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Help CenterForced Circulation MVR Evaporator, Energy Saving, 150kW, for Brackish Water Treatment
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Qingdao Conqinphi Environmental Technology Group Co., Ltd. proudly presents our Forced Circulation MVR Evaporator (150kW), an advanced solution for brackish water treatment that combines high efficiency with exceptional energy savings. With over 9 years of manufacturing experience, a factory spanning 10,000-30,000 square meters, and a dedicated team of 201-300 employees, we design and produce this evaporator to meet the rigorous demands of industrial desalination and wastewater concentration. Our MVR (Mechanical Vapor Recompression) technology minimizes steam consumption by up to 80% compared to traditional multi-effect evaporators, reducing operational costs while delivering consistent, reliable performance for brackish water treatment applications worldwide.
Key Features and Technical Specifications
- Forced Circulation Design – Ensures high heat transfer coefficients and prevents scaling or fouling in brackish water with high total dissolved solids (TDS).
- Mechanical Vapor Recompression (MVR) – Uses a compressor to recompress vapor, recovering latent heat and drastically reducing energy input. Typical electricity consumption is only 15-30 kWh per ton of water evaporated.
- 150kW Compressor Power – Suitable for medium to large capacity treatment, with evaporation capacity customizable from 5,000 L/h up to 20,000 L/h depending on water composition and temperature.
- Stainless Steel Construction – Standard material is SS304 or SS316L (optional) to resist corrosion from brackish water and brines.
- PLC Auto Control System – Touch-screen interface with real-time monitoring of temperature, pressure, flow, and concentration. Fully automatic operation with safety interlocks.
- Compact Footprint – Skid-mounted or modular design for easy installation and maintenance in limited spaces.
- Versatile Application – Effective for brackish water desalination, industrial wastewater concentration, brine treatment, and resource recovery.
- Low Operating Temperature – Typically operates at 70–100°C, reducing thermal degradation and allowing use of waste heat.
Technical Specifications (Typical parameters, customizable)
| Parameter | Value |
| Evaporation Capacity | 5,000 – 20,000 L/h (adjustable) |
| Power Consumption (per ton water) | 15 – 30 kWh |
| Operating Temperature | 70 – 100°C (max 120°C) |
| Operating Pressure | Atmospheric to slight vacuum |
| Compressor Type | Centrifugal or Roots (optional) |
| Material of Construction | SS304 / SS316L / Duplex (optional) |
| Control System | PLC + HMI (Siemens / Mitsubishi optional) |
| Feed Water TDS Range | Up to 50,000 ppm (brackish water) |
| Recovery Rate | ≥ 90% (depending on scaling potential) |
How It Works – The forced circulation MVR evaporator pumps brackish water through heat exchanger tubes where it is heated by recycled vapor. A compressor raises the pressure and temperature of the separated vapor, then returns it to the heating side to condense and release latent heat. This closed-loop process requires only electrical energy for the compressor, making it one of the most energy-efficient evaporation technologies available. The concentrated brine is discharged continuously or in batches, while the distillate is collected as high-quality fresh water.
Advantages for Customers
- Up to 80% Energy Saving compared to conventional thermal evaporators – lower electricity bills and faster payback.
- Minimal Chemical Usage – no need for large amounts of antiscalants or pretreatment chemicals, reducing operational complexity.
- High Recovery of Fresh Water – ideal for arid regions or industrial water reuse, turning brackish water into a valuable resource.
- Simple Maintenance – forced circulation prevents scale deposition, and all wetted parts are accessible for cleaning.
- Environmentally Friendly – reduced carbon footprint compared to steam-driven evaporators; zero liquid discharge (ZLD) can be achieved with additional concentration.
- Customizable Design – we adapt the evaporator to your specific feed water quality, capacity requirements, and site conditions.
Trusted Quality and Global Service
Established in 2015, Qingdao Conqinphi Environmental Technology Group Co., Ltd. has grown into a leading manufacturer with an annual export value of US$10 million – US$50 million. Our products are shipped from Qingdao port to markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, and more. We hold multiple certifications including ISO9001, ISO14000, OHSAS18001, HACCP, TL900, QS9000, SA8000, among others, ensuring strict quality control and safety standards. Our experienced engineering team provides comprehensive after-sales support, from installation supervision to remote troubleshooting. With over 200 employees and a large factory, we have the capacity to deliver multiple units simultaneously. Contact us today to discuss your brackish water treatment project and discover how our Forced Circulation MVR Evaporator can reduce your operating costs while meeting environmental regulations.
Frequently Asked Questions
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Q1: What is the typical payback period for this MVR evaporator?
A: The payback period depends on local electricity prices, water volume, and current disposal costs. Typically it ranges from 1 to 3 years due to significant energy savings. -
Q2: Can this unit handle seawater or just brackish water?
A: It is designed for brackish water with TDS up to 50,000 ppm. For higher salinity (e.g., seawater >35,000 ppm), we can adjust the design and material selection. -
Q3: What maintenance is required?
A: Regular inspection of the compressor, cleaning of the heat exchanger surfaces (though forced circulation minimizes fouling), and checking of seals and instrumentation. Detailed schedule provided in the manual. -
Q4: Is the system fully automated?
A: Yes, the PLC control system manages start-up, operation, shutdown, and alarm conditions. Remote monitoring is available as an option. -
Q5: What is the lifespan of the compressor?
A: With proper maintenance, the compressor (centrifugal or Roots type) can last 8-10 years or more. Spare parts are readily available. -
Q6: Do you provide installation and training?
A: Yes, we offer on-site installation supervision and operator training. We also provide technical documentation in multiple languages. -
Q7: Can the unit be integrated with an existing evaporation system?
A: Yes, our MVR evaporator can be used as a standalone unit or retrofitted to existing thermal evaporators to improve efficiency. -
Q8: What are the dimensions and weight of a typical 150kW unit?
A: Dimensions vary with capacity; a typical unit for 10,000 L/h is about 8m (L) x 3m (W) x 4m (H) and weighs approximately 12 tons. Please contact us for a detailed drawing.
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