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As a leading manufacturer with over 8 years of expertise in environmental technology, Qingdao Conqinphi Environmental Technology Group is proud to introduce our advanced Low Energy Consumption MVR Evaporator. Designed specifically for efficient salt production, this system represents our commitment to providing sustainable and cost-effective industrial solutions. By leveraging innovative Mechanical Vapor Recompression technology, we deliver a robust evaporator that significantly reduces operational costs while ensuring high-purity output, making it an ideal choice for salt manufacturers aiming to enhance productivity and environmental compliance.
Our MVR Evaporator is engineered to transform your salt production process. The core principle involves reusing the latent heat of vaporization, which drastically cuts steam and cooling water requirements compared to traditional multi-effect evaporators.
- Superior Energy Efficiency: The MVR system compresses the evaporated vapor, raising its temperature and pressure, and then recycles it as the heating source. This closed-loop design can reduce energy consumption by up to 90% compared to conventional thermal evaporation.
- Fully Automatic Operation: Integrated with a sophisticated PLC and touch-screen HMI, the system manages all parameters—temperature, pressure, flow rate, and concentration—automatically, ensuring consistent product quality and minimizing manual intervention.
- High-Quality Salt Output: The precise temperature control and optimized evaporation process prevent scaling and corrosion effectively, resulting in high-purity salt crystals with uniform size and low moisture content.
- Robust Construction: Critical components are constructed from corrosion-resistant materials like stainless steel 316L or duplex steel, chosen based on feed brine characteristics, ensuring long service life even in harsh conditions.
- Compact & Modular Design: Our skid-mounted design allows for easier transportation, faster installation, and scalability. Additional modules can be integrated to increase capacity as your business grows.
- Versatile Application: While optimized for salt production from seawater, brine, or salt lake resources, this system is also highly effective for zero-liquid discharge (ZLD) projects, wastewater concentration, and chemical processing.
Below is a summary of key technical specifications and configurations available:
| Model Series | CONQ-MVR-S Series (Standard), CONQ-MVR-H Series (High-Capacity) |
| Evaporation Capacity | From 1 ton/hour to 50 tons/hour (water evaporation), customizable |
| Energy Consumption | Typical range: 20-40 kWh per ton of evaporated water |
| Operation Pressure | Vacuum operation (adjustable), typically 0.85-0.95 bar(a) |
| Heat Transfer Area | Custom-designed based on feed concentration and required output |
| Compressor Type | Centrifugal or Roots blower, selected for optimal efficiency |
| Control System | PLC with Siemens/Allen-Bradley components, HMI, remote access optional |
| Main Materials | SS304, SS316, SS316L, Titanium, Duplex Steel (optional) |
The benefits for your salt production facility are substantial. By adopting our MVR evaporator, you achieve dramatically lower operating costs due to minimal steam and cooling water needs. The fully automated control enhances operational safety, reduces labor costs, and guarantees batch-to-batch consistency. Furthermore, the system's high thermal efficiency allows for a smaller physical footprint and faster payback periods. It supports sustainable production goals by minimizing wastewater and maximizing resource recovery.
Trust in Qingdao Conqinphi Environmental Technology is built on a solid foundation. Operating from a 10,000-30,000 square meter manufacturing facility in Qingdao and backed by a dedicated team of 201-300 professionals, we have the capacity and expertise to deliver reliable large-scale projects. Our commitment to quality is demonstrated by adherence to ISO9001, ISO14001, and OHSAS18001 management systems. With an annual export value ranging from US$10 to US$50 million, our equipment serves clients across North America, South America, Europe, Asia, Africa, and Oceania, proving its global reliability. Choosing our Low Energy Consumption MVR Evaporator means partnering with an established manufacturer for a solution that delivers enduring performance, operational savings, and a cleaner production process. Contact us today to discuss how we can customize a system to meet your specific salt production targets.
Frequently Asked Questions (FAQ)
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Q: How does an MVR evaporator achieve such low energy consumption?
A: It uses a mechanical compressor to recompress the vapor generated during evaporation. This raises the vapor's temperature, allowing it to be reused as the heating medium. This recycling of latent heat drastically reduces the need for fresh steam, which is the primary energy consumer in traditional evaporators. -
Q: Is the system truly fully automatic? What level of operator attention is required?
A: Yes. Once the initial parameters are set on the PLC-controlled HMI, the system automatically regulates all critical processes—feeding, heating, compression, crystallization, and discharge. Operators primarily monitor the system via the interface, with alarms for any deviations, requiring minimal manual intervention. -
Q: Can this evaporator handle different sources of brine, such as seawater or salt lake brine?
A> Absolutely. The system design is highly adaptable. We customize material selection (e.g., higher-grade stainless steel or titanium for corrosive brines) and pre-treatment steps based on your specific feed analysis to ensure optimal performance and longevity. -
Q: What is the typical payback period for investing in an MVR system compared to a traditional evaporator?
A: While the initial investment can be higher, the dramatic reduction in energy and water costs typically leads to a payback period of 1 to 3 years, depending on local utility prices and plant operation scale. The long-term savings are significant. -
Q: How do you manage scaling and fouling inside the evaporator, which is common in salt production?
A> Our design incorporates several anti-scaling strategies: optimal temperature difference control, forced-circulation design to prevent localized supersaturation, and optional CIP (Cleaning-in-Place) systems. Material choices also resist scaling adhesion. -
Q: Do you provide installation support and after-sales service?
A> Yes. We offer comprehensive services including detailed layout design, installation supervision, operator training, and a reliable after-sales network. Remote diagnostic support is also available for quick troubleshooting. -
Q: Can the system be integrated with our existing crystallization or drying units?
A> Certainly. Our MVR evaporators are designed as modular units. We can engineer the interface (piping, controls, etc.) to seamlessly connect with your downstream equipment for a complete, integrated production line. -
Q: What is the expected lifespan of the key components, like the compressor?
A> With proper maintenance as per our guidelines, the core components, including the compressor and heat exchanger, are designed for a service life exceeding 15 years. We use reputable international brands for critical mechanical parts to ensure durability.
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