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Help CenterVacuum Evaporator MVR Crystallization Equipment for Metal Smelting Wastewater Recovery
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Welcome to Qingdao Conqinphi Environmental Technology Group Co., Ltd., a leader in environmental solutions since 2015. Our Vacuum Evaporator MVR Crystallization Equipment for Metal Smelting Wastewater Recovery is designed to tackle the most challenging industrial effluents, turning waste into valuable resources. As a manufacturer with a 10,000-30,000 square meter facility and annual exports exceeding US$10 million, we deliver high-performance equipment trusted worldwide.
This system integrates mechanical vapor recompression (MVR) technology with advanced crystallization, enabling efficient recovery of metals and clean water from smelting wastewater. It significantly reduces energy consumption compared to traditional evaporators, often achieving energy savings of up to 60-80%. Perfect for metal smelters, refineries, and hydrometallurgical plants.
Our equipment is customizable to your specific flow rates and water chemistry. With PLC control, remote monitoring options, and robust construction, it ensures long service life with minimal maintenance. We provide full technical support, from feasibility studies to installation and commissioning.
Key Features & Specifications
- MVR Technology: Reuses vapor compression to drastically reduce steam demand.
- Vacuum Operation: Low temperature evaporation minimizes scaling and corrosion.
- Crystallization Section: Forced circulation or fluidized bed design for pure crystal recovery.
- Material Options: Stainless steel 316L, duplex stainless steel, or titanium alloy for harsh environments.
- Automation: Siemens or Allen-Bradley PLC with HMI touch screen.
- Compliance: Designed to meet ISO9001, ISO14000, OHSAS18001 standards.
| Parameter | Value / Range |
|---|---|
| Evaporation Capacity | 1 – 200 m³/day (customizable) |
| Operating Temperature | 40 – 100 °C (under vacuum) |
| Power Consumption | 15 – 80 kW/h per ton of water removed |
| Recovery Rate | Water recovery >85%; metal recovery >90% (depending on feed) |
| Crystal Purity | Typically >95% (adjustable via washing) |
| Materials of Construction | SS304, SS316L, Duplex 2205, Titanium (optional) |
| Control System | PLC + HMI, remote SCADA option |
| Warranty | 1 year standard, extended available |
Advantages for Your Business
- Reduce operating costs: MVR cuts energy costs by 60-80% over traditional steam-driven evaporators.
- Zero liquid discharge (ZLD) possible: Our system can be configured to achieve ZLD, eliminating wastewater discharge fees.
- Recover valuable metals: Crystallization yields saleable by-products like copper sulfate, zinc sulfate, or nickel salts.
- Minimal downtime: Automatic cleaning cycles and anti-scaling design keep the plant running.
- Scalable and modular: Expand capacity by adding modules – no need for complete system replacement.
Why Choose Qingdao Conqinphi Environmental Technology Group?
Since 2015, we have grown from a local manufacturer to an international supplier with 201-300 skilled employees and a factory spanning 10,000-30,000 square meters. Our annual export value exceeds US$10 million, serving markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. We hold multiple certifications including ISO9001, ISO14000, OHSAS18001 and others, ensuring every unit meets global quality standards.
Our Vacuum Evaporator MVR Crystallization Equipment is already operational in over 50 smelting plants worldwide, handling wastewater with high salinity, heavy metals, and complex chemistries. We provide comprehensive after-sales support, spare parts inventory, and remote troubleshooting.
Ready to improve your wastewater recovery and reduce costs? Contact us today for a free consultation and customized proposal. Our engineers are ready to design a solution tailored to your smelting waste stream.
Frequently Asked Questions
1. What type of wastewater can this equipment handle?
It is specifically designed for metal smelting wastewater containing heavy metals (Cu, Zn, Ni, Co, etc.), high TDS, and acidic or alkaline components. It also works for electroplating, mining, and chemical process streams.
2. What is the typical energy consumption per ton of water evaporated?
For MVR technology, power consumption ranges from 20 to 60 kWh per ton of water, depending on salt concentration, temperature, and system design. This is much lower than traditional multi-effect evaporators (which can consume 80-200 kWh equivalent steam).
3. Can I recover specific metal crystals separately?
Yes, by adjusting operating conditions and using selective crystallization or fractional crystallization, you can recover individual metal salts. Our team can perform lab tests to optimize your process.
4. How long does installation and commissioning take?
Typical lead time is 6-12 weeks after order, and on-site installation/commissioning takes 2-4 weeks depending on site readiness and system complexity.
5. What certifications does the equipment have?
Our equipment is manufactured under ISO9001:2015 quality management system and meets ISO14000 environmental standards. Additional certifications like CE, ASME, or ATEX are available upon request at extra cost.
6. What is the minimum flow rate or capacity?
We can design systems as small as 1 m³/day for pilot studies and up to 200 m³/day for industrial plants. Custom sizes are available.
7. Do you offer spare parts and service support globally?
Yes, we have a network of authorized service partners and maintain an inventory of common spare parts. Remote diagnostics and online support are included with every system.
8. How do I get a quotation for my specific project?
Please provide us with your wastewater analysis (pH, TDS, composition, flow rate) and desired recovery goals. Our technical team will prepare a tailored proposal and quotation within 3-5 business days.
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