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Help CenterTubular Three-Effect Evaporator for Pharmaceutical Industry, Concentrate Herbal Extracts, 304 SS, Sanitary Design
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Qingdao Conqinphi Environmental Technology Group Co., Ltd. is a trusted manufacturer of advanced evaporation systems for the pharmaceutical and herbal extraction industries. Our Tubular Three-Effect Evaporator is engineered to concentrate heat-sensitive herbal extracts with maximum efficiency and product quality. Built entirely from 304 stainless steel with a sanitary design, this evaporator meets the strict hygiene and purity requirements of modern pharmaceutical production. With over 10 years of manufacturing experience (since 2015), a factory spanning 10,000-30,000 m², and annual export value of US$10-50 million, we deliver reliable, high-performance equipment to global markets.
This three-effect evaporator utilizes a series of three tubular heat exchangers operating under progressively lower pressures, allowing multiple stages of evaporation with significantly reduced energy consumption. The sanitary design features polished internal surfaces, crevice-free welds, and full CIP (Clean-in-Place) capability, making it ideal for concentrating herbal extracts, pharmaceutical intermediates, and other sensitive liquids. The use of 304 SS ensures excellent corrosion resistance and compliance with industry standards.
Key Features & Benefits
- High Energy Efficiency: Three-effect design reduces steam consumption by up to 60% compared to single-effect units, lowering operating costs.
- Gentle Concentrating Process: Low evaporation temperatures (due to vacuum) preserve the bioactivity of herbal extracts and pharmaceutical compounds.
- Sanitary Construction: 304 SS with Ra ≤ 0.8 μm surface finish, no dead legs, and fully drainable design prevents bacterial growth and cross-contamination.
- Compact Footprint: Tubular arrangement saves floor space while maintaining high throughput.
- Customizable Capacity: Available in evaporation capacities from 50 L/h to 5000 L/h, tailored to your production scale.
- Automated Operation: Optional PLC control system with touch screen interface for precise temperature, pressure, and flow control.
- Easy Maintenance: Quick-opening access ports and modular design facilitate inspection and cleaning.
Technical Specifications
| Parameter | Value / Range |
| Evaporation Capacity | 50 – 5000 kg/h (customizable) |
| Number of Effects | 3 |
| Operating Temperature (First Effect) | 80–100 °C (adjustable via vacuum) |
| Vacuum Degree | -0.08 to -0.095 MPa |
| Steam Consumption (per kg water evaporated) | ≤ 0.4 kg (typical) |
| Material of Construction | 304 Stainless Steel (other grades available upon request) |
| Design Pressure | 0.6 MPa (shell side), full vacuum tube side |
| Surface Finish (product contact) | Ra ≤ 0.8 μm |
| CIP/SIP Compatibility | Yes (standard design) |
| Control Options | Manual, Semi-auto, PLC with HMI (optional) |
The tubular design provides superior heat transfer coefficients and fouling resistance compared to falling-film or plate evaporators, especially when dealing with viscous or particulate-containing herbal extracts. Each effect is equipped with a separate separator to ensure efficient vapor-liquid disengagement, minimizing product entrainment and maximizing yield.
Why Choose Qingdao Conqinphi?
As a specialized manufacturer with 201–300 employees and ISO9001, HACCP, SA8000, OHSAS18001 certifications, we have supplied evaporation systems to clients across North America, South America, Europe, Asia, Africa, and Oceania. Our factory is equipped with advanced fabrication and testing equipment, ensuring each unit meets strict quality standards. We offer comprehensive after-sales support, including installation guidance, commissioning, and spare parts supply. With an annual export value exceeding US$10 million, our products have gained recognition for reliability and performance.
Whether you need to concentrate a single herbal extract or scale up from pilot to production, our Tubular Three-Effect Evaporator delivers consistent results with low operating costs. Contact us today to discuss your specific application and capacity requirements. We can provide customized solutions with tailored concentration ratios, heating media, and automation levels.
Frequently Asked Questions
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Q: What types of herbal extracts can this evaporator handle?
A: It is suitable for a wide range of aqueous and alcoholic extracts, including those from roots, leaves, flowers, and whole herbs. The gentle evaporation process helps preserve volatile compounds and heat-sensitive active ingredients. -
Q: Is the 304 stainless steel suitable for corrosive solvents like ethanol?
A: Yes, 304 SS offers good resistance to ethanol and many organic solvents. For stronger acids or chlorides, we offer 316L SS or other alloys on request. -
Q: How often does the evaporator require cleaning?
A: Cleaning frequency depends on the product’s fouling tendency. Typically, a CIP cycle is performed every 8-24 hours of operation. The sanitary design with smooth surfaces reduces fouling and makes cleaning easy. -
Q: What is the typical evaporation temperature range?
A: With vacuum operation, the first effect operates at around 80-100°C, the second effect at 60-80°C, and the third effect at 40-60°C. Specific temperatures can be adjusted via vacuum level and steam pressure. -
Q: Can the evaporator be integrated into an existing production line?
A: Absolutely. Our evaporators can be customized with inlet/outlet connections, piping, and control interfaces to match your existing system. We provide installation support. -
Q: What certifications do your evaporators have?
A: Our manufacturing process is certified under ISO9001, HACCP, SA8000, OHSAS18001, and others. Individual components can be supplied with material certificates and pressure vessel documentation as required. -
Q: How do you ensure the sanitary design meets GMP standards?
A: All product contact surfaces are polished to Ra ≤ 0.8 μm, welds are ground and passivated, dead legs eliminated, and the system is designed for full drainability and CIP/SIP cleanability. -
Q: What is the typical delivery time?
A: Delivery time depends on capacity and customization level, generally between 45 to 90 days after order confirmation.
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