Biomass flash dryer

Product Description

A flash dryer (or pneumatic dryer) is an industrial, continuous, and rapid drying system that suspends moist materials”such as powders, granules, pastes, and slurries”in a hot, high-velocity air stream to evaporate moisture within seconds. It is widely used in industries like food, chemical, pharmaceutical, and biomass for its efficiency, low residence time, and high evaporation capacity. 

This video provides a detailed overview of the working principle of a flash dryer:

Key Features and Working Principle

• Rapid Process: Drying typically occurs in less than 60 seconds, which is ideal for heat-sensitive materials.
• Mechanism: Wet material is introduced into a high-speed, heated air stream (often via a venturi or pneumatic feeder), immediately reducing moisture content.
• Particle Suspension: The material is conveyed, dispersed, and dried simultaneously, preventing overheating of the product.
• System Components: Usually includes an air heater, feeder, drying duct, cyclone separator, and bag filter. 

Watch this video to see how a spin flash dryer works:

• Basic Flash Dryer: Uses hot air to directly dry the material.
• Spin Flash Dryer: Features a specialized chamber with a rotating agitator, allowing for the processing of pastes and wet cakes into fine powder.
• Agitated Swirl Flash Dryer: Uses a rotor to disperse feed, often for high-moisture materials.
• DMR Flash Dryer: Combines drying with milling, utilizing high-speed rotors to reduce particle size while drying. 

• Food Processing: Starch, protein, coffee.
• Chemicals & Minerals: Pigments, fertilizers, bentonite.
• Biomass & Agriculture: Animal feed, wood pellets, waste. 

• High Efficiency: Lower energy consumption (

  

• Compact Design: Small footprint suitable for, and quick,, continuous operation.
• Quality Retention: Rapid drying preserves the original quality of sensitive materials.