Grain dryer FR

stationarycontinuous

Overview
The FR Series is an advanced continuous-flow grain dryer designed to optimize fuel consumption across processing volumes. An innovative heat-recovery ventilation system improves energy efficiency, lowering operating costs and environmental impact.

Why choose the FR Series

• Advanced heat recovery: Recirculation reuses air not fully saturated with moisture to reduce fuel consumption and heating demand at equal processed volume.
• Fast and safe maintenance: Designed for medium and large-scale continuous operation, with inspection structures and access points to minimize downtime and enable safe interventions.
• Continuous high performance: Engineered to dry medium and large grain volumes continuously, ensuring uniform treatment and consistent results under prolonged operation.

Main components

• Loading hopper: Internal geometry ensures steady grain flow and optimal feeding to the drying column.
• Main fans: Positioned opposite the burner, operating in suction mode for uniform air flow; fitted with silencer and shutter to limit noise and dust emissions.
• Catwalks: External and internal walkways provide safe access for inspection and routine maintenance.
• Air ducts: Profiled to facilitate grain movement and efficient heat exchange between hot air and grain.
• Heat generator: Inline burner available for natural gas and LPG with precise modulation; diesel version available as option.
• Recovery fans: Located at the base to collect hot process air and reintroduce it into the cycle to improve energy efficiency.
• Extraction device: Oscillating shutters enable even and controlled discharge of product.
• Basement / foundation: Structural base anchored to ground ensuring stability; certified for wind, snow and seismic loads.

Drying process flows

• Air intake: Process air is drawn from the environment and heated.
• Hot air circulation: Heated air from the burner passes through the grain, transferring heat and absorbing moisture.
• Product cooling: In the lower section, dried product is cooled with ambient air before extraction.
• Exhaust air expulsion: Moisture-saturated exhaust air is expelled from the dryer.
• Energy recovery: Hot air from the final drying phase is recovered and reintroduced to reduce fuel consumption.

Complementary technologies

• VAP System: STRAHL technology for additional dust emission reduction.
• Moisture control system: Product moisture monitoring to maintain process control.
• Extraction speed regulator: Optional inverter for controlled extraction speed.
• Supplementary temperature monitoring: Additional probes for detailed temperature monitoring in different dryer zones.

Strahl control systems
Real-time control systems monitor key drying parameters, alert operators to critical conditions and optimize the cycle to maximize yield, grain quality and operational efficiency.

Technical specifications

• Product type: Continuous-flow grain dryer with heat recovery.
• Energy efficiency: Heat-recovery ventilation with air recirculation to reduce fuel consumption.
• Capacity: Designed for continuous drying of medium and large grain volumes.
• Fuel options: Natural gas, LPG; diesel version available.
• Air handling: Main fans in suction mode with silencer and shutter; recovery fans at dryer base.
• Feed & discharge: Loading hopper with special geometry; extraction device with oscillating shutters for controlled discharge.
• Access & maintenance: External and internal catwalks for safe inspection and maintenance.
• Structure: Foundation anchored to ground; certified for wind, snow and seismic conditions.
• Optional systems: VAP dust reduction, moisture control, extraction inverter, additional temperature probes.
• Control: Strahl real-time control systems for process monitoring and optimization.