Pharmaceutical Extraction System Technical Overview
I. Key Components & Functions
Main Extraction Tank
Structure: Refer to general assembly diagram.
Function: Extracts active compounds from herbal materials via boiling, reflux, or oil separation processes.
Condenser
Function: Converts vaporized extraction medium (e.g., water/alcohol) into liquid condensate for reflux into the main tank.
Secondary Cooler
Function: Further cools condensate to optimize separation efficiency.
Oil-Water Separator
Function: Isolates aromatic oils from cooled condensate during volatile oil extraction.
II. Operational Workflow
The system operates as a closed-loop cycle, supporting:
Ambient/Reduced-Pressure Extraction
Aqueous Extraction | Ethanol Extraction | Volatile Oil Recovery
Process-Specific Protocols
Aqueous Extraction
Load herbs and water into the main tank.
Heat via jacket steam/electric heater to boiling, then reduce heat to maintain gentle boiling.
For closed systems: Activate condenser cooling to maintain reflux circulation.
Ethanol Extraction
Charge herbs and ethanol into the sealed tank.
Heat to target temperature (monitored via cooling water flow).
Enhance efficiency using forced circulation mode: Pump liquid from the tank bottom back to the top via external loop.
Volatile Oil Recovery
Load herb-water mixture into the tank.
Open oil-water separator valves; close bypass valves.
Heat to volatilization temperature, then activate cooling.
Maintain liquid level in the separator for optimal oil-layer formation.
Ethanol Recovery
Follow flowchart: Charge ethanol, apply steam, activate cooling, and open recovery valves.
III. System Advantages
Flexible Process Control: Adjustable temperature/pressure for diverse herbal matrices.
Closed-Loop Safety: Prevents solvent loss and environmental exposure.
Modular Design: Compatible with auxiliary units (e.g., CIP systems, automated controls).
For detailed flow diagrams and parameter settings, refer to the official process documentation.
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