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Seawater Desalination Forced Circulation Vacuum Multi-Effect Evaporator
Product Spotlights
Forced circulation design prevents scaling even at high TDS (70,000 ppm); vacuum multi-effect distillation achieves >95% recovery with low energy consumption (thermal as low as 55 kWh/m³). Modular skid-mounted units with PLC auto-control, suitable for seawater desalination, ZLD, and brine concentration. Supported by a 10,000–30,000 m² plant and ISO-certified quality management.
US$ 1870 - 64800
MOQ: 1 Combo
Key Specifications
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Material:
Stainless Steel (SS316L / Duplex)
Capacity:
Customizable (e.g., 50 – 5000 m³/day)
Application:
Seawater Desalination, Industrial Brine Treatment
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao
Delivery Detail:
50 days
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Material
Stainless Steel (SS316L / Duplex)
Capacity
Customizable (e.g., 50 – 5000 m³/day)
Application
Seawater Desalination, Industrial Brine Treatment
Model
CQ-MED Series (Customizable)
Vacuum Level
≥ -0.09 MPa
Operating Temperature
65°C – 85°C (Low Temperature)
Power Consumption
Optimized per design (kWh/m³)
Control System
PLC + HMI Automatic Control
Certifications
ISO9001, ISO14000, OHSAS18001, HACCP, etc.
Color
Customizable per customer request
Qingdao Conqinphi Environmental Technology Group Co., Ltd., established in 2015 with a factory area of 10,000–30,000 m², presents our advanced Seawater Desalination Forced Circulation Vacuum Multi-Effect Evaporator. This system is engineered to convert high-salinity seawater into fresh water with exceptional efficiency and reliability. By combining forced circulation technology with vacuum multi-effect distillation, our evaporator minimizes scaling and fouling while maximizing water recovery rates—delivering a robust solution for coastal communities, industrial parks, and marine vessels. With over 200 skilled employees and annual export value exceeding US$10 million, we ensure every unit meets rigorous international standards.
Key Features & Technical Advantages
- Forced Circulation Design: Prevents salt crystallization and scaling on heat transfer surfaces, ensuring long-term stable operation even with high-TDS feed water (up to 70,000 ppm).
- Vacuum Multi-Effect Operation: Utilizes low-temperature evaporation (65–85°C) under vacuum, significantly reducing thermal energy consumption and corrosion risks.
- High Water Recovery Rate: Achieves >95% recovery in typical seawater desalination applications, minimizing brine discharge volume.
- Modular & Compact Layout: Pre-assembled skid-mounted design reduces on-site installation time and footprint—ideal for remote or space-limited locations.
- PLC + HMI Automatic Control: Real-time monitoring of temperature, pressure, flow, and conductivity; one-touch start/stop with alarm and data logging capabilities.
- Energy-Saving Configuration: Integrated heat recovery system cuts operational costs by up to 30% compared to conventional MED units.
- Durable Material Selection: Main wetted parts in SS316L or Duplex stainless steel, with optional titanium or super duplex for aggressive brine conditions.
- Multi-Feed Compatibility: Capable of processing seawater, brackish water, reverse osmosis reject, and industrial wastewater.
| Parameter | Specification |
|---|---|
| Feed Water TDS Range | Up to 70,000 mg/L (higher on request) |
| Product Water Quality | TDS < 10 mg/L (potable grade) |
| Operating Vacuum (absolute) | 0.01 – 0.1 MPa |
| Number of Effects | 3 – 8 effects (customizable) |
| Unit Power Consumption | 0.8 – 1.5 kWh/m³ (mechanical) |
| Thermal Energy Consumption | 55 – 85 kWh_th/m³ (steam) |
| Certification Compliance | ISO9001, ISO14000, OHSAS18001, HACCP |
Customer Benefits
- Lower Operational Costs: Reduced scaling means fewer chemical cleaning cycles and extended equipment life.
- Environmental Compliance: Meets zero-liquid-discharge (ZLD) requirements where needed, with minimal environmental footprint.
- Ease of Maintenance: Accessible heat exchanger bundles and modular design simplify inspection and replacement.
- Scalable Capacity: Multiple units can be combined for large-scale projects with minimal redesign.
- Global Support: From Qingdao port, we ship worldwide; our service team provides installation supervision, commissioning, and 24/7 remote assistance.
As a manufacturer with ISO9001, ISO14000, OHSAS18001, and other certifications, Qingdao Conqinphi Environmental Technology Group Co., Ltd. has delivered over 200 industrial water treatment projects across North America, Europe, Southeast Asia, the Middle East, and Africa. Our factory spanning 10,000–30,000 m² is equipped with advanced fabrication capabilities, ensuring strict quality control. With annual export value exceeding US$10 million and a dedicated R&D team, we continuously innovate to provide cost-effective and reliable seawater desalination solutions. We invite you to contact our technical experts for a customized proposal that fits your water supply needs.
Frequently Asked Questions
-
Q: What makes forced circulation better than falling film for seawater?
A: Forced circulation prevents salt crystallization on heat surfaces, ideal for high-salinity feed; falling film may suffer scaling above 40,000 ppm TDS. -
Q: Can this system treat brine from reverse osmosis?
A: Yes, it can process RO reject brine (up to 70,000 ppm) to achieve further water recovery and reduce disposal volume. -
Q: What is the typical delivery time for a standard unit?
A: Delivery time ranges 60–90 days after order confirmation, depending on capacity and customization level. -
Q: Does the system require special civil works?
A: Our skid-mounted design only needs a flat concrete base; all piping and electrical connections are pre-fabricated. -
Q: How often is chemical cleaning required?
A: With proper operation and brine concentration control, cleaning intervals can exceed 6 months. -
Q: What power supply is required?
A: Standard 380V/50Hz or 480V/60Hz, three-phase; other voltages available upon request. -
Q: Do you provide after-sales service overseas?
A: Yes, we offer remote monitoring, spare parts supply, and on-site technical support through our global partners.
Send Inquiry to This Supplier
Miss scarlet
Sales
1Yr
Qingdao, Shandong, China
1Yr
Business Type
Manufacturer
Year Established
2015
Factory Size
10,000-30,000 square meters
Annual Export Value
US$10 Million - US$50 Million
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