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Qingdao Conqinphi Environmental Technology Group Co., Ltd. is a professional manufacturer specialized in industrial wastewater evaporation systems since 2015. Our Multi-Effect Falling Film Vacuum Forced Circulation MVR Evaporator integrates advanced multi-effect falling film technology, forced circulation, and mechanical vapor recompression (MVR) to achieve high-efficiency, low-energy wastewater concentration and zero liquid discharge (ZLD). With a factory area of 10,000-30,000 m² and annual export value exceeding US$10 million, we deliver reliable solutions for global clients across various industries.
This evaporator is designed to handle challenging wastewater streams containing high salinity, high viscosity, or scaling tendencies. By combining falling film evaporation under vacuum with forced circulation, it ensures excellent heat transfer and reduced fouling. The MVR system recycles latent heat, cutting energy consumption by up to 80% compared to traditional evaporation methods. Whether you need to concentrate brine, landfill leachate, chemical effluent, or food processing wastewater, this system offers customizable configurations tailored to your specific requirements.
Key Features & Technical Specifications
- Multi-Effect Design: Up to 4 effects maximize steam economy, reducing operating costs.
- Falling Film Mode: Thin liquid film on vertical tubes ensures high heat transfer coefficient and short residence time, minimizing thermal degradation.
- Forced Circulation: Prevents scaling and fouling in high-solids applications; suitable for fluids with suspended solids up to 10%.
- Vacuum Operation: Low boiling point allows treatment of heat-sensitive substances and reduces energy demand.
- MVR Compressor: Efficient steam recompression (centrifugal or roots type) reduces fresh steam consumption to near zero.
- Fully Automated Control: PLC + HMI system monitors temperature, pressure, flow, and concentration in real time, ensuring stable operation with minimal manual intervention.
- Customized Materials: Available in SS304, SS316L, duplex stainless steel, or titanium alloy depending on corrosion and temperature requirements.
- Compact Footprint: Skid-mounted or modular design simplifies installation and reduces site work.
Technical Parameters (Typical)
| Parameter | Value / Range |
|---|---|
| Evaporation capacity | 1 – 100 t/h (customizable) |
| Number of effects | 1 – 4 |
| Operating vacuum | -0.05 ~ -0.09 MPa |
| Evaporation temperature | 40 – 90 °C (adjustable) |
| Concentrate solids content | Up to 50% (depending on feed) |
| Steam consumption (MVR mode) | 0.01 – 0.1 kg steam / kg water evaporated |
| Power consumption | 30 – 150 kWh per ton of evaporated water |
Advantages for Your Business
- Energy saving: MVR technology reduces operating costs significantly – typical payback period under 2 years.
- Reliable anti-scaling design: Forced circulation prevents buildup, extending cleaning intervals and increasing uptime.
- Versatile feed handling: Suitable for high TDS (up to 200,000 mg/L), high COD, and even oily wastewaters.
- Modular & scalable: Units can be combined for larger capacities or multi-stage ZLD systems.
- Compliance made easy: Achieve strict discharge standards or generate high-quality distillate for reuse.
- Remote monitoring: Optional IoT connectivity for real-time performance tracking and predictive maintenance.
Trust & Quality Assurance
Qingdao Conqinphi has been serving global markets including North America, South America, Europe, Middle East, Africa, and Oceania since 2015. Our factory is equipped with advanced manufacturing and testing facilities, covering an area of over 10,000 square meters. We hold multiple management system certifications (ISO9001, ISO14000, OHSAS18001, etc.) and adhere to strict quality control procedures. Our annual export value of US$10–50 million reflects the confidence customers place in our products. All evaporators undergo factory acceptance tests before shipment from Qingdao port. We provide comprehensive technical support, on-site commissioning, and after-sales service to ensure your system operates at peak performance.
Invest in our Multi-Effect Falling Film Vacuum Forced Circulation MVR Evaporator to transform your industrial wastewater treatment from a cost center into a sustainable operation. Contact us today for a customized proposal and detailed engineering data. Let our expertise help you achieve water recycling, salt recovery, and zero liquid discharge with unmatched efficiency.
Frequently Asked Questions (FAQ)
Q1: What types of wastewater can this evaporator handle?
A: It is designed for high-salinity, high-COD, and scaling-prone industrial wastewaters such as landfill leachate, chemical effluent, textile dyeing wastewater, desulfurization wastewater, and RO concentrate. For specific feed compositions, we recommend a pilot test.
Q2: What is the typical energy consumption compared to traditional evaporation?
A: Our MVR evaporator consumes only 30–150 kWh of electricity per ton of water evaporated, versus 0.4–1.0 ton of steam in conventional systems – a reduction of up to 80% in primary energy.
Q3: How do you prevent scaling and fouling?
A: The forced circulation design maintains high flow velocity across heat transfer surfaces, preventing solid deposition. In addition, we can integrate online cleaning systems and choose appropriate materials (e.g., Teflon coating) for extreme cases.
Q4: What is the maximum solids concentration achievable in the concentrate?
A: It depends on the feed characteristics, but typically up to 50% total solids. For slurries that can be further dried by a crystallizer or spray dryer, we can design a complete ZLD train.
Q5: Can the system be customized for a specific capacity?
A: Absolutely. We offer capacities from 1 t/h to 100 t/h (single unit). Multiple units can be combined for larger projects. All parameters such as number of effects, vacuum level, and compressor type are adjustable.
Q6: What certifications does your company hold?
A: We are certified under ISO9001, ISO14000, OHSAS18001, and other management systems. Specific product certifications can be provided upon request. Our factory complies with international standards.
Q7: What is the delivery time and shipping port?
A: Typical lead time is 60–90 days depending on configuration. All shipments are from Qingdao port, China. We offer comprehensive logistics support.
Q8: Do you provide after-sales service and spare parts?
A: Yes, we provide on-site commissioning, operator training, and a 12-month warranty. Spare parts are available for quick delivery. Our after-sales team is reachable 24/7 via email or phone.
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