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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, brings over two decades of manufacturing expertise to the production of advanced industrial equipment. Our High-Purity Salt Refining Equipment Automatic Electric Multi-Effect Vacuum Evaporator is designed to deliver exceptional purity and efficiency in salt processing operations. With an annual export value exceeding US$5 million and a global reach spanning North America, Europe, Asia, and beyond, we are committed to providing reliable, high-performance solutions for the salt industry. This evaporator leverages multi-effect vacuum technology to reduce energy consumption while maximizing output, making it an ideal choice for refineries seeking to enhance product quality and operational cost-effectiveness.
The unit is fully automatic, featuring an electric heating system that ensures precise temperature control and stable operation under vacuum conditions. Whether you are processing sea salt, rock salt, or brine, this equipment guarantees consistent high-purity results with minimal manual intervention. Below, we detail the key features, technical specifications, and benefits that set this evaporator apart.
Key Features
- Multi-Effect Vacuum Design: Utilizes 3 to 5 effects to recycle steam, reducing energy consumption by up to 60% compared to single-effect evaporators.
- Automatic PLC Control: Touch-screen interface with programmable logic controller for unattended operation, real-time monitoring, and data logging.
- High-Purity Output: Achieves salt purity of 99.5% or higher, meeting food-grade and industrial-grade standards.
- Corrosion-Resistant Materials: Constructed from SS304 or SS316L stainless steel, ensuring long service life even in highly corrosive brine environments.
- Electric Heating System: Clean, efficient electric heating with no combustion emissions, ideal for facilities with strict environmental regulations.
- Compact Footprint: Vertical design minimizes floor space, suitable for both new installations and retrofitting existing plants.
- Easy Maintenance: Modular construction allows quick access to heating tubes, separators, and condensers for cleaning and inspection.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | BL-SE-3 to BL-SE-5 (customizable) |
| Evaporation Capacity | 1,000 – 50,000 L/h |
| Feed Concentration | 5% – 25% NaCl |
| Final Product Purity | ≥99.5% |
| Operating Temperature | 50 – 120 °C (adjustable by vacuum level) |
| Vacuum Degree | -0.08 to -0.095 MPa |
| Power Supply | 380V/50Hz, 3-phase (or custom voltage) |
| Heating Method | Electric immersion heaters |
| Control System | Siemens/Omron PLC + HMI touch screen |
| Material | SS304 / SS316L (optional) |
Advantages & Customer Benefits
- Energy Savings: The multi-effect design recovers latent heat from vapor, reducing steam consumption per ton of salt produced. This directly lowers your operational costs.
- Enhanced Purity: Vacuum operation allows evaporation at lower temperatures, minimizing thermal decomposition and impurities carryover. The result is a high-purity salt suitable for pharmaceutical, food, and chemical applications.
- Fully Automatic Operation: The PLC-based automation reduces labor requirements and eliminates human error. Operators can monitor and adjust parameters from a central control room.
- Environmental Compliance: Electric heating produces no flue gas or emissions, helping your facility meet stringent environmental standards. Additionally, the closed-loop system minimizes wastewater discharge.
- Customizable Capacity: We offer multiple sizes and configurations to match your production volume. Whether you need a small pilot unit or a large industrial line, we can engineer the solution.
- Durable Construction: All wetted parts are made from high-grade stainless steel, resistant to chloride stress corrosion cracking. The equipment is built to last for decades with proper maintenance.
Trust & Commitment
As a manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory has exported to more than 15 countries and regions, including North America, South America, Europe, and Southeast Asia. Our annual export value of US$5–10 million reflects the trust global customers place in our products. We ship from major ports such as Tianjin, Qingdao, and Shanghai, ensuring timely delivery. Our team provides comprehensive after-sales support, including installation guidance, commissioning, and spare parts supply. We are confident that this high-purity salt refining evaporator will exceed your expectations. Contact us today to discuss your specific requirements and receive a tailored quotation.
Frequently Asked Questions (FAQ)
1. What is the maximum salt purity achievable with this evaporator?
Our system can achieve salt purity of 99.5% or higher, depending on the feed quality and operating parameters. For food-grade or pharmaceutical-grade requirements, we can adjust the process to meet your specification.
2. How does the multi-effect vacuum system save energy?
In a multi-effect evaporator, the vapor from one effect is used to heat the next effect. This reduces the total steam consumption by approximately 40–60% compared to a single-effect unit. The electric heating further eliminates boiler losses.
3. Can the equipment handle different types of salt (sea salt, rock salt, brine)?
Yes, the evaporator is designed to process various salt solutions. Pre-treatment (filtration, etc.) may be required for raw salt containing insoluble impurities. We can provide pre-treatment recommendations.
4. What is the expected lifespan of the evaporator?
With proper maintenance, the stainless steel construction ensures a service life of 15–20 years or more. Regular cleaning of heating surfaces and replacement of seals are the main maintenance tasks.
5. Do you offer customization for different capacities or voltage?
Absolutely. We can customize the evaporator capacity from 1,000 L/h to 50,000 L/h, and adapt the electrical system to your local voltage (e.g., 220V, 415V, 480V) and frequency (50/60 Hz).
6. Is the control system user-friendly for non-technical operators?
Yes, the HMI touch screen provides intuitive menus and real-time graphics. The PLC can be programmed with automatic start/stop sequences, alarm logs, and recipe management. Training is provided during commissioning.
7. What shipping ports do you use, and what about international delivery?
We ship from Tianjin, Qingdao, or Shanghai. The equipment is packed in export-worthy wooden crates with moisture-proofing. We can arrange sea freight, air freight, or express delivery as per your preference.
8. Do you provide installation and after-sales service?
Yes, we offer on-site installation supervision and commissioning by our engineers (travel expenses apply). We also provide remote technical support via video call and maintain a stock of common spare parts.
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