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Qingdao Conqinphi Environmental Technology Group Co., Ltd. proudly presents our advanced PLC Controlled MVR Evaporation and Crystallization System, specifically engineered for lithium extraction processes. Manufactured from high-quality 304 stainless steel, this system integrates mechanical vapor recompression (MVR) technology with precise PLC control to deliver exceptional energy efficiency and product purity. With over 8 years of manufacturing experience and a factory spanning 10,000-30,000 square meters, we ensure every unit meets rigorous quality standards. Our system is designed to reduce operational costs while maximizing recovery rates, making it an ideal solution for lithium brine processing and battery material production.
The MVR evaporation and crystallization process is a key step in lithium extraction, where concentrated lithium solutions are converted into solid crystals. Our system uses a mechanical compressor to recycle vapor energy, cutting energy consumption by up to 70% compared to traditional evaporators. The integrated PLC controller allows for real-time monitoring and adjustment of parameters such as temperature, pressure, and flow rate, ensuring consistent product quality. The 304SS construction offers excellent corrosion resistance and durability, suitable for harsh chemical environments.
Key Features & Technical Specifications
- Energy Efficiency: MVR technology reuses latent heat, reducing steam consumption by up to 70%.
- PLC Control: Fully automatic operation with touch-screen interface, allowing remote monitoring and data logging.
- High Purity Crystals: Precise crystallization control yields uniform particle size and high purity (≥99.5%).
- 304 Stainless Steel: Corrosion-resistant for lithium chloride, sulfuric acid, and other aggressive media.
- Modular Design: Easy to expand or customize capacity from 500 L/h to 5000 L/h.
- Low Maintenance: Self-cleaning options and robust compressor design reduce downtime.
- Compliance: Manufactured under ISO9001, ISO14001, OHSAS18001 certified facility.
| Parameter | Value |
| Evaporation Capacity | 500-5000 L/h (customizable) |
| Operating Temperature | 60-100°C |
| Compressor Type | Centrifugal / Roots (optional) |
| Material of Construction | 304 Stainless Steel |
| Power Supply | 380V/50Hz, 3-phase (customizable) |
| Control System | PLC + HMI Touch Screen |
| Crystal Size Range | 0.1-2 mm (adjustable) |
Our system is designed for continuous operation with minimal human intervention. The PLC control includes automatic start/stop, alarm management, and data trending. Operators can adjust setpoints remotely via Ethernet or 4G modules. The 304SS evaporator body is equipped with inspection ports and cleaning nozzles for easy maintenance. For lithium extraction, the system can handle feed concentrations ranging from 2% to 20% LiCl, achieving final slurry with 40-50% solids.
Compared to traditional multi-effect evaporators, MVR technology reduces energy costs by 50-70% and water consumption by 30%. The crystallization section uses a forced circulation draft tube baffle (DTB) design to ensure uniform crystal growth, preventing scaling and fouling. This results in higher product quality and longer equipment life.
Trust & Reliability
Qingdao Conqinphi Environmental Technology Group Co., Ltd. has been a trusted manufacturer since 2015, with an annual export value of US$10-50 million. Our products are shipped to over 30 countries across North America, South America, Europe, Asia, Africa, and Oceania. We hold multiple certifications including ISO9001, ISO14001, OHSAS18001, HACCP, SA8000, and others, ensuring compliance with international quality and safety standards. Our team of 201-300 employees includes experienced engineers who provide turnkey solutions from design to installation.
We offer comprehensive after-sales support including on-site commissioning, training, and remote diagnostics. All systems come with a 1-year warranty and optional extended service contracts. Our R&D department continuously improves the MVR technology to adapt to evolving lithium extraction needs. Contact us today for a personalized proposal and let us help you achieve higher recovery rates and lower operating costs.
Frequently Asked Questions (FAQ)
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Q: What is the typical payback period for this MVR system?
A: Depending on energy costs and throughput, most customers achieve payback within 12-24 months due to reduced steam consumption. -
Q: Can the system handle feed with high impurity levels?
A: Yes, the 304SS construction and optional pre-filtration allow processing of brines with up to 5% total suspended solids. For higher impurities, we recommend upstream pretreatment. -
Q: What is the required floor space for installation?
A: A standard 1000 L/h unit occupies approximately 8m x 6m. Custom layouts are available for space-constrained sites. -
Q: Do you provide training for operators?
A: Yes, we offer on-site training for 2-3 operators for 5 working days, plus a detailed manual and video tutorials. -
Q: What maintenance is required?
A: Routine checks include compressor oil levels, seal inspections, and cleaning of heat exchanger surfaces every 2-3 months. We provide a maintenance schedule. -
Q: Is the system suitable for lithium carbonate or lithium hydroxide production?
A: Yes, the system is compatible with both lithium chloride and lithium sulfate feeds. For lithium carbonate, additional reaction steps may be needed upstream. -
Q: What warranty terms do you offer?
A: Standard warranty is 12 months from commissioning. Extended warranties up to 3 years are available upon request. -
Q: Can the PLC system be integrated with existing plant DCS?
A: Yes, our PLC supports Modbus TCP/IP, Profibus, and OPC UA protocols for seamless integration.
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