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Help CenterMVR Evaporation Crystallizer for Petrochemicals, Ternary Lithium, Metallurgy, Food and Pesticides
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Welcome to Qingdao Conqinphi Environmental Technology Group Co., Ltd. – a dedicated manufacturer specializing in advanced MVR (Mechanical Vapor Recompression) evaporation crystallization systems. Since our establishment in 2015, we have been engineering robust solutions for complex industrial separation challenges, serving sectors such as petrochemicals, ternary lithium battery recycling, metallurgy, food processing, and pesticide manufacturing. Our MVR Evaporation Crystallizer is engineered to deliver high-efficiency, low-energy crystallization, enabling you to recover valuable solids and reduce liquid waste volume significantly. With a factory spanning 10,000-30,000 square meters and a team of 201-300 professionals, we combine deep technical expertise with scalable production capabilities to meet global demand.
This state-of-the-art crystallization system utilizes mechanical vapor recompression technology to dramatically cut energy consumption compared to traditional multiple-effect evaporators. It is the ideal choice for treating high-concentration brines, acidic waste streams, and heat-sensitive materials. Whether you need to concentrate lithium sulfate liquor, recover sodium chloride from petrochemical effluent, or produce crystalline food ingredients, our custom-designed MVR crystallizer offers unmatched reliability and operational flexibility.
Key Features & Technical Specifications
- Energy Efficiency: Consumes 70%-90% less electrical energy than standard evaporation systems by compressing and reusing vapor. Typical specific power consumption is only 20-50 kWh per ton of evaporated water.
- Wide Application Compatibility: Handles liquids with high boiling point elevation, scaling tendency, and corrosive nature. Materials of construction include SS316L, duplex stainless steel, titanium, and custom alloys.
- Modular & Scalable Design: Single-unit evaporation capacities range from 1 T/h to 100 T/h. Multiple units can be combined for larger throughput.
- Automatic Control: Integrated PLC and HMI system allows precise regulation of temperature, pressure, and crystal slurry density. Remote monitoring and data logging are available.
- Low Maintenance: Anti-scaling and anti-fouling designs (e.g., forced circulation, draft tube baffle) ensure continuous operation with minimal downtime.
- Environmental Compliance: Closed-loop operation minimizes emissions and odors. Suitable for zero liquid discharge (ZLD) projects.
| Parameter | Specification |
|---|---|
| Evaporation temperature | 55°C – 105°C (adjustable) |
| Operating pressure | -0.08 MPa to 0.05 MPa (gauge) |
| Vapor compressor type | Centrifugal or Roots blower (oil-free) |
| Heating surface material | SS316L, Titanium, Hastelloy (optional) |
| Crystallization mode | Forced circulation or draft tube baffle (DTB) |
| Final crystal size | 0.1 – 2.0 mm (controllable) |
| Power supply | 380V / 50Hz or 480V / 60Hz (custom) |
Advantages for Your Industry
- Petrochemicals: Efficiently concentrate and crystallize brine from refinery wastewater, recovering sodium sulfate or other salts for reuse.
- Ternary Lithium (Battery Recycling): Precisely separate lithium, nickel, cobalt, and manganese sulfates by controlling crystallization temperature and supersaturation.
- Metallurgy: Treat acidic metal-laden effluents (e.g., copper, zinc) and produce high-purity metal salt crystals.
- Food Industry: Gentle evaporation for heat-sensitive products like fruit juice concentrates, dairy permeates, and sugar syrups. Optional CIP cleaning.
- Pesticides: Concentrate active ingredient solutions and crystallize intermediates under vacuum, reducing thermal degradation.
Why Choose Qingdao Conqinphi? Our commitment to quality is backed by international certifications including ISO9001, ISO14000, OHSAS18001 (management systems), as well as HACCP for food safety application. We hold multiple patents in MVR compressor design and anti-scaling heat exchanger technology. With an annual export value exceeding US$ 10 million and a presence across all continents, we have delivered over 200 crystallization systems worldwide. Our factory is equipped with advanced CNC machining, welding, and testing facilities to ensure each unit meets the highest standards.
Every MVR Evaporation Crystallizer is subject to rigorous performance testing before shipment. Our after-sales service includes on-site commissioning, operator training, and a 12-month warranty. We also provide remote technical support via IoT connectivity. Contact us today to discuss your specific evaporation and crystallization needs – our engineering team will propose an optimized solution with a clear quotation.
Frequently Asked Questions
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Q1: What is the typical energy consumption of your MVR crystallizer?
A: For most applications, our system consumes 20-50 kWh per ton of evaporated water. The exact value depends on the boiling point elevation of the feed liquid. We provide guaranteed figures based on your specific stream analysis. -
Q2: Can your equipment handle highly corrosive feed like hydrochloric acid or fluoride?
A: Yes. We can fabricate the evaporator body and heat exchanger with corrosion-resistant materials such as titanium, Hastelloy C-276, or PTFE-lined components. Please provide the chemical composition so we can suggest the optimal alloy. -
Q3: What is the minimum and maximum capacity you offer?
A: Our standard units cover from 1 ton per hour to 100 tons per hour of water removal. For larger capacities, we design parallel trains. Smaller pilot units (0.1-1 T/h) are also available for testing. -
Q4: Do you provide a complete skid-mounted package?
A: Absolutely. We offer fully assembled skids integrating the evaporator, compressor, condenser, pumps, and control panel. This minimizes installation time and on-site piping. Customized layout according to your plant space is available. -
Q5: How do you handle scaling and fouling in the heat exchanger?
A: Our design incorporates forced circulation with high velocities (2-5 m/s) to reduce scaling. For severe scaling tendencies, we can add a draft tube baffle crystallizer or periodic chemical cleaning system. Optionally, an online anti-scaling device can be integrated. -
Q6: What certifications does your company hold?
A: We are certified under ISO9001:2015 (Quality Management), ISO14001 (Environment), and OHSAS18001 (Occupational Health & Safety). For food-grade applications, we also comply with HACCP and can provide materials of construction that meet FDA or EU standards. -
Q7: Can I send a sample for a lab-scale test?
A: Yes, we operate a testing center with a pilot MVR evaporator (0.5 T/h). We welcome customers to send 50-200 liters of their feed for a process demonstration and crystal characterization. The test report will include mass and energy balance. -
Q8: What is the typical delivery time?
A: For standard units ≤20 T/h, delivery is around 60-90 days after design approval. Larger or highly customized systems may require 120-150 days. We can expedite if needed.
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