General Information

• Extraction Type: Solvent
• Solvent: Certified for ethanol. (potential for use with Heptane, Hexane, IPA, and Methanol with minor gasket changes)
• Extraction implementation: Continuous counter-flow auger
• Extractor Construction: 304 Stainless Steel
• Bath Capacity: 50 gal
• Throughput capacity: 2 lb/min biomass (@1rpm), 1 gpm solvent
• Pump type: Internal gear pump with fluorosilicone seals
• Control: Closed loop and fully automatic with touchscreen HMI
• Fully insulated Tri-clamps used for all interface connections
• Design Certifications/Peer Review
  • PSI Certified
• Design Compliance
  • NFPA 30, 70, 79
  • UL 508A

• Unit Dimensions: 161.3”L x 61.0”W x 98.9”H

Facility requirements

• Class 1 Division 1 area for the extractor with adequate ventilation to maintain 25% of the LEL of the solvent used
• Unclassified area for the control panels
• Source of chilled solvent:  at 1 gpm (nominal)
• Chilled heat transfer fluid to maintain extractor temperature (3kW cooling capacity for cold optional processing)
• Provisions for output micelle flow and waste biomass discharge
• 480VAC 3-phase electrical service at 14 Amps (not including cooling)
• Facility wiring between control panels and the extractor to allow for maximum layout flexibility
• Compressed air (100 psi, 0.6 cfm)
• Appropriate spill containment in compliance with NFPA 30 ch. 17

General Operating Characteristics

• Solvent minimum temperature: variable 
• Solvent and slurry pump flow rate: 1-9 gpm
• Input biomass flow rate: 1-5 lbs/min
• Biomass requirements: dirt removed, dried, and chopped to ¼”-1” size
• Screw speed: 1-5 rpm
• Effective extraction duration: 5 minutes (1 rpm, 2 lb/min biomass, 1 gal/min solvent)
• Waste biomass drip dry time (in upper chute): 4.5 minutes (at 1 rpm)

Handling requirements

• Fork lift pockets: 40” long spaced 36” apart center to center
• Weight 3400 lbs

Expandability

• Prewired for integration with the other Helderpad extraction subsystems including: biomass feeding, chilled solvent storage, separation, and filtering                                
• Recirculation heat exchanger to maintain temperature in the extractor with chiller (3kW) to provide cooling for the recirculation heat exchanger. (Note: this is separate from a customer-provided solvent cooling system. When purchasing a Helderpad Solvent Chilling System, the chiller specified for that system also provides cooling for thE extractor recirculation circuit).

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