Used Gryphon Biomass Hot Air Belt Dryer Model A.318 – Gas-Fired, Automated Hemp Dryer

Manufacturer Information

• Brand: Gryphon
• Model: A.318
• Type: Biomass Hot Air Belt Dryer
• Heat Source: Gas-Fired (1.5 MMBTU natural gas burner) with supplemental electric heaters
• Fan System: HPSM254 AirPro high-pressure radial shrouded fan, 600 RPM, 40 HP
• Automation: Fully PLC controlled with automated washing and adjustable air volume, temperature, and cycle time
• Year Built: 2019

Description

The Gryphon Biomass Hot Air Belt Dryer, Model A.318, is an industrial-grade gas-fired recirculating counter-current air dryer designed for drying biomass materials such as hemp. With a water evaporation rate of approximately 213 lbs/hr, this dryer processes 3,000 lbs of wet biomass per 24 hours and outputs around 1,000 lbs of dry product at a moisture level of 7% to 11%. The dryer section measures 18’ long by 3’ wide and is equipped with a 23.625" cleated feed belt, condenser coils, and a CTS cooling tower and condenser unit.

The unit features a 1.5 MMBTU natural gas burner with all required gas train valves, firing controls, and Honeywell fire eye safeties, along with supplemental electric heaters in each section. Airflow is powered by a 2500 SCFM blower with Allen Bradley PowerFlex 753 VFD and six PowerFlex 525 VFD drives for precise control. Full PLC automation allows for control of air volume, temperature, cycle time, and includes automated washing of the chambers, air filters, and belt.

Specifications

• Water Evaporation Rate: Approx. 213 lbs/hour
• Dryer Section Dimensions: 18’ L x 3’ W
• Input Capacity: 3,000 lbs per 24 hours (50-80% moisture)
• Output Dry Mass: Approx. 1,000 lbs per 24 hours (7% to 11% moisture)
• Burner: 1.5 MMBTU natural gas burner with safety controls
• Supplemental Heaters: Electric heaters in each section
• Airflow: 2500 SCFM blower, AB PowerFlex 753 VFD drive
• Fan: Model HPSM254 AirPro, 600 RPM, 40 HP
• Feed Belt: 23.625” wide cleated belt
• Blowers and VFDs: (6) PowerFlex 525 VFD drives
• Cooling System: CTS cooling tower and condenser unit
• Automation: Full PLC control for air volume, temperature, cycle time, automated washing
• Spare Parts: (4) condenser filters, dryer belt, bed skirts, spacers
• Year Built: 2019
• Previously Used For: Hemp drying

Applications

• Hemp biomass drying
• Agricultural biomass drying (corn, alfalfa, wood chips)
• Food processing (grains, spices, seeds)
• Pharmaceuticals and nutraceutical powders
• Industrial byproduct drying

Compatible Products & Uses

• Hemp biomass
• Agricultural products with high moisture content
• Nutraceutical powders and plant materials
• Wood biomass for pellet production
• Food-grade drying applications

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