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As a leading manufacturer based in Qingdao, China, Qingdao Conqinphi Environmental Technology Group Co., Ltd. has been dedicated to providing high-efficiency thermal separation solutions since 2015. Our Multiple Effect Evaporator (MEE) 316L Stainless Steel Shell and Tube Heat Exchanger is engineered to maximize energy savings and product quality for industries ranging from food processing to wastewater treatment. With a factory size of 10,000–30,000 m² and an annual export value exceeding US$10 million, we deliver reliable, customizable equipment trusted by clients across North America, Europe, Southeast Asia, and beyond.
This evaporator integrates multiple effect stages with a robust shell-and-tube design, using corrosion-resistant 316L stainless steel to ensure long service life even under harsh chemical or saline conditions. The system recovers vapor heat from each effect, significantly reducing steam consumption compared to single-effect evaporators. Whether you need to concentrate fruit juice, treat industrial brine, or recover valuable chemicals, our MEE heat exchanger offers precise control, easy maintenance, and scalable capacity.
Key Features & Technical Specifications
- High Thermal Efficiency – Multi-effect design reduces steam consumption by up to 60% compared to single-effect units.
- 316L Stainless Steel Construction – Excellent resistance to pitting, crevice corrosion, and chloride stress cracking; ideal for saline and acidic feeds.
- Shell-and-Tube Configuration – Large heat transfer area per unit volume, sturdy construction, and easy cleaning.
- Vacuum Operation Available – Allows evaporation at lower temperatures to protect heat-sensitive products.
- Modular Design – Number of effects, capacity, and auxiliary equipment can be customized to your process.
- Automatic Control System – PLC-based control with touchscreen interface for stable operation and data logging.
- Low Maintenance – Removable tube bundles and accessible inspection ports simplify cleaning and repairs.
- Compliance with International Standards – Manufactured under ISO9001, ISO14000, and OHSAS18001 certified processes.
| Parameter | Typical Range | Notes |
|---|---|---|
| Number of Effects | 2 – 7 | Customizable; higher effects reduce energy consumption |
| Evaporation Capacity | 1,000 – 50,000 kg/h | Per unit; multiple units can be combined |
| Operating Pressure | Atmospheric or Vacuum (down to -0.09 MPa) | Vacuum enables low-temperature evaporation |
| Temperature Range | 60°C – 150°C | Depends on vacuum level and steam supply |
| Heat Transfer Area | 50 – 2,000 m² | Per effect; total area depends on design |
| Material | 316L Stainless Steel (shell & tubes) | Other alloys available on request |
| Control System | PLC + HMI (touchscreen) | Remote monitoring optional |
Customer Benefits
- Energy Savings – Lower steam consumption reduces operating costs and carbon footprint.
- Product Quality – Gentle evaporation at low temperatures preserves flavor, nutrients, and chemical integrity.
- Reliability – 316L stainless steel and robust construction minimize downtime and maintenance costs.
- Flexibility – Customizable number of effects, capacity, and materials to match your specific process.
- Compliance – Manufactured under certified quality management systems (ISO9001, etc.), ensuring consistent performance.
- Global Support – Spare parts and technical support available for our worldwide customer base.
Trust & Credibility
With over 8 years of experience in thermal separation technology, Qingdao Conqinphi Environmental Technology Group has delivered hundreds of evaporator systems to clients in more than 50 countries. Our factory spans 10,000–30,000 m² and employs 201–300 skilled workers, including a dedicated R&D team. We hold certifications such as ISO9001, ISO14000, OHSAS18001, HACCP, and others, ensuring that every unit meets rigorous quality and safety standards.
We understand that your evaporation process is critical to your production line. That's why we offer comprehensive pre-sales consultation, customized design, and after-sales support. Our multiple-effect evaporator with 316L stainless steel shell-and-tube heat exchanger is a proven solution for reducing energy costs while maintaining product quality. Contact us today to discuss your requirements and receive a tailored quotation.
Frequently Asked Questions (FAQ)
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Q: What is the advantage of a multiple-effect evaporator over a single-effect one?
A: A multiple-effect evaporator reuses the vapor from the first effect as the heating medium for the next effect, drastically reducing steam consumption. For example, a triple-effect system can save about 60% energy compared to a single-effect unit. -
Q: Why is 316L stainless steel used for this heat exchanger?
A: 316L stainless steel offers superior resistance to chloride corrosion, pitting, and crevice corrosion, making it ideal for saline or acidic feed streams. It also has a lower carbon content, reducing the risk of intergranular corrosion during welding. -
Q: Can the evaporator handle heat-sensitive products?
A: Yes. By operating under vacuum, the boiling temperature can be lowered to as low as 60°C, minimizing thermal degradation of sensitive components like proteins, enzymes, or flavors. -
Q: What is the typical lead time for a custom multiple-effect evaporator?
A: Lead time depends on the complexity and capacity. Standard designs can be delivered in 8–12 weeks, while fully customized units may take 14–20 weeks. Please contact us for a specific timeline. -
Q: Do you offer installation and commissioning services?
A: Yes, we can provide on-site supervision and commissioning assistance. Our team can also train your operators to ensure smooth startup and optimal performance. -
Q: What maintenance is required for the shell-and-tube heat exchanger?
A: Regular inspection of tube bundles for fouling or scaling is recommended. Cleaning can be performed mechanically or chemically. The design allows easy access to tube sheets for inspection and cleaning. -
Q: Can the system be integrated with existing plant control?
A: Yes, our PLC-based control system can communicate via standard protocols (Modbus, Profibus, etc.) and can be integrated with your DCS or SCADA system. -
Q: What certifications do your products have?
A: Our manufacturing facilities are certified under ISO9001, ISO14000, OHSAS18001, and other management systems. Specific product certifications (e.g., ASME, PED) can be provided upon request and for an additional cost.
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