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Recently Baichy completed a single drum rotary dryer 1.5x15m for Indonsia client. This 1.5x15m rotary dryer is a cylindrical machine used for drying materials by rotating them within a heated chamber. The "1.5x15m" refers to its dimensions: 1.5 meters in diameter and 15 meters in length. Its capacity is 3-5 ton per hour. The rotary drum dryers are commonly employed in various industries to remove moisture from materials like coal, sand, sludge, and other granular substances.

 

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Rotary Dryer Key Components

The core rotating drum dryer—steel-made with heat/corrosion-resistant linings—is inclined (2°–5°) to aid material flow. Support rollers and trunnion rings stabilize rotation, while a drive system (motor, reducer) controls speed (1–5 rpm). Internal lifters cascade materials to maximize contact with hot gas. Feed chutes, discharge hoods, heat sources (burners/exchangers), and exhaust systems (fans, filters) complete the setup.

 

Working Principle​

Wet silica sand materials enter the inclined drum, where rotation and lifters expose them to hot gas (co-current or counter-current flow). Direct heat dryers use gas-material contact (convection) for porous materials. Moisture evaporates into the gas stream, with drum length, speed, and temperature calibrated for target moisture levels.

 

Baichy Rotary Dryer Advantages

1.Sand typically has a high bulk density, meaning it requires sufficient space and agitation to ensure each particle is exposed to heat. Baichy single drum dryer provides enough room for the sand to tumble, with lifters strategically placed on the inner walls to lift and disperse the sand, ensuring no particle is left untouched by the drying medium.​

 

2.Silica sand often comes with variable moisture content, ranging from surface moisture that evaporates easily to bound moisture trapped within the particles. The length 15m of single drum dryer provide enough drying time in the trumbling cylinder. It finishes the job by removing any remaining moisture, resulting in sand with a uniform moisture content, usually between 1–3%—ideal for most applications.​

 

3.The abrasive nature of sand is another challenge. Baichy rotary dryer cylinder is constructed from high-strength steel. This ensures that the constant friction and impact from the sand do not compromise the dryer's performance or longevity, reducing the need for frequent repairs and replacements.

 

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Henan Baichy Machinery Equipment Co., Ltd. is a mining machinery manufacturer integrating R&D, production and sales. Rotary dryer is one of our production equipment. It has mature technology and processes, complete models and configurations, and technical engineers can tailor production line configuration plans for you. If you are interested in the rotary dryer, please click on the online consultation to get solution and price now. Baichy Machinery is dedicated to serving you 24 hours a day! 

 

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