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Help CenterFactory Direct MVR Falling Film Evaporator for Wastewater Treatment and Concentration
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As a dedicated manufacturer based in Qingdao, China, Qingdao Conqinphi Environmental Technology Group Co., Ltd. has been at the forefront of industrial wastewater treatment solutions since 2015. With a factory spanning 10,000–30,000 m² and an annual export value of US$10–50 million, we bring unmatched expertise and scale to every project. Our Factory Direct MVR Falling Film Evaporator is engineered to drastically reduce energy consumption while achieving high-concentration results in wastewater treatment and product recovery. By integrating mechanical vapor recompression (MVR) technology with falling film evaporation design, this system offers a sustainable, cost-effective alternative to traditional multi-effect evaporators. Whether you're treating landfill leachate, chemical effluent, or concentrating food processing streams, our evaporator delivers consistent performance with minimal fouling and easy maintenance.
Key Features and Technical Advantages
- Energy Efficiency: The MVR compressor recycles secondary steam, consuming only 1/3 to 1/5 of the energy required by conventional evaporation systems. Typical specific energy consumption is as low as 20–40 kWh per ton of water evaporated.
- Falling Film Design: Liquid flows as a thin film inside vertical tubes, providing high heat transfer coefficients (800–1500 W/m²·K) and minimal residence time, which is ideal for heat-sensitive materials.
- Low Fouling & Scaling: The uniform film distribution and high liquid velocity reduce deposit build-up, extending cleaning intervals and maintaining long-term efficiency.
- Modular & Customizable: Available in evaporation capacities from 500 L/h to 50,000 L/h, with options for single or multiple stages, and materials (304/316L stainless steel, duplex, etc.) tailored to your feed chemistry.
- Fully Automated Control: Equipped with a PLC-based system for precise regulation of temperature, pressure, flow rate, and concentration. Remote monitoring and data logging are available as add-ons.
- Robust Compressor Options: Choose between centrifugal or roots-type compressors, both designed for continuous operation with low vibration and noise levels.
Typical Technical Specifications
| Parameter | Value Range |
| Evaporation Capacity | 500 – 50,000 L/h |
| Operating Temperature | 40 – 100 °C (customizable up to 120°C) |
| MVR Compressor Power | 7.5 – 500 kW |
| Heat Transfer Coefficient | 800 – 1500 W/m²·K |
| Feed Concentration | 0.5 – 30% (depending on application) |
| Outlet Concentration | Up to 60% (or higher with multi-stage) |
| Power Supply | 380V/50Hz (or customized) |
| Material of Construction | SS304, SS316L, Duplex (optional) |
Benefits to Your Operation
- Reduced Operating Costs: With energy recovery, your steam consumption drops by up to 80% compared to single-effect evaporators. The payback period is typically 1–2 years.
- Minimized Effluent Volume: Achieve high concentration ratios, reducing the volume of liquid waste and lowering disposal fees.
- Reliable Low-Temperature Evaporation: The falling film principle allows operation at low temperature differences (2–5°C), protecting sensitive compounds and enabling heat recovery from low-grade heat sources.
- Easy Integration: Compact skid-mounted design simplifies installation; connection to existing utilities is straightforward. Pre-assembled and tested before shipment.
- Compliance & Safety: Designed in accordance with international pressure vessel standards (ASME, PED, etc.). Our factory holds ISO9001, ISO14001, and OHSAS18001 certifications, ensuring consistent quality and worker safety.
Trusted by Global Customers
Backed by over 300 professionals and a 10,000–30,000 m² manufacturing base, Qingdao Conqinphi has delivered MVR evaporators to clients in North America, Europe, Asia, Africa, and Oceania. Our annual export value exceeds US$10 million, reflecting strong international confidence in our technology and after-sales service. Each evaporator undergoes rigorous testing before delivery, and we provide comprehensive installation guidance, commissioning support, and warranty options. We also offer customized solutions for unique feed compositions – simply share your process requirements, and our experienced engineering team will design a system that meets your targets.
Choose our Factory Direct MVR Falling Film Evaporator to achieve sustainable wastewater treatment while maximizing resource recovery. Contact us today for a detailed proposal or to arrange a pilot test.
Frequently Asked Questions (FAQ)
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Q: What is the typical energy saving of MVR compared to traditional evaporators?
A: MVR systems consume only 20–40 kWh per ton of water evaporated, which is 60–80% less than single-effect evaporators. Actual savings depend on operating conditions. -
Q: Can this evaporator handle viscous or fouling liquids?
A: Yes. The falling film design with high liquid velocity reduces fouling. For severe scaling tendencies, we can add circulation pumps or periodic CIP systems. -
Q: What materials are available for wetted parts?
A: Standard materials are SS304 and SS316L. For high chloride or acidic streams, duplex stainless steel, titanium, or other alloys are available upon request. -
Q: What is the minimum and maximum evaporation capacity?
A: Our standard range is 500 L/h to 50,000 L/h per unit. Larger capacities can be achieved by multiple units in parallel. -
Q: Does the system come with a control panel?
A: Yes. Each evaporator includes a PLC-based control panel with touch screen interface. Remote monitoring and SCADA integration are optional. -
Q: How long does delivery take?
A: Typical lead time is 8–12 weeks after order confirmation, depending on capacity and customization level. Expedited options are available. -
Q: Do you offer installation and training?
A: Yes. We provide on-site commissioning supervision and operator training. Technical documentation and spare parts list are included. -
Q: Can I test my specific wastewater with a pilot unit?
A: We have a mobile pilot MVR falling film evaporator available for on-site trials. Contact us to schedule a test with your effluent.
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