01Drying & Cooling Equipment

High-Efficiency Rotary Drum Dryer

Continuous rotary drum drying for clay, slag, limestone and other bulk materials, with drum size and process configuration selected for the required moisture reduction.

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Rotary DryerRotating drum equipment for continuous moisture reduction.

Specification RangeΦ1.5 × 12–Φ4 × 32 m

Listed Capacity5–35 t/h

Drum Drive Power10–185 kW

Flow ArrangementCo-current / Countercurrent

OperationContinuous

Product overview

Bulk material drying through controlled gas contact

The rotary dryer consists of a rotating drum, internal lifting flights, a transmission system and supporting assemblies. As the drum rotates, the flights lift and cascade the material through the hot gas stream, promoting heat transfer and moisture evaporation. The inclined drum carries material toward the discharge end for continuous processing.

Drying System ConfigurationDrum arrangement and process interfaces matched to the material and plant layout.

01 / Heat TransferLifting flights distribute material through the gas stream

Internal flights lift and release the material as the drum rotates, increasing contact with the drying gas. Flight configuration can be selected for different material characteristics.

02 / Process ArrangementCo-current and countercurrent configurations

The published range includes both gas flow arrangements. Selection depends on the material and thermal requirements; each listed model has a defined configuration.

03 / Continuous HandlingInclined drum with coordinated rotation

Drum slope and rotational speed work with the internal flight arrangement to move material through the dryer while maintaining contact with the hot gas.

04 / Equipment SelectionConfiguration based on the moisture removal duty

Drum size, drive matching and installation layout are selected around feed properties, moisture reduction and required throughput. Custom configurations are available for project-specific requirements.

Technical Configuration

Selection data, presented clearly.

The published range includes six specifications. Capacity and final moisture figures are associated with the listed feed conditions and must be confirmed for the intended material. Drive power refers to the drum motor, not total drying system energy consumption.

Drum SpecificationsΦ1.5 × 12 / Φ2.2 × 12 / Φ2.2 × 14 / Φ2.4 × 18.35 / Φ3 × 25 / Φ4 × 32 mInternal drum diameter × length.

Listed Capacity5–35 t/hModel ratings: 5–10, 8–12, 10–15, 15–20, 24 and 35 t/h, respectively, in the specification order above.

Initial Moisture20–30%, 20% or 40%The first four specifications list 20–30%; Φ3 × 25 m lists 20%; Φ4 × 32 m lists 40%.

Final Moisture1%, 2% or <3%The first four specifications list 1%; Φ3 × 25 m lists 2%; Φ4 × 32 m lists <3%. Results depend on the material and operating conditions.

Gas Flow ArrangementCo-current / CountercurrentΦ3 × 25 m is listed as countercurrent; the other five specifications are co-current.

Drum Slope3% or 5%The first three specifications use 5%; the remaining three use 3%.

Drum Rotating Speed3.74–5 r/minOperating speed is specified by model.

Drum Drive Power10–185 kWListed motor ratings: 10, 18.5, 18.5, 55, 75 and 185 kW, respectively.

Maximum Inlet Gas Temperature800°CPublished equipment reference; the operating temperature must be selected for the feed material and process.

Exhaust Gas Temperature100–200°CΦ2.4 × 18.35 m and Φ3 × 25 m list 120°C; the other models list 100–200°C.

Reference range only. Final configuration is confirmed according to material characteristics, process requirements and operating conditions.View Complete Technical Data

Applications

Application contexts.

Rotary dryers are used to reduce moisture in bulk materials before subsequent processing or handling. Material properties determine the suitable drying conditions and equipment arrangement.

01Cement & Building MaterialsDrying clay, limestone and other raw materials before downstream preparation and processing.
02Metallurgy & Mineral ProcessingMoisture reduction in slag and mineral materials, with configuration selected for feed characteristics and required output.
03Chemical Material PreparationDrying suitable bulk process materials to a specified moisture level, subject to their thermal and handling requirements.

ROTARY DRYER

Define your drying requirements

Share the material, feed rate, initial moisture, target moisture and available heat source to discuss dryer sizing and configuration.

Rotary Dryer Technical Data Request Model-specific Specifications