drying line?
The table lists drum drive power. Heat supply, exhaust fans, feeding and other auxiliary equipment are specified separately for the required drying duty.
Can a rotary dryer receive material from a washing line?
Oui, where the material and process are compatible. Drainage or dewatering can precede the drum, followed by thermal drying, product handling and a separate exhaust-treatment route.
What determines the required drying duty?
Nourrir l'humidité, target product moisture, solids throughput, feed temperature and material behavior establish the duty. These inputs guide the drum and thermal-system sizing.
Contacter Vanore Mining
Discuss Your Drying Equipment Requirements
Contact Vanore Mining about your material and drying duty. Our team can review the drum configuration, feed and discharge connections, heat supply and exhaust-handling scope.