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Qingdao Conqinphi Environmental Technology Group Co., Ltd. (established 2015) is proud to offer the Stainless Steel Vacuum Evaporation Crystallizer 10kW 400L/Day Salt Recovery System. This advanced solution is designed to efficiently recover salt from industrial wastewater, reducing disposal costs and environmental impact. With a factory spanning 10,000–30,000 m² and an annual export value of US$10–50 million, we combine precision engineering with global experience to deliver reliable, high-performance equipment.
Our vacuum evaporation crystallizer utilizes low-temperature vacuum evaporation technology to separate salts from liquids, achieving up to 95% recovery rate. The system is built with durable stainless steel (SS304/SS316L) to resist corrosion from aggressive brines. It is ideal for industries such as chemical processing, oil & gas, mining, and food processing, where zero liquid discharge (ZLD) and salt recovery are critical.
Key Features & Specifications
- Efficient Salt Recovery: Processes up to 400 liters of feed solution per day, recovering high-purity salt crystals.
- Energy-Efficient 10kW Design: Optimized heat pump and vacuum system reduce energy consumption by up to 30% compared to traditional evaporators.
- Corrosion-Resistant Construction: All wetted parts are made of stainless steel (SS304 standard, SS316L optional) to handle acidic or alkaline brines.
- Fully Automated Operation: PLC-based control with touch screen interface allows easy monitoring of temperature, pressure, and flow rate. Optional remote monitoring available.
- Compact Footprint: Skid-mounted design saves floor space and simplifies installation.
- Low Maintenance: Self-cleaning cycle and anti-scaling design reduce downtime.
- Environmental Compliance: Helps meet stringent discharge regulations and supports ZLD initiatives.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | CQ-VEC-400 |
| Evaporation Capacity | 400 L/day (at 20°C, 1 atm) |
| Power Consumption | 10 kW (max) |
| Operating Temperature | 40–80°C (adjustable) |
| Vacuum Level | -0.08 to -0.095 MPa |
| Material | Stainless Steel SS304 (SS316L optional) |
| Dimensions (L×W×H) | 2.5m × 1.2m × 2.0m (customizable) |
| Weight | Approx. 800 kg |
Advantages & Customer Benefits
- Reduce Operating Costs: By recovering salt for reuse, you cut raw material expenses and minimize waste disposal fees.
- Compliance with Environmental Regulations: Achieve ZLD and avoid penalties with our efficient evaporation and crystallization process.
- Long Service Life: Stainless steel construction and anti-scaling technology ensure durability even in harsh conditions.
- Easy Integration: The skid-mounted unit can be quickly connected to existing piping and electrical systems.
- Technical Support: Our team of 201–300 experienced engineers provides installation, training, and after-sales service worldwide.
As a manufacturer with over 8 years of expertise, Qingdao Conqinphi has shipped thousands of wastewater treatment systems to markets across North America, South America, Europe, Asia, Africa, and Oceania. Our factory holds certifications including ISO9001 and ISO14000, demonstrating our commitment to quality and environmental management. Every unit undergoes rigorous testing before shipment from Qingdao port.
Contact us today to discuss your salt recovery requirements. Our engineers will customize the system to match your specific feed composition, space constraints, and automation needs. With competitive pricing and reliable performance, the CQ-VEC-400 is your trusted partner for sustainable salt recovery.
Frequently Asked Questions
Q1: What types of salt solutions can this crystallizer handle?
A: It is suitable for most common brines, including sodium chloride, sodium sulfate, potassium chloride, and mixed salt solutions. For highly corrosive or specific compounds, we recommend a material upgrade to SS316L or a pilot test.
Q2: What is the energy consumption per liter of recovered salt?
A: The system consumes approximately 0.6–0.8 kWh per liter of evaporated water, depending on feed concentration and operating temperature. The 10kW power rating ensures efficient operation for 400 L/day capacity.
Q3: Does the system require any pre-treatment of the feed solution?
A: Basic filtration (e.g., 200 μm) is recommended to remove suspended solids. For high scaling potential, optional anti-scalant dosing or softening can be integrated.
Q4: What is the footprint and installation requirements?
A: The standard skid measures 2.5m × 1.2m × 2.0m. It needs a flat concrete floor, 380V/50Hz three-phase power supply, and a drain connection. Custom dimensions are available upon request.
Q5: How often is maintenance required?
A: Routine checks every 3 months are recommended, including cleaning of heat exchanger surfaces and vacuum pump oil change. The self-cleaning cycle reduces manual intervention.
Q6: Can the system be automated for unattended operation?
A: Yes, the PLC and touch screen control allow automatic start/stop, alarm notification, and data logging. Optional remote access via SCADA is available.
Q7: What is the typical salt purity achieved?
A: Under optimal conditions, salt purity can reach 98%–99% with minimal impurities. Additional washing or recrystallization stages can be added for higher purity requirements.
Q8: Do you offer pilot testing or rental units?
A: Yes, we provide on-site pilot testing services and short-term rental units to evaluate performance with your specific wastewater. Contact our sales team for details.
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