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
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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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