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Help CenterDouble-effect Falling Film Evaporator, 24/7 Technical Support, Mill Test Report Provided, Standard Compliant
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As a leading manufacturer based in Qingdao, China, Qingdao Conqinphi Environmental Technology Group Co., Ltd. specializes in the design and production of high-efficiency evaporation systems. Our Double-effect Falling Film Evaporator is engineered to deliver outstanding thermal performance, energy savings, and reliable operation for a wide range of liquid concentration processes. With 24/7 technical support and a comprehensive mill test report provided with every unit, this evaporator ensures you can achieve consistent product quality while meeting strict industry standards.
The double-effect design utilizes the vapor generated from the first effect as the heating medium for the second effect, significantly reducing steam consumption. This falling film technology offers short residence time, high heat transfer coefficients, and minimal fouling, making it ideal for heat-sensitive products. Whether you are concentrating fruit juice, milk, pharmaceuticals, or chemical solutions, our evaporator provides a gentle yet efficient evaporation process.
Key Features
- Double-effect energy saving: Up to 40% reduction in steam consumption compared to single-effect evaporators.
- Falling film design: Thin liquid film flows downward inside tubes, ensuring rapid evaporation at low temperature.
- Short residence time: Minimizes thermal degradation of heat-sensitive materials.
- High heat transfer coefficient: Typically 1200 – 2500 W/m²·K, depending on product and operating conditions.
- PLC automatic control: Touch screen interface for easy operation, real-time monitoring, and data logging.
- Standard compliant construction: Manufactured in accordance with ASME, GB, and CE standards (optional).
- 24/7 technical support: Our expert team is available around the clock for troubleshooting and process optimization.
- Mill test report included: Detailed documentation of material certification, weld testing, and pressure test results.
Technical Specifications
| Parameter | Value Range |
|---|---|
| Evaporation Capacity | 100 – 5000 kg/h (customizable) |
| Heating Area per Effect | 5 – 50 m² |
| Steam Consumption | 0.45 – 0.55 kg per kg of water evaporated |
| Cooling Water Consumption | 40 – 80 m³/h (depending on capacity) |
| Operating Temperature | 50 – 120 °C (adjustable) |
| Operating Pressure | Vacuum – 0.3 MPa |
| Material of Construction | Stainless Steel 304 / 316L, optional Hastelloy |
| Control System | PLC + HMI touch screen, remote monitoring option |
Advantages & Benefits
- Lower operating costs: The double-effect configuration cuts steam usage by nearly half, resulting in significant energy savings over the equipment lifetime.
- Gentle product treatment: Falling film technology operates at low temperature differences and short residence time, preserving flavor, color, and nutritional value in food products, and maintaining activity in pharmaceutical ingredients.
- Ease of cleaning: The design allows easy access to tubes for CIP (clean-in-place) systems, reducing downtime between batches.
- Reliable performance: Our evaporators are built with high-quality components and undergo strict factory testing. Each unit comes with a mill test report that verifies material integrity and weld quality.
- Global compatibility: Designed to meet international standards, our evaporators can be customized for local voltage, frequency, and pressure codes.
Why Choose Qingdao Conqinphi?
Established in 2015, Qingdao Conqinphi Environmental Technology Group Co., Ltd. operates a factory spanning 10,000 – 30,000 square meters with a dedicated team of 201 – 300 employees. Our annual export value exceeds US$10 million, and we serve markets across North America, South America, Europe, Asia, Africa, and Oceania. We hold multiple certifications including ISO9001, ISO14000, OHSAS18001, and HACCP, reflecting our commitment to quality management, environmental responsibility, and food safety. Every evaporator is delivered with a mill test report and backed by 24/7 technical support – ensuring you have the expertise and documentation needed for seamless integration into your process.
Our double-effect falling film evaporator is a proven solution for industries requiring efficient, gentle concentration. Whether you are a dairy processor, a chemical manufacturer, or a pharmaceutical company, we invite you to contact us for a customized quotation and process recommendation. Invest in reliability – choose Qingdao Conqinphi.
Frequently Asked Questions
-
What is the difference between a single-effect and a double-effect falling film evaporator?
A double-effect evaporator uses the vapor from the first effect to heat the second effect, reducing steam consumption by about 40% compared to a single-effect unit. It is more energy-efficient but requires a higher initial investment. -
Can this evaporator handle viscous or fouling products?
Falling film evaporators are suitable for low to medium viscosity products. For highly viscous or severely fouling liquids, additional options like forced circulation or scraped surface evaporators may be recommended. We can provide a free process evaluation. -
What materials are used for the construction?
Standard materials are stainless steel 304 and 316L. For corrosive or high-purity applications, we can offer Hastelloy, titanium, or other alloys upon request. -
How is the mill test report provided?
The mill test report includes material certificates, weld inspection records, hydrostatic test results, and dimensional checks. It is issued with the shipment documentation. -
What kind of technical support is available?
We offer 24/7 remote support via phone, email, and video call. On-site commissioning and training services are available at an additional cost. -
Can the evaporator be customized for different capacities?
Yes, the evaporation capacity can be tailored from 100 kg/h to 5000 kg/h or more. Our engineers will design the system based on your specific feed concentration, product characteristics, and desired output. -
What certifications does the evaporator comply with?
The evaporator can be manufactured in accordance with ASME, GB, and CE standards. Our factory is ISO9001 certified, and we also hold HACCP, ISO14000, and OHSAS18001 certifications. -
What is the typical lead time for a double-effect falling film evaporator?
Lead time depends on capacity and customization. Standard units typically ship within 6–8 weeks after order confirmation. Please contact our sales team for a specific timeline.
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