Vacuum MVR Industrial Crystallizer for Salt Separation and Recovery
Product Spotlights
Product Overview
As a leading manufacturer based in Qingdao, China, Qingdao Conqinphi Environmental Technology Group Co., Ltd. has been dedicated to the R&D and production of industrial crystallization solutions since 2015. Our Vacuum MVR Industrial Crystallizer for Salt Separation and Recovery is designed to efficiently separate and recover high-purity salt from various industrial brines, waste streams, and chemical solutions. With an annual export value of US$10-50 million and a factory covering 10,000-30,000 square meters, we combine advanced manufacturing capabilities with rigorous quality control to deliver reliable, energy-saving equipment for global clients.
Detailed Product Features and Technical Specifications
This crystallizer utilizes Mechanical Vapor Recompression (MVR) technology combined with a vacuum environment to significantly reduce energy consumption. Compared to traditional multi-effect evaporation, MVR achieves up to 70-80% energy savings by recycling compressed vapor as heating steam. The vacuum system lowers the boiling point of the solution, allowing operation at lower temperatures and reducing scaling and corrosion risks.
Key Features:
- High Energy Efficiency: MVR compressor reuses latent heat, minimizing steam and cooling water usage.
- Automated Operation: PLC + HMI touchscreen control for precise temperature, pressure, and crystal size management.
- Corrosion-Resistant Construction: Main contact parts made of 316L stainless steel or higher-grade alloys for longevity.
- Customizable Capacity: From pilot-scale (1 t/h) to industrial-scale (50 t/h) available with modular design.
- Low Fouling Design: Internal agitation and optimized flow pattern reduce scaling, extending cleaning intervals.
- Compact Footprint: Integrated skid-mounted structure saves installation space and simplifies on-site setup.
Technical Parameters (Example for a mid-range model):
| Parameter | Value |
| Processing Capacity (salt output) | 2-10 t/d |
| Operating Temperature | 50-90 °C (adjustable) |
| Vacuum Degree | -0.05 ~ -0.09 MPa |
| Compressor Power | 30-250 kW |
| Evaporation Temperature Rise | 8-15 °C |
| Crystal Purity | ≥ 99% (depending on feed) |
| Material | SS316L / Hastelloy (optional) |
Benefits for Your Operation
- Reduce operational costs: lower steam and electricity consumption directly improves your bottom line.
- Meet environmental regulations: effectively separate salts from wastewater, enabling zero-liquid-discharge (ZLD) strategies.
- Reliable crystal quality: consistent particle size and purity for reuse or resale.
- Easy maintenance: modular components and remote monitoring support reduce downtime.
Company Strengths & Trust Indicators
With over 9 years of manufacturing experience, our team of 201-300 employees operates a state-of-the-art facility spanning 10,000-30,000 sqm. We hold multiple certifications including ISO9001, ISO14001, OHSAS18001 and others, ensuring every product meets international standards. Our products have been shipped to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East, among other regions. Many clients have repeatedly ordered our MVR crystallizers due to their durability and efficiency. We offer comprehensive after-sales support, including installation guidance, commissioning, and spare parts supply. Contact us today to discuss your specific salt separation and recovery requirements – we provide free technical consultation and customized solutions.
Frequently Asked Questions (FAQ)
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Q: How does the MVR crystallizer save energy compared to traditional methods?
A: MVR technology recycles the latent heat of vapor by compressing secondary steam, reducing external steam consumption by up to 80%. The vacuum further lowers boiling points, enhancing thermal efficiency. -
Q: Which types of salt can be recovered using this crystallizer?
A: It is suitable for common salts such as NaCl, Na₂SO₄, KCl, MgSO₄, and many other soluble salts from industrial brines, chemical wastewater, or seawater desalination concentrates. -
Q: What is the typical maintenance schedule?
A: Regular inspection every 3-6 months is recommended, including cleaning of heat exchange surfaces, checking compressor oil, and replacing seals. Our design minimizes fouling, extending cleaning intervals. -
Q: Can the crystallizer handle varying feed concentrations?
A: Yes, the PLC control system adjusts operating parameters (temperature, vacuum, compressor speed) automatically to maintain stable crystallization even with fluctuating inlet conditions. -
Q: What certifications does your company hold?
A: We are certified with ISO9001, ISO14001, OHSAS18001, HACCP, TL900, and others, ensuring quality management and safety standards. Specific certifications can be provided upon request. -
Q: What is the delivery time for a standard industrial unit?
A: Typical lead time is 60-90 days after order confirmation, depending on capacity and customization. We can expedite for urgent projects with prior arrangement. -
Q: Do you provide installation and training services?
A: Yes, we offer on-site commissioning guidance and operator training. Remote video support is also available for minor adjustments. -
Q: Can the crystallizer be integrated with existing wastewater treatment systems?
A: Absolutely. Our equipment is designed for easy integration; we provide engineering support to ensure seamless connection with your current piping and control systems.
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