Small Extraction, Concentration, and Filtration Machine
Introduction
This highly integrated, comprehensive, multifunctional process equipment integrates core functions such as extraction, concentration, filtration, and solvent recovery. Designed for small-batch, high-variety, and high-value-added production scenarios, it is widely used in R&D, pilot testing, and small-scale production of plant extracts, traditional Chinese medicine preparations, food flavorings, fine chemicals, cosmetics, and biopharmaceuticals.
- Full Volume: 16L – 75L
- Storage Tank Volume: 20L – 120L
Working Principle
This device performs automated, continuous operations within a closed system:
- Extraction/Reaction → Concentration/Evaporation → Condensation → Collection/Separation → Solvent Recovery → Precision Filtration
- Core Value: Seamless process integration, reduced material transfer loss and contamination, solvent recovery rate ≥95%, significantly reducing costs.
- Key Technology: Vacuum low-temperature concentration (boiling point as low as 35°C), effectively protecting heat-sensitive active ingredients.
Technical Parameters
| Model | WZ-10 | WZ-20 | WZ-30 | WZ-50 |
| Full Volume (L) | 16 | 26 | 40 | 75 |
| Extraction Tank Inner Diameter (mm) | 219 | 300 | 325 | 400 |
| Extraction Tank Volume (L) | 10 | 20 | 30 | 50 |
| Extraction Tank Jacket Diameter (mm) | 300 | 400 | 400 | 500 |
| Heat Exchange Area (㎡) | 0.5 | 0.6 | 0.7 | 0.9 |
| Cooling Area (㎡) | 0.25 | 0.25 | 0.25 | 0.25 |
| Cooling Collector Volume (L) | 16 | 25 | 36 | 80 |
| Concentrator Inner Diameter (mm) | φ219 | φ300 | φ325 | φ400 |
| Storage Tank Volume (L) | 20 | 30 | 38 | 120 |
| Extraction Tank Electric Heating Power (kW) | 6 | 12 | 12 | 18 |
| Length (mm) | 1300 | 1540 | 1560 | 1950 |
| Width (mm) | 500 | 530 | 550 | 700 |
| Height (mm) | 1820 | 1930 | 2030 | 2200 |
| Circulation Pump Specifications | 1T,0.37KW1T,0.37KW | 1T，0.37KW | 1T，0.37KW | 1T，0.37KW |
| Vacuum Pump Specifications | 1L/S | 2L/S | 2L/S | 2.5L/S |
Structure and Function
1. Top Motor and Stirring Device
- Blue motor (top): drives the stirring paddle inside the reactor.
- Function: Ensures uniform reaction or dissolution of materials; prevents local overheating or precipitation.
2. Main Reactor (large center tank)
- Material: Stainless steel, jacketed or insulated.
- Function: Serves as the primary vessel for dissolution, reaction, extraction, and concentration.
3. Condenser (long cylinder on the upper right)
This shell-and-tube condenser efficiently liquefies steam, condensing the high-temperature solvent vapor evaporated from the main reactor into a liquid.
4. Condensate Receiver (small tank on the lower right)
Temporarily stores condensate (solvent) flowing from the condenser.
5. Vacuum Buffer Tank/Solvent Recovery Tank
This is the large tank on the lower right, which collects condensate (solvent or extract); It serves as a vacuum buffer to stabilize system pressure.
6. Bottom Filter (flat, round tank below the main reactor)
- below the main reactor, its structure is similar to a quick-opening filter press.
- Solid-liquid separation is performed directly within the kettle without material transfer.
7. Overall Frame and Piping
- Stainless steel frame with casters for easy mobility.
- Pipelines: Valves are installed to control material flow direction (discharge, reflux, filtration, or collection tank).
More Informatio
Features and Advantages
- Integrated and Efficient: A single machine combines extraction, concentration, filtration, and solvent recovery, saving space and reducing material loss.
- Energy Saving and Environmental Protection: Efficient heat utilization and a solvent recovery rate of ≥95% save 30%-50% in annual solvent costs.
- Quality Assurance: Sealed production, low-temperature concentration, and precision filtration effectively protect product activity and purity.
- Safety and compliance: Multiple safety alarms (overtemperature, overpressure, and overload) and a hygienic design.
- Easy to clean: The kettle and piping feature a hygienic design with quick-release clamp connections and support CIP (closed-in-place) cleaning.
Applications
- Traditional Chinese Medicine/Plant Extraction: Extraction of essential oils, pigments, alkaloids, polysaccharides, flavonoids, and other active ingredients from plants.
- Traditional Chinese Medicine Preparations: Decoction, extraction, and concentration of Chinese medicinal materials to prepare Chinese herbal extracts and fluid extracts.
- Fine Chemicals: Post-processing of small-batch chemical synthesis reactions, filtration and separation of catalysts, and product concentration and purification.
- Food and Flavoring: Preparation of natural seasonings, flavors, and fragrances, juice concentrates, and food additives.
- Laboratory R&D: Process exploration and pilot-scale scale-up in universities, research institutes, and corporate R&D centers.
- Cosmetics: Extraction of plant essences to prepare concentrated active ingredients.
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