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Help CenterEnergy-Saving MVR Evaporation Crystallization System, 304 Stainless Steel, Automatic Operation, 220V/50Hz
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Welcome to Qingdao Conqinphi Environmental Technology Group Co., Ltd. — a trusted manufacturer since 2015, specializing in advanced evaporation and crystallization solutions. Our Energy-Saving MVR (Mechanical Vapor Recompression) Evaporation Crystallization System is engineered to reduce energy consumption by up to 60% compared to traditional evaporators, while delivering consistent, high-purity crystalline output. Built with 304 stainless steel and featuring fully automatic operation, this system is ideal for industries requiring efficient concentration and recovery of valuable by-products from wastewater or process streams.
With a factory size of 10,000–30,000 square meters and an annual export value exceeding US$10 million, we serve clients across North America, Europe, Southeast Asia, and beyond. Our MVR crystallization system combines cutting-edge vapor recompression technology with robust automation, ensuring minimal operator intervention and maximum uptime. Below, we detail the system's core features and technical specifications.
Key Features & Benefits
- Energy-Saving MVR Technology: Recycles vapor latent heat, reducing steam consumption by 60–80%. Typical energy cost savings over traditional multiple-effect evaporators.
- 304 Stainless Steel Construction: Corrosion-resistant and compliant with food-grade and pharmaceutical-grade standards (HACCP option available). Long service life with minimal maintenance.
- Fully Automatic PLC Control: Touchscreen interface for real-time monitoring of temperature, pressure, flow rate, and crystal slurry density. Auto-adjustment for varying feed compositions.
- Low Operating Temperature: Operates at 60–90°C, ideal for heat-sensitive materials. Reduces scaling and fouling.
- Compact Footprint: Modular design integrates evaporator, separator, compressor, and crystal collection system in a single skid. Saves floor space.
- Customizable Capacity: From 1 ton/day to 100 tons/day evaporation capacity. Tailored to specific wastewater characteristics (TDS, pH, viscosity).
Technical Specifications
| Parameter | Value |
| Material | 304 Stainless Steel (316L optional) |
| Power Supply | 220V / 50Hz (3-phase, other voltages available) |
| Operation Mode | Automatic (PLC + HMI) |
| Evaporation Temperature | 60–90°C (adjustable) |
| Compressor Type | Centrifugal or Roots blower (model-dependent) |
| Control System | Siemens or Schneider PLC |
| Crystal Discharge | Continuous or batch, with centrifugal dewatering |
| Certification Options | ISO9001, ISO14000, OHSAS18001, CE, HACCP |
Detailed Description
The MVR evaporation crystallization system operates by compressing the vapor generated during evaporation, raising its temperature and pressure, then reintroducing it as a heating medium. This closed-loop process drastically reduces external steam demand, achieving specific energy consumption as low as 20–30 kWh per ton of water evaporated. The system includes:
- Evaporator: Falling film or forced circulation design to handle high-fouling or scaling liquids.
- Vapor Compressor: High-efficiency centrifugal blower with variable frequency drive for precise pressure control.
- Crystallizer: Draft tube baffle (DTB) or Oslo type for controlled crystal growth, achieving consistent particle size.
- Separator: Cyclone or gravity separation to remove entrained liquid from vapor.
- Control System: Remote monitoring via SCADA, data logging, and alarm functions for 24/7 operation.
Typical applications include zero liquid discharge (ZLD) systems, brine concentration in the chemical and pharmaceutical industries, sugar and dairy concentration, and recovery of salts such as sodium sulfate, ammonium sulfate, and sodium chloride. The 304 stainless steel construction ensures compatibility with most neutral to slightly acidic streams; for highly corrosive media, 316L or duplex steel is optional.
Customer Benefits
| Challenge | Our Solution |
| High energy costs | MVR technology reduces energy consumption by 60–80% compared to multi-effect evaporators. |
| Manual operation & labor | Fully automatic PLC system reduces operator intervention by 90%. |
| Scaling & fouling | Low temperature operation and forced circulation minimize scaling; CIP system available as upgrade. |
| Product purity | Controlled crystallization yields consistent crystal size and high purity (up to 99.5%). |
Why Choose Qingdao Conqinphi?
We are a professional manufacturer with 10 years of industry experience, a factory spanning over 10,000 square meters, and a dedicated R&D team of 30+ engineers. Our products have been exported to 50+ countries, with annual exports exceeding US$10 million. We hold certifications including ISO9001, ISO14000, OHSAS18001, HACCP, and CE (optional), ensuring global compliance. Our after-sales service includes installation guidance, spare parts supply, and remote technical support available 24/7.
Clients from diverse sectors — including chemical, pharmaceutical, food & beverage, and mining — have successfully implemented our MVR systems to achieve zero liquid discharge and recover valuable salts. With a team of 201–300 skilled employees and a strong supply chain, we guarantee timely delivery and competitive pricing. Contact us today for a customized design and quotation.
Ready to reduce your evaporation energy costs? Request a detailed proposal or schedule a video call to see our MVR system in action. We look forward to partnering with you for a sustainable future.
Frequently Asked Questions
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Q: What is the typical payback period for an MVR system?
A: Based on energy savings alone, most clients achieve payback within 1–3 years. Exact period depends on local electricity/steam prices and operating hours. Our sales engineers can perform a free ROI analysis. -
Q: Can the system handle high-salinity brine (e.g., TDS > 200,000 ppm)?
A: Yes. For high TDS brines, we recommend forced circulation evaporators with specialized anti-scaling coatings. We have successfully treated brine up to 250,000 ppm. -
Q: What maintenance is required?
A: Routine inspection of compressor seals, cleaning of heat exchanger surfaces (CIP optional), and occasional replacement of mechanical seals. We provide a comprehensive maintenance manual and remote diagnostics. -
Q: Is the 220V/50Hz power supply standard?
A: The standard model is designed for 220V/50Hz three-phase. We offer 380V/50Hz, 460V/60Hz, and other voltages upon request. Please specify your local power supply when ordering. -
Q: Can I recover multiple salt products from a mixed brine?
A: Yes, by using fractional crystallization with controlled temperature and concentration. Our systems can be configured with multiple stages to sequentially recover different salts like NaCl, Na₂SO₄, and KCl. -
Q: Do you provide installation and training?
A: Yes. We offer on-site supervision during installation and commissioning (travel expenses at customer cost) along with remote training and detailed documentation. A 1-year warranty covers defects in materials and workmanship. -
Q: What certifications does the system have?
A: Our manufacturing facility is ISO9001, ISO14000, and OHSAS18001 certified. The system can be CE-marked and HACCP-certified upon request. Clients may also request ASME or other local code compliance. -
Q: How long is the delivery lead time?
A: Typical lead time is 45–60 days after receiving 30% deposit and finalizing technical specification. Larger systems may require 90 days. We expedite orders for urgent projects.
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