Downdraft dryer for biomass drying
Quickly reduce moisture content and energy consumption with a versatile dryer that relocates to your harvest site, efficiently processing biomass into biofuel, wood pellets, and more.

Dries and Cools Biomass Efficiently On-Site
The Modular Relocatable Advanced Downdraft Dryer from Forest Concepts is engineered for mobile biomass processing, catering to a diverse range of industries, including renewable energy and agriculture. This dryer features a multi-zone downdraft system with six drying stages and one cooling stage, efficiently removing up to 900 pounds of water per hour from woody and herbaceous biomass. Applications include producing wood chips, pellets, dried grass, and biochar. Mounted on a USDOT-compliant 48-ft flatbed trailer, it offers remarkable flexibility, allowing relocation and rapid assembly/disassembly on-site.
The PLC-controlled “Intelligent Controls” touchscreen interface enhances automation, while custom configurations support project-specific requirements. Operating with 6.5 million BTU/hr of heat capacity, this dryer utilizes propane and operates on a 460V, 3-phase power supply, ensuring high efficiency in continuous production. Its design emphasizes user-friendly operation and minimal environmental impact, featuring energy-efficiency measures that optimize consumption.
Benefits
- Enhances operational flexibility with mobile, on-site drying capabilities.
- Increases efficiency by reducing drying time and energy consumption.
- Streamlines production with continuous, high-speed processing.
- Simplifies control and monitoring via a user-friendly touchscreen interface, reducing labor costs.
- Supports diverse biomass applications, improving product yield and quality.
- Applications
- Herbaceous biomass,Bioenergy,Biomass,Woody biomass,Biofuel
- End products
- Dried wood shavings,Wood chips,Wood pellets,Dried straw,Biomass fuel logs,Dried grass,Biochar,Dried agricultural residues
- Steps before
- Harvesting,Biomass Collection,Loading
- Steps after
- Cooling,Supersack Filling,Storage,Extraction
- Input ingredients
- raw-harvested woody biomass,herbaceous biomass
- Output ingredients
- dried material,water removed
- Market info
- Forest Concepts is known for designing and manufacturing innovative biomass processing equipment, specializing in engineered-to-order systems for efficiently handling and converting biomass into valuable products, earning a reputation for quality and innovation in the renewable energy sector.
- Drying time
- N/A (Varies with conditions)
- Heat Capacity
- 6.5 million btu/hr
- Fuel
- Propane (80 gph max. fuel flow)
- Electrical Specifications
- 460v,3ph,350 amp
- Control System
- Siemens "Intelligent Controls" PLC with Touchscreen Interface
- Drying Stages
- 6
- Cooling Stages
- 1
- Tray Dimensions
- 6′ X 6′ X 1′
- Transportability
- 1 day each to disassemble and reassemble
- Water Removal Rate
- Up to 900 pounds per hour
- Working mechanism
- Downdraft drying with screen-bottom trays
- Integrated steps
- 6 drying zones and 1 cooling zone
- CIP/SIP
- Manual
- Automation level
- PLC with Touchscreen Interface
- Relocatability
- Mounted on transportable trailer
- Batch vs. continuous operation
- Continuous
- Biological compatibility
- Woody and herbaceous biomass
- AE50 Award for Innovation
- 2021
- Transportability standards
- Highway Legal
- Machine Footprint
- 48-ft flatbed trailer
- Cooling Stages
- 1
- Drying Stages
- 6
- Tray Dimensions
- 6′ X 6′ X 1′
- Transportability
- Relocatable,mounted on trailer
- Discharge Method
- Supersack filling station
- Control panel type
- PLC touchscreen
- Integration possibilities
- Remote control via app
- Relocation capability
- Yes,transportable on trailer
- Tray configuration
- Customizable to project needs
- Heat capacity adjustment
- Adjustable up to 6.5 million btu/hr