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Multi-Effect Vacuum Salt Making Evaporator for Industrial Chemicals and Seawater
Product Spotlights
Multi-Effect Vacuum Salt Making Evaporator – energy-saving design reduces steam consumption by 60%; vacuum operation lowers boiling point for gentle crystallization; corrosion-resistant SS304/316L construction handles seawater and industrial brine; customizable 3-6 effects with capacities 10-100 ton/day; automatic PLC control for consistent salt purity ≥99.3%. Trusted by 200+ installations worldwide.
US$ 1870 - 64800
MOQ: 1 Combo
Key Specifications
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Certification:
Other, ISO9001
Material:
SS304/SS316L (optional)
Capacity:
10-100 ton/day (customizable)
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao
Delivery Detail:
50 days
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Certification
Other, ISO9001
Material
SS304/SS316L (optional)
Capacity
10-100 ton/day (customizable)
Number of Effects
3-6 effects (optional)
Application
Seawater salt making, industrial chemical brine concentration
Model
CQ-MVE series
Heating Source
Steam or exhaust gas (optional)
Voltage
380V/440V/660V (as required)
Function
Energy saving, high recovery rate, anti-scaling
Trusted Manufacturer of Multi-Effect Vacuum Salt Making Evaporators
Qingdao Conqinphi Environmental Technology Group Co., Ltd., established in 2015, is a professional manufacturer specialized in industrial evaporation and salt making solutions. With a factory area spanning 10,000-30,000 square meters and over 200 experienced employees, we export high-performance equipment to 30+ countries including North America, Europe, and Southeast Asia. Our Multi-Effect Vacuum Salt Making Evaporator is engineered to efficiently produce high-purity salt from seawater or industrial chemical brine while significantly reducing energy consumption. Backed by certifications like ISO9001 and HACCP, this evaporator delivers reliable performance for demanding industrial applications.
Key Features & Technical Advantages
- Multi-Effect Evaporation Principle: Utilizes the vapor from one effect as heating medium for the next, achieving energy savings of up to 60% compared to single-effect systems.
- Vacuum Operation: Low boiling point under vacuum minimizes energy input and reduces scaling, extending equipment life.
- High Salt Recovery Rate: Designed for maximum crystallization efficiency, typically >95% salt yield from concentrated brine.
- Corrosion-Resistant Construction: Standard material SS304 or SS316L (optional) ensures durability when processing aggressive chemical solutions.
- Customizable Configuration: Number of effects (3 to 6), capacity (10-100 ton/day), and automation level (manual to fully PLC control) can be tailored to specific project requirements.
- Low Maintenance Design: Anti-scaling coating and easy-access cleaning ports reduce downtime and operational costs.
- Environmentally Friendly: Closed-loop system minimizes brine discharge and recovers condensation water for reuse.
| Parameter | Standard Range | Remarks |
| Operating Temperature | 40-90°C | Dependent on vacuum level and brine composition |
| Vacuum Degree | -0.08 to -0.095 MPa | Steam ejector or vacuum pump optional |
| Evaporation Capacity | 1-20 tons of water evaporation per hour | Adjustable via number of effects and heating area |
| Salt Purity (NaCl) | ≥99.3% | After proper washing and drying |
| Power Consumption | 15-45 kWh per ton of salt | Energy efficiency increases with more effects |
Benefits for Your Production
- Lower Operational Costs: Multi-effect design drastically reduces steam consumption, often providing payback within 12-18 months.
- Consistent Product Quality: Vacuum and temperature control ensure uniform crystal size and high purity, meeting food-grade or industrial standards.
- Flexibility: Handles feed brines with varying salinity (2%-28%) and can also process waste brine from desalination or chemical plants.
- Scalability: Modular design allows future expansion by adding more effects or parallel units without major redesign.
Why Choose Qingdao Conqinphi?
Our factory has delivered over 200 evaporation systems worldwide since 2015. With annual export value exceeding US$10 million and a dedicated R&D team, we provide end-to-end support from process design to installation commissioning. The Multi-Effect Vacuum Salt Making Evaporator has been certified under ISO9001, HACCP, and other international standards, ensuring compliance with strict quality requirements. Our service network covers major markets across six continents, with 24/7 technical support and spare parts availability. Contact us today to discuss your specific brine concentration or salt production needs—our engineers will provide a customized solution with a detailed payback analysis.
Frequently Asked Questions
-
Q: How does this evaporator achieve energy savings?
A: It uses the principle of multiple effects—the vapor produced in the first effect serves as heating steam for the second effect, and so on. This cascading reuse of thermal energy reduces overall steam consumption by 50-70% versus single-effect evaporators. -
Q: Can it handle high‑salinity seawater or industrial waste brine?
A: Yes, the system is designed for brine with NaCl concentration from 2% up to near saturation (approx 28%). For higher concentrations, a pre‑crystallizer or forced circulation loop can be integrated. -
Q: What materials of construction are available?
A: Standard is SS304; for corrosive brines containing chlorides or sulfates, SS316L, duplex stainless steel, or titanium are available as options. -
Q: How many effects are recommended for typical seawater salt making?
A: For standard seawater (3.5% salinity), a 3‑effect or 4‑effect configuration offers a good balance between capital cost and energy efficiency. We can provide a detailed simulation based on your feed conditions. -
Q: What is the typical salt purity and crystal size?
A: With proper operation, NaCl purity ≥99.3% can be achieved. Crystal size is adjustable between 0.2-1.5 mm by controlling the evaporation rate and residence time. -
Q: Are automatic controls available?
A: Yes, we offer PLC-based automation with HMI touch screen for monitoring temperature, pressure, flow, and density. Automatic salt discharge and cleaning cycles can be programmed. -
Q: What is the required maintenance frequency?
A: Routine inspection every 6 months is recommended. Cleaning of heat exchange surfaces may be needed every 3-12 months depending on scaling tendency. The anti-scaling coating reduces cleaning frequency. -
Q: Can the evaporator be integrated with existing waste heat sources?
A: Absolutely. The system can use low‑pressure steam (0.3-0.6 MPa) or even exhaust gas from a boiler or cogeneration plant. We can design a custom heat recovery scheme.
Send Inquiry to This Supplier
Miss scarlet
Sales
1Yr
Qingdao, Shandong, China
1Yr
Business Type
Manufacturer
Year Established
2015
Factory Size
10,000-30,000 square meters
Annual Export Value
US$10 Million - US$50 Million
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