Forced Circulation MVR Tubular Falling Film Evaporator, 2000L/H, 304 SS, 0.5MPa
Product Spotlights
Company Introduction & Product Core Value:
Qingdao Conqinphi Environmental Technology Group Co., Ltd., established in 2015 with over 300 employees and a factory area spanning 10,000–30,000 square meters, is a leading manufacturer specializing in advanced evaporation and concentration solutions. Our Forced Circulation MVR Tubular Falling Film Evaporator (2000L/H, 304 SS, 0.5MPa) represents the pinnacle of energy-efficient thermal separation technology. Designed to handle large volumes of liquid with high fouling potential, this evaporator combines forced circulation with falling film principles to achieve superior heat transfer and minimal fouling, making it ideal for wastewater reduction, brine concentration, and chemical recovery processes. With annual export values exceeding US$10 million, our equipment is trusted across North America, Europe, Southeast Asia, and more.
Product Features & Technical Advantages:
- Forced Circulation Design: Ensures high liquid velocity through the tubes, preventing scaling and fouling even with viscous or crystal-prone liquids. This extends operational cycles and reduces cleaning downtime.
- MVR (Mechanical Vapor Recompression) Technology: Compresses secondary vapor to increase its temperature and pressure, then reuses it as heating steam. This drastically reduces energy consumption — up to 70% lower than traditional multi-effect evaporators.
- Tubular Falling Film Configuration: Liquid forms a thin film on the inner tube walls, maximizing heat transfer coefficient ( up to 3000 W/m²·K ) and minimizing residence time. Ideal for heat-sensitive products.
- 304 Stainless Steel Construction: Provides excellent corrosion resistance for a wide range of chemicals and food-grade applications. All wetted parts are 304 SS, ensuring product purity and long service life.
- 0.5 MPa Working Pressure: Enables operation at moderate temperatures (approx. 150-160°C) for efficient evaporation while maintaining safety margins. Pressure rating is designed per ASME or equivalent standards (available upon request).
- High Capacity: 2000 L/H Evaporation Rate — suitable for medium-scale industrial processes. Modular design allows for easy capacity expansion.
- Intelligent Control System: PLC-based automation with touch-screen interface, enabling real-time monitoring of temperature, pressure, flow rate, and liquid level. Customizable alarms and remote access options.
- Low Maintenance: Large inspection ports and easy-access tube sheets simplify cleaning and tube replacement. The forced circulation pump is of heavy-duty design with mechanical seals.
- Compact Footprint: Vertical layout saves floor space. Pre-assembled skid-mounted options available for quick installation.
Technical Specifications (Standard Parameters):
| Parameter | Value |
|---|---|
| Evaporation Capacity | 2000 L/H (customizable) |
| Material of Construction | 304 Stainless Steel (316L optional) |
| Working Pressure (Tube Side) | 0.5 MPa (max) |
| Operating Temperature | Up to 160°C (pressure dependent) |
| Heat Transfer Area | ~80-100 m² (configured per application) |
| Power Consumption (Compressor) | Approx. 30-50 kW (depending on feed properties) |
| Noise Level | |
| Control System | PLC + HMI touch screen (Siemens or Mitsubishi) |
| Certifications | ISO 9001, ISO 14000, HACCP, OHSAS 18001 (factory-level) |
Customer Benefits:
- Significantly reduced operating costs through MVR energy recovery — can cut steam consumption by 90% compared to direct steam evaporation.
- Minimized wastewater volume, helping industries meet environmental discharge regulations and lower disposal costs.
- Reliable long-term operation with minimal fouling: forced circulation keeps solids in suspension and reduces cleaning frequency by 50%.
- Flexible application: Suitable for NaCl, Na2SO4, NH4Cl, and other salt solutions, as well as sugar, fruit juice, and pharmaceutical extracts.
- Fast payback period: Typically 1-2 years depending on local energy prices and feed characteristics.
Trust & Credibility:
As a company with 201–300 skilled employees and an annual export value of US$10–50 million, Qingdao Conqinphi Environmental Technology Group Co., Ltd. has delivered evaporators to clients in over 15 countries across North America, South America, Europe, Africa, and Asia. Our factory is ISO 9001/ISO 14000/HACCP certified, and we hold additional quality management certifications such as TL900, QS9000, and SA8000 (available upon request). Every evaporator undergoes strict factory acceptance testing (FAT) before shipment. We offer comprehensive after-sales services including on-site commissioning, warranty, and remote technical support. Contact our team today for a customized quotation — we are ready to help you optimize your evaporation process with a proven, energy-saving solution.
Frequently Asked Questions (FAQ):
-
Q: What is the difference between forced circulation and natural circulation falling film evaporators?
A: In forced circulation, a pump maintains high liquid velocity (1.5–3 m/s) through the tubes, which prevents scaling and fouling. Natural circulation relies on density differences and is only suitable for low-fouling, low-viscosity liquids. Our forced circulation design is ideal for solutions with suspended solids or crystals. -
Q: Can this evaporator handle liquids with high boiling point elevation?
A: Yes. MVR technology compensates for boiling point elevation by providing additional compression ratio. The 0.5 MPa design allows operation with moderate elevation (up to ~10°C) for most inorganic salt solutions. -
Q: What is the typical payback period for this MVR evaporator?
A: It depends on energy costs, feed concentration, and operating hours. For many industrial clients, the payback period ranges from 1.5 to 3 years. We provide a detailed energy savings analysis before purchase. -
Q: Is the evaporator supplied with a control system?
A: Yes. A fully integrated PLC control panel with HMI touch screen is included. It monitors temperature, pressure, flow, and liquid level. Remote monitoring via Ethernet is optional. -
Q: What maintenance is required?
A: Regular maintenance includes checking mechanical seals on the circulation pump, cleaning the heat exchanger tubes (frequency depends on fouling level), and lubricating the compressor. Detailed maintenance manual is provided. -
Q: Can the evaporator be made in 316L stainless steel?
A: Yes. 304 SS is standard. 316L, duplex stainless steel, or titanium are available upon request, with a corresponding price adjustment. -
Q: What is the maximum solids concentration achievable?
A: This depends on the physical properties of the liquid. For common salt (NaCl), you can reach near saturation (about 25-30% depending on temperature). For organic solutions, up to 60-70% solids may be achieved. Please provide your feed data for a customized design. -
Q: What is the delivery time and shipping port?
A: Typical lead time is 8–12 weeks after order confirmation. All shipments are from Qingdao Port, China.
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