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Help CenterMulti-effect Evaporator for Chemical Wastewater Treatment, High Salinity Brine, Zero Liquid Discharge Solution
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Professional Multi-effect Evaporator for Chemical Wastewater Treatment, High Salinity Brine, and Zero Liquid Discharge Solutions
As a leading manufacturer based in Qingdao, China, Qingdao Conqinphi Environmental Technology Group Co., Ltd. has been dedicated to providing high-efficiency evaporation systems since 2015. Our multi-effect evaporator is specifically engineered to tackle the toughest industrial wastewater challenges, including high salinity brine and chemical effluents, while achieving true zero liquid discharge (ZLD). With a factory spanning over 10,000 square meters and a skilled team of 201-300 employees, we combine advanced manufacturing techniques with rigorous quality control to deliver reliable, energy-saving equipment that helps our clients reduce operating costs and meet stringent environmental regulations.
Our multi-effect evaporator operates on the principle of multiple evaporation stages, where vapor from one effect is used to heat the next, drastically reducing energy consumption compared to single-effect systems. This design is ideal for treating wastewater with high total dissolved solids (TDS), such as those from chemical plants, desulfurization processes, and textile dyeing. The system can handle varying feed concentrations and produces high-quality distilled water suitable for reuse, leaving behind a concentrated brine that can be further processed for salt recovery.
Key Features and Technical Specifications
- High Thermal Efficiency: Multiple effects reduce steam consumption by 50-80% compared to single-effect evaporators.
- Corrosion Resistance: Constructed with 316L stainless steel or titanium for handling aggressive chemicals and high chloride concentrations.
- Automatic Control: PLC-based system monitors temperature, pressure, flow rate, and liquid level for stable operation and minimal human intervention.
- Compact Footprint: Skid-mounted design saves installation space and simplifies on-site setup.
- Anti-scaling Design: Forced circulation or falling film configuration minimizes fouling and extends cleaning intervals.
- Flexible Configuration: Available in 2-effect, 3-effect, 4-effect, or custom configurations based on feed characteristics and capacity requirements.
- Zero Liquid Discharge (ZLD) Ready: Integrates seamlessly with crystallizers or spray dryers to achieve complete water recovery and zero effluent.
| Parameter | Typical Range |
|---|---|
| Evaporation capacity | 1 – 50 tons/hour |
| Feed TDS | Up to 250,000 mg/L |
| Evaporation temperature | 55 – 75°C (adjustable) |
| Steam consumption | 0.2 – 0.5 kg steam / kg water evaporated |
| Material of construction | 316L SS, 2205 Duplex, Titanium (optional) |
| Control mode | PLC + Touchscreen (remote monitoring available) |
Benefits to Your Operations
- Significant Operational Cost Reduction: Lower steam and electricity consumption directly cuts utility bills.
- Regulatory Compliance: Meet strict discharge standards and avoid fines.
- Water Reuse: Recover up to 98% of water as high-purity distillate for recycling.
- Waste Minimization: Concentrate waste volume by 5-10 times, reducing disposal costs.
- Salt Recovery Potential: Easily pair with downstream crystallization to produce marketable salts.
- Low Maintenance: Robust design and high-quality materials ensure long service life with minimal downtime.
Backed by our company's strong track record—annual export value exceeding US$10 million and a global presence across North America, Europe, Southeast Asia, Africa, and the Middle East—you can rely on Qingdao Conqinphi for expert engineering, timely delivery, and comprehensive after-sales support. Our quality management systems are certified under ISO9001, ISO14000, and OHSAS18001, reflecting our commitment to excellence in every product we deliver.
Choosing our multi-effect evaporator means partnering with a manufacturer that understands the complexities of industrial wastewater treatment. Whether you need a standard unit or a fully customized ZLD system, our team is ready to provide a tailored solution that meets your specific requirements. Contact us today to discuss your project and discover how our evaporation technology can turn your wastewater challenge into a sustainable resource opportunity.
Frequently Asked Questions (FAQ)
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What types of wastewater can this evaporator handle?
It is designed for high salinity brine, chemical wastewater, industrial effluents with high TDS, and zero liquid discharge applications. It can also treat wastewater from desulfurization, textile, pharmaceutical, and food processing industries. -
How does multi-effect evaporation reduce energy consumption?
By using the vapor from one effect as the heating medium for the next effect, the system recovers thermal energy multiple times, achieving steam consumption as low as 0.2 kg steam per kg of water evaporated. -
What is the typical payback period?
Payback depends on feed characteristics and local utility costs, but many clients see a return on investment within 1–3 years due to water reuse and energy savings. -
Can the system handle scaling or fouling?
Yes, we offer forced circulation and falling film configurations that minimize scaling. Optional anti-scalant dosing and regular cleaning protocols are recommended for high-hardness feeds. -
What materials are available for corrosive environments?
Standard materials include 316L stainless steel. For highly corrosive brines (e.g., high chloride), we offer 2205 duplex stainless steel, titanium, or other alloys upon request. -
Do you provide installation and commissioning support?
Yes, we offer on-site supervision for installation, startup, and training. Remote support via video call is also available. -
What certifications does your company hold?
We are certified under ISO9001, ISO14000, OHSAS18001, and other quality management systems. Our products comply with international standards for pressure vessels and safety. -
Can this evaporator be integrated into an existing ZLD system?
Absolutely. Our evaporator is designed to work as part of a complete ZLD train, either as a stand-alone unit or coupled with crystallizers, membrane concentrators, or spray dryers.
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